Patent Application
20240344282
This invention relates to a crowd control barrier system and to the component parts of that system.
Crowd control barriers are regularly used by retailers, entertainment venues, hospitals and other establishments to direct the public. Some of their common uses include marking queuing areas, directing the public in a particular direction, demarcating the limits of a property (eg the outdoor area of a restaurant) and encouraging social distancing.
Existing crowd control barriers are often heavy, cumbersome and expensive. Tensabarrier™ manufacture and supply a system comprising a series of posts which are connectable together in the desired pattern by a retractable webbing barrier tape which extends from a cassette fixed to the top of one pole, and connects to a second cassette fixed to the top of an adjacent pole. The prohibitive cost of these systems means that most establishments use a single colour or design of webbing for all eventualities.
Plastic and metal crowd control barriers are also known in the art, and an example of a metal crowd control barrier of this type is shown in
Crowd control barriers are required for use in many different environments, including indoor and outdoor, and on hard and soft surfaces. Barriers intended for use outdoors must be able to withstand variations in weather, including precipitation and gusts of wind, without damage or collapse. In addition, t is often desirable to place a crowd control barrier on a soft surface, for example outside cafes located in parks, at race village and at music festivals. Existing crowd control barriers are often unstable when used on soft surfaces, causing a health and safety hazard.
There is thus a need for a cost-effective, easily portable crowd control barrier system, which is adaptable to different situations, and which is quick to put up and take down.
There is now provided an improved crowd control barrier system, which overcomes and/or substantially mitigates the above mentioned and/or other problems associated with the prior art.
According to a first aspect of the invention there is provided a crowd control barrier system comprising a crowd control barrier and first and second crowd control barrier posts, the crowd control barrier comprising a first side edge and a second side edge, the first side edge and second side edge being affixed, in use, to the first and second crowd control barrier posts respectively, the crowd control barrier comprising a single piece of knitted fabric and having releasable attachment means for releasably attaching the crowd control barrier to the first and second crowd control barrier posts.
Crowd control barrier systems are used in many different environments and for a variety of purposes, including both indoors and outdoors, on hard surfaces (eg concrete) and on soft surfaces (eg grass), in different weathers, to denote queuing areas or to mark out a territory, and/or to display promotional material. A system comprising a single barrier, post and base cannot be optimised for use in all the different environments in which it may be used. However, the crowd control barrier, crowd control barrier posts and bases described herein form a modular system, in which different parts may be interchanged depending on the needs of the user, or on the user's changing needs through the day or over time. Alternative bases eg having different weights or being suitable for use on different terrain, may be interchanged with posts eg of different heights and barriers eg bearing different branding and/or promotional information and/or a QR code. This system allows the crowd control barrier system to be tailored for the needs of each user. This means that a user does not have to simply make do with an off the shelf product, which may not be ideal for their situation, but can benefit from having that combination of features which best suit their circumstances.
The crowd control barrier system of the invention may further comprise first and second bases, the first and second crowd control barrier posts being connected, in use, to the first and second bases respectively, the first and second crowd control barrier posts comprising an elongate post and having releasable attachment means for releasably attaching the first and second crowd control barrier posts to the first and second bases.
The crowd control barrier system of the invention may further comprise a tubular post cover formed of a single piece of knitted fabric, which covers the post and which may display branding or indicia. The tubular post cover may be formed of a unitary, folded piece of knitted fabric in which two opposing edges are bonded together eg by sonic welding.
The different parts of the crowd control barrier system will now be described in more detail.
The crowd control barrier for use with the crowd control barrier system is produced from a single piece of fabric, which is subsequently folded and bonded or stitched into the desired form. This enables its production to be automated, allowing for fast and relatively cheap production. The barrier may also carry branding or other promotional information and can be personalised to the needs of the end user. Due to the use of a single, linear piece of fabric in the manufacture of the crowd control barrier according to this invention, there is minimal waste from offcuts of fabric during production.
The cost-effective, light weight of the crowd control barrier, and its releasable connection to the crowd control barrier posts, is further advantageous as it enables an establishment or venue to regularly change the barriers on display, to show different information and/or advertisements printed thereon.
It is believed that this type of crowd control barrier is new, and according to a further aspect of the invention there is thus provided a crowd control barrier comprising a first side edge and a second side edge, the first side edge and second side edge being affixed, in use, to first and second crowd control barrier posts respectively, the crowd control barrier comprising a single piece of knitted fabric and having releasable attachment means for releasably attaching the crowd control barrier to the first and second crowd control barrier posts.
The attachment means may be any suitable means known in the art, and include ties for tying the banner to the post, eyelets for engagement with hooks on the first and second crowd control barrier posts, a loop of elastic or cord which may be looped around each of the first and second crowd control barrier posts, clips and/or a hook and loop fastening. The attachment means may alternatively comprise a ball and socket fastening, wherein a ball fitting on or affixed to the barrier member is inserted into a slotted aperture provided on the post, and moved along the aperture to a position where it cannot readily be removed. The attachment means may particularly include supporting means housed within a channel running along the top edge of the crowd control barrier. The supporting means may be releasably connectable to the first and second crowd control barrier posts.
A loop on the crowd control barrier (eg in each corner of the crowd control barrier) may also be used where it is desirable to retrofit the crowd control barrier described herein to an existing crowd control barrier system. The loops of cord or elastic may be placed about the existing crowd control barrier post to retain the crowd control banner in place.
Edges of the crowd control barrier may be finished by sonic welding, or by hemming. For example, the top edge, and/or the bottom edge, and/or the first and second side edges of the crowd control barrier may be folded over and hemmed.
According to a further aspect of the invention there is therefore provided a crowd control barrier comprising a first side edge and a second side edge, the first side edge and second side edge being releasably affixed, in use, to first and second crowd control barrier posts respectively, the crowd control barrier comprising a single piece of knitted fabric, and having a channel extending along its top edge, the channel, in use, housing supporting means.
The crowd control barrier described above in any relevant aspect of the invention, and which may be used in conjunction with the crowd control barrier system of the invention, is formed from a knitted fabric. By “knitted fabric” is meant a fabric produced by the process of knitting, and formed of the inter-looping of yarns or the inter-meshing of loops. Knitted fabric is thus distinct from woven fabric, in which straight threads run in parallel lines horizontally and vertically across the fabric. In contrast to woven fabric, knitted fabric has greater stretch and recoil, although this can be controlled to some extent by the choice of knitting pattern, yarn type and finish, and finishing agents applied to the fabric. It has been found that a knitted fabric having a weight of from 80-150 gsm, or of from 100-150 gsm, or of from 125-145 gm is particularly suitable for use in the present invention.
It is desirable that the knitted fabric used in the present invention is lightweight, to allow the crowd control barrier to be easily moved, assembled, dismantled and changed by the end user.
Fabric having a knitted structure is inherently stretchy due to its construction, and may stretch up to 25%, or up to 50%, or up to 75% or more. It typically has greater stretch horizontally, in the weft direction, than vertically, in the warp direction. The fabric in the crowd control barrier may be orientated such that the weft runs vertically, e.g. in the longitudinal direction of the barrier posts, and the warp runs horizontally, e.g. laterally between the barrier posts. This use of the knitted fabric rotated at 90° to its normal use ensures that the greatest stretch in the fabric is used to accommodate the wind, enabling the crowd control barrier to move and flex in the wind, reducing the chance of it being blown over. To facilitate this further, the crowd control barrier may be elasticated along its bottom edge, to allow movement in the wind but prevent the barrier from flapping. The crowd control barrier may alternatively or additionally be elasticated along its side edges, to allow movement in the wind.
The crowd control barrier according to the invention typically has a substantially rectangular shape, with the long edges of the rectangle representing the top and bottom edges of the crowd control barrier. The crowd control barrier may have a channel extending along its top edge which, in use, houses a supporting means, to prevent the barrier from drooping. The supporting means may form an integral part of the crowd control banner, may be a separate unit, or may form part of the first and/or second crowd control barrier posts.
The supporting means may comprise an elongate member, and may be an elastic or non-elastic elongate member. The elongate member may extend through the channel, and may protrude out of each end of the channel. The crowd control barrier may be supplied with the elongate member in the channel, or the elongate member may be inserted through the channel by the end user prior to connection of the barrier means to the first and second posts. The crowd control barrier may alternatively be draped over the supporting means post-manufacture, and secured thereto by means of clips, studs, eyelets, sonic welding, stitching, or other suitable fastening.
Where the elongate member protrudes from each end of the channel, the elongate member may comprise means for releasable attachment to the first and second posts. Each end of the elongate member may comprise a loop which may be placed over and around the first and second posts, or over a hook or clip affixed to or integrally formed with the first and second posts; said loop may be adjustable such that it can be tightened about the first and second posts to prevent undue movement or slipping of the crowd control barrier. Each end of the elongate member may comprise a cap or lid configured to be placed over the top of each of the first and second posts, which may be connected to the first and second posts by any suitable means, eg by a clip fitting or by a friction fit. Each end of the elongate member may comprise a releasable clip (eg a carabiner or spring loaded clip) and, optionally, clip attachment means (eg a ring or loop), such that the elongate member may be looped around the post and secured to itself or to the clip attachment means by means of the clip. Each end of the elongate member may comprise a ball fitting, for engagement with a slotted aperture on or affixed to the crowd control barrier post. The ball fitting may be inserted into the slotted aperture and moved to a position from which it cannot readily be removed. The slotted aperture may have a wider portion and a narrower portion, the wider portion being sufficiently wide to allow the ball to pass through, and the narrower portion being sufficiently narrow that the ball cannot pass through. Each end of the elongate member may comprise any other suitable attachment means for releasable connection to the first and second crowd control barrier posts. Thus, the two corners at either end of the upper edge of the crowd control barrier may be affixed to the first and second crowd control barrier posts via the supporting means.
Where the crowd control barrier is supplied with the elongate member already in the channel, the elongate member may be secured to the crowd control barrier to prevent it sliding out. The elongate member may be bonded to the crowd control barrier at one or more points along its length. The elongate member may be bonded to the crowd control barrier at a point near each end of the channel, eg a point within 20 cm, or within 15 cm, or within 10 cm of each end of the channel. The elongate member may be bonded to the crowd control barrier by any suitable means, including adhesive, stitching, tying and sonic welding.
The elongate member may comprise an elastic elongate member. The length of the portion of the elastic elongate member which is contained within the channel may be up to 20%, or up to 10%, or up to 5%, or up to 2% shorter than the length of the channel so that, when the barrier is extended between the first and second posts, the elastic is stretched and is thus held under tension, providing greater support to the crowd control barrier. Alternatively, the length of the portion of the elastic elongate member which is contained within the channel may correspond to the length of the channel.
The elongate member may comprise a non-elastic elongate member, such as a rope, or string, or cord, or line (eg a washing line), or rigid rod or bar, which is threaded through the channel. Where the supporting means comprises a rigid rod or bar, the rigid rod or bar may comprise two sections releasably connected together, eg via a male/female connector.
The supporting means may alternatively comprise an existing crowd control system, such as the Tensabarrier™ system. In this embodiment, the retractable barrier tape of the Tensabarrier™ (or similar) system may be fed through the channel in the crowd control barrier before being connected to the second post.
The channel may be formed by a hem or fold in the fabric, in which the fabric is folded back on itself and sealed in a horizontal line running parallel to the fold. It may be sealed by any suitable means, for example stitching or sonic welding. The sealing line is separated from the top edge by a suitable distance to permit supporting means to be housed therein. The depth of the channel (the distance between the folded edge and the sealing line) may vary depending on the supporting means to be used, but may typically be from 10 mm to 150 mm, or from 20 mm to 130 mm.
The top edge may additionally be reinforced by a line of stitching or sonic welding close to the folded edge, eg 0-10 mm from the folded edge, or 0-6 mm, or 2-5 mm from the folded edge, or about 3 mm from the folded edge. This helps to retain the appearance of the crowd control barrier. The line of sonic welding may have a width of between 2 and 5 mm, or of about 3 mm.
The crowd control barrier may be further fixed to the crowd control barrier post at its lower edge, eg at its two lower corners, by any suitable attachment means. Lengths of cord or elastic may be fixed to the lower edge and/or lower corners of the crowd control barrier to allow them to be fixed to the crowd control barrier post. Lengths of cord or elastic may be bonded to the crowd control barrier, or tied through apertures or eyelets inserted into the crowd control barrier. The cord or elastic may incorporate or be connected to a spring, such that a spring is located between the crowd control barrier and the crowd control barrier post, to permit movement of the barrier in the wind. The cord or elastic may by tied to the barrier post, or connected to an attachment point on the crowd control barrier post by a clip or other suitable means.
Alternatively, eyelets or apertures in the crowd control barrier may be directly connected to a hook or clip on the crowd control barrier post. Alternatively, a second channel may be formed along the lower edge of the crowd control barrier in the same manner as previously described, to house a second supporting member, the second supporting member being releasably attached, at each end, to the first and second crowd control barrier posts by any of the methods described in relation to the supporting member.
The crowd control barrier may extend/wrap around either or both crowd control barrier posts. The crowd control barrier may define one or more further channel(s) arranged to receive a crowd control post. The one or more further channel(s) may extend in a substantially perpendicular direction to the channel. The further channel(s) may be provided along either/both lateral edge of the crowd control barrier. The further channel(s) may be formed in any of the ways described herein in relation to the channel, and may form the releasable attachment means. The crowd control barrier may thus define an integral post cover. Any features of the post cover described herein may be applied to the crowd control barrier, ie as post cover portions or ends of the crowd control barrier.
Indicia printed on the crowd control barrier may extend around the crowd control post. Additionally or alternatively, separate indicia may be printed on the portion of the fabric that wraps around the post, e.g. on the fabric section(s) forming further channel(s). Different indicia/messages may be printed on portions of the fabric arranged to be on different sides of the post.
The crowd control barrier may further comprise a plurality of apertures, to permit the passage of wind and reduce/prevent overbalancing of the barrier in the wind. The plurality of apertures may be randomly sited, or may comprise a regular array. The plurality of apertures may be located about at least a portion of the circumference of the crowd control barrier eg a series of apertures may be positioned along each side edge of the crowd control barrier, and/or along the top and bottom edges. Apertures may be located in clusters at unobtrusive locations across the crowd control barrier, for example in one or more corners, or along one or more edges. The apertures may be small, and may be less than 5 mm, or less than 2 mm in diameter, for example from 1 mm to 5 mm in diameter. Each aperture may be any appropriate shape, for example circular, ovaline, square, rectangular, crescent or polygonal. The apertures may alternatively comprise a flap of fabric, eg a “U” shaped, “V” shaped or crescent shaped flap of fabric, which opens in the wind to allow the wind to pass through, but is otherwise not visible, such that the surface of the fabric (and any design printed thereon) remains undisturbed when the flaps are closed. The apertures may be formed during the knitting process, or be cut into the fabric (eg using sonic welding pattern rollers) post-knitting. The use of an array of apertures, rather than a fabric which has an overall mesh structure, enables the retention of some solid areas of fabric. This provides both a base for the presentation of information and/or promotional material and/or a QR code, and increases the overall visual impact of the barrier. In addition, the combination of an array of apertures with a knitted fabric which has inherent stretch means that, in high winds, the fabric forming the crowd control barrier can both flex and move in the wind, and permit the passage of even sudden gusts of wind through the apertures, while returning to its original configuration when the wind dissipates. These features combined means that the barrier can remain standing even in high winds, whilst retaining its visual appearance.
The height of the crowd control barrier varies depending on the position and any desired branding and/or information to be displayed on it. The height of the crowd control barrier may be between 100 mm and 1000 mm, may be between 10 mm and 700 mm, or may be between 150 mm and 650 mm. The height of the crowd control barrier may be at least 150 mm, and/or may be up to 700 mm. While the height of a crowd control barrier post is typically around 1000 mm, it is advantageous for the height of the crowd control barrier to be less than this such that it does not contact the floor, in order to prevent it becoming dirty and presenting an unkempt appearance. Where the barrier is to be positioned close to the public, eg where it is marking a queuing area, it may be advantageous for the height of the barrier to be less, as it is difficult for those standing close by to see any information printed on the barrier which is too close to the ground. However, where the public is likely to be at a greater distance, the use of a greater height provides a greater printing area for the display of branding and/or other information.
The crowd control barrier may be printed with instructions, a picture, a graphic design, advertising, branding and/or other information. The crowd control barrier may be printed with any suitable means known in the art, including rotary printing, screen printing and digital printing. Digital printing may be particularly suitable for short print runs, while rotary or screen printing may be particularly suitable for larger print runs.
The crowd control barrier may be printed using digital printing. Digital printing enables high quality, multi-colour images to be applied. Digital printing also permits short print runs enabling small quantities, or even individual crowd control barriers to be produced to a specific specification (eg for a small venue or café, bearing their name/logo). By using in-line digital printing processes, the printed material applied to the crowd control barrier may be easily varied, facilitating the economical manufacture of the crowd control barriers, even in small scale production runs.
However, digital printing may be visible on the reverse side of a lightweight knitted fabric such as that used in the present invention creating an undesirable visual effect. Printing on both sides of a single sheet of knitted fabric involves further manufacturing processes, and is therefore undesirable. Where a crowd control barrier having printing on both sides is desired, therefore, the crowd control barrier may comprise a single piece of fabric which has been folded in two, to form a crowd control barrier having two layers of fabric. The fold is positioned along the top edge of the crowd control barrier, and the channel may be formed by sealing a horizontal line along the length of the crowd control barrier, parallel to the fold, between 10 mm and 150 mm away from the fold. In this way, a channel is created to house the supporting means. As the outer face of both sides of the crowd control barrier is formed from the same side of the original piece of fabric, a double-sided crowd control barrier may be formed in which the fabric has only been printed on one side. This reduces manufacturing costs.
The crowd control barrier described herein is particularly advantageous as the use of a lightweight knitted fabric reduces the weight burden on the posts, meaning that a greater length of fabric (and hence a greater length of banner) can be held by the posts without falling. The use of air holes within the fabric, as described above, further enables a longer length of banner to be accommodated, by reducing the risk of the crowd control barrier system being overbalanced by gusts of wind. Increasing the length of a crowd control barrier from the typical 1-1.2 m to the 2 m achievable with the present invention reduces the number of posts required, and so reduces the cost of installing the system for the end user. It also reduces the number of individual barriers to be produces, so reducing manufacturing costs.
Additional features to enhance the appearance of the crowd control barrier may be added, such as LED or solar powered lighting. LEDs and/or solar powered lighting could be incorporated into the fabric through the inclusion of conductive yarns and lighting patterns embedded into the knitted fabric itself, thus keeping manufacturing costs low.
The two sides of the double-sided crowd control barrier may have the same or different heights. That is, the fold which created the double-sided crowd control barrier may be in the centre of the piece of fabric, or may not be in the centre of the piece of fabric. The height of each side of the double-sided crowd control barrier may independently be between 100 mm and 1000 mm, between 100 mm and 700 mm, or between 150 mm and 650 mm. The height of each side of the double-sided crowd control barrier may independently be at least 150 mm, and/or may be up to 700 mm. Thus, the height of each side of the double-sided crowd control barrier may independently be about 150 mm, or about 200 mm, or about 250 mm, or about 300 mm, or about 400 mm, or about 500 mm, or about 600 mm. One or both sides of the double-sided crowd control barrier may be digitally printed, without the print being visible on the other side of the barrier. A double-sided crowd control barrier may have a height on one side of 150 mm, and a height on the other side of 600 mm, or a height on one side of 300 mm, and a height on the other side of 600 mm.
The two sides of the crowd control barrier may be sealed together. For example, they may be sealed together along the first and/or second side edges, and/or they may be sealed together along their bottom edge. They may be sealed together by any suitable means, including sonic welding and stitching.
The two sides of the double-sided crowd control barrier may be spaced apart from one another, creating a void between the two sides. This reduces the risk that indicia printed on one side of the double-sided barrier will be visible from the other side of the barrier. While the spacing between the two sides may vary, and they may necessarily be closer together near the top of the barrier where the two sides are connected, the maximum spacing between the two sides of the double-sided crowd control barrier may be between 2 and 10 cm, or between 4 and 8 cm, or about 6 cm. Thus, at one or more points on the crowd control barrier, the two sides of the barrier may be held between 2 and 10 cm apart, or between 4 and 8 cm apart, or about 6 cm apart. The crowd control barrier may protrude equally from each side of the pole, or the entire spacing may be accommodated by a single side of the banner, such that only one side of the banner protrudes while the other retains it original, substantially vertical, position. The two sides may be held apart by spacers, which may be metal, or plastic, or fabric. The spacers may be located at each side of the fabric, or may be positioned between the two layers of fabric. For example, one or more horizontal ribs of stiffened fabric may extend along at least a portion of the width or height of the crowd control barrier member, to retain a set spacing between the two layers.
Alternatively, two lengths of cord or elastic which are spaced by the desired distance, or a loop of elastic in which two sides of the loop are spaced apart from each other by the desired distance, may extend between adjacent crowd control barrier posts at one or more locations. When the crowd control barrier is placed over this structure, with the lengths of cord or elastic, or loop of elastic, extending between the two layers of the double-sided barrier, the two layers are held apart at the desired distance. The cord or elastic may be affixed to each post by means of a clip or spring bracket.
Alternatively, a clip may be provided on the crowd control barrier post having two arms, the distal ends of the two arms being spaced the desired distance apart. The distal ends of the arms each carry a hook or other attachment means, for engagement with eyelets or other attachment means on the crowd control barrier. Thus, the clip holds the crowd control barrier apart by the desired distance.
Where the barrier is to be positioned close to the public, and the height of the barrier is shorter, it may be advantageous for the lower edge of the crowd control barrier to be angled outwardly at up to 90°, or up to 50°, or up to 30°, or up to 20°, or up to 10° relative to the crowd control barrier post to make it easier for the public to read any information printed thereon. This angle may be achieved through appropriate choice of attachment means, for example by a biased wire hook projecting from the crowd control barrier post which may be attached to the crowd control barrier, and which retains a portion of the barrier at a distance from the crowd control barrier post. Alternatively, the portion of the crowd control barrier to be angled may comprise a pocket extending along each side edge, into which may be inserted an article which, in use, retains the barrier in an angled position. The article may be, for example, a wedge or triangular shaped spacer. Such a spacer may be made of plastic, or foam, or polystyrene, or may be inflatable. The choice of angle may depend on the available space. Where the crowd control barrier is a double-sided crowd control barrier and comprises a longer and a shorter side, the shorter side may be angled outwardly as described above, while the longer side extends substantially vertically downwards.
Thus, the barrier may be personalised to the needs of the consumer. A smaller depth of barrier may be appropriate on a side intended to be adjacent to queuing members of the public. Where the barrier will be visible, for example, to customers passing along a pavement, then a deeper barrier may be appropriate as it will be possible to display a larger logo or a greater amount of information on the barrier, which is visible from a distance.
To enable the crowd control barrier to be effectively used indoors and outdoors without suffering damage from the weather or dirt, or contamination with pathogens, the fabric from which the crowd control barrier is made may be treated with one or more additives. The additives may be applied during wet processing of the knitted fabric prior to construction of the crowd control barrier. Suitable additives include, but are not limited to, stiffeners, softeners, water repellents (eg fluorocarbon), odour suppressants, fragrances, micro-encapsulated fragrances, optical brightening agents, dyes, anti-static, dirt repellents, anti-microbial, anti-viral and/or anti-bacterial agents.
The edges of the knitted fabric forming the crowd control barrier may be sealed in any suitable manner, such as by sonic welding or hemming. Regions of reinforcement may be added if necessary. Folded edges, such as a folded edge along the top of the crowd control barrier, may also be reinforced with sonic welding, eg sonic welding to a distance of approximately 3-4 mm from the top edge. Sections of reinforced fabric may also be included within the knitted fabric, and may be added during the knitting process, or post-manufacture.
The properties of the crowd control barrier of the invention may be modified through the choice of yarn used to form the knitted fabric. Bright, trilobal yarns may be used to enhance the appearance, while thicker, denser yarns may be used to provide more structure, or textured yarns may be used to produce a smoother finish.
Because the crowd control barrier is made from a single piece of knitted fabric, it can be formed from a single material, eg polyester yarn, which means that it can both be recycled, and be made from recycled or biodegradable materials, unlike the plastic mesh fabric used in existing barrier control systems.
The crowd control barrier may be supplied on its own, or in combination with one or more crowd control barrier posts to which it can be fixed and, optionally, one or more bases. Accordingly, there is provided a kit of parts comprising a crowd control barrier and at least one crowd control barrier post, the crowd control barrier comprising a first end and a second end, the first end and second end being affixed, in use, to first and second crowd control barrier posts respectively, the crowd control barrier comprising a single piece of knitted fabric and having releasable attachment means for releasably attaching the crowd control barrier to the first and second crowd control barrier posts.
There is also provided a kit of parts comprising a crowd control barrier and at least one crowd control barrier post, the crowd control barrier comprising a first end and a second end, the first end being releasably affixed, in use, to the at least one crowd control barrier post, the crowd control barrier comprising a single piece of knitted fabric, and having a channel extending along its top edge, the channel, in use, housing supporting means.
The kit of parts may be supplied with first and second crowd control barrier posts, such that, in use, the first and second ends of the crowd control barrier are affixed to the first and second crowd control barrier posts respectively.
There is also provided a crowd control barrier assembly comprising a crowd control barrier and first and second crowd control barrier posts, the crowd control barrier comprising a first end and a second end, the first end and second end being affixed, in use, to first and second crowd control barrier posts respectively, the crowd control barrier comprising a single piece of knitted fabric and having releasable attachment means for releasably attaching the crowd control barrier to the first and second crowd control barrier posts.
There is also provided a crowd control barrier assembly comprising a crowd control barrier and first and second crowd control barrier posts, the crowd control barrier comprising a single piece of knitted fabric and having a channel extending along its top edge, the channel, housing supporting means, and the crowd control barrier being affixed to and extending between the first and second crowd control barrier posts.
Crowd control barrier posts are known in the art, and the crowd control barrier of the present invention may be used with any suitable crowd control barrier post on the market. However, novel features have been developed which are particularly suitable for use in connection with a crowd control barrier described herein.
The crowd control barrier post is releasably connectable from the base, the post extending upwardly from the base (when connected) to a height of between 80 cm and 120 cm, or between 90 cm and 110 cm, more preferably approximately 100 cm. The post may have a cross-section which is substantially circular, ovaline, square, rectangular or polygonal, but which may include a groove to permit the fixing of attachment means to the post. The post may particularly have a circular cross-section. The diameter of the post may be from 1 cm to 20 cm, or from 1 cm to 15 cm, or from 2 cm to 10 cm, or from 2 cm to 5 cm. The post may be detachable from the base via a screw, clip, or pin fitting, or a spring loaded bearing, or a friction fit. When detached, the post and base may remain connected via a cord or elastic. The post may be rotatable relative to the base, such that it can be orientated in the desired direction, eg by means of a screw fitting, or snap-fit connector.
The crowd control barrier post may comprise attachment means to facilitate attachment of the crowd control barrier. The crowd control barrier post may comprise a hook or clip (eg a spring loaded or biased clip) to which the crowd control barrier may be attached. For example, an eyelet or loop on the crowd control barrier (eg in each corner of the crowd control barrier) or the extended ends of the supporting member may attach to a corresponding hook or loop affixed to or integrally formed with the crowd control barrier post. The attachment means may alternatively comprise a clip or bracket having two arms, the two arms extending outwardly from the crowd control barrier post, and the distal ends of the two arms being spaced the desired distance apart. The distal ends of the arms each carry a hook or other attachment means, for engagement with eyelets or other attachment means on the crowd control barrier. Thus, the clip may hold two sides of a double-sided crowd control barrier apart by a desired distance, for example between 2 and 10 cm apart. The clip may comprise a coil of metal from which the two ends of the coil extend outwardly to form the two arms. The clip may be slid into or otherwise attached to a groove or aperture on the post, permitting easy assembly and disassembly of the system.
The crowd control barrier post may comprise first and second attachment means protruding from a side wall of the post, the first attachment means protruding from a position vertically above the second attachment means, the first and second attachment means being connected by a resilient member. The post may comprise a channel on an outer wall to house the resilient member. The post may be at least partially hollow to house the resilient member. The first and second attachment means may protrude through an aperture in a side wall of the barrier post, the first and second attachment means being connected through the at least partially hollow portion of the interior of the post by the resilient member. The resilient member may be an elastic member, or may comprise a spring. The use of a resilient member to connect the attachment means permits movement of the attached crowd control barrier member in the wind.
The first and second attachment means may releasably attach to the crowd control barrier. The first and second attachment means may be hooks, clips, carabiners, spring loaded clips, hook and loop fastening, a clip having two arms as previously described or any other suitable means. The first and second attachment means may releasably attach to a corresponding attachment means on the crowd control barrier, eg to one or more eyelets in the crowd control barrier, to one or more loops of cord or elastic protruding from the crowd control barrier, to one or more clips, hooks or carabiners on the crowd control barrier, to the supporting means, or to a combination of these.
The crowd control barrier post may comprise first and second sets of first and second attachment means as described above, one set on each of two opposing sides of the crowd control barrier post, such that it can be releasably attached to two crowd control barriers at the same time. Where the cross-sectional shape of the crowd control barrier is polygonal, the first and second sets of attachment means may be located on first and second opposing faces of the crowd control barrier post. Where the cross-sectional shape of the crowd control barrier is circular or ovaline, the first and second sets of attachments means may be diametrically opposite.
As previously described, it may be advantageous for the lower edge of the crowd control barrier to be angled outwardly at up to 90°, or up to 50°, or up to 30°, or up to 20°, or up to 10° to make it easier for the public to read any information printed thereon. The crowd control barrier post may comprise an adjustable bracket to which the lower edge, or a lower corner, of the crowd control barrier may be affixed, which enables the lower edge of the crowd control barrier to be angled outwardly at an angle of up to 90°, or up to 50°, or up to 30°, or up to 20°, or up to 10° relative to the crowd control barrier post.
Where the crowd control barrier extends/wraps around either or both crowd control barrier posts as previously described, to form an integral post cover, two crowd control barrier posts may be affixed to a single base, the single base having two attachment points for the releasable attachment of a crowd control barrier post. Alternatively or additionally, two crowd control barrier posts may be held together with a retention clip, eg a moulded plastic clip, which retains the two posts in close proximity to each other. In either embodiment, a small gap between the posts of less than 10 mm, or less than 5 mm, is retained to allow space to accommodate the integral post cover about each post. Each of the two crowd control barrier posts may carry a crowd control barrier with integral post covers, the two crowd control barriers extending outwardly in different directions, to form an extended barrier.
The first and second crowd control barriers may be releasably connected together by means of a crossbar, extending from a point at or near the top of a first crowd control barrier post to a point at or near the top of a second crowd control barrier post, and being releasably affixed to each post by means of a screw-fit, friction-fit, snap fastening, clip fastening, or any other suitable means. The crossbar may comprise a single elongate member, or may comprise two elongate members joined together, eg by a male/female connector.
It may also be desirable for the crowd barrier control post, or other similar posts, to display branding material, instructions or other graphics. Thus, the crowd control barrier post may further comprise a stand extending from the top of the post, to which an additional sign may be fixed. The stand may be removable or may be fixed to the post. The stand may be attached to a fitting, eg a screw fitting, snap fitting or spring loaded clip, at the top of the post, or may extend into a hollow or partially hollow interior of the post and affix to an attachment point on the interior of the post, or to an attachment point inside the base or, where present, may affix to an attachment point on the spike. Connecting the stand to the base or the spike via the interior of the post means that the stand benefits from the weight of the base and/or spike to prevent it coming out or being blown away in high winds. The stand may be connected to the base or spike by a pin inserted through aligned holes in the stand and base or spike. The stand may be attached to the fitting, either on top of the post or internally, via an elasticated member, to allow movement in the wind. The elasticated member may be a spring or elasticated cord.
The banner or sign may be any suitable shape, eg square, rectangular, triangular, circular, oval, drop shaped, balloon shaped, and may extend vertically upwards or may be angled to one side. The banner or sign may have a fixed orientation, or may be rotatable, eg through a rotatable connection or rotating bearing. The stand may comprise a pole extending upwardly from the top of the post, and may extend substantially vertically upwards. The pole may be straight or curved, corresponding to the shape of the banner or sign which is to be affixed to it. The pole may alternatively have a “T” shape, which may be retractable or foldable. The pole may comprise an elongate member, which is inserted into a corresponding channel extending along at least one edge of the sign or banner.
The pole may be made of any suitable material known in the art. The pole may be made of metal (eg sprung steel), or plastic, or fiberglass. The pole may comprise multiple sections which are connected together by a male/female fitting, secured with a friction fit or clip. The sections may be connected by elastic or cord.
The sign or banner may comprise at least one elasticated edge, typically along an edge which is not retained by the stand. The elasticated edge applies a tension to the edge, preventing undue movement and distortion by the wind.
The stand may alternatively bear a digital messaging board, on which messages can be displayed as desired by the user.
The crowd control barrier post may comprise a removable stop which occludes a fitting for the attachment of a stand as described above when it is not required, but which may be removed to permit the releasable attachment of a stand when needed.
The stand and post may be used in conjunction without the use of a crowd control barrier. The stand may alternatively be fixed directly to the base (as described above) without a crowd control barrier post, such that a lightweight, easily moveable stand and banner may be quickly erected where required.
The post may additionally comprise means for retaining an article or articles, eg a bottle of hand sanitizer for use by the public, leaflets, and/or business cards. A holder or cage, which may be formed of metal or plastic, may be affixed to the post for the retention of an article or articles.
The post may further comprise digital display capability. For example, the post may comprise a screen or LED display which may be updated remotely with changing information. A battery for powering such a display may be housed within the post, and/or a solar panel may be attached to the exterior of the post.
The crowd control barrier system may further comprise first and second bases, which may be releasably attached to the first and second posts respectively.
The base for use in conjunction with the crowd control barrier system of the invention is preferably weighted, to prevent undue movement either in the wind, or if a member of the public bumps into it. Additional weights may be added to the base to increase the weight, dependent on the circumstances. The total weight of the base will depend on the circumstances of use, but may be from 6 kg to 12 kg, or from 8 kg to 10 kg.
It may be desirable for the crowd control barrier system to be positioned on soft ground. Traditional bases used on crowd control barrier posts comprise a flat or cone shaped base, or a hollow base which may be filled with sand or water for ballast, and may be unstable on soft ground.
The base may therefore comprise a downwardly extending spike which, in use, is inserted into the ground to stabilise the crowd control barrier post. The spike may be removable, such that the crowd control barrier post may be used on either hard or soft ground. For example, the spike may have a screw thread and be screwed into a corresponding thread in the underside of the base, or it may be connected to the underside of the base by a clip, horizontal pin or snap-fit connection. The spike may extend 10 to 25 cm, or 10 to 20 cm, or 15 to 20 cm downwardly from the base. The spike may be hollow. The spike may be releasably attachable to a stand carrying a banner, as previously described.
There is thus provided a base for use in conjunction with a crowd control barrier post, the base being releasably connectable to a crowd control barrier post, and comprising a downwardly extending spike which, in use, is inserted into the ground to stabilise the crowd control barrier post.
Alternatively, the base may not comprise a spike.
The base may be made of metal or plastic, and may contain an internal cavity to be filled with water or sand for ballast. The internal cavity may comprise ridges or channels to locate the water or sand.
The base may weigh approximately 4-12 kg, or 5-9 kg. The base and crowd control barrier post combined may weigh from 6-14 kg, or from 6-10 kg. Additional weights may be added to the base, where required for stability, eg making a total weight of approximately 15-20 kg for use in outdoor environments. The base may be any appropriate shape, eg circular, hexagonal, square or rectangular. The edges and/or corners of the base may be rounded to prevent injury. The base may be manufactured by injection moulding, or by stamping.
The base may further comprise wheels to make it easily portable. The wheels may be positioned such that they do not contact the ground when the base is stationary, but only when it is tilted at an angle in order to move it.
The base may further comprise a non-stick coating on its underside, for example a layer of rubber adhered to the underside of the base, to prevent sliding of the base, particularly when used indoors.
The base may further comprise handles to permit it to be carried easily. The base may comprise cut-out portions to act as handles.
It may also be desirable to increase the height of the crowd control barrier without inhibiting people's sight. In areas where a large number of people are queuing, but social distancing needs to be maintained, increasing the height of the barrier to above head height would prevent the spread of contaminants beyond the barrier, meaning that people could stand either side of the barrier without maintaining a set distance, enabling more people to queue in a smaller area. However, an opaque barrier of this height may create an undesirable and/or unpleasant experience for the people waiting.
It has been found that a transparent screen may be erected above the crowd control barrier, increasing the height of the barrier without impinging on people's view. The transparent screen may be made of glass or plastic, and is preferably made of acrylic. The transparent screen is preferably made of acrylic which is 3 mm thick.
The transparent screen may have a height of between 80 and 120 cm, or between 90 and 110 cm, or approximately 100 cm. The transparent screen may be affixed to the top of first and second crowd control barrier posts and extend therebetween, such that it extends upwardly from the top of the crowd control barrier. The bottom of the transparent screen may overlap with the top of the crowd control barrier to prevent a gap which may enable the spread of contaminants. The overlap may be between 0.1 and 10 cm, or between 0.1 and 5 cm, or between 0.1 and 2 cm, or between 0.1 and 1 cm.
The transparent screen may be used with the crowd control barrier system described herein, or may be retrofitted to an existing crowd control barrier system.
The transparent screen may comprise a first retaining member along a first edge, and a second retaining member along a second edge, the first and second retaining members extending along opposing edges of the transparent screen and comprising attachment means for attaching to first and second crowd control barrier posts. The attachment means may comprise screw fitting, snap-fitting or spring-loaded clip, at the top of the post, or may extend into a hollow or partially hollow interior of the post and affix to an attachment point on the interior of the post, or to an attachment point inside the base or, where present, may affix to an attachment point on the spike, eg it may attach into a hollow spike. Connecting the stand to the base or the spike via the interior of the post means that the transparent screen benefits from the weight of the base and/or spike to prevent it coming out or being blown away in high winds. The first and second retaining members may be connected to the base or spike by a pin inserted through aligned holes in the stand and base or spike.
Alternatively, first and second retaining members for the retention of the transparent screen may form part of the first and second crowd control barrier posts.
The transparent screen may be removably attached to the retaining members, or may be fixed. The transparent screen may be attached to the first and second retaining members by clips, friction fit, or glue.
The transparent screen may be foldable to enable easy transport and storage. The transparent screen may comprise a hinge, enabling it to be folded. This enables a greater distance between posts, and few posts, to be used, reducing both end user and manufacturing costs.
A stand and banner, as previously described, may be attached to the first or second retaining member, such that the stand extends from the top of the transparent screen. Thus, the retaining member may extend from the top of the crowd control barrier post, while the stand extends from the top of the retaining member. The stand may be attached to the retaining member by any of the means described in relation to the attachment of the stand to the crowd control barrier post.
The crowd control barrier system of the invention may further comprise a tubular post cover formed of a single piece of knitted fabric, which covers the post and which may display branding or indicia.
Typically, post covers for displaying branding and other indicia comprise a cardboard or plastic sleeve which is folded round the post. However, these are liable to damage, and may injure someone who collides with them. It has been found that a knitted fabric may be used to create a post cover which withstands normal use, but which does not carry a risk of injury to pedestrians.
According to a further aspect of the invention there is therefore provided a tubular post cover formed of a single piece of knitted fabric.
The piece of knitted fabric may be a rectangular piece of fabric, and may be joined along two opposing sides or edges to form the tubular post cover. Thus, the fabric may be folded, and sealed along opposing edges. The two opposing sides/edges may be joined by any suitable means, including bonding, sonic welding and stitching. The edges of the fabric may be secured by being hemmed and/or sonic welded.
Alternatively the knitted fabric may be a circular knitted fabric arranged to surround the post.
One end of the tubular post cover may additionally be closed, e.g. sealed, forming the top of the post cover. This ensures that the post cover rests on top of the post and does not slide to the ground, preventing the lower portion of the post cover from becoming dirty.
The sealed top may form a discrete face suitable for printing, allowing a distinctive message to be displayed. The sealed top may have a width dimension approximately equal to a corresponding width dimension of the post in use, eg forming a substantially flat top. Alternatively, a top section may have a larger width dimension than the post.
The post cover may be printed, eg digitally printed, with indicia, such as branding, instructions, QR code(s) or other promotional information as described in relation to the crowd control barrier. Different indicia, eg graphics or text, may be printed on portions of the fabric to be provided on different sides of the post. Further indicia may be printed on the portion of the fabric defining the top of the post cover.
The two opposing edges and, optionally, the top opening of the post cover may be joined/bonded by any suitable means, including gluing, stitching or sonic welding.
The bottom edge of the post cover, comprising an open end of the tubular post cover, may comprise an elasticated edge, which draws the fabric together. The bottom edge of the post cover may comprise elasticated threads, which draw the fabric together. This ensures that the bottom edge of the post cover closely fits against the post, preventing dirt and litter accumulating inside and preventing the wind from lifting the post cover off the post. There may, in use, be a distance between the bottom of the post cover and the ground, for example a distance of between 50 mm and 200 mm, to prevent the bottom of the post cover from becoming dirty.
The cross-sectional shape of the tubular post cover may be substantially circular, ovaline, elliptical, drop shaped, or may comprise two arcuate curves joined together at their ends.
The post cover may further comprise one or more ports through which one or more attachment means may pass, so that the crowd control barrier post over which the post cover is placed may still be releasably attached to a crowd control barrier as described herein.
The properties of the post cover of the invention may be modified through the choice of yarn used to form the knitted fabric. Bright, trilobal yarns may be used to enhance the appearance, while thicker, denser yarns may be used to provide more structure and resilience, or textured yarns may be used to produce a smoother finish.
The fabric of the post cover may be denser, or more closely woven, in central and/or side portions, to provide reinforcement to the post cover. The fabric of the post cover may have less dense portions, and/or portions with apertures which permit the passage of wind, to prevent the post cover from being unduly distorted or moved by the wind.
To enable the post cover to be effectively used indoors and outdoors without suffering damage from the weather or dirt, or contamination with pathogens, and thus to prolong its life, the fabric from which the crowd control barrier is made may be treated with one or more additives. The additives may be applied during wet processing of the knitted fabric prior to construction of the crowd control barrier. Suitable additives include, but are not limited to, stiffeners, softeners, water repellents (eg fluorocarbon), odour suppressants, fragrances, micro-encapsulated fragrances, optical brightening agents, dyes, anti-static, dirt repellents, anti-microbial, anti-viral and/or anti-bacterial agents.
The post cover may further comprise a series of small apertures. These small apertures may particularly be located close to or adjacent to the bonded edge (where present) and/or to the folded edge. The apertures may have a diameter of up to 5 mm, or up to 3 mm, or up to 2 mm. The apertures may be arranged in a regular array, or may be randomly sited. The apertures may comprise a hole, or may comprise a flap of fabric, for example a “V” shaped or “U” shaped flap of fabric, which opens under the force of the wind. The apertures may be formed as part of the knitting process, or they may be cut into the knitted fabric, eg using a pattern roller, such as a sonic welded pattern roller. The apertures allow wind to pass through the cover, preventing it from spinning around and so ensuring that the desired face of the post cover is always facing in the correct direction. The holes on opposing sides of the post cover may be in registration with each other, to allow the wind to easily pass through the post cover. This retention of the post cover in a fixed orientation allows for any branding or messaging printed on the post cover to be orientation specific, eg directing consumers to the entrance and exit of a shop.
The direction of knitting of the fabric of the post cover may extend in a longitudinal direction of the post, ie the warp threads may extend from top to bottom of the post cover. The post may be inserted into the post cover in the direction of knitting of the fabric, ie in the direction of the warp threads. Small apertures as previously described may be spaced at desired locations along the knitted width of the fabric. This may allow accurate/repeatable placement of apertures, e.g. at desired spacing along the post cover.
The post cover may further comprise digital display compatibility. For example, a textile strap comprising a foldable LED screen which may be updated regularly with information. Conductive yarns may be incorporated into the knitted fabric to enable the inclusion of LEDs or other electronics. Such electronics may be powered by a battery housed within the post, or by a solar panel on the exterior of the post.
The features which may form part of the crowd control barrier system as described herein may be combined in any combination, enabling the end user to design a system to suit their needs. For example, the crowd control barrier system described herein may be used to direct a consumer through a journey, using a tall stand and banner to attract the consumer's attention, a barrier to provide additional information and guide the consumer in the correct direction, or to direct the consumer through a queuing system, or to maintain social distancing, and/or post cover(s) to provide additional information and/or engage consumers. The lightweight, portable system reduces costs for the end user whilst making it possible to have a single system which can be adapted for changing needs, eg for a venue which hosts different events.
The crowd control barrier and/or post cover according to the invention may be produced in a continuous process. To facilitate their construction, specific features may be incorporated into the knitted fabric during its production. Fold lines which aid in creating accurate folds in the correct positions (eg for formation of the channel in the crowd control barrier) may be formed by creating a line of weakness in the fabric, eg by the introduction of a narrow region which is of lower density than the surrounding fabric, or by forming a ridge in the fabric, eg by the introduction of a narrow region which is of higher density than the surrounding fabric. Areas of higher or lower density may additionally or alternatively be incorporated to provide areas with greater flexibility or greater reinforcement, as required.
The various regions of the fabric may be produced by any suitable means, eg by employing multiple needle bars, by changing thread arrangements, using different yarns, different tensions or different patterning techniques, or a combination of these measures.
According to a further aspect of the invention there is provided a method of manufacturing a crowd control barrier according to the first aspect of the invention, which method comprises the steps of
Steps c) and d) may be performed in any appropriate order.
A line of sonic welding may additionally be applied close to and parallel the fold to provide reinforcement. The line of sonic welding may be spaced approximately 1-10 mm from the fold, or 1-5 mm from the fold, or about 3 mm from the fold.
The single piece of fabric is preferably an elongate band of fabric. It may be produced using a flat-bed knitting machine, eg a Raschel knitting machine. The width of the fabric corresponds to the desired height of the crowd control barrier.
Using an automated process to fold the fabric to form the crowd control barrier both reduces labour cost and ensures accuracy of the fold. The use of bespoke fabric which has been manufactured for the specific purpose enables machine folding to quickly and accurately fold and bond the fabric, keeping manufacturing costs low while producing a quality, effective finished product. The low cost of the product, combined with its portability, enables venues to vary their crowd control barrier at different times of the day and/or week and/or year, to display the desired advertising and/or information.
In a preceding step, the fabric may be pre-treated with one or more additives as discussed in relation to a preceding aspect of the invention. The pre-treatment may be varied depending onion the intended final location of the crowd control barrier.
An additional manufacturing step may include inserting the supporting means into the channel. This may either be done during creation of the channel by placing an elongate member along the fold line and folding it into the channel (as part of step b), or inserting it into the channel after the creation of the channel (between steps c) and d)). The elongate member may be bonded in place by stitching or sonic welding.
The crowd control barrier may be packaged, either individually or in bulk, for supply to customers. Multiple crowd control barriers may be supplied in a box with a means for dispensing them individually, eg a small aperture through which a crowd control barrier can be drawn. Alternatively, the fabric may not be severed and instead the crowd control barriers may be supplied in connected form, eg wound into a roll or folded in concertina fashion. In such a case, individual crowd control barriers are separated from the bulk supply by the end user, eg by tearing off. Suitable points or lines of weakness (eg a line of perforations) may be introduced to facilitate this.
There is also provided a method of manufacturing a post cover, the method comprising the steps of:
The single piece of fabric is preferably an elongate band of fabric. It may be produced using a flat-bed knitting machine, eg a Raschel knitting machine. The width of the fabric corresponds to the desired height of the crowd control barrier.
In a further manufacturing step, apertures may be created in the post cover. The apertures may particularly be located close to or adjacent to the bonded edge, and/or to the folded edge. The apertures may have a diameter of up to 5 mm, or up to 3 mm, or up to 2 mm. The apertures may be arranged in a regular array, or may be randomly sited. The apertures allow wind to pass through the cover, preventing it from spinning around and so ensuring that the desired face of the post cover is always facing in the correct direction. The apertures on opposing faces of the post cover may be in registration with each other to allow the wind to pass through.
In any aspect of the invention, apertures may be created at desired spacings in the
In a preceding step, the fabric may be pre-treated with one or more additives as discussed in relation to the post cover.
Using an automated process to fold the fabric to form the post cover both reduces labour cost and ensures accuracy. It also enables the accurate placement of apertures, such that apertures in opposing faces of the post cover may be in alignment to permit the wind to pass through. The use of a single fabric in the production of the post cover also permits easy recycling. The use of bespoke fabric which has been manufactured for the specific purpose enables machine folding to quickly and accurately fold and bond the fabric, keeping manufacturing costs low while producing a quality, effective finished product. The low cost of the product, combined with its portability, enables venues to vary their post covers at different times of the day and/or week and/or year, to display the desired advertising and/or information.
The post cover may be packaged, either individually or in bulk, for supply to customers. Multiple post covers may be supplied in a box with a means for dispensing them individually, eg a small aperture through which a crowd control barrier can be drawn. Alternatively, the fabric may not be severed and instead the post covers may be supplied in connected form, eg wound into a roll or folded in concertina fashion. In such a case, individual post covers are separated from the bulk supply by the end user, eg by tearing off. Suitable points or lines of weakness (eg a line of perforations) may be introduced to facilitate this.
The invention will now be further described, by way of example only, with reference to the following drawings:
A perspective view of a crowd control barrier system 30 is shown in
The crowd control barrier is a double-sided barrier formed from a single piece of fabric which has been folded and sealed in a line parallel to the fold, approximately 30 mm from the folded edge, creating the channel 32. The crowd control barrier has been knitted from polyester yarn, and the fabric has a weight of 135 gsm. The front face 35 of the crowd control barrier has a height of 300 mm, while the back face of the crowd control barrier 36 has a height of 600 mm. The width of the crowd control barrier is 2000 mm.
Each crowd control barrier post 31 is releasably attached to a weighted base 39 via a screw fitting. The combined weight of the crowd control barrier post 31 and weighted base 39 is 8 kg. The weighted base is made from stamped metal. The base further carries a rubber coating on its underside, to prevent undue movement of the base on a smooth surface. The base may comprise further weights, increasing the total weight to 12-20 kg.
A perspective view of a post cover 40 according to the invention is shown in
The connection between a first side of a crowd control barrier and a first crowd control barrier post is shown in
A crowd control barrier post 501 is releasably connected to a circular base 502 by means of a screw fit attachment. The post 501 extends substantially vertically to a height of approximately 1 m. A first hook 503 extends out of a first aperture in a side wall of the post close to the top of the post. A resilient member (not shown) is connected to the first hook and extends downwards through the partially hollow interior of the post 501 to a second aperture, where it is connected to a second hook 504. Thus, the first and second hooks 503, 504 are connected by a resilient member which passes through the interior of the post 501.
A crowd control barrier 505 has a channel 506 formed by a line of sonic welding 507 extending parallel to a folded edge 508, the folded edge running along the upper edge of the crowd control barrier 505 and being spaced approximately 40 mm from the line of sonic welding 507. An elastic elongate supporting member 508 extends through the channel, and comprises a first eyelet 509 at each end. The first hook 503 is attached to the eyelet 509, forming a first releasable attachment.
It will be appreciated that a second set of hooks may be provided on the crowd control barrier post, eg located diametrically opposite to the set of hooks shown in
The lower corner of the crowd control barrier 505 comprises a second eyelet 510, which is releasably attached to the second hook 504, forming a second releasable attachment.
An alternative embodiment of a crowd control barrier according to the invention is show in
An alternative embodiment of a crowd control barrier system 700 according to the invention is shown in
Additionally, or alternatively, two lengths of elasticated cord (not shown) are attached to a sprung clip 702 and extend to and are fixed to their opposing attachment points 703 on their opposing sprung clips 702 on the adjacent post. This creates a spacer which, in use, extends between and creates a 6 cm wide void between the two sides of the crowd control barrier (not shown).
The crowd control barrier system also comprises first and second retaining members 704 which extend upwardly from the first and second crowd control barrier posts 701 respectively, and between which extends a transparent, acrylic screen 705. The screen 705 is formed of 3 mm acrylic, and comprises a hinge 706 extending vertically down a central line to permit easy storage and transport of the screen. A balloon banner 707 is releasably fixed to the top of one retaining member 704, and comprises a plastic cord threaded through a channel about the edge of the banner.
A horizontal cross-bar 708 extends between the two crowd control barrier posts 701 to provide rigidity to the structure, and to help support the weight of the acrylic screen 705.
A fitting 800 to facilitate the fixing of cross-bar 708 to the post 701 is provided in
The cross-bar may be attached to one of the cut out portions 801 by means of a ball fitting, the ball fitting being attached to the crossbar either directly or via a resilient member. The crossbar is a rigid bar, and may be formed of two releasably attachable elgonage members joined by a male/female connector. The ball fitting slots into the wide aperture in the keyhole shaped cut out 801 and is slid along the slot to prevent it from inadvertently falling out. Tension is formed in the elastic member, preventing the ball fitting from sliding back along the slot in the cutout 801. The crossbar 708 may be attached either above or below the fitting 800, enabling a small adjustment in the height of the crossbar 708 to easily be performed.
The remaining cut out portions may be connected to additional crossbars in the same manner to enable the system to be connected to additional posts and barriers.
A 2000 mm×600 mm crowd control barrier formed from AirFlow knitted fabric was attached to a crowd control barrier post and base combination having a combined weight of 19.3 KG per post & weight assembly was subjected to 73 mph winds, and remained upright.
The weights of the components used in the system are as follows:
A 2000×600 mm crowd control barrier formed from a plastic mesh fabric was attached to a crowd control barrier post and base combination having a combined weight of 28 kg was subjected to 73 mph winds, and did remain upright.
A reduced base weight of 13.8 KG (bBase, plus 1 additional weight on the base, plus the pole) was found to fall over at lower wind speeds
| Number | Date | Country | Kind |
|---|---|---|---|
| 2106557.8 | May 2021 | GB | national |
| Filing Document | Filing Date | Country | Kind |
|---|---|---|---|
| PCT/GB2022/051171 | 5/9/2022 | WO |
