This invention relates to improvements in storm panel systems which protect property against damage caused by high winds and impact from associated flying objects and debris that result from a hurricane or other occurrence.
Various devices and materials have been proposed for the protection of building openings (such as windows, doors, and sliding glass doors) from the effects of high winds and flying objects associated with a hurricane or similar event. They include plywood sheets, corrugated metal panels, heavy translucent stiff corrugated plastic sheets out of such materials as poly carbonate, flexible metal shutters, and the like. In the simplest and most often utilized form, sheets of plywood have been nailed, screwed, or otherwise attached to a building as a covering for windows and doors. The user needs to acquire and cut plywood sheets to the proper dimensions to cover the openings and to install them. Because of their appearance, bulkiness and weight, plywood covers are typically installed only when a hurricane or similar incident is imminent. During the hurricane or other storm, the plywood prevents any light from entering into the building and electricity frequently gets interrupted during hurricanes. As a result, the covered windows and doors produce a cave-like effect that is uncomfortable and inconvenient to the building occupants. After the threat of damage has passed, the plywood sheets must be removed by hand. The securing system (nails, etc.) may cause damage to the building structure.
Lately there have been various attempts at implementing protective systems as storm panels. These systems are usually permanently affixed to a structure. The fabric panel is stored in a coiled configuration positioned above a window or door inside a housing in anticipation of threat from flying debris. The panel can be deployed over a window or door opening.
One aspect of the present invention is the recognition that the aforementioned system and devices are both burdensome and dangerous to install and remove. For two or three-story buildings, or even single-level buildings that are elevated, the user is confronted with a problem of safe and secure access to the upper level windows. Thus, a user will need a ladder, scaffold, or lift device to gain access to install, and later remove, the aforementioned devices. If a user is installing these devices and the weather quickly deteriorates-this user is left exposed elements of a storm and possible projectiles. Where the threat of damage has passed, the user is still placed in an unnecessary and dangerous predicament in order to remove the protective panels describe above. Even protective systems that are permanently affixed to the building may require a user to access the structure from the exterior to ensure proper engagement of the structure to building before a storm.
Thus, despite the existence of such storms for many, many years, and despite the existence of materials and many types including fabrics, the above procedures are still necessary. Lately, storm panel systems have been developed, that are lightweight, translucent, simple to install and remove. These inventive systems remove the impediments of installation associated with an elevated building opening, and when constructed and installed in accordance with the teachings of the present invention, will protect window or door openings from debris or airborne objects occurring during high winds such as those accompanying hurricanes or other violent storms.
One approach described in the parent application Ser. No. 11/767,753, is a system having a fabric panel of high strength yarns, such as high molecular weight polyethylene yarns. The fabric is of a size and shape as to extend across a selected door or window. A reinforcement member may be disposed along at least a portion of the perimeter of the fabric panel and removably engages the outer surface of a building surrounding a window or door opening. The fabric panel and reinforcement member cooperate to cover at least a portion of the selected window or door opening of a building, however, a preferred embodiment of the inventive system deploys a fabric panel in an overlapping manner over the door or windowing opening.
Also according to the parent application Ser. No. 11/849,691, there is provided at least one access opening in the fabric panel of high strength yarns. In the case of elevated windows, the access opening permits a user to install or remove the fabric panel while remaining inside of the building. Thus, the access opening avoids the inconvenient and potentially dangerous circumstances surrounding installation and/or removal of prior protective systems on elevated windows. The access opening is selectively closeable at the user's election, whereby a user can access the exterior of building to install, adjust or remove the fabric panel, before during or after a storm. Thus, the opening obviates the need for the property owner or user to climb ladders or even exit the building into the elements of the storm, should the need arise.
In use, a storm panel system is installed over the window or door opening so as to store the fabric panel in a rolled or coiled configuration for later deployment when the threat of damage is near. At the user's election, the fabric panel can be deployed to cover the window or door. The access opening permits a user to secure the fabric panel to the outer surface of a building surrounding a window or door opening when deployed.
Applicant has now discovered that the concept of the access opening in the fabric panel is also applicable to other storm panel systems that utilize other types of flexible panels to cover window or door openings. This would include flexible panels of conventional organic and polymeric yarns, blends thereof, polymeric films, or even film/fabric laminates and coated fabrics. The concept is also applicable to systems in which other mounting systems may be utilized such as those disclosed in U.S. Pat. Nos. 6,341,455; 6,851,464; and 6,886,300, as well as in U.S. Published Application No. 2004/0154242. Thus, the provision of the access opening is applicable to substantially all flexible panel storm covers, however they may be mounted, so long as the mounting process or the deployment of the flexible panel requires access from the outside.
Having described the invention in general terms, reference will now be made to the accompanying drawings, which are not necessarily drawn to scale, and wherein:
Certain exemplary embodiments of the present invention are described below and illustrated in the accompanying Figures. The embodiments described are only for purposes of illustrating embodiments of the present invention and should not be interpreted as limiting the scope of the invention. Other embodiments of the invention, and certain modifications and improvements of the described embodiments, will occur to those of skill in the art, and all such alternate embodiments, modifications and improvements are within the scope of the present invention.
Turning now to the drawings, a storm panel for windows, doors, sliding doors, and the like is illustrated in
The storm panel is preferably a fabric, a polymeric film, a film/fabric laminate, or a coated fabric laminate. By “fabric” we mean any structure formed form fibers or yarns and includes woven fabrics, warp knit fabrics, weft knitted fabrics, mesh fabrics and nonwoven fabrics. More preferable is woven fabric formed as a plain weave. In other embodiments, the woven fabric can be basket weave, twills or satins as the need may arise. The inventors contemplate the use of any fabric structure where the interlacing yarns or fibers provide sufficient strength and dimensional stability for use as a storm panel 10.
The fabric is preferably comprised of synthetics fibers. Examples of synthetic fibers and yarns used to form the fabrics for use as panel is present invention include polyester, polyamide, polypropylene, ultra high molecular weight polypropylene, polylactic acid, acrylic, polyethylene, ultra high molecular weight polyethylene (such as SPECTRA® by Honeywell), aramids, para aramids, ultra high molecular weight aramids, and those formed of blends of such compositions. Continuous filaments yarns are preferred, however spun yarns can also be used.
In another embodiment, the storm panel 10 is a film alone or a laminate of a fabric layer and a film. By “film” we refer to a planar polymeric material. Some examples of the films contemplated for use alone or in conjunction with a fabric to form a storm panel 10 include polyethylene, low density polyethylene, ethylene, and vinyl acetate films. The film can be laminated on the fabric as is known in art.
Another embodiment of storm panel 10 is a coated fabric. A coated fabric, as used for the present invention is where a polymer coating such as acrylic, polyvinyl chloride, polyvinyl acetate, polyurethane is disposed on a surface of the fabric. By “coating” we refer to the formation of a polymer material onto the fabric. The coating is applied by methods known in art such as extrusion, knife, spray, foam, froth, rotary screen, pad, gravure methods or transfer coating methods. One embodiment of storm panel 10 is a vinyl coated woven fabric formed from polyester yarns.
In any particular combination described above such a fabric, a film, a fabric-film laminate, or a coated fabric, the storm panel 10 will typically have a basis weight of less than about 60 ounces per square yard, preferably less than about 40 ounces per square yard and more preferably less than about 20 ounces per square yard.
As best illustrated in
Referring now to
Turning to
One suitable zipper type is a heavy-duty molded plastic zipper (resists corrosive effects of salt and seawater) such as the No. 15 Big Zip, available from Lenzip Manufacturing Corporation as Part No. 1540E. Alternatively, other closure materials or fasteners may be used, including but not limited to hook-and-loop, i.e., VELCRO® strip material, buttons, snaps, etc.
Referring now to
A variety of closure system are contemplated by the inventors. By “closure system” we mean a system for releaseably securing a panel to a structure surrounding a window or door in advance of a storm.
Turning now to
While the screw type anchors shown above are illustrative of the types of anchors that can be used, other types of anchoring means can also be used depending upon whether the structure is wood, concrete, concrete block, brick, stucco, etc., it being understood that the type of anchor should be selected depending upon the type material into which it must be inserted and secured. The process involves lining up the holes in the wall with the openings in the hem and reinforcing strip. The hole positions are marked on the wall, and then using a drill, drilling a hole into the wall an appropriate depth and diameter. The fabric panel 12 is then attached by securing the upper hem 14 to the portion of the wall above the wall opening, then securing the lower hem 16 to the area below the opening in the same manner. If the optional side openings are used, the sides are then secured in the same manner.
In
An attractive protective cover 40 of some suitable material such as a solution dyed acrylic fabric such as SUNBRELLA® by Glen Raven may optionally be provided. The protective cover 40, as illustrated in
While
An elongated opening 21′ is disposed proximate to the lower portion of panel 10′. Thus, access is permitted from the interior of the structure towards the exterior so as to facilitate the securement of the lower portion of panel 10′ to the bottom portion of the bottom edge of the window opening. As can be understood, this is an embodiment where the zippered elongate opening 21′ works cooperatively with a closure system that has a permanent installment feature. When the threat of damage has passed, a user can unzip the closure or the elongated opening, reach out, disengage the bottom portion or the sides of the panel as needed, and then recoil the fabric panel into the storage housing as may be desired.
Referring again to
A flexible composite fabric was formed from a single ply fabric made of ultra high molecular weight, extended chain polyethylene fibers. The fibers were Spectra® 900, 650 denier yarn available from Honeywell International Inc. and had a tenacity of 30.5 g/d. The fabric was in the form of a plain weave woven fabric (style 904 made by Hexcel Reinforcements Corp.), characterized as having a weight of 6.3 oz/yd2 (0.02 g/cm2), 34 ×34 ends per inch (13.4×13.4 ends per cm), a yarn denier of 650 in both the warp and weft, and a thickness of 17 mils (425 μm). The fabric was laminated on both sides to a low density polyethylene film having a thickness of 1.5 mil (37.5 μm). A 4 mil (100 μm) film of ethylene vinyl acetate was used as a bonding layer between the fabric layer and the two polyethylene film layers. The layers were laminated together by a thermal lamination technique as described in U.S. Pat. Nos. 6,280,546 and 6,818,091.
The total composite fabric weight was 14.8 oz/yd2 (0.05 g/cm2), and the total composite fabric thickness was 0.030 inch (0.76 mm). The composite had a grab strength in the range of 850 to 950 pounds per inch (148.8 kN/m) of fabric width, as measured by ASTM 1682.
The percent transmitted light through this composite was found to be about 80% (test method based on ASTM D1746).
This fabric, when constructed into a storm panel and provided with a selectively closeable elongated opening as described above, effectively protects the underlying opening.
A flexible composite fabric was formed from a single ply fabric made of extended chain polyethylene fibers. The fibers were Spectra® 900, 1200 denier yarn available from Honeywell International Inc. and had a tenacity of 30 g/d. The fabric was in the form of a basket weave woven fabric (style 912 made by Hexcel Reinforcements Corp.), characterized as having a weight of 11.3 oz/yd2 (0.044 g/cm2), 34×34 ends per inch (13.4×13.4 ends per cm), a yarn denier of 1200 in both the warp and weft, and a thickness of 28 mils (700 μm). The fabric was laminated on both sides to a low density polyethylene film having a thickness of about 2 mils (10 μm). A 7-8 mil (175-200 μm) film of ethylene vinyl acetate was used as a bonding layer between the fabric and the two polyethylene film layers. The layers were laminated together by a thermal lamination technique as described in U.S. Pat. Nos. 6,280,546 and 6,818,091.
The total composite fabric weight was 20 oz/yd2 (0.07 g/cm2), and the total composite fabric thickness was 0.045 inch (1.14 mm). The composite had a grab strength in the range of 1700 to 1900 pounds per inch (298-333 kN/m) of fabric width, as measured by ASTM 1682. This fabric, when constructed into a storm panel and provided with a selectively closeable elongate opening as described above, also effectively protects the underlying opening.
The foregoing description is illustrative of a preferred embodiment of the present invention, however it is apparent that various changes may be made without departing from the scope of the invention. For example, as described above, the system may be utilized with various types of building structures which would require various types of anchoring systems. The storm panel may be attached to the vertical surface of a building, the window or door facings, or the horizontal undersurface of an opening facing. There may be utilized the optional grommeted side openings which provide further reinforcement of the panel. Various configurations of the selectively closeable elongate openings may be provided to conform to various window and door sizes and placements. While a specific film/fabric laminate is described above, the flexible panel may also be a fabric, a film, or a coated fabric Thus, various modifications and variations are possible. It is intended that the scope of the invention be limited not by the description of the preferred embodiments above, but rather by the following claims.
This is a continuation-in-part of application Ser. No. 11/849,691, filed Sep. 4, 2007, still pending, which is a continuation-in-part of application Ser. No. 11/767,753, filed Jun. 25, 2007, still pending.
Number | Date | Country | |
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Parent | 11849691 | Sep 2007 | US |
Child | 12132318 | US | |
Parent | 11767753 | Jun 2007 | US |
Child | 11849691 | US |