The present invention concerns a bed mattress comprising a foil mattress of plastic material in a surrounding envelope of textile material, the foil mattress comprising channels and having a preferably self-closing valve for filling air into said channels.
The invention also concerns a proceeding for manufacturing a bed mattress comprising a foil mattress in a surrounding envelope of textile material, the foil mattress being provided with channels and having a preferably self-closing valve for filling air into said channels.
Concerning prior art:
Air-beds are today also used for bed mattresses, the air-bed consisting of welded together plastic foil portions having channels provided between said plastic foil portions and which is provided with air filling valve of the preferably self-closing kind. A surrounding removable and washable textile material envelope forms in that connection covering for said mattress.
Upon air leakage, such a bed mattress collapses and becomes unusable, which however is a less common problem.
However, such a mattress emits a rustling sound when the one who is lying or sitting on the mattress changes position, which may be disturbing both to the one carried by the mattress and to the environment. This rustling sound, which is a more seriously problem, comes primarily from the air-bed but also from the abutment of the envelope against the outside of the air-bed.
In visco-elastic bed mattresses, for instance of the type that consists of plastic material such as silicone, a serious problem, especially to rheumatic patients, is when these persons desire to change position and turn around on the mattress. Namely, the body of the person lying on such a visco-elastic bed mattress sinks down into the mattress material and prevents, or at least makes more difficult, position change of the body. Such bed mattresses are also heavy to handle because of their compact structure and thereby greater weight. Air-beds, which are light to handle, allow turning around easily when you are lying on an air-bed, however with said sound problem and with the risk of collapse upon air leakage.
Thus, the main object of the present invention is, among other things, to solve at least the problems mentioned above by simple means and cost-effectively.
Said object is achieved by means of a bed mattress according to the present invention, which essentially is characterized in that the channels of the foil mattress are, in addition to air, entirely or partly filled with fibres of so-called ball fibre and/or with foam plastics, at least in such an amount that the plastic material in the foil mattress is mutually separated, that said channels extend transversely to the longitudinal direction of the mattress, and that said formed mattress channels are interconnected via air passages.
A further object is also to manufacture such a bed mattress easily and efficiently.
Said further object is achieved by means of a proceeding according to the present invention, which essentially is characterized in that plastic foil is welded so that the frame of the mattress is formed apart from one or more certain passages to produced channels being left open from the side of the channels, that said channels are welded transversely with air passages interconnecting a number of said channels and are filled entirely or partly with fibres and/or with foam plastics, at least in such an amount that the plastic material in the mattress is mutually separated, the valve being welded in place on the mattress before the closure of said channels.
The present invention concerns a bed mattress having transverse channels filled with ball fibre/cold foam. It is the combination of ball fibre/cold foam and air that in addition provides an optimum pressure relief for the body of the person lying on the bed mattress.
Air-beds, which have longitudinal channels, may be utilized on beaches and in camping, not as bed mattresses. Such a one has no pressure relieving function and does not intend to facilitate healing of pressure sore or facilitate for users who have back problems and/or suffer from insomnia.
The mattress according to the present invention is a bed mattress for an optimum pressure relieving function for the body and it also affords an optimum bed comfort. Filling material has a pressure relieving function. Since channels are filled with ball fibre/cold foam to afford a good pressure relieving function. By in addition being able to supplement with air, the pressure relief increases and an optimum lying comfort is attained, which, among other things, contributes to faster rehabilitation or decreased pressure sore as well as decreases back problems/suffering from insomnia.
In the examples of mattresses discussed above, the filling material has in that connection the function to insulate the user from cold against the ground or another substratum when it is used in camping or open-air purpose. The object of the present invention is not to pack small and be inexpensive to produce but concerns a quality product, which makes everyday life considerably better since it improves sleep quality. It is a bed mattress having transverse channels that are filled with ball fibre/cold foam which is intended according to the invention and which in addition to decreasing back problems/suffering from insomnia also affords assuagement in the healing of pressure sore. The combination of ball fibre/cold foam and air in transverse channels is what provides an optimum pressure relief.
The invention is described below in the form of a number of preferred embodiment examples, reference being made to the accompanying drawings, in which,
The present invention concerns a bed mattress wherein an air-bed which, in addition to air, is filled with polyester fibre or foam plastics or both things entirely or partly, in order to, among other things, prevent rustle sound from the foil of the air-bed when someone is sitting or lying on the mattress.
The mattress can be washed off and no skin deposits and mite can penetrate down therein, neither urine.
The mattress is excellent for medical treatment and has effective pressure relief capacity. Between each transverse air channel, a ventilating channel is formed to get body heat and moisture to be removed.
The mattress will be much more inexpensive than the visco-elastic mattresses. Covering for the mattresses can be used in usual embodiments.
According to the invention, there is intended, in the production process of the air-bed, to create a number of air channels, which are provided by welding plastic foil so that an opening is formed at one end of each channel where filling of fibre and/or foam plastic material can be effected to an amount and volume that is suitable to keep apart the plastic material in the channels of the air-bed. Next, the channels of the air-bed are welded up by the arrangement of a preferably self-sealing valve for filling air or emptying air according to needs and desire. Thereby, the problem of air-bed mattresses is solved, that these rustle by the plastic foil material itself or from the material of the covering surrounding the plastic mattress, when you are lying or sitting on the air-bed. Thus, the problem is solved thanks to the invention by filling the air-bed with fibre material and/or foam plastic material, which efficiently damps disturbing rustle sounds, thereby solving a serious problem existing today of air-bed mattresses.
A bed mattress 1, which is provided with a plurality of channels 2 and having a preferably self-closing valve 3 intended and adapted for filling air 4 into said channels 2, has, according to the present invention, received fibres 5 and/or foam plastics, such as polyether, in said channels 2 of the bed mattress, in addition to air 4. Said fibres 5 are suitably of the type that is denominated ball fibre and which has curved fibre threads, which give rise to excellent resilience, and which preferably are made up of polyester fibre. Said channels 2 are entirely or partly filled with fibres 5 and/or foam plastics in the amount and volume that is suitable to at least keep apart the plastic material of the mattress 1 and the channels 2 thereof.
Said filling in the foil mattress formed by plastic foil may in addition to loose filling of fibres 5 and/or foam plastics be varied according to examples shown in
The protective fabric 20 facilitates, among other things, the insertion of the formed roll by the fact that the friction is decreased against surrounding plastic material of those channels 2 in which the roll is inserted.
In
The advantage of arranging tubular fillings 30 of cylindrical or quadrangular circumference shape with a contained elongate hollow space is that formed walls of such fillings 30 around a hollow space 40, drilled or provided in another way, in the centre of said fillings 30, helps to provide an effective resilience of said bed mattress 1. By varying the thickness of said walls and/or varying the density of the cellular plastics that are utilized therefor, the mattress can be adapted to the weight and shape of different persons.
With the filling of fibre 5 contained in a cylindrical sock 32, which consists, e.g., of nonwoven fabric and which is sealed 38/39 in the respective ends, the filling 5 can easily be introduced into the channels 2 of the foil mattress with no obstacle of friction.
The density of the cellular plastics therein may also be varied to fit different persons.
Air 4 may suitably flow between said channels 2 by said mattress channels 2 being interconnected via air passages 6.
For the best comfort, said channels 2 extend transversely to 7 the longitudinal direction 8 of the mattress.
As shown in
Furthermore, the bed mattress may be divided into zones along its longitudinal direction to increase the possibility to obtain an optimum pressure relief and comfort.
There may also be arranged a separate app which allows the air supply to, and from, respectively, the mattress to be adjusted.
A suitable proceeding for manufacturing a bed mattress 1, which is provided with channels 2 and having a preferably self-closing valve 3 for filling air 4 takes place according to the present invention in such a way that plastic foil is welded so that the frame of the mattress 1 is formed, apart from one or more certain passages to produced channels 2 being left open from the side, so that communication for air to flow between the channels 2 is allowed. Next, said channels 2 are filled entirely or partly with fibres 5 and/or with foam plastics, such as polyether, at least in such an amount that the plastic material 9, 10 of upper and under side, respectively, of the mattress 1 is mutually separated, with or without intermediate edge pieces 45, 46. The valve 3 is also welded in place on the mattress 1 before the closure of said channels 2 and preferably before the filling of the same. In that connection, said channels 2 are welded transversely 7 with air passages 6 interconnecting a number of said channels 2. Zone division of the mattress 1 may in that connection be provided. Suitably, the filling material is stuffed or blown into said channels 2 whereupon the plastic foil is welded in a known way per se and by known means in the longitudinal direction 8 of the mattress along one long side of the mattress before putting the foil mattress 1 in a surrounding envelope 11 consisting of textile material. In that connection, polyester fibre 5 or foam plastics are utilized to fill the channels 2.
In order to further increase the comfort of a said bed mattress 1, fibres or foam plastics of the type mentioned may also be placed between the outside of the mattress and the inside of the envelope before the closure of the envelope 11. Preferably, said fibres 5 or foam plastics are attached on the outside of the plastic foil mattress and/or on the inside of the envelope.
The function and nature of the invention should have been clearly understood from the above-mentioned and also with knowledge of what is shown in the drawings but the invention is naturally not limited to the embodiments described above and shown in the accompanying drawings. Modifications are feasible, particularly as for the nature of the different parts, or by using an equivalent technique, without departing from the protection area of the invention, such as it is defined in the claims.
Number | Date | Country | Kind |
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1500488-0 | Nov 2015 | SE | national |
1551623-0 | Dec 2015 | SE | national |
Filing Document | Filing Date | Country | Kind |
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PCT/SE2016/051149 | 11/18/2016 | WO | 00 |