WO2006009974A1 - Coussin ou matelas a noyau de mousse permettant le reglage de la vitesse de rebond - Google Patents

Coussin ou matelas a noyau de mousse permettant le reglage de la vitesse de rebond Download PDF

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Publication number
WO2006009974A1
WO2006009974A1 PCT/US2005/021703 US2005021703W WO2006009974A1 WO 2006009974 A1 WO2006009974 A1 WO 2006009974A1 US 2005021703 W US2005021703 W US 2005021703W WO 2006009974 A1 WO2006009974 A1 WO 2006009974A1
Authority
WO
WIPO (PCT)
Prior art keywords
pillow
foam
layer
breathable
foam core
Prior art date
Application number
PCT/US2005/021703
Other languages
English (en)
Inventor
Martin Rawls-Meehan
Original Assignee
Jtmd, Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jtmd, Llc filed Critical Jtmd, Llc
Publication of WO2006009974A1 publication Critical patent/WO2006009974A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C21/00—Attachments for beds, e.g. sheet holders, bed-cover holders; Ventilating, cooling or heating means in connection with bedsteads or mattresses
    • A47C21/04—Devices for ventilating, cooling or heating
    • A47C21/042—Devices for ventilating, cooling or heating for ventilating or cooling
    • A47C21/046—Devices for ventilating, cooling or heating for ventilating or cooling without active means, e.g. with openings or heat conductors
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/14—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
    • A47C27/142—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with projections, depressions or cavities
    • A47C27/146—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with projections, depressions or cavities on the outside surface of the mattress or cushion
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/14—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
    • A47C27/15—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays consisting of two or more layers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G9/00—Bed-covers; Counterpanes; Travelling rugs; Sleeping rugs; Sleeping bags; Pillows
    • A47G9/10—Pillows
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G9/00—Bed-covers; Counterpanes; Travelling rugs; Sleeping rugs; Sleeping bags; Pillows
    • A47G9/10—Pillows
    • A47G9/1027—Details of inflatable pillows
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G9/00—Bed-covers; Counterpanes; Travelling rugs; Sleeping rugs; Sleeping bags; Pillows
    • A47G2009/003—Bed-covers; Counterpanes; Travelling rugs; Sleeping rugs; Sleeping bags; Pillows with inflatable members

Definitions

  • the present invention relates to a pillow or mattress that includes a foam core, which has the ability to rebound to its expanded shape quickly after pressure is released.
  • Most memory foams are temperature sensitive, and their behavior, or rebound speed, can be influenced by the temperature of the environment around the foam.
  • the rebound speed of memory foam is determined by the density of the foam itself.
  • Latex foam pillows are known. ' They are typically covered in with a cotton fabric and sold on the merits of their elasticity and resiliency. Latex foam is not temperature sensitive, but it rebounds faster than memory foam and changes in the density of the foam does not make much difference in terms of rebound speed.
  • U.S. Published Application No. US 2004/0019972 to Schecter et al discloses a pillow or other cushioning device comprised in part of an upper pocket with a reception cavity for housing a loose or grouped non-integral filler such as down, fiberfill, or the like; an additional lower pocket for receiving an additional filler material; and a flexible core positioned therebetween.
  • Both the first and second pockets may contain a filler material such as down, and the intermediate pocket may contain a core filler such as a visco-elastic foam core (see, for example, claims 40-42).
  • the pillow cover may comprise any suitable material, such as polyester, and woven and unwoven materials.
  • a zipper on one longitudinal end provides the consumer with easy access to the pillow interior. Additionally, different grade fabrics or different type material may be used, such as netting and cloth combination, for the outer cover layer and the upper bottom layer of the pillow.
  • a permeable mattress pad or pillow comprised of a substantially rigid base of cross members, with holes between cross members so as to permit airflow through the mattress base.
  • Cushioning supports attach to various cross members of the base, and a mesh overlays the cushioning members.
  • a cover may also be provided atop the mesh, wherein the cover comprises at least one layer of permeable fabric, permeable foam, permeable fibers, or perforated rubber.
  • U.S. Patent No. 6,230,347 to Alexander provides for an orthopedic comfort pillow comprised of a compliant overlay defining an exterior surface, wherein the overlay is formed of a plurality of partitioned chambers extending parallel to the front and rear edges; and a firmer, supporting core layer disposed beneath the compliant overlay, wherein the supporting core possesses a bulbous front section, a waisted midsection, and a back bolster. Additionally, the chambers of the compliant overlay are filled with compliant particulate material of differing densities, increasing in firmness and support from the front to rear.
  • the firmer, supporting core layer may comprise either an inflatable material or a foam.
  • 6,182,312 discloses an orthopedic pillow comprised of components of varying densities. More specifically, the pillow includes a compressible, resilient core body (e.g. foam) with top and bottom portions, and first and second rounded portions.
  • the core includes at least one opening that extends across its length, with a resilient insert snugly fitting into the opening.
  • a cover of softer foam surrounds the core, and a second opening formed in the cover is designed to receive a second resilient insert.
  • This second insert may be of the same or different compressibility as the first insert, and may comprise down or fibrous material. See also Walpin U.S. Patent No. 6,408,467.
  • Walpin USP 6,317,908 discloses an orthopedic support device comprised of a firm core with recesses at the top of the core to receive a memory foam layer. Atop the memory foam layer rests a cushioning layer. Additionally, a C-shaped boundary layer wraps around a first lengthwise edge of the core, a second surface of the core, and a second edge of the firm core. Finally, disposed within the firm core are one or more inflatable bladders.
  • the firm core may comprise high density polyurethane foam, and the foam layer and C-shaped boundary layer both may be constructed of visco-elastic memory foam.
  • the bladders may be inflated with either air or water.
  • An object of the present invention is to provide a foam core pillow or mattress that has both a fast and a slow rebound speed.
  • FIG. 1 illustrates a pillow in accordance with one embodiment of the present invention
  • Fig. 2 illustrates a cross sectional view of the pillow of Fig. 1, along the line 2-2, in accordance with one embodiment of the present invention
  • Fig. 3 illustrates a cross sectional view of the outer cover of Fig. 2, along the line 3-3, in accordance with one embodiment of the present invention.
  • Fig. 4 illustrates a partial cut-away view of a pillow in accordance with one embodiment of the present invention.
  • the invention will be described in general with reference to Figs. 1 through 4.
  • the same principles discussed at length here regarding a pillow embodiment of the invention also apply for a mattress embodiment, with the exception of minor design adjustments for the general shape and size of the mattress. So, from here on we refer to the invention as it relates to pillows, keeping in mind that the same general principles would apply to the mattress design.
  • the present invention is a complete airflow system for the pillow that allows the user to control the speed at which the pillow regains its original shape.
  • the inventor sought to create a pillow that functions like memory foam, but allows the rebound speed to be controlled (which no "memory foam" pillow can do) and feels soft like down while still maintaining excellent rebounding and elasticity properties.
  • the inventor believes that he has accomplished just that with the present design.
  • the pillow when the pillow is set to rebound slowly, it feels firmer, and when it is set to rebound quickly, it is softer. That is, the feel and comfort of the pillow is improved by being able to set the rebound speed, because there is a direct correlation between rebound speed and softness/firmness.
  • the airflow device actually allows the user to adjust the softness/firmness of the pillow.
  • the airflow device is closed or slightly open, the pillow will feel firmer, and when it is open the pillow will feel softer.
  • the logic behind this is the same logic as the effect of rebound speed. The less air you release over a given period of time, the firmer the pillow feels and the slower it gets pressed down at a given force.
  • the pillow is composed of three main components: 1) a breathable foam core (ideally latex foam), 2) two layers of fabric covering, the inner-most of which is non-breathable (see Figs. 1-4), and 3) one or more airflow devices strategically placed on the side(s) of the pillow to allow the user to regulate/adjust the flow of air in and out of the foam core section of the pillow.
  • the outermost layer of fabric A (again, see Figs.
  • the one everyone will see from the outside may be made of a standard cotton or polyester material, or any other suitable material.
  • the layer C under the fabric layer A is made of a non- woven material that is not permeable to air (any non-breathable material will do here, however).
  • soft material B such as goose down (or duck down, synthetic down, silk, shredded latex, shredded polyurethane (PU), cotton fiber-fill, synthetic fiber-fill, any combination therefore, and/or other similar materials
  • PU polyurethane
  • a breathable foam material in this case, latex, but any standard, highly breathable PU foam would work
  • a cover that is not breathable, leaving only an airflow device on the side to allow air to flow in and out of the pillow.
  • This airflow device (to be discussed in more detail below) can be opened and closed to various points to control the speed of the airflow in and out of the pillow.
  • the airflow device makes the breathable foam material behave like a memory foam, providing the advantages of memory foam, without the disadvantages discussed above. The key to this effect is that latex foam, and other highly breathable foams, get their elasticity (rebounding properties) by releasing air from the pillow and sucking air back into the pillow.
  • the airflow device E (described below) is the only breathable part of the pillow.
  • the inner-most layer C which is the layer that encases the foam directly.
  • the main function of the layer C is to make the pillow cover such that it is not breathable. So, whether it is plastic or a material coated in plastic, or any other non-breathable material/coating, the important point is that the function remains the same; it is not breathable. It is also ideal, but not necessary, that the material be soft and not crackle when pressure is applied to the pillow.
  • the material that we intend to use for mass production is a coated piece of synthetic fabric that is often used as an inner lining in down clothing. It is considered within the skill or the ordinary artisan to find alternative, non-breathable suitable materials.
  • the layer of filling B that can be provided between the non-breathable layer C (mentioned above) and the outer cover A adds a layer of cushioning to the pillow, as well as enhances the memory feel of the pillow.
  • This layer could be made from, for example down, synthetic down, silk, shredded latex, shredded polyurethane foam, cotton fiber-fill, or synthetic fiber-fill, or any combination thereof.
  • the down would suck in air from the top layer (the cotton outer layer), and recover slowly like the foam beneath it.
  • the rebound of the down is enhanced by the rebound of the foam, so that unlike a regular down pillow, it always regains its shape.
  • the layer of down is not crucial to the invention either.
  • the pillow can function without the layer of down.
  • the other filling materials noted above if there is only the plastic coated non-breathable layer of fabric above the foam, and then the layer of cotton above that non-breathable layer, the pillow still has a unique slow rebounding effect that can be controlled to various speeds by the airflow device (described below).
  • the down layer is, of course, a possible feature of the invention, but the invention is characterized by surrounding breathable latex foam with a non-breathable cover (with the exception of the air flow device) such that the rebounding speed of the latex foam can be controlled by the user.
  • the latex foam itself is breathable. It is an elastic foam because it is rubber based, but it gets its elasticity by releasing and absorbing air. Latex foam pillows are often designed with pin-holes throughout the pillow to help this airflow throughout the foam. Pillows according to the present invention can be designed with more pin-holes (over 1000 on a 26x20x7 standard size pillow) than many other latex pillows to make them even more "breathable,” so to speak. However, even without the pin-holes, the latex foam remains breathable enough for the device to work, but the more pin-holes there are in the pillow the more breathable it is, and the more breathable it is the higher the degree of functionality in the invention.
  • the present invention has a completely different functionality to standard latex foam (and other foams, like memory foam) pillows.
  • By controlling the amount of air that can flow in and out of the pillow we are changing the way the latex foam behaves.
  • latex foam gets its excellent elasticity from air flow in and out of the pillow (it literally naturally sucks air back and returns to the same shape every time at a high speed), we can alter the pillow's behavior by regulating the amount of air that flows in and out of the pillow.
  • the invention is the combination of materials (latex foam core, non-breathable layer encompassing the core, device that regulates air flow in and out of the pillow) to create this special "pillow," or a system, that provides the user with the ability to control rebound speed.
  • the first is a zipper-based construction.
  • the zipper can be plastic or metallic.
  • the zipper head must be able to open and close to specific points without sliding back and forth along the zipper when air pressure is applied. This is important because the opening will be the source of some degree of air pressure from the air flowing in and out, and if the zipper slides easily the size of the opening will alter and the feel of the pillow will change without the user intending that it do so.
  • a pillow regardless of the composition of its layers (in other words, whether there is down, shredded foam, silk, or some other filling material between the non-breathable layer and the outer cover) the pillow usually have one or two zippers (one on either longitudinal side when there are two); a large zipper (large referring to length, not zipper head size) that may be used to take the foam core in and out of the cover and double as an airflow device, and/or, on another side of the pillow, a slightly smaller (smaller referring to length, not zipper head size) zipper (typically about half to two-thirds the width of the pillow) that can be used as an airflow device only.
  • a pillow including a full-length zipper on one end, and an airflow device on the other end, the latter not extending the full length of the pillow, is shown in Fig. 1.
  • the airflow device may extend along the entire side.
  • the airflow device and the zipper may be one and the same, so that there is only one zipper in the pillow.
  • the airflow device and a separate zipper may both be large enough to serve as holes that one may use to take the foam core out of the pillow or put it back in.
  • the advantage to creating two airflow devices is that the air can flow more evenly through the pillow, creating a more even rebound effect, and the variation in rebound speeds will be greater because there is more "opening" to work with; the greater the size of the opening the greater the amount of air that flows into the pillow the faster the rebound speed.
  • the zippers can be coated with plastic on the inside to ensure that only where the zipper is open can the air flow in and out of the pillow.
  • a Ziploc® zipper device similar to the ones used on Ziploc® bags, can also be used but would not be as reliable over time as a standard zipper.
  • Other airflow regulation devices of different compositions can be used, the only requirement is that one can regulate the size of the opening to control the airflow in and out of the pillow.
  • the difference between the zipper(s) that we use as our airflow device(s) and standard zippers or standard pillows is that the express purpose of having this type of zipper is to allow one to control the amount of air flowing into the pillow, not to take the pillow out of its case. It just so happens that because we want to allow for a high degree of rebound adjustability, in some cases we will make a zipper the full-length of the pillow side, and therefore the zipper can double as an opening for taking the pillow in and out of the case.
  • the air flow zipper can also be made smaller than a standard zipper for removing a foam pillow from its case (about half the size), and we can locate to such zippers, one on each side, to create a high degree of rebound variation for the user.
  • the variety of zipper sizes and locations is great; the main point is that the function of the zippers is different from that of a standard pillow, and while some embodiments of the invention may give the appearance that the zipper is being used in the same way that standard pillow zippers are used (to take the pillow in and out of the case), this is really not the case.
  • the main purpose of zippers on any embodiment of this invention should always be the regulation of airflow in and out of the pillow. The idea is to allow one to change the feel of the pillow as far as the speed it recovers back to normal shape after pressure is released (by controlling the amount of air flowing in) to suit the preferences of individual users.
  • embodiments will usually have one or two zippers
  • the invention is not limited to two zippers only.
  • the new behavior is extremely similar to memory foam (a foam developed by NASA that reacts similarly to the invention described here - it is not rubber-based, and the reaction is achieved by the chemical composition of the foam itself, not by placing the foam in any kind of cover - it is a temperature sensitive foam).
  • memory foam a foam developed by NASA that reacts similarly to the invention described here - it is not rubber-based, and the reaction is achieved by the chemical composition of the foam itself, not by placing the foam in any kind of cover - it is a temperature sensitive foam.
  • memory foam a foam developed by NASA that reacts similarly to the invention described here - it is not rubber-based, and the reaction is achieved by the chemical composition of the foam itself, not by placing the foam in any kind of cover - it is a temperature sensitive foam.
  • the construction allows the user to adjust the softness or firmness of the pillow: when the airflow device is closed or slightly open, the pillow will feel firmer, and when it is open, the pillow will feel softer.

Abstract

L'invention concerne un matelas ou un coussin à noyau de mousse comprenant un noyau de mousse respirant (D) sous forme de coussin ou de matelas, une housse externe (C) destinée à couvrir le noyau de mousse (D), formé d'au moins une couche de matériau non respirant, une couche de tissu de revêtement respirant (A), et un dispositif d'écoulement d'air (E) pouvant être sélectivement ouvert ou fermé afin de réguler l'écoulement de l'air à travers le noyau de mousse (D).
PCT/US2005/021703 2004-06-18 2005-06-20 Coussin ou matelas a noyau de mousse permettant le reglage de la vitesse de rebond WO2006009974A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US58039804P 2004-06-18 2004-06-18
US60/580,398 2004-06-18

Publications (1)

Publication Number Publication Date
WO2006009974A1 true WO2006009974A1 (fr) 2006-01-26

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PCT/US2005/021703 WO2006009974A1 (fr) 2004-06-18 2005-06-20 Coussin ou matelas a noyau de mousse permettant le reglage de la vitesse de rebond

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US (1) US20060031996A1 (fr)
TW (1) TW200611659A (fr)
WO (1) WO2006009974A1 (fr)

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US8448273B2 (en) 2008-10-29 2013-05-28 Smartsilk Corporation Inc. Pillow and cover for a pillow
WO2010099614A1 (fr) * 2009-03-03 2010-09-10 Smartsilk Corporation Inc. Housse pour matelas
US9167919B2 (en) 2009-03-03 2015-10-27 Smartsilk Corporation Inc. Cover for a mattress
WO2013001132A1 (fr) * 2011-06-29 2013-01-03 Servicio Andaluz De Salud Oreiller d'hôpital
CN103767394A (zh) * 2012-10-22 2014-05-07 八乐梦医用床有限公司 床垫装置
CN103349454A (zh) * 2013-07-24 2013-10-16 太仓市佳玲塑料制品有限公司 多层腰垫
CN104352128A (zh) * 2014-11-27 2015-02-18 王俐帧 一种抱枕
EP3386350A4 (fr) * 2015-12-11 2019-08-07 Ronie Reuben Construction d'oreiller garni de duvet
US10925418B2 (en) 2015-12-11 2021-02-23 Ronie Reuben Down-fill pillow construction

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