ES2316212B1 - MANUFACTURING PROCEDURE FOR ELASTIC BASES, ELASTIC BASES AS WELL OBTAINED AND MOLD USED FOR MANUFACTURING. - Google Patents
MANUFACTURING PROCEDURE FOR ELASTIC BASES, ELASTIC BASES AS WELL OBTAINED AND MOLD USED FOR MANUFACTURING. Download PDFInfo
- Publication number
- ES2316212B1 ES2316212B1 ES200600098A ES200600098A ES2316212B1 ES 2316212 B1 ES2316212 B1 ES 2316212B1 ES 200600098 A ES200600098 A ES 200600098A ES 200600098 A ES200600098 A ES 200600098A ES 2316212 B1 ES2316212 B1 ES 2316212B1
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- Prior art keywords
- mold
- elastic base
- manufacturing
- lower half
- elastic
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Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 238000005187 foaming Methods 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 239000006260 foam Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 241000238876 Acari Species 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000774 hypoallergenic effect Effects 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/12—Moulds or cores; Details thereof or accessories therefor with incorporated means for positioning inserts, e.g. labels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B68—SADDLERY; UPHOLSTERY
- B68G—METHODS, EQUIPMENT, OR MACHINES FOR USE IN UPHOLSTERING; UPHOLSTERY NOT OTHERWISE PROVIDED FOR
- B68G5/00—Resilient upholstery pads
- B68G5/02—Resilient upholstery pads of cellular material, e.g. sponge rubber
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mattresses And Other Support Structures For Chairs And Beds (AREA)
Abstract
Procedimiento de fabricación de bases elásticas, bases elásticas así obtenidas y molde empleado para su fabricación.Procedure for manufacturing elastic bases, elastic bases thus obtained and mold used for its manufacturing.
Consiste en un procedimiento de espumación en caliente en el que se emplean unos semimoldes (1, 2) en el interior de los cuales se introduce el líquido espumable para obtener un producto espumado, que es posteriormente prensado mediante al menos un rodillo (5) para apertura de las células alveolares del producto espumado y obtención de una base elástica (12), tal como un colchón o una almohada, constituida por una estructura de células abiertas transpirable.It consists of a foaming procedure in hot in which semi-molds (1, 2) are used inside of which the foamable liquid is introduced to obtain a foamed product, which is subsequently pressed by at least a roller (5) for opening the alveolar cells of the product foaming and obtaining an elastic base (12), such as a mattress or a pillow, consisting of an open cell structure breathable
Description
Procedimiento de fabricación de bases elásticas, bases elásticas así obtenidas y molde empleado para su fabricación.Procedure for manufacturing elastic bases, elastic bases thus obtained and mold used for its manufacturing.
La presente invención es de aplicación para la fabricación de bases elásticas de material espumable tales como colchones y almohadas.The present invention is applicable to the manufacture of elastic foamable bases such as mattresses and pillows
Es objeto de la invención un procedimiento de fabricación concebido para la obtención de una base elástica higiénica e hipoalergénica que disponga de acanaladuras a través de las cuales se favorezca la circulación de aire, así como de una estructura porosa abierta que facilite su transpirabilidad.The object of the invention is a process of manufacturing designed to obtain an elastic base hygienic and hypoallergenic that has grooves through which favors air circulation, as well as a Open porous structure that facilitates breathability.
Es asimismo objeto de la invención el molde empleado para la fabricación de esta base elástica y la base elástica obtenida mediante este procedimiento.The mold is also the object of the invention. used to manufacture this elastic base and base elastic obtained by this procedure.
En algunos colchones de material espumable se contemplan soluciones para facilitar la aireación del colchón por su cara superior y/o inferior, entre las que se encuentra por ejemplo la representada en la patente de invención ES 2 017 907 que muestra una serie de alvéolos en su cara inferior, y unas ranuras en la cara superior. Los citados alvéolos se definen con forma de zig-zag para evitar que las tablillas del somier taponen algunos alvéolos.In some mattresses of foamable material contemplate solutions to facilitate aeration of the mattress by its upper and / or lower face, among which is found by example that represented in the invention patent ES 2 017 907 which it shows a series of alveoli in its inferior face, and some grooves in the upper face The cited alveoli are defined as zigzag to prevent slatted slats plug some alveoli.
En la patente de invención ES 2 146 513 se describe un procedimiento de fabricación de colchones de material espumable en el que se ha previsto el empleo de sendos semimoldes en cuyo fondo se encuentran situadas correspondientes tapas que constituirán las superficies de descanso del colchón. Cerrado el molde se procede a la espumación en su interior para obtener las tapas íntimamente ligadas al material espumado constitutivo del núcleo del colchón.In the invention patent ES 2 146 513 describes a material mattress manufacturing process foamable in which the use of two half-molds in whose bottom are located corresponding caps that they will constitute the mattress resting surfaces. Closed on mold is foamed inside to obtain the caps intimately linked to the foamed material constituting the mattress core.
Como continuación de esta patente se encuentra el certificado de adición ES 2 150 336 que se refiere a un colchón de especial aplicación para somieres reclinables en el que se contempla la introducción, en determinadas zonas del colchón, de unos machos al término de la fase de espumación, que dan lugar a vaciados u orificios que debilitan la sección y facilitan el acodamiento del colchón, que acompaña los movimientos de abatimiento del somier.As a continuation of this patent is found the certificate of addition ES 2 150 336 which refers to a mattress of special application for reclining bed bases in which contemplates the introduction, in certain areas of the mattress, of males at the end of the foaming phase, which give rise to emptying or holes that weaken the section and facilitate the mattress bending, which accompanies dejection movements of the bed base.
Por otra parte son conocidos un tipo de colchones que incorporan un receptáculo perimetral elástico cerrado por su base y laterales, que recibe por su cara superior unos módulos elásticos de diferente grado de firmeza, intercambiables y de fácil montaje que se ubican de acuerdo con una selección personalizada del usuario en unos compartimentos delimitados e independizados por unos tabiques separadores a fin de evitar la superposición entre los módulos o entre elementos elásticos pertenecientes a módulos contiguos.On the other hand a type of mattresses that incorporate a closed elastic perimeter receptacle by its base and sides, which receives on its upper face some elastic modules of different degree of firmness, interchangeable and easily assembled that are located according to a selection user custom in a delimited compartments and independent by separating partitions in order to avoid overlap between modules or between elastic elements belonging to adjacent modules.
Otro tipo de colchones conocidos incorporan un bloque de espuma, preferiblemente moldeada, que recibe unas inserciones tubulares en las que se insertan unos núcleos macizos de elasticidad variable en correspondencia con distintas zonas de apoyo del cuerpo del usuario, así como incorpora una capa superior de espuma, preferentemente viscoelástica, sobre la que apoya el cuerpo del usuario que se deforma elásticamente por el peso en diferentes sectores y en distinto grado, en función de las inserciones tubulares y núcleos macizos introducidos, y que recobra su posición plana al retirarse el usuario.Other types of known mattresses incorporate a foam block, preferably molded, which receives some tubular inserts in which solid cores of variable elasticity in correspondence with different areas of User body support, as well as incorporates a top layer foam, preferably viscoelastic, on which the body of the user that is elastically deformed by the weight in different sectors and to different degrees, depending on the tubular inserts and solid cores introduced, and recovering its flat position when the user withdraws.
De modo general se utilizan materiales espumables para conformar el colchón, que son introducidos en estado líquido en un molde y crecen a medida que van solidificándose hasta adquirir la forma del interior del molde. El colchón así obtenido normalmente presenta una estructura de células alveolares cerradas.In general materials are used foamable to form the mattress, which are introduced in the state liquid in a mold and grow as they solidify until acquire the shape of the inside of the mold. The mattress thus obtained normally has a structure of alveolar cells closed.
Igualmente una de las características que deberá satisfacer un colchón es que sea transpirable y que haya un buen flujo de aire para evitar la aparición de ácaros.Equally one of the characteristics that should satisfying a mattress is that it is breathable and that there is a good air flow to prevent the appearance of mites.
La presente invención propone un procedimiento de fabricación de bases elásticas, tales como colchones o almohadas, que viene a optimizar las condiciones en las que se realiza la espumación y el acabado final de la base elástica para la obtención de una estructura fácilmente transpirable y que al mismo tiempo resulta silenciosa, confortable y con características hipoalergénicas e higiénicas, así como con capacidad de recuperar su forma inicial.The present invention proposes a procedure of manufacturing elastic bases, such as mattresses or pillows, which comes to optimize the conditions in which the Foaming and final finishing of the elastic base for obtaining of an easily breathable structure that at the same time It is silent, comfortable and with features hypoallergenic and hygienic, as well as with the ability to recover their initial form
El procedimiento comporta el empleo de un molde conformado por dos semimoldes que cuentan, en una posible realización y en al menos uno de ellos, con medios de calentamiento que pueden consistir en una serie de conductos interiores por los que circula un líquido calentado que favorece que se produzca una espumación rápida del líquido introducido a partir del que se conforma la base elástica.The procedure involves the use of a mold made up of two half-molds that count, in a possible realization and in at least one of them, with heating means which may consist of a series of inner ducts by circulating a heated liquid that favors the occurrence of a rapid foaming of the liquid introduced from which it It forms the elastic base.
Previamente a la introducción del líquido espumante se rocía el molde con un líquido desmoldeante que hace más fácil la salida del producto final una vez moldeado.Prior to the introduction of the liquid sparkling mold is sprayed with a mold release liquid that does more Easy exit of the final product once molded.
Los semimoldes incorporan una serie de vástagos verticales que parten desde su base, los cuales durante la espumación del líquido definirán una serie de perforaciones verticales en el producto moldeado, asimismo el molde dispone de unas aberturas laterales para la introducción de unos vástagos transversales durante la espumación, que posteriormente pueden extraerse dando lugar a unas perforaciones transversales en el producto moldeado.The half-molds incorporate a series of stems verticals that start from its base, which during the liquid foaming will define a series of perforations vertical in the molded product, the mold also has side openings for the introduction of stems transverse during foaming, which can subsequently be extracted leading to transverse perforations in the molded product
Estas perforaciones verticales y transversales fomentan la circulación de aire a través del colchón. En algunas realizaciones se contempla que los insertos sean fijos, de materiales rígidos o flexibles, macizos o huecos, elásticos (consistentes en espumas de mayor densidad) o por ejemplo bolsas de aire cerradas, inserciones metálicas, muelles, etc, los cuales quedan alojados en el interior de la base elástica confiriéndola características de refuerzo, confort adaptabilidad o personalización en determinadas zonas de la misma.These vertical and transverse perforations promote air circulation through the mattress. In some embodiments it is contemplated that the inserts are fixed, of rigid or flexible materials, solid or hollow, elastic (consisting of higher density foams) or for example bags of closed air, metal inserts, springs, etc., which they are housed inside the elastic base conferring it reinforcement characteristics, comfort adaptability or customization in certain areas of it.
La estructura de la base elástica espumada está constituida por alvéolos celulares que después de la espumación se encuentran cerrados. De acuerdo con la presente invención se propone que, a continuación de la espumación, el producto moldeado pase a través de unos rodillos que aplican presión sobre el mismo determinando la rotura o apertura de los alvéolos celulares, eliminando así las bolsas de aire y fomentando la transpirabilidad.The structure of the foamed elastic base is constituted by cellular alveoli that after foaming They are closed. In accordance with the present invention it is proposed that, after foaming, the molded product passes to through rollers that apply pressure on it determining the breakage or opening of the cellular alveoli, thus eliminating airbags and promoting breathability
De esta forma se consigue obtener una base elástica de estructura porosa en el que existe un flujo de aire permanente que evita la aparición de ácaros, contribuyendo por tanto a satisfacer las condiciones de higiene y durabilidad de la base elástica. Asimismo como consecuencia de la particular geometría y del material empleado para la espumación se consiguen unas altas prestaciones en cuanto a confort y silencio durante el movimiento del cuerpo.This way you get a base elastic porous structure in which there is an air flow permanent that prevents the appearance of mites, contributing therefore to satisfy the conditions of hygiene and durability of the base elastic Also as a result of the particular geometry and of the material used for foaming, high levels are achieved performance in terms of comfort and silence during the movement of the body.
Igualmente la base elástica, en el caso de un colchón por ejemplo, dispone de gran capacidad para facilitar el deslizamiento del cuerpo y para recuperar la forma inicial.Also the elastic base, in the case of a mattress for example, has great capacity to facilitate the body slip and to recover the initial shape.
Para complementar la descripción que se está realizando y con objeto de ayudar a una mejor comprensión de las características de la invención, de acuerdo con un ejemplo preferente de realización práctica de la misma, se acompaña como parte integrante de dicha descripción, un juego de dibujos en donde con carácter ilustrativo y no limitativo, se ha representado lo siguiente:To complement the description that is being performing and in order to help a better understanding of the characteristics of the invention, according to an example preferred practical implementation of it, is accompanied as integral part of that description, a set of drawings where with an illustrative and non-limiting nature, what has been represented next:
Figura 1.- Muestra una vista en perspectiva del molde empleado en la fabricación de un colchón de acuerdo con el procedimiento de la invención, durante la pulverización del líquido desmoldeante.Figure 1.- Shows a perspective view of the mold used in the manufacture of a mattress according to the Process of the invention, during the spraying of the liquid release agent
Figura 2.- Muestra una vista en perspectiva del molde en la que se aprecian los vástagos transversales introduciéndose en el molde.Figure 2.- Shows a perspective view of the mold in which the transverse stems are appreciated getting into the mold.
Figura 3.- Muestra una vista en perspectiva en la que aparece la fase de prensado del colchón en el rodillo.Figure 3.- Shows a perspective view in the one that appears the phase of pressing of the mattress in the roller.
Figura 4.- Muestra una vista del colchón finalmente obtenido, en la que se observa en detalle la estructura porosa.Figure 4.- Shows a view of the mattress finally obtained, in which the structure is observed in detail porous
Figura 5.- Muestra una vista del colchón representado en la figura 4, en el que a diferencia de ésta, se incluyen unos insertos.Figure 5.- Shows a view of the mattress represented in figure 4, in which unlike this, it They include some inserts.
A la vista de las figuras se describe a continuación un modo de realización preferente de la invención, más concretamente relativo a un colchón.In view of the figures, a then a preferred embodiment of the invention, more specifically related to a mattress.
Puede observarse que el procedimiento de fabricación de bases elásticas emplea un molde formado por un semimolde inferior (1) y un semimolde superior (2), en este caso y según la figura 1 articulado respecto al semimolde inferior (1), estando dotados ambos semimoldes (1, 2) de una serie de vástagos verticales (3), comprendiendo el procedimiento las etapas de:It can be seen that the procedure of elastic base manufacturing employs a mold formed by a lower half-mold (1) and one upper half-mold (2), in this case and according to figure 1 articulated with respect to the lower half-mold (1), both semi-molds (1, 2) being endowed with a series of stems vertical (3), the procedure comprising the steps of:
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- introducción opcional de vástagos transversales (4), tal y como se observa en la figura 2optional introduction of stems cross sections (4), as shown in figure 2
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- rociado del semimolde inferior (1) y superior (2) con líquido desmoldeante, tal y como se aprecia en la figura 1,sprayed from the lower half-mold (1) and upper (2) with release agent, as seen in the Figure 1,
- --
- introducción opcional de insertos (13), tal y como se observa en la figura 2, en el semimolde inferior (1) o superior (2), previo a la espumación,optional insertion of inserts (13), as seen in figure 2, in the lower half-mold (1) or upper (2), prior to foaming,
- --
- calentamiento de al menos uno de los semimoldes (1, 2),heating of at least one of the half molds (1, 2),
- --
- introducción del líquido espumable en el semimolde inferior (1),introduction of foamable liquid into the lower half mold (1),
- --
- cierre del semimolde superior (2) sobre el semimolde inferior (1) y espumación del líquido,closing of the upper half-mold (2) over the lower half-mold (1) and liquid foaming,
- --
- extracción de los vástagos transversales (4),extraction of the transverse stems (4),
- --
- apertura del semimolde superior (2) para extracción del producto espumado conformado por una estructura de células alveolares,upper half-mold opening (2) for extraction of the foamed product formed by a structure of alveolar cells,
- --
- prensado del producto espumado (11) mediante al menos un rodillo (5), tal y como se aprecia en la figura 3, para apertura de las células alveolares del producto espumado y obtención de un colchón (12) constituido por una estructura porosa de células abiertas (6) del modo representado en la figura 4.pressing the foamed product (11) by at least one roller (5), as shown in the figure 3, for opening the alveolar cells of the foamed product and obtaining a mattress (12) consisting of a porous structure of open cells (6) in the manner shown in the figure Four.
En una posible realización el semimolde inferior (1) está dotado de medios de calentamiento que pueden consistir en una serie de tuberías internas, no representadas, ubicadas en la base y tabiques que definen el semimolde inferior (1), así como muestra unas aberturas (8) en los tabiques para la introducción de los vástagos transversales (4).In a possible embodiment the lower half mold (1) is provided with heating means that may consist of a series of internal pipes, not shown, located in the base and partitions that define the lower half-mold (1), as well as shows openings (8) in the partitions for the introduction of the transverse stems (4).
El colchón finalmente conformado presenta la configuración mostrada en la figura 4, en la que se aprecian una serie de perforaciones verticales (9) originadas por los vástagos verticales (3) y unas perforaciones transversales (10) comunicadas con las perforaciones verticales (9) para facilitar el flujo de aire a través del colchón.The finally shaped mattress presents the configuration shown in figure 4, in which a series of vertical perforations (9) caused by the stems vertical (3) and cross holes (10) communicated with vertical perforations (9) to facilitate air flow Through the mattress.
En detalle ampliado se puede observar la estructura porosa de células abiertas (6) que conforman el colchón, las cuales facilitan la transpiración a través de las mismas.In extended detail you can see the porous structure of open cells (6) that make up the mattress, which facilitate perspiration through them.
En la figura 5 se observa la solución en la que los insertos (13) permanecen fijos en el interior del colchón.Figure 5 shows the solution in which the inserts (13) remain fixed inside the mattress.
Claims (12)
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- rociado del semimolde inferior (1) y superior (2) con líquido desmoldeante,sprayed from the lower half-mold (1) and upper (2) with mold release liquid,
- --
- calentamiento de al menos uno de los semimoldes (1, 2),heating of at least one of the half molds (1, 2),
- --
- introducción del líquido espumable en el semimolde inferior (1),introduction of foamable liquid into the lower half mold (1),
- --
- cierre del semimolde superior (2) sobre el semimolde inferior (1) y espumación del líquido,closing of the upper half-mold (2) over the lower half-mold (1) and liquid foaming,
- --
- apertura del semimolde superior (2) para extracción del producto espumado conformado por una estructura de células alveolares,upper half-mold opening (2) for extraction of the foamed product formed by a structure of alveolar cells,
- --
- prensado del producto espumado (11) mediante al menos un rodillo (5), para apertura de las células alveolares del producto espumado y obtención de un colchón (12) constituido por una estructura porosa de células abiertas (6).pressing the foamed product (11) by at least one roller (5), for opening the cells Alveolar foamed product and obtaining a mattress (12) constituted by a porous structure of open cells (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200600098A ES2316212B1 (en) | 2006-01-17 | 2006-01-17 | MANUFACTURING PROCEDURE FOR ELASTIC BASES, ELASTIC BASES AS WELL OBTAINED AND MOLD USED FOR MANUFACTURING. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200600098A ES2316212B1 (en) | 2006-01-17 | 2006-01-17 | MANUFACTURING PROCEDURE FOR ELASTIC BASES, ELASTIC BASES AS WELL OBTAINED AND MOLD USED FOR MANUFACTURING. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES2316212A1 ES2316212A1 (en) | 2009-04-01 |
| ES2316212B1 true ES2316212B1 (en) | 2010-01-04 |
Family
ID=40434667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES200600098A Active ES2316212B1 (en) | 2006-01-17 | 2006-01-17 | MANUFACTURING PROCEDURE FOR ELASTIC BASES, ELASTIC BASES AS WELL OBTAINED AND MOLD USED FOR MANUFACTURING. |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES2316212B1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2482016B1 (en) * | 2013-01-31 | 2015-05-08 | Flex Equipos De Descanso, S.A. | Base material of a rest element, and manufacturing process of the rest element associated therewith |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3278955A (en) * | 1964-06-11 | 1966-10-18 | Dayco Corp | Foam rubber article |
| US3209380A (en) * | 1964-12-31 | 1965-10-05 | Watsky Benjamin | Rigid mattress structure |
| US3855653A (en) * | 1973-09-17 | 1974-12-24 | Goodyear Tire & Rubber | Method of making a mattress and said mattress |
| EP0046771A1 (en) * | 1980-02-19 | 1982-03-10 | Rondel Limited | Mattress |
| GB2105251A (en) * | 1981-07-16 | 1983-03-23 | New Press Tools Limited | A mould for use in the moulding of plastics materials |
| US4580301A (en) * | 1982-11-19 | 1986-04-08 | Courtaulds Plc | Mattress for supporting the human body |
| GB2290960B (en) * | 1994-07-12 | 1998-10-21 | Robert John Dudley Welch | Wedged patient support mattress |
| US5749111A (en) * | 1996-02-14 | 1998-05-12 | Teksource, Lc | Gelatinous cushions with buckling columns |
| WO2001026883A1 (en) * | 1999-10-12 | 2001-04-19 | Magna Seating Systems Inc. | A mold tool and method for forming a trim covered foam substrate of a seat assembly |
| ITMI20010891A1 (en) * | 2001-04-27 | 2002-10-27 | Fabio Formenti | LATEX FOAM MATTRESS INTEGRATING A STRUCTURE WITH BAGS SPRINGS OR IN OTHER SUPPORTING MATERIAL |
-
2006
- 2006-01-17 ES ES200600098A patent/ES2316212B1/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| ES2316212A1 (en) | 2009-04-01 |
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