Gel filled deformable cushion and composition contained therein

C - Chemistry – Metallurgy – 08 – L

Patent

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Details

C08L 91/00 (2006.01) A47C 17/86 (2006.01) A47C 27/08 (2006.01) A61G 7/057 (2006.01) B68G 5/02 (2006.01)

Patent

CA 2223524

This invention provides for an ultra low density gel filled deformable cushion (10) which includes a fluid impervious flexible enclosure (12) forming an internal chamber (14). Contained within the internal chamber (14) is a padding fluid composition (16) and a plurality of particulates (18) dispersed within the padding fluid composition (16). The particulates (18) are spherically contoured and have a density which is less than the density of the padding fluid composition (16) for increasing resiliency, deformability and memory of the overall composition within the cushion (10). The spherically contoured particulates are selected from the group consisting of plastic composition microspheres, ceramic composition microspheres and combinations thereof, thereby exhibiting a bounce effect in the gel.

Ce coussin (10) déformable, rempli d'un gel à densité ultra basse, comprend une enveloppe (12) souple imperméable aux fluides et formant une chambre interne (14) qui contient une composition d'un fluide amortisseur (16) et des particules (18) dispersées dans cette composition (16). Ces particules (18) à contour sphérique présentent une densité inférieure à celle de la composition de fluide amortisseur (16) afin d'accroître la souplesse, la déformabilité et la mémoire de la composition d'ensemble contenue dans ce coussin (10). Ces particules à contour sphérique sont sélectionnées dans le groupe consistant en des microsphères à composition plastique ou céramique et en leurs combinaisons, ce qui permet de produire dans ce gel un effet rebond.

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