Single piece foam toppers with perimeter areas having...

A - Human Necessities – 47 – C

Patent

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Details

A47C 27/05 (2006.01) A47C 27/14 (2006.01)

Patent

CA 2465578

A selectively contoured single unibody foam piece (10) for use as a layer in a cushioned load bearing structure has a first zone (121) with a first surface topography having distinct support properties from a second zone (122) with a second surface topography. The zones (121, 122) of differing topography are formed in the surface of a single, unibody piece of foam (10) by applicable foam cutting techniques. Patterned removal of foam material from a single piece (10) creates zones (121, 122) with different density, ILD or other load bearing properties with different support and feel characteristics. A single unibody component (10) in a responsive flexible support structure has distinct zones (121, 122) with distinct support characteristics, the zones corresponding in location with the anticipated loads and loading patterns of a flexible support device in use.

Un élément (10) en mousse monobloc sélectivement profilé destiné à être utilisé en tant que couche dans une structure capitonnée de support de charge comprend une première zone (121) ayant une première topographie de la surface qui présente des propriétés de support distinctes de celles d'une deuxième zone (122) ayant une deuxième topographie de la surface. Les zones (121, 122) ayant une topographie différente sont formées dans la surface d'un élément (10) en mousse monobloc unique, au moyen de techniques de découpe de la mousse appropriées. L'élimination de la matière de mousse selon un motif prédéterminé, de l'élément unique (10) crée des zones (121, 122) ayant une densité différente, un ILD ou d'autres propriétés de support de la charge ayant des caractéristiques différentes de support et de comportement. Un constituant (10) monobloc unique incorporé dans une structure de support souple et nerveuse comprend des zones distinctes (121, 122) présentant des caractéristiques de support distinctes, les zones correspondant, par leur position, aux charges anticipées et aux types de charge d'un dispositif de support souple, en utilisation.

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