A - Human Necessities – 47 – C
Patent
A - Human Necessities
47
C
A47C 27/08 (2006.01) B65D 81/05 (2006.01) E04H 15/20 (2006.01)
Patent
CA 2518256
The invention relates to an expandable bladder, and method for making same, having an interior sheet and an exterior sheet extending from a left direction toward a right direction and where the exterior sheet has an inner side and an outer side. The interior sheet is coupled to the inner side of the exterior sheet where the outer side is facing upwardly and the inner side is facing downwardly. The exterior sheet has at least one fold where, upon being subjected to bending, the at least one fold unfolds to provide additional material so that exterior sheet maintains a distance from the interior sheet.
L'invention concerne un boudin expansible et son procédé de fabrication. Ce boudin expansible comprend une feuille intérieure et une feuille extérieure orientées de gauche à droite, la feuille intérieure présentant un côté interne et un côté externe. La feuille intérieure est reliée au côté interne de la feuille extérieure, là ou le côté externe est tourné vers le haut et le côté interne vers le bas. La feuille extérieure comporte au moins un pli qui, en cas de flexion, se déploie et fournit un surcroît de matériau permettant à la feuille extérieure de rester à l'écart de la feuille intérieure.
Hicks & Associates
Trlby Innovative Llc
LandOfFree
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