Patent ID: 6397417
Filing Date: 2002-06-04
Classification: A47C,Y10T

Abstract:
A self-inflatable apparatus comprising:a core of open pore foam having a predetermined shape; a dual melt temperature laminate film surrounding said foam, said film having a first surface S1 having a first melting temperature T1 and a first softening temperature, and a second surface S2 having a second melting temperature T2 lower than T1 and a second softening temperature, and wherein at approximately said second melting temperature T2 said second surface S2 has at least partially melted and attached itself to the exterior surface of said core, and said first surface S1 has softened and conformed to said predetermined shape of said core and stretches and moves with said core; and, a valve means passing through said film for selectively communicating air from the outside of said apparatus to said foam core.