A - Human Necessities – 47 – C
Patent
A - Human Necessities
47
C
A47C 27/08 (2006.01) B32B 31/16 (2000.01) B32B 31/26 (2000.01)
Patent
CA 2333540
A self-inflatable mattress (10) is formed from an open pore foam core (20) which has bonded thereto along the entire outer surface of the core dual melt films (22, 42) which are composed of a low melting point layer (S2) which contacts the foam core (20) and a high melting point layer (S1) which was disposed out of contact of the foam core. Heat and pressure are applied by a suitable means (26, 36, 38) to heat seal the dual films (22, 42) to the foam core (20). Provision is made to include a valve (16) in the self-inflatable mattress (10) which is in communication with the enclosed foam core (20).
Ce matelas auto-gonflable (10) est formé à partir d'un noyau de mousse (20) à alvéoles ouvertes, noyau sur toute la surface extérieure duquel on a fixé un double film en fusion (22, 42) composé d'une couche à bas point de fusion (S2), laquelle entre en contact avec le noyau (20), et d'une couche à point de fusion élevé (S1) déposée de manière à n'être pas en contact avec le noyau de mousse. Pour sceller à la chaleur le double film (22, 42) sur le noyau de mousse (20), on applique de la chaleur et de la pression à l'aide de moyens appropriés (26, 36, 38). On a également prévu de monter une soupape (16) dans ce matelas auto-gonflable (10), laquelle est en communication avec le noyau de mousse enfermé (20).
Fasken Martineau Dumoulin Llp
Switlik Stanley
Switlik Parachute Co. Inc.
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