Inflatable mattress and method of making the same

Details Inflatable mattress and method of making the same Inflatable mattress and method of making the same

1983-11-04

1986-11-25

Gallagher, John J.

Stock material or miscellaneous articles

Sheet including cover or casing

Foamed or expanded material encased

5449, 156 87, 156182, 156213, 1563031, 1563066, 156315, 156324, 1563244, 428 76, 428212, 428252, 4283084, 4283166, 4283177, 4283197, B32B 300

Patent

active

046248773

ABSTRACT:
A method of making a self-inflating air mattress comprising an open cell foam core enclosed within, and bonded to, upper and lower sheets. Each sheet is made by heat laminating to an outer substantially nonstretching fiber layer an intermediate solid polymer film layer to which is then heat laminated an inner solid polymer film layer having a melting temperature at which the intermediate film layer is structurally stable. The sheets are pressed against the foam core by heated platens, and afterwards cooled. These particular sheets form a reliable bond and alleviate a problem of creating air leaks through the intermediate film layer.

REFERENCES:
patent: 4129676 (1978-12-01), Guglielmo
patent: 4149919 (1979-04-01), Lea et al.
patent: 4350734 (1982-09-01), Hammond
patent: 4357725 (1982-11-01), Ahlm

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