Method of producing seat cushion member

Details Method of producing seat cushion member Method of producing seat cushion member

1979-12-11

1982-02-02

Thibodeau, Paul J.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156273, 156281, 156289, 156290, 428198, 428286, B29C 2704, B32B 3114

Patent

active

043137768

ABSTRACT:
A method of and an apparatus for producing a seat cushion member by laminating a sheet of decorative surface material, a sheet of usual polyurethane foam material and a reinforcing web of fabric material in the above order, and subjecting the laminate to heating by a conventional heating unit and, at the same time, to high-frequency dielectric heating by a high-frequency welder to locally fuse required portions of the sheet of usual polyurethane foam material thereby welding the three layers into an integral structure.

REFERENCES:
patent: 3244751 (1966-04-01), Weisman
patent: 3906134 (1975-09-01), Pohl
patent: 3944454 (1976-03-01), Burgheimer

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