Seat cushion cover member

Details Seat cushion cover member Seat cushion cover member

1980-10-27

1983-03-29

Thibodeau, Paul J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428286, 4283084, B32B 518, B32B 306

Patent

active

043783961

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: 3244571 (1966-04-01), Weisman
patent: 3266066 (1966-08-01), Bereday
patent: 4229240 (1980-10-01), Borgiani

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