Process for embossing flexible sheets of foam material

Details Process for embossing flexible sheets of foam material Process for embossing flexible sheets of foam material

1985-04-30

1988-04-26

Czaja, Donald E.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156220, 156311, 264284, 264321, B32B 518, B29C 5904

Patent

active

047402580

ABSTRACT:
A process is disclosed for the continuous embossing of the surface of flexible (i.e., soft-elastic) sheets or lengths of foam material optionally laminated to a synthetic resin film or a flat textile form or facing wherein the sheet of foam material is superficially plasticized by heating and is exposed to an embossing pressure by means of a perforated metallic embossing belt or band in accordance with a desired embossing pattern. The belt is removed after cooling and solidification of the embossed surface of the sheet of foam material.

REFERENCES:
patent: 2681612 (1954-06-01), Reimann
patent: 2776451 (1957-01-01), Chavannes
patent: 2783175 (1957-02-01), Smith et al.
patent: 2915787 (1959-12-01), Ewing et al.
patent: 3305419 (1967-02-01), Voelker
patent: 3496043 (1970-02-01), Ragan
patent: 3608006 (1971-09-01), Hosoda
patent: 3657036 (1972-04-01), Mullenhoff et al.
patent: 3966383 (1976-06-01), Bussey, Jr. et al.
patent: 4022643 (1977-05-01), Clark
patent: 4229406 (1980-10-01), Pollock
patent: 4364892 (1982-12-01), Rehlen et al.

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