Method of embossing thermoplastic material

Details Method of embossing thermoplastic material Method of embossing thermoplastic material

1990-07-29

1993-01-26

Aftergut, Jeff H.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156322, 156499, 156553, 264284, B29C 5902, B32B 3116

Patent

active

051819813

ABSTRACT:
An embossing apparatus is disclosed as having a unique, perforated stainless steel platen which is fixedly disposed vertically above a nip which is formed between an embossing roll and a backup roll, both of which are designed to rotate about horizontal axes. The platen is curved so as to slidably support a sheet of thermoplastic material, as it moves from a generally horizontal position on the platen to a vertical position as it exits the platen downwardly into the nip. Means are provided above and below the platen for heating the platen and helping heat the sheet of thermoplastic material as it travels along the fixed platen.

REFERENCES:
patent: 2224370 (1940-12-01), Wescott
patent: 2674299 (1954-04-01), Bruker
patent: 2776451 (1957-01-01), Chavannes
patent: 4105491 (1978-08-01), Haase et al.

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