Pneumatic embossing

Details Pneumatic embossing Pneumatic embossing

1998-03-23

1999-10-26

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Production of continuous or running length

264284, 4253261, 425374, B29C 5902, B29C 5904, B29C 5900

Patent

active

059722800

ABSTRACT:
A method of embossing thermoplastic sheet by continuously advancing thermoplastic sheet through an embossing nip defined by a rotating embossing roll with an engraved surface at elevated embossing temperature and an opposite fixed rigid concave member and pneumatically forcing the sheet against the engraved surface while within and continuously passing through the nip.

REFERENCES:
patent: 3157723 (1964-11-01), Hochberg
patent: 3535740 (1970-10-01), Frowde
patent: 4671913 (1987-06-01), Gen et al.
patent: 5211903 (1993-05-01), Reifenhauser

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