Process for embossing thermoplastic material

Details Process for embossing thermoplastic material Process for embossing thermoplastic material

1986-01-30

1988-05-17

Lowe, James

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

By calendering

264284, 425335, 425343, B29C 5904

Patent

active

047449365

ABSTRACT:
A process for embossing both sides of a sheet of thermoplastic material comprises sequentially passing the sheet between two pair of embossing-counter rollers at controlled relative conditions of temperature and pressure.

REFERENCES:
patent: T868009 (1969-11-01), Davis et al.
patent: 2318111 (1943-05-01), Steinberger
patent: 2442598 (1948-06-01), Harrison et al.
patent: 2446771 (1948-08-01), Knowland
patent: 2928124 (1960-03-01), Hugger
patent: 3882207 (1975-05-01), Hannan et al.
patent: 3950480 (1976-04-01), Adams et al.
patent: 4259285 (1981-03-01), Baumgartl et al.
patent: 4379774 (1983-04-01), Anderson et al.

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