Method for forming curved plastic film from a flat film

Details Method for forming curved plastic film from a flat film Method for forming curved plastic film from a flat film

1976-10-26

1978-09-26

Pavelko, Thomas P.

Plastic and nonmetallic article shaping or treating: processes

With printing or coating of workpiece

Anti-stick or adhesion preventing coating

264 1, 264292, 264297, 264316, 264322, B29H 2104

Patent

active

041170687

ABSTRACT:
A method for forming a flat, thin polyester film into a curved film using heat, peripheral support for the film, and a single die.

REFERENCES:
patent: 2166215 (1939-07-01), Lloyd
patent: 2208583 (1940-07-01), Hoof
patent: 2270185 (1942-01-01), Dulmage
patent: 2332674 (1943-10-01), Smith
patent: 2406843 (1946-09-01), Luth
patent: 2452999 (1948-11-01), Daly
patent: 3041668 (1962-07-01), Bonza
patent: 3414395 (1968-12-01), Reese
patent: 3496143 (1970-02-01), Siggel
patent: 3608055 (1971-09-01), Long
patent: 4016231 (1977-04-01), Hawkins
patent: 4034054 (1977-07-01), Sauer

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