Production of a flat thermoplastic film by passing the film over

Details Production of a flat thermoplastic film by passing the film over Production of a flat thermoplastic film by passing the film over

1973-08-16

1977-04-12

White, Robert F.

Plastic and nonmetallic article shaping or treating: processes

Reactive gas or vapor treatment of work

Work is organic material

264 93, 264216, 425224, B29D 702

Patent

active

040175758

ABSTRACT:
In the casting of molten thermoplastic web onto a moving quenching surface, the improvement which comprises passing the freshly extruded web over a bearing having a lubricating fluid on the surface thereof.

REFERENCES:
patent: 2987767 (1961-06-01), Berry et al.
patent: 3008185 (1961-11-01), Goldman
patent: 3038209 (1962-06-01), Hunter, Jr. et al.
patent: 3061940 (1962-11-01), Cichelli
patent: 3268766 (1966-08-01), Amos
patent: 3423493 (1969-01-01), Klenk et al.
patent: 3468995 (1969-09-01), Nelson

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