Polymeric film production

Details Polymeric film production Polymeric film production

1976-12-08

1978-09-05

Husar, Francis S.

Plastic article or earthenware shaping or treating: apparatus

Means applying electrical or wave energy directly to work

Electro-static or inductive field

361234, 425404, 425445, B29D 722

Patent

active

041116259

ABSTRACT:
Quenching molten polymeric films, especially polyester films, on casting surfaces by means of a combination of electrostatic and suction pinning.

REFERENCES:
patent: 2878521 (1959-03-01), Kenyon
patent: 3154608 (1964-10-01), Aronsen
patent: 3223757 (1965-12-01), Owens et al.
patent: 3374303 (1968-03-01), Metz
patent: 3427686 (1969-02-01), Busby
patent: 3520964 (1970-07-01), Metz
patent: 3571853 (1971-03-01), Denton et al.
patent: 3779682 (1973-12-01), Huskey et al.
patent: 3820929 (1974-06-01), Busby et al.

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