Film coating and biaxial orienting apparatus

Details Film coating and biaxial orienting apparatus Film coating and biaxial orienting apparatus

1982-09-30

1984-07-03

Lawrence, Evan K.

Coating apparatus

With stretching or tensioning

Transverse

118211, 118325, 118407, B05C 320, B05C 1100

Patent

active

044572549

ABSTRACT:
Film coating and biaxial orienting apparatus comprising a first uniaxial stretching unit for machine direction orientation of the film, a coating device to provide a liquid coating composition in a center band on the film, a second uniaxial stretching unit for transversely orienting the coated film and having edge holders for gripping the film, and a heater for curing the coating under constrained conditions during setting of the film.

REFERENCES:
patent: 2439802 (1948-04-01), Francis, Jr.
patent: 3262808 (1966-07-01), Crooks et al.
patent: 3271178 (1966-09-01), Nadeau et al.
patent: 3506751 (1970-04-01), Lurie
patent: 3988157 (1976-10-01), Van Paesschen et al.
patent: 4197356 (1980-04-01), Arbit
patent: 4222342 (1980-09-01), Johansson et al.
patent: 4299186 (1981-11-01), Pipkin et al.

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