Photographic film coater

Details Photographic film coater Photographic film coater

1986-01-13

1987-06-23

McIntosh, John P.

Coating apparatus

With means to apply electrical and/or radiant energy to work...

Radiant heating

118118, 118124, 118223, B05C 108, B05C 1102

Patent

active

046744380

ABSTRACT:
A film coater apparatus applies an ultraviolet light curable coating to the opposite side of filmstrips in which the filmstrip is initially supported at one end on a plastic leader, includes a coater formed with complementary leader guiding passageways in the opposite side walls of the coater which guide the leader through the coater in non-contacting relation to the offset coater applicator rolls and to the smoother bars so that coating material is not built-up on the leader. The coater apparatus is self-threading and includes an inlet drive roll, an ultraviolet light curing chamber, and an outlet drive pinch roll assembly which serves to grip the leader and thereafter to grip and drive the filmstrips through the coater. The outlet pinch rolls provide a draw or tension to the film to assure the desired delivery of the filmstrips through the coater and in contacting relation to the coating and smoothing elements therein.

REFERENCES:
patent: 2199228 (1940-04-01), Obenshain et al.
patent: 2383964 (1945-09-01), Grupe
patent: 2933417 (1960-04-01), McIntyre, Jr.
patent: 4122218 (1978-10-01), Bostrum et al.

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