Leader, methods for attaching the leader to a film and for detac

Details Leader, methods for attaching the leader to a film and for detac Leader, methods for attaching the leader to a film and for detac

1994-03-29

1995-10-31

Rutledge, D.

354339, 354345, 354344, G03D 308

Patent

active

054634415

ABSTRACT:
There are disclosed a leader for use in developing a film, methods for attaching the leader to the film and for detaching it therefrom, and an apparatus for automatically attaching the leader to the film and detaching it therefrom. The apparatus for automatically attaching the leader to the film includes a leader set cover for holding the leader, a leader guide defining an arcuate path, leader feed means for feeding the leader from the leader set cover to the leader guide, leader backing means for backing the leader to a leader controlling part to curve the leader, and film feed means for feeding the film toward an elongated opening of the leader.

REFERENCES:
patent: 1655297 (1928-01-01), Thornton
patent: 2433446 (1947-12-01), Foster
patent: 2590678 (1952-03-01), Caim
patent: 4110774 (1978-08-01), Krehbiel et al.
patent: 4134526 (1979-01-01), Weisser
patent: 4860044 (1989-08-01), Kanai et al.

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