Method and device for continuously feeding film

Details Method and device for continuously feeding film Method and device for continuously feeding film

1996-07-31

1998-08-25

Nguyen, John Q.

Winding, tensioning, or guiding

Convolute winding of material

Of discrete sheets or articles

2425644, 242547, 2423975, 242354, 2423903, 2423909, 226 37, B65H 3914, B65H 2002, B65H 2700, B65H 7548

Patent

active

057975604

ABSTRACT:
Films to be fed to a photographic printing apparatus are continuously fed one after another without being spliced together. A continuous film feed device has a case, a film core rotatably mounted in the case, and film presser arms each having a presser roll for pressing the films toward the center of the film core. The films are wound around the film core with their ends overlapped by putting a leading end of each film under a trailing end of the preceding film.

REFERENCES:
patent: 1138483 (1915-05-01), Johnston
patent: 1761592 (1930-06-01), Seidel
patent: 1825782 (1931-10-01), Duff
patent: 4103841 (1978-08-01), Flynn et al.
patent: 4107508 (1978-08-01), Izumi et al.
patent: 4218135 (1980-08-01), Tsuda et al.
patent: 4411725 (1983-10-01), Siegel
patent: 4690344 (1987-09-01), Yokota
patent: 4798375 (1989-01-01), Yamamoto
patent: 4928897 (1990-05-01), Satou et al.
patent: 5400982 (1995-03-01), Collins

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