Intermediate film storage device

Details Intermediate film storage device Intermediate film storage device

1991-08-29

1993-02-16

Schacher, Richard A.

Sheet feeding or delivering

Feeding

By means to convey sheet

271186, 271291, B65H 714

Patent

active

051864533

ABSTRACT:
An intermediate film storage device for a section of photographic material of limited length comprises feed rolls, exit rolls, intermediate rolls which separate a first buffer from a second buffer, and a guiding device which guides the section of film from the feed rolls to the intermediate rolls. Such an intermediate film storage device serves to equalize different operating speeds of stations for processing photographic material. In so doing, the activity of the processing stations connected in series ahead of the intermediate film storage device should have to be interrupted only for a short time as the intermediate film storage device is being emptied. The intermediate rolls wind the section of film into the first buffer, and rewind it into the second buffer in the opposite direction of motion and at a higher speed, the motion of the section of film in the second buffer being controlled by an arrangement of buffer rolls.

REFERENCES:
patent: 4191369 (1980-03-01), Matsuda
patent: 4673176 (1987-06-01), Schenk
patent: 4714241 (1987-12-01), Randall
patent: 4817933 (1989-04-01), Honjo
patent: 4958828 (1990-09-01), Saito
patent: 4993700 (1991-02-01), Winkler

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