Method and apparatus for making splice indicating holes through

Details Method and apparatus for making splice indicating holes through Method and apparatus for making splice indicating holes through

1993-09-01

1997-01-21

Jones, Eugenia

Cutting

Processes

Plural cutting steps

83 34, 83 44, 83 50, 83 768, 83405, 83451, 83560, 83564, 83614, 156252, B26D 701, B26D 900, B26F 102

Patent

active

055951015

ABSTRACT:
In a method for making splice indicating holes through photographic paper, a long strip of photographic paper web is conveyed in its longitudinal direction and is slit into a plurality of narrow webs, a tail end of the photographic paper web is spliced to a leading end of a new photographic paper web, and a plurality of splice indicating holes are made through the new photographic paper web at positions, which are spaced a predetermined distance from the splice of the new photographic paper web, the predetermined distance being taken in the longitudinal direction of the new photographic paper web, and which coincide with center parts of narrow webs into which the new photographic paper web will later be slit. The method for making splice indicating holes through photographic paper comprises the steps of, before the new photographic paper web is spliced to the previous photographic paper web, making the splice indicating holes through the new photographic paper web, and cutting the new photographic paper web in its width direction and at a position spaced a predetermined distance from the positions, at which the splice indicating holes are made, towards the leading end of the new photographic paper web.

REFERENCES:
patent: 2989883 (1961-06-01), Zimski et al.
patent: 3670612 (1972-06-01), Johnson et al.
patent: 4192209 (1980-03-01), Urbanski
patent: 4243314 (1981-01-01), Bowe et al.
patent: 4285754 (1981-08-01), DiMatteo

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