Winding – tensioning – or guiding – Convolute winding of material – With cutting – perforating – or notching
Patent
1996-07-26
1999-01-05
Walsh, Donald P.
Winding, tensioning, or guiding
Convolute winding of material
With cutting, perforating, or notching
2423484, 2425263, B65H 3508
Patent
active
058553363
ABSTRACT:
A photosensitive material roll is mounted on a take-up shaft, and a light-shielding film having a width larger than the width of the photosensitive material roll is bonded to the leading end portion of the photosensitive material roll. A pair of slitters are positioned in respective slitting start positions on opposite sides of the leading end portion of the photosensitive material roll and spaced from each other by a distance substantially equal to the width of the photosensitive material roll. The light-shielding film is slit into a predetermined width larger than the width of the photosensitive material roll by moving the slitters away from each other in a direction parallel to the longitudinal axis of the take-up shaft while rotating the take-up shaft to take up the light-shielding film around the photosensitive material roll.
REFERENCES:
patent: 1996782 (1935-04-01), Wood
patent: 3756527 (1973-09-01), Collins et al.
patent: 4445646 (1984-05-01), Karr et al.
patent: 5049928 (1991-09-01), Tirone
patent: 5255040 (1993-10-01), Pagano
patent: 5528326 (1996-06-01), Lawther
Inoue Akihisa
Kikuchi Hisao
Tamai Kyoshi
Uematsu Hideharu
Fuji Photo Film Co. , Ltd.
Rivera William A.
Walsh Donald P.
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