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Title:
WINDING CORE OF ROLLED PHOTOSENSITIVE MATERIAL AND PRODUCTION THEREOF
Document Type and Number:
Japanese Patent JPH03120541
Kind Code:
A
Abstract:

PURPOSE: To simultaneous produce the inner peripheral core and outer peripheral core of the winding core and to simplify stages by producing these cores of the raw sheets of the same raw paper.

CONSTITUTION: The winding core 20 of the rolled photosensitive material is formed of the inner peripheral core 21 formed by winding the raw paper 33f via an adhesive agent to a cylindrical shape and the outer peripheral core 22 formed by winding raw paper 33a on the outer periphery thereof while imparting elasticity to this paper. The cores 21, 22 are produced of the raw sheet 30 of the same raw paper. The raw sheet 30 is cut to a prescribed width in a cutting section 32 to form the raw paper 33a, 33f. The raw paper 33a is knurled and is thereby imparting with the elasticity in a raw paper deforming section 34; thereafter, the adhesive agent is applied on the raw paper 33a, 33f in a gluing section 35. The raw paper 33f, 33a are then successively and spirally wound on an arbor 36 and the unprocessed raw paper 33c is wound thereon, by which the winding core 20 is produced.


Inventors:
SATOU HIROTAKA
SHIMIZU SHIGEHISA
Application Number:
JP1989000259488
Publication Date:
May 22, 1991
Filing Date:
October 04, 1989
Export Citation:
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Assignee:
FUJI PHOTO FILM CO LTD
International Classes:
G03C3/00; B31C3/00; B65H75/10; (IPC1-7): B31C3/00; G03C3/00
Domestic Patent References:
JP1142941B
JPS5723756B21982-05-20
JPS52114733A1977-09-26
JPS61244542A1986-10-30
JP62164343B
JPH0224116U1990-02-16