Title:
WINDING CORE FOR PHOTOGRAPH PHOTOSENSITIVE MATERIAL
Document Type and Number:
Japanese Patent JP2003002543
Kind Code:
A
Abstract:
To provide a winding core for a photograph photosensitive material having an excellent automatic winding property and reducing a failure in winding.
On this winding core for the photograph photosensitive material, a band type photograph photosensitive material slit by a specified width is wound up without using any tape. The winding core is provided with a groove arranged on the outer circumference part surface, and a ratio between a groove width, a groove depth, and a groove interval ranges from 1:1:1 to 1:1:5.
Inventors:
SHIMIZU NAOKI
YOMO SHINJI
MURAYAMA MASAAKI
YOMO SHINJI
MURAYAMA MASAAKI
Application Number:
JP2001181541A
Publication Date:
January 08, 2003
Filing Date:
June 15, 2001
Export Citation:
Assignee:
KONISHIROKU PHOTO IND
International Classes:
G03C3/00; B65H75/10; (IPC1-7): B65H75/10; G03C3/00