Title:
FILM ROLL AND METHOD FOR PRODUCING FILM ROLL
Document Type and Number:
Japanese Patent JP2017132638
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a film roll that includes a core having improved rigidity without increasing a cost.SOLUTION: The present invention provides a film roll including: a cylindrical core; and a film wound around an outer peripheral surface of the core, the core satisfying the following inequality: D×0.0017+0.50
Inventors:
SAKAMOTO AKINOBU
Application Number:
JP2017011062A
Publication Date:
August 03, 2017
Filing Date:
January 25, 2017
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO
International Classes:
B65H75/10; B65H75/18; H01M50/423; H01M50/403; H01M50/406; H01M50/417
Domestic Patent References:
| JP3172995U | 2012-01-19 | |||
| JP2015120595A | 2015-07-02 | |||
| JP3201628U | 2015-12-17 | |||
| JPH0637255U | 1994-05-17 | |||
| JPS61128256U | 1986-08-12 | |||
| JP3173556U | 2012-02-09 |
Attorney, Agent or Firm:
Kazuya Hasegawa
Kentaro Tsuruta
Kentaro Tsuruta
Previous Patent: A film sticking apparatus and a method
Next Patent: Granular material conveyance mechanism
Next Patent: Granular material conveyance mechanism