Title:
シート材切れ検知機構、ロール体、及び、ロール体の製造方法
Document Type and Number:
Japanese Patent JP6530950
Kind Code:
B2
Abstract:
Provided is a sheet material end detection mechanism including: a sheet material information part indicating information on a sheet material wound around a core member in which a light passing part is formed; a reader configured to optically read the sheet material information part; and a detection unit configured to detect that the sheet material is used up, wherein a forming part is attached to an outer surface of the core member and an inner surface of the sheet material, the sheet material information part is formed in a portion of the forming part corresponding to the light passing part, adhesive force between the sheet material and the forming part is larger than adhesive force between the core member and the forming part, and the detection unit is configured to detect that the sheet material is present when a read signal of the sheet material information part read by the reader is received and that the sheet material is used up when the read signal disappears, during the operation of withdrawing the sheet material.
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Inventors:
Yoshihiro Yamamoto
Application Number:
JP2015080149A
Publication Date:
June 12, 2019
Filing Date:
April 09, 2015
Export Citation:
Assignee:
Takazono Technology Co., Ltd.
International Classes:
B65H75/10; B65B41/00; B65H26/08
Domestic Patent References:
| JP2008229896A | ||||
| JP3062878U | ||||
| JP60061283A | ||||
| JP2004237489A | ||||
| JP5301673A | ||||
| JP2000351509A | ||||
| JP2011207590A |
Attorney, Agent or Firm:
Noboru Fujimoto
Hiroaki Nakatani
Akira Kitada
Hiroaki Nakatani
Akira Kitada