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 JP6498997
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 through hole 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 the sheet material information part is formed to extend from a portion corresponding to the through hole at an end of the sheet material wound around the core member to a portion adjacent to the through hole on an inner surface of the core member, 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.
Inventors:
Yoshihiro Yamamoto
Application Number:
JP2015080085A
Publication Date:
April 10, 2019
Filing Date:
April 09, 2015
Export Citation:
Assignee:
Takazono Technology Co., Ltd.
International Classes:
B65H26/06; B41J29/48; B65B41/00; B65H75/10
Domestic Patent References:
| JP2008229896A | ||||
| JP362878U | ||||
| JP6061283A | ||||
| JP2004237489A | ||||
| JP5301673A | ||||
| JP2013145438A | ||||
| JP2000351509A |
Attorney, Agent or Firm:
Noboru Fujimoto
Hiroaki Nakatani
Akira Kitada
Hiroaki Nakatani
Akira Kitada