Title:
FILM EDGE MEASURING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/140551
Kind Code:
A1
Abstract:
The present invention relates to a film edge measuring device, and in particular, to a film edge measuring device characterized by, in order to easily determine whether a film is defective by measuring a degree of protrusion with respect to an edge of the film wound on a paper tube, comprising: a mounting module onto the outside of which the paper tube on which the film is wound is fitted, and which may rotate the film together with the paper tube in a circumferential direction; and a measuring module which is provided to be spaced apart from the film by a predetermined distance at a point corresponding to the edge of the film, and which detects a displacement amount of the edge while the film is being rotated by the mounting module.
Inventors:
CHOI BYUNG KI (KR)
CHOI JAE KOO (KR)
KIM JIN DUK (KR)
RYU KYEONG LI (KR)
CHOI JAE KOO (KR)
KIM JIN DUK (KR)
RYU KYEONG LI (KR)
Application Number:
PCT/KR2023/000391
Publication Date:
July 27, 2023
Filing Date:
January 09, 2023
Export Citation:
Assignee:
ENVICONS CO LTD (KR)
International Classes:
G01N21/892; G01B5/00; G01B11/02; G01N21/88
Foreign References:
| JP2000337827A | 2000-12-08 | |||
| JP2016080372A | 2016-05-16 | |||
| KR100941592B1 | 2010-02-11 | |||
| KR101841955B1 | 2018-05-14 | |||
| KR101901824B1 | 2018-09-27 | |||
| KR102380626B1 | 2022-04-01 |
Attorney, Agent or Firm:
LEE, Dong-Woo (KR)
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