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Title:
FASTENING STATE MONITORING KIT AND FASTENING STATE MONITORING METHOD
Document Type and Number:
WIPO Patent Application WO/2019/003564
Kind Code:
A1
Abstract:
[Problem] To provide a novel fastening state monitoring kit with which the fastening state of a screw can be monitored, and a fastening state monitoring method using this fastening state monitoring kit. [Solution] A fastening state monitoring kit (11, 12) comprising a cup 2, a washer 3, and a ring 4 is mounted on a screw N. When fastening is carried out protrusions 5 provided on the ring 4 or the cup 2 are accommodated in recesses 6 provided in the cup 2 or the ring 4, thereby placing cup-side marks 2M provided on the cup 2 and ring-side marks 4M provided on the ring 4 in a fixed positional relationship.

Inventors:
TAKENAKA FUKUYASU (JP)
Application Number:
PCT/JP2018/015044
Publication Date:
January 03, 2019
Filing Date:
April 10, 2018
Export Citation:
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Assignee:
TAKENAKA FUKUYASU (JP)
International Classes:
F16B31/00; B23P19/06; G06K7/10; G06K19/06
Foreign References:
JP2011241865A2011-12-01
JP2005003658A2005-01-06
JPH08278116A1996-10-22
JP2014089068A2014-05-15
US20080058453A12008-03-06
Attorney, Agent or Firm:
SAWA Kiyoji et al. (JP)
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