Title:
PIPE COUPLING
Document Type and Number:
WIPO Patent Application WO/2024/014338
Kind Code:
A1
Abstract:
Provided is a pipe coupling that makes it possible to determine whether fastening is complete. This pipe coupling comprises: a nipple that is provided along an insertion space of a pipe body; a sleeve that is formed along the outer circumferential surface of the nipple, that is provided so as to surround the outer circumference of the insertion space of the pipe body, and that is capable of deformation in the radial direction; a plurality of divided holders that cover the outer surface of the sleeve in the circumferential direction on the outside of the sleeve and that are provided as separable in the radial direction; and a fastening member that is provided as spanning the plurality of divided holders and that causes the divided holders to approach each other in the radial direction in a manner that reduces the sleeve in diameter. A spacer is disposed between the plurality of divided holders and the sleeve. The spacer is visible between the plurality of divided holders when the fastening is not complete, and becomes completely invisible by being accommodated in a recess of the plurality of divided holders when the fastening is complete.
Inventors:
SUGITA SHUJI (JP)
SHIMIZU KAZUKI (JP)
SHIMIZU KAZUKI (JP)
Application Number:
PCT/JP2023/024601
Publication Date:
January 18, 2024
Filing Date:
July 03, 2023
Export Citation:
Assignee:
TOYOX KK (JP)
International Classes:
F16L33/22
Domestic Patent References:
| WO2021220457A1 | 2021-11-04 | |||
| WO2015156198A1 | 2015-10-15 | |||
| WO2011058877A1 | 2011-05-19 |
Foreign References:
| JPH072694U | 1995-01-13 | |||
| US1532596A | 1925-04-07 | |||
| US1522013A | 1925-01-06 | |||
| GB233963A | 1925-05-21 |
Attorney, Agent or Firm:
EICHI PATENT & TRADEMARK CORP. (JP)
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