Title:
LOCK RING AND PIPE JOINT
Document Type and Number:
WIPO Patent Application WO/2018/168614
Kind Code:
A1
Abstract:
This lock ring 30 prevents a pipe body 2 inserted in a pipe joint 1 from becoming dislodged from the pipe joint. The lock ring 30 comprises: an annular ring section 31 and a plurality of plate-like claws 32 which are arranged in the circumferential direction of the ring section and which each extends from the ring section to the inner peripheral side and one side of the ring section in an axial direction. At least some of the plurality of claws have a wave shape in a cross-section perpendicular to the axial direction.
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| JPS5849082 | 【考案の名称】配管結合装置 |
| WO/2010/046627 | PIPE JOINT |
| WO/2021/100291 | PIPE JOINT |
Inventors:
MAEKAWA KENTO (JP)
Application Number:
PCT/JP2018/008845
Publication Date:
September 20, 2018
Filing Date:
March 07, 2018
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
F16L21/08; F16L37/091
Domestic Patent References:
| WO2017029958A1 | 2017-02-23 |
Foreign References:
| US20090194990A1 | 2009-08-06 | |||
| GB2294990A | 1996-05-15 | |||
| JPH02271193A | 1990-11-06 | |||
| US20060125236A1 | 2006-06-15 | |||
| JP2001124264A | 2001-05-11 | |||
| CH541763A5 | ||||
| JP2017048593A | 2017-03-09 | |||
| JP2013234760A | 2013-11-21 |
Other References:
See also references of EP 3597977A4
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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