Title:
FLEXIBLE-PIPE JOINT
Document Type and Number:
WIPO Patent Application WO/2023/120520
Kind Code:
A1
Abstract:
Provided is a flexible-pipe joint that makes it possible to eliminate marking work by a builder, and that also makes it possible to easily identify any building defects. The flexible-pipe joint is a pipe joint 1 for connecting a bellows-shaped flexible pipe in which a plurality of peaks and troughs are alternately arranged in an axial direction. The pipe joint is a joint configured so that when the flexible pipe is inserted into the joint from one end section up to a prescribed location, the flexible pipe is thereby sealed and prevented from being dislodged. On one end section on the inner circumferential surface of the pipe joint, a mark assigning portion 9 is present which comes into contact with a cover body for covering the flexible pipe when the flexible pipe is inserted, and thus assigns a mark onto the cover body.
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Inventors:
SAKATA SHINDO (JP)
FUKUSHIMA AKIRA (JP)
FUKUSHIMA AKIRA (JP)
Application Number:
PCT/JP2022/046872
Publication Date:
June 29, 2023
Filing Date:
December 20, 2022
Export Citation:
Assignee:
HITACHI METALS LTD (JP)
International Classes:
F16L33/00
Domestic Patent References:
WO2008117745A1 | 2008-10-02 |
Foreign References:
JP2020179472A | 2020-11-05 | |||
JP2009150407A | 2009-07-09 | |||
JP2012219867A | 2012-11-12 | |||
JP2004084713A | 2004-03-18 | |||
JP2017003010A | 2017-01-05 | |||
JP2006292125A | 2006-10-26 |
Attorney, Agent or Firm:
WAKI Hikaru et al. (JP)
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