Title:
RETAINER AND PIPE JOINT USING SAME
Document Type and Number:
WIPO Patent Application WO/2020/203778
Kind Code:
A1
Abstract:
Provided is a retainer (102) that enables the length of a flexible pipe (200) in an insertion direction to be reduced, and that is able to engage the flexible pipe without requiring operation of another member. This retainer is an annular retainer used in a pipe joint, and comprises a plurality of hook parts (102n, 102nB) for entering a valley portion of a corrugated pipe of a flexible pipe inserted into a pipe joint, a plurality of support parts (102s, 102sB) which are for contacting an inner surface of a pipe joint main body accommodating the retainer in the pipe joint, and which are connected to respective hook parts in the center axis direction of the circle of the retainer, and a connecting part (102c, 102cB) connecting the plurality of pairings of the hook parts and support parts connected to each other. The connecting part is provided so as to undergo elastic deformation more readily than the hook parts and the support parts.
Inventors:
SAKATA SHINDO (JP)
Application Number:
PCT/JP2020/014035
Publication Date:
October 08, 2020
Filing Date:
March 27, 2020
Export Citation:
Assignee:
HITACHI METALS LTD (JP)
International Classes:
F16L37/12; F16L33/00; F16L33/26
Foreign References:
| JP2000193165A | 2000-07-14 | |||
| JP2014013082A | 2014-01-23 | |||
| JP2009079755A | 2009-04-16 |
Other References:
See also references of EP 3951231A4
Attorney, Agent or Firm:
TOKKYO GYOMUHOJIN MEISEI INTERNATIONAL PATENT FIRM (JP)
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