Title:
管継手及び係止部材
Document Type and Number:
Japanese Patent JP7182444
Kind Code:
B2
Abstract:
Provided is a pipe joint including a core material into which a pipe body is inserted in a predetermined insertion direction on an outer circumferential side, and a locking member mounted to the core material, the locking member includes a core material engaging portion received in a groove for the locking member that is formed in an outer circumferential surface of the core material, and a pipe body locking portion locking an inner circumferential surface of the pipe body to be inserted into the core material, and in the core material engaging portion, in a natural state of the locking member, a minimum diameter seen from a front side in the insertion direction of the pipe body is smaller than a maximum diameter of a side surface forming the groove for the locking member, the side surface being on the front side, and a minimum value of a perimeter of an inner circumferential surface is larger than a maximum value of a perimeter of a circumscribed circle on the front side of the groove for the locking member in the core material.
More Like This:
| JPS525011 | PIPE JOINT |
| JP3172912 | PIPE JOINT |
Inventors:
Tomoaki Kashiwamata
Application Number:
JP2018231076A
Publication Date:
December 02, 2022
Filing Date:
December 10, 2018
Export Citation:
Assignee:
Bridgestone Corporation
International Classes:
F16L21/08
Domestic Patent References:
| JP2018035928A | ||||
| JP52052990Y2 | ||||
| JP2002535585A | ||||
| JP2271193A | ||||
| JP2017172798A |
Foreign References:
| WO2006037971A1 | ||||
| US20110304137 |
Attorney, Agent or Firm:
Kenji Sugimura
Mitsutsugu Sugimura
Yasuyuki Komatsu
Masahiro Ota
Mitsutsugu Sugimura
Yasuyuki Komatsu
Masahiro Ota
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