Title:
管継手
Document Type and Number:
Japanese Patent JP6910587
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To obtain sufficient water tightness, and maintain the water tightness even with external force applied.SOLUTION: A pipe joint 11 includes a connection part 12 externally fitted to an end part of a pipe body 10 to be connected, wherein at a part in an axis direction of an inner peripheral surface of the connection part 12, a moisture expanding material 21 is provided into an annular shape, the moisture expanding material expanding with moisture absorption; and on an outer peripheral surface of the connection part 12, a fastened part 24 is formed, the fastened part fastened so as to push against the pipe body 10 connecting a portion adapted to the moisture expanding material 21.SELECTED DRAWING: Figure 1
Inventors:
Kagetani Etsuo
Shigeru Harada
Jin Terasaka
Shigeru Harada
Jin Terasaka
Application Number:
JP2017080418A
Publication Date:
July 28, 2021
Filing Date:
April 14, 2017
Export Citation:
Assignee:
Meiko Engineering Co., Ltd.
Kyowa Rubber Co., Ltd.
Kyowa Rubber Co., Ltd.
International Classes:
F16L21/02; F16L33/00; F16L33/22
Domestic Patent References:
| JP2016164456A | ||||
| JP2001330184A | ||||
| JP60081379U |
Attorney, Agent or Firm:
Motoaki Nagata
Yoshiaki Nagata
Yoshiaki Nagata