Title:
INNER RING AND PIPE JOINT
Document Type and Number:
WIPO Patent Application WO/2022/014109
Kind Code:
A1
Abstract:
This inner ring 4 of a pipe joint 1 is provided with a bulging part 6 which is formed at an axially outer edge so as to protrude to a radially outer side, and which is pressed into a tip part of a tube 8. A fluid flow path 4a is formed in a radially inner side of the bulging part 6. The bulging part 6 is formed so as to be tapered from an axially inner side toward the axially outer edge in an axial sectional view, and has a flat surface 6e which is formed at the axially outer edge and which extends in the radial direction.
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Inventors:
KUROSAKI AYUMI (JP)
HIGUCHI SHINGO (JP)
TESHIMA KAZUKIYO (JP)
HIGUCHI SHINGO (JP)
TESHIMA KAZUKIYO (JP)
Application Number:
PCT/JP2021/014020
Publication Date:
January 20, 2022
Filing Date:
March 31, 2021
Export Citation:
Assignee:
NIPPON PILLAR PACKING (JP)
International Classes:
F16L19/04; F16L33/22; F16L47/04
Domestic Patent References:
| WO2000028254A1 | 2000-05-18 |
Foreign References:
| JP2018168947A | 2018-11-01 | |||
| JP2012163132A | 2012-08-30 | |||
| JPH0590089U | 1993-12-07 | |||
| JPS5828086A | 1983-02-18 | |||
| JPS54142620A | 1979-11-07 |
Attorney, Agent or Firm:
SUNCREST PATENT AND TRADEMARK ATTORNEYS (JP)
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