Title:
SEAL MEMBER AND PIPE JOINT
Document Type and Number:
WIPO Patent Application WO/2021/186865
Kind Code:
A1
Abstract:
An inner ring 4 of a pipe joint 1 is provided with: a cylindrical body 5 that has a communication hole 5a for providing communication between the flow path holes 2c and 8a of a joint body 2 and a tube 8; and an annular primary seal portion 11 that protrudes axially outward from radially inside the axially outer end of the body 5 and is press-fitted into an annular primary seal groove 2d which is formed in the joint body 2. The primary seal portion 11 has a flat surface 11c that is formed so as to taper from the axially inner end to the axially outer end in an axial cross-sectional view and that extends radially inward from the radially outer end 11b of the axially outer end.
Inventors:
KUROSAKI AYUMI (JP)
HIGUCHI SHINGO (JP)
TESHIMA KAZUKIYO (JP)
OHMAE KIYOTAKA (JP)
KATANAYA MASASHI (JP)
HIGUCHI SHINGO (JP)
TESHIMA KAZUKIYO (JP)
OHMAE KIYOTAKA (JP)
KATANAYA MASASHI (JP)
Application Number:
PCT/JP2021/001003
Publication Date:
September 23, 2021
Filing Date:
January 14, 2021
Export Citation:
Assignee:
NIPPON PILLAR PACKING (JP)
International Classes:
F16L19/05; F16J15/10; F16L33/22
Foreign References:
| JP2006132662A | 2006-05-25 | |||
| JP6259873B1 | 2018-01-10 |
Attorney, Agent or Firm:
SUNCREST PATENT AND TRADEMARK ATTORNEYS (JP)
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