Title:
PIPE JOINT MECHANISM AND PIPE JOINT
Document Type and Number:
Japanese Patent JP2020112251
Kind Code:
A
Abstract:
To reduce replacement frequency of a pipe joint, which is connected to a connected member by screwing, and the connected member.SOLUTION: A pipe joint includes: a sleeve being a tubular member and having a through hole forming a passage, a flange part through which the through hole passes, and a protruding part which is provided on a connection end side surface of the flange part so as to protrude and in which the through hole passes and an opening of the through hole is provided at a protruding tip; a fastening member which is a tubular member covering a part of the sleeve from an outer periphery and in which its end at the connection end side has a portion which contacts with a pipeline side surface of the flange part and a screw part for screwing into the connected member is provided at an outer periphery; and a ring shaped gasket which is disposed so as to enclose an outer periphery of the protruding part. Fastening by the fastening member causes the facing surface to press and deform the gasket and thereby achieve a function of a surface seal before the protruding tip of the sleeve contacts with the connected member to achieve a function of a line seal.SELECTED DRAWING: Figure 1
Inventors:
NAKATANI YASUTAKA
TASHIRO NAOKI
TASHIRO NAOKI
Application Number:
JP2019005214A
Publication Date:
July 27, 2020
Filing Date:
January 16, 2019
Export Citation:
Assignee:
KACHI TEC KK
International Classes:
F16L17/08; F16J15/08
Domestic Patent References:
| JP2001289374A | 2001-10-19 | |||
| JP2002022074A | 2002-01-23 | |||
| JP2007162730A | 2007-06-28 | |||
| JPH03134394A | 1991-06-07 | |||
| JPS63178686U | 1988-11-18 |
Foreign References:
| GB1279505A | 1972-06-28 | |||
| US1815002A | 1931-07-14 |
Attorney, Agent or Firm:
Global IP Tokyo Patent Business Corporation