Title:
PIPE JOINT
Document Type and Number:
Japanese Patent JP2021050804
Kind Code:
A
Abstract:
To provide a pipe joint which achieves improvement of fitting while securing workability for connecting a metal pipe to a pipe joint by using a tool.SOLUTION: A pipe joint 1 includes: a resin joint part 10 having a fusion connection part to which a resin pipe is fused to be connected; a metal joint part 30 including a first end part formed with a screw part 33a, to which a metal pipe is connected by fitting of a screw, and a second end part with an outer surface covered by the resin joint part; and an engagement part 40 which exhibits a hexagonal shape when viewed in an axis O direction of the metal joint part and is provided on an outer peripheral surface of the metal joint part. A diameter of an inscribed circle C1 of the engagement part is larger than an outer diameter of a metal joint part side end part in the resin joint part.SELECTED DRAWING: Figure 2
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Inventors:
KUMAGAI HIROAKI
IKEDA MOTOKI
IKEDA MOTOKI
Application Number:
JP2019175650A
Publication Date:
April 01, 2021
Filing Date:
September 26, 2019
Export Citation:
Assignee:
SEKISUI CHEMICAL CO LTD
International Classes:
F16L21/00; F16L21/08; F16L47/02
Domestic Patent References:
| JP2007292281A | 2007-11-08 | |||
| JP2014190513A | 2014-10-06 | |||
| JP2014066328A | 2014-04-17 | |||
| JPH02256996A | 1990-10-17 | |||
| JPS54157324A | 1979-12-12 | |||
| JPH02253087A | 1990-10-11 |
Foreign References:
| US5277456A | 1994-01-11 |
Attorney, Agent or Firm:
Nishizawa Kazumi
Yuichiro Kawagoe
Makiko Otsuki
Hiroshi Yamaguchi
Yuichiro Kawagoe
Makiko Otsuki
Hiroshi Yamaguchi