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Title:
PIPE JOINT
Document Type and Number:
Japanese Patent JP2015215070
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a screw structure of a pipe joint capable of obtaining sufficient tightening torque even when made of resin, and preventing resin destruction due to excessive tightening of a screw, without increasing the number of components.SOLUTION: A pipe joint A has a tapered male screw part 1, and the tapered male screw part 1 is made of resin. The tapered male screw part 1 includes a screw body part 2, and a plurality of projections 3a discontinuously projecting from a screw root 21 of the screw body part along the screw root 21, and integrally formed with the screw body part 2.

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Inventors:
HAGINO TOMOKAZU
Application Number:
JP2014099167A
Publication Date:
December 03, 2015
Filing Date:
May 13, 2014
Export Citation:
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Assignee:
SEKISUI CHEMICAL CO LTD
International Classes:
F16L15/04
Domestic Patent References:
JPS6370944U1988-05-12
JPH0680658U1994-11-15
JP2001171701A2001-06-26
JP2013245695A2013-12-09
Foreign References:
EP0448361A11991-09-25
US20070241556A12007-10-18
Attorney, Agent or Firm:
Katsunori Sugimoto
Mitsuhiro Okada



 
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