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US Patent 11174972 Pipe joint

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Patent
Patent

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
11174972
Patent Inventor Names
Keisuke Ikeda1
Yuzuru Okita1
Date of Patent
November 16, 2021
Patent Application Number
16749233
Date Filed
January 22, 2020
Patent Primary Examiner
‌
Amber R Anderson
Patent abstract

A pipe joint includes a joint body formed with a through hole therein along an axial direction, and having male threads and an extending shaft portion formed on one end side thereof; and a nut member formed with an insertion hole through which a tube member is inserted, and having female threads formed therein that screw-engage with the male threads. Annular projections are formed on an outer circumferential surface of the extending shaft portion, and the tube member, which is expanded in diameter, is gripped between the annular projections and an inner circumferential surface of the nut member.

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