The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 09, 2024
Filed:
Jan. 14, 2021
Nippon Pillar Packing Co., Ltd., Osaka, JP;
Ayumi Kurosaki, Osaka, JP;
Shingo Higuchi, Osaka, JP;
Kazukiyo Teshima, Osaka, JP;
Kiyotaka Ohmae, Osaka, JP;
Masashi Katanaya, Osaka, JP;
Nippon Pillar Packing Co., Ltd., Osaka, JP;
Abstract
An inner ringof a pipe jointincludes a cylindrical body portionhaving a communication holefor providing communication between flow passage holesandof a joint bodyand a tube, and an annular primary sealing portionprojecting from a radially inner side of an axially outer end portion of the body portiontoward an axially outer side and to be press-fitted into an annular primary sealing grooveformed on the joint body. The primary sealing portionis formed so as to be tapered from an axially inner end thereof toward an axially outer end thereof in an axial cross-sectional view, and has a flat surfaceextending from a radially outer endof the axially outer end thereof toward the radially inner side.