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:
Oct. 06, 2015
Filed:
Nov. 06, 2009
Ryo Imanishi, Fukuchiyama, JP;
Masateru Yamada, Sanda, JP;
Kazukiyo Teshima, Sanda, JP;
Takehiro Nakamura, Sanda, JP;
Takayuki Kishimoto, Sanda, JP;
Akihiro Masuda, Sanda, JP;
Takeshi Nakagawa, Fukuchiyama, JP;
Ryo Imanishi, Fukuchiyama, JP;
Masateru Yamada, Sanda, JP;
Kazukiyo Teshima, Sanda, JP;
Takehiro Nakamura, Sanda, JP;
Takayuki Kishimoto, Sanda, JP;
Akihiro Masuda, Sanda, JP;
Takeshi Nakagawa, Fukuchiyama, JP;
NIPPON PILLAR PACKING CO., LTD., Osaka-Shi, JP;
Abstract
In a resin pipe joint having a configuration where, by a screw advancement of a union nut caused by screwing an internal thread to an external thread in a state where a tube is externally fitted to an inner cylinder to form a flared portion, a flaring changing region is pressed by a seal pressing portion, a torque varying portion in which projecting portions of a joint body and recess portions of the union nut are fitted to or unfitted from each other by a flexural displacements of the projecting portions in the direction of the axis in accordance with fastening rotation of the union nut from the vicinity of a portion in front of an end of the screw advancement, the screw advancement being caused by pressing of the seal pressing portion against the flaring changing region is configured.