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:
Feb. 03, 2026
Filed:
Nov. 22, 2021
Nippon Pillar Packing Co., Ltd., Osaka, JP;
Toshihide Iida, Osaka, JP;
Kenji Onishi, Osaka, JP;
Hiroki Tanabe, Osaka, JP;
Yu Notoji, Osaka, JP;
Shohei Minamihara, Osaka, JP;
NIPPON PILLAR PACKING CO., LTD., Osaka, JP;
Abstract
A fitting connects a first tube with a second tube. At least one of the tubes is twistable. The fitting includes a tubular body and a sleeve. A first axial end portion of the body includes a connector for the first tube. A second axial end portion of the body includes an annular groove and an internal thread. A first axial end portion of the sleeve includes an annular protrusion to be press-fitted into the annular groove and an external thread to be engaged with the internal thread. A second axial end portion of the sleeve includes a connector for the second tube. A rotation angle between the internal and external threads necessary for connection therebetween is designed to fall within a range. At any angle within the range, the first tube connected with the body or the second tube connected with the sleeve can be twisted with one hand.