logo

For the Inventor, By the Inventor

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.:

US 12188594 B1

PDFFull Text
Date of Patent:
Jan. 07, 2025

Filed:

Apr. 07, 2023

Coupling fittings and coupling structure

Applicant:

Sakura Rubber Co., Ltd., Tokyo, JP;

Inventors:

Tetsuharu Kawasaki, Tokyo, JP;

Kazuyuki Tamada, Tochigi, JP;

Assignee:

SAKURA RUBBER CO., LTD., Tokyo, JP;

Attorneys:

Bridgeway IP Law Group, PLLC

Jihun Kim

Primary Examiner:

Zachary T Dragicevich

Assistant Examiner:

James A Linford

Int. Cl.
CPC ...
F16L 37/113 (2006.01); F16J 15/10 (2006.01); F16L 37/084 (2006.01); F16L 37/252 (2006.01);
U.S. Cl.
CPC ...
F16L 37/0847 (2013.01); F16J 15/10 (2013.01); F16L 37/113 (2013.01); F16L 37/252 (2013.01);
Abstract

A coupling fitting comprises a cylindrical first body having a first end portion, a first coupling part having a plurality of first protrusions arranged around the first end portion and having hooks formed thereon, and a first seal material provided on an outer circumference of the first end portion. A gap is formed between the outer circumference and the plurality of first protrusions. When the coupling fitting is coupled with the target fitting, a part of the target fitting is inserted into the gap, the hooks of the plurality of first protrusions engage the target fitting, and the first seal material contacts an inner circumference of the target fitting.

Find Patent Forward Citations

Kawasaki, Tetsuharu. (2025). Coupling fittings and coupling structure (U.S. Patent No. 12188594). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12188594

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…