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.

Date of Patent:
Feb. 20, 2007

Filed:

May. 16, 2005
Applicant:

Makoto Yoshino, Okazaki, JP;

Inventor:

Makoto Yoshino, Okazaki, JP;

Assignee:

Denso Corporation, Kariya, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 37/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A piping joint structure includes a first piping member, a second piping member having at least a window portion, and a joint member provided with a body unit and multiple engagement units, which protrude to the central axis side of the body unit and are capable of being diameter-enlarged and diameter-shortened. The body unit of the joint member has a semi-crack shape. The joint member hoops the second piping member from a periphery side of the second piping member, while the engagement units are inserted through the window portion. The first piping member is connected to the second piping member by a one-touch operation of diameter-enlarging and diameter-shortening of the engagement units.


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