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:
Sep. 19, 2006

Filed:

Mar. 28, 2003
Applicants:

Akira Takayanagi, Aichi-ken, JP;

Yoshimitsu Ishida, Aichi-ken, JP;

Inventors:

Akira Takayanagi, Aichi-ken, JP;

Yoshimitsu Ishida, Aichi-ken, JP;

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

An inner peripheral surface of a tube connecting portion of a tubular connector housing is divided into a first receiving portion on one axial side and a second receiving portion on an opposite axial side by an inwardly directed annular parting projection. A first O-ring of one axial side and a second O-ring of an opposite axial side are disposed with intervening a collar therebetween on an opposite axial side in the first receiving portion. The first O-ring is made of FKM and the second O-ring is made of FVMQ. A third O-ring is disposed on one axial side in the second receiving portion. The third O-ring is also made of FVMQ.


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