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:
Jun. 02, 2009

Filed:

Jul. 28, 2006
Applicants:

Yasushi Fujiwara, Tokyo, JP;

Takuji Matsuki, Tokyo, JP;

Inventors:

Yasushi Fujiwara, Tokyo, JP;

Takuji Matsuki, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 41/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A pipe jointcomprises a fittingconnected with a hose, a flangepressingly holding the fittinginserted into a through holetoward a block, a boltfor fixing tightly the flangeto the block, a metal sealhaving 'C' cross section so as to seal a joined portion of a communication passageand a connection openingexternally, and a first and a second O-ringsso as to seal a contact portion of the fittingand the block. A projecting portionis formed on a lower faceof the flange, the projection portionis formed at an area opposite to an area where the insertion holeis formed with respect to a center axis of the through hole, the project portionprojects from other portion of the flange towards the block. A tip of the fittinginserted into the through holeprojects towards the blockfrom the lower faceof the flange


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