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:
May. 22, 2012

Filed:

Sep. 24, 2008
Applicants:

Koji Katsuta, Tsukubamirai, JP;

Masayuki Okitsu, Tsukubamirai, JP;

Inventors:

Koji Katsuta, Tsukubamirai, JP;

Masayuki Okitsu, Tsukubamirai, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16L 37/28 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention concerns a pipe joint, which includes a socket, and a plug arranged in confronting relation to the socket. A holder is disposed on one end of the socket. Further, a packing is retained between the socket and the holder. In addition, the packing is constructed from a body sealing portion disposed on an outer circumferential side thereof, a plug sealing portion disposed on an inner circumferential side thereof that abuts against an outer circumferential surface of the plug, and a valve sealing portion provided with a seating surface upon which a valve, which is disposed displaceably inside of the socket, can be seated.


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