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:
Apr. 30, 2019

Filed:

Dec. 05, 2017
Applicant:

Tatsuno Corporation, Tokyo, JP;

Inventors:

Masahiro Takezawa, Tokyo, JP;

Yuki Terasoma, Tokyo, JP;

Kiyoshi Kimura, Tokyo, JP;

Assignee:

Tatsuno Corporation, Tokyo, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16L 29/04 (2006.01); F16L 37/23 (2006.01); F16L 37/35 (2006.01); F16L 55/10 (2006.01); F16L 27/06 (2006.01); F17C 13/00 (2006.01);
U.S. Cl.
CPC ...
F16L 29/04 (2013.01); F16L 27/06 (2013.01); F16L 37/23 (2013.01); F16L 37/35 (2013.01); F16L 55/1015 (2013.01); F17C 13/00 (2013.01); F17C 2205/037 (2013.01); F17C 2250/0478 (2013.01);
Abstract

To provide a pipe joint for emergency releasing with a minimized seal structure to minimize leakage risk. Pipe joints (: pipe joints for emergency releasing) of the present invention include a cylindrical plug () in which a passage (A: in-plug passage) is formed, a cylindrical socket () in which a passage (A: in-socket passage) is formed, and shutoff valves () mounted in the plug () and the socket () for opening the passages (A,A) of the plug () and the socket () when the plug () is inserted into the socket () and shutting the passages (A,A) of the plug () and the socket () when the plug () detached from the socket (), wherein central axes of the passages (A,A) of the plug () and the socket () do not form a straight line.


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