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.
Patent No.:
Date of Patent:
Apr. 14, 2015
Filed:
Nov. 18, 2010
Applicants:
Hideki Toyoshima, Kuki, JP;
Kazumi Miura, Tochigi, JP;
Masakazu Nomura, Koga, JP;
Inventors:
Assignee:
Sanoh Kogyo Kabushiki Kaisha, Tokyo-To, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16L 27/04 (2006.01); F16L 19/025 (2006.01); F02M 55/00 (2006.01); F16L 19/02 (2006.01);
U.S. Cl.
CPC ...
F16L 19/025 (2013.01); F02M 55/005 (2013.01); F16L 19/0225 (2013.01);
Abstract
A pipe fastening structure includes an end member attached to an end part of a metal pipe, and a nut for fastening the end member attached to the metal pipe to a counterpart. In the pipe fastening structure, the end member has a first spherical part to be brought into contact with a sealing surface of the counterpart, a second spherical part formed integrally with the first spherical part so as to be in contact with a sliding surface formed in the nut, and a neck continuous with the second spherical part and having the shape of a straight pipe.