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:
Sep. 11, 2012
Filed:
Sep. 08, 2008
Haruo Nakata, Sakai, JP;
Haruo Nakata, Sakai, JP;
Daikin Industries, Ltd., Osaka, JP;
Abstract
A duplex pipe fitting includes a fitting main bodyand a pair of coupling memberswhich are threaded to both ends of the fitting main body. The coupling membersare threaded to the fitting main body, so that two pipes P are connected to each other with the fitting main body. Each coupling memberincludes a holding portionincluding a holding surface consisting of a pair of or a plurality of pairs of planes facing each other so that it can be held with a general fastening tool. When a rotational torque for tightening the coupling memberto the fitting main bodyreaches a value indicating the completion of fastening, at least a part of the holding portion including the holding surface is separated and the pipe connecting is complete.