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:
Jul. 19, 2011
Filed:
Oct. 11, 2006
Kenji Tsubota, Osaka, JP;
Michio Yamaji, Osaka, JP;
Kenji Tsubota, Osaka, JP;
Michio Yamaji, Osaka, JP;
Fujikin Incorporated, Osaka-shi, JP;
Abstract
A pipe joint locking device which prevents accidental loosening of a pipe joint after tightening and with which a sealing property of a seal portion of the pipe joint is not impaired even if a force for rotating a pipe member acts on the pipe member. The device is formed of: a first component memberincluding a mounting portionto be mounted to a joint memberhaving an external thread while prevented from relative rotation, a cover portionto be brought into contact with an outer peripheral face of a cap nutfrom a lower side, and a coupling portionto be brought into contact with a pipe memberfrom the lower side; and a second component memberincluding a cover portionto be brought into contact with the outer peripheral face of the cap nutfrom an upper side and a coupling portionto be brought into contact with the pipe memberfrom the upper side. The coupling portionof the first component memberand the coupling portionof the second component memberare coupled to be fixed to a portionof the pipe memberprotruding from the cap nut