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:
Jan. 13, 2015
Filed:
Sep. 25, 2013
Kabushiki Kaisha Fujikin, Osaka, JP;
Shunya Ikeda, Osaka, JP;
Izuru Shikata, Osaka, JP;
Kabushiki Kaisha Fujikin, Osaka, JP;
Abstract
The ball valve may be manually opened and dosed with ease and securely prevent leakage. The ball valve includes a valve body having a fluid inlet passage, fluid outlet passage, and a communicating part provided between these passages. The ball valve includes a ball having a fluid communication passage and preferably is arranged on the communicating part of the valve body for rotating about a reference axis. A substantially cylindrical ball seat which preferably has a desired opening part on its peripheral wall and is arranged between the ball and valve body. The ball valve includes a ball seat pressing part inside the valve body, adjacent to the ball seat and a presser screw screwed into the inner periphery of the valve body. The presser screw preferably presses the ball seat pressing part by adjustment of its tightening force and presses the ball seat pressing part without contacting the packing.