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:
May. 05, 2015
Filed:
Dec. 09, 2010
Masashi Matsuoka, Osaka, JP;
Yosinori Shimomura, Osaka, JP;
Kunihiko Daido, Osaka, JP;
Hirokatsu Maeda, Osaka, JP;
Masashi Matsuoka, Osaka, JP;
Yosinori Shimomura, Osaka, JP;
Kunihiko Daido, Osaka, JP;
Hirokatsu Maeda, Osaka, JP;
Fujikin Incorporated, Osaka-shi, JP;
Abstract
A ball valve which can suppress the increasing of processing labor time and reliably prevent simultaneous rotation of a ball seat and a ball when the ball is rotated by handle manipulation is provided. The valve bodyis formed of a hard material such as stainless steel, the ball seat is formed of a relatively soft material such as a fluorine resin, and a protrusionis formed on a ball seat support surfaceof the valve bodymade of a hard material so as to bite into the ball seat