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:
Dec. 31, 2019
Filed:
Oct. 06, 2015
Kitz Corporation, Chiba, JP;
Yukihiro Miyashita, Nagano, JP;
Kazunori Sakyu, Nagano, JP;
KITZ CORPORATION, Chiba, JP;
Abstract
A butterfly-valve seat ring and fixing structure of the same, and an eccentric-type butterfly valve in which, the butterfly-valve seat ring has a flexible part () with a predetermined material thickness integrally and extendedly provided on one side surface of an inner diameter of a ring-shaped base body part () having a substantially rectangular shape in section and has a fixing part () integrally and extendedly provided on one side surface of an outer diameter of the base body part, has a recessed-shaped space part () provided between an outer circumferential surface () of the flexible part and an inner circumferential surface () of the fixing part, and has a seal contact part () provided to project at an inner diameter position of the flexible part. The seal contact part is positioned on an inner circumferential surface of the flexible part rather than a depth-side position of the space part.