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. 18, 2023
Filed:
Feb. 28, 2020
Kitz Corporation, Chiba, JP;
Takanori Muneyoshi, Chino, JP;
KITZ CORPORATION, Chiba, JP;
Abstract
A valve disk of a double eccentric butterfly valve having boss sections () for accommodating a stem () and rib sections () each extending toward outer edge portions of the valve disk in a direction intersecting a stem () from the boss sections are provided on a surface on one side of a disc (), and each of the ribs respectively excluding the boss sections is provided such that a height from a surface () of the disc on the side on which a distance to an end on the edge portion side of the valve disk is longer than that on the side on which a distance to an end on the edge portion side of the valve disk is short when the heights are respectively compared at positions spaced an equal distance apart from a stem center axis (), and the butterfly valve.