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. 16, 2019
Filed:
Feb. 01, 2013
Toto Ltd., Kitakyushu-Shi, Fukuoka, JP;
Toru Uchida, Fukuoka-Ken, JP;
Toto Ltd., Fukuoka, JP;
Abstract
Disclosed is a brass that possesses high corrosion resistance even without undergoing a heat treatment step contemplated for dezincification corrosion suppression. This brass includes 55% by mass to 75% by mass of Cu (copper), 0.01% by mass to 1.5% by mass of Si (silicon), Sn (tin) and Al (aluminum) in such amounts as to satisfy a prescribed relationship with an apparent Zn content, less than 0.25% by mass of Mn (manganese) as an optional ingredient, less than 0.05% by mass of Ti (titanium) as an optional ingredient, less than 0.3% by mass of Mg (magnesium) as an optional ingredient, less than 0.15% by mass of P (phosphorus) as an optional ingredient, and less than 0.004% by mass of a rare earth metal as an optional ingredient with the balance consisting of Zn (zinc) and unavoidable impurities, the apparent zinc content being 37 to 45.