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:
Jun. 22, 1993
Filed:
Aug. 16, 1991
James C Malloy, Ferndale, MI (US);
Kolene Corporation, Detroit, MI (US);
Abstract
An improved salt and method for descaling and deglassing metals, especially metal forgings and even more specifically, titanium forgings wherein glass has been utilized as a forging lubricant, is provided. A composition of the salt has at least one alkali metal hydroxide, at least one alkali metal nitrate and at least one alkali metal or alkaline earth metal fluoride. Preferably, the salt includes from about 60-75% sodium hydroxide, from about 15-25% potassium hydroxide, from about 3-6% sodium fluoride, and from about 5-10% sodium nitrate. The specific preferred composition is one which contains about 67.5% sodium hydroxide, about 18% potassium hydroxide, about 4.5% sodium fluoride and about 10% sodium nitrate.