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:
Sep. 15, 1981
Filed:
Jul. 24, 1980
Peter F King, Farmington Hills, MI (US);
George J Beyer, Troy, MI (US);
Hooker Chemicals & Plastics Corp., Madison Heights, MI (US);
Abstract
A composition and a method for applying a lubricant coating to clean metal surfaces prior to subjecting them to metal forming operations. The composition comprises a concentrate which is adapted to be diluted with water, if desired, to produce an aqueous acidic operating bath containing a controlled effective amount of phosphate ions to form a phosphate coating on the clean metal surface in combination with an emulsified organic lubricant agent, an emulsifying agent and an iron chelating agent. The coating composition may further optionally contain a controlled amount of a corrosion inhibiting agent and heavy metal cations for activating the coating bath. The coating composition is applied to a clean metal surface such as by flooding, immersion, spraying, or the like, at temperatures from ambient up to about 200.degree. F. for a period of time sufficient to effect a desired coating magnitude whereafter the parts are dried, preferably at elevated temperatures before forming.