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:
Apr. 24, 1984
Filed:
Aug. 24, 1983
Applicant:
Inventors:
Assignee:
Okuno Chemical Industry Co., Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C25D / ; C25D / ;
U.S. Cl.
CPC ...
204 29 ; 204 33 ; 204 58 ; 204 / ;
Abstract
Aluminum alloy castings and aluminum alloy die castings are treated in the process comprising the steps of chemically polishing the castings, processing the chemically polished castings by barreling and/or by blasting and subjecting successively the castings to degreasing, anodic oxidation, dyeing and sealing.