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. 31, 1984
Filed:
Jan. 05, 1982
Applicant:
Inventors:
Toshimitsu Uchiyama, Sakai, JP;
Eizo Isoyama, Sakai, JP;
Hiroichi Takenaka, Sakai, JP;
Masayuki Kaji, Sakai, JP;
Assignee:
Showa Aluminum Corporation, Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23F / ; C23F / ; B05D / ;
U.S. Cl.
CPC ...
148 / ; 148 / ; 148-616 ; 148-62 ; 148-627 ; 427318 ;
Abstract
An aluminum evaporator including a refrigerant tube and fins with a hydrophilic surface is prepared by forming a chemical coating over the surface of its components as assembled into a product or before fabrication, and thereafter forming a hydrophilic layer over the coating by treating the resulting components with a solution of silicic acid, silicate or colloidal silica.