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:
May. 26, 1998
Filed:
Jan. 08, 1997
Applicant:
Inventors:
Nobuyuki Sano, Hiratsuka, JP;
Tsutomu Hasegawa, Hiratsuka, JP;
Kano Kosaki, Zushi, JP;
Hidenori Suwa, Zushi, JP;
Assignee:
Nihon Sinku Gijutsu Kabusiki, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25C / ; C20C / ;
U.S. Cl.
CPC ...
118715 ; 428470 ; 4284721 ; 4284722 ;
Abstract
Components of apparatus for film making and method for manufacturing the same include components made from aluminum alloy or aluminum without or with uneven surface of unenenness size of up to several mm, which are immersed in any one of sulfuric acid, phosphoric acid, oxalic acid, and chromic acid, and then washed and dried. Such components prevent the deposit of film forming materials on the components form peeling off during film making operation.