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. 17, 2005
Filed:
Sep. 17, 2002
Hideaki Yaegashi, Kanagawa, JP;
Tsuneo Sakauchi, Yokohama, JP;
Osamu Tanaka, Kanagawa, JP;
Hiroyuki Kishi, Kanagawa, JP;
Masahiro Obika, Tokyo, JP;
Hideaki Yaegashi, Kanagawa, JP;
Tsuneo Sakauchi, Yokohama, JP;
Osamu Tanaka, Kanagawa, JP;
Hiroyuki Kishi, Kanagawa, JP;
Masahiro Obika, Tokyo, JP;
Nissan Motor Co., Ltd., Yokohama, JP;
Abstract
A pretreatment apparatus for performing pretreatment before a painting process includes a treatment tank to be filled with a treatment liquid for degreasing and chemical conversion. A circuit section forms a circulation path for circulating the treatment liquid from the treatment tank to the treatment tank. A purifying section removes dust, chemical sludge and oil from the treatment liquid circulated to the treatment tank through the circulation path.