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. 30, 1996
Filed:
Dec. 03, 1993
Applicant:
Inventor:
Yasukazu Mukogawa, Hyogo, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B / ;
U.S. Cl.
CPC ...
1341041 ; 134112 ; 134 953 ; 134155 ; 134902 ;
Abstract
An improved cleaning apparatus preventing new cleaning chemicals form contamination at the time of exchanging used cleaning chemicals with the new chemicals is provided. The apparatus includes a cleaning chemicals tank storing new chemicals and a cleaning vessel. A first cleaning chemicals supply conduit supplying new chemicals from tank into vessel is coupled to cleaning chemicals tank. A waste fluid conduit externally discharging used cleaning chemicals is provided at the bottom of vessel. Vessel is provided with wetting agent supply means supplying a wetting agent to wet the inner wall surface 8a of vessel.