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:
Sep. 07, 1993
Filed:
Aug. 20, 1991
Applicant:
Inventors:
Donald J Gillette, Guilford, CT (US);
Bedrich Hajek, Clinton both of, CT (US);
Assignee:
Electrostatic Technology, Inc., Branford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427459 ; 118309 ; 118312 ; 118622 ; 118630 ; 118D / ; 427182 ; 427185 ; 427476 ;
Abstract
An apparatus and method for coating surfaces of workpieces employs an electrostatic fluidized bed unit for producing a cloud of charged particles, for deposition upon the workpiece, and a second fluidized bed for agitating the particulate material and for facilitating feeding thereof to the electrostatic coating bed, the second bed being disposed beneath the first bed, and being in powder flow communication with it.