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:
Jan. 12, 1993
Filed:
May. 20, 1991
Leif E Josefsson, Sterling Heights, MI (US);
ABB Flakt, Inc., Madison Heights, MI (US);
Abstract
A paint spray booth utilizes longitudinal air flow along paths parallel to a path of travel through a tunnel in the booth of objects to be painted, the air flow directed inwardly from both entrance and exit ends of the tunnel. An exhaust duct for the inwardly directed, longitudinally flowing air is positioned between the entrance and exit ends and includes an exhaust slot which surrounds at least a portion of a paint spray application area within the tunnel for drawing out overspray-laden exhaust air. Maintaining flow of exhaust air along the path of travel of the painted objects increases paint transfer efficiency and minimizes contamination of paint recovered from the exhaust air. The invention finds particular advantage in powder spray booth applications and is adapted to modularization thereby enabling retrofitting of existing spray booths with apparatus arranged in accordance with the principles of the invention.