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:
Jul. 19, 1994
Filed:
Sep. 30, 1992
Applicant:
Inventors:
James J Turner, Amherst, OH (US);
William E Donges, Wellington, OH (US);
Assignee:
Nordson Corporation, Westlake, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05B / ;
U.S. Cl.
CPC ...
239112 ; 239121 ; 427 96 ;
Abstract
Apparatus for applying a conformal coating to circuit boards which includes fluid circuits for applying coating material, solvent and drying circuits for cleaning the coating material circuits, and both a solvent dock and a nitrogen dock for the coating application nozzle to prevent skin-over of various coating materials thereon between coatings. Changeover controls and circuits for changing coating materials are disclosed, as well as solvent dump and replenishment circuits for the applicator nozzle solvent dock, and a supply line and cup for the alternative nitrogen dock.