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:
Feb. 22, 1994
Filed:
Feb. 11, 1993
Applicant:
Inventors:
Patrick T Hogan, Lorain, OH (US);
Richard G Christyson, Lakewood, OH (US);
Assignee:
Nordson Corporation, Westlake, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427492 ; 34 / ; 34-4 ; 34 18 ; 34 41 ; 118 58 ; 118643 ; 427 96 ; 427378 ; 427508 ; 427521 ; 427558 ;
Abstract
Apparatus and process for curing conformal coatings on circuit boards being conveyed through a curing chamber within a UV oven. Warm air, exhausted from a lamp housing containing UV lamps for curing the coatings, is directed into a flash zone chamber through which the coated circuit boards are conveyed prior to entering the UV oven for flashing volatile constituents from the coatings and raising the temperature of the circuit boards.