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:
May. 05, 1998
Filed:
Jul. 17, 1996
Applicant:
Inventors:
Charles A Burton, Columbus, OH (US);
Douglas E Boyd, Dublin, OH (US);
Thomas D Haubert, Columbus, OH (US);
James S Belt, Utica, OH (US);
Assignee:
Owens-Corning Fiberglas Technology, Inc., Summit, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B05C / ; B05C / ;
U.S. Cl.
CPC ...
118308 ; 239119 ; 239 99 ; 141 65 ; 427186 ; 222399 ;
Abstract
The apparatus for applying granules to a coated asphalt sheet has a nozzle for holding an accumulation of granules, an opening at the bottom of the nozzle for discharging the granules onto the coated asphalt sheet, a buffer chamber positioned in communication with the accumulation of granules, and a vacuum source for reducing the pressure in the buffer chamber to stop the flow of granules through the opening.