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. 12, 1980
Filed:
Mar. 05, 1979
Applicant:
Inventor:
Stanley F Brzozowski, Coraopolis, PA (US);
Assignee:
PPG Industries, Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03B / ;
U.S. Cl.
CPC ...
106 50 ; 106 54 ; 106 736 ; 106D / ;
Abstract
Glass pellets for use in producing glass for the manufacture of glass fibers are described in which a significant portion of the pellets are made up of fiber glass cullet. The pellets of glass fiber batch contain quantities of fiber glass cullet from 5 percent by weight to 35 percent or more by weight. The glass fiber cullet employed is in the form of ground glass or short glass fibers, 0.0625 to 0.5 inch (0.158 to 1.27 centimeters).