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:
Oct. 26, 1982
Filed:
May. 13, 1980
Applicant:
Inventors:
Gerhard R Sprengling, Derry Township, Westmoreland County, PA (US);
Louis A Cargnel, Unity Township, Westmoreland County, PA (US);
Assignee:
Westinghouse Electric Corp., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428404 ; 428407 ;
Abstract
A porous encapsulating composition is formed of particulate filler material which is cohesively bonded together by a binder material which forms beads around the points of contact between contiguous particles. In one embodiment, the filler material includes round gravel and resin-coated sand particles with the resin being redistributed to form beads around the points of contact between contiguous particles.