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. 14, 1996
Filed:
Aug. 05, 1994
Applicant:
Inventors:
David Solomon, Vaxjo, SE;
Michael Rossetti, Woburn, MA (US);
Assignee:
Recycled Glass Products, Inc., Jamaica Plain, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03B / ;
U.S. Cl.
CPC ...
65 174 ; 65 173 ; 65 22 ; 264 65 ; 264 66 ; 264 41 ; 264 42 ; 264 43 ; 264 44 ;
Abstract
A foamed glass product and its manufacturer are disclosed. According to the present invention, crushed glass particles and a foaming agent, preferably selected from CaCO.sub.3 and CaSO.sub.4, are provided. The glass particles and foaming agent are mixed and heated to a desired foaming temperature for creating foamed glass. A nonreactive gas having desired insulative properties, preferably selected from SO.sub.2 and CO.sub.2 is provided to sweep air away from the mixture during heating.