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:
Jan. 21, 2003
Filed:
Aug. 10, 1999
Applicant:
Inventors:
Michael R. Lynn, Arlington Heights, IL (US);
Frederick T. Jones, Grayslake, IL (US);
Gregory J. Cormier, Nova Scotia, CA;
Assignee:
United States Gypsum Co, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 1/302 ; B32B 1/314 ; B32B 3/106 ; B32B 3/108 ; B32B 3/112 ;
U.S. Cl.
CPC ...
B32B 1/302 ; B32B 1/314 ; B32B 3/106 ; B32B 3/108 ; B32B 3/112 ;
Abstract
A gypsum/fiber board having improved impact resistance is produced by mixing predetermined amounts of fibers, calcined gypsum and water to form a mixture of wetted, loose fibers; laying out a reinforcing mesh over the upper surface of a forming belt; depositing said mixture on said mesh to form a layer of said mixture, said; and compressing said mesh together with said layer of mixture to embed said mesh in the lower surface of said layer to form a board composed of bonded fibers and gypsum with said mesh embedded in the surface thereof.