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:
Sep. 20, 1983
Filed:
Dec. 11, 1980
Applicant:
Inventors:
Jeffrey A Neubauer, Boiling Springs, NC (US);
Vincent A Sarni, Pittsburgh, PA (US);
Assignee:
PPG Industries, Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D04H / ;
U.S. Cl.
CPC ...
28107 ; 28112 ; 65-9 ; 65 111 ;
Abstract
A process is described for improving needling efficiency in the preparation of continuous fiber glass strand needled mat involving subjecting the continuous glass strand mat to environmental treatments before and during needling to control mat moisture and temperatures. A low relative humidity and warm temperature environment is maintained during needling and the mat is exposed to similar treatment prior to needling.