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:
Jun. 08, 1993
Filed:
Oct. 21, 1982
Applicant:
Inventor:
Gregory J LaCasse, Lancaster, PA (US);
Assignee:
Raymark Industries, Inc., Trumbull, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428 64 ; 57238 ; 57240 ; 1882 / ; 1921 / ; 428222 ; 428283 ; 428364 ; 428371 ; 428372 ;
Abstract
A dry clutch is prepared from a composite of fiber yarns, including fiberglass fibers and polymer fibers such as polyacrylonitrile fibers, which are blended together and twisted with wire. The yarns are shaped in a disc or other form and are bonded together with a heat curable binder system that includes an elastomer and a resin. The binder system also may contain organic and inorganic friction modifying particles.