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:
Aug. 22, 1989
Filed:
Feb. 03, 1988
Applicant:
Inventors:
Agnes Potepan, Canandaigua, NY (US);
Richard L Dibble, Williamson, NY (US);
Assignee:
Garlock Inc., Palmyra, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B65D / ; F16J / ; F16J / ;
U.S. Cl.
CPC ...
428283 ; 277227 ; 277228 ; 428286 ; 428339 ; 428408 ; 428920 ;
Abstract
A high temperature compressed non-asbestos sheet is provided which is effective for gasketing applications in temperatures up to at least 900.degree. F. The sheet is formed from carbon fibers having a high percentage of carbonization and a low modulus of elasticity. The carbon content of the fibers is above 90% while the modulus of elasticity is less than 10,000,000 psi., and such fibers form at least 75% of the fiber content of the sheet. The carbon fibers may be blended with small portions of organic fibers to enhance the physical properties of the sheet.