Stock material or miscellaneous articles – Web or sheet containing structurally defined element or...
Reexamination Certificate
2007-12-18
2007-12-18
Edwards, N. (Department: 1774)
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
C277S536000, C442S164000, C442S097000
Reexamination Certificate
active
10480204
ABSTRACT:
A flat gasket made up of at least one layer of nonwoven fabric consisting of a sheet of asbestos-free fibers or fiber mixtures and impregnated with a polymer, the sealing element consisting of at least one polytetrafluoroethylene-impregnated nonwoven fabric.
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International Search Report for PCT/EP02/02018; ISA/EPO; Date of Mailing: Jul. 16, 2002.
Klenk Thomas
Kosack Steffen
Liedtke Ulrich
Schultz Frank
Carl Freudenberg KG
Edwards N.
Harness & Dickey & Pierce P.L.C.
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