Gaskets and sealing material

Details Gaskets and sealing material Gaskets and sealing material

1991-11-07

1994-04-26

Ryan, Patrick J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Noninterengaged fiber-containing paper-free web or sheet...

428221, 428222, 428224, 428284, 428285, 428289, 428292, 428357, 428362, 428364, 428367, 428371, 428373, B32B 900

Patent

active

053065565

ABSTRACT:
The present invention relates to a novel chemical and oxidation resistant gasketing or sealing material, such as packing yarn. More particularly, there is provided packing yarn comprising carbonaceous fibers which can be used at temperatures over 400.degree. C. that derived from oxidized polyacrylonitrile fibers and have good dry lubricity.

REFERENCES:
patent: 4902563 (1990-02-01), McCullough, Jr. et al.
patent: 4944999 (1990-07-01), McCullough, Jr. et al.
patent: 4950533 (1990-08-01), McCullough, Jr. et al.
patent: 4956235 (1990-09-01), McCullough et al.
patent: 4978571 (1990-12-01), McCullough, Jr. et al.
patent: 4997716 (1991-03-01), McCullough et al.
patent: 5028477 (1991-07-01), McCullough, Jr. et al.
patent: 5030509 (1991-07-01), McCullough, Jr. et al.
patent: 5034267 (1991-07-01), McCullough, Jr. et al.

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