Flexible graphite expandable seal and method

Details Flexible graphite expandable seal and method Flexible graphite expandable seal and method

1991-02-20

1992-07-14

Robinson, Ellis P.

Stock material or miscellaneous articles

Self-sustaining carbon mass or layer with impregnant or...

428407, 428323, 4284111, B32B 2720

Patent

active

051301997

ABSTRACT:
An expandable seal of flexible graphite composed of a prestressed flexible graphite composition of a mixture of flexible graphite and a thermoplastic material having a preselected melting temperature corresponding to the temperature at which the seal is to commence expansion. The flexible graphite composition is prestressed under a compressive force and a temperature such that the thermoplastic material is in a plastic state.

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