Sealing gasket made of expanded graphite, with opened thin-leaf

Details Sealing gasket made of expanded graphite, with opened thin-leaf Sealing gasket made of expanded graphite, with opened thin-leaf

1996-09-10

1998-06-16

Cummings, Scott

Seal for a joint or juncture

Seal between fixed parts or static contact against...

Contact seal for other than internal combustion engine, or...

277652, 277580, F16J 1510

Patent

active

057658382

ABSTRACT:
An expanded graphite sealing material is provided in which the adaptability of the principal face of an expanded graphite base member is improved, the bonding strength to a coating layer and the like can be increased, and the sealing properties can be enhanced. A method of producing such a sealing material, and a gasket sheet using the sealing material are also of concern. On at least a portion of a principal face of the expanded graphite base member in which expanded graphite particles are pressurized and integrated together, opened thin-leaf graphite portions are formed. The principal face of the expanded graphite base member having the thin-leaf graphite portions can be impregnated with a sealing member such as PTFE or covered with a coating layer. As the form of the sealing material, a sheet, a press-molded product, a fabric, a string, or a braided article can be adopted.

REFERENCES:
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patent: 5154977 (1992-10-01), Saito
patent: 5462781 (1995-10-01), Zukowski
Charles V. Cagle; "Adhesive Bonding Techniques and Applications"; p. 111, Oct. 4, 1972.

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