Mechanical seal

F - Mech Eng,Light,Heat,Weapons – 16 – J

Patent

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Details

277/71, 277/20.4

F16J 15/34 (2006.01) B29B 9/04 (2006.01) B29B 9/14 (2006.01) B29C 35/02 (2006.01) B29C 39/02 (2006.01) B29C 39/36 (2006.01) C08K 3/04 (2006.01) F16D 1/08 (2006.01)

Patent

CA 1276952

60412-1391 ABSTRACT OF THE DISCLOSURE An improved mechanical seal comprising a driver and a sealing portion, the driver being injection molded from a compound based on a polyphenylene sulfide resin combined with carbon and the sealing portion being injection molded from a compound that is between 10% and 20% phenolic resin with the remainder being mostly graphic powder, both the driver and the sealing portions have considerable strength and similar coefficients of expansion.

431644

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