Combination of two sliding or sealing elements and a method for producing the same

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United States of America Patent

PATENT NO 5024977
SERIAL NO

07253125

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Abstract

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A diphasic ceramic compact, sintered without pressure, is prepared for use in a combination of two sliding or sealing elements with improved control of the bearing surface portion of the functional surface; the compact contains 44 to 89.5 wt.-% of .alpha.- silicon carbide, 0.5 to 6 wt.-% of boron carbide, and 10 to 50 wt.-% of metal borides from groups 4b to 6b of the Periodic Table of Elements, and the metal boride content is increased at the functional surface.

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Patent Owner(s)

Patent OwnerAddress
CERASIV GMBH INNOVATIVES KERAMIK-ENGINEERINGFABRIKSTR 23-29 PLOCHINGEN D7310

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Friederich, Kilian Plochingen, DE 17 70
Rogowski, Dirk Bunzwangen, DE 8 59

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