C - Chemistry – Metallurgy – 21 – C
Patent
C - Chemistry, Metallurgy
21
C
39/105
C21C 7/072 (2006.01) B22D 1/00 (2006.01) C22B 9/05 (2006.01)
Patent
CA 1327268
ABSTRACT The optical identifiability of the state of wear in a gas-fluxing stone of refractory ceramic material, is improved. The identifiability is intended to be independent of the material of the gas-fluxing stone. To this end, a gas-permeable separator space 3, which has different geometric forms in the direction of wear, extends in the gas-fluxing stone. As a result, during throughflow of gas through the separator space 3, a pattern which differs according to the state of wear is visible on the surface of the gas-fluxing stone.
589413
Metzger Herbert
Rothfuss Hans
Winkelmann Manfred
Didier-Werke A.g.
Ridout & Maybee Llp
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