C - Chemistry – Metallurgy – 21 – C
Patent
C - Chemistry, Metallurgy
21
C
25/105, 39/105
C21C 7/072 (2006.01) B22D 1/00 (2006.01) C04B 38/00 (2006.01)
Patent
CA 1327267
ABSTRACT In a gas-fluxing stone of refractory ceramic material, the channels (3, 3') passing through said stone are to be manufactured in a simple manner. A ceramic inner part (4) is inserted in a ceramic outer part (5). The channels (3, 3') are formed directly on the inside of the outer part (5) and/or on the outside of the inner part (4).
575248
Kopia Jochen
Rothfuss Hans
Sauthoff Jurgen
Didier-Werke Ag
Fetherstonhaugh & Co.
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