B - Operations – Transporting – 22 – C
Patent
B - Operations, Transporting
22
C
B22C 3/00 (2006.01) B22D 13/10 (2006.01)
Patent
CA 2591394
The invention relates to sizing compositions which comprise a solvent component and a solid component. The solvent component comprises water or one or several alcohols as a main component and the solid component comprises a mixture of metakaolinite and pyrophyllite as a main component, which can be applied to the casting moulds. The invention also relates to said casting moulds comprising sizing components and to the use thereof, in particular in centrifugal casting and flow casting.
La présente invention concerne des compositions d'enduit qui comprennent une composante solvant et une composante solide, la composante solvant contenant principalement de l'eau ou un ou plusieurs alcools, et la composante solide contenant principalement un mélange de métakaolinite et pyrophyllite, lesdites compositions pouvant être appliquées sur des moules. L'invention a également pour objet des moules qui comprennent ces compositions d'enduit, et l'utilisation de ceux-ci en particulier dans le cadre d'un procédé de coulée par centrifugation et d'un procédé de coulée à grande capacité.
Lederer Gernot
Pitamitz Herbert
Stoetzel Reinhard
Ashland-Suedchemie-Kernfest Gmbh
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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