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Ruhrstahl AG
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Ruhrstahl AG
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Publication of FR1125375ApublicationCriticalpatent/FR1125375A/en
B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
B22C1/162—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents use of a gaseous treating agent for hardening the binder
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FR1125375D1954-05-291955-05-27
Process to accelerate the setting of molds and cores in sand and cement
ExpiredFR1125375A
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