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Priority to FR7424299ApriorityCriticalpatent/FR2245433A1/fr
Publication of FR2245433A1publicationCriticalpatent/FR2245433A1/fr
Application grantedgrantedCritical
Publication of FR2245433B1publicationCriticalpatent/FR2245433B1/fr
B22C9/12—Treating moulds or cores, e.g. drying, hardening
B22C9/123—Gas-hardening
B—PERFORMING OPERATIONS; TRANSPORTING
B22—CASTING; POWDER METALLURGY
B22C—FOUNDRY MOULDING
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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Engineering & Computer Science
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Mechanical Engineering
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Chemical & Material Sciences
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Materials Engineering
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Mold Materials And Core Materials
(AREA)
FR7424299A1974-07-121974-07-12Hardening sand/resin moulded foundry cores - by exposure to an amine enriched gas and then a current of air
GrantedFR2245433A1
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