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Machine translation
1. (WO1981002400) PROCESS AND MATERIALS FOR MAKING REFRACTORY CORES
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1981/002400    International Application No.:    PCT/US1981/000133
Publication Date: 03.09.1981 International Filing Date: 19.02.1981
IPC:
B22C 1/16 (2006.01)
Applicants:
Inventors:
Priority Data:
125468 28.02.1980 US
Title (EN) PROCESS AND MATERIALS FOR MAKING REFRACTORY CORES
(FR) PROCEDE ET MATERIAU DE FABRICATION DE NOYAUX REFRACTAIRES
Abstract: front page image
(EN)Ceramic cores suitable for use in investment casting operations are molded from a mixture containing comminuted refractory which includes partially dehydrated gypsum and a sublimable binder. When the sublimable binder has been sublimated from the molded core, it is soaked in water in order to hydrate the gypsum and cause it to set.
(FR)Noyaux ceramiques convenant a l'utilisation dans des operations de coulee obtenus par moulage a partir d'un melange contenant un materiau refractaire pulverise comprenant du platre partiellement deshydrate et un liant sublimable. Lorsque le liant sublimable a ete sublime, le noyau moule est trempe dans de l'eau de maniere a hydrater le platre et provoquer son durcissement.
Designated States:
Publication Language: English (EN)
Filing Language: English (EN)