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B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
B28B7/00—Moulds; Cores; Mandrels
B28B7/24—Unitary mould structures with a plurality of moulding spaces, e.g. moulds divided into multiple moulding spaces by integratable partitions, mould part structures providing a number of moulding spaces in mutual co-operation
B28B7/241—Detachable assemblies of mould parts providing only in mutual co-operation a number of complete moulding spaces
B28B7/246—Detachable assemblies of mould parts providing only in mutual co-operation a number of complete moulding spaces for making oblong objects, e.g. girders
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FR671992D1929-03-251929-03-25Procédé de coulage, à l'avance, de nervures en ciment armé pour planchers et applications similaires
ExpiredFR671992A
(fr)