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HERBERT SUMMER OWEN
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HERBERT SUMMER OWEN
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Publication of FR428031ApublicationCriticalpatent/FR428031A/fr
B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
B28B7/00—Moulds; Cores; Mandrels
B28B7/34—Moulds, cores, or mandrels of special material, e.g. destructible materials
B28B7/342—Moulds, cores, or mandrels of special material, e.g. destructible materials which are at least partially destroyed, e.g. broken, molten, before demoulding; Moulding surfaces or spaces shaped by, or in, the ground, or sand or soil, whether bound or not; Cores consisting at least mainly of sand or soil, whether bound or not
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Ceramic Engineering
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Mechanical Engineering
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FR428031D1910-04-011911-04-01Procédé de fabrication de moules pour produits en béton, ciment ou autres matières analogues
ExpiredFR428031A
(fr)