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B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
B28B21/00—Methods or machines specially adapted for the production of tubular articles
B28B21/02—Methods or machines specially adapted for the production of tubular articles by casting into moulds
B28B21/10—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means
B28B21/22—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means using rotatable mould or core parts
B28B21/24—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means using rotatable mould or core parts using compacting heads, rollers, or the like
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Ceramic Engineering
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Mechanical Engineering
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FR1001175D1948-12-241949-12-12Procédé et appareil pour la fabrication de tuyaux et conduits en béton
ExpiredFR1001175A
(fr)