FR576300A - Perfectionnements apportés à la fabrication des tuyaux en béton armé et d'objets analogues à l'aide de la force centrifuge
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Perfectionnements apportés à la fabrication des tuyaux en béton armé et d'objets analogues à l'aide de la force centrifuge
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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
B28B21/56—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts
B28B21/68—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts and applying centrifugal forces
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Ceramic Engineering
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Mechanical Engineering
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FR576300D1923-02-101924-01-24Perfectionnements apportés à la fabrication des tuyaux en béton armé et d'objets analogues à l'aide de la force centrifuge
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