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ANONIMA ETERNIT PIETRE ARTIFIC
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ANONIMA ETERNIT PIETRE ARTIFIC
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Application filed by ANONIMA ETERNIT PIETRE ARTIFICfiledCriticalANONIMA ETERNIT PIETRE ARTIFIC
Application grantedgrantedCritical
Publication of FR466462ApublicationCriticalpatent/FR466462A/en
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
B28B21/42—Methods or machines specially adapted for the production of tubular articles by shaping on or against mandrels or like moulding surfaces
B28B21/48—Methods or machines specially adapted for the production of tubular articles by shaping on or against mandrels or like moulding surfaces by wrapping, e.g. winding
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FR466462D1913-08-251913-12-22
Process for the manufacture of seamless pipes of fibrous materials and hydraulic cements
ExpiredFR466462A
(en)