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Berg Heckmann Selve AG
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Berg Heckmann Selve AG
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Application filed by Berg Heckmann Selve AGfiledCriticalBerg Heckmann Selve AG
Application grantedgrantedCritical
Publication of FR664217ApublicationCriticalpatent/FR664217A/fr
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
B21C1/00—Manufacture of metal sheets, wire, rods, tubes or like semi-manufactured products by drawing
B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by means other than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, rods or tubes
B21C1/34—Guiding or supporting the material or mandrels
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR664217D1927-10-181927-10-18Dispositif pour l'étirage du mandrin de calibrage dans les tuyaux à étirer
ExpiredFR664217A
(fr)