Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Berg Heckmann Selve AG
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Berg Heckmann Selve AG
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Filing date
Publication date
Application filed by Berg Heckmann Selve AGfiledCriticalBerg Heckmann Selve AG
Application grantedgrantedCritical
Publication of FR664217ApublicationCriticalpatent/FR664217A/en
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
B21C1/34—Guiding or supporting the material or mandrels
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR664217D1927-10-181927-10-18
Device for stretching the calibration mandrel in the pipes to be drawn
ExpiredFR664217A
(en)