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
B21C1/32—Feeding or discharging the material or mandrels
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Shaping By String And By Release Of Stress In Plastics And The Like
(AREA)
Dispositif pour redresser l'extrémité d'un fil, d'une barre ou d'une tige, enroulé sous forme d'une bobine, et destinée notamment à être introduite dans une machine-outil.