Apparatus for joining pieces of sheet metal

Details Apparatus for joining pieces of sheet metal Apparatus for joining pieces of sheet metal

B - Operations, Transporting

21

D

26/29

B21D 39/03 (2006.01)

Patent

CA 1289347

Abstract of the Disclosure An apparatus for joining two or more sheets by means of drawn and extruded material portions comprising a punch, a die and an anvil. The punch is driven to first cooperate with the die in a drawing step, then to transport the work piece to the anvil and to perform in cooperation with the latter an extrusion step. Preferably, a plurality of punches is driven to rotate and to cooperate with a die-and-anvil assembly common to all punches.

546976

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