B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
B21D 24/10 (2006.01) B21D 22/30 (2006.01) B21D 51/26 (2006.01)
Patent
CA 2091570
A linear electromagnetic actuator (22, 22') has its core (26; 26') mounted to a can body forming apparatus (10) and its coil (28) attached to re-draw sleeve (14) of such apparatus (10). The actuator (22, 22') provides for the axial movement of the re-draw sleeve (14) between its fully retracted position and its fully extended position. The re-draw sleeve (14) and the coil are coaxially mounted to each other so that the force exerted on the re-draw sleeve (14) is also coaxial. Once the re-draw sleeve is in its fully extended position, an electromagnet (142) is turned,on so that the re-draw sleeve (14) exerts the requisite force on the can material preform (17). The electromagnet (142) is mounted coaxially about the re-draw sleeve (14) and exerts its force on a magnetic material ring (42) mounted to the re-draw sleeve (14) to hold the re-draw sleeve (14) against the can material preform (17).
Actionneur électromagnétique linéaire (22, 22') dont la partie centrale (26, 26') est montée sur un appareil (10) de formage de corps de boîte de conserve et dont le bobinage (28) est fixé au manchon de réétirage (14) dudit appareil (10). L'actionneur (22, 22') provoque le mouvement axial du manchon de réétirage (14) entre sa position de rétraction totale et sa position d'extension totale. Le manchon de réétirage (14) et le bobinage sont montés coaxialement ensemble si bien que la force exercée sur le manchon de réétirage (14) est également coaxiale. Dès que le manchon de réétirage est en position d'extension totale, un électro-aimant (142) est mis en marche de manière à ce que le manchon de réétirage (14) exerce la force nécessaire sur l'ébauche (17) en matériau pour boîtes de conserves. L'électro-aimant (142) est monté coaxialement autour du manchon de réétirage (14) et exerce sa force sur une bague en matériau magnétique (42) montée sur le manchon de réétirage (14) pour maintenir ce dernier (14) contre l'ébauche (17) en matériau pour boîtes de conserves.
Aura Systems Inc.
Macrae & Co.
LandOfFree
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