Can body maker with magnetic ram bearing and redraw actuator
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Oct 25, 1994
Issued Date -
N/A
app pub date -
Mar 23, 1993
filing date -
Sep 7, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A can body maker apparatus including a stationary support frame; a housing having forming and ironing dies located therein mounted on the support frame; an elongated ram; a reciprocating ram drive; and a redraw assembly which includes a redraw sleeve for supporting a can body preform thereon; a redraw carriage for supporting and axially displacing the redraw sleeve relative the ram; a redraw electromagnetic coil fixedly positioned relative the stationary support frame; and a permanent magnet fixedly mounted with respect to the redraw carriage in displace relationship with the coil along the coil axis for co-acting with the electromagnetic field produced by the coil for controllably reciprocatingly displacing the redraw carriage. Also, apparatus is provided for applying a force on the redraw sleeve while the redraw sleeve is in contact with the can body preform so that the redraw sleeve applies a pressure on the can body preform and control apparatus for controlling the amount of force applied on the redraw sleeve.
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