Form station platen drive for a thermoforming machine and a method of leveling platens
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United States of America Patent
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Dec 13, 2011
Grant Date -
Oct 28, 2010
app pub date -
Apr 16, 2010
filing date -
Apr 16, 2009
priority date (Note) -
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Abstract
A platen drive system and method of leveling platens in a forming station of a twin sheet thermoforming machine in which each platen is driven vertically by four independently operated drive units, each having an electric servo motor, the drive units arranged in two sub sets disposed on opposite sides of an associated platen. The platen is leveled during set up by individual operation of the servo motors.
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