Form station platen drive for a thermoforming machine and a...

Details Form station platen drive for a thermoforming machine and a... Form station platen drive for a thermoforming machine and a...

2010-04-16

2011-12-13

Heitbrink, Jill (Department: 1743)

Plastic and nonmetallic article shaping or treating: processes

With measuring, testing, or inspecting

C425S150000

Reexamination Certificate

active

08075816

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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patent: 6200122 (2001-03-01), Chun et al.
patent: 6969246 (2005-11-01), Kundinger et al.

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