Thickness control system for an extrusion coating apparatus

Details Thickness control system for an extrusion coating apparatus Thickness control system for an extrusion coating apparatus

1987-03-26

1988-08-23

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

With measuring, testing, or inspecting

264 406, 264 407, 425141, 425144, 425160, 425172, B29C 4792

Patent

active

047659416

ABSTRACT:
A thickness control system for controlling the thickness of an extrudate includes a nested temperature control loop for controlling the temperature of a heat responsive element based upon a predetermined temperature set point. The temperature set point for the temperature control loop is computed based upon the measured thickness of the extrudate.

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