Coating processes – Measuring – testing – or indicating – Thickness or uniformity of thickness determined
Patent
1984-08-30
1989-02-14
McIntosh, John
Coating processes
Measuring, testing, or indicating
Thickness or uniformity of thickness determined
118665, 118696, 118410, 264 401, 425141, 425466, B05C 502
Patent
active
048045578
ABSTRACT:
A thickness control system for controlling the thickness of an extrudate includes a host computer for controlling the temperature of a heat responsive element based upon a predetermined temperature set point. A back-up duty cycle controller is provided for control in the event of host failure.
REFERENCES:
patent: 3940221 (1976-02-01), Nissel
patent: 4454084 (1984-06-01), Smith et al.
patent: 4507073 (1985-03-01), Shelton
Anthony, Jr. John D.
Leffew Kenneth W.
E. I. DuPont de Nemours and Company
McIntosh John
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