Plastic and nonmetallic article shaping or treating: processes – With measuring – testing – or inspecting – Measuring a weight or volume
Patent
1978-11-29
1980-11-11
Thurlow, Jeffery R.
Plastic and nonmetallic article shaping or treating: processes
With measuring, testing, or inspecting
Measuring a weight or volume
264 407, 264148, 425140, 425141, 425377, B29F 302
Patent
active
042332559
ABSTRACT:
An extruding system for the production of continuously extruded elastomer, such as tread stock for the manufacture of vehicle tires, has an extruder, a first take-away conveyor belt for conveying the extrusion as it exits the extruder, a second conveyor belt for varying the thickness or weight of the extrusion after leaving the first conveyor belt, a sensor to measure the running-weigh-scale value and a targeted running-weigh-scale value. The weight or thickness of the continuously extruded elastomer is controlled by measuring the weight of the continuous extrusion at the running-weigh-scale. The measured value is compared to the target value to obtain a control signal. The control signal is used to adjust the difference in speed between the first conveyor belt and the second conveyor belt.
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patent: 4087499 (1978-05-01), Bayonnet
patent: 4088721 (1978-05-01), Apicella, Jr.
patent: 4097566 (1978-06-01), Bertin et al.
Measurex Corporation
Thurlow Jeffery R.
Yin Ronald L.
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