Plastic article or earthenware shaping or treating: apparatus – Control means responsive to or actuated by means sensing or... – Temperature control
Patent
1974-05-17
1976-04-13
Annear, R. Spencer
Plastic article or earthenware shaping or treating: apparatus
Control means responsive to or actuated by means sensing or...
Temperature control
264 40, B29F 308
Patent
active
039501183
ABSTRACT:
The temperature profile established across a heat exchanger, such as employed on an extrusion die, for example, is controlled by introducing fluid into the heat exchanger at a predetermined temperature. The temperature of the fluid withdrawn from the heat exchanger is measured, and the rate of flow of fluid through the heat exchanger is controlled in response to the measured temperature to maintain the measured temperature at a predetermined value.
REFERENCES:
patent: 2722716 (1955-11-01), Henning
patent: 3354501 (1967-11-01), Bachmann et al.
patent: 3502133 (1970-03-01), Carson
patent: 3759309 (1973-09-01), Nighman
Annear R. Spencer
Phillips Petroleum Company
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