Boots – shoes – and leggings
Patent
1988-05-12
1990-02-06
MacDonald, Allen
Boots, shoes, and leggings
425144, B29F 100, G06F 1500
Patent
active
048992887
ABSTRACT:
In a temperature control indicating apparatus of a hot runner in a thermoplastic synthetic resin injection molding system, the apparatus has a hot runner comprising a body heater, a tip heater and a temperature sensor. The hot runner is connected to a hot runner temperature control circuit having A/D converter. The apparatus has the function of arithmetic control, setting operation and display. Further, the apparatus comprises a digital control means including a microprocessor, thereby the body heater of the hot runner is digital-controlled in the process of thermoplastic synthetic resin injection molding operation.
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MacDonald Allen
Marn Louis E.
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