HETCO

temperature control devices, namely temperature sensors for determining temperature, electrical controls responsive to signals received from the temperature sensors, and automatic regulatable valves controlled by the controls for opening and closing channels in a mold for flowing a cooling medium or a heating medium to the mold in order to provide a desired temperature to a molding machine, processing machine or engine of a motor vehicle; heaters and coolers for use with plastics injection-molding machines, plastics processing machines and motor-vehicle engines, namely valve-controlled channels for flowing of a heating medium or a cooling medium, all sold as a unit