Method for directly cooling melted thermoplastic resins

Details Method for directly cooling melted thermoplastic resins Method for directly cooling melted thermoplastic resins

1974-11-01

1978-07-11

Thurlow, Jeffery R.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

366 75, 264 28, 264102, 264237, 425379R, B29F 308

Patent

active

041002440

ABSTRACT:
Direct cooling of melted thermoplastic resins, while in a continuous extruding operation, can be achieved, by pouring into them a coolant such as pure water, liquid nitrogen or the like in the cooling region of the continuous extruder so that the resins are directly cooled by the latent heat of the coolant or the temperature difference between the resins and the coolant.

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