Die for producing plastic resin pellets

Details Die for producing plastic resin pellets Die for producing plastic resin pellets

1978-09-08

1980-02-05

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Preform severing means

Means forming from bulk and downstream severing means

425464, 264142, B29C 1714

Patent

active

041870670

ABSTRACT:
A die formed of a series of concentric rings is disclosed. An outer body has a series of communication ports for the introduction of a heating medium. An inner body having the same axial thickness as the outer body is placed inside the outer and in the annular space defined between the inner and outer bodies a series of annular rings are placed. The annular rings each have a series of nozzles disposed in a circumferential ring and are formed with grooves on their outer walls to define jackets between the rings. The jackets are in communication with the communication ports to supply a heating medium to the jacket.

REFERENCES:
patent: 3452934 (1969-07-01), McNeal

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