Extrusion and pelleting apparatus and method

Details Extrusion and pelleting apparatus and method Extrusion and pelleting apparatus and method

1980-09-22

1982-04-27

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

With severing, removing material from preform mechanically,...

To form particulate product

264176F, 425 67, 425311, 425464, B28B 1116

Patent

active

043270506

ABSTRACT:
Uniformity of flow rate through an extrusion or pelleting die is provided through each of a plurality of orifices of substantially equal cross sectional area by providing a die in which the length of a narrowed portion of a downstream passageway associated with each orifice is chosen to provide the desired flow characteristics.

REFERENCES:
patent: 2408713 (1946-10-01), Webb
patent: 3129458 (1964-04-01), Mitchell
patent: 3259938 (1966-07-01), Martin
patent: 3737269 (1973-06-01), Grady
patent: 3753637 (1973-08-01), Gasior et al.
patent: 3986816 (1976-10-01), Gwinn et al.
patent: 4056597 (1977-11-01), Cooper

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