Removable die center for extrusion dies

Details Removable die center for extrusion dies Removable die center for extrusion dies

1985-04-24

1986-11-11

Hoag, Willard E.

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For extrusion or injection type shaping means

425 67, 425308, 425310, 425378S, 425464, 425DIG13, B29C 4730, B29C 4786

Patent

active

046219960

ABSTRACT:
An extrusion die plate for a plastic pelletizing machine having a removable central insert having the plurality of extrusion orifices incorporated therein with the main body of the die plate including an opening receiving the insert with the insert being capable of quick and easy removable for cleaning of plastic material and for replacement of the insert with other inserts having a different number of extrusion orifices or a different size of extrusion orifices. The insert is screw threadedly connected or otherwise quickly detachably connected in an opening in the main body of the die plate to reduce the down time for maintenance and for product changes.

REFERENCES:
patent: 1160299 (1915-11-01), McFerren
patent: 3308507 (1967-03-01), Black
patent: 3957565 (1976-05-01), Livingstone et al.
patent: 4123207 (1978-10-01), Dudley
patent: 4167386 (1979-09-01), Mallay
patent: 4248577 (1981-02-01), Bory et al.
patent: 4300877 (1981-11-01), Anderson
patent: 4327050 (1982-04-01), Salmon
patent: 4378964 (1983-04-01), Wolfe
patent: 4465449 (1984-08-01), Hornbeck
patent: 4529370 (1985-07-01), Holmes et al.

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