Resonantly-powered plasticizer

Details Resonantly-powered plasticizer Resonantly-powered plasticizer

1981-12-07

1983-05-17

Coe, Philip R.

Agitating

Rubber or heavy plastic working

With specified feed means

366118, 366332, B28C 704

Patent

active

043837654

ABSTRACT:
A plasticizer for melting raw plastic feed material and the like includes a pair of resonant beams horizontally mounted on a frame and having a plasticizing chamber defined between a pair of vertically aligned anti-nodes. A pair of pistons projecting from said anti-nodes define movable walls of the chamber which are vibrated by resonantly exciting the beams. Raw plastic feed material held within the chamber may be subjected to relatively high pressure, including a superimposed pressure component imparted by the vibration of the resonant beams. Such pressure and vibration act to melt the raw plastic feed material which may be discharged from the chamber by lowering the uppermost beam to evacuate the chamber.

REFERENCES:
patent: 2890491 (1959-06-01), Hendry
patent: 4343233 (1982-10-01), Burgin

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