Method of input for a plasticating machine through a jewel orifi

Details Method of input for a plasticating machine through a jewel orifi Method of input for a plasticating machine through a jewel orifi

1997-06-17

1999-08-31

Timm, Catherine

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

With internal application of fluid pressure

425130, B29C 4500

Patent

active

059450614

ABSTRACT:
The invention comprises a plasticating machine for the working and forcing of plastic material into a mold, said machine including an elongated housing having a first or proximal end and a second or distal end, an elongated screw shaft with a screw flight therearound, the screw shaft being rotatably supported in the elongated housing, for the working of plastic between the screw shaft and the elongated housing with at least one delivery conduit generally longitudinally arranged through the screw shaft, from a proximal end to a distal tip end thereof. The conduit may be arranged to be movable with respect to the screw shaft to permit delivery of a medium through the screw shaft to any plastic being driven from the machine. The medium may be any single or combination of components selected from the group comprising vapor, liquid, gas, powder or solid, to control the machine or treat any plastic being driven therefrom.

REFERENCES:
patent: 3750961 (1973-08-01), Franz
patent: 4776998 (1988-10-01), Davidson et al.
patent: 5277366 (1994-01-01), Ursic
patent: 5282310 (1994-02-01), Rommelmann et al.
patent: 5665278 (1997-09-01), Allen et al.

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