Air discharge device for extrusion head

Details Air discharge device for extrusion head Air discharge device for extrusion head

1989-12-29

1991-03-19

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Control means responsive to or actuated by means sensing or...

366 75, 366 77, 425203, 4253824, 425812, B29B 772, B29B 784, B29C 4776

Patent

active

050006703

ABSTRACT:
An extrusion head for processing rubber or thermoplastic plastics material including a housing flange-mountable on a screw extrusion device. The head further including an inlet region for receiving material from the extrusion device and for receiving the downstream end of the screw, the inlet leading into a flow channel portion and a nozzle outlet which receives the material from the flow channel for extrusion in the form of a shaped profile. A sealable air discharge device is disposed in the flow channel portion to remove air bubbles, particularly that which is formed during the start up phase of the extrusion downstream of the downstream end of the screw.

REFERENCES:
patent: 3193876 (1965-07-01), Thompson
patent: 3535737 (1970-10-01), Hendry
patent: 3924997 (1975-12-01), Kosinsky
patent: 4255161 (1981-03-01), Guinminger et al.
patent: 4642039 (1987-02-01), Anders
patent: 4695236 (1987-09-01), Predohl et al.
patent: 4822269 (1989-04-01), Kamiyama et al.

Affiliated with

Also associated with

Rating

Air discharge device for extrusion head does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Air discharge device for extrusion head, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Air discharge device for extrusion head will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2006937