Degassing process for a worm extruder

Details Degassing process for a worm extruder Degassing process for a worm extruder

1987-11-12

1989-05-16

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Vacuum treatment of work

To degas or prevent gas entrapment

264211, 26421121, 26421123, 264349, B29C 4776

Patent

active

048308013

ABSTRACT:
Process for a worm extruder or continuous kneader to produce either a degasses paste or plastic composition is disclosed. A mixture of either solid or liquid organic peroxides in the paste or plastic composition having evaporable constituents are introduced into the device, homogenized and degassed by exposing the mixture to a degassing passage of the extruder. The mixture has a free surface which is more than 40% of the cross-section of the degassing passage and the minimum gas passage cross-section of the return delivery device amounts to at least about 0.1 times the degassing passage cross-section.

REFERENCES:
patent: 3360824 (1968-01-01), Schippers
patent: 3441387 (1969-04-01), Dye
patent: 3447582 (1969-06-01), Street
patent: 3535737 (1970-10-01), Hendry
patent: 3751527 (1973-08-01), Bortnick
patent: 3917507 (1975-11-01), Skidmore
patent: 3963558 (1976-06-01), Skidmore
patent: 3985348 (1976-10-01), Skidmore
patent: 4117548 (1978-09-01), Craig
patent: 4136968 (1979-01-01), Todd

Affiliated with

Also associated with

Rating

Degassing process for a worm extruder does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Degassing process for a worm extruder, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Degassing process for a worm extruder will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2320922