Extruder for plastics

Details Extruder for plastics Extruder for plastics

1998-04-21

2000-06-13

Soohoo, Tony G.

Agitating

Rubber or heavy plastic working

Stirrer is through-pass screw conveyor

366144, B29C 4742

Patent

active

060740841

ABSTRACT:
An extruder comprising several zones, including at least a plasticizing and mixing zone, a residence, mixing and cooling zone, and a mixing and cooling zone being constructed as planetary-roller extruders, the zones being substantially shut off from one another by blisters, and being connected to one another via melt pipes and intermediate pumps.

REFERENCES:
patent: 3929322 (1975-12-01), Hanslik
patent: 4192617 (1980-03-01), Spielhoff
patent: 4686088 (1987-08-01), Fritsch
patent: 4889430 (1989-12-01), Mueller
patent: 5265955 (1993-11-01), Guggiari
patent: 5476319 (1995-12-01), Blach
patent: 5510073 (1996-04-01), Kaegi et al.

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