Apparatus and method for preparing a plasticated material

Details Apparatus and method for preparing a plasticated material Apparatus and method for preparing a plasticated material

1975-07-07

1977-09-20

Smith, Robert I.

Plastic article or earthenware shaping or treating: apparatus

Projection

425208, B29B 300, B29H 110

Patent

active

040492451

ABSTRACT:
Apparatus and method for preparing a plasticated material from solids introduced into the apparatus, the apparatus including a barrel having a screw conveyor defining a channel for conveying the material in a downstream direction as the material is melted, the channel including a solids conveying zone and a melting zone downstream from the solids conveying zone, the apparatus and the method including, respectively, means and the step of providing an abrupt change in the volume of the channel at a specified location between the solids conveying zone and the melting zone for inducing the formation of a melt pool in the channel at that location.

REFERENCES:
patent: 3850415 (1974-11-01), Hansen
patent: 3902704 (1975-09-01), Ishibashi et al.
Design and Control of Extruders using Computerized Models, Reprint from Wire & Wire Products, Oct. 1972.

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