Title:
METHOD AND APPARATUS FOR HOLDING EXTRUSION MATERIAL OF SCREW EXTRUDER, AND PROCESSOR THEREFOR
Document Type and Number:
Japanese Patent JPH068304
Kind Code:
A
Abstract:
PURPOSE: To change an extrusion amt. per a unit time over a wide range while holding a constant predetermined temp. in a screw extruder.
CONSTITUTION: Pins 8, 13 are arranged to areas where the feed screw of the screw 2 in an extruder is interrupted by annular grooves. The pins 8 are fixed to positions predetermined for a constant desirable plasticizing and hogenizing degree during a work process and the pins 13 are changed in peneration depth corresponding to the temp. of an extrusion material during a work process.
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Inventors:
HAINTSU KURAIN
Application Number:
JP7902993A
Publication Date:
January 18, 1994
Filing Date:
March 11, 1993
Export Citation:
Assignee:
TROESTER MASCHF PAUL
International Classes:
B29C48/395; B29C48/92; B29C48/03; (IPC1-7): B29C47/36; B29C47/92
Attorney, Agent or Firm:
Hidehiko Okada (2 outside)
Next Patent: SCREW SEGMENT OF BIAXIAL EXTRUDER