4. Agitating
  5. Rubber or heavy plastic working
  6. Stirrer is through-pass screw conveyor

Andrew W. Christie

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Extruder screw for plastic extruders

Agitating – Rubber or heavy plastic working – Stirrer is through-pass screw conveyor
Patent

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Extruder screw with multiple flighting

Agitating – Rubber or heavy plastic working – Stirrer is through-pass screw conveyor
Patent

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Plastic co-extrusion apparatus with selectable polymer flow...

Stock material or miscellaneous articles – Structurally defined web or sheet – Including grain – strips – or filamentary elements in...
Reexamination Certificate

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