Extruder feed system
First Claim
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1. Extruder feed system comprising:
- a pair of spaced-apart, internally and oppositely threaded rotatable elements for receiving and engaging a filament material; and
a motor for rotating the rotatable elements in opposite directions thereby to drive the filament into a liquefier chamber for subsequent discharge through a nozzle.
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Abstract
Extruder feed system. The system includes a pair of spaced-apart, internally and oppositely threaded rotatable elements for receiving and engaging a plastic filament material. An electric motor rotates the rotatable elements in opposite directions thereby to drive the filament into a liquefier chamber for subsequent discharge through a nozzle. The system provides very accurate layer-by-layer build up.
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Citations
9 Claims
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1. Extruder feed system comprising:
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a pair of spaced-apart, internally and oppositely threaded rotatable elements for receiving and engaging a filament material; and a motor for rotating the rotatable elements in opposite directions thereby to drive the filament into a liquefier chamber for subsequent discharge through a nozzle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification