Method for loading filament in an extrusion apparatus
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United States of America Patent
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Jan 30, 2007
Issued Date -
N/A
app pub date -
Dec 19, 2003
filing date -
Jun 23, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
Filament is loaded into an extrusion apparatus, such as a three-dimensional deposition modeling machine, by inserting a cassette containing filament into the apparatus. A filament strand from the cassette is then advanced into the machine, such as by operating a thumb wheel or a follower wheel on the cassette. The filament loading method of the present invention provides a convenient manner of loading and unloading filament in a three-dimensional modeling machine, and can be implemented in a manner that protects the filament from environmental moisture.
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