Is a
Patent attributes
Patent Applicant
0
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
William J. Swanson0
David L. Pollard0
Andrew M. Hahn0
Daniel I. Kimm0
Minea A. Popa0
Patrick W. Turley0
Paul E. Hopkins0
Steve Brose0
Date of Patent
August 2, 2005
0Patent Application Number
107363600
Date Filed
December 15, 2003
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An apparatus which extrudes flowable material from a liquifier includes a system for loading filament supplied in a cassette. The cassette is loaded into a loading bay of the apparatus. A strand of filament from the cassette is engaged and advanced along a path to the liquifier using a drive wheel or roller pair. A conduit having an entrance in the loading bay guides the filament as it is advanced. The filament loading system 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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