The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 27, 2020
Filed:
Oct. 26, 2016
Xerox Corporation, Norwalk, CT (US);
David A. Mantell, Rochester, NY (US);
Peter J. Nystrom, Webster, NY (US);
Christopher G. Lynn, Wolcott, NY (US);
Jun Ma, Penfield, NY (US);
Mark A. Cellura, Webster, NY (US);
Gary D. Redding, Victor, NY (US);
Xerox Corporation, Norwalk, CT (US);
Abstract
An apparatus includes a heater for converting a filament of extrusion material into thermoplastic material. The heater has a channel configured to change the cross-sectional shape of the filament to a cross-sectional shape that has a greater surface area than the surface area of the filament before the heater receives the filament. The channel of the heater can also be configured to drive the center portion of the filament toward the heated walls of the channel and to mix thermoplastic material in the channel while exposing the center portion of the filament to the heated wall of the channel.