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:
Mar. 03, 2020
Filed:
Mar. 27, 2017
International Business Machines Corporation, Armonk, NY (US);
Alan B. Dawson, Hampshire, GB;
James P. Hodgson, Hampshire, GB;
Gordon D. Hutchison, Hampshire, GB;
Matthew B. White, Hampshire, GB;
International Business Machines Corporation, Armonk, NY (US);
Abstract
A method and apparatus are provided for printing multicolored three-dimensional objects. The method includes: selectively exposing a photosensitive thermoplastic feedstock to light within an extrusion nozzle, the feedstock comprising a thermoplastic base mixed with a photosensitive material; extruding the exposed feedstock into a deposit to print an object; and photo-chemically developing the deposit to provide color to the deposit. An apparatus is provided for three-dimensional printing with an extrusion nozzle including a light exposing component for selectively exposing the photosensitive thermoplastic feedstock to light within the extrusion nozzle.