Apparatus and methods for handling materials in a 3-D printer
Patent Information
- Authority / Receiving Office
- US · United States
- Patent Type
- Applications(United States)
- Current Assignee / Owner
- 3D SYST INC
- Publication Date
- 2008-02-28
- Estimated Expiration
- Not applicable · inactive patent
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Abstract
Description
CROSS-REFERENCE TO RELATED APPLICATIONS
[0001] This application claims the benefit of and priority to U.S. Provisional Patent Application Ser. No. 60 / 808,721, filed on May 26, 2006, the entire disclosure of which is hereby incorporated by reference herein. This application also incorporates herein by reference three U.S. patent applications filed of even date herewith and identified by Attorney Docket Nos. ZCO-116B, ZCO-116C, and ZCO-116D.FIELD OF THE INVENTION
[0002] The present invention relates generally to the field of 3D printers and in particular to powder and waste handling systems therefor. BACKGROUND OF THE INVENTION
[0003] Generally, 3D printing involves the use of an inkjet type printhead to deliver a liquid or colloidal binder material to layers of a powdered build material. The printing technique involves applying a layer of a powdered build material to a surface typically using a roller. After the build material is applied to the surface, the printhead delivers the liq...