METHOD AND SYSTEM FOR PRODUCING IMPROVED COLORING IN OBJECT MANUFACTURED BY SOLID FREEFORM FABRICATION

Japanese Patent JP2005014609

A

To improve accuracy in coloring repetition of an object produced by means of a solid freeform fabrication technique.

The object of desired shape is produced as follows. A powdery component 234 is spread in a predetermined thickness in a fabrication chamber 202 of a freeform fabrication system 200 as the second material; then the first material 232 comprising a colorant and a binder is discharged from a discharge device 233 in a programmed pattern so that the component 234 is solidified to form a layer of a desired shape; and the layer is laminated by repeating the above sequential process. During the process, the colorant precipitates by pH influence etc., and is retained near to the surface of the produced object. As the first material 232 discharged from the discharge device 233, two or more types comprising colorants of different colors such as CMYK, are available and the object is produced in optional color by changing composition ratio in the first material 232 discharged.

JPS5795427	INJECTION MOLDING
JPS5944980	[Title of the Invention] A manufacturing method of a vulcanized gum article

NIELSEN JEFFREY ALLEN
CASTLE STEVEN T
COLLINS DAVID C

JP2004172267A

January 20, 2005

June 10, 2004

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HEWLETT PACKARD DEVELOPMENT CO

B29C35/00; B29C41/32; B29C67/00; G06F17/50; (IPC1-7): B29C67/00

JPH06106841A	1994-04-19
JPH05208548A	1993-08-20
JP2001150556A	2001-06-05
JP2002307562A	2002-10-23
JPH09118850A	1997-05-06
JP2000129184A	2000-05-09
JP2000280354A	2000-10-10
JP2003515165A	2003-04-22

WO2003016030A1

2003-02-27

Masaki Goto
Yoshio Matsuda
Hideo Ueno
Masaaki Iida

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