Title:
3次元物体を層状に製造する方法及びその方法に適した材料系
Document Type and Number:
Japanese Patent JP2007518605
Kind Code:
A
Abstract:
Particles with internal cavities are applied onto a surface to form a layer. An energy beam or fluid jet is directed at selected areas of the layer according to the object cross-section to bond the particles together. The process is repeated for a number of layers to progressively form the object. Cavities in the particles remain intact during an irradiation or other process for bonding particles together. Particle diameter is not >500, preferably 10-300 microns. Cavity volume in a particle is 30-90%, preferably 50-80% of total particle volume. Independent claims are included for: a) use of particles with internal cavities for forming three-dimensional objects; b) a multi-phase material system for use in 3-D printing containing particles with internal cavities and a fluid which on contact with particles joins them together; c) particles with cavities for use in selective laser sintering processes and which have a material on the surface with a softening point not >100[deg]C; d) an object made from particles joined together by the claimed process and using the claimed material system.
Inventors:
Greiner, Ralph
Application Number:
JP2006550057A
Publication Date:
July 12, 2007
Filing Date:
January 21, 2005
Export Citation:
Assignee:
EOS GmbH Electro Optical Systems
International Classes:
B29C67/00; B22F1/06; B22F3/105; B28B1/00; B29C41/00
Domestic Patent References:
| JPH10202082A | 1998-08-04 | |||
| JP2002527144A | 2002-08-27 |
Foreign References:
| WO2004062891A1 | 2004-07-29 | |||
| WO2003106146A1 | 2003-12-24 |
Attorney, Agent or Firm:
Takashi Tsuno
Masayuki Miyake
Masayuki Miyake