Plastic and nonmetallic article shaping or treating: processes – Direct application of electrical or wave energy to work – Using laser sintering of particulate material to build...
Reexamination Certificate
2005-08-23
2005-08-23
Tentoni, Leo B. (Department: 1732)
Plastic and nonmetallic article shaping or treating: processes
Direct application of electrical or wave energy to work
Using laser sintering of particulate material to build...
C264S101000, C264S113000, C425S174400, C425S215000, C425S375000
Reexamination Certificate
active
06932935
ABSTRACT:
A process is provided for producing a three-dimensional object having the steps forming the object (3) in a container (1, 200) arranged within a process chamber (100) on a carrier (4) which can be displaced in the container by sequential selective solidification of layers of a pulverulent material (11) which can be solidified by the action of electromagnetic or particle radiation at positions corresponding to the cross-section of the object in the particular layer, characterised by the step of controlled removal of non-solidified pulverulent material (11) after completing the object (3).
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Mattes Thomas
Oberhofer Johann
Weidinger Jochen
Edwards & Angell LLP
EOS GmbH Electro Optical Systems
Neuner George W.
Tentoni Leo B.
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