Device for layerwise manufacturing of a three-dimensional...

Details Device for layerwise manufacturing of a three-dimensional... Device for layerwise manufacturing of a three-dimensional...

2006-05-22

2011-12-13

Del Sole, Joseph (Department: 1743)

Plastic and nonmetallic article shaping or treating: processes

With step of cleaning, polishing, or preconditioning...

C264S001360, C425S174400, C425S375000

Reexamination Certificate

active

08075814

ABSTRACT:
An apparatus for layerwise manufacturing of a three-dimensional object by solidification of a material, which can be solidified via electromagnetic radiation, includes a source for the electromagnetic radiation, a building space for manufacturing the three-dimensional object, a coupling window, for transmitting the electromagnetic radiation into the building space and a heating element for heating the coupling window. By the heating element the temperature of the lens is increased during the building of the three-dimensional object. By the increased temperature the accumulation of contamination on the coupling window is prevented.

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