Method and apparatus for producing a three-dimensional object
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United States of America Patent
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Jul 15, 1997
Grant Date -
N/A
app pub date -
Aug 22, 1995
filing date -
Jan 11, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a method and an apparatus for producing three-dimensional objects by layerwise solidification of a material the problem is encountered that, in particular when using powdery or pasty material, a material layer having an exactly adjusted thickness can not be generated in a sufficiently fast manner. In order to solve this problem, it is proposed to scrape the material by means of a vibrating wiper member (21, 22) when applying the material or to provide a movable container (13) used for applying the material with such wiper members (21, 22) at the lower side thereof.
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