Apparatus and method for producing an object using stereolithography
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United States of America Patent
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-
May 18, 1999
Grant Date -
N/A
app pub date -
Dec 23, 1996
filing date -
Apr 25, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for producing an object by stereolithography is provided with a tank (1) receiving a bath of liquid or powdery material which can be solidified by action of electromagnetic radiation. In known manner the apparatus comprises a support (4) for positioning the object relative to the surface (3) of the bath and a device (8) for solidifying a layer of the material (3) adjacent to the surface using electromagnetic radiation. In order to allow a precise adjustment of the layer thickness the apparatus comprises a supplying device (51) for supplying the solidifiable material (3), the supplying device extending transversely across the tank and having a discharge opening (53) at its bottom side in operational position, a channel extending in the interior thereof and communicating with the discharge opening (53), the channel being connected at one point with a pump (63) through a conduit (62).
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