Method and apparatus for producing a three-dimensional object
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United States of America Patent
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Aug 19, 1997
Grant Date -
N/A
app pub date -
Aug 8, 1994
filing date -
Jan 11, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a method for producing a three-dimensional object wherein the object is produced layer by layer by applying a layer of a material which can be solidified by irradiation with electromagnetic radiation and subsequently solidifying the layer at the points corresponding to the object by irradiation the problem is encountered that the production process is considerably delayed by long heating and cooldown times within the apparatus used for the production. According to the invention this problem is solved by irradiating and thereby solidifying in each layer a region of the material surrounding the object so as to produce a container wall (26) for the material (21).
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