Method for the layered construction of models
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United States of America Patent
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Sep 20, 2011
Grant Date -
Oct 26, 2006
app pub date -
Jun 14, 2004
filing date -
Jun 17, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method for the layered construction of models is disclosed, whereby at least one first material is applied to a building platform and then a second material is selectively applied in layers. Both application steps are then repeated until the desired model is obtained and the both materials form a solid body with a desired mixing ratio. The first material comprises a moulding sand and the first and/or the second material comprises a binder, comprising a crystalline salt binder, or/and a protein binder.
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