Methods and systems for the manufacture of layered three-dimensional forms
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United States of America Patent
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Oct 5, 2010
Grant Date -
Jan 27, 2005
app pub date -
Jun 11, 2004
filing date -
Jun 16, 2003
priority date (Note) -
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Abstract
New methods and systems for manufacturing a three-dimensional form, comprising steps of providing a plurality of particulates; contacting the particulates with an activation agent; contacting particulates having the activation agent with a binder material that is activatable by the activation agent; at least partially hardening the binder for forming a layer of the three-dimensional form; and repeating these steps to form the remainder of the three-dimensional form. Following sequential application of all required layers and binder material to make the form, the unbound particles are appropriately removed (and optionally re-used), to result in the desired three-dimensional form. The invention also contemplates a novel method for preparing a form, where unbound particulates free of binder material are re-claimed.
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