Apparatus, systems and methods for use in three-dimensional printing
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United States of America Patent
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Apr 11, 2006
Grant Date -
Jan 8, 2004
app pub date -
Jul 3, 2002
filing date -
Jul 3, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Apparatus, systems and methods for use in three-dimensional printing are shown and described. Various embodiments of the invention allow for more precise and controlled delivery of heat to achieve interlayer drying; isolation of the working region from the outside for reasons of cleanliness and in connection with the vapors of organic solvents; better control of the temperature of the working region; better accuracy in the flowrates of binder fluid dispensed; matching of delivered flowrates for multiple dispensers; verification of delivered flowrate or drops; provision for easier changeover of the machine from one powder to another; cleanability; and other needs.
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