Data processing: generic control systems or specific application – Specific application – apparatus or process – Product assembly or manufacturing
Reexamination Certificate
2006-04-11
2006-04-11
Gandhi, Jayprakash N. (Department: 2125)
Data processing: generic control systems or specific application
Specific application, apparatus or process
Product assembly or manufacturing
C700S119000, C101S480000, C400S283000
Reexamination Certificate
active
07027887
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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Fairweather James A.
Gaylo Christopher M.
Pryor Timothy J.
Weitzel Douglas E.
Eichenberger Robert H.
Gandhi Jayprakash N.
Middleton & Reutlinger
Theries, LLC
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