Printing – Press part or attachment
Reexamination Certificate
2006-07-11
2006-07-11
Yan, Ren (Department: 2854)
Printing
Press part or attachment
C101S035000, C101S483000, C101S484000, C101S487000, C400S689000, C400S691000, C400S693000, C454S049000, C454S056000, C454S057000
Reexamination Certificate
active
07073442
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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Fedor Jeffrey A.
Gaylo Christopher M.
Materna Peter A.
AFBS, Inc.
Crenshaw Marvin P.
Yan Ren
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