Plastic and nonmetallic article shaping or treating: processes – Direct application of electrical or wave energy to work – Using sonic – supersonic – or ultrasonic energy
Reexamination Certificate
2005-07-12
2005-07-12
Tentoni, Leo B. (Department: 1732)
Plastic and nonmetallic article shaping or treating: processes
Direct application of electrical or wave energy to work
Using sonic, supersonic, or ultrasonic energy
C264S340000, C264S344000, C264S345000, C264S348000
Reexamination Certificate
active
06916441
ABSTRACT:
A method for removing supports from a three-dimensional object formed by solid freeform fabrication. The three-dimensional object and support structure both contain a phase change component in order to achieve the desired phase change characteristics needed for dispensing the material. The method prevents the phase change material within the three-dimensional object from migrating within the object during post processing to remove the support structure.
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U.S. Appl. No. 09/971,247, filed Oct. 3, 2001, by Schmidt et al.
U.S. Appl. 09/971,337, filed Oct. 3, 2001, by Schmidt.
Newell Kenneth J.
Schmidt Kris Alan
Sherwood Michael Thomas
3-D Systems, Inc.
Curry James E.
D'Alessandro Ralph
Tentoni Leo B.
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