Data processing: generic control systems or specific application – Specific application – apparatus or process – Product assembly or manufacturing
Reexamination Certificate
2011-06-07
2011-06-07
Patel, Ramesh B (Department: 2121)
Data processing: generic control systems or specific application
Specific application, apparatus or process
Product assembly or manufacturing
C264S221000, C264S112000, C264S472000, C264S673000, C029S557000, C029S841000, C029S848000, C700S097000, C700S197000, C700S201000, C700S200000, C269S047000, C269S095000, C269S100000, C269S293000, C425S058000, C425S589000, C705S400000, C249S035000, C249S094000, C249S195000
Reexamination Certificate
active
07957830
ABSTRACT:
A customer transmits their 3D CAD file for a part to be total profile machined. Computer analysis of the transmitted CAD file produces CNC machining instructions, which are transmitted back to an address defined by the customer. The customer can then use the transmitted CNC machining instructions to total profile machine their own part using their own CNC mill at the location where the part is likely needed. The transmitted instructions include not only the tool paths for CNC machining of the total profile of the part, but also for additional features formed into the encircling portion of a material block from which the part is to be total profile machined. For instance, the CNC machining instructions transmitted back to the customer can define a registration recess and/or channels or undercuts for fluid support material on an A-side of a material block. After the A-side of the block is machined, the customer adds and solidifies fluid support material into the machined recess. The CNC mill is then used to machine a support surface into a portion of the solidified support material surface. A registration fixture is applied into contact with the support surface CNC machining on the B-side of the material block is then performed while the part is supported by the solidified support material, substantially separating the part from the encircling block of material. The support material is then removed, such as by dissolving, freeing the part from the encircling block of material.
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Bloom Gregory M.
Dreizin Yuri A.
Lukis Lawrence J.
Lopez Olvin
Patel Ramesh B
Proto Labs, Inc.
Shewchuk Jeffrey D.
Shewchuk IP Services, LLC
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