Method and system for eliminating external piercing in NC...

Details Method and system for eliminating external piercing in NC... Method and system for eliminating external piercing in NC...

2004-07-16

2008-12-30

Alie, Ghassem (Department: 3724)

Cutting

Processes

C083S027000, C083S039000, C700S166000, C219S121670

Reexamination Certificate

active

07469620

ABSTRACT:
This invention pertains to machinery and methods for cutting a workpiece utilizing a cutting tool into at least two parts having prescribed shapes from a metal plate comprising the steps of: identifying each of the parts by one or more contour lines; cutting a workpiece along one of the identifying contour lines into one of the parts; creating at least one path diversion, wherein the diversion has an associated bounded region or opportunity; cutting the workpiece along a contour line associated with the opportunity; resuming the cutting of the part along the identifying contour line with minimal damage to the part being cut; finishing the cutting of the part and then moving the cutting tool to the opportunity and thence to an associated adjacent identifying contour line and then repeating the process until all parts have been manufactured.

REFERENCES:
patent: 6128546 (2000-10-01), Basista et al.
patent: 6359251 (2002-03-01), Picard et al.
patent: 6609044 (2003-08-01), Basista et al.
patent: 1 342 526 (2003-09-01), None
European Search Report dated Apr. 28, 2005 issued in related European Patent Application Serial No. 04026900.
European Examination Report dated Sep. 29, 2006 issued in related European Patent Application Serial No. 04026900.
Reply to European Examination Report dated Sep. 29, 2006 issued in related European Patent Application Serial No. 04026900 filed Feb. 14, 2007.
Consultation by Telephone dated Oct. 4, 2007 issued in related European Patent Application Serial No. 04026900.
Communication Under Rule 71(3) EPC of Notice to Grant related European Patent Application 04026900 dated Apr. 16, 2008, 5 pages.

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