Data processing: generic control systems or specific application – Specific application – apparatus or process – Product assembly or manufacturing
Reexamination Certificate
2005-07-26
2005-07-26
Picard, Leo (Department: 2125)
Data processing: generic control systems or specific application
Specific application, apparatus or process
Product assembly or manufacturing
C700S029000, C700S098000, C700S182000, C345S419000
Reexamination Certificate
active
06922602
ABSTRACT:
The method includes the steps of assigning entered attribution information including material and thickness of a sheet metal to a specified solid model, assigning entered designation information for designating an open plane and a bending portion to the solid model, obtaining a minimum radius of curvature at the bending portion from the material and the thickness of the sheet metal, generating a downsized model defined by the designated open plane and a plurality of planes that are generated by moving a plurality of planes of the solid model except the open plane inward in parallel by a distance that is a sum of the thickness of the sheet metal and the minimum radius of curvature, generating inner wall surfaces by moving a plurality of surfaces of the downsized model except for the open plane outward in parallel by a distance that is equal to the minimum radius of curvature, generating plate portions by a projection process in which the inner wall surfaces are further moved outward in parallel by a distance that is equal to the thickness of the sheet metal, and generating a bending portion form that is a fillet connecting neighboring plate portions at the bending portion designated in the solid model.
REFERENCES:
patent: 4912644 (1990-03-01), Aoyama et al.
patent: 6490498 (2002-12-01), Takagi
patent: 6542937 (2003-04-01), Kask et al.
patent: 2002/0065790 (2002-05-01), Oouchi
patent: 2004/0148046 (2004-07-01), Fukumura
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patent: 2001306638 (2001-11-01), None
patent: 2003108212 (2003-04-01), None
Picard Leo
Rao Sheela S.
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