Boots – shoes – and leggings
Patent
1990-11-21
1993-04-06
Smith, Jerry
Boots, shoes, and leggings
36447431, 219 6912, G06F 1546, B23H 708
Patent
active
052009068
ABSTRACT:
Ratios between a distance between an upper wire guide and the upper surface of a workpiece to be machined, a thickness of the workpiece and a distance between a lower wire guide and the lower surface of the workpiece are given to the inlet and outlet positions of a wire electrode at the upper and lower surfaces of the workpiece which have been interpolated so as to directly obtain displacement positions of the upper and lower wire guides, along which the upper and lower wire guides are moved successively, thereby obtaining an articles which is accurately machined with a relatively simple machining procedure.
REFERENCES:
patent: 3731044 (1973-05-01), Ullmann et al.
patent: 4843203 (1989-06-01), Gamo et al.
patent: 5030819 (1991-07-01), Borsari
Busujima Akira
Makino Toshiyuki
Yamashita Takahiko
Garland Steven R.
Hitachi Seiko Ltd.
Smith Jerry
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