Boots – shoes – and leggings
Patent
1993-11-26
1999-02-16
Gordon, Paul P.
Boots, shoes, and leggings
364191, 36446824, 36446825, 36447201, 36447424, 36447429, G06F 1700, G06F 1900
Patent
active
058727140
ABSTRACT:
Method of rapidly producing a contoured part, comprising: designing a computer graphic model of the part, sectioning the graphic model into graphic members which are at least one of blocks or slabs, carving a solid member (14-150 mm in thickness) for each of the graphic members, the solid member being proportion to and enveloping such graphic members, the carving being carried out by accessing two or more sides (opposite sides) of such solid member to at least essentially duplicate the corresponding graphic member, and securing the carved solid members together to replicate the graphic model as a usable unitary part.
The method can be modified to make castings by carving wax or foam solid members which are assembled to form an investment pattern, the was pattern being used in a shell mold casting steps and the foam pattern being used in evaporative casting steps.
REFERENCES:
patent: 4675825 (1987-06-01), DeMenthon
patent: 4736306 (1988-04-01), Christensen et al.
patent: 4979224 (1990-12-01), Maiocco et al.
patent: 5031483 (1991-07-01), Weaver
patent: 5177689 (1993-01-01), Kinasi et al.
patent: 5249135 (1993-09-01), Fujita
patent: 5351196 (1994-09-01), Sowar et al.
Brogley Martin Andrew
Burch Craig Edward
Grab Gerald A.
Grenkowitz Robert Walter
Novak Robert Francis
Ford Global Technologies Inc.
Gordon Paul P.
Malleck Joseph W.
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