Metal founding – Process – With measuring – testing – inspecting – or condition determination
Patent
1995-09-08
1997-04-08
Hail, III, Joseph J.
Metal founding
Process
With measuring, testing, inspecting, or condition determination
164 41, 164 46, 164131, 1641554, B22D 2300
Patent
active
056179111
ABSTRACT:
A method and apparatus for the accurate formation of a three-dimensional article comprises providing a supply of substantially uniform size droplets of a desired material wherein each droplet has a positive or negative charge. The supply of droplets is focused or aligned into a narrow stream by passing the droplets through or adjacent an alignment means which repels each droplet toward an axis extending through the alignment means. The droplets are deposited in a predetermined pattern at a predetermined rate onto a target to form the three-dimensional article without a mold of the shape of the three-dimensional article. A supply of support material is provided in a predetermined pattern adjacent the deposited droplets. The support material receives a further supply of droplets which form a part of the three-dimensional article.
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Sterett Robert A.
Sudhalkar Atul M.
Aeroquip Corporation
Hail III Joseph J.
Herrick Randolph S.
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