Plastic and nonmetallic article shaping or treating: processes – Carbonizing to form article – Agglomeration or accretion
Patent
1984-08-13
1986-02-25
Flint, Jr., J. Howard
Plastic and nonmetallic article shaping or treating: processes
Carbonizing to form article
Agglomeration or accretion
264 61, 4251748R, 164467, 164503, B29D 702, B22D 2702
Patent
active
045728127
ABSTRACT:
A method and apparatus is disclosed for casting conductive and semiconduce materials. The apparatus includes a plurality of conductive members arranged to define a container-like area having a desired cross-sectional shape. A portion or all of the conductive or semiconductive material which is to be cast is introduced into the container-like area. A means is provided for inducing the flow of an electrical current in each of the conductive members, which currents act collectively to induce a current flow in the material. The induced current flow through the conductive members is in a direction substantially opposite to the induced current flow in the material so that the material is repelled from the conductive members during the casting process.
REFERENCES:
patent: 4116598 (1978-09-01), Alexandrov et al.
patent: 4358416 (1982-11-01), Yarwood et al.
patent: 4452297 (1984-06-01), Ungarean et al.
patent: 4465118 (1984-08-01), Dantzig et al.
patent: 4469165 (1984-09-01), Ungarean et al.
Albrecht John M.
Flint, Jr. J. Howard
Hightower Judson R.
Richardson Kenneth L.
The United States of America as represented by the Secretary of
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