Plastic and nonmetallic article shaping or treating: processes – Carbonizing to form article – Agglomeration or accretion
Patent
1980-12-04
1982-11-09
Thurlow, Jeffery R.
Plastic and nonmetallic article shaping or treating: processes
Carbonizing to form article
Agglomeration or accretion
164467, 164503, 264 26, 264 85, 264557, 264165, 264237, 264332, 4251748R, B22D 2702, B22D 2704
Patent
active
043584160
ABSTRACT:
An apparatus and process is provided for electromagnetically casting molten material into a desired shape. A containment zone is established. The containment zone has a first section for electromagnetically containing the molten material and a second section downstream and communicating with the first section for forming the molten material into the desired shape. The improvement comprises a heat extraction device for directing a cooling medium into the containment zone whereby the cooling medium passes the molten material in the second section to rapidly solidify the molten material prior to passing the molten material in the first section to lower the temperature in the contained molten material to minimize superheating. A second embodiment of the invention includes a secondary cooling device associated with the heat extraction device for directing a cooling medium against the solidified material. A further embodiment provides an auxiliary cooling manifold device which may or may not be used in conjunction with the heat extraction device and the secondary cooling device. The auxiliary cooling device directs a cooling medium through the containment zone between the molten material and the device for establishing a containment zone whereby the cooling medium is vented out of the upstream end of the containment zone.
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Pryor Michael J.
Tyler Derek E.
Yarwood John C.
Cohn Howard M.
Kelmachter Barry L.
Olin Corporation
Thurlow Jeffery R.
Weinstein Paul
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