Metal founding – Process – Shaping liquid metal against a forming surface
Patent
1997-05-13
1999-11-23
Lin, Kuang Y.
Metal founding
Process
Shaping liquid metal against a forming surface
164468, 164502, 164504, B22D 2702
Patent
active
059882611
ABSTRACT:
Crystalliser for the continuous casting of billets, blooms, slabs and round bars, whether the crystalliser be of the plate type or substantially tubular, having cooled sidewalls (11) which include, in at least one longitudinal area, at least one perimeter area with electrical insulation elements (19) defining two electrically insulated ends, the sidewall of the crystalliser (10) included between the aforesaid two insulated ends having an electrical continuity, the ends being associated to electrical feed means (22) governed by a power supply system able to generate electromagnetic waves, defined and desired, interacting at least with the forming skin of the cast metal (12). Continuous casting method for billets, blooms, slabs, round bars and other products, used in a crystalliser (10) containing the cast metal (12), as shown above, at least the forming skin of the cast metal (12) inside the crystalliser (10) undergoing the action of a pulsating magnetic field generated by connecting at least two electrically insulated ends of at least one circumferential part of at least one longitudinal part of the sidewalls (11) of the crystalliser (10) to an electrical power source, the electrical power source inducing on the cast metal (12) pulsating currents of an intensity up to 150 kA.
REFERENCES:
patent: 4419177 (1983-12-01), Pryor et al.
patent: 4522249 (1985-06-01), Mulcahy
Patent Abstracts of Japan vol. 6, No. 1 (M-105) Jan. 7, 1982 & JP-A-56 126048 (Mitsubishi Jukogyo) Oct. 3, 1981 Abstract.
Patent Abstracts of Japan vol. 5, No. 76 (M-76) [748] May 20, 1981 & JP-A-56 026660 (Shin Nippon) Mar. 14, 1981) abstract.
Patent Abstracts of Japan vol. 10 No. 96 (M-469) [2153] Apr. 12, 1986 & JP-A-60 231554 (Kobe) Nov. 18, 1985 abstract.
Kolesnichenko Anatoly
Milorad Pavlicevic
Poloni Alfredo
Danieli & C. Officine Meccaniche SpA
Lin Kuang Y.
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