Continuous casting of metal strip between moving belts

Details Continuous casting of metal strip between moving belts Continuous casting of metal strip between moving belts

1975-04-15

1977-12-06

Vlachos, Leonidas

Metal founding

Process

Shaping liquid metal against a forming surface

164149, 164253, 164432, 164443, 165 1, B22D 1106, B22D 2716

Patent

active

040611787

ABSTRACT:
For supporting and cooling the reverse surfaces of belts in apparatus for continuously casting metal strip between such belts, means enclosing the reverse surface of a belt includes a multiplicity of guiding faces that are distributed closely both crosswise and lengthwise of the belt to define an intended belt path, and that have nozzle openings through which liquid coolant is projected against the belt, rapidly flowing out in a layer over the guiding face and being withdrawn at localities close to all of the guiding faces. The belt, which may be forced toward the faces to stabilize it in its desired path, thus rests on a layer of rapidly moving liquid coolant, which affords efficient heat removal and an essentially complete liquid bearing, such apparatus and procedure being also deemed applicable to cooling other surfaces. The high velocity coolant layer can be extended around part of the curved path followed by the belts returning to enter the mold space; thus or otherwise a liquid bearing can be provided along this return belt path approaching the mold entrance, avoiding large pulleys that interfere with the use of effective cooling structure there. The guide-faced nozzle elements along the mold path can be individually mounted and limit-loaded toward the belt so as to yield to local excess of outward force by the belt, for instance as caused by solidified metal.

REFERENCES:
patent: 2928148 (1960-03-01), Porterfield
patent: 3041686 (1962-07-01), Hazelett et al.
patent: 3426836 (1969-02-01), Altenpohl et al.
patent: 3452809 (1969-07-01), Dumont-Fillon
patent: 3502135 (1970-03-01), Wertli
patent: 3864973 (1975-02-01), Petry
patent: 3933193 (1976-01-01), Baker et al.

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