Metal founding – Means to shape metallic material – Continuous or semicontinuous casting
Patent
1997-01-16
1998-03-24
Batten, Jr., J. Reed
Metal founding
Means to shape metallic material
Continuous or semicontinuous casting
164479, B22D 1106
Patent
active
057302065
ABSTRACT:
The machine has a vertically oriented open-topped mold cavity having downwardly moving containment surfaces that hold a pool of liquid metal. The cavity is wide at the top-center and tapers to the narrow thickness of the strip (34) being cast at the edges of the sides and at the bottom. The two wide sides of the cavity are each delineated by a matrix of contiguous plates (38) separated by narrow fissures, the surface of each plate being subdivided by narrow expansion joints. Each matrix is a many-facetted approximation of a doubly-curved surface, the dynamic changes in the shape of which being facilitated by small changes in the relative linear and angular orientation of the plates with each other as they proceed downwardly through the matrix. A plate supporting arrangement with arcuately grooved tracks precludes lateral shifting of the plates of a given column with respect to each other and provision is made for adjusting both the thickness and the width of the casting.
REFERENCES:
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Article "Advances in Strip-Casting Carbon and Stainless" New Steel Nov. 1996, this article cites processes extant that would compete with subj. invention--a mold of plate elements is not cited, pp. 68-72, 74 and 76.
Samways, N.L. "Nucor Steel, Hickman--2.2 Million Ton/Year Flat Rolled Minimill" Iron & Steel Engineer--Apr. 1994, pp. 77-84.
Kruger & Streubel "CPR--A Combined Casting/Rolling Process for Producing Steel Strip" Iron & Steel Engineer--May 1995, pp. 31-36.
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