Metal working – Method of mechanical manufacture – Combined manufacture including applying or shaping of fluent...
Reexamination Certificate
2005-04-12
2005-04-12
Larson, Lowell A. (Department: 3725)
Metal working
Method of mechanical manufacture
Combined manufacture including applying or shaping of fluent...
C072S252500
Reexamination Certificate
active
06877206
ABSTRACT:
The invention relates to a method for producing a metal strip from a cast by rolling in which method the technique of a profiled rolling in combination with a strip rolling is used. The material for the metal strip is first cast by using a casting technique to produce a cast profile having the center part thicker than the lateral parts and the cast profile is in an essentially continuous manner conducted into a rolling mill where during the at least two-staged profiled rolling the cast profile is divided into two symmetrical segments and maintained as two equal segments. These segments are spread into the lateral regions of the material to be rolled into a flattened profile which is as an object for at least one-staged strip rolling so that the spread ratios between the center part dimension of the cast profile and the width of the strip of greater than 2.8:1 are achieved.
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Hall Dan
Koppinen Ilpo
Mayer George
Swank Brian
Larson Lowell A.
Morgan & Finnegan , LLP
Outokumpu Oyj
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