METHOD FOR MANUFACTURING A STRIP HAVING A VARIABLE THICKNESS AND ASSOCIATED STRIP
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United States of America Patent
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Jan 17, 2014
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Jan 17, 2014
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Abstract
A method for manufacturing a strip having a variable thickness along its length, comprising the steps:
- an initial strip of constant thickness is provided;homogeneous cold rolling of the initial strip along its length in order to obtain an intermediate strip of constant thickness along the rolling direction;flexible cold rolling of the intermediate strip along its length in order to obtain a variable thickness strip, having, along its length, first areas with a first thickness (e+s) and second areas with a second thickness (e), less than the first thickness (e+s),continuous annealing of the strip.
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