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US 12,064,799 B2Granted
Method and apparatus for producing flat metal products
AssigneeDanieli & C. Officine Meccaniche SpA
InventorsStefano Martinis, Paolo Bobig
Life of this patent
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Abstract
Method for the production of flat metal products, in particular coils of strip, in endless and/or semi-endless mode, in which a metal product is continuously fed to a rolling mill consisting overall of at least 4 stands. The rolling stands are, in sequence, roughing stands, and finishing stands. It is provided to perform a flying gauge change of the metal product exiting from the rolling mill.
Claims12
A method for the production of flat metal products in endless and/or semi-endless mode, the method comprising:
- continuously feeding a metal product to a rolling mill including at least first through fourth rolling stands, in which the rolling stands include roughing stands and subsequently finishing stands;
- and
- performing a flying gauge change of the metal product exiting from the rolling mill without interrupting the rolling process, without modifying a rotation speed of rollers of at least the first rolling stand and without modifying a gap between the rollers of at least the first rolling stand, during the flying gauge change of the metal product.
Dependencies are inferred from the claim text.