MUMBAI, India, July 13 -- Intellectual Property India has published a patent application (202637076471 A) filed by Sms Group Gmbh on June 20, 2026, for Method For Operating A Pre-Strip Cooler In A Hot Strip Mill, Hot Strip Mill Having A Pre-Strip Cooler Arranged Between A Pre-Rolling Mill And A Finish-Rolling Mill.
Inventors include Raming, Philipp; Grybel, Kai; Hassel, Christoph; and Hafer, Joachim Number.
The application for the patent was published on July 10, 2026, under issue no. 28/2026.
Abstract: The present invention discloses a method for operating a pre-strip cooler (20) in a hot strip mill (100) for producing a hot strip (60), wherein the method comprises the following method steps: - pre-rolling (S1) the metal rolling stock (40) by means of a pre-rolling mill (10) to form a pre-strip (50); - cooling (S2) the pre-strip (50) by means of the pre-strip cooler (20); - finish-rolling (S3) the cooled pre-strip (50) to form a hot strip (60) by means of a finish-rolling mill (60), wherein the method is characterised in that the cooling (S2) of the pre-strip (50) is controlled or regulated by means of the pre-strip cooler (20) in such a way that the pre-strip (50) output from the pre-strip cooler (20) has a temperature distribution along the longitudinal extent (L) of the pre-strip such that a front portion (51) of the pre-strip (50) has a lower temperature than a rear portion (52) of the pre-strip (50). The present invention further discloses a computer program product and a hot strip mill (100) for producing a hot strip (60).
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