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US 4,658,620 AGranted
Tandem mill
AssigneeSumitomo Metal Industries, Ltc.
InventorsTakeshi Masui, Eizo Yasui, Yukio Matsuda
Life of this patent
Estimating the term…
Abstract
A tandem mill has a plurality of stands and has at each stand one mill suitably selected from a common four-high mill, a sleeve sliding mill, an intermediate back-up roll shifting mill, and a sleeve expanding mill.
Claims1
A tandem mill comprising a plurality of stands, characterized in that the final stand is a sleeve expanding mill, at least one of the stands exclusive of the last stand is a sleeve sliding mill or an intermediate back-up roll shifting mill, and the other stands are common four-high mills.
Dependencies are inferred from the claim text.