Stretch reducing mills

Metal deforming – By use of roller or roller-like tool-element – Included in roller-cluster

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72235, B21B 1902

Patent

active

039525708

ABSTRACT:
A sizing mill is provided for reducing tubes having a number of roll stands arranged one behind the other and in which the sizing pass of at least the first stand is so out of round that the first sizing pass can effect tube reduction over the whole range of external diameters of tubes to be rolled in any given rolling program.

REFERENCES:
patent: 2041937 (1936-05-01), Korbuly
patent: 3380278 (1968-04-01), Dilling
patent: 3517537 (1970-06-01), Cofer
patent: 3611775 (1971-10-01), Gabel et al.
patent: 3754425 (1973-08-01), Bindernagel et al.

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