Metal deforming – By use of roller or roller-like tool-element – Plural roller-couples
Patent
1976-04-16
1977-01-04
Mehr, Milton S.
Metal deforming
By use of roller or roller-like tool-element
Plural roller-couples
72249, B21B 1700, B21B 2300
Patent
active
040006379
ABSTRACT:
A stretch-reducing rolling mill is provided for selectively producing tubes of circular or angular configuration, such as a square, is provided in the form of a plurality of driven roll stands arranged in two groups, one at the entrance end being equipped with three roller stands and a second at the rear or exit end being arranged to use either three or four roller stands optionally, said first group of stands being driven by a common drive train separate and independent of the drive for the second group.
REFERENCES:
patent: 2757556 (1956-08-01), Vebing
patent: 3831417 (1974-08-01), Ritter et al.
Gerhards Hans-Dieter
Moltner Hermann
Firma Friedrich Kocks
Mehr Milton S.
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