Device to replace rolls and apparatus on rolling stands having r

Details Device to replace rolls and apparatus on rolling stands having r Device to replace rolls and apparatus on rolling stands having r

1988-10-26

1990-08-21

Bray, W. Donald

Metal deforming

By use of roller or roller-like tool-element

With carrier for roller-couple or tool-couple

72 21, 72238, 72249, B21B 3108

Patent

active

049495682

ABSTRACT:
This invention concerns a device (10) to replace rolls (11) and/or apparatus (12) on rolling stands (25-26) having rolls (11) supported at one end, which device is able to cooperate with static support stand means (25-48) and is moved by crane or bridge crane means, possibly with a rotatable turret (33), and comprises frame means (110) with hook means (23), jaw means (16) with means (20) to engage rolls, and actuation means (17), such device comprising also means (22) to engage apparatus, the reciprocal positioning of parts (11-12-13) when engaged by such device (10) being substantially the same as the reciprocal positioning of such parts (11-12-13) when fitted to the rolling unit (25-26).

REFERENCES:
patent: 3425256 (1969-02-01), McGoogan et al.
patent: 3646795 (1972-03-01), Hinterholzl
patent: 3934447 (1976-01-01), Brodeur
patent: 4148206 (1979-04-01), Meurer et al.
patent: 4222258 (1980-09-01), Field
patent: 4454738 (1984-06-01), Buta

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