Roll stand for rolling bar-shaped or tubular material

Details Roll stand for rolling bar-shaped or tubular material Roll stand for rolling bar-shaped or tubular material

2006-04-11

2006-04-11

Larson, Lowell A. (Department: 3725)

Metal deforming

By use of roller or roller-like tool-element

Included in roller-cluster

Reexamination Certificate

active

07024906

ABSTRACT:
The roll stand having at least one roll shaft2, which carries a roll6and is subdivided into sectional shafts3, 4for the purpose of being able to change the roll, comprises at least one labyrinth-seal arrangement which is arranged in an annular gap23, 24formed between the respective sectional shaft3, 4and a bearing device for the roll shaft.

REFERENCES:
patent: 3861187 (1975-01-01), Leeuwestein
patent: 4537054 (1985-08-01), Properzi
patent: 5230236 (1993-07-01), Nakamura et al.
patent: 5743126 (1998-04-01), Shore et al.
patent: 6490901 (2002-12-01), Potthoff
patent: 6502446 (2003-01-01), Potthoff

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