Rotary lead-through for the coolant inflow and outflow of a...

Details Rotary lead-through for the coolant inflow and outflow of a... Rotary lead-through for the coolant inflow and outflow of a...

2006-12-26

2006-12-26

Tran, Len (Department: 1725)

Metal founding

Product supporting or withdrawal means for continuous...

Roller

C164S442000

Reexamination Certificate

active

07152660

ABSTRACT:
The invention relates to a rotary lead-through for the coolant inflow and outflow of a back-up and/or conveyor roller (1) which is held in a bearing arrangement at the end at least by means of bearing journals (10) located in bearing blocks (11), in particular in a continuous casting plant. To compensate for the axial movement and oscillating movement of the back-up and/or conveyor roller during operation, the bearing (9) at one end, to which the coolant inflow line and the coolant outflow line is connected, is a fixed axial bearing which is nevertheless able to absorb oscillating movement, while the other bearing is a detached axial bearing. In this way it is possible to provide on the fixed axial bearing a rotary lead-through, without a compensator, between the bearing journal (10) and a covering plate (12), wherein a fixed sleeve (16), sealed in the bearing journal (10), is sealed at the covering plate (12) by means of a rotary shaft sealing ring (18) which makes it possible for relative rotary movement and oscillating movement to occur.

REFERENCES:
patent: 6059013 (2000-05-01), Krume
patent: 2003/0136543 (2003-07-01), Eisenmann et al.
patent: 42 07 042 (1993-09-01), None
patent: 196 13 032 (1997-06-01), None
patent: 197 52 336 (1999-04-01), None
patent: 100 06 630 (2001-07-01), None
patent: 0 859 676 (1998-08-01), None
patent: WO 97/171152 (1997-05-01), None

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