Crown roll seal arrangement sealed by lubricating oil in labyrin

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member

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277 17, 277 56, 277 72FM, 277135, 308 20, 3081871, F16J 1540

Patent

active

043634907

ABSTRACT:
A non-contact seal for the ends of a variable crown calender roll shaft subject to variations in shaft alignment. The seal is a labyrinthian type with a suction system adapted to a sump to recycle the oil. The oil level is maintained and contact between the rotating shaft and the labyrinthian seal is avoided, permitting higher temperature and higher speed use of the roll apparatus.

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