Flexible seal element with reinforced drain labyrinth

Details Flexible seal element with reinforced drain labyrinth Flexible seal element with reinforced drain labyrinth

1976-10-12

1978-01-31

Aegerter, Richard E.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 70, 277 95, 277164, F16J 1544

Patent

active

040712559

ABSTRACT:
A flexible seal element with a reinforced drain labyrinth is disclosed for use on the outer seal ring of a seal assembly located between a roll end face and a bearing chock in a rolling mill, particularly the bearing chocks of the upper backup roll and the work rolls in a four-high mill. The seal element has a circular body portion adapted to tightly surround the outer seal ring. A first circular lip extends outwardly away from the body portion at an angle relative to the axis thereof to frictionally contact the roll end face. The seal body has a drain opening which is arranged to be aligned radially with a drainage port in the outer seal ring. The drain opening is protected by a second lip which extends outwardly from the seal body in a direction opposite to that of the first mentioned lip. A relatively stiff baffle member is attached to the seal body at a location spaced radially inwardly from the second lip. The baffle member and the second lip cooperate in providing a reinforced drain labyrinth which effectively prevents cooling water, mill scale, etc. from being centrifugally directed upwardly into the bearing from the rotating surfaces of underlying rolls.

REFERENCES:
patent: 3016251 (1962-01-01), Gilbert
patent: 3038733 (1962-06-01), Hudson et al.
patent: 3144280 (1964-08-01), Sorenson
patent: 3330567 (1967-07-01), Mercer et al.

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