Sealing device for cylinder bearings

Details Sealing device for cylinder bearings Sealing device for cylinder bearings

2005-03-15

2005-03-15

Pickard, Alison (Department: 3676)

Seal for a joint or juncture

Seal between relatively movable parts

Diverse and distinct dynamic seals

C277S411000, C277S412000, C277S552000, C277S903000, C072S236000

Reexamination Certificate

active

06866270

ABSTRACT:
A C-section ring fixed on a steel-mill roll and coaxially surrounding its stub has inner and outer axially extending legs defining an axially open cavity. The inner leg is tapered away from the roll and is formed adjacent the free end with a radially outwardly open annular groove. An annular cover part fixed on a stationary support, engaged in the cavity, forming a drain compartment open axially away from the roll, and formed with a radially outwardly open catchment groove radially aligned with a free end of the inner leg is also formed with a passage extending from the catchment groove to the drain compartment. An annular extension on the cover part has an inner surface carrying a seal ring that bears radially inward on the stub. An add-on part on the extension forms with the extension, with the cover part, and with the C-section ring a labyrinth.

REFERENCES:
patent: 3832021 (1974-08-01), Jennings et al.
patent: 3833273 (1974-09-01), Rickley et al.
patent: 4435096 (1984-03-01), Petros
patent: 4455846 (1984-06-01), Wichinsky
patent: 4679801 (1987-07-01), Poloni
patent: 5478090 (1995-12-01), Simmons et al.
patent: 1 308 098 (1973-02-01), None
patent: 11267721 (1999-10-01), None

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