Cartridge seal with dual lipped secondary seal

Details Cartridge seal with dual lipped secondary seal Cartridge seal with dual lipped secondary seal

1990-11-15

1992-03-17

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 45, 277 48, 277152, 277153, 384148, 384484, 384486, F16K 4108, F16C 3374

Patent

active

050962078

ABSTRACT:
A cartridge seal is described where the outer ring 1 and the inner ring 4 are inseparably joined to each other. The outer ring has a circumferential groove 2 which is axially open in a direction toward the outside 14 and which is engaged by a first and second sealing lip of the inner ring 4. The second sealing lip 9 is formed by an extrusion of the protruding end of the first sealing lip 8. Both sealing lips 8, 9 contact their corresponding counter surfaces 6, 7 with circumferential sealing edges 10, 11.

REFERENCES:
patent: 3011814 (1961-12-01), Rhoads et al.
patent: 3021161 (1962-02-01), Rhoads et al.
patent: 4345770 (1982-08-01), Seeh
patent: 4655618 (1987-04-01), Labedan et al.
patent: 4721312 (1988-01-01), Hornberger
patent: 5022659 (1991-06-01), Otto
patent: 5024449 (1991-06-01), Otto
patent: 5042822 (1991-08-01), Dreschmann et al.

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