Coffered seal

Details Coffered seal Coffered seal

1981-04-13

1982-08-24

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 49, 277151, 277152, F16J 1524, F16J 1532

Patent

active

043457703

ABSTRACT:
A coffered seal including an inner ring having a U-shaped cross section open radially outward and consisting of two rings of L-shaped cross section facing each other and joined together by bearing sleeve. Within the space embraced by the U-shaped cross section is an outer ring also having a U-shaped cross section open axially and having an outer side and an inner side of frusto-conical shape. Two sealing rings in the space embraced by the cross section of the inner ring having lips that engage opposite surfaces of the frusto-conical inner side of the outer ring at approximately the same diameter to form inner and outer circular seals against the same.

REFERENCES:
patent: 1963465 (1934-06-01), Johnson
patent: 2070638 (1937-02-01), McCombs
patent: 3099454 (1963-07-01), Walinski
patent: 4226426 (1980-10-01), Messenger

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