Packing ring for ribbed conduits

Details Packing ring for ribbed conduits Packing ring for ribbed conduits

1979-12-12

1981-12-08

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277177, 277207A, F16J 1510

Patent

active

043044158

ABSTRACT:
A resilient packing for use in sleeve-type couplings is disclosed which has a cross-sectional shape that generally conforms to the cross section of an associated annular groove. The packing ring has a root portion which is axially narrower than the groove root diameter. At the circumference, the ring has radially protruding bead and a pair of axially protruding shoulders. The axial distance between the shoulders exceeds the axial width at the corresponding portion of the groove to axially stabilize the ring in the groove. Sides of the ring are generally spaced from corresponding adjacent side walls of the groove to accommodate axial expansion during radial compression of the ring at the time of coupling assembly. Additional opposed circumferential grooves may be provided to multiply the cross-sectional configuration and attain a seal ring suitable for comparatively wide groove.

REFERENCES:
patent: 2360731 (1944-10-01), Smith
patent: 2893795 (1959-07-01), Dooling
patent: 3347555 (1967-10-01), Norton
patent: 3915463 (1975-10-01), Pippert
patent: 3926444 (1975-12-01), Gripe et al.

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