Leak repair clamp with flexible lip seals

Details Leak repair clamp with flexible lip seals Leak repair clamp with flexible lip seals

1985-03-25

1986-02-04

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277197, 277205, 277226, 285 15, 285373, F16J 1510, F16J 1546, F16L 5516

Patent

active

045680914

ABSTRACT:
A sealing member including a seal retainer sleeve provided in segments and two spaced apart grooves defined all around the inner wall of the sleeve. Sleeve is adapted to be fitted around outside of a cylindrical surface on each side of an opening. An elastomeric fluid pressure seal segment is mounted within each groove in the sleeve to provide a fluid tight seal within the spaced confined between the grooves. The bottom of each of the grooves is dovetailed to retain corresponding mounting beads of the seal. Each segment of the seal, as mounted within the grooves, is shaped with an outside diameter surface merging into the mounting beads. The high pressure bead of the mounting beads merges into the side of a groove extending axially into the segment. The other side of the groove merges into a flexible lip which is responsive to pressure applied within the cylindrical space. The lip extends into an inside diameter surface. The inside diameter surface merges into an annular low pressure surface which merges into the low pressure bead of the mounting beads. Fastener means are adapted to fasten the segments into the integrated retainer sleeve with the seal segments being radially compressed between said retainer sleeve and the cylindrical surface and circumferentially compressed within the grooves. Seal member may further include a sealant forced into the cylindrical space under pressure via an inlet.

REFERENCES:
patent: 1618412 (1927-02-01), Dorward
patent: 2387182 (1945-10-01), Procter
patent: 2884291 (1959-04-01), Whitten
patent: 3189359 (1965-06-01), Haberkorn
patent: 3189360 (1965-06-01), Haberkorn
patent: 3419290 (1968-12-01), Campbell et al.
patent: 3603616 (1971-09-01), Smith
patent: 4049296 (1977-09-01), Harrison
patent: 4342460 (1982-08-01), Eng

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