Bell joint repair clamp

Details Bell joint repair clamp Bell joint repair clamp

1992-10-05

1994-02-22

Nicholson, Eric K.

Pipe joints or couplings

Repair

285373, 24279, 138 99, F16L 5518, F16L 2106

Patent

active

052881083

ABSTRACT:
A bell joint repair clamp includes first and second semi-cylindrical sleeve members adapted for secure coupling by lug members drawn together by bolts for positioning about a leaking bell joint. Disposed intermediate the bell joint and coupled sleeve members is a sealing gasket preferably formed of a pair of gasket members each having a trapezoidal cross section and comprised of a deformable, compressible material to allow the gasket members to assume the shape of and engage the spigot and bell-shaped ends of the connected pipe sections in a tight-fitting manner. Opposed ends of the coupled sleeve members are each provided with a retaining plate and pipe clamping arrangement for confining the gasket in a sealed manner between the sleeve members and circumferentially about the bell joint for sealing a leak therein.

REFERENCES:
patent: 793135 (1905-06-01), Kellogg
patent: 797914 (1905-08-01), Rochat
patent: 873689 (1907-12-01), Van Winkle
patent: 2286751 (1942-06-01), Merrill
patent: 3017204 (1962-01-01), Smith
patent: 3078108 (1963-02-01), Smith
patent: 3396753 (1968-08-01), Foster
patent: 4768813 (1988-09-01), Timmons
patent: 4889167 (1989-12-01), Morris
patent: 5040828 (1991-08-01), Kane
Pipe Fittings and Fabrications, Price Book effective Jan. 3, 1989, JCM Industries, Inc., Nash Tex., Jan. 3, 1989.
Style 126 Dresser Bell-Pack Sleeves, Dresser Industries, Inc., Bradford, Pa. (date unknown).

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