Pipe joints or couplings – Repair
Patent
1982-10-14
1984-10-23
Arola, Dave W.
Pipe joints or couplings
Repair
285253, 285370, 24279, 24282, F16L 5518
Patent
active
044784341
ABSTRACT:
A device for coupling adjacent ends of tubular members such as flexible tubular members comprising an elongated open ended tube member having an outside diameter that is approximately the same as the inside diameter of the tubular members to be coupled, a slit formed extending the length of the tube member forming adjacent slit edge surfaces oriented at an angle relative to the radius to the tube member thereat, a pair of aligned strap-like members having opposite ends connected respectively to the tube member on opposite sides of the slit and adjacent ends, cooperatively engagable threaded members connecting the adjacent ends of the strap-like members and adjustable in one direction to move the slit edge surfaces circumferentially relative to each other in one direction and in an opposite direction to move the slit edge surfaces circumferentially in an opposite direction relative to each other, and another threaded member operatively connected to one of the strap-like members on one side of the slit and adjustable thereon in a direction to radially deflect the slit edge surfaces relative to each other. The device may also include a sealer on at least one of the slit edge surfaces to form a seal between the surfaces when they are engaged with each, and the device may include an adjustment member connected to the tube member adjacent to the strap-like member on the one side of the slit and adjustable in opposition to the strap-like member to pull the adjacent one slit edge surface radially outwardly relative to the other slit edge surface.
REFERENCES:
patent: 633037 (1899-09-01), Pfahler
patent: 3122383 (1964-02-01), Hirsch
patent: 3406988 (1968-10-01), Jones
patent: 3514135 (1970-05-01), Cooper
patent: 3516446 (1970-06-01), O'Hargan et al.
patent: 3700265 (1972-10-01), Dufour et al.
patent: 3958313 (1976-05-01), Rossborough
patent: 3960395 (1976-06-01), Cirule
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