Split-ring type pipe couplings

Details Split-ring type pipe couplings Split-ring type pipe couplings

1977-04-12

1978-04-11

Callaghan, Thomas F.

Pipe joints or couplings

Packed

Wedge

285348, 285354, 2853827, F16L 2104

Patent

active

040835871

ABSTRACT:
A pipe coupling is described comprising a split-ring having an outer conical surface defined by the top lands of a plurality of circumferentially-spaced axially-extending ribs, the higher end of each rib being formed with an outwardly-projecting step. The coupling further includes a sleeve formed with an internal conical surface engageable with the outer conical ribs of the split-ring to cause the ring to tightly clamp the pipe within the housing, the sleeve further including an internal annular shoulder engageable with the outwardly-projecting steps of the split-ring converting tensile stresses in the split-ring to shear stresses.

REFERENCES:
patent: 433489 (1890-08-01), Potts
patent: 2120275 (1938-06-01), Cowles
patent: 2412664 (1964-12-01), Wolfram et al.
patent: 2452278 (1948-10-01), Woodling
patent: 2683047 (1954-07-01), Allen
patent: 2727761 (1955-12-01), Elliott et al.
patent: 3380765 (1968-04-01), Himmel
patent: 3563575 (1971-02-01), Sanford
patent: 3743326 (1973-07-01), Courtot et al.
patent: 3815940 (1974-06-01), Luckenbill
patent: 3888523 (1975-06-01), Bartholomew

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