Coupling for pipe

Details Coupling for pipe Coupling for pipe

1978-03-21

1979-12-04

Callaghan, Thomas F.

Pipe joints or couplings

Packed

Sleeve

285DIG4, F16L 2106

Patent

active

041768655

ABSTRACT:
Improved coupling means for pipe to provide a leak tight joint between abutting pipe sections. Each pipe section is provided with at least one annular, circumferentially continuous depression at each end thereof, the outside of the exterior surface in which said depression is formed providing continuous surface-to-surface seal with the coupling means about the entire circumference of the abutting pipe sections to be joined. The coupling means includes a first band encircling the adjacent ends of the pipe sections with the free ends thereof overlapping. A second band overlies and encircles the first band and means are provided for tensioning the ends of the second band together.

REFERENCES:
patent: 2778661 (1957-01-01), Leighton
patent: 3154328 (1964-10-01), Masse
patent: 3501179 (1970-03-01), Boynton et al.
patent: 3776579 (1973-12-01), Gale
patent: 4124236 (1978-11-01), Guidry

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