Pipe joints or couplings – Swivel – Pipe in socket type
Patent
1981-10-01
1983-10-04
Scanlan, Jr., Richard J.
Pipe joints or couplings
Swivel
Pipe in socket type
285365, 285373, 285407, 285419, 285349, 285351, 285 93, F16L 2700, F16L 1700, F16L 2300, F16L 2100
Patent
active
044075332
ABSTRACT:
A device for connecting two pipes for carrying abrasive material under high pressure employs a flange member welded to an end of one of the pipes and a ring member welded to an end of the other pipe. The pipes and both members have the same internal diameter. One or both pipes may be cold formed into a curved shape. An outward-extending rib on the ring member and a shoulder on the flange member are encircled by a tension sleeve having an inwardly directed lip at each end. The tension sleeve comprises two semi-circular halves. One or more continuous circumferential bands encircle the tension sleeve to hold the two halves together against radial separation. An anti-friction bearing assembly between one of said lips and a shoulder on the ring member permits relative turning movement between said pipes. An axial projection on the ring member is received within a recess in the flange member, and seal means are provided between the projection and the recess.
REFERENCES:
patent: 3052491 (1962-09-01), Grass
patent: 3058761 (1962-10-01), Christophersen
patent: 3317220 (1967-05-01), Bruning
patent: 3479065 (1969-11-01), Bahlke et al.
patent: 3507520 (1970-04-01), Guldener et al.
Arrowhead Continental
Scanlan, Jr. Richard J.
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