Pipe joints or couplings – With assembly means or feature – Guide and support
Patent
1975-12-15
1977-09-20
Arola, Dave W.
Pipe joints or couplings
With assembly means or feature
Guide and support
285315, 285322, 285365, 285369, 285DIG21, F16L 3500
Patent
active
040492974
ABSTRACT:
A pipe coupling apparatus is disclosed. This apparatus is adapted for quick connection of two pipes without the use of flanges and the like. The apparatus is adapted for undersea connections and it may be used elsewhere. The present apparatus is comprised of an elongate housing enclosing two tapered sets of slips or collets. They work opposite a tapered surface in the housing. A circular piston is hydraulically pumped against the taper to force the collets against the pipe. This siezes and holds the pipe as a first step in completing the coupling. A second housing is adapted to be connected to the mating pipe. The second housing incorporates a circular piston therein which has an internal face which is tapered. The tapered face is driven past the exterior of an encircling clamp ring. The clamp has a cross section which is defined by a pair of inwardly protruding shoulders. These shoulders fall into grooves in the first and second housing, thereby pulling the two housings together when the clamp ring is squeezed. The two housings are thus pulled together and the pipes are formed into a completed axial connection whereby the first pipe is axially aligned with the second pipe.
REFERENCES:
patent: 3284105 (1966-11-01), Leutwyler
patent: 3383122 (1968-05-01), Richardson
patent: 3393926 (1968-07-01), Arnold
patent: 3438658 (1969-04-01), Stevens
patent: 3628812 (1971-12-01), Larralde
patent: 3907338 (1975-09-01), Hayes et al.
Arola Dave W.
Gunn Donald
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