Fluid handling – With repair – tapping – assembly – or disassembly means – With holding means functioning only during transportation...
Patent
1979-08-22
1982-04-20
Chambers, A. Michael
Fluid handling
With repair, tapping, assembly, or disassembly means
With holding means functioning only during transportation...
251152, 251 1R, 285 18, 285 23, F16K 5100, F16L 3728
Patent
active
043254047
ABSTRACT:
A coupling for attachment to the end of a pipe comprising: a tubular housing open at opposite ends, one end being adapted to fit over the outside of a pipe end to which the coupling is to be attached and the other end being adapted to have a valve connected thereto; a clamping device within said housing for clamping the housing to the outside of the pipe end, the device including a plurality of circumferentially-arranged tapered radially adjustable segments and a mechanism for moving the segments radially inward into edge-to-edge abutment with each other so as to form a frusto cone having its larger end facing the pipe end, each segment at its wider end being in sliding sealing engagement with the inner surface of the housing and each segment at its smaller end having at least one gripping surface which faces radially inward so as to form a circumferentially continuous gripping surface when the segments are in their radially inward position, there being a space between the outer surfaces of the segments and the inner surface of the housing, which space is in communication with the open end of said housing facing away from the pipe end.
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Larsen Peder M.
Larsen Uffe M.
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