Pipe joints or couplings – With assembly means or feature – With holding means functioning only during transportation...
Patent
1993-12-30
1994-11-22
Arola, Dave W.
Pipe joints or couplings
With assembly means or feature
With holding means functioning only during transportation...
285308, 285319, 285381, F16L 5500
Patent
active
053662547
ABSTRACT:
The present invention relates to an improved connector for joining two tuar members together. The connector is formed by a plurality of longitudinally extending fingers extending from an end of one of the tubular members and at least one locking groove in the other of the tubular members for receiving the fingers. The connector further includes a circumferentially extending wire member which is received in a notch in a head portion of each of the plurality of fingers. The wire member is preferably formed from a shape memory alloy and has an original circumference less than the circumference of a circle formed by the notches in the head portions of the fingers. The connector includes apertures through which electric wires may be connected to the shape memory alloy ring member so as to cause the shape memory alloy ring member to return to its original shape and allow release of the joint connection.
REFERENCES:
patent: 4379575 (1983-04-01), Martin
patent: 4765199 (1988-08-01), Andersen et al.
patent: 4872713 (1989-10-01), Kapgan
patent: 4931116 (1990-06-01), Rosenzweig
Livsey Robert A.
Stoodt Robert A.
Tucchio Michael A.
Arola Dave W.
Kasischke James M.
Lall Prithvi C.
McGowan Michael J.
The United States of America as represented by the Secretary of
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