Pipe joints or couplings – With assembly means or feature – With holding means functioning only during transportation...
Patent
1989-02-07
1990-06-19
Arola, Dave W.
Pipe joints or couplings
With assembly means or feature
With holding means functioning only during transportation...
285381, 285386, 29447, F16L 5500
Patent
active
049347438
ABSTRACT:
An assembly for forming a mechanical connection to an object, such as a tube within a hydraulic system, comprising a transversely heat-shrinkable shape memory alloy collar having an axially facing surface, a ring having an axially facing surface and a device for retaining the ring and the collar coaxially with respect to one another. In use, the collar is caused to shrink so that it engages the external surface of the tube. Force can be applied axially to the object through the collar by means of the ring.
REFERENCES:
patent: 3484123 (1969-12-01), van der Velden
patent: 4147385 (1979-04-01), van der Velden
patent: 4424991 (1984-01-01), Hill et al.
patent: 4650228 (1987-03-01), McMills et al.
Brooks Peter
Kapgan Michael
Arola Dave W.
Belcher Simon J.
Burkard Herbert G.
Raychem Corporation
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