High preload mechanical connector

Details High preload mechanical connector High preload mechanical connector

1991-09-23

1992-08-25

Arola, Dave W.

Pipe joints or couplings

With assembly means or feature

285363, 285920, 285924, F16L 3500

Patent

active

051412578

ABSTRACT:
A preloaded connection for use between subsea tubular members including a flange surrounding one end of one of the tubular members, connecting means surrounding the exterior of the other tubular member, a ring, studs extending through said flange and said ring to secure the ring to said flange, nuts on said studs to secure the flange to the ring, pressure responsive means between said ring and said flange to urge said ring away form said flange to introduce tension in said studs, means carried by said ring for engaging with the external connecting means of said other tubular member, means for moving said engaging means carried by said ring into engagement with said external connecting means, and means for venting said pressure responsive means after engagement is achieved between said engaging means and said external connecting means.

REFERENCES:
patent: 4012059 (1977-03-01), Luke et al.
patent: 4150477 (1979-04-01), Orr
patent: 4258792 (1981-03-01), Restarick
patent: 4453566 (1984-06-01), Henderson et al.
patent: 4606557 (1986-08-01), Coffey
patent: 4696494 (1987-09-01), Schmitz et al.

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