Line blind assembly having interchangeable DISC

Details Line blind assembly having interchangeable DISC Line blind assembly having interchangeable DISC

1993-03-15

1994-04-19

Bryant, III, James E.

Pipes and tubular conduits

With closures and plugs

Laterally insertable

138 44, 138 945, F16L 5510

Patent

active

053037421

ABSTRACT:
A line blind assembly having a pair of tubular members adapted to be connected in a flowline and connected to one another by bolts having nuts on their ends to permit sealing faces on the inner ends of the tubular members to be tightly engaged with sealing faces on the opposite sides of either a disc or a spacer ring upon removal of the other from within the space. A series of circumferentially spaced, hydraulically operable, extendable and retractable actuators are connected at one end to one tubular member and the other end to the other tubular member, so that the sealing faces may be moved toward and away from one another independently of the bolts and nuts.

REFERENCES:
patent: 1000173 (1911-08-01), Hughes
patent: 1506021 (1924-08-01), McGee
patent: 2815771 (1957-12-01), Gibbs

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