Pipes and tubular conduits – With flow regulators and/or baffles – Restrictors
Patent
1992-10-29
1994-04-19
Bryant, III, James E.
Pipes and tubular conduits
With flow regulators and/or baffles
Restrictors
138 543, F15D 100
Patent
active
053037405
ABSTRACT:
There is disclosed 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
Bryant III James E.
Triten Corporation
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