Explosive activated plug

Details Explosive activated plug Explosive activated plug

1978-06-09

1979-06-19

Footland, Lenard A.

Pipes and tubular conduits

With closures and plugs

Inflation stem type

29421E, 138 97, F16L 5512

Patent

active

041583701

ABSTRACT:
An explosive activated tube plug for effecting a mechanical seal within a tube is disclosed. The plug includes an internally tapered expansion sleeve, a frusto-conical piston disposed within the sleeve and an extension member to expedite plug placement. By remotely detonating an explosive disposed within the plug, the piston is driven forward to expand the sleeve against the surrounding tube surface. By modifying the physical structure of the plug, the energy-displacement relationship between the piston and sleeve may be selectively controlled.

REFERENCES:
patent: 3090113 (1963-05-01), Karpovich
patent: 3235944 (1966-02-01), Broske et al.
patent: 3590877 (1971-07-01), Leopold
patent: 4091841 (1978-05-01), Beneker et al.

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