Reactor internals core barrel hole plug

Details Reactor internals core barrel hole plug Reactor internals core barrel hole plug

1986-01-31

1987-09-15

Kyle, Deborah L.

Receptacles

Closures

Externally adjustable plug or gasket

220315, 376203, 376463, 138 89, 411 21, 403322, B65D 5300, G21C 1300

Patent

active

046933891

ABSTRACT:
A core barrel hole plug. A plug body sized to easily fit the hole to be plugged is slidably attached to a flange sized larger than the hole to limit the movement of the plug body into the hole. A rectangular bore at the inner end of the plug body has a pair of pawls pivotally mounted therein which are moveable between retracted and extended positions for releasing or locking the plug in position. An actuator screw is threadably engaged through a cylindrical bore in the plug body and in communication with the rectangular bore where a cam on the actuator screw causes movement of the pawls between the release and locking positions. The flange and screw are adapted to receive a remotely operated tool for remote operation of the assembly.

REFERENCES:
patent: 2794633 (1957-06-01), Delany
patent: 2833522 (1958-05-01), Michaels
patent: 3312138 (1967-04-01), Cumming
patent: 4355917 (1982-10-01), Bunger
patent: 4465039 (1984-08-01), Snelgrove et al.
patent: 4500239 (1985-02-01), Liebig
patent: 4553889 (1985-11-01), Le Dantec et al.
patent: 4584163 (1986-04-01), Hankinson
patent: 4591068 (1986-05-01), Tolino et al.

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