Projectable plug assembly for core barrel flow hole and installa

Details Projectable plug assembly for core barrel flow hole and installa Projectable plug assembly for core barrel flow hole and installa

1992-02-20

1993-11-16

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Seal arrangements

376204, G21C 1300

Patent

active

052630587

ABSTRACT:
A plug assembly for plugging the flow hole of a core support barrel employs a pair of plug members which are initially collapsable to permit positioning between the core support barrel and the adjacent thermal shield. The plug assembly is activated to a projected plugged configuration by pneumatic or hydraulic pressure to provide a sealing engagement by a cooperative arrangement between circumferential locking barbs and a sealing lip.

REFERENCES:
patent: 3653410 (1972-04-01), West
patent: 4454957 (1984-06-01), Kwech et al.
patent: 4576778 (1986-03-01), Ferree et al.
patent: 4820476 (1989-04-01), Popalis

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