Removable and lockable guide ring in an orifice passing through

Details Removable and lockable guide ring in an orifice passing through Removable and lockable guide ring in an orifice passing through

1986-06-04

1989-07-04

Maples, John S.

Induced nuclear reactions: processes, systems, and elements

Reactor structures

With particular control rod guide structure

376463, 285320, 285162, 285210, 285319, 403197, G21C 700, F16B 902

Patent

active

048448591

ABSTRACT:
Removable and lockable guide ring in an orifice passing through a plate and its use for a guide tube of a nuclear reactor. The guide ring comprises a tubular body (25), one part (25a) of which is introduced into the orifice (22) in the plate (20). A second part (25b) of the tubular body (25) comes up against the plate (20), and claws (40) having the form of being levers, for attaching the ring (21) to the edges of the orifice (22), are mounted freely in the tubular body (25). A spring (45) makes it possible to return the claws (40) into the attachment position. The invention applies particularly to a guide tube of a pressurized-water nuclear reactor.

REFERENCES:
patent: 522005 (1894-06-01), Burke
patent: 608174 (1898-08-01), Byrnes
patent: 3041089 (1962-06-01), Purves
patent: 3250551 (1966-05-01), Draupt
patent: 4231843 (1980-11-01), Myron et al.
patent: 4637914 (1987-01-01), Boyle et al.
patent: 4751042 (1988-06-01), Ales et al.

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