Hooking apparatus for a removable constriction plug

Details Hooking apparatus for a removable constriction plug Hooking apparatus for a removable constriction plug

1987-06-22

1988-04-19

Rosenbaum, Mark

Metal working

Means to assemble or disassemble

Nuclear device

29400N, 376353, 376463, 414146, B23P 1900

Patent

active

047380233

ABSTRACT:
This hooking device is fastened to the choke plug (8) for guide tube (2). comprises of catches (54) regularly arrayed along the periphery of the flange (9) of the choke plug (8) and hooks to the upper spacer (4S) of the guide tube (2). It is kept in the engaged position by a spring system (56-58), 63-65) and can disengage by means of a tool means comprising a roller (77) acting on each catch (54) and a rim (68) resting on a muff (56) acting as a rest also for the spring (57).

REFERENCES:
patent: 4202727 (1980-05-01), Batjukov et al.
patent: 4204910 (1980-05-01), Koshkin et al.
patent: 4236967 (1980-12-01), Batjukov et al.
patent: 4332640 (1982-01-01), Chertock et al.
patent: 4637914 (1987-01-01), Boyle et al.

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