Reactor vessel head O-ring installation tool

Details Reactor vessel head O-ring installation tool Reactor vessel head O-ring installation tool

1992-10-30

1994-05-10

Eley, Timothy V.

Metal working

Means to assemble or disassemble

Nuclear device

292811, 292814, 376463, B23P 1900

Patent

active

053096266

ABSTRACT:
A tool for use in installing O-ring seals in the removable head of a nuclear reactor pressure vessel. Disclosed are two embodiments of the tool. One embodiment is adapted to fit within the stud bolt holes of the flange of the removable head of the pressure vessel. The other embodiment is adapted to be magnetically attached to the underside of the flange of the removable head of the pressure vessel. The tool uses a movable support arm to properly position and support the O-rings in their respective grooves machined in the underside of the flange of the removable head.

REFERENCES:
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patent: 1465659 (1923-08-01), Wheeler
patent: 3698724 (1972-10-01), Blachere et al.
patent: 3792822 (1974-02-01), Underhill
patent: 3851906 (1974-12-01), Erliing Frisch
patent: 3872565 (1975-03-01), Ritz et al.
patent: 3929253 (1975-12-01), Johnsson
patent: 4305557 (1981-12-01), Kowalski
patent: 4830321 (1989-05-01), Irie
patent: 4938440 (1990-07-01), Weinfield
patent: 4980117 (1990-12-01), Blaushild

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