Reactor vessel head O-ring installation tool
AssigneeWestinghouse Electric Corp.
InventorRalph W. Tolino
Life of this patent
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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.
Claims16
A tool for supporting a large diameter metal O-ring immediately beneath a circular groove in the underside of a nuclear reactor head flange to facilitate the installation of the O-ring into the circular groove, comprising an attachment portion secured to said flange and a cantilever support arm projecting horizontally away from said attachment portion and extending underneath said circular groove for supporting said O-ring immediately beneath said circular groove.
Dependencies are inferred from the claim text.