Welding nuclear reactor fuel rod end plugs

Details Welding nuclear reactor fuel rod end plugs Welding nuclear reactor fuel rod end plugs

1983-03-01

1985-04-16

Ramsey, Kenneth J.

Metal fusion bonding

With machine part responsive to template or pattern or to...

228 10, 228 48, 228 47, 228221, B23K 900

Patent

active

045110751

ABSTRACT:
Apparatus for applying a vacuum to a nuclear fuel rod cladding tube's interior through its open end while girth welding an inserted end plug to its other end. An airtight housing has an orifice with a seal which can hermetically engage the tube's open end. A vacuum hose has one end connected to the housing and the other end connected to a vacuum pump. A mechanized device moves the housing to engage or disengage its seal with the tube's open end. Preferably the mechanized device includes an arm having one end attached to the housing and the other end pivotally attached to a movable table; an arm rotating device to coaxially align the housing's orifice with the welding-positioned tube; and a table moving device to engage the seal of the coaxially aligned orifice with the tube's open end.

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