Nuclear reactor pressure vessel, multiple measuring line, bushin

Pipe joints or couplings – With casing – lining or protector – Insulated

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Details

176 19J, 176 19EC, 285137R, 285286, 248 49, G21C 1700

Patent

active

040466329

ABSTRACT:
A bundle of individual measuring lines extends through the cover of a reactor pressure vessel, the bundle extending into a tubular mounting having a multiplicity of extending tubes through which the individual lines of the bundle extend. In each tube the line is passed through a sleeve slidably inserted in the tube and having an inner portion soldered to the line and an outer portion welded to the tube's outer end. The length of the sleeve and tube between the soldered and welded joints is made sufficient to prevent the heat of welding from effecting the soldered joints. Each line can be removed from its tube by cutting away the welded joint and removing the line with its sleeve from the tube. The line can be reinstalled by returning the sleeve to its tube and making a new welded joint with the sleeve spacing its soldered connection with the line far enough to prevent the welding heat from affecting the soldered joint between the sleeve and the line.

REFERENCES:
patent: 3240514 (1966-03-01), Bell
patent: 3444374 (1969-05-01), Kinoshita et al.
patent: 3716450 (1973-02-01), Lions
patent: 3724268 (1973-04-01), Kuwabara
patent: 3803703 (1974-04-01), Montgomery
patent: 3817829 (1974-06-01), Frisch et al.
patent: 3834740 (1974-09-01), Bazant et al.
patent: 3847733 (1974-11-01), Ventre
patent: 3849257 (1974-11-01), Bevilacqua
patent: 3899390 (1975-08-01), Klein et al.

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