Measuring and testing – With fluid pressure – Leakage
Patent
1975-06-30
1976-06-22
Swisher, S. Clement
Measuring and testing
With fluid pressure
Leakage
73 498, 165 11, 165 76, G01M 324, F28F 1104
Patent
active
039642933
ABSTRACT:
A device for obturating leaky tubes in heat exchangers, characterized in that it comprises a sleeve adapted to be sealingly mounted in an orifice, or port, of the upper wall of said heat-exchanger, a vertical stem provided, at the lower end thereof, with an arm of variable length at right angles to said stem, the free end of said arm being integral with an assembly carrying a deformable capsule with a vertical axis adapted to penetrate into one of said tubes and to obturate said tube after having been deformed, means integral with said assembly adapted to deform said capsule, means for dissociating said capsule from said assembly, means for carrying said arm to rotate about the vertical axis of said stem, means for vertically moving said arm and means for varying the length of said arm.
REFERENCES:
patent: 3168824 (1965-02-01), Florer et al.
patent: 3488829 (1970-01-01), Boniface
patent: 3691609 (1972-09-01), Ice et al.
patent: 3882715 (1975-05-01), Slinger
Faure Jean-Pierre
Michot Gilbert
Commissariat a l''Energie Atomique
Swisher S. Clement
Woodward William R.
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