Metal deforming – By use of non-deforming work-gripping clamp and relatively... – By individually non-deforming clamps
Patent
1979-01-24
1980-08-26
Mehr, Milton S.
Metal deforming
By use of non-deforming work-gripping clamp and relatively...
By individually non-deforming clamps
72367, 176 38, B21D 310, G21C 2100
Patent
active
042189080
ABSTRACT:
This disclosure describes a device and method for in situ shortening of nuclear reactor zirconium alloy process tubes which have grown as a result of radiation exposure. An upsetting technique is utilized which involves inductively heating a short band of a process tube with simultaneous application of an axial load sufficient to cause upsetting with an attendant decrease in length of the process tube.
REFERENCES:
patent: 3467042 (1969-09-01), Coppa
patent: 3793873 (1974-02-01), Iwata et al.
Alexander William K.
Frantz Charles E.
Lander Walter E. B.
Besha Richard G.
Jackson Frank H.
Mehr Milton S.
Schnayer Jerold B.
The United States of America as represented by the United States
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