Process and apparatus for the dimensional and non-destructive co

Details Process and apparatus for the dimensional and non-destructive co Process and apparatus for the dimensional and non-destructive co

1982-09-17

1985-01-22

Church, Craig E.

X-ray or gamma ray systems or devices

Specific application

Absorption

378 59, G03B 4116

Patent

active

044956339

ABSTRACT:
The invention relates to a non-destructive, dimensional control process and apparatus with respect to a hollow member.
The apparatus comprises means making it possible to hold and position the member, a source which can be introduced into the member so as to emit gamma radiation in the direction of the inner surface of the wall of said member. A detector can be positioned outside the member, so as to detect the gamma radiation traversing the wall of said member. In addition, means are provided making it possible to effect a relative displacement between the assembly, constituted by the source and the detector, and the member in such a way that the wall profile of the latter is followed.

REFERENCES:
patent: 2702864 (1955-02-01), McKee
patent: 4038550 (1977-07-01), Wassen
patent: 4078180 (1978-03-01), Green
patent: 4311905 (1982-01-01), Ries

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