Radiant energy – Inspection of solids or liquids by charged particles – Including a radioactive source
Patent
1981-01-23
1983-05-10
Smith, Alfred E.
Radiant energy
Inspection of solids or liquids by charged particles
Including a radioactive source
G01N 2300
Patent
active
043831729
ABSTRACT:
A method and apparatus using radiation techniques for measuring coating thicknesses on continuously moving strip material as it travels along a predetermined path and without altering that path. A shuttle carrying a measuring probe having a radioactive isotope source and a detection device is provided in the path of the strip for reciprocation along a preselected segment of the path. The shuttle and the probe are releasably engaged with the strip and carried thereby for synchronous movement therewith in the direction of travel of the strip during a measurement cycle, and are disengaged from the strip when no measurement is being made, the movement of the shuttle then being controlled by an independent drive mechanism.
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patent: 3474668 (1969-10-01), Mangan
patent: 3529158 (1970-09-01), Joffe et al.
patent: 4190770 (1980-02-01), Saunders et al.
"Continuous Strip Monitor", UPA Technology, Inc. (Brochure).
"Strip Monitor", Materials Evaluation, Sep. 1978, pp. 87-88 (Magazine Article).
"Betascope CC950 Cont", Fischer Instrumentation (Brochure).
Holler James A.
Joffe Boris B.
Raffelsberger Peter W.
Spongr Jerry J.
Stanton William B.
Howell Janice A.
Smith Alfred E.
Twin City International Inc.
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