Radiant energy – Radiant energy generation and sources – With container for radioactive source and radiation...
Patent
1992-03-20
1994-05-24
Anderson, Bruce C.
Radiant energy
Radiant energy generation and sources
With container for radioactive source and radiation...
2504961, G21F 502
Patent
active
053151240
ABSTRACT:
A nuclear gauge for making measurements of traveling webs in continuous sheet-making processes includes an enclosure, an encapsulated nuclear source, and a wheel-like member mounted in the enclosure means for carrying the encapsulated nuclear source between two angularly-displaced positions. The first of the angularly-displaced positions is the position where the encapsulated nuclear source makes measurements of a web that travels past the gauge and the second position is the location where the encapsulated nuclear source faces a sidewall of the enclosure means at a location remote from the first position. The nuclear gauge also has an aperture which is formed through the enclosure for providing a window through which the encapsuled nuclear source, when located in the first position, can emit radiation onto a web that travels past the window.
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Axelrod Steve
Boissevain Mathew
Goss John D.
Hegland Philip M.
Wiley Scott C.
Anderson Bruce C.
Measurex Corporation
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