X-ray or gamma ray systems or devices – Specific application – Absorption
Patent
1988-02-29
1989-06-20
Howell, Janice A.
X-ray or gamma ray systems or devices
Specific application
Absorption
378 62, 378177, 378195, 378201, 2503591, G01N 2304
Patent
active
048415545
ABSTRACT:
An x-ray scanner for inspecting articles moving therethrough, such as on a conveyor, has a frame on which an x-ray source, a collimator for the x-ray beam, and a radiation detector are mounted. The frame resists flexural and torsional stresses so as to maintain the relative positions of the x-ray source, the collimator, and the radiation receiver in the presence of such stresses. The scanner is mounted in a rack in which the frame is seated by a resilient support. The conveyor which is used to move articles through the x-ray beam between the x-ray source and the radiation receiver is supported by the rack, so that mechanical stresses to the conveyor, such as the placement of heavy articles thereon, are not conveyed to the frame, and therefore do not disturb the alignment of the components mounted on the frame, due to the intervention of the resilient support.
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Dietrich Rolf
Doenges Gerhard
Thoma Helmut
Von Unger Eckart-Alfred
Freeman John C.
Heimann GmbH
Howell Janice A.
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