G - Physics – 01 – B
Patent
G - Physics
01
B
358/5.1
G01B 15/02 (2006.01)
Patent
CA 1171556
Abstract Each of two collimator members used in radiation beam scanning equipment for tube wall thickness measurement comprises two parts with surfaces defining a slit through which the radiation beam passes. The equipment includes an aligning ruler including a straight bar member both ends of which are precisely machined for forming ruling surfaces that fit the surfaces of the collimator members defining the slit. The ruler is placed in a position along a predetermined line parallel to the axis of the radiation beam. Each collimator part is placed such that the surfaces defining the slit are just in contact with the respective ruling surfaces of the ruler so that the collimators are thereby properly aligned. Thereafter the ruler is removed. The result is improved accuracy.
438462
Funyu Yutaka
Monno Asao
Okumura Tadashi
Shimizu Masami
Fuji Electric Co. Ltd.
Kawasaki Steel Corporation
Kirby Eades Gale Baker
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