Metal working – Method of mechanical manufacture – Assembling or joining
Patent
1983-08-04
1986-05-27
Goldberg, Howard N.
Metal working
Method of mechanical manufacture
Assembling or joining
29467, 378147, 33181R, B23Q 300
Patent
active
045906580
ABSTRACT:
A method and apparatus for measuring the thickness of the wall of a tubular object includes a measurement of the intensity of a radiation beam passing through the walls and quantizing the indicated value of radiation detected by a detector with reference to a predetermined period of time. Data is expressed diagrammatically, and inflection points on the graph line indicating when the radiation beam contacts the outer and inner peripheral walls of the tube are determined and processed to thereby determine the wall thickness. There is also disclosed a method for aligning collimator members utilized in the radiation beam scanning equipment.
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patent: 3944830 (1976-03-01), Dissing
Standard Gauge Company, "Gauges", 4/7/1929, p. 21.
Funyu Yutaka
Monno Asao
Okumura Tadashi
Shimizu Masami
Burtch John T.
Fuji Electric Company Ltd.
Goldberg Howard N.
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