Pulse-echo method and system for testing wall thicknesses

Details Pulse-echo method and system for testing wall thicknesses Pulse-echo method and system for testing wall thicknesses

1974-12-02

1977-05-10

Queisser, Richard C.

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Content or effect of a constituent of a liquid mixture

73 715US, 340 8FT, G01N 2900

Patent

active

040220559

ABSTRACT:
A method and system for improving the pulse-echo type of testing to determine wall thicknesses. It is particularly applicable to pipes. There is a pulse directed transversely to the wall so that reflections from the inner and outer surfaces will indicate the thickness, and another pulse is directed at an angle to the wall with time spacing. The angled pulse path permits penetration so that the presence of an undesirable type of discontinuity will cause an additional reflection which distinguishes this type of discontinuity.

REFERENCES:
patent: 3028752 (1962-04-01), Bacon
patent: 3106839 (1963-10-01), Sansom
patent: 3192418 (1965-06-01), Sansom
patent: 3262307 (1966-07-01), Hart
patent: 3283294 (1966-11-01), Schrom
patent: 3451260 (1969-06-01), Thurstone
patent: 3550438 (1970-12-01), Kapluszak
patent: 3599478 (1971-08-01), Weinbaum
patent: 3636778 (1972-01-01), Huffstetler
Materials Evaluation, "Using Mirrors To Do The Impossible," pp. 48A, 50A, May 1973.

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