Method for determining the wall thickness of a metal tube

Details Method for determining the wall thickness of a metal tube Method for determining the wall thickness of a metal tube

2007-01-16

2007-01-16

Hirshfeld, Andrew H. (Department: 2858)

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Lumped type parameters

C072S031010, C072S031060

Reexamination Certificate

active

11259364

ABSTRACT:
A method for determining the wall thickness of a metal tube is described. This method has the following features: (a) preparation of a metal tube of a determined length; (b) arrangement of two clamp contacts on the metal tube with an exactly defined distance of separation; (c) connection of the ends of the metal tube with a power source; and (d) measurement of the voltage drop in the metal tube between the clamp contacts.

REFERENCES:
patent: 2213983 (1940-09-01), Gooding
patent: 4048558 (1977-09-01), Goodman
patent: 4837518 (1989-06-01), Gard et al.
patent: 4947132 (1990-08-01), Charoy et al.
patent: 2005/0200369 (2005-09-01), Langevin
patent: 1960490 (2000-02-01), None
patent: 1031826 (1964-12-01), None
German Search Report—Nov. 12, 2004.

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