Method of engagement of electrical contacts to pipe members

Details Method of engagement of electrical contacts to pipe members Method of engagement of electrical contacts to pipe members

1990-03-29

1991-01-01

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With rotor

324158F, 324515, 324718, 439197, G01R 104, G01R 1067

Patent

active

049821547

ABSTRACT:
A scheme for rapidly connecting and rapidly disconnecting a large number of point contacts onto a pipe surface is taught. The scheme involves pressing sharply pointed pin contacts onto the pipe surface by gas pressure. Each pin is held in a conforming opening in an annular ring structure. The ring forms the inner wall of an annulus capable of holding gas pressure to urge the many needles inward against the pipe surface. Each pin is individually connected to a power supply and sensing apparatus.

REFERENCES:
patent: 1895643 (1933-01-01), Putnam
patent: 2440044 (1948-04-01), Greenslade
patent: 2883638 (1959-04-01), Mark
patent: 3025460 (1962-03-01), Callan et al.
patent: 3370226 (1968-02-01), Widmer
patent: 4133992 (1979-01-01), Walker et al.
patent: 4629991 (1986-12-01), Wheeler
patent: 4656595 (1987-04-01), Hognestad

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