Method for tightness testing of closed vessels, test chamber tes

Details Method for tightness testing of closed vessels, test chamber tes Method for tightness testing of closed vessels, test chamber tes

1997-10-06

1999-10-05

Brock, Michael

Measuring and testing

With fluid pressure

Leakage

G01M 316

Patent

active

059627760

ABSTRACT:
In order to obtain a reliable idea of the state of tightness for tightness testing of containers filled with liquids in which a pressure differential .DELTA.p is created between the interior of the container and its exterior, and also relative to the container wall in contact with the filling, an impedance measurement (7) is performed using measuring electrodes (3a, 3b) on the exterior of container (1).

REFERENCES:
patent: 1749826 (1930-03-01), Lubach
patent: 3855531 (1974-12-01), Fielibert et al.
patent: 3973249 (1976-08-01), Yokote et al.
patent: 4404516 (1983-09-01), Johnson, Jr.
patent: 4529974 (1985-07-01), Tanaka et al.
patent: 4972179 (1990-11-01), Akiba
patent: 5513516 (1996-05-01), Stauffer

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