Method for testing containers, use of the method, and a testing

Details Method for testing containers, use of the method, and a testing Method for testing containers, use of the method, and a testing

1996-01-25

1999-06-22

Brock, Michael

Measuring and testing

With fluid pressure

Leakage

73 493, G01M 332

Patent

active

059152702

ABSTRACT:
A method and device for testing containers, the method calling for a difference in pressure to be generated between the pressure inside the container and the pressure immediately surrounding the container, the behavior of one of these pressures permitting the gas tightness of the container to be assessed. A pressure value is stored and subsequently compared with one of the pressures, the stored pressure value being stored electronically and compared with at least one value of the output signal from a pressure sensor. The container is housed in an enclosure which is connected to a pressure or suction line, and a pressure-value storage unit, a comparator unit and a pressure sensor are associated with the pressure or suction line.

REFERENCES:
patent: 2784373 (1957-03-01), Lawrance et al.
patent: 3800586 (1974-04-01), Delatorre et al.
patent: 4459843 (1984-07-01), Durham
patent: 4542643 (1985-09-01), Himmelstein
patent: 4670847 (1987-06-01), Furuse
patent: 5065350 (1991-11-01), Fedder
patent: 5170660 (1992-12-01), Lehmann
patent: 5235845 (1993-08-01), Ito et al.

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