Pressure relief valve for a packaging container

Details Pressure relief valve for a packaging container Pressure relief valve for a packaging container

1996-09-06

1998-07-21

Rivell, John

Fluid handling

With indicator, register, recorder, alarm or inspection means

383103, F16K 3700, B65D 3301

Patent

active

057822662

ABSTRACT:
A pressure relief valve for a packaging container has a flexible valve member that is fastened with parallel edge zones thereby covering a hole in the package wall. In order to protect the packaging container equipped with the pressure relief valve against theft, an alarm triggering device is integrated into the pressure relief valve. The alarm triggering device has the shape of a strip that is glued to the valve membrane on one of its fastening edge zones.

REFERENCES:
patent: 2927722 (1960-03-01), Metzger
patent: 2946502 (1960-07-01), Metzger
patent: 3949934 (1976-04-01), Goglio
patent: 4134535 (1979-01-01), Barthels et al.
patent: 4653661 (1987-03-01), Buchner et al.
patent: 5263777 (1993-11-01), Domke
patent: 5354133 (1994-10-01), Rapparini

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