VALVE, AND PACKAGE

According to an aspect of the present invention, a pressure-relief valve is provided, the valve comprising a cup shaped main body (1) with a bottom (11) and a circumferential wall (12) to be fastened to a flexible package material. The bottom has at least one through hole (14) forming a passage thro...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: BALKAU, Werner, STIEGLER, Sabrina
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:According to an aspect of the present invention, a pressure-relief valve is provided, the valve comprising a cup shaped main body (1) with a bottom (11) and a circumferential wall (12) to be fastened to a flexible package material. The bottom has at least one through hole (14) forming a passage through the main body. A valve membrane lies against the main body on a package side in a region around the through hole(s) (14), with a sealing liquid between the main body and the valve membrane. The valve membrane thereby covers the at least one through hole (14). The circumferential wall (12) has, on its outside, a plurality of indentations (71).