FIELD: transportation, packaging and storage of goods.
SUBSTANCE: present invention relates to flexible multilayer laminates having an integrated unidirectional pressure relief valve for use in a sealed container for packing gas-forming products. Pressure relief valve is partially disconnected from the rest of the laminate, forming an inflatable outlet tube with at least one large outlet, the valve is lifted from the laminate with increased pressure in the package.
EFFECT: unidirectional pressure relief valve provides pressure relief at low minimum pressure in a reliable and reproducible manner.
14 cl, 12 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| FLEXIBLE LAMINATE WITH IMPROVED INTEGRATED PRESSURE RELIEF VALVE | 2018 |
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