| 摘要 |
Accordingly in a first aspect the invention consists in a packaging apparatus for sealing products or case ready product in a package in vacuum-gas packaging or thermoforming machines, the apparatus includes a first chamber chamber for housing the product or packaged product and at least one second chamber, the first chamber has entry or exit elements, the second chamber is at least attachedly covering the entry or exit elements such that any leakage or change in pressure is detected in the second chamber during gas injection or before sealing. The apparatus is particularly useful for detecting leaks prior to sealing in vacuum packaging for modified or controlled atmosphere preservation systems.
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