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  2. Resealable packaging - Wikipedia

    en.wikipedia.org/wiki/Resealable_packaging

    Close-up of top seal, opening notch, and internal reclosable strip. Resealable packaging is any type of packaging that allows the consumer or user to reseal or reclose the packaging. Often packaging needs to be resealed in order to maintain product freshness or prevent spillage. Reusable packaging allows for multiple uses which can help reduce ...

  3. Ziploc - Wikipedia

    en.wikipedia.org/wiki/Ziploc

    Ziploc has expanded their products to more than just sandwich bags. Ziploc products have varied from freezer bags to Twist 'n Loc containers, the latter now discontinued. They have expandable bottom bags that stand on their own. The now-discontinued polypropylene Zip 'n Steam bags were used to cook food in a microwave oven. They also have had ...

  4. Zipper storage bag - Wikipedia

    en.wikipedia.org/wiki/Zipper_storage_bag

    A Ziploc-branded storage bag Close-up from a cross section of the sealing mechanism. A zipper storage bag, slider storage bag, zipper bag, zip lock bag, or zippie is an inexpensive flexible rectangular storage bag, usually transparent, made of polyethylene [1] [2] or similar plastic, that can be sealed and opened many times, either by a slider, which works in a similar way to a zip fastener ...

  5. Vertical form fill sealing machine - Wikipedia

    en.wikipedia.org/wiki/Vertical_form_fill_sealing...

    A vertical form fill sealing machine is a type of automated assembly-line product packaging system, commonly used in the packaging industry for food and many other products. Walter Zwoyer, the inventor of the technology, patented his idea for the VFFS machine in 1936 while working with the Henry Heide Candy Company . [ 1 ]

  6. Vacuum packing - Wikipedia

    en.wikipedia.org/wiki/Vacuum_packing

    Once the product is placed in the machine on the seal bar, the lid is closed and air is removed. Then a seal bar inside the chamber seals the product in the bag, after sealing the bag the chamber is refilled with air by the automatic opening of a vent to the outside. This oncoming pressure squeezes all remaining air in the bag. The lid is then ...

  7. Parafilm - Wikipedia

    en.wikipedia.org/wiki/Parafilm

    Parafilm M is commonly used in health care, pharmaceutical and research laboratories for covering or sealing vessels such as flasks, cuvettes, test tubes, beakers, petri dishes and more. [3] The "M" stands for mounting or maps, as Parafilm was originally used to mount charts and other objects using heat.

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