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2. Resealable packaging - Wikipedia

   en.wikipedia.org/wiki/Resealable_packaging

   Interlocking plastic strips such as found on Zipper storage bags; Zip packs: resealable packaging with a zip feature that keeps the container airtight. These packs are designed with an ergonomical clip which functions like a zipper but is airtight. These products feature flanged interlocking profiles that create a reliable seal when pressed ...

3. 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, ziplock bag, zip-lock bag, ziploc 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 ...

4. Ziploc - Wikipedia

   en.wikipedia.org/wiki/Ziploc

   Ziploc faces strong competition from such competitors as Glad, Hefty, and many privately owned, generic, store brand plastic bags and containers. As Jules Rose, chairman of Sloan's Supermarkets Inc. in New York City, states: "This is a highly competitive market with a lot of players and unusually strong private label sales."

5. Zipper - Wikipedia

   en.wikipedia.org/wiki/Zipper

   These zippers are very common where airtight or watertight seals are needed, such as on scuba diving dry suits, ocean survival suits, and hazmat suits. A less common water-resistant zipper is similar in construction to a standard toothed zipper, but includes a molded plastic ridge seal similar to the mating surfaces on a Ziploc bag. Such a ...

6. Vacuum packing - Wikipedia

   en.wikipedia.org/wiki/Vacuum_packing

   External vacuum sealers involve a bag being attached to the vacuum-sealing machine externally. The machine will remove the air and seal the bag, which is all done outside the machine. A heat sealer is often used to seal the pack. Typically these units use a dry piston vacuum pump which is often considered a "maintenance-free" pump.

7. Hermetic seal - Wikipedia

   en.wikipedia.org/wiki/Hermetic_seal

   A hermetic seal is any type of sealing that makes a given object airtight (preventing the passage of air, oxygen, or other gases). The term originally applied to airtight glass containers but, as technology advanced, it applied to a larger category of materials, including metals, rubber, and plastics. Hermetic seals are essential to the correct ...