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2. Orbital stretch wrapper - Wikipedia

   en.wikipedia.org/wiki/Orbital_stretch_wrapper

   An orbital stretch wrapper. An orbital stretch wrapper is a means of applying stretchable plastic film to a load, consisting of a roll (or rolls) of stretch wrap supported on a vertical rotating ring and a means of passing a load through the ring's eye horizontally.

3. Package cushioning - Wikipedia

   en.wikipedia.org/wiki/Package_cushioning

   Foam-in-place is another method of using polyurethane foams. These fill the box, fully encapsulating the product to immobilize it. It is also used to form engineered structures. Molded pulp Pulp can be molded into shapes suitable for cushioning and for immobilizing products in a package. Molded pulp is made from recycled newsprint and is ...

4. Stretch wrap - Wikipedia

   en.wikipedia.org/wiki/Stretch_wrap

   A pallet loaded with corrugated fiberboard boxes being stretch wrapped. Stretch wrap or stretch film, sometimes known as pallet wrap, is a highly stretchable plastic film that is wrapped around items. The elastic recovery keeps the items tightly bound. In contrast, shrink wrap is applied loosely around an item and shrinks tightly with heat.

5. Closure (container) - Wikipedia

   en.wikipedia.org/wiki/Closure_(container)

   Many closures need to have the ability to adjust to slight manufacturing variation in the container and the closure structure. Some closures are made of flexible material such as cork, rubber, or plastic foam. Often an o-ring or a closure liner (gasket made of pulp or foam cap liner) is used. Linerless closures often use a deformable plastic ...

6. Hermetic seal - Wikipedia

   en.wikipedia.org/wiki/Hermetic_seal

   Optical transparency of the narrow sealing ring pressured by glass joint (right). Glass taper joints can be sealed hermetically with PTFE sealing rings (high vacuum tight, air leakage rate 10 −6 mBar × L/sec and below), [ 6 ] o-rings (optionally encapsulated o-rings), or PTFE sleeves, [ 7 ] sometimes used instead of grease that can dissolve ...

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   homepage.aol.com

   Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.