An orbital stretch wrapper is a means of applying stretchable

plastic film Plastic film is a thin continuous polymeric material. Thicker plastic material is often called a "sheet". These thin plastic membranes are used to separate areas or volumes, to hold items, to act as barriers, or as printable surfaces. Plas ...

to a load, consisting of a roll (or rolls) of

stretch wrap Stretch wrap or stretch film 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. While ...

supported on a vertical rotating ring and a means of passing a load through the ring's eye horizontally. Several designs are available. The item or load can go through the ring on a

conveyor A conveyor system is a common piece of mechanical handling equipment that moves materials from one location to another. Conveyors are especially useful in applications involving the transport of heavy or bulky materials. Conveyor systems allow ...

or can be placed into the ring by a pallet truck. Small loads can be suspended within the rotating ring by hand. Stretch is achieved by creating tension between the load and film roll using a brake or gear ratio system.

References

Books

* Yam, K. L., "Encyclopedia of Packaging Technology", John Wiley & Sons, 2009, {{packaging Packaging machinery