Orbital stretch wrapper
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Orbital stretch wrapping is a means of applying stretch film to a load consisting of a roll of stretch wrap supported on a vertical rotating ring and a means of passing a load through the ring's eye horizontally. Several designs are available.[1][2]
The load is either suspended within the rotating ring by hand or machinery or rests on a conveyor as it moves through. Stretch is achieved by creating tension between the load and film roll using a brake or gear ratio system.
References
- ^ US6729106B2, Wiley, "Orbital pallet wrapping machine and method", published 2004
- ^ US 4,723,393, Silbernagel, "Twin roll laminated packaging process P Silbernagel - US Patent 4,723,393, 1988 -", published 1988
Books
- Yam, K. L., "Encyclopedia of Packaging Technology", John Wiley & Sons, 2009, ISBN 978-0-470-08704-6
