Film web drive stretch wrapping apparatus and process

Details Film web drive stretch wrapping apparatus and process Film web drive stretch wrapping apparatus and process

B - Operations, Transporting

65

B

156/43, 156/58

B65B 11/04 (2006.01)

Patent

CA 1150614

ABSTRACT OF THE DISCLOSURE A process and apparatus for applying stretchable plastic film to loads for containment of the loads using two connected rollers driven by the film web so that the rollers are driven at different speeds to elongate the plastic film beyond its yield point and wrapping the elongated film after it has been stretched past its yield point around a rotating load. A roller can be added to the apparatus to increase the set time for the elongated film after it is stretched by the connected rollers. In addition, a web narrowing device may be placed upstream or downstream from the apparatus to reduce the hazard of edge tear under high elongation forces.

364501

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