PACKAGING MACHINE, MATERIAL AND METHOD

摘要

Adjustable elongated, rectilinear belt spreaders for use in a bagger section of a packaging machine are disclosed. A web is fed through the bagger section by a pair of grooved main transport belts and a pair of lip transport belts each disposed in the groove of the associated main belt to trap bag lips in the grooves. The spreaders space reaches of the transport belts as they move through a load station whereby to sequentially open the bags into rectangular configurations. Spacing between the spreaders is adjustable to provide rectangular openings of desired shapes and sizes.