| 摘要 |
A method of easy opening bags, whereby longitudinal forces adapted to be applied at a force location intermediate the bag edges to at least one of the rib and groove elements of the bag tends to slide them relatively, and thereby effects curling of at least one of the rib and groove elements and separation of the elements from that interlock relation due to the resultant component of force in a direction tending to separate the rib and groove elements. Apparatus for this purpose is provided, especially suitable for use with a bag filling machine.
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