摘要 |
An apparatus for simultaneously inverting a carton blank and folding end flaps thereon includes a system of endless belts, nip rollers, and inversion guides. A blank passes between a first nip assembly and the belts to be fed upwardly between a pair of guides, and withdrawn downwardly and fed out again inverted second nip assembly cooperating with the belts. Flap folders fold flaps on the blank during the operation.
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