(57) In a machine for packaging articles in a tubular wrap- around carrier formed from
a blank having a pair of walls adjoined together along a fold line and having a pair
of article retaining and blank re-inforcing flaps disposed astride the fold line,
and which includes means for advancing a blank and its associated articles along a
predetermined path, a mechanism for engaging and folding the pair of flaps and to
fold such flaps inwardly of the carrier. The folding mechanism comprises a pivotal
folder 'f' adapted to execute a folding movement thereby progressively to enter an
aperture in the blank to fold the flaps and to retract therefrom during feed movement
of the blank and the pivotal folder together through a folding station of the machine.
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