Importance

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Abstract

Apparatus for opening flat folded sleeve packaging into a parallelepiped packaging shape and for positioning that packaging for further manufacture which includes a feeder pivotable through a quarter-circle so as to grasp the flat sleeve from a source and to guide the sleeve to a position in axial alignment with a spaced apart mandrel and ejector, the mandrel being adapted to receive the parallelepiped sleeve by the action of the ejector, a V-shaped abutment positioned to receive a leading folded edge of the sleeve at the quarter-circle position of the feeder, and a V-shaped aligned pair of pivoting levers adjacent the V-shaped abutment, the pivoting levers having bearing planes formed thereon and having vacuum apertures formed therein, the levers adapted to function to open a sleeve supported thereby in cooperation with the feeder and the abutment, the bearing planes of the lever providing guiding support for the opened sleeve upon action of the ejector thereon.

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First Claim