Manufacturing container or tube from paper; or other manufacturi – Bending – Crushing or crumpling
Patent
1995-06-07
1998-09-15
Hoil, III, Joseph J.
Manufacturing container or tube from paper; or other manufacturi
Bending
Crushing or crumpling
493967, B31F 110
Patent
active
058072292
ABSTRACT:
A cushioning conversion machine, converting method and dunnage product characterized by a novel connecting assembly which provides a unique interlock between overlapped portions of sheet-like stock material forming a dunnage product to prevent "unzippering" of the product. The connecting assembly includes a pair of loosely meshed stitching wheels, a first one of the stitching wheels having a plurality of radial projections protruding from a radially outer circumferential surface thereof, and a second one of the stitching wheels including a plurality of recesses for receiving the radial projections in meshed relationship upon rotation of the stitching wheels. The radial projections each have a radially outer end portion forming a hook, whereby, upon rotation of the stitching wheels with the overlapped portions of the stock material passing therebetween, the radial projection will pierce through and form a perforation in the overlapped portions as it moves into the recess in the second stitching wheel and then hook and reversely pull back through the perforation at least partway a tab portion of the overlapped portions adjacent the perforation.
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Day Christopher W.
Hoil, III Joseph J.
Ranpak Corp.
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