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US 8,501,302 B2Granted
Off-set gears and methods of using off-set gears for producing cushioning material
AssigneeNuevopak International Limited
InventorsShek-wah Hau, Chak-sang Simon Chan
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Abstract
Some embodiments of the present invention comprise an off-set gear assembly for use in producing cushioning material and methods for using the same. Each gear of the off-set gear assembly has at least two sections. Each section includes a set of gear teeth. The gear teeth of the two sections can be rotationally off-set and this can result in the production of cushioning material with staggered ridges. Some embodiments of the present invention also comprising cushioning material with staggered ridges.
Claims2
A cushioning product comprising:
- a stock material having overlapping edge portions, the overlapping edge portions having at least a first set of ridges and at least a second set of ridges, each of the sets of ridges including a plurality of longitudinally spaced apart ridges, with the at least first set of ridges also being laterally spaced apart from the at least second set of ridges;
- pillow-like portions positioned laterally outward of the overlapping edge portions, the pillow-like portions extending longitudinally along a length of the cushioning product;
- and
- at least a third set of ridges that are diagonally configured in relation to the first and second set of ridges, the third set of ridges dispose between the pillow-like portions.
1 more element
Dependencies are inferred from the claim text.