CPC B31D 5/0047 (2013.01) [B32B 27/10 (2013.01); B65D 81/05 (2013.01); B31D 2205/0047 (2013.01)] | 8 Claims |
1. A cushioning and packaging element comprising at least one sheet of wrinkled paper, forming at least two longitudinal ducts delimiting a connection zone, wherein the longitudinal ducts each comprise a continuous interior hollow body, corresponding to a longitudinal inner section defined by inner ends of folds located at the periphery of the longitudinal ducts,
wherein the longitudinal ducts are creased at their peripheries and creased at least longitudinally, resulting in sensibly perpendicular oriented folds, to obtain improved resistance to radial compression, namely a direction perpendicular to the longitudinal direction of the cushioning element, and
wherein the hollow body is provided by a longitudinal section having a cross section selected from a circular, rectangular, square, oblong, triangular or hexagonal shape.
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