Patent ID: 6168847
Filing Date: 2001-01-02
Classification: B31D,Y10S,Y10T

Abstract:
A continuous web of flat folded sheet stock material for use in a cushioning conversion machine, comprising at least one ply of sheet stock material suitable for use in forming a resilient cushioning product, said at least one ply having a central portion and lateral edge portions, the lateral edge portions being folded over the central portion to form with the central portion a plurality of layers each joined at a longitudinally extending fold to at least one other layer, the lateral edge portions being at least partially coextensive with one another and with the central portion such that at least a portion of the flat folded sheet stock material is three layers thick, the lateral edge portions being folded over on the same side of the central portion, the lateral edge portions at least partially overlapping, and at least two of the layers being free to separate from one another to permit crumpling of said stock material as it travels through the conversion machine wherein said stock material is paper.