Patent Number: 6,168,847

Title: Pre-folded stock material for use in a cushioning conversion machine

Abstract: Pre-folded stock material for use in a cushioning conversion machine which converts the pre-folded stock material into a three-dimensional cushioning product. The stock material includes at least one ply having a plurality of layers at two of which are joined at a longitudinally extending fold. The stock material is preferably biodegradable, recyclable, and reusable paper and may be supplied in a roll or in a fan-folded stack.

Inventors: Murphy; Cynthia S. (Chardon, OH), Ratzel; Richard O. (Westlake, OH)

Assignee: Ranpak Corporation

International Classification: B31D 5/00 (20060101); B32B 003/04 ()

Expiration Date: 01/02/2018