Patent ID: 7090156
Filing Date: 2006-08-15
Classification: B02C,B26D,B29B,Y10T

Abstract:
1. A method of destroying a to-be-destroyed planar material, comprising: passing the to-be-destroyed planar material through a rotating cutter system, wherein the cutter includes a plurality of cutting edges that respectively take tiny nibbles out of the to-be-destroyed planar material, with the axis about which the cutter rotates being parallel to the to-be-destroyed planar material; including a rotating secondary shredder with a rotating primary cutter, wherein the secondary shredder and the primary cutter differ as to patterning and/or geometry of cutter edges respectively disposed thereon and/or as to whether a sacrifice material is used therewith; and including a single shaft common to the rotating secondary shredder and the rotating primary cutter.