Patent ID: 7954407
Filing Date: 2011-06-07
Classification: B26F,Y10T

Abstract:
1. A steel rule die including in combination a bottom board, one or more cavity boards on top of said bottom board, a metal plate located on top of said top cavity board, a top board located on top of said metal plate, a plurality of rule slots in said top board defining in plan view a rectangular or square configuration, a steel rule in each of said slots, each of said steel rules being generally flat to fit in a slot and having a bottom portion adjacent said metal plate and a top portion formed into a cutting edge residing above the surface of said top board, each said steel rule extending on a longitudinal axis and having first and second and portions, said first end portion extending at approximately a 45° angle to said longitudinal axis and on one side of said axis, said second end portion extending at approximately a 45° angle to said longitudinal axis and on another side of said axis, said steel rules in said rule slots being arranged alternately with said first end portion of a given rule located adjacent said second end portion of a next rule adjacent said given rule.