Patent ID: 6564683
Filing Date: 2003-05-20
Classification: B21D,Y10T

Abstract:
A multi-height cutting apparatus comprising:a column (3) having a longitudinal central axis (5); fixed cutting tool means (25;42) disposed around said central axis (5), said fixed cutting tool means (25;42) having at least one cutting edge (30; 47, 48) extended around said central axis (5); and a plurality of rotary cutting tool means (15;50) spaced between said column (3) and said fixed cutting tool means (25;42) and respectively rotated to cut can bodies (C) being delivered one after another through a circular path between the at least one cutting edge (30; 47, 48) of said fixed cutting tool means (25;42) and said rotary cutting tool means (15;50); wherein the at least one cutting edge (38; 47, 48) of said fixed cutting tool means (25;42) each have a stepped cutting structure, and said rotary cutting tool means (15;50) each have a cutting edge (18;57, 58) in a stepped structure thereof corresponding to the at least one cutting edge (30; 47, 48) of said fixed cutting tool means (25;42) for cutting each delivered can body (C) at different heights.