Patent ID: 6851592

Claim:
A cutting strip, comprising: a member having an edge comprising a first end section and a second end section, the edge having a plurality of teeth, wherein the teeth have a first tooth pattern along the first end section and the teeth have a second tooth pattern along the second end section, wherein in the first tooth pattern each tooth is angled outwards generally towards a first end of the member and in the second tooth pattern each tooth is angled outwards generally towards a second end of the member, the edge further comprising a middle section between the first and second end sections and a tooth pattern change section between the middle section and each of the first and second end sections, the teeth in the middle section and the tooth pattern change sections having different tooth patterns from the first and second tooth patterns, and the tooth pattern change sections include teeth at an angle between an angle of the teeth in the middle section and an angle of the teeth in an adjacent end section.