B - Operations – Transporting – 21 – B
Patent
B - Operations, Transporting
21
B
13/1
B21B 1/22 (2006.01)
Patent
CA 1148707
Abstract of the Disclosure A scored sheet having a weakened line defined by material compressing ribs which also compress the material of the sheet being scored on opposite sides of the score so as to strengthen the sheet and thus permit deeper scoring and lesser score residuals without failure due to cracking. The material compressing ribs also control coating damage and exposed metal areas.
389977
Continental Group Inc. (the)
Swabey Ogilvy Renault
LandOfFree
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