Scoring rule for forming a folding score on a sheet material
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United States of America Patent
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Jul 11, 2023
Grant Date -
Mar 30, 2017
app pub date -
Dec 12, 2016
filing date -
Aug 17, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A scoring rule for forming a folding score on a sheet material includes a pair of score members with a scoring surface portions with individually asymmetrical flat outer surfaces extending at an angle. The score members press against a first side of the sheet material to cause a pair of laterally spaced fold score lines to be formed on the first side of the sheet material by the scoring surface portions. As the scoring rule engages the sheet material, a second, opposite side of the sheet material is compressed such that rubber-type material of an anvil of the rotary press bulges towards and forces the sheet material into an area between the pair of score members causing a self-contained single longitudinally inwardly extending groove to be formed on the second, opposite side of the sheet material along a line parallel to and positioned between the laterally spaced score lines.
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