Cutting – Processes
Reexamination Certificate
2010-01-08
2011-11-15
Alie, Ghassem (Department: 3724)
Cutting
Processes
C083S076000, C083S298000, C083S312000, C156S250000, C156S256000, C156S259000, C156S353000, C156S510000
Reexamination Certificate
active
08056455
ABSTRACT:
A method and apparatus for producing shaped articles from a web material is disclosed. The apparatus generally includes a rotary cutting roller, preferably including indicia on an end surface, and an anvil roller operating in cooperating rotational movement with the rotary cutting roller. The apparatus die cuts web material into predetermined shapes. The apparatus further includes at least one sensor for detecting rotational movement of the rotary cutting die by way of the indicia on the end surface of the rotary cutting roller. The information from the at least one sensor and an encoder is processed and translated to drive means to thereby corrects variation in web alignment relative to the rotary cutting roller. The adjustment of the rotary cutting roller of the present invention allows the rotary cutting roller to cut within a high degree of accuracy and precision.
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Alie Ghassem
Ryan Kromholz & Manion S.C.
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