System for cutting a moving web in the cross direction to...

Manufacturing container or tube from paper; or other manufacturi – Container making – Rigid container

Reexamination Certificate

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C493S194000, C493S227000

Reexamination Certificate

active

06945922

ABSTRACT:
A system, apparatus and method is provided for perforating a web such as a paper tissue or paper toweling into distinct and perforated sheets. The invention provides a laser array capable of providing an incident beam of light upon the surface of the web. The web travels at relatively high speed on a web support mechanism. The web is contacted by the laser light source, which is directed at predetermined locations upon the web to provide a perforation or severing of the web. The employment of a laser in the practice of the invention provides the ability to precisely measure and vary the length of the perforations along the web in a more efficient manner, for a precise cut.

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PCT Search Report Dec. 17, 2002.
KINETIC Operating Principles of the Kinetic High Speed Perforating Blade, pp. 1-9.

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