Hole making device for web material
A perforating device for web material comprises a plurality of laser heads for emitting pulse laser beams toward the web traveling at constant speed and a plurality of linear actuators for individually supporting the laser heads, moving the laser heads independently in the width direction of the web...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | A perforating device for web material comprises a plurality of laser heads for emitting pulse laser beams toward the web traveling at constant speed and a plurality of linear actuators for individually supporting the laser heads, moving the laser heads independently in the width direction of the web, and determining positions for the application of the pulse laser beams. |
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