B - Operations – Transporting – 60 – R
Patent
B - Operations, Transporting
60
R
88/113.18
B60R 1/00 (2006.01) A24C 5/00 (2006.01) B23K 26/067 (2006.01) B23K 26/08 (2006.01) G02B 26/10 (2006.01)
Patent
CA 1145173
582=899A LIGHT ENERGY PERFORATION APPARATUS AND SYSTEM ABSTRACT Apparatus for generating pulsed light beams from a focused continuous laser beam includes reflector discs which are rotated about a common rotational axis. The discs include peripheral reflective facets which confront the laser beam in the course of rotation and also have light transmissive por- tions between adjacent facets. The facets and transmissive portions of successive discs are selectively misaligned such that pulsed beams issue successively from different discs. A system employing the apparatus for perforation of a web also includes a common lens per disc pair and a prism for deviating light issuing from one disc of the disc pair.
335938
Barber Richard B.
Taylor George W.b.
Gowling Lafleur Henderson Llp
Morris (philip) Incorporated
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