Water jet slitter with laser finish and method

Details Water jet slitter with laser finish and method Water jet slitter with laser finish and method

B - Operations, Transporting

26

F

B26F 3/00 (2006.01) B23K 26/00 (2006.01) B23K 26/08 (2006.01) B23K 26/14 (2006.01) B23K 26/36 (2006.01) B26D 7/27 (2006.01) B26D 9/00 (2006.01)

Patent

CA 2092819

A high pressure water jet (32) is used in conjunction with a relatively low power laser (34) to produce a smooth cut (C) in a traveling web (W). The cutting procedures produces a relatively small amount of fiber dust in the atmosphere surrounding the cut- ting operation. The water jet (32) severs the traveling web (W) into separate parts (Ws, Ws'), and the laser (34) is directed to the severed edges (E, E') to burn away the protruding ends of the paper fibers to produce a uniform, smooth cut (C) in both severed edges. A trough (18) is disposed on the side of the web opposite the water jet (32) and laser (34) to receive and collect the water severing the web and the fiber dust, and to diffuse the laser beam emissions.

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