Laser Processing Nozzles and Methods
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United States of America Patent
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app pub date -
Apr 27, 2011
filing date -
Oct 29, 2008
priority date (Note) -
Abandoned
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Abstract
The invention relates to a laser processing nozzle for processing metal sheets. The processing nozzle includes a supply chamber for a processing gas and a laser beam and a mouth region which directly adjoins the supply chamber along the longitudinal axis of the nozzle. The mouth region is narrowed relative to the supply chamber and forms a minimum diameter of the laser processing nozzle. A step is formed between the supply chamber and the mouth region for swirling the processing gas, and an opening region which widens relative to the mouth region adjoins the mouth region along the longitudinal axis of the nozzle.
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