Cooling duct of a laser processing machine

Details Cooling duct of a laser processing machine Cooling duct of a laser processing machine

2008-01-22

2008-01-22

Elve, M. Alexandra (Department: 1725)

Electric heating

Metal heating

By arc

C219S121860, C219S121840

Reexamination Certificate

active

07321104

ABSTRACT:
An apparatus for the removal of waste heat and material during laser cutting of a hollow workpiece by a laser beam includes a duct with external dimensions that permit insertion of at least a portion of the duct within the hollow workpiece, a chamber within the duct for receiving the laser beam, and an opening in an outer surface of the duct for admitting the laser beam into the chamber. The apparatus further includes a first inlet in the duct for supplying a liquid to the chamber, a second inlet in the duct for supplying a gas to the chamber, and a nozzle adapted for supplying a mixture of the liquid and the gas to the chamber.

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patent: WO 00/69594 (2000-11-01), None

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