Powder feed nozzle for laser welding

Details Powder feed nozzle for laser welding Powder feed nozzle for laser welding

2005-04-19

2005-04-19

Elve, M. Alexandra (Department: 1725)

Electric heating

Metal heating

For deposition welding

C219S076120, C219S064000

Reexamination Certificate

active

06881919

ABSTRACT:
A powder feed nozzle for laser welding applications including a multiple outlet nozzle tip for focusing a discharged powder stream. The multiple outlet nozzle tip disperses multiple outlet streams and includes a powder discharge outlet and at least one focus gas discharge outlet, radially spaced from the powder discharge outlet, for dispersing a powder stream and a gas stream. Powder flows from a powder source through a powder channel to discharge a powder stream. Focus gas flows through a focus gas channel angled relative to the powder channel to discharge a focus gas stream.

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Product Brochure of ESAB, “Fuel Gas Nozzles 4216 Series”, prior to Jul. 1, 1999.

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