Electric heating – Metal heating – By arc
Reexamination Certificate
2005-01-04
2009-12-01
Heinrich, Samuel M (Department: 3742)
Electric heating
Metal heating
By arc
C219S121840, C118S641000, C118S308000, C118S315000
Reexamination Certificate
active
07626136
ABSTRACT:
A powder metal cladding nozzle which is coaxially attached to a laser processing head that irradiates a process portion (W) with a laser beam (L) and that discharges powder metal (P) to a laser beam irradiation portion in the process portion (W). The powder metal cladding nozzle includes a body portion (2) that has a ring-shaped powder metal holding space (7) in which the powder metal (P) is held; and a nozzle portion (3) that is connected to the body portion (2) and that has plural discharge passages (18) which are communicated with the powder metal holding space (7) and which open at an outlet (19) for discharging the powder metal (P). The powder metal holding space (7) is formed in the body portion (2) and is divided into plural powder metal holding regions corresponding to plural supply passages (10) that open into the powder metal holding space (7) and that supply the powder metal (P) to the powder metal holding space (7).
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Ishikawa Yoshinori
Nowotny Steffen
Sato Akio
Scharek Siegfried
Fraunhofer-Gesellschaft zur Forderung der Angewandten Forschung
Heinrich Samuel M
Oliff & Berridg,e PLC
Toyota Jidosha & Kabushiki Kaisha
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