Global Patent Index - EP 1925693 A3

EP 1925693 A3 2009-02-25 - Cold gas spraying method and apparatus therefor

Title (en)

Cold gas spraying method and apparatus therefor

Title (de)

Kaltgasspritzverfahren und Vorrichtung dafür

Title (fr)

Méthode de projection gazodynamique à froid des matériaux en poudre et équipement pour sa mise en oeuvre

Publication

EP 1925693 A3 (FR)

Application

EP 07022932 A

Priority

RU 2006141982 A

Abstract (en)

[origin: EP1925693A2] Cold projection of powder materials comprises feeding powder materials with different properties into subsonic and/or supersonic parts of a supersonic nozzle via different feed points. The powder materials are accelerated by a gas stream and are deposited on a surface. An independent claim is also included for a device for cold projection of powder materials, comprising an electric heater (1) for heating pressurized gas, a supersonic nozzle (2) connected to the outlet of the heater, a principal feed device for supplying the nozzle separately with at least two powders, and at least one supplementary feed device for supplying the supersonic parts of the nozzle with at least one powder.

IPC 8 full level (invention and additional information)

C23C 24/00 (2006.01)

CPC (invention and additional information)

C23C 24/04 (2013.01); B05B 7/205 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA HR MK RS

EPO simple patent family

EP 1925693 A2 20080528; EP 1925693 A3 20090225; EP 1925693 B1 20120627; RU 2006141982 A 20080610; RU 2353705 C2 20090427

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