Title:
NOZZLE FOR COLD SPRAY, AND COLD SPRAY DEVICE USING NOZZLE FOR COLD SPRAY
Document Type and Number:
WIPO Patent Application WO/2012/086037
Kind Code:
A1
Abstract:
In order to efficiently obtain a high-quality film by cold spraying, the objective of the present invention is to provide a nozzle for cold spray allowing for greatly improved long-term sustained usage over the prior art, without the occurrence of nozzle clogging. To achieve the objective, there is used a convergent-divergent nozzle for cold spray having a working gas flow channel configured by communicatingly disposing a convergent part, a throat part, and a divergent part, in this order, along the direction in which a working gas flows from an inflow side to an outflow side, the nozzle for cold spray being characterized in that the divergent part has an inner-wall surface having a conic shape, at least a part of the inner-wall surface being constituted of a glass material.
Inventors:
FUKANUMA, Hirotaka (Tokyu Building West 1, 6F., 1-18-2, Nishiikebukuro, Toshima-k, Tokyo 21, 〒1710021, JP)
Application Number:
JP2010/073206
Publication Date:
June 28, 2012
Filing Date:
December 22, 2010
Export Citation:
Assignee:
PLASMA GIKEN CO., LTD. (Tokyu Building West 1, 6F. 1-18-2, Nishiikebukuro, Toshima-k, Tokyo 21, 〒1710021, JP)
プラズマ技研工業株式会社 (〒21 東京都豊島区西池袋１丁目１８番２号藤久ビル西１号館６階 Tokyo, 〒1710021, JP)
プラズマ技研工業株式会社 (〒21 東京都豊島区西池袋１丁目１８番２号藤久ビル西１号館６階 Tokyo, 〒1710021, JP)
International Classes:
C23C24/04; B05B7/14
Attorney, Agent or Firm:
YOSHIMURA, Katsuhiro (Omiya F Bldg. 5-4, Sakuragicho 2-chome, Omiya-ku, Saitama-sh, Saitama 54, 〒3300854, JP)
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Claims: