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Patent Searching and Data


Title:
ORIFICE PLATE AND METHOD FOR PRODUCING THE SAME
Document Type and Number:
WIPO Patent Application WO/2010/131755
Kind Code:
A1
Abstract:
Provided is an orifice plate for liquid spraying formed by shearing an orifice in a stainless steel sheet. The average crystal grain size of the stainless steel of the orifice plate is 3 μm or smaller. The thickness of the stainless steel sheet is 1.2 mm or less, preferably 0.1 mm or less. The orifice aspect ratio is 0.8 or less. The orifice is either perpendicular to the sheet surface or inclined at an angle of 50º or less with respect to the sheet surface. The stainless steel sheet has a composition containing C, Mn, and Si.

Inventors:
TORIZUKA Shiro (2-1 Sengen 1-chome, Tsukuba-sh, Ibaraki 47, 〒3050047, JP)
鳥塚 史郎 (〒47 茨城県つくば市千現一丁目2番地1 独立行政法人物質・材料研究機構内 Ibaraki, 〒3050047, JP)
MURAMATSU Eijiro (2-1 Sengen 1-chome, Tsukuba-sh, Ibaraki 47, 〒3050047, JP)
村松 榮次郎 (〒47 茨城県つくば市千現一丁目2番地1 独立行政法人物質・材料研究機構内 Ibaraki, 〒3050047, JP)
KOMATSU Takafumi (942-2, Oaza Shigakuwabara, Suwa-sh, Nagano 12, 〒3920012, JP)
小松 隆史 (〒12 長野県諏訪市大字四賀桑原942-2 株式会社小松精機工作所内 Nagano, 〒3920012, JP)
Application Number:
JP2010/058235
Publication Date:
November 18, 2010
Filing Date:
May 14, 2010
Export Citation:
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Assignee:
NATIONAL INSTITUTE FOR MATERIALS SCIENCE (2-1 Sengen 1-chome, Tsukuba-shi Ibaraki, 47, 〒3050047, JP)
独立行政法人物質・材料研究機構 (〒47 茨城県つくば市千現一丁目2番地1 Ibaraki, 〒3050047, JP)
Komatsu Seiki Kosakusho Co., Ltd. (942-2, Oaza Shigakuwabara Suwa-sh, Nagano 12, 〒3920012, JP)
株式会社小松精機工作所 (〒12 長野県諏訪市大字四賀桑原942-2 Nagano, 〒3920012, JP)
Tokushu Kinzoku Excel Co., Ltd. (4-25, Mejiro 1-chome Toshima-k, Tokyo 31, 〒1710031, JP)
株式会社特殊金属エクセル (〒31 東京都豊島区目白一丁目4-25 Tokyo, 〒1710031, JP)
TORIZUKA Shiro (2-1 Sengen 1-chome, Tsukuba-sh, Ibaraki 47, 〒3050047, JP)
鳥塚 史郎 (〒47 茨城県つくば市千現一丁目2番地1 独立行政法人物質・材料研究機構内 Ibaraki, 〒3050047, JP)
MURAMATSU Eijiro (2-1 Sengen 1-chome, Tsukuba-sh, Ibaraki 47, 〒3050047, JP)
International Classes:
B05B1/18; B21D28/00; B21D28/16; C21D9/46
Attorney, Agent or Firm:
HIRAYAMA Kazuyuki (6th Floor, Shinjukugyoen Bldg. 2-3-10, Shinjuku, Shinjuku-k, Tokyo 22, 〒1600022, JP)
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Claims: