Title:
HIGH-STRENGTH PROCESS MATERIAL, METHOD OF PRODUCING THE SAME AND PRODUCTION APPARATUS THEREFOR
Document Type and Number:
WIPO Patent Application WO/2008/044564
Kind Code:
A1
Abstract:
A method of producing a high-strength process material which comprises: the step
of putting an alloy material (10) into the central cavity of a cylindrical mold
(2); the step of vertically compressing both ends of the material in the central cavity
with a pressing member (5) and a first supporting member (3) and shifting one lengthwise
end of the material radially outward along the end face of the cylindrical mold
(2) to thereby form a protruding bulge part; the step of bringing the pressing member
(5) into contact with the lengthwise end face of the protruding bulge part so as
to press the protruding bulge part against the end face of the cylindrical mold
(2); and the step of increasing the distance between the pressing member (5) and
the end face of the cylindrical mold (2) while decreasing the distance between
the pressing member (5) and the first supporting member (3) and thus allowing the
continuous radially outward flow of the material from one end of the material to
the other end thereof to thereby gradually increase the thickness of the protruding bulge
part.
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Inventors:
NISHIGORI, Shigeru (1-1, Ishibe-Midoridai 2-chome, Konan-sh, Shiga 89, 5203189, JP)
西郡 榮 (〒89 滋賀県湖南市石部緑台二丁目１番１号 株式会社ゴーシュー内 Shiga, 5203189, JP)
AKITA, Toru (LTD. 1-1 Ishibe-Midoridai 2-chome, Konan-sh, Shiga 89, 5203189, JP)
秋田 亨 (〒89 滋賀県湖南市石部緑台二丁目１番１号 株式会社ゴーシュー内 Shiga, 5203189, JP)
西郡 榮 (〒89 滋賀県湖南市石部緑台二丁目１番１号 株式会社ゴーシュー内 Shiga, 5203189, JP)
AKITA, Toru (LTD. 1-1 Ishibe-Midoridai 2-chome, Konan-sh, Shiga 89, 5203189, JP)
秋田 亨 (〒89 滋賀県湖南市石部緑台二丁目１番１号 株式会社ゴーシュー内 Shiga, 5203189, JP)
Application Number:
JP2007/069344
Publication Date:
April 17, 2008
Filing Date:
October 03, 2007
Export Citation:
Assignee:
GOHSYU CO., LTD. (1-1 Ishibe-Midoridai 2-chome, Konan-shi Shiga, 89, 5203189, JP)
株式会社ゴーシュー (〒89 滋賀県湖南市石部緑台二丁目１番１号 Shiga, 5203189, JP)
NISHIGORI, Shigeru (1-1, Ishibe-Midoridai 2-chome, Konan-sh, Shiga 89, 5203189, JP)
西郡 榮 (〒89 滋賀県湖南市石部緑台二丁目１番１号 株式会社ゴーシュー内 Shiga, 5203189, JP)
AKITA, Toru (LTD. 1-1 Ishibe-Midoridai 2-chome, Konan-sh, Shiga 89, 5203189, JP)
株式会社ゴーシュー (〒89 滋賀県湖南市石部緑台二丁目１番１号 Shiga, 5203189, JP)
NISHIGORI, Shigeru (1-1, Ishibe-Midoridai 2-chome, Konan-sh, Shiga 89, 5203189, JP)
西郡 榮 (〒89 滋賀県湖南市石部緑台二丁目１番１号 株式会社ゴーシュー内 Shiga, 5203189, JP)
AKITA, Toru (LTD. 1-1 Ishibe-Midoridai 2-chome, Konan-sh, Shiga 89, 5203189, JP)
International Classes:
B21J1/04; B21J5/00; B21J5/02; B21J5/08; B22F3/17; C22F1/00; C22F1/06
Attorney, Agent or Firm:
ITOH, Hidehiko et al. (IMY INTERNATIONAL PATENT OFFICE, Oriental Sakaisuji Bldg.21-19, Shimanouchi 1-chome,Chuo-ku, Osaka-shi, Osaka 82, 5420082, JP)
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