Title:
ANGLE AND ITS PRODUCTION
Document Type and Number:
Japanese Patent JP3822282
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an angle and its production method not requiring a large scale iron melting equipment, capable of cold forming or warm forming and welding well in forming an external wall, etc., of building material.
SOLUTION: The angle is produced so that a stainless steel strip is cold formed to a forming angle and a circular arc length of outer angle part of the forming angle is reduced by compressing between the end part (a1) of the side A of one side of the forming angle and the outside part (b3) of the other side B, further by compressing between the outer side part (a3') of one side A' of the forming angle and the end part (b1') of the other side B'.
Inventors:
Tadashi Yamashita
Application Number:
JP16993896A
Publication Date:
September 13, 2006
Filing Date:
June 28, 1996
Export Citation:
Assignee:
Nippon Metal Co., Ltd.
International Classes:
B21D53/00; E04C3/04; B21H8/00; (IPC1-7): B21D53/00; E04C3/04; //B21H8/00
Domestic Patent References:
| JP6170405A |
Attorney, Agent or Firm:
Takehiko Suzue
Sadao Muramatsu
Atsushi Tsuboi
Ryo Hashimoto
Satoshi Kono
Makoto Nakamura
Sadao Muramatsu
Atsushi Tsuboi
Ryo Hashimoto
Satoshi Kono
Makoto Nakamura
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