Title:
改修排水ドレン
Document Type and Number:
Japanese Patent JP6877104
Kind Code:
B2
Abstract:
Provided is substitute raw material suitable for raw material as plate-shaped structural body of restoration parts of the drainage ditch. The substitute raw material has excellent performance, is softand well constructed. Provided are aluminum material used for restoration parts of the drainage ditch, plate-shaped structural body containing the aluminum material and the manufacture method thereof. The aluminum material has the total content of Fe, Si and Cu below 0.01 by mass and the residual amount of A1 and inescapable impurity elements.
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Inventors:
Kosuke Hoshikawa
Akira Nagata
Kubo Yuki
Akira Nagata
Kubo Yuki
Application Number:
JP2016149990A
Publication Date:
May 26, 2021
Filing Date:
July 29, 2016
Export Citation:
Assignee:
Sumitomo Chemical Co., Ltd.
International Classes:
E04D13/04; C22C21/00; C22F1/04
Domestic Patent References:
| JP2009242867A | ||||
| JP2014101643A | ||||
| JP8144063A | ||||
| JP2015059333A | ||||
| JP2012202048A | ||||
| JP2003277989A | ||||
| JP20121748A |
Foreign References:
| US5469670 |
Attorney, Agent or Firm:
Samejima Mutsumi
Norihito Yamao
Norihito Yamao