发明名称 |
DUCT FLANGE STRUCTURE, AND MANUFACTURING METHOD FOR THE SAME |
摘要 |
[Problems] To provide a duct flange structure which has a higher strength and which is easier to handle and manufacture. [Means for solving the Problems] A duct flange structure which is arranged in an end portion of a cylindrical duct body 2 having a substantially quadrilateral shape in section, includes: a flange portion 4 formed by bending an extension portion 30 extending from an opening edge 3A of each of wall plates 3 constituting the duct body 2, the flange portion 4 being constituted by a vertical portion 41 extending outside substantially vertically to the wall plate 3 and a horizontal portion 42 extending substantially parallel to the wall plate 3 from the vertical portion 41, the vertical portion 41 and the horizontal portion 42 being formed by folding and superposing the extension portion 30 in two or more. |
申请公布号 |
SG10201508614Y(A) |
申请公布日期 |
2016.09.29 |
申请号 |
SG10201508614Y |
申请日期 |
2015.10.16 |
申请人 |
SHINFUJI KUUCHOU CO., LTD. |
发明人 |
ISAMU KAJINO;NAOKI HASHIMOTO;TOMOTSUGU NOGUCHI;TAKAAKI UCHIKAWA |
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