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公开(公告)号：US20160238168A1
公开(公告)日：2016-08-18
申请号：US15068520
申请日：2016-03-11
CPC分类号： F16L23/14 , B21D19/16 , F24F13/0209
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.
摘要翻译： [问题]提供一种具有较高强度并且易于处理和制造的导管凸缘结构。 解决问题的手段一种管状凸缘结构，其布置在具有基本上四边形形状的圆柱形导管体2的端部中，包括：凸缘部4，其通过弯曲从开口边缘延伸的延伸部30而形成 如图3A所示，构成管体2的壁板3中的每一个，凸缘部分4由垂直部分41构成，垂直部分41基本上垂直于壁板3延伸，并且水平部分42从垂直部分基本上平行于壁板3延伸 如图41所示，垂直部分41和水平部分42通过将延伸部分30折叠并叠合成两个或更多个而形成。
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公开(公告)号：US20160236257A1
公开(公告)日：2016-08-18
申请号：US14944144
申请日：2015-11-17
CPC分类号： F16L23/02 , B21D19/16 , F16L23/14 , F24F13/0209
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.
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