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2. 发明公开

EP0604788A1 Method of forming a vessel pouring spout 失效
标题翻译： Verfahren zum Formen einerGiesstülle。
公开(公告)号：EP0604788A1
公开(公告)日：1994-07-06
申请号：EP93119593.7
申请日：1993-12-06
申请人： Corning Incorporated
发明人： Mack, Alfred Neal, Corning Incorporated , Tobey, Stephen Leslie, Corning Incorporated
IPC分类号： B21D51/22 , B21D51/42
CPC分类号： B21D51/22 , B21D51/42
摘要： A method for forming a constant geometry and non-turbulent stream inducing pouring spout (10) in the rim portion (8) of a annular side-walled vessel (2). The method comprises the steps of:

a) positioning the vessel within a clamping means (30) possessing a groove whose centerline forms a 90° angle with the annular side wall of the vessel when the clamping means is in place;
b) placing inside the vessel a center plug means (32) possessing a radially extending groove (42) whose centerline forms a 90° angle with the annular side wall (6) when the center plug means is in place;
c) aligning the centerlines of the grooves of the clamping means and the center plug means to form a straight line travel path;
d) placing a pour spout forming means in the center plug portion's groove and causing the forming means (31) to travel along the travel path and into contact with the rim portion of the vessel; and,
e) further causing the forming means to travel along the travel path to yieldably deform the rim portion of the annular wall into the desired shape pouring spout.
The actual deformation of the rim (8) takes place in three stages. The first stage and third stages involve deforming the rim portion by the forming means in an outward and upward direction and an outward and downward direction, respectively, while the second stage involves deforming the rim portion in only an outward direction.
摘要翻译：一种在环形侧壁容器（2）的边缘部分（8）中形成恒定几何形状和非湍流的方法。该方法包括以下步骤：a）当夹紧装置就位时，将容器定位在夹紧装置（30）中，夹紧装置（30）具有与容器的环形侧壁成90度角的凹槽; b）当中心塞装置就位时，将具有径向延伸的凹槽（42）的中心塞装置（32）放置在容器内部，其中心线与环形侧壁（6）形成90度角; c）对准夹紧装置的凹槽的中心线和中心塞装置，以形成直线行进路径; d）将倒出口形成装置放置在中心插塞部分的槽中，并使成形装置（31）沿着行进路径移动并与容器的边缘部分接触; 以及e）进一步使所述成形装置沿所述行进路径移动，以使所述环形壁的轮缘部分可变形地变形成所需形状的倾倒口。边缘（8）的实际变形分三个阶段进行。第一阶段和第三阶段涉及通过成形装置分别沿向外和向上方向以及向外和向下方向使边缘部分变形，而第二阶段包括使边缘部分仅在向外的方向变形。

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