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发明公开
EP2745950A1 Method and apparatus for manufacturing a pipe element having shoulder, groove and bead 审中-公开
用于生产具有肩部凹槽和胎圈中的管构件的方法和设备

Method and apparatus for manufacturing a pipe element having shoulder, groove and bead
摘要：
A device and a method thereof for forming the ends of a pipe element. The device (74) comprises a first roller (78) and second roller (80) for imparting a shape to a sidewall of a pipe element. The first roller (78) rotates about an axis (82) and comprises a first segment (94) having a first outer diameter (94a); a second segment (96) positioned contiguous with said first segment (94) and having a second outer diameter (96a) smaller than said first outer diameter (94a); a third segment (98) positioned contiguous with said second segment (96) and having a third outer diameter (98a) larger than said second outer diameter (96a).
The second roller (80) rotates about an axis (88) and comprises a fourth segment (104) having a fourth outer diameter (104a); a fifth segment (106) positioned contiguous with said fourth segment (104) and having a fifth outer diameter (106a) greater than said fourth outer diameter (104a); a sixth segment (108) positioned contiguous with said fifth segment (106) and having an sixth outer diameter (108a) less than said fifth outer diameter (106a); and a seventh segment (110) positioned contiguous with said sixth segment (108) and having a seventh outer diameter (110a) approximately equal to said fifth outer diameter (106a).
摘要（中）：

的装置和用于形成管元件的端部的方法及其。 的装置（74）包括用于赋予形状的管元件的侧壁上的第一辊（78）和第二辊子（80）。 第一辊（78）旋转约于轴线（82）和包括第一部段（94）具有第一外径（94A）; 第二分段（96）具有定位在所述第一部段（94）和具有第二外径（96A）比所述第一外径（94A）更小的连续; 三分之一段（98）与位于所述第二区段（96）和具有第三外径（98A）比所述第二外径（96A）更大的连续。 第二辊（80）旋转至约轴线（88）和包括第四区段（104）具有第四外径（104A）; 第五区段（106）邻接于定位在所述第四区段（104）和具有第五外径（106A）大于所述第四外径（104A）; 第六段（108），邻接于定位在所述第五区段（106）和在第六外径具有（108A）小于所述第五外径（106A）; 和第七区段（110）邻接于定位在所述第六区段（108）和具有第7的外径（110A）近似等于所述第五外径（106A）。

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