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    • 2. 发明公开
    • Method and apparatus for manufacturing a pipe element having shoulder, groove and bead
    • 用于生产具有肩部凹槽和胎圈中的管构件的方法和设备
    • EP2745950A1
    • 2014-06-25
    • EP14158108.2
    • 2011-11-30
    • Victaulic Company
    • Novitsky, Michael, R.Haas, EarlWilk, Charles, E., Jr.Madara, Scott, D.Cuvo, Anthony, J.Dole, Douglas, R.
    • B21D17/04B21D41/02B21D39/04
    • F16L21/06B21B23/00B21D15/06B21D17/04B21D22/16B21D39/046B21D41/00B21D41/023F16L17/025F16L17/04F16L21/022F16L23/08F16L25/12
    • 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).
    • 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)。
    • 7. 发明公开
    • Motor driven flaring device
    • 电机驱动的燃烧装置
    • EP0448304A2
    • 1991-09-25
    • EP91302235.6
    • 1991-03-15
    • REX INDUSTRIES CO., LTD.,INOAC CORPORATION
    • Takeoka, KatsushiOhashi, TsuyoshiIkenaka, Yoshikaru
    • B21D39/08B21D41/02F16L13/14
    • B21D41/023Y10T408/6771
    • A pipe flaring device has a rotatable eccentric cone (47), an apex of which defines a fixed centre of rotation, is pressed, while rotating, against an end of a pipe P to be flared. The device has a body (11) having a motor M therein, a drive shaft (27) drivable by the motor through reduction gearing (23) and relatively movable in the axial direction thereof, a feed screw shaft member (49) connected to the drive shaft (27) and screw-engaged by the body so as to rotate and move in the axial direction thereof, and a one-direction rotation transmission mechanism (39,43) between the drive shaft (27) and feed screw shaft member (49) for transmitting rotation of the drive shaft to the feed screw shaft member only in one direction.
    • 具有可旋转的偏心锥体(47)的管扩口装置(其顶点限定了固定的旋转中心)在旋转时抵靠待扩管的管P的端部被挤压。 该装置具有其中具有电动机M的主体11,通过减速齿轮23可由电动机驱动并可在其轴向方向上相对移动的驱动轴27,与该电动机M连接的进给丝杠轴构件49, 驱动轴27与主体螺纹接合以便沿其轴向旋转和运动;以及一个单向旋转传动机构39,43,位于驱动轴27与进给丝杠轴部件27之间 仅在一个方向上将驱动轴的旋转传递给进给丝杠轴部件。