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    • 16. 发明授权
    • Process and drum for constructing a green tire
    • 用于构造生胎的工艺和滚筒
    • US06539998B2
    • 2003-04-01
    • US09739889
    • 2000-12-20
    • Horst SergelHans Menell
    • Horst SergelHans Menell
    • B29D3026
    • B29D30/26B29C2791/006B29D30/246B29D2030/2692
    • Expandable drum for constructing a green carcass of a tire has a periphery and includes a plurality of metal segments positioned to form a substantially cylindrical arrangement, adapted for radial expansion and compression. A thick-walled casing, positioned over the plurality of metal segments, forms the drum periphery. The thick-walled casing includes rubber and a plurality of voids arranged to have an outer periphery in the thick-walled casing. An evacuating pump is coupled to the plurality of voids. The plurality of voids form suctioning voids to suction the green carcass onto the drum periphery during compression of the drum periphery, and are coupled at radially outermost extents to a network of grooves arranged to provide wave-free and smooth contraction of green carcass during its compression, thereby avoiding bulges and creases in contracting green carcass. Radially innermost extents of the voids are coupled to evacuating pump to create vacuum in the grooves.
    • 用于构造轮胎的绿色胎体的可膨胀滚筒具有周边,并且包括定位成形成适于径向膨胀和压缩的基本圆柱形布置的多个金属段。 定位在多个金属段上的厚壁壳体形成滚筒周边。 厚壁壳体包括橡胶和布置成在厚壁壳体中具有外周的多个空隙。 抽空泵联接到多个空隙。 多个空隙形成抽吸空隙,以在滚筒周边的压缩期间将绿色胎体抽吸到滚筒周边上,并且在径向最外侧的范围处联接到布置成在压缩过程中提供绿色胎体的无波浪和平滑收缩的槽网 ,从而避免了承包绿色胴体的隆起和褶皱。 空隙的最内部径向联接到抽空泵以在凹槽中产生真空。
    • 17. 发明授权
    • Process and drum for constructing a green tire
    • 用于构造生胎的工艺和滚筒
    • US06235135B1
    • 2001-05-22
    • US09158495
    • 1998-09-23
    • Horst SergelHans Menell
    • Horst SergelHans Menell
    • B29D3026
    • B29D30/26B29C2791/006B29D30/246B29D2030/2692
    • Process and drum for constructing a green tire on a radially expandable drum having a substantially horizontal axis of rotation. The process includes collapsing the radially expandable drum at a minimum first diameter, and positioning a casing on the radially expandable drum to form a drum periphery being composed of an elastic material, and having an inner diameter at least as great as the first diameter, and including a plurality of voids coupled to an evacuating pump. The radially expandable drum is radially expanded from the first diameter to a second diameter greater than the first diameter to expand the casing, and producing a carcass, having at least one carcass ply with at least one of sidewalls and an air-tight inner layer, on the drum. A vacuum is produced in the voids to suction the carcass onto the drum periphery and at least axial end areas of the expandable drum are radially compressed to a third diameter to enable bead cores to traverse the drum periphery without touching the drum periphery. The bead cores are slid over at least the axial end areas of the drum periphery and are axially positioned over the axial end areas of the drum periphery, which are radially expanded at least the axial end areas of the radially expandable drum to a fourth diameter sufficient to radially compress the bead cores and the carcass against each other, providing adequate bonding between a bead core inner surface and a carcass external surface. The fourth diameter is substantially the same as the second diameter, the radially expandable drum is radially compressed to a fifth diameter between the first and second diameters, and the carcass with set bead cores is pulled off the radially expandable drum for further processing in a preshaping device. Upon conclusion of the bead core placement, the carcass is substantially free of compressive stress and tensile stress.
    • 用于在具有基本水平的旋转轴线的可径向扩张的滚筒上构造生轮胎的工艺和滚筒。 该方法包括以最小的第一直径折叠可径向扩张的滚筒,并将壳体定位在径向可扩张的滚筒上以形成由弹性材料组成的滚筒周边,并具有至少与第一直径一样大的内径,以及 包括耦合到抽空泵的多个空隙。 径向可扩张的滚筒从第一直径径向膨胀到大于第一直径的第二直径以扩展壳体,并且产生具有至少一个具有侧壁和气密内层中的至少一个的胎体帘布层的胎体, 在鼓上 在空隙中产生真空以将胎体吸入滚筒周边,并且可膨胀滚筒的至少轴向端部区域被径向压缩至第三直径,以使胎圈芯能够滚动滚筒周边而不接触滚筒周边。 胎圈芯在至少滚筒周边的轴向端部区域上滑动,并且轴向地定位在滚筒周边的轴向端部区域上,其径向扩张至少可径向扩张的滚筒的轴向端部区域为足够的第四直径 将胎圈芯和胎体径向压缩,从而在胎圈芯内表面和胎体外表面之间提供足够的接合。 第四直径基本上与第二直径相同,径向可扩张的滚筒在第一和第二直径之间被径向压缩至第五直径,并且将具有固定胎圈芯的胎体从可径向扩张的滚筒上拉出以便在预成型中进一步加工 设备。 在胎圈芯布置结束时,胎体基本上没有压应力和拉伸应力。
    • 20. 发明授权
    • Method and device for cutting to length a strip of tire building material
    • 用于切割轮胎建筑材料条的方法和装置
    • US5273601A
    • 1993-12-28
    • US994115
    • 1992-12-21
    • Horst SergelGerd Brandes
    • Horst SergelGerd Brandes
    • B26D1/02B26D3/00B26D7/08B26D7/14B29D30/30B29D30/46B29D30/16
    • B29D30/3007B26D7/086B26D7/14
    • A method for cutting to length a strip of tire building material includes the step of feeding the strip of tire building material via a conveying device tangentially to a winding drum. In a further step the strip of tire building material is wound onto the winding drum by rotating the winding drum and a defined pressure is simultaneously applied with a pressure roller during winding until a length of the strip of tire building material corresponding almost to the circumference of the winding drum has been wound onto the winding drum. The rotating winding drum is then stopped and the strip of tire building material is fixed in a first location in the vicinity of a cutter bar that is positioned directly in front of the conveying device. The pressure roller is then moved from its initial position toward the cutter bar along the circumference of the winding drum to thereby tighten the strip of tire building material and fix the strip of material in a second location closely adjacent to the first location. In a final step, the strip of tire building material is cut with a cutting tool.
    • 一种用于将轮胎建筑材料条切割成长度的方法包括通过与卷绕鼓相切地的输送装置供给轮胎建筑材料条的步骤。 在另一步骤中,轮胎建筑材料带通过旋转卷筒而卷绕到卷绕筒上,并且在卷绕期间同时施加限定的压力,加压辊直到轮胎建筑材料条的长度几乎相当于 卷筒已卷绕在卷筒上。 然后旋转的卷绕鼓被停止,并且轮胎建筑材料条被固定在直接位于输送装置前面的切割杆附近的第一位置。 然后压力辊沿着卷绕滚筒的圆周从其初始位置移动到切割杆,从而拧紧轮胎建筑材料条,并将材料条固定在紧邻第一位置的第二位置。 在最后一步中,用切割工具切割轮胎建筑材料条。