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    • 2. 发明授权
    • Tire building apparatus
    • 轮胎建筑设备
    • US06739366B2
    • 2004-05-25
    • US09873428
    • 2001-06-05
    • Toshio Tokunaga
    • Toshio Tokunaga
    • B29D3024
    • B29D30/247B29D2030/3214
    • A tire building apparatus comprises a group of many segments enlarging to pushingly lock a bead portion of a green tire, a ring-shaped inner piston engaging with each segment of such a group, a ring-shaped outer piston contacting and engaging with a back face of the inner piston, a cylinder slidably housing the inner piston and the outer piston therein, a pair of gas pressure acting means moving each of the inner piston and outer piston inward or outward in the direction of the axial line, and a stopper formed in the cylinder.
    • 一种轮胎建造装置包括:一组多个段,其扩大以推动地锁定生轮胎的胎圈部分,与这种组的每个部分接合的环形内活塞,与背面接触和接合的环形外活塞 所述内部活塞的内部活塞和所述外部活塞可滑动地容纳的气缸,一对气体压力作用装置,使所述内部活塞和外部活塞沿所述轴线的方向向内或向外移动, 气瓶。
    • 3. 发明授权
    • Expandable mandrel having adjustable width
    • 具有可调宽度的可扩展心轴
    • US06390166B1
    • 2002-05-21
    • US09574362
    • 2000-05-19
    • Clark A. RobertsMark S. Byerley
    • Clark A. RobertsMark S. Byerley
    • B29D3024
    • B29D30/24B29D2030/2657
    • A rotatable drum useful in the manufacture of vehicle tires. A plurality of segments collectively define the outer circumferential surface of the drum. These segments are divided into two sets, one set being disposed on each of the opposite sides of a transverse center plane of the drum, the center plane being oriented normal to the rotational axis of the drum. The two sets of segments are mounted for selective positioning thereof axially of the drum from a location external of the drum to adjust the overall working width of the drum. Further, the segments are selectively positionable between expanded positions radially of the rotational axis of the drum to provide a relatively continuous circumferential outer surface of the drum for the layup of a tire carcass thereon, and collapsed positions radially of the drum to permit the removal of a formed toroidal carcass from the drum. Movement of the plurality of segments of each of the two sets of segments radially of the rotational axis of the drum is effected by “slaving” the two sets of segments off a central mechanism which controls the radial positions of all the segments simultaneously and equidistantly from the rotational axis of the drum, while further providing for axial movement of the two sets of segments relative to one another while the segments are positioned at any given radial location of the segments.
    • 用于制造车辆轮胎的可旋转滚筒。 多个段共同限定滚筒的外圆周表面。 这些段被分成两组,一组设置在滚筒的横向中心平面的每个相对侧上,中心平面垂直于滚筒的旋转轴线。 这两组片段被安装成用于从滚筒的外部的位置轴向地选择性地定位它们,以调节滚筒的整个工作宽度。 此外,段可以选择性地定位在滚筒的旋转轴线的径向扩展位置之间,以提供滚筒的相对连续的周向外表面,用于在其上堆叠轮胎胎体,并且在滚筒的径向上折叠位置以允许去除 来自滚筒的形成的环形胎体。 通过将两组分段从滚筒的旋转轴线径向放置的多个分段的运动通过中心机构“分离”来实现,该中心机构同时且等距离地控制所有分段的径向位置 滚筒的旋转轴线,同时进一步提供两组分段相对于彼此的轴向移动,同时段被定位在段的任何给定的径向位置处。
    • 4. 发明授权
    • Tire building drum having expandable center section and independently expandable bead lock assemblies in the end sections
    • 轮胎成型鼓具有可扩展的中心部分和在端部部分中的可独立扩张的胎圈锁组件
    • US06769468B2
    • 2004-08-03
    • US09960211
    • 2001-09-21
    • William Dudley CurrieEmile RedingJohn Kolbjoern Roedseth
    • William Dudley CurrieEmile RedingJohn Kolbjoern Roedseth
    • B29D3024
    • B29D30/246B29D30/247B29D2030/3214
    • A tire building drum has a center section (720) and two end sections (722,724). Each end section is provided with an expandable bead lock assembly (726). The center section is preferably expandable. The expandable bead lock assembly comprises a carrier ring (CR) and a plurality of elongate links (K) extending between the carrier ring (CR) and a plurality of radially-expandable segments (S). When the carrier ring moves inward (towards the center section), the radially-expandable segments (S) move radially outward, urging a plurality of axially extending, circumferentially spaced-apart finger segments (F) outward from a collapsed position to an expanded position, and at least one position therebetween. In an embodiment of the invention, the bead lock assembly comprises a cylinder and two pistons (P1, P2) disposed within the cylinder. The pistons are free to move axially within the cylinder, in response to pneumatic pressure. The first piston (P1) is constrained from moving axially inward by rods (R1P1,R2P1,R3P1). The second piston (P2) is connected by rods (R1P2,R2P2,R3P2) to the carrier ring (CR). Pressurized air supplied through hoses (H1,H2,H3) and passageways in the cylinder (73) control the movement of the pistons (P1,P2) so that the beach lock assembly can be partially-expanded, fully-expanded, and retracted, unexpanded position.
    • 轮胎成型鼓具有中心部分(720)和两个端部部分(722,724)。 每个端部设置有可膨胀的胎圈锁组件(726)。 中心部分优选是可扩张的。 可膨胀胎圈锁组件包括承载环(CR)和在承载环(CR)和多个径向可扩展段(S)之间延伸的多个细长连杆(K)。 当承载环向内(朝向中心部分)向内移动时,径向可扩张的段(S)径向向外移动,从而将多个沿轴向延伸的周向间隔开的指状区段(F)从折叠位置向外推动到扩张位置 ,以及其间的至少一个位置。 在本发明的一个实施例中,胎圈锁组件包括一个缸体和两个设置在气缸内的活塞(P1,P2)。 响应于气动压力,活塞在气缸内自由移动。 第一活塞(P1)受到杆(R1P1,R2P1,R3P1)的轴向向内移动约束。 第二活塞(P2)通过杆(R1P2,R2P2,R3P2)连接到载体环(CR)。 通过软管(H1,H2,H3)和气缸(73)中的通道供应的加压空气控制活塞(P1,P2)的运动,使得海滩锁组件可以部分地膨胀,完全展开和缩回, 未展开位置