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    • 2. 发明授权
    • Apparatus for looping a coating structure around a bead core in
motor-vehicle tires
    • 用于在汽车轮胎中围绕胎圈芯环绕涂层结构的装置
    • US6117269A
    • 2000-09-12
    • US94585
    • 1998-06-15
    • Augusto Pizzorno
    • Augusto Pizzorno
    • B29D30/48B29D30/50
    • B29D30/50B29D2030/2628B29D2030/482Y10T156/103
    • A method and apparatus for applying a ribbon-like coating structure to the outer surface of a tire bead core. A bead core (2) is coaxially placed around a support drum (6) carrying an inflatable air bag (7) disposed in a deflated condition. Clasping sectors (14) circumferentially distributed in the drum are radially moved close to the inner surface of the bead core (2) to make a central portion of a ribbon-like coating structure (3) arranged about the inflatable air bag (7), adhere against the bead core itself. The air bag is inflated so as to form, on opposite axial sides relative to the bead core (2), two lobes (17, 18) each of them being enclosed between the outer surface of the drum (6) and a respective annular opposition bell (19, 20) coaxially encircling the drum. By axially moving the opposition bells (19, 20), a first and a second side flap of the coating structure (3) are applied to respective surfaces of the bead core (2). The second flap overlaps the first flap and is fastened thereto on the radially external surface of the bead core (2).
    • 一种用于将带状涂层结构施加到轮胎胎圈芯的外表面的方法和装置。 胎圈芯(2)同轴地放置在承载处于放气状态的充气气囊(7)的支撑鼓(6)周围。 沿圆周方向分布在滚筒中的夹紧部分14径向移动到靠近胎圈芯2的内表面,以使围绕充气气囊(7)布置的带状涂层结构(3)的中心部分, 坚持珠芯本身。 气囊被充气以在相对于胎圈芯(2)的相对的轴向侧上形成两个叶片(17,18),每个叶片被包围在滚筒(6)的外表面和相应的环形对置 钟(19,20)同轴地环绕鼓。 通过轴向移动对立钟(19,20),将涂层结构(3)的第一和第二侧翼施加到胎圈芯(2)的相应表面。 第二翼片与第一翼片重叠,并且在胎圈芯(2)的径向外表面上固定。
    • 6. 发明授权
    • Apparatus for manufacturing a tire having the sidewalls ends overlapping
the ends of the tread band
    • 用于制造轮胎的装置,其具有与胎面带的端部重叠的侧壁端部
    • US6098686A
    • 2000-08-08
    • US151700
    • 1998-09-11
    • Claudio Lacagnina
    • Claudio Lacagnina
    • B29D30/32B29D30/58B29D30/72B29K21/00B29L30/00B29D30/30
    • B29D30/72
    • A method and apparatus for manufacturing a tire in which the sidewalls overlap the ends of the tread band. The method comprises the steps of inserting an extensible tubular releasing element around the carcass plies at each end of an assembly drum, wrapping the sidewalls on these elements, applying another tubular element on the sidewalls, and overturning the tubular elements to spread apart the sidewalls in an open position aside of the assembly drum. The carcass, in the form of a first-step cylindrical sleeve comprising open sidewalls, is transferable to a (second-step) forming drum to be torically formed against a separately prepared assembly comprising the belt pack and the tread band. Next, the band ends are turned down onto the toric carcass and the sidewalls are folded back against the carcass and over the ends of the tread band.
    • 一种制造轮胎的方法和装置,其中侧壁与胎面带的端部重叠。 该方法包括以下步骤:在组合鼓的每个端部处将可伸缩管状释放元件插入胎体帘布层的两端,将侧壁包裹在这些元件上,在侧壁上施加另一个管状元件,并且翻转管状元件以将侧壁分开 除了组装鼓之外的打开位置。 以包括开放侧壁的第一级圆柱形套筒的形式的胎体可转移到(第二步骤)成形滚筒,以相对于包括皮带包和胎面带的单独制备的组件进行多边形成。 接下来,将带端部向下折叠到复曲面胎体上,并且侧壁折叠抵靠胎体和胎面带的端部。
    • 8. 发明授权
    • Process and apparatus for the manufacture reinforcing metallic cord for
elastomer-matrix composite articles
    • 用于制造用于弹性体 - 基体复合制品的增强金属帘线的方法和装置
    • US6021633A
    • 2000-02-08
    • US84895
    • 1998-05-28
    • Marco CipparroneOmero Noferi
    • Marco CipparroneOmero Noferi
    • B60C9/00D07B1/06D07B3/02D07B3/08D07B7/02D01H13/26
    • D07B1/0646D07B1/062D07B3/00D07B7/022D07B2201/2006D07B2201/2022D07B2201/2025D07B2201/2029D07B2201/2037D07B2207/202D07B2207/4018D07B2207/409D07B2501/2046D07B3/10D07B7/025Y10S57/902
    • A cord comprising at least a first pair and a second pair of wires (2a, 2b) of different diameter randomly disposed in transverse cross section thereof, is obtained by arranging in a nacelle (7) of a double-twisting laying machine, a twister (16) operating upstream of a preformer (15). The twister (16), rotating in a direction opposite to that of the impeller (5) and at a speed which is twice that of the impeller, neutralizes the internal torsional stresses induced in the wires (2a, 2b) by effect of the double twisting carried out upon the action of the impeller itself. Thus, a better control of the preforming operation executed on the wires (2a, 2b) disposed parallel in respectively coplanar axes is enabled. The obtained cord (1), within each laying pitch and only under a traction condition involving a load not exceeding 5 kg, has at least one right cross section in which at least one wire (2a, 2b) is spaced apart from at least one of the adjacent wires so as to facilitate the rubberizing step, by enabling access of the blend to the cross section and penetration thereof along the cord axis. The cord is preferably used as a reinforcing element for the belt structure.
    • 通过布置在双捻布机的机舱(7)中,获得包括至少第一对和第二对不同直径的线(2a,2b)的线,其中它们以横截面随机布置, (16),其操作在预成型机(15)的上游。 旋转器(16)以与叶轮(5)的方向相反的方向以与叶轮两倍的速度旋转,通过双重作用中和线(2a,2b)中引起的内部扭转应力 在叶轮本身的作用下进行扭转。 因此,能够对平行于共面轴设置的线(2a,2b)执行的预处理操作的更好的控制。 所获得的绳索(1)在每个铺设沥青内并且仅在牵引条件下牵引不超过5kg的载荷,具有至少一个右侧横截面,其中至少一根丝线(2a,2b)与至少一个线 的相邻电线,以便于橡胶化步骤,使得共混物能够沿着帘线轴线进入截面并使其穿透。 帘线优选用作带结构的增强元件。
    • 9. 发明授权
    • Vulcanizable rubber composition, in particular for low rolling
resistance treads for vehicle tires
    • 可硫化的橡胶组合物,特别是用于车辆轮胎的低滚动阻力胎面
    • US5996663A
    • 1999-12-07
    • US831978
    • 1997-04-02
    • Luciano GarroAngela Amaddeo
    • Luciano GarroAngela Amaddeo
    • B60C1/00C08K3/04C08K3/36C08K5/54C08L7/00C08L9/06C08L19/00C08L25/04
    • C08L7/00B60C1/0016C08L19/006C08L9/06C08K3/04C08L9/00Y10T152/10495
    • A vulcanizable rubber composition is described comprising a cross-linkable unsaturated chain polymer base including natural rubber, at least a copolymer obtainable by polymerizing a conjugated diolefin with a vinyl aromatic hydrocarbon, and a main carbon black-based reinforcing filler, wherein:a) the copolymer is obtainable by polymerizing in 1,2 form with the vinyl aromatic hydrocarbon at least 50% by weight of the conjugated diolefin, so as to obtain in the copolymer a quantity of from 30% to 70% by weight to the total weight of the same of an olefin fraction having a 1,2 structure, andb) the carbon black has a DBP absorption value measured according to ISO 4656-1 equal to at least 110 ml/100 g, a reduction in the DBP absorption value measured after compression according to ISO 6894 equal to at least 25 ml/100 g and a surface area measured by means of CTAB absorption according to ISO 6810 not greater than 120 m.sup.2 /g.
    • 描述了一种可硫化的橡胶组合物,其包含可交联的不饱和链聚合物基质,其包括天然橡胶,至少一种可通过使共轭二烯烃与乙烯基芳族烃聚合而获得的共聚物和主要的炭黑基增强填料,其中:a) 共聚物可通过1,2-乙烯基芳族烃以至少50重量%的共轭二烯烃聚合的形式获得,从而在共聚物中获得的量为30重量%至70重量% 相同的具有1,2结构的烯烃级分,以及b)炭黑具有根据ISO 4656-1测量的等于至少110ml / 100g的DBP吸收值,压缩后测量的DBP吸收值的降低 根据ISO 6894等于至少25ml / 100g,并且通过根据ISO 6810的CTAB吸收测量的表面积不大于120m 2 / g。