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    • 1. 发明申请
    • METHOD FOR MANUFACTURING A TYRE AND EXTRUDER USED THEREBY
    • 制造轮胎和使用的挤出机的方法
    • WO2003066313A1
    • 2003-08-14
    • PCT/IT2002/000064
    • 2002-02-05
    • PIRELLI PNEUMATICI S.P.A.NOTO, RodolfoDE GESE, IgnazioLO PRESTI, Gaetano
    • NOTO, RodolfoDE GESE, IgnazioLO PRESTI, Gaetano
    • B29C47/14
    • B29C47/14B29C47/0016B29C47/003B29C47/026B29D2030/1678B29L2030/00
    • The present invention relates to a tyre manufacturing method comprising the steps of: making at least one semi-finished elementary product in elastomeric material; depositing said semi-finished elementary product by overlaying it in adjacent turns on a toroidal support (30), in which the step of making said at least one semi-finished elementary product is carried out by extruding said elastomeric materiel through an extruder head (10) provided with a bush (2) defining a tapered extrusion channel (15), said bush having an inlet section (S1) and an outlet section (S2) in which the ratio between the area of said inlet section (S1) and the area of said outlet section (S2) is between 5 and 100 and the ratio between the diameter (db) of said inlet section (S1) and the length (1b) of said bush is between 0.1 and 1. An extruder for producing a semi-finished elastomeric product of predetermined shape and dimensions employed in the abovementioned method is also described.
    • 轮胎制造方法技术领域本发明涉及一种轮胎制造方法,其包括以下步骤:在弹性体材料中制造至少一种半成品基本产品; 通过将其覆盖在环形支撑件(30)上的相邻匝上来沉积所述半成品基本产品,其中通过将所述弹性体材料挤出通过挤出机头(10)来进行制备所述至少一种半成品基本产品的步骤 )设置有限定锥形挤出通道(15)的衬套(2),所述衬套具有入口部分(S1)和出口部分(S2),其中所述入口部分(S1)的面积与所述区域 (S2)的直径(db)与所述衬套的长度(1b)之间的比率在0.1和1之间。1.一种用于制造半导体装置的挤出机, 还描述了在上述方法中采用的预定形状和尺寸的成品弹性体产品。
    • 5. 发明申请
    • METHOD FOR FORMING A PNEUMATIC TYPE FOR VEHICLE WHEELS
    • 用于形成用于车轮的气动类型的方法
    • WO2003061953A1
    • 2003-07-31
    • PCT/IT2001/000656
    • 2001-12-27
    • PIRELLI PNEUMATICI S.P.A.CARETTA, RenatoDE GESE, IgnazioLO PRESTI, GaetanoNOTO, Rodolfo
    • CARETTA, RenatoDE GESE, IgnazioLO PRESTI, GaetanoNOTO, Rodolfo
    • B29D30/10
    • B29D30/38B29D30/10B29D30/165Y10T152/10819
    • Method for forming a tyre for vehicle wheels and tyre obtained by said method, said tyre (1) comprising a carcass structure, an annular reinforcing structure associated with said carcass structure, a tread band (4) in a position radially outside said carcass structure, and a pair of sidewalls (5) in axially opposite on said carcass structure, where the manufacture of said carcass structure comprises at least the steps of: preparing a plurality of strip-like elements (6) each comprising one or more elongated elements (7) at least partially lined with at least one layer of elastomeric material, laying each strip-like element (6) on a a toroidal support in a substantially U-shaped configuration around the profile of the cross-section of said toroidal support in order to define two lateral positions which extends substantially in planes perpendicular to the geometrical axis of rotation of said toroidal support in positions spaced from each other in the axial direction, and a crown portion which extends in a radially external position between said lateral portions, said crown portions of each strip-like element (6) being arranged side-by-side with respect to each other along the circumferential extension of the toroidal support, said method envisaging a step involving constriction of the end zones of each strip-like element (6), prior to laying thereof on said toroidal support.
    • 用于形成用于通过所述方法获得的车轮和轮胎的轮胎的方法,所述轮胎(1)包括胎体结构,与所述胎体结构相关联的环形加强结构,在所述胎体结构的径向外侧的位置处的胎面带(4) 以及一对在所述胎体结构上轴向相对的侧壁(5),其中所述胎体结构的制造至少包括以下步骤:制备多个条形元件(6),每个包括一个或多个细长元件(7 )至少部分地衬有至少一层弹性体材料,将每个带状元件(6)铺设在围绕所述环形支撑件的横截面的轮廓的大致U形构造的环形支撑件上,以便限定 两个横向位置,其基本上在垂直于所述环形支撑件的旋转几何轴线的平面中沿轴向彼此间隔开的位置延伸,并且冠部分 其在所述侧向部分之间的径向外部位置中延伸,每个条状元件(6)的所述冠状部分沿着所述环形支撑件的圆周延伸部彼此相对地布置,所述方法设想为步骤 包括在将其铺设在所述环形支撑件上之前收缩每个带状元件(6)的端部区域。
    • 9. 发明申请
    • METHOD AND APPARATUS FOR PRODUCING TYRES FOR VEHICLE WHEELS
    • 用于生产车轮轮胎的方法和装置
    • WO2005011967A1
    • 2005-02-10
    • PCT/IT2003/000478
    • 2003-07-30
    • PIRELLI PNEUMATICI S.p.ALACAGNINA, ClaudioDE GESE, Ignazio
    • LACAGNINA, ClaudioDE GESE, Ignazio
    • B29D30/20
    • B29D30/20B29D30/36B29D2030/202
    • The carcass structure (3) of a tyre (2) is produced on a drum (14) having a proximal half (14a) and a distal half (14b) that can be mutually approached to determine a radial expansion of the carcass ply (10) until bringing it against the belt structure (49 carried by a transfer member (30). The proximal half (14a) is axially integral with a support structure (15) carried by a robotized arm (21) of an actuating unit (20) transmitting an axial movement to the proximal half (14a), while the distal half (14b) carries out a translation following a stroke the amount of which is twice that of the stroke transmitted by the robotized arm (21). The robotized arm transfers the drum (14) to a unit for application of an elongated element to form a tread band (5) on the belt structure (4) and /or a pair of sidewalls (6) at axially external postions on the carcass structure (3).
    • 轮胎(2)的胎体结构(3)在具有可相互接近以确定胎体帘布层(10)的径向膨胀的近端半部(14a)和远端半部(14b)的滚筒(14)上产生 (14a)与由致动单元(20)的机器人手臂(21)承载的支撑结构(15)轴向一体地形成, 向所述近端半部(14a)传递轴向运动,而所述远端半部(14b)在所述自动化臂(21)传递的行程的两倍的行程上执行平移,所述自动化臂 鼓(14)到用于施加细长元件的单元,以在胎体结构(3)上的轴向外部位置处在带结构(4)和/或一对侧壁(6)上形成胎面带(5)。