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    • 55. 发明申请
    • METHOD OF MANUFACTURING PLASTICS FILM
    • 制造塑料薄膜的方法
    • WO99007530A1
    • 1999-02-18
    • PCT/GB1998/002346
    • 1998-08-05
    • B26F1/28B29C59/10
    • B26F1/28Y10T83/0414
    • A method of producing plastics film (8) wherein high-voltage pulses (Figure 2) are impressed between a pair of electrodes (4, 6), thereby creating pores in a plastics film which is fed into the spark gap (5) between said electrodes, characterised in that the number of discharge sparks which are generated subsequent to the pore-opening discharge spark is controlled by monitoring the pore-opening discharge spark and subsequent discharge sparks within one of the said high-voltage pulses. The method produces fine pores having a uniform pore diameter under controlled circumstances.
    • 一种制造其中在一对电极(4,6)之间施加高电压脉冲(图2)的塑料膜(8)的方法,从而在塑料膜中产生孔,该塑料膜被馈送到所述火花隙 电极,其特征在于,通过在所述高电压脉冲之一内监测开孔放电火花和随后的放电火花来控制在开孔放电火花之后产生的放电火花的数量。 该方法在受控的情况下产生具有均匀孔径的细孔。
    • 59. 发明申请
    • METHOD AND APPARATUS FOR CUTTING A RIBBON OF RUBBER-COATED FABRIC
    • 用于切割橡胶涂层织物的方法和装置
    • WO2003035379A1
    • 2003-05-01
    • PCT/IB2001/002025
    • 2001-10-25
    • PIRELLI PNEUMATICI S.P.A.DALE', PietroBELLINI, Stefano
    • DALE', PietroBELLINI, Stefano
    • B29D30/46
    • B29D30/46B29D2030/466Y10S83/917Y10S83/951Y10T29/5168Y10T83/0207Y10T83/04Y10T83/0414Y10T83/0495Y10T83/0524Y10T83/0553Y10T83/0586Y10T83/293Y10T83/447Y10T83/647Y10T83/7688Y10T83/7693Y10T83/942
    • A method and an apparatus (1) for cutting a ribbon (2) of rubber-coated fabric including a plurality of reinforcing cords (3), intended in particular for manufacturing semi-finished reinforcing products of a green tire, are described. The method of the invention comprises the steps of forming at a working position (W) a notch (24) of predetermined length extending between two adjacent cords (3) along a cutting direction (C-C) by means of a punching device (4) cooperating with an abutting counter-blade (7); inserting at least one cutting blade (19) through the notch (24) causing the same to pass at least partly over the lying plane of the ribbon (2); and carrying out a first and a second cut of the ribbon (2) by shifting the blade (19) along the cutting direction (C-C) for a first portion extending between the notch (24) and a first lateral edge (25) of the ribbon (2) and, respectively, for a second portion extending between the notch (24) and an opposite lateral edge (26) of the ribbon (2). Advantageously, the risk of damaging or cutting the reinforcing cords (3) is minimized, thereby minimizing both the amount of production scraps and the risk of jamming the automatic machines for manufacturing green tires.
    • 描述了一种用于切割包括特别用于制造生胎的半成品加强产品的多个加强帘线(3)的橡胶涂层织物的带(2)的方法和装置(1)。 本发明的方法包括以下步骤:在工作位置(W)通过冲压装置(4)在切割方向(CC)上在两个相邻的帘线(3)之间延伸预定长度的切口(24) 具有邻接的反向叶片(7); 插入至少一个切割刀片(19)穿过所述凹口(24),使得所述刀片至少部分地穿过所述带状物(2)的所述平坦平面; 以及通过沿所述切割方向(CC)移动所述刀片(19)来执行所述色带(2)的第一和第二切口,用于在所述凹口(24)和所述凹口(24)的第一侧边缘(25)之间延伸的第一部分 带状物(2)和分别用于在切口(24)和带(2)的相对侧边缘(26)之间延伸的第二部分。 有利地,使加强帘线(3)的损坏或切割的风险最小化,从而最小化生产废料的量和使生产绿色轮胎的自动机器卡住的风险。
    • 60. 发明申请
    • A METHOD AND MEANS FOR HOT-AIR CUTTING
    • 一种用于热空气切割的方法和手段
    • WO1998012028A1
    • 1998-03-26
    • PCT/SE1997001556
    • 1997-09-15
    • NEOS ROBOTICS ABNEUMANN, Karl-Erik
    • NEOS ROBOTICS AB
    • B26F01/26
    • B26F3/06B26F1/26Y10T83/0414Y10T83/0591
    • A method for hot-air cutting wherein compressed air is forced into a hot-air unit (2) in which the compressed air is heated, whereafter the air is conducted out through a cutting nozzle (3) in the form of hot air and a device for hot-air cutting, wherein a compressed-air unit is connected to a hot-air unit (2) via a coupling device arranged at one end of the hot-air unit (2) to provide the hot-air unit (2) with compressed air, the hot-air unit (2) being provided at its other end with a cutting nozzle (3), and also wherein a heating device (6) is arranged to heat air flowing into the hot-air unit (2).
    • 一种用于热风切割的方法,其中压缩空气被迫进入其中加压了压缩空气的热空气单元(2)中,之后空气通过热空气形式的切割喷嘴(3)导出, 用于热风切割的装置,其中压缩空气单元经由布置在所述热风单元(2)的一端处的联接装置连接到热空气单元(2),以提供所述热空气单元(2) ),热风单元(2)在其另一端设置有切割喷嘴(3),并且还包括加热装置(6),用于加热流入热空气单元(2)的空气 )。