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    • 27. 发明授权
    • Registration system effective drive roll radius compensation
    • 注册系统有效的驱动辊半径补偿
    • US06761351B1
    • 2004-07-13
    • US10248590
    • 2003-01-30
    • Richard L. Howe
    • Richard L. Howe
    • B65H522
    • B65H5/34B65H7/20B65H2511/10B65H2513/106B65H2513/50B65H2515/00B65H2557/23B65H2557/242B65H2220/01B65H2220/02
    • Systems and methods of registration system control are provided that compensate for differences in physical properties of various substrates being transported through the system that impact velocity of the substrate. Exemplary systems of the Invention include at least one roll pair formed by a first, driven roll and a second roll defining a nip therebetween that is part of the transport path through which a substrate is passed. A prestored lookup table includes empirically-derived compensation factors for plural different kinds of substrates, with each compensation factor being based on physical characteristics of the substrate that impact displacement and velocity of the substrate along the transport path, such as the substrate's mass per unit area, which has been found to have a strong correlation with detected deviations in linear travel displacement and velocity. Upon input or determination of the substrate being registered, the system adjusts the drive profile of the drive roll by the compensation factor. This is preferably by substituting a derived effective drive roll radius value for the actual drive roll radius value in the drive control profile to correspond to the substrate being transported. A suitable compensation factor compensates for both the angular velocity of the drive roll and the amount of angular rotation so that the linear velocity of the substrate and the travel path length of the substrate are appropriated compensated.
    • 提供了配准系统控制的系统和方法,其补偿通过系统传送的各种衬底的物理特性的差异,冲击衬底的速度。 本发明的示例性系统包括由第一从动辊和第二辊形成的至少一个辊对,其限定了它们之间的辊隙,其是衬底通过的传送路径的一部分。 预先存储的查找表包括用于多种不同种类的衬底的经验导出的补偿因子,每个补偿因子基于衬底的物理特性,该衬底的物理特性影响衬底沿输送路径的位移和速度,例如衬底每单位面积的质量 已被发现与检测到的线性行程位移和速度的偏差具有很强的相关性。 在输入或确定正在登记的基板时,系统通过补偿因素调整驱动辊的驱动轮廓。 优选地,通过将​​驱动控制轮廓中的实际驱动辊半径值的导出的有效驱动辊半径值替换为对应于正被输送的基板。 合适的补偿因数补偿驱动辊的角速度和角度旋转量,使得衬底的线速度和衬底的行进路径长度被适当地补偿。
    • 29. 发明授权
    • Method and apparatus for manufacturing an absorbent article
    • 用于制造吸收制品的方法和装置
    • US5693165A
    • 1997-12-02
    • US633741
    • 1996-04-19
    • Christoph Schmitz
    • Christoph Schmitz
    • A61F13/15B65H20/08B65H20/24
    • B65H20/24A61F13/15764A61F13/15772B65H20/08B65H2301/4491B65H2513/106
    • The invention relates to a method of manufacturing an absorbent article (144), wherein the speed of a part (7b) of a continuously moving web (1) comprising a topsheet (121), backsheet (123), core (120) or any combination thereof, is periodically varied, while maintaining a constant speed of the upstream (3) and downstream (5) parts of the web (1). The method comprises feeding the web (1) past rotating transportation rollers (13, 15) which are oscillated parallel to the web (1) in the direction of transportation (F) and opposite to the direction of transportation (F). Three web sections (7a, 7b, 7c) are during oscillation of the transportation rollers (13, 15) maintained in a mutually parallel relationship. Translation means (77) and rotation balancing means (63, 63') allow the transportation rollers (13, 15) to be driven at high speeds and low variations in torque. The strain exerted on the web (1) remains relatively low and is limited to the inertia forces that act on the web (1).
    • PCT No.PCT / US94 / 12286 Sec。 371日期:1996年04月19日 102(e)日期1996年4月19日PCT提交1994年10月26日PCT公布。 公开号WO95 / 12491 日期1995年5月11日本发明涉及一种制造吸收制品(144)的方法,其中连续移动的织物(1)的部分(7b)的速度包括顶片(121),底片(123),芯( 120)或它们的任何组合,在保持幅材(1)的上游(3)和下游(5)部分的恒定速度的同时周期性地变化。 该方法包括将纤维网(1)沿着运输方向(F)平行于卷筒纸(1)摆动并与运输方向(F)相反的旋转输送辊(13,15)进给。 三个腹板部分(7a,7b,7c)在保持相互平行关系的输送辊(13,15)的振荡期间。 平移装置(77)和旋转平衡装置(63,63')允许输送辊(13,15)以高速和低扭矩变化被驱动。 施加在幅材(1)上的应变保持相对较低,并且限制作用在幅材(1)上的惯性力。