DEVICE FOR STRETCHING A THERMOPLASTIC FILM SIMULTANEOUSLY IN THE LONGITUDINAL DIRECTION AND THE TRANSVERSE DIRECTION

    公开(公告)号:US20180326650A1

    公开(公告)日:2018-11-15

    申请号:US15728708

    申请日:2017-10-10

    IPC分类号: B29C55/16 B29C55/20

    摘要: A device for stretching a thermoplastic film simultaneously in the longitudinal direction and the transverse direction is provided. The device includes, on each side of the film (F) to be stretched, grasping members for grasping a lateral edge of the film (F), and guide members; first and second guide rails (R1, R2), on which the members and are respectively able to move; first connecting rods connecting the grasping members and the guide members. In an embodiment, each guide member is connected to a single grasping member by one or several of said first connecting rods, and is connected to a first longitudinal adjusting member by one or several second connecting rods connected to the first longitudinal adjusting member; and the device includes adjusting means for adjusting the position and orientation of said first longitudinal adjusting member relative to said first and second guide rail (R1, R2).

    STRETCHED FILM MANUFACTURING METHOD AND STRETCHED FILM

    公开(公告)号:US20180093409A1

    公开(公告)日:2018-04-05

    申请号:US15559917

    申请日:2016-03-14

    申请人: ZEON CORPORATION

    发明人: Takao KOBAYASHI

    摘要: A method for manufacturing a stretched film, including stretching a long-length resin film in an oven by grippers while conveying the resin film to pass the resin film through the oven to manufacture a long-length stretched film having a slow axis within an average angle range of 10° or more and 80° or less with respect to a width direction thereof, wherein the oven has a stretching zone and a heat setting zone in this order from an upstream side, and the method includes the steps of: holding the both edges of the resin film by the grippers; stretching the resin film in the stretching zone; releasing the resin film from the grippers in the heat setting zone; and subjecting the resin film released from the grippers to a heat treatment at a temperature higher than Tg−10° C. and lower than Tg for 10 seconds or more in the heat setting zone.

    CLIP-TYPE STRETCHING APPARATUS
    5.
    发明申请

    公开(公告)号:US20180071973A1

    公开(公告)日:2018-03-15

    申请号:US15814864

    申请日:2017-11-16

    IPC分类号: B29C55/16

    摘要: A clip-type stretching apparatus includes a main link device, a sub-link device, a standard rail, a pitch setting rail, and drive sprockets, the main link device including a first clip support member having a clip, the sub-link device having the clip, the standard rail defining a circulation route of the clip, the pitch setting rail setting a pitch between the first clip support members by a distance from the standard rail, the drive sprockets engaged with a drive roller provided in a first shaft member of the first clip support member and causing the first clip support member to travel.

    GRIPPER WITH TOGGLE LEVER ARRANGEMENT

    公开(公告)号:US20170217081A1

    公开(公告)日:2017-08-03

    申请号:US15500401

    申请日:2015-07-16

    发明人: Helmut GUMPINGER

    IPC分类号: B29C55/20

    CPC分类号: B29C55/20 B29K2105/256

    摘要: An improved gripper with a toggle lever arrangement is characterized by, among others, the following features the gripper comprises a gripper lever which is pivotable with respect to a gripper holder around a gripper axis, the gripper lever is configured as a toggle lever and comprises in addition a first and a second toggle lever leg which are pivotable relative to each other around a toggle lever axis,—in addition a force application unit is provided which acts on the second toggle lever leg pivotable around the toggle lever axis and/or on the toggle lever flap,—the force application unit is thereby configured such that during pivoting of the gripper lever from the release position into the closed- and clamping position thereof, the toggle lever flap initially touches down on the side of the gripper table lying away from the material web while prefixing the material web in this region, before the toggle lever flap reaches the final closed- and clamping position thereof during the remaining pivoting process, in which position it is force-actuated in the direction of the gripper table and holds the material web edge clamped between the gripper surfaces.

    CLIP TRANSPORTING UNIT
    7.
    发明申请
    CLIP TRANSPORTING UNIT 审中-公开
    夹子运输单元

    公开(公告)号:US20160250801A1

    公开(公告)日:2016-09-01

    申请号:US15029077

    申请日:2014-09-18

    IPC分类号: B29C55/20

    CPC分类号: B29C55/20

    摘要: The invention relates to an improved transporting unit for a transporting device, in particular for a transverse, longitudinal, and/or simultaneous stretching installation, wherein transporting units (KT) can be moved along a guiding and/or supporting rail by means of a clip unit (KL) and a drive unit (AT) connected to the clip unit, is characterized by the following features: the clip transporting unit (KT) or the clip unit (KL) and/or the drive unit (AT) has, for example, a volume or weight fraction of at least 60% that consists of a forged part (ST) and/or is composed of a forging blank (SR).

    摘要翻译: 本发明涉及用于输送装置的改进的输送单元,特别是用于横向,纵向和/或同时拉伸装置,其中运输单元(KT)可以通过夹子沿导向和/或支撑轨移动 单元(KL)和连接到夹子单元的驱动单元(AT)的特征在于以下特征:夹子传送单元(KT)或夹子单元(KL)和/或驱动单元(AT)具有用于 例如,由锻造部件(ST)和/或由锻造坯料(SR)组成的至少60%的体积或重量分数。

    Film stretching machine and film stretching method
    9.
    发明授权
    Film stretching machine and film stretching method 有权
    薄膜拉伸机和薄膜拉伸方法

    公开(公告)号:US09073257B2

    公开(公告)日:2015-07-07

    申请号:US13263866

    申请日:2010-04-09

    IPC分类号: B29C55/20 B29C55/08 B29C55/16

    摘要: A film stretching machine includes a clip chain for holding a lateral edge of a film and stretches the film while transporting the film with the clip chain holding the film and traveling, and includes an upper reference rail disposed at an upper side for guiding the clip chain; a lower reference rail disposed at a lower side for guiding the clip chain; a plurality of clips that constitutes the clip chain; an interval adjusting rail for adjusting intervals of the plurality of clips; and interval adjusting links that couple neighboring clips among the plurality of clips and contact with the interval adjusting rail to adjust the intervals of the plurality of clips. According to the film stretching machine, a stretch degree of a film can be adjusted with a simple configuration and little man-hours.

    摘要翻译: 薄膜拉伸机包括用于保持薄膜的侧边缘的夹子链,并且在夹持薄膜并行进的夹子输送薄膜的同时使薄膜延伸,并且包括设置在上侧的用于引导夹子链的上基准导轨 ; 设置在下侧的用于引导夹子链的下参考轨道; 构成夹子链的多个夹子; 用于调节所述多个夹子的间隔的间隔调节轨道; 以及间隔调整链接,其将所述多个夹子中的相邻夹子联接并与所述间隔调整轨道接触以调整所述多个夹子的间隔。 根据薄膜拉伸机,可以以简单的结构和小的工时来调节薄膜的拉伸程度。

    Device for stretching film sections in a monoaxial or biaxial manner
    10.
    发明授权
    Device for stretching film sections in a monoaxial or biaxial manner 有权
    用于以单轴或双轴方式拉伸薄膜部分的装置

    公开(公告)号:US08641408B2

    公开(公告)日:2014-02-04

    申请号:US13263174

    申请日:2010-03-12

    申请人: Heinrich Collin

    发明人: Heinrich Collin

    IPC分类号: B29C51/04 B29C51/26

    CPC分类号: B29C55/10 B29C55/20

    摘要: The invention relates to a device for stretching film sections in a monoaxial or biaxial manner, preferably by way of a tenter frame, for films made substantially of polymers, wherein a square or rectangular section of a such film is seized at 4 sides by at least two tenter hooks each, designed as regards improved stretching such that the upper tenter hook part (11) is mounted in an articulated fashion on a rotational axis located outside the film to be stretched, and specifically such that the lower, fixed tenter hook part (13) carries the joint, while the upper tenter hook part (11) is designed so as to pivot upwards and at least one cylinder (14) is disposed rotated by 90° for applying the tensioning power and thus applies the tensioning power to the upper pivotable tenter hook part (11).

    摘要翻译: 本发明涉及一种用于以单轴或双轴方式拉伸薄膜部分的装置,优选通过拉幅机架,用于基本上由聚合物制成的薄膜,其中这种薄膜的正方形或矩形部分至少在四边被至少抓住 每个都有两个拉幅机钩,其设计用于改进的拉伸,使得上部拉幅机钩部分(11)以铰接的方式安装在位于待拉伸的膜外部的旋转轴线上,并且具体地使得下部固定的拉幅机钩部件 13)承载接头,而上部拉幅机钩部件(11)被设计成向上枢转,并且至少一个汽缸(14)被设置为旋转90°以施加张紧力,并且因此将张紧力施加到上部 可枢转拉幅机钩部件(11)。