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    • 1. 发明授权
    • Simultaneous continuous biaxial web stretcher
    • 同时连续双轴卷筒纸
    • US3902230A
    • 1975-09-02
    • US48441074
    • 1974-07-01
    • KIMBERLY CLARK CO
    • SCHWARZ ECKHARD C A
    • D06C3/00
    • D06C3/00D06C2700/05
    • Apparatus for achieving simultaneous, continuous, biaxial orientation of webs including means for feeding the web to clamps positioned about a pair of oppositely canted sheaves, moving the clamped web around the circumference of the sheaves, and removing the biaxially stretched web from the sheaves at a location of wider separation than the feed zone. In one embodiment the clamps are driven by rods rotating parallel to the plane of the sheaves, but about a center which is displaced from that of the sheaves to obtain nearly balanced stretch profiles. Completely balanced stretch is achieved by using slightly s-shaped rods. The clamps accelerate with the web on one semicircle and decelerate on the opposite semicircle. Acceleration provides longitudinal stretching, while the divergence of the sheave circumferences provides lateral stretching.
    • 用于实现网的同时,连续,双轴取向的装置,包括用于将幅材馈送到位于围绕一对相对倾斜的滑轮定位的夹具的装置,将夹紧的幅材移动到围绕滑轮的圆周的位置,以及在一个 位置比进料区更宽的分离。 在一个实施例中,夹具由平行于滑轮的平面旋转的杆驱动,但是围绕与滑轮的中心相移的中心,以获得几乎平衡的拉伸轮廓。 通过使用略微s状的棒实现完全平衡的拉伸。 夹具在一个半圆上与网加速,并在相对的半圆上减速。 加速度提供纵向拉伸,而滑轮周长的发散提供横向拉伸。
    • 2. 发明授权
    • Simultaneous continuous biaxial web stretcher
    • 同时连续的双向网页扩展器
    • US3833973A
    • 1974-09-10
    • US26341772
    • 1972-06-16
    • KIMBERLY CLARK CO
    • SCHWARZ E
    • D06C3/00
    • D06C3/00D06C2700/05
    • Apparatus for achieving simultaneous, continuous, biaxial orientation of webs including means for feeding the web to clamps positioned about a pair of oppositely canted sheaves, moving the clamped web around the circumference of the sheaves, and removing the biaxially stretched web from the sheaves at a location of wider separation than the feed zone. In one embodiment the clamps are driven by rods rotating parallel to the plane of the sheaves, but about a center which is displaced from that of the sheaves to obtain nearly balanced stretch profiles. Completely balanced stretch is achieved by using slightly s-shaped rods. The clamps accelerate with the web on one semicircle and decelerate on the opposite semicircle. Acceleration provides longitudinal stretching, while the divergence of the sheave circumferences provides lateral stretching.
    • 用于实现网的同时,连续,双轴取向的装置,包括用于将幅材馈送到位于围绕一对相对倾斜的滑轮定位的夹具的装置,将夹紧的幅材移动到围绕滑轮的圆周的位置,以及在一个 位置比进料区更宽的分离。 在一个实施例中,夹具由平行于滑轮的平面旋转的杆驱动,但是围绕与滑轮的中心相移的中心,以获得几乎平衡的拉伸轮廓。 通过使用略微s状的棒实现完全平衡的拉伸。 夹具在一个半圆上与网加速,并在相对的半圆上减速。 加速度提供纵向拉伸,而滑轮周长的发散提供横向拉伸。