Bias stretching apparatus for imitation-leather
    2.
    发明授权
    Bias stretching apparatus for imitation-leather 失效
    用于仿皮革的偏压拉伸装置

    公开(公告)号:US4233012A

    公开(公告)日:1980-11-11

    申请号:US902568

    申请日:1978-05-03

    摘要: A diagonal bias-stretching device and a method of enhancing surface grain of imitation-leather material with such device, which device comprises a reciprocating roller moving between lateral positions on either side of a line of advance of an imitation-leather material, to provide for alternating diagonal stretching and relaxing of the material as it moves under tension in the line of advance.

    摘要翻译: 对角线偏斜拉伸装置和使用这种装置增强仿皮革材料的表面纹理的方法,该装置包括在仿皮革材料的前进线的任一侧的横向位置之间移动的往复滚子,以提供 交替的对角线拉伸和放松的材料,因为它在提前行进的张力下移动。