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    • 6. 发明授权
    • Roller ridge expanding tool
    • 滚轮扩展工具
    • US3797297A
    • 1974-03-19
    • US3797297D
    • 1972-02-25
    • EMERSON ELECTRIC CO
    • WIGHTMAN LPAUL E
    • B21D39/06B21D39/18B21D41/02
    • B21D39/06B21D39/18B21D41/02
    • An expanding tool is provided which utilizes low friction means to expand tubular structures, for example, electrode elements for electronic air filters. The low friction means, in the illustrated embodiment, comprises a plurality of roller wheels arranged to provide tube expansion at spaced intervals about the tube. The particular construction utilized enables the radial expansion force exerted during tube expansion, that is, the force of the roller against the tube, to be balanced by the reaction force between the rollers themselves. Consequently, the only force required to push the expanding tool is that necessary to overcome the friction force of the rollers.
    • 提供了一种使用低摩擦装置来膨胀管状结构的膨胀工具,例如用于电子空气过滤器的电极元件。 在所示实施例中,低摩擦装置包括多个辊轮,布置成围绕管以间隔开的间隔提供管膨胀。 所使用的特定结构使得在管膨胀期间施加的径向膨胀力即辊抵抗管的力由辊之间的反作用力平衡。 因此,推动膨胀工具所需的唯一力是克服辊的摩擦力所必需的力。
    • 9. 发明公开
    • 익스팬더로울러 제조방법 및 제조장치
    • 制造膨胀滚子的方法和装置
    • KR1020030058310A
    • 2003-07-07
    • KR1020010088726
    • 2001-12-31
    • 손 적수문정환김영진김경태
    • 손적수김영진문정환김경태
    • B21D39/08
    • B21D37/20B21D39/18B21D43/26F15B13/02
    • PURPOSE: A method and an apparatus for fabricating an expander roller are provided to prevent fabric from being wrinkled by installing the expander roller at a predetermined position of a line. CONSTITUTION: A pipe having length corresponding to a half of whole length of an expander roller is prepared. Then, the pipe is inserted into an outer mold(65) having a space section. Then, a plurality of inner molds are sequentially inserted/withdrawn into/from the pipe, which is inserted into the outer mold(65), thereby expanding an inner diameter of the pipe. A center portion of the expanded pipe is fixed through a welding process. A cap having predetermined length is provided at both sides of the expander roller so as to support shafts formed at both sides of the expander roller.
    • 目的:提供一种用于制造膨胀辊的方法和装置,以通过将膨胀辊安装在线的预定位置来防止织物起皱。 构成:准备长度对应于膨胀辊的全长的一半的管子。 然后,将管插入具有空间部分的外模具(65)中。 然后,将多个内部模具顺次地插入/取出到插入外部模具(65)中的管中,从而扩大管道的内径。 膨胀管的中心部分通过焊接工艺固定。 在膨胀辊的两侧设置具有预定长度的盖,以支撑形成在膨胀辊两侧的轴。