Mechanical tube expander
    2.
    发明授权
    Mechanical tube expander 失效
    机械管膨胀机

    公开(公告)号:US3635073A

    公开(公告)日:1972-01-18

    申请号:US3635073D

    申请日:1969-12-29

    Applicant: COMBUSTION ENG

    Inventor: OLIVER RICHARD M

    CPC classification number: B21D39/10

    Abstract: A mechanical tube expander including a cage having rollers mounted therein and a tapered mandrel to coact therewith for expanding the tube. A locking member permits movement of the mandrel a predetermined distance after the rollers make initial contact with the inner surface of the tube, thereby causing a predetermined expansion of the tube.

    Abstract translation: 一种机械管膨胀机,其包括具有安装在其中的辊的保持架和用于使其膨胀的锥形心轴。 在辊与管的内表面初始接触之后,锁定构件允许心轴移动预定距离,从而引起管的预定膨胀。

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