Form for concrete steps
    2.
    发明授权
    Form for concrete steps 失效
    FORM FOR CONCRETE STEPS

    公开(公告)号:US3863885A

    公开(公告)日:1975-02-04

    申请号:US42996174

    申请日:1974-01-02

    IPC分类号: B28B7/22 B28B7/28

    CPC分类号: B28B7/225

    摘要: A form for producing concrete steps as an integral unit with risers, steps and a platform, if desired, utilizing inner and outer form or mold members with the inner form member adjustable transversely so that the width of the steps to be produced can be selected to suit and the same form utilized for a variety of steps of differing widths.

    摘要翻译: 用于生产作为具有立管,台阶和平台的整体单元的混凝土台阶的形式,如果需要,利用内部和外部形式或模具构件,其中内部构件可以横向调节,使得要生产的步骤的宽度可以选择为 西装和用于不同宽度的各种步骤的相同形式。