Tongue and groove tapered planks
    1.
    发明授权
    Tongue and groove tapered planks 失效
    舌和沟锥形木板

    公开(公告)号:US4700524A

    公开(公告)日:1987-10-20

    申请号:US889120

    申请日:1986-07-24

    CPC classification number: E04C2/12 B27B1/00 B27F1/02 B27L11/007

    Abstract: A finished construction plank processed from a log having sides chipped to a hexagonal profile to form tapered flattened surfaces along the longitudinal length of the log and cut to form a top and bottom half having a middle surface wherein each half is cut with at least one of a tongue and groove on each side extending parallel the middle surface along the longitudinal length of the plank.

    Abstract translation: 一种从原木处理的成品的建筑板,其边缘被切割成六边形,以沿着木材的纵向长度形成锥形的扁平表面,并切割成具有中间表面的顶部和底部,其中每个半部分用 沿着板的纵向长度平行于中间表面延伸的每侧的舌和槽。

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