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    • 1. 发明授权
    • Public works machine usable more particularly for laying vertical drains
    • 公共工作机器特别适用于垂直排水
    • US5145279A
    • 1992-09-08
    • US566444
    • 1990-08-24
    • Gerard LarcheronYves Legendre
    • Gerard LarcheronYves Legendre
    • E02B11/02E02D3/10E02D13/04
    • E02D13/04E02D3/103
    • A public works machine is disclosed usable particularly for laying vertical artificial drains, of the type comprising a carrier frame, a tool carrying mobile assembly and means fast with the frame for vertically guiding the mobile assembly, characterized in that said mobile assembly (28) comprises a plurality of penetrating tools (34, 134, 234, 334) in particular for simultaneously laying several drains, and in that said guide means comprise a plurality of guide paths with vertical extension (38, 138, 238, 338). Advantageously, the guide paths are formed by suitably stretched cables.
    • PCT No.PCT / FR89 / 00658 Sec。 371日期1990年08月24日 102(e)日期1990年8月24日PCT 1989年12月18日PCT PCT。 出版物WO90 / 07611 1990年7月12日公开的公开工程机器被公开可用,特别用于铺设垂直人造排水沟,其类型包括承载框架,携带移动组件的工具,以及用于垂直引导移动组件的框架快速装置,其特征在于 所述移动组件(28)包括多个穿透工具(34,134,234,334),特别是用于同时铺设多个排水沟,并且所述导向装置包括多个具有垂直延伸部(38,138,238) ,338)。 有利地,引导路径由适当拉伸的电缆形成。
    • 7. 发明授权
    • Hydro-drill with circular impression
    • 水钻具有圆形印象
    • US4682660A
    • 1987-07-28
    • US808311
    • 1985-12-12
    • Herve BarthelemyYves Legendre
    • Herve BarthelemyYves Legendre
    • E21B10/00E21B4/00E21B4/16E21B10/26
    • E21B4/16E21B4/006
    • The invention relates to a device for the production of circular boreholes in soil, of the type incorporating a pair of bits driven in rotation in opposite directions, the said bits being equipped with teeth or similar members for breaking up the soil.It comprises a first pair of bits (6) which are equipped with teeth, rotating in opposite directions around two parallel axes, each of these bits having the external shape of a volume of revolution the generatrix of which consists of a circular arc corresponding to the circular cross-section of the borehole which it is intended to dig, and a second pair of bits (7) situated above the first, and the bits (14a,14b) of which have the same structural characteristics as the bits of the first pair but whose axes of rotation are offset relative to the latter.
    • 本发明涉及一种用于在土壤中生产圆形钻孔的装置,其类型包括沿相反方向旋转驱动的一对钻头,所述钻头配备有用于分解土壤的齿或类似构件。 它包括配备有齿的第一对位(6),它们以相对于两个平行轴线的相反方向旋转,这些位中的每一个都具有一个旋转体积的外部形状,其母线由对应于 其打算挖掘的钻孔的圆形横截面和位于第一钻头上方的第二对位(7),并且钻头(14a,14b)具有与第一对的钻头相同的结构特征 但是其旋转轴相对于后者偏移。