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    Excavation method by blasting
    1.
    发明授权
    Excavation method by blasting 失效
    挖掘方式爆破

    公开(公告)号：US06220167B1

    公开(公告)日：2001-04-24

    申请号：US09284502

    申请日：1999-04-14

    申请人： Masaaki Yamamoto ,  Hidehiro Noda ,  Koichi Sassa

    发明人： Masaaki Yamamoto ,  Hidehiro Noda ,  Koichi Sassa

    IPC分类号： F42B300

    CPC分类号： F42D1/00

    摘要： The present invention relates to a blasting method which comprises conducting a delay blast at a particular location; predicting time series data of a waveform of ground vibration or noise at a remote location to be generated by a hypothetical single-hole blast at the particular location using at least one of previous time series data of a waveform of ground vibration or noise generated by said delay blast and actually monitored at the remote location, and the corresponding previous actually applied initiation time series of said delay blast; computing a delay blasting initiation time series for a delay blasting, which provides a waveform of ground vibration or noise satisfying specific conditions, based on the above-predicted time series data of a single-hole blast; and carrying out a subsequent delay blast according to the computed delay blasting initiation time series.

    摘要翻译： 爆破方法本发明涉及一种爆破方法，包括在特定位置进行延迟爆炸; 使用由所述地面振动或噪声所产生的噪声的波形的先前时间序列数据中的至少一个来预测在特定位置处由假想单孔爆炸产生的远程位置处的地面振动或噪声波形的时间序列数据 延迟爆炸，并在远程位置实际监控，以及相应的以前实际应用的所述延迟爆炸的启动时间序列; 根据上述预测的单孔爆破时间序列数据计算延迟爆破的延迟爆破启动时间序列，其提供满足特定条件的地面振动或噪声的波形; 并根据计算出的延迟爆破开始时间序列进行随后的延迟爆炸。

    Method for water leakage prevention in pipeline
    2.
    发明授权
    Method for water leakage prevention in pipeline 失效
    管道防漏水方法

    公开(公告)号：US5297582A

    公开(公告)日：1994-03-29

    申请号：US33983

    申请日：1993-03-19

    申请人： Hisashi Kitajima ,  Hidehiro Noda

    发明人： Hisashi Kitajima ,  Hidehiro Noda

    IPC分类号： F16L55/12 ,  F16L55/10 ,  F16L55/16 ,  F16L55/179 ,  F16L55/26 ,  H02G1/08 ,  F16L55/165 ,  F16L55/18

    CPC分类号： H02G1/088 ,  F16L55/10 ,  F16L55/179 ,  F16L55/265

    摘要： A method for water leakage prevention in a portion connecting a first pipeline to a second pipeline having one end thereof in communication with a portion of the first pipeline is provided. This method includes the steps of passing elastically deformable drawing means from the other end of the second pipeline to one end of the first pipeline; engaging an impermeable cut-off member, having an expandable hose portion and a flange portion provided integrally with one end of the hose portion, with the drawing means at one end of the first pipeline at the hose portion; drawing the cut-off member into the first and second pipelines by drawing back the hose portion of the drawing means toward the other end of the second pipeline; and disposing the cut-off member in the first and second pipelines, so that the flange portion is positioned within the first pipeline and the hose portion extends within the second pipeline.

    摘要翻译： 提供了将第一管道连接到第一管道的一端与第一管道的一部分连通的部分中的防漏水方法。 该方法包括以下步骤：将可弹性变形的拉拔装置从第二管道的另一端传递到第一管道的一端; 接合不透水的切断构件，其具有可扩展的软管部分和与软管部分的一端一体设置的凸缘部分，在第一管道的一端在软管部分处具有拉伸装置; 通过将拉拔装置的软管部分向第二管道的另一端拉回，将切断部件拉入第一和第二管道; 以及将所述切断构件设置在所述第一管道和所述第二管道中，使得所述凸缘部分位于所述第一管道内，并且所述软管部分在所述第二管道内延伸。