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    • 1. 发明专利
    • Drilling method
    • 钻井方法
    • JP2012041692A
    • 2012-03-01
    • JP2010182220
    • 2010-08-17
    • Chemical Grouting Co Ltdケミカルグラウト株式会社
    • KUMEGAWA MASANORI
    • E21D9/093E21B7/04
    • PROBLEM TO BE SOLVED: To provide a drilling method capable of preventing the collapse or crash of an excavated borehole after performing drilling using a free boring machine provided with a flexible rod, and capable of making apparatuses required in work thereafter surely reach a scheduled part.SOLUTION: A drilling fluid is jetted from drilling means (16) to drill soil, a closing member (3) is pressurized to shear and destroy fixing means (20), and the closing members (3, 3A) are extruded to an area (underground area 101) on the outer side of the rod (10). The apparatuses (7, 7B, 8) required in the work after drilling are inserted into a hollow part (13) on the inner side of the rod (10) and moved to the distal end of the rod (10).
    • 要解决的问题:提供一种能够防止在使用设有柔性杆的自由钻孔机进行钻孔之后挖掘的钻孔的塌陷或碰撞的钻孔方法,并且能够使得其后工作所需的设备确实达到 预定部分。 解决方案:钻井液从钻井装置(16)喷射以钻出土壤,关闭构件(3)被加压以剪切和破坏固定装置(20),并且关闭构件(3,3A)被挤压成 在杆(10)的外侧上的区域(地下区域101)。 在钻孔后的工作中所需的装置(7,7b,8)插入到杆(10)的内侧的中空部(13)中并移动到杆(10)的远端。 版权所有(C)2012,JPO&INPIT
    • 2. 发明专利
    • フィルター装置とそれを用いた地盤改良工法
    • 过滤装置和使用其的接地改进方法
    • JP2014227663A
    • 2014-12-08
    • JP2013105772
    • 2013-05-20
    • ケミカルグラウト株式会社Chemical Grouting Co Ltd
    • TSUCHIYA TSUTOMUKUMEGAWA MASANORIABE HIROYUKI
    • E02D3/12
    • 【課題】改良体を造成する装置類を小型化しても固化材供給配管系の閉塞を防止することが出来るフィルター装置とそれを用いた地盤改良工法の提供。【解決手段】固化材供給系統(L1、L2)に介装され、内部で固化材が流過する本体部(ケーシング10)と、本体部(10)の下流側に配置されて固化材中の異物(塊状になった固化材も含む)を除去する濾材(13)と、濾材表面(濾材13の半径方向内方表面)に付着した異物を掻き取る異物掻き取り部材(異物掻き取り翼14、異物掻き取り用のスクリューオーガー15)と、異物掻き取り部材により掻き取られた異物を貯留する異物貯留部(12c)を有している。【選択図】図3
    • 要解决的问题:为了提供一种能够防止固化材料供给管道系统的堵塞的过滤器装置及其地面改进方法,即使改进体内建立装置小型化,也可以防止堵塞。解决方案:过滤装置包括: 插入固化材料供给系统(L1和L2)中并使固化材料在内部流过的主体部分(壳体10),设置在主体部分(10)的下游侧并除去外部的过滤介质(13) 凝固材料(包括变质的凝固材料)中的物质,用于刮除异物的异物刮除构件(异物刮除刮板14和异物刮除螺旋钻15) 过滤介质表面(过滤介质13的径向的内表面)和异物存储部分(12c),用于存储由前体刮除的异物 gn事情刮伤成员。
    • 3. 发明专利
    • Hole core measuring apparatus
    • 孔芯测量装置
    • JP2013178195A
    • 2013-09-09
    • JP2012042959
    • 2012-02-29
    • Chemical Grouting Co Ltdケミカルグラウト株式会社
    • KUMEGAWA MASANORI
    • G01C15/00E21B47/02G01C7/06
    • PROBLEM TO BE SOLVED: To provide a hole core measuring apparatus and its method capable of surely matching between a center of a drilling hole and a center of a measuring apparatus in hole core measurement, and even when a step part is formed on the drilling hole, capable of holding a state that the center of the drilling hole is made surely coincide with the center of the measuring apparatus.SOLUTION: Pantograph-shaped ring mechanisms (2) are arranged on both ends in a center axis direction of a measuring apparatus (1), and in each ring mechanism (2), linkages (20) having the same specification are arranged on a plurality of positions with an equal interval in a circumferential direction of the measuring apparatus (1), and in each of the linkages (20) having the same specification, two links (21, 22) are flexibly connected by a hinge pin (24).
    • 要解决的问题:提供一种孔芯测量装置及其方法,其能够在孔芯测量中可靠地匹配钻孔的中心和测量装置的中心,并且即使在钻孔上形成台阶部 能够保持钻孔的中心与测量装置的中心一致的状态。解决方案:在测量装置的中心轴方向上的两端设置受电弓形环机构(2) 在每个环机构(2)中,具有相同规格的连杆(20)在测量装置(1)的圆周方向上以相等的间隔布置在多个位置上,并且在每个连杆 20)具有相同的规格,两个连杆(21,22)通过铰链销(24)柔性地连接。
    • 4. 发明专利
    • Chemical injector
    • 化学注射器
    • JP2013092004A
    • 2013-05-16
    • JP2011235640
    • 2011-10-27
    • Chemical Grouting Co Ltdケミカルグラウト株式会社
    • KUMEGAWA MASANORI
    • E02D3/12
    • PROBLEM TO BE SOLVED: To provide a chemical injector which prevents an injected chemical liquid from flowing backward to the ground side via the periphery of a packer to surely make the chemical liquid infiltrate into gaps in the ground to be improved.SOLUTION: A chemical injector includes a perforated pipe (1) formed with a plurality of (for example, three) through holes, and cylindrical members (5, 6) provided with a plurality of (for example, two or three) packers (50). The perforated pipe (1) is formed with a passage (12) through which a fluid for expanding or contracting the packers (50) flows, a passage (11) through which a chemical liquid injected from an injection pipe flows, and a passage (13) through which a flash setting material flows. Check valve (60) located between the plurality of packers (50) and having a function of injecting the flash setting material is disposed on the outer peripheral surface (62) of the cylindrical member (6).
    • 要解决的问题:提供一种化学喷射器,其防止喷射的化学液体经由封隔器的周边向后流动到地侧,以确保使化学液体渗透到地面中的间隙中以提高。 解决方案:化学注射器包括形成有多个(例如三个)通孔的多孔管(1)和设置有多个(例如两个或三个)通孔的圆柱形构件(5,6) 包装机(50)。 穿孔管(1)形成有用于使封隔器(50)膨胀或收缩的流体流过的通道(12),从注射管喷射的化学液体流过的通道(11)和通道 闪光固化材料通过其流动。 位于多个封隔器(50)之间并且具有喷射闪光固化材料的功能的止回阀(60)设置在圆柱形构件(6)的外周表面(62)上。 版权所有(C)2013,JPO&INPIT
    • 5. 发明专利
    • 薬液注入工法
    • JP2017089162A
    • 2017-05-25
    • JP2015218067
    • 2015-11-06
    • ケミカルグラウト株式会社Chemical Grouting Co Ltd
    • KUMEGAWA MASANORI
    • E02D3/12
    • 【課題】注入を行う領域毎の状態を把握して、薬液の注入圧や注入量を制御することが出来る薬液注入工法の提供。【解決手段】可撓性のある掘削装置で所定の経路(軌跡)のボーリング孔(1)を掘削し、当該ボーリング孔(1)内に注入装置(2)を挿入して、所定区域毎に薬液を注入する薬液注入工法において、ボーリング孔(1)の経路を決定して地上側で画像として表示する工程と、注入装置(2)の位置を決定して地上側で画像として表示する工程と、薬液を注入する領域における薬液注入圧及び/又は薬液注入量を決定する決定工程と、薬液が注入された領域を地上側で画像として表示する薬液注入領域表示工程を有し、前記決定する工程では、薬液注入領域表示工程で表示されている先行して薬液が注入された領域の画像と、施工現場の土壌の性状に基づいて薬液注入圧及び/又は薬液注入量を決定する。【選択図】図1
    • 6. 发明专利
    • Survey device and survey method
    • 调查设备和调查方法
    • JP2013023888A
    • 2013-02-04
    • JP2011159157
    • 2011-07-20
    • Kajima Corp鹿島建設株式会社Chemical Grouting Co Ltdケミカルグラウト株式会社Nippon Chika Tansa:Kk株式会社日本地下探査
    • SHIRASAGI TAKUTATESHITA KAZUYUKIKUMEGAWA MASANORINORO YOSHITAKAWATANABE YOSUKEIMAZATO TAKEHIKO
    • E02D3/12G01N27/04
    • PROBLEM TO BE SOLVED: To suitably evaluate ground improvement in a free boring type ground improvement construction method.SOLUTION: The ground improvement is evaluated by: boring a ground G by a universal boring machine 1 with a drilling rod 2; inserting an injection outer tube 3 fitted with a spacer 6 forming a gap between a plurality of electrodes 8 to which an electric wire 7 connected onto the ground and the drilling rod 2 into the drilling rod; extracting the drilling rod 2 from a boring hole B while leaving the injection outer tube 3 in the boring hole B; supplying electric power to the electrodes 8 through the electric wire 7 and measuring specific resistance of the ground G before an improving material is injected; inserting the injection inner tube 10 into the injection outer tube 3, discharging the improving material from the injection inner tube 10, and thus injecting the improving material into the ground G; supplying electric power to the electrodes 8 through the electric wire 7 and measuring specific resistance of the ground G after the improving material is injected; and calculating the difference between the real specific resistance of the ground G before the improving material is injected and the real specific resistance of the ground G after the improving material is injected.
    • 要解决的问题:适当地评价自由镗孔式地面改进施工方法中的地面改良。 解决方案:通过以下方式评估地面改善:用具有钻杆2的通用钻孔机1镗孔地面G; 插入安装有间隔件6的注射外管3,间隔件6在连接到地面上的电线7和钻杆2之间的多个电极8之间形成间隙; 从钻孔B中取出钻杆2,同时将注射外管3留在钻孔B中; 通过电线7向电极8提供电力,并且在注入改进材料之前测量地面G的比电阻; 将注射内管10插入注射外管3中,从注射内管10排出改进材料,从而将改进材料注入地面G; 通过电线7向电极8提供电力,并且在注入改进材料之后测量地面G的电阻率; 并且计算注入改进材料之前的地面G的实际电阻与注入改进材料后的地面G的实际电阻率之差。 版权所有(C)2013,JPO&INPIT
    • 7. 发明专利
    • Pipe with cylindrical elastic member and injection method using the same
    • 具有圆柱形弹性构件的管和使用其的注射方法
    • JP2011021386A
    • 2011-02-03
    • JP2009167446
    • 2009-07-16
    • Chemical Grouting Co Ltdケミカルグラウト株式会社
    • KUMEGAWA MASANORI
    • E02D3/12
    • PROBLEM TO BE SOLVED: To provide a pipe with a cylindrical elastic member and an injection method using the pipe which can perform filling of a sealing grout and injection of a grouting material at the same time after expansion of a packer without using machinery having a complicated structure, and can uniformly inject the grouting material to the entire predetermined area.
      SOLUTION: A second cylindrical elastic member (31) is formed with a plurality of openings (311). A pressure loss from supply of the grouting material into a pipe (21) to the outflow of the grouting material from the opening (311) of the second cylindrical elastic member (31) is made larger than a pressure loss from supply of the grouting material into a pipe (21) to expansion of a first cylindrical elastic member (32).
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提供具有圆柱形弹性构件的管道和使用管子的喷射方法,该管道可以在不使用机械的情况下在封隔器膨胀之后同时进行密封灌浆的填充和注入灌浆材料 具有复杂的结构,能够将注浆材料均匀地注入整个预定区域。 解决方案:第二圆柱形弹性构件(31)形成有多个开口(311)。 从第二圆柱形弹性构件(31)的开口(311)将灌浆材料供应到管道(21)到灌浆材料的流出的压力损失大于由灌浆材料的供应造成的压力损失 进入到第一圆柱形弹性构件(32)的膨胀管(21)中。 版权所有(C)2011,JPO&INPIT
    • 10. 发明专利
    • Boring method
    • 镗孔方法
    • JP2007023704A
    • 2007-02-01
    • JP2005210819
    • 2005-07-21
    • Chem Grouting Co Ltdケミカルグラウト株式会社
    • KUMEGAWA MASANORIYOKOO MITSURU
    • E21B7/04E21D9/06
    • PROBLEM TO BE SOLVED: To provide a boring method capable of preventing collapse or falling of earth of an excavated bored hole, and capable of preventing a hindrance to insertion of apparatuses required for work when foreign matter (sediment, muddy water and the others) flows in the excavated boring hole, after drilling a hole by using a universal boring machine having a flexible rod.
      SOLUTION: Hollow parts 12 and 13 inside the flexible hollow rod 1 constitute a flow passage of a hole drilling fluid, and a closing member 3 of closing the rod tip 11 is detachably constituted. The ground is drilled by injecting the hole drilling fluid from a hole drilling means 15. The closing member 3 is removed from the hollow rod tip 11, and is recovered via the hollow part 13 inside of the rod 1. The apparatuses 5, 7, 9 and 10 required for the work after drilling the hole are inserted into the hollow part 13 inside the rod, and are moved up to the hollow rod tip 11.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种能够防止挖掘的钻孔的塌陷或塌陷的镗孔方法,并且能够防止在异物(沉淀物,泥水和 其他)通过使用具有柔性杆的通用钻孔机钻孔后在挖掘的钻孔中流动。 解决方案:柔性空心杆1内部的空心部件12和13构成钻孔液的流路,并且可拆卸地构成关闭杆头11的封闭构件3。 通过从钻孔装置15喷射钻孔液来钻出地面。封闭构件3从中空杆尖端11移除,并通过杆1内部的中空部分13回收。装置5,7, 钻孔后所需的工件9和10插入到杆内部的中空部分13中,并向上移动到中空杆头11.版权所有(C)2007,JPO&INPIT