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1. 发明专利

JPH05106386A CONNECTING/BURYING DEVICE FOR FITTING PIPE TO BURIED PIPE 失效
公开(公告)号：JPH05106386A
公开(公告)日：1993-04-27
申请号：JP26649991
申请日：1991-10-15
申请人： SEKISUI CHEMICAL CO LTD , ISEKI TORY TECH INC , SANWA KIZAI CO LTD
发明人： KITAYAMA YASUSHI , SAKAMOTO KAZUYA , HAMANO MAMORU
IPC分类号： E21B7/00 , F16L1/024 , F16L41/08
摘要： PURPOSE:To automatically connect and bury a fitting pipe to an existing buried pipe in one process. CONSTITUTION:A drive section 2 angle-adjustable toward a buried pipe 16 buried under the ground, a rotary rod 3 connected to the drive section 2, rotatively driven, and coupled with a fitting pipe 12 on the outer periphery, and an excavating head 4 fitted at the tip of the rotary rod 3 are provided. The excavating head 4 has a buried pipe boring cutter 18 boring a fitting pipe connecting hole 17 on the side face of the buried pipe 16 and a cutter reciprocating system 19 advancing the cutter 18 to the boring position. A fork- like buried pipe clamper 38 having the inner width corresponding to the outer diameter of the buried pipe 16 is provided as an accessory part.

2. 发明专利

JP2013217131A Apparatus and method for erecting low-strength pipe 有权
标题翻译：低强度管道的设备和方法
公开(公告)号：JP2013217131A
公开(公告)日：2013-10-24
申请号：JP2012089872
申请日：2012-04-11
申请人： Nippon Steel & Sumikin Metal Products Co Ltd , 日鐵住金建材株式会社 , Sanwa Kizai Co Ltd , 三和機材株式会社 , Data Tou:Kk , 株式会社データ・トゥ
发明人： KAWABATA NORIYUKI , HARADA TAKEO , HAMANO MAMORU , YAMAMOTO TOSHIHIKO , NISHIYAMA YOSHIKAZU , MORIYAMA HIROSHI
IPC分类号： E21B7/20 , E21B10/00 , E21B10/62 , E21B10/64
摘要： PROBLEM TO BE SOLVED: To provide a method and apparatus for erecting a low-strength pipe in which the low-strength pipe such as a polyvinyl chloride pipe or a thin steel pipe can be buried simultaneously with excavation without applying a rotational force or a compression force thereto, installation of a guide pipe (casing pipe) is not required and prompt and inexpensive construction can be performed.SOLUTION: A cap pipe 8 with which blades 10 for excavation are provided in the outer circumference of a distal end, is mounted to a distal end of a low-strength pipe 6 such as a polyvinyl chloride pipe to be erected, a rotational driving rod 12 is inserted into the low-strength pipe 6 such as the polyvinyl chloride pipe to be erected, and the distal end portion thereof is engaged to the distal end of the cap pipe 8 to be freely attachable and detachable and to restrict the cap pipe 8 so as to be turned together. The low-strength pipe 6 is then erected into the ground while performing excavation with the cap pipe 8 by driving the rotational driving rod 12.
摘要翻译：要解决的问题：提供一种用于搭建低强度管的方法和装置，其中低强度管如聚氯乙烯管或薄钢管可以同时挖掘而不施加旋转力或压缩因此，不需要安装导管（套管），可以及时且廉价地构造。另外，在远端的外周设置有用于挖掘的叶片10的盖管8，要竖立的聚氯乙烯管等低强度管6的前端，将要竖立的聚氯乙烯管等低强度管6插入旋转驱动杆12，其前端部与盖管8的前端接合，可以自由地安装和拆卸，并且限制盖管8以便一起转动。然后，通过驱动旋转驱动杆12，通过盖管8进行挖掘，将低强度管6竖立在地面中。

3. 发明专利

JP2012219574A Method and apparatus for burying concrete pile 审中-公开
标题翻译：用于混凝土桩的方法和装置
公开(公告)号：JP2012219574A
公开(公告)日：2012-11-12
申请号：JP2011089065
申请日：2011-04-13
申请人： Sanwa Kizai Co Ltd , 三和機材株式会社
发明人： HAMANO MAMORU , TANAKA TOSHIO
IPC分类号： E02D7/20
摘要： PROBLEM TO BE SOLVED: To facilitate an operation of burying a concrete pile in accordance with various soil conditions, and lower a construction cost.SOLUTION: This method for burying the concrete pile comprises: setting a press-fitting device T that can press and lower a concrete pile K by using a plurality of chuck members 18 of a chuck mechanism 17 that is provided so as to be freely elevated and lowered, at a top face of a ground S that is a portion in which the concrete pile K is placed; providing a support mechanism 31 for supporting a drilling device 30 suspended by a wire 33 of a crane to the press-fitting device T; and selectively conducting an operation of pressing the concrete pile K by using the chuck mechanism 17 and an operation of drilling by using the drilling device 30.
摘要翻译：要解决的问题：为了便于根据各种土壤条件埋设混凝土桩，降低施工成本。解决方案：用于埋设混凝土桩的方法包括：通过使用卡盘机构17的多个卡盘构件18来设置压配装置T，压配装置T能够压下混凝土桩K，在作为混凝土桩K所在的部分的地面S的顶面处自由地升高和降低; 提供支撑机构31，用于将由起重机的线33悬挂的钻孔装置30支撑到压入装置T; 并且通过使用卡盘机构17选择性地进行冲压混凝土桩K的操作和使用钻孔装置30进行钻孔的操作。（C）2013，JPO＆INPIT

4. 发明专利

JP2008303583A Structure of artificial ground 审中-公开
标题翻译：人造地面结构
公开(公告)号：JP2008303583A
公开(公告)日：2008-12-18
申请号：JP2007150567
申请日：2007-06-06
申请人： Fudo Tetra Corp , Nittoc Constr Co Ltd , Onoda Chemico Co Ltd , Penta Ocean Construction Co Ltd , Public Works Research Institute , Sanshin Corp , Sanwa Kizai Co Ltd , Shimizu Corp , Taisei Corp , Takenaka Doboku Co Ltd , Toa Harbor Works Co Ltd , Toyo Constr Co Ltd , 三信建設工業株式会社 , 三和機材株式会社 , 五洋建設株式会社 , 大成建設株式会社 , 小野田ケミコ株式会社 , 日特建設株式会社 , 東亜建設工業株式会社 , 東洋建設株式会社 , 株式会社不動テトラ , 株式会社竹中土木 , 清水建設株式会社 , 独立行政法人土木研究所
发明人： TSUTSUMI SHOICHI , KAWASAKI HIROTAKA , ISHII HIROYASU , NISHIO KYO , KURUMADA YOSHINORI , FUJITA TOSHIBUMI , HAMANO MAMORU , TSUKUNI SHOICHI , TAGUCHI HIROBUMI , FUJITA YUJI , INAGAWA KOICHI , IMAI YUUKI
IPC分类号： E02D17/18 , E02D3/12 , E02D17/20 , E02D27/44
摘要： PROBLEM TO BE SOLVED: To prevent horizontal displacement of a sideways flow or the like by stably supporting a structure in soft natural ground using simple artificial ground without a pile, and stabilizing the natural ground.
SOLUTION: A floor slab 2 for supporting the structure 1 and a soil improvement body 13 for supporting the floor slab are constructed on the soft natural ground 3, a core material 11 is integrally fixed on the upside of the soil improvement body, the upper part of the core material is projected in the floor slab and fixed, and the soil improvement body and the floor slab are connected to each other through the core material. The soil improvement body is constructed like a grid by arranging a number of soil improvement piles 10 vertically and horizontally in a plan view, the core material 11 is fixed to the upper part of the soil improvement pile located in the intersection of the grids, and the upper parts of the core materials are connected to each other by a tension member 14. Another soil improvement pile 15 is constructed also in a cell of the grid-like soil improvement body. The upper part of the soil improvement body is supported by a batter pile made of the soil improvement pile. The soil improvement body 13 is extended not only to the floor slab, but also to the lower side of an overlaid ground such as a banking 6 constructed in the periphery thereof.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：通过在没有桩的简单人造地面上稳定地支撑柔性自然地面中的结构，并且稳定自然地面，来防止侧向流动等的水平位移。解决方案：用于支撑结构1的地板2和用于支撑楼板的土壤改良体13在软土自然地面3上构成，芯材11一体地固定在土壤改良体的上侧，芯材的上部突出在地板上并固定，土体改良体和地板通过芯材相互连接。通过在平面图中垂直和水平地布置多个土壤改良桩10，将土壤改良体构成为网格，芯材11固定在位于网格的交叉点的土壤改良桩的上部，核心材料的上部通过张紧构件14彼此连接。另外的土壤改良桩15还被构造在格栅状土壤改良体的细胞中。土壤改良体的上部由土壤改良桩制成的面糊桩支撑。土壤改良体13不仅延伸到楼板，而且延伸到覆盖地面的下侧，例如在其周边构造的银行6。版权所有（C）2009，JPO＆INPIT

5. 发明专利

JP2008303582A Reinforcing structure of banking support ground 审中-公开
标题翻译：加强银行支持结构的结构
公开(公告)号：JP2008303582A
公开(公告)日：2008-12-18
申请号：JP2007150566
申请日：2007-06-06
申请人： Fudo Tetra Corp , Nittoc Constr Co Ltd , Onoda Chemico Co Ltd , Penta Ocean Construction Co Ltd , Public Works Research Institute , Sanshin Corp , Sanwa Kizai Co Ltd , Shimizu Corp , Taisei Corp , Takenaka Doboku Co Ltd , Toa Harbor Works Co Ltd , Toyo Constr Co Ltd , 三信建設工業株式会社 , 三和機材株式会社 , 五洋建設株式会社 , 大成建設株式会社 , 小野田ケミコ株式会社 , 日特建設株式会社 , 東亜建設工業株式会社 , 東洋建設株式会社 , 株式会社不動テトラ , 株式会社竹中土木 , 清水建設株式会社 , 独立行政法人土木研究所
发明人： TSUTSUMI SHOICHI , EGASHIRA MASAKUNI , HORIKOSHI KENICHI , SUEJIMA RENJURO , KURUMADA YOSHINORI , FUJITA TOSHIBUMI , HAMANO MAMORU , HIDESHIMA YASUSHI , TAGUCHI HIROBUMI , KUBO SHIGERU , INAGAWA KOICHI , SHINKAWA NAOTOSHI
IPC分类号： E02D17/18 , E02D3/12 , E02D17/04 , E02D27/44
摘要： PROBLEM TO BE SOLVED: To obtain a satisfactory sideways flow preventive effect by effectively reinforcing the banking support ground by improving soil having a low improvement rate.
SOLUTION: A soil improvement body 3 of a unit length supporting at least the peripheral edge part of a banking 1 is constructed in the banking support ground 2, the soil improvement body is laid along the longitudinal direction of the banking, and the middle part of the unit length is like a bent wall bent to the inside of the banking the batter pile, thereby increasing its out-of-plane rigidity. A plurality of bent wall-like soil improvement bodies are arranged in the longitudinal direction of the banking. The end parts of the adjacent soil improvement bodies are connected to each other through another soil improvement body (a soil improvement pile 5). The bent wall-like soil improvement bodies are respectively constructed on the opposite peripheral edge parts of the banking, and core materials are fixed to the upper parts of both soil improvement bodies, respectively. The upper parts of the both core materials are connected to each other by a tension member.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：通过改进具有低改进率的土壤来有效地增强银行支持地，以获得令人满意的侧向流动预防效果。解决方案：在银行支持地2中构建了至少支撑银行1的周边部分的单位长度的土壤改良体3，土壤改良体沿着银行的纵向放置，并且单位长度的中间部分就像一个弯曲的墙壁，弯曲到银浆的内侧，从而增加了其平面外刚度。沿着银行业的纵向布置了多个弯曲的壁状土壤改良体。相邻的土壤改良体的端部通过另一个土壤改良体（土壤改良桩5）相互连接。分别在银行的相对周边边缘部分构造弯曲的墙状土壤改良体，核心材料分别固定在两个土壤改良体的上部。两个芯材的上部通过张力构件相互连接。版权所有（C）2009，JPO＆INPIT

6. 发明专利

JP2005264504A Diaphragm wall excavator and diaphragm wall excavating method 审中-公开
标题翻译：透气墙开挖墙和透气墙开挖方法
公开(公告)号：JP2005264504A
公开(公告)日：2005-09-29
申请号：JP2004076354
申请日：2004-03-17
申请人： Santo Co Ltd , Sanwa Kizai Co Ltd , 三和機材株式会社 , 株式会社三東工業社
发明人： NISHIMURA KAZUKI , HAMANO MAMORU , SHIMANO TOMOAKI
IPC分类号： E02F5/06 , E02D5/18
摘要： PROBLEM TO BE SOLVED: To provide a diaphragm wall excavator and a diaphragm wall excavating method for constructing a diaphragm wall free from leakage from a construction joint part between a constructed diaphragm wall and a newly constructed diaphragm wall.
SOLUTION: A cutter 20 of this diaphragm wall excavator has a first portion for cutting the terminus of the previously constructed diaphragm wall W1 to the rear side in the constructed direction of the diaphragm wall to form a first cut surface, and a second portion 22 for forming a second cut surface positioned further on the rear side in the constructed direction of the diaphragm wall from the first cut surface when joining the terminus of the previously constructed diaphragm wall W1 to the starting edge of the newly constructed diaphragm wall W2. The joint face of the diaphragm wall W1 and diaphragm wall W2 is thereby formed in an uneven shape in the constructed direction of the diaphragm wall, and a stepped face is formed extending in the constructed direction of the diaphragm wall. Further, the area of the joint face is enlarged to increase the degree of adhesion, thereby causing no leakage through the joint face.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于构造隔膜壁的隔膜壁挖掘机和隔膜壁挖掘方法，该隔膜壁不构成隔膜壁和新构造的隔膜壁之间的结构接头部分的泄漏。解决方案：该隔膜式挖掘机的切割器20具有第一部分，用于在构造的隔膜壁的方向上向后侧切割先前构造的隔膜壁W1的末端，以形成第一切割表面，并且第二部分部分22，用于当将先前构造的隔膜壁W1的末端连接到新构造的隔膜壁W2的起始边缘时，形成第二切割面，该第二切割面在隔离壁的构造方向上从第一切割面进一步位于后侧。隔膜壁W1和隔膜壁W2的接合面在隔膜壁的构造方向上形成为不均匀的形状，并且沿隔膜壁的构造方向形成有台阶面。此外，接合面的面积被扩大以增加粘合度，从而不会通过接合面泄漏。版权所有（C）2005，JPO＆NCIPI

7. 发明专利

JP2005220602A Low head-type equipment for rotatively pressing in pile with blade, and method for positioning pile with blade under walking base by using it 审中-公开
标题翻译：用于用叶片旋转压缩的低头型设备，以及使用其在铺设基础上用叶片定位的方法
公开(公告)号：JP2005220602A
公开(公告)日：2005-08-18
申请号：JP2004029202
申请日：2004-02-05
申请人： Sanwa Kizai Co Ltd , 三和機材株式会社
发明人： HAMANO MAMORU , TORIKAI MITSUTOSHI
IPC分类号： E02D5/56 , E02D5/72 , E02D7/22
摘要： PROBLEM TO BE SOLVED: To provide low head-type equipment for rotatively pressing in a pile with a blade, which enables the pile with the blade to be pressed in under the walking base such as a platform.
SOLUTION: In this low head-type equipment for rotatively pressing in the pile with the blade, a plurality of cylinders for pressing in the pile are erected on a base frame whose wide opening enabling the passage of the blade of the pile with the blade is provided in an almost central part; an ascending/descending frame, whose wide opening enabling the passage of the blade is provided in an almost central part, is supported on the cylinders for pressing in the pile, in such a manner as to be freely driven for ascent/descent; a chuck device with an annular chuck plate freely attachable to/detachable from a body part of the pile with the blade is rotatably supported on the ascending/descending frame in the state of being fitted into the wide opening; a driving means for rotating the chuck device is provided; the chuck device can be freely attached to/detached from the ascending/descending frame; and the wide opening of the ascending/descending frame and that of the base frame face each other after the chuck device is removed from the ascending/descending frame.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供用于用刀片在桩中旋转压制的低头型设备，这使得具有刀片的桩能够被压在诸如平台的步行基座下方。
解决方案：在用于用刀片在桩中旋转压缩的这种低头型设备中，将多个用于在桩中挤压的缸体竖立在基架上，该基座框架的宽开口使得桩的刀片能够通过叶片设置在几乎中心部分; 一个上升/下降的框架，其宽度大的开口可以设置在几乎中央的部分，以可自由驱动的上升/下降的方式支撑在用于在桩中挤压的气缸上; 具有可自由地安装到具有叶片的绒头的主体部分/可拆卸的环形卡盘的卡盘装置在装配到宽开口中的状态下被可旋转地支撑在上升/下降框架上; 提供用于旋转卡盘装置的驱动装置; 卡盘装置可以自由地附接到/从上升/下降框架拆卸; 并且在卡盘装置从上升/下降框架移除之后，上升/下降框架和基座框架的宽开口面对彼此。版权所有（C）2005，JPO＆NCIPI

8. 发明专利

JP2005127109A Method for pressing-in casing in shaft construction without discharging soil and device for the same 审中-公开
标题翻译：用于在不排放土壤的轴承结构中进行压制的方法及其装置
公开(公告)号：JP2005127109A
公开(公告)日：2005-05-19
申请号：JP2003391392
申请日：2003-10-20
申请人： Sanwa Kizai Co Ltd , 三和機材株式会社
发明人： HAMANO MAMORU , TORIKAI MITSUTOSHI
IPC分类号： E21B7/20 , E21D1/03
摘要： PROBLEM TO BE SOLVED: To press fit a casing without conducting a ground-removing work to discharge soil while rotatably pressing in the casing.
SOLUTION: A plurality of cutting edges 2,2... are provided to the lower end face of the casing head 1 in a protruding condition. Viewing their inside and outside faces from the lower end face of the head, the cutting edges 2, 2... have the distal ends of the outside face extending on or toward a little more outward direction from the outer periphery of the head while the rear ends of the inside faces, which slant to the opposite direction to the rotational direction of the casing head 1, extending slightly toward inner direction from the inside margin of the lower end opening of the head. Furthermore, the cutting edges are formed in slant-pressing faces 3,3... which are almost perpendicular to the lower end face of the casing 1. Also, with the casing head having the lower end edges of the slant-pressing faces 3,3... formed on the cutting edges, the excavated soil is consolidated within the inner periphery of the casing A,A...
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：在旋转地按压在壳体中的同时，不需要进行去除去除工作来压配套管排出土壤。解决方案：在突出状态下，多个切削刃2,2 ...设置在套管头1的下端面上。从头部的下端面观察其内表面和外表面，切割刃2,2 ...的外表面的远端从头部的外周向外延伸或朝向稍微向外的方向延伸，而内侧面的后端朝着与壳体头1的旋转方向相反的方向倾斜，从头部的下端开口的内缘向内侧稍微延伸。此外，切削刃形成为大致垂直于壳体1的下端面的倾斜面3,3 ...。另外，在具有倾斜面3的下端缘的壳体头部，3 ...形成在切削刃上，挖掘的土壤被固定在套管A的内周边。A版权所有（C）2005，JPO＆NCIPI

9. 发明专利

JP2005076386A Rotation assisting device of rotary press-fitting machine for columnar member 审中-公开
标题翻译：旋转式旋转自动装配机的旋转辅助装置
公开(公告)号：JP2005076386A
公开(公告)日：2005-03-24
申请号：JP2003310905
申请日：2003-09-03
申请人： Sanwa Kizai Co Ltd , 三和機材株式会社
发明人： HAMANO MAMORU , TORIKAI MITSUTOSHI , YAMAZAKI KAZUO
IPC分类号： E02D7/00 , E02D7/16
摘要： PROBLEM TO BE SOLVED: To provide a rotation assisting device of a rotary press-fitting machine for a columnar member, which does not mar the stability of the rotary press-fitting machine and can smoothly switch to a rotation transmitting mode depending only on an existing motor when a load imposed on the machine is decreased to such a degree that the existing motor alone can rotate the columnar member, after assitance of rotation by the assisting device.
SOLUTION: The rotary press-fitting machine hangs the columnar member by connecting one end of the columnar member to an output shaft of a rotation driving section inclusive of the motor, which is vertically movably supported by a leader mast. Then the rotation assisting device of the rotary press-fitting machine for the columnar member, is supported at a lower portion of the leader mast, and comprised of a rotary body, an auxiliary rotary frame, an auxiliary motor, and a one-way clutch. The rotary body has a chuck device, and the rotary body and the auxiliary rotary frame are concentrically arranged so as to be rotatable individually. The auxiliary motor rotates the auxiliary rotary frame, and connects the auxiliary rotary frame to the rotary body so as to transmit rotation from the former to the latter at the time of one-way continuous rotation of the former. The one-way clutch mechanism cancels the connection when rotation of the rotary body transmitted from the rotation driving section via the chuck device becomes faster than the rotation of the same transmitted from the auxiliary rotary body.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种用于柱状构件的旋转压配机的旋转辅助装置，其不损害旋转压配机的稳定性，并且可以平滑地切换到仅依靠旋转传递模式在现有的电动机上，当施加在机器上的负载降低到使得现有电动机单独可以使柱形构件旋转时在辅助装置转动的程度之后。
解决方案：旋转压配机通过将柱状构件的一端连接到包括电动机的旋转驱动部分的输出轴而悬挂柱状构件，其由引导杆竖立地可移动地支撑。然后，用于柱状构件的旋转压配机的旋转辅助装置支撑在导杆的下部，由旋转体，辅助旋转框架，辅助电动机和单向离合器。旋转体具有卡盘装置，并且旋转体和辅助旋转框架同心地布置成可以单独旋转。辅助电动机旋转辅助旋转框架，并且将辅助旋转框架连接到旋转体，以便在前者的单向连续旋转时将旋转从前者传递到旋转体。当通过卡盘装置从旋转驱动部分传递的旋转体的旋转变得比从辅助旋转体传递的旋转体的旋转更快时，单向离合器机构抵消连接。版权所有（C）2005，JPO＆NCIPI

10. 发明专利

JP2005069039A Muddy water suction device 有权
标题翻译： MUDDY WATER SUCTION DEVICE
公开(公告)号：JP2005069039A
公开(公告)日：2005-03-17
申请号：JP2003296723
申请日：2003-08-20
申请人： Gecoss Corp , Sanwa Kizai Co Ltd , ジェコス株式会社 , 三和機材株式会社
发明人： TERAO TSUKASA , IMAI RYOJI , HAMANO MAMORU , HIRAKAWA ETSUO
IPC分类号： E02D5/18 , E02D5/20 , F04B53/20 , F04D3/02
摘要： PROBLEM TO BE SOLVED: To provide a muddy water suction device preventing adhesion of solid such as clay or piece of wood around a screen cage at a time of sucking muddy water generated in connection with civil engineering work and positively removing solid when the same adheres around the screen cage. SOLUTION: When a rotary blade 16 is rotated in a regular direction, muddy water W1 flows in the screen cage 20 through a first side surface 21 of the screen cage. Since quantity of muddy water W1 flowing into the screen cage 20 through the first side surface 21 is greater than quantity of muddy water W2 sucked by a pump, muddy water W3 flowing out of the screen cage 20 through a second side surface 22 of the screen cage 20 is generated. Consequently, solid such as mud, clay, stones, reinforcing steel, and a piece of wood contained in muddy water W1 does not adhere on an outer surface of the second side surface 22. Consequently, drop of suction work efficiency due to clogging of whole of the screen cage 20 does not occur. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种泥泞的水抽吸装置，用于在吸入与土木工程工作相关产生的泥浆水时防止粘土或木材附近的固体粘附在筛网上，并且当相同的粘附在屏幕笼上。解决方案：当旋转刀片16沿常规方向旋转时，泥水W1通过筛笼的第一侧表面21流过筛笼20。由于通过第一侧面21流入筛网保持架20的泥浆水W1的量大于由泵吸入的泥浆水W2的量，所以通过屏幕的第二侧面22从屏幕保护罩20流出的泥水W3 产生笼20。因此，泥浆，粘土，石头，钢筋等固体和泥水W1中所含的木材不粘附在第二侧面22的外表面上。因此，由于整体堵塞而引起的吸引作业效率下降不会发生屏幕保护罩20。版权所有（C）2005，JPO＆NCIPI

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