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    • 1. 发明专利
    • Connection device of propelling pipe
    • 螺旋管连接装置
    • JP2007100469A
    • 2007-04-19
    • JP2005295009
    • 2005-10-07
    • Akira Hirao明 平尾
    • HIRAO AKIRA
    • E21D9/06
    • PROBLEM TO BE SOLVED: To provide a connection device of a propelling pipe used in a double casing type pipe line construction method which reduces a whole length of the propelling pipe by shortening a protruded length from the propelling pipe of a fitting cylinder in the connection device of the propelling pipe.
      SOLUTION: A plurality of fitting pieces 20 are provided along a peripheral direction at an outer peripheral surface at one end of the propelling pipe 13. L shaped fitting notches 22 are provided only with the same number as that of the fitting pieces 20 at a fitting cylinder 21 fixed to an outer periphery of the other end of the propelling pipe 13. The propelling pipes 13 are connected with each other by fitting the fitting pieces 20 to the L shaped fitting notches 22 and a state for stopping rotation of the fitting pieces 20 is held by a stopper member 27 during connection in the connection device of the propelling pipe 13. The fitting piece 20 is formed into a L shape corresponding to the L shaped fitting notch 22 to be fitted to the L shaped fitting notch 22 and detached therefrom. Contact margins in a rotational direction of the fitting piece 20 are two places of a side edge of a guide part 22a in an axial direction and an inner end of a bent part 22b in a peripheral direction in the L shaped fitting notch 22.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种双壳式管线施工方法中使用的推进管的连接装置,其通过缩短从装配筒的推进管的突出长度来缩短推进管的整个长度 推进管道的连接装置。 解决方案:在推进管13的一端的外周面,沿周向设置有多个嵌合件20.L形状的配合槽22仅设置与配件20的数量相同的数量 在固定在推进管13的另一端的外周的安装筒21上。推进管13通过将装配件20装配到L形装配槽口22中而彼此连接,并且停止旋转的状态 在推进管13的连接装置的连接期间,装配件20由止动构件27保持。配件20形成为与L形配件凹口22对应的L形,以装配到L形配件凹口22 并从中分离。 在嵌合件20的旋转方向上的接触边缘是引导部22a的轴向的侧边缘的两个位置和在L形嵌合凹口22中沿圆周方向的弯曲部22b的内端。

      版权所有(C)2007,JPO&INPIT

    • 3. 发明申请
    • METHOD OF REUSABLY SEPARATING TWO ADHERED PLATES AND APPARATUS USED FOR THE METHOD
    • 重新分离两个粘合板的方法和用于该方法的装置
    • US20130025777A1
    • 2013-01-31
    • US13560575
    • 2012-07-27
    • Masato FUJITAAkira HIRAO
    • Masato FUJITAAkira HIRAO
    • B32B38/10C08L75/16B32B37/12
    • C09J5/00B32B43/006B32B2457/20C09J2203/318C09J2205/302C09J2483/00Y10T156/1702
    • Provided is a method of reusably separating two adhered plates, including step 1 for firmly adhering two plates adhered to each other via a pressure-sensitive adhesive sheet or a curable resin layer to a first jig and a second jig, respectively, step 2 for detaching the two plates by moving at least one of the first jig and the second jig to produce a shear stress causing breakage of the pressure-sensitive adhesive sheet or the curable resin layer, and step 3 for removing the two plates after detachment from the jigs, wherein, in the aforementioned step 1, one or both of the plates is(are) firmly adhered to the jig(s) via a silicone pressure-sensitive adhesive sheet or porous pressure-sensitive is adhesive sheet. Using the method, two plates adhered to each other via a pressure-sensitive adhesive sheet or a curable resin layer can be stably and reusably detached by certainly fixing them by using jig fixtures.
    • 提供了一种可重复分离两个粘合板的方法,包括步骤1,用于通过压敏粘合片或固化树脂层将彼此粘附的两个板牢固地粘合到第一夹具和第二夹具上,步骤2用于分离 所述两个板通过移动所述第一夹具和所述第二夹具中的至少一个而产生导致所述压敏粘合片或所述可固化树脂层破裂的剪切应力;以及步骤3,用于在从所述夹具脱离之后去除所述两个板, 其中,在上述步骤1中,通过硅氧烷压敏粘合片或多孔压敏粘合片将一个或两个板牢固地粘合到夹具上。 使用该方法,可以通过使用夹具固定装置固定它们,通过压敏粘合片或可固化树脂层彼此粘合的两块板可以稳定地且可重复地分离。
    • 9. 发明申请
    • HEAT-EXPANDABLE REMOVABLE ACRYLIC PRESSURE-SENSITIVE ADHESIVE TAPE OR SHEET
    • 耐热可剥离丙烯酸压敏胶带或薄片
    • US20100215947A1
    • 2010-08-26
    • US12734236
    • 2008-10-14
    • Eiji YamanakaKunio NagasakiAkira HiraoTooru Nakashima
    • Eiji YamanakaKunio NagasakiAkira HiraoTooru Nakashima
    • C09J7/02C09J133/08B32B5/16B32B5/00
    • C09J4/00C09J7/26C09J7/385C09J133/08C09J2205/11C09J2433/00Y10T428/25Y10T428/269Y10T428/2809Y10T428/2891
    • Disclosed is a heat-expandable/peelable acrylic pressure-sensitive adhesive tape or sheet which maintains a high adhesion force but the bonded part can be easily separated/debonded regardless of whether the surface of the adherend is uneven. The heat-expandable/peelable acrylic pressure-sensitive adhesive tape or sheet includes a viscoelastic body containing both bubbles and microparticles, and on at least one side thereof, a pressure-sensitive adhesive layer containing a blowing agent. The heat-expandable/peelable acrylic pressure-sensitive adhesive tape or sheet preferably contains bubbles in an amount of 3 to 30 percent by volume based on the total volume of the viscoelastic body. The viscoelastic body containing both bubbles and microparticles is preferably a layer prepared by polymerization of a polymerizable composition containing a vinyl monomer mixture containing at least one alkyl(meth)acrylate whose alkyl moiety having 2 to 18 carbon atoms as a main component, or partially polymerized prepolymer of the monomer mixture; a photoinitiator; microparticles; a multifunctional (meth)acrylate; and bubbles.
    • 公开了一种保持高粘合力的热可膨胀/可剥离的丙烯酸类压敏粘合带或片材,但是不管被粘物的表面是不均匀的,接合部分可以容易地分离/脱粘。 热膨胀性剥离性丙烯酸类粘合带或片材包括含有气泡和微粒的粘弹性体,至少在其一面上含有发泡剂的粘合剂层。 热膨胀性剥离性丙烯酸类粘合带或片材优选含有相对于粘弹性体的总体积为3〜30体积%的气泡。 含有气泡和微粒的粘弹性体优选是通过聚合包含含有至少一种具有2至18个碳原子的烷基部分(甲基)丙烯酸烷基酯作为主要成分的乙烯基单体混合物的聚合性组合物而制备的层,或部分聚合的 单体混合物的预聚物; 光引发剂; 微粒; 多官能(甲基)丙烯酸酯; 和气泡。