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32. 发明专利

JP2019183886A 止水装置审中-公开
公开(公告)号：JP2019183886A
公开(公告)日：2019-10-24
申请号：JP2018072170
申请日：2018-04-04
申请人：六菱ゴム株式会社
发明人：関谷誠之 , 原正樹 , 上田奏一朗
IPC分类号： F16J15/46 , F16L55/128
摘要：【課題】管体(第1、第2配管21,22)内に挿入されて当該管体の途中を閉塞するために用いられる止水装置において、耐圧性に優れかつ非膨張時に前記管体へ挿入しやすくしたうえでバルーン3をスムースに膨張可能とする。【解決手段】弾性伸縮可能な筒状のバルーン3に芯棒2を挿入し、バルーン3の一端部分3aを第1固定具4で芯棒2に固定し、芯棒2の外周面にスライドスリーブ6を摺動変位可能に嵌合し、このスライドスリーブ6にバルーン3の他端部分3bを第2固定具5で固定している。第1、第2固定具4,5の外径は、止水対象となる前記管体に対する止水装置1の出し入れ口の内径よりも小さく設定されている。バルーン3の中心軸線方向の中間部分3cの非膨張時における外径は、第1、第2固定具4,5の外径と同等以下に設定されている。バルーン3の内部には、その中心軸線方向に沿って延在するとともに円周方向の数ヶ所に多数の補強線材8が埋設されている。【選択図】図6

35. 发明专利

JPH09511045A 失效
公开(公告)号：JPH09511045A
公开(公告)日：1997-11-04
申请号：JP51639695
申请日：1994-12-21
申请人： VINIDEX TUBEMAKERS PTY LTD , UPONOR BV
发明人： CHAPMAN PETER GLANVILLE , WALLACE ALLAN KENNETH , COWLING LESLIE HERBERT
IPC分类号： B22F3/11 , B22F7/00 , F16K7/10 , F16L55/12 , F16L55/128 , F28F13/00 , F28F13/18 , F28F21/08

38. 发明专利

JPH02198729A DEVICE FOR STABILIZING HEAT EXCHANGER TUBE 失效
公开(公告)号：JPH02198729A
公开(公告)日：1990-08-07
申请号：JP12903989
申请日：1989-05-24
申请人： ABB REAKTOR GMBH
发明人： BORUFUGANKU KARUTOHOFU , YAAKOPU RUSU
IPC分类号： B23P21/00 , B23P6/00 , F16L55/12 , F16L55/128 , F28F11/02
摘要： PURPOSE: To seal a flow passage and stabilize a weakened part without causing vibration by expanding an inner wall of a tube of a heat exchanger unstable due to the damage of a wall part by an expansion sleeve. CONSTITUTION: When a stabilizer 7 is pressed in until it comes into contact with a machining face of tube sheet 2, a breakage point 23 is carried so that it is positioned between expansion sleeves 14 and 14a and is stabilized. The stabilizer 7 is inserted into one of two tubes until it reaches a flange. An upper expansion sleeve 14 is positioned just above the breakage point 23, and a second expansion sleeve 14a is considerably apart from the breakage point 23. A joint 9 having a sliding sleeve 10 is below the expansion sleeve 14a. When a rod 8 is rotated by a rotary tool 31, tongs 16, 16a are pressed against an inner wall of the tube through a cam. A lower end part of the rod 8 is roll-tightened to seal the tube 5 after clamping the expansion sleeve.

39. 发明专利

JPS58152990A SEALING DEVICE FOR UNDERWATER PIPELINE 失效
公开(公告)号：JPS58152990A
公开(公告)日：1983-09-10
申请号：JP2223283
申请日：1983-02-15
申请人： MACDERMID INC
发明人： DEREKU TEII FUAAN , GEARI EDOWAADO HARISON
IPC分类号： F16L1/14 , F16L1/12 , F16L1/20 , F16L55/128
摘要： Apparatus for preventing flow of water from a first underwater pipeline portion forward of the apparatus to a second underwater pipeline portion rearward of the apparatus. At least one wedge-shaped member is mounted on a carriage of the apparatus for grippingly engaging the internal wall of a pipeline for preventing movement of the apparatus in a rearwardly direction upon application of force to the carriage urging the carriage in a rearwardly direction in the pipeline. In order to provide frictional contact with the pipeline wall so that gripping engagement thereof may be effected, the member is continually urged into sliding engagement with the pipeline wall during movement of the apparatus through the pipeline in a forwardly direction. The apparatus is further provided with an annular elastomeric member responsive to water pressure from forwardly of the apparatus for sealingly engaging the pipeline wall to prevent flow of water from the first underwater pipeline portion to the second underwater pipeline portion.

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