JP2007002644A - Inner conduit type pressurizing operation opening/closing heavy pressure-proof cover device - Google Patents
Inner conduit type pressurizing operation opening/closing heavy pressure-proof cover device Download PDFInfo
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- JP2007002644A JP2007002644A JP2005213434A JP2005213434A JP2007002644A JP 2007002644 A JP2007002644 A JP 2007002644A JP 2005213434 A JP2005213434 A JP 2005213434A JP 2005213434 A JP2005213434 A JP 2005213434A JP 2007002644 A JP2007002644 A JP 2007002644A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 102
- 239000010865 sewage Substances 0.000 claims abstract description 65
- 239000002184 metal Substances 0.000 claims description 14
- 239000011347 resin Substances 0.000 claims description 13
- 229920005989 resin Polymers 0.000 claims description 13
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 11
- 238000010276 construction Methods 0.000 description 8
- 238000004581 coalescence Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
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- Pipe Accessories (AREA)
Abstract
Description
本発明は、上水又は下水で断水不可能な、鋼管・ヒューム管・陶管・塩化ビニール管・ボックスカルバート・現場施工流路等の管路で、水流を止めることなく修復又は取替え可能な上水又は下水用管路開閉装置に関する。 The present invention is a pipe such as a steel pipe, a fume pipe, a ceramic pipe, a vinyl chloride pipe, a box culvert, a construction flow path, etc. that cannot be cut off by water or sewage, and can be repaired or replaced without stopping the water flow. The present invention relates to a pipe opening / closing device for water or sewage.
地震や災害或いは事故等で管路が損傷した場合、また都市の再開発等で管路変更する必要等、さらに管路が古くなり取替える場合等、上水又は下水管の水流を止めずに工事が出来る特許文献１記載の管路開閉装置と上水又は下水用管路復旧工法がある、この上水又は下水用管路復旧工法に使用される上水又は下水用管路開閉装置は金属性又は樹脂製筒の外側面と管路内壁間を開閉自在とする外袋を上水又は下水用管路開閉装置の外側面に形成し、流体を入れることにより膨らみ、流体を出すことにより萎んで、上水又は下水用管路開閉装置を管路内壁に取り付け、取り外しを行う。上水又は下水用管路開閉装置の内部には流体を入れることにより膨らみ、流体を出すことにより萎んで、筒内の開閉自在とする内袋を装着した上水又は下水用管路開閉装置である。
しかしながら、上水又は下水用管路開閉装置の内側面に装着した内袋は流体を入れることにより膨らみ、流体を出すことにより萎んで、上水又は下水用管路開閉装置の筒内部を開閉しているため、管路の断面が大きくなれば上水又は下水用管路開閉装置も大きくなり、上水又は下水用管路開閉装置の筒内部も断面積が大きくなり、上水又は下水用管路開閉装置の内側面に装着した内袋に入れる流体の量も増え、流体の量が増えた分開閉に長い時間がかかる問題がある。 However, the inner bag attached to the inner surface of the water supply or sewage pipe opening / closing device swells when a fluid is put in, and is deflated by taking out the fluid to open / close the inside of the pipe of the water supply / sewage pipe opening / closing device. Therefore, if the cross section of the pipe becomes larger, the pipe opening and closing device for water or sewage will also become larger, and the cross-sectional area of the inside of the pipe of the pipe opening and closing device for water or sewage will also increase, so that the pipe for drinking water or sewage The amount of fluid put in the inner bag attached to the inner side surface of the road opening / closing device also increases, and there is a problem that it takes a long time to open and close as the amount of fluid increases.
以上の問題を解決するために、第１番目の発明は上水又は下水用管路開閉装置の筒内側に上水又は下水用管路開閉装置の外形寸法より両端が長く、また管路の断面積の１／２以上を確保できる筒形管の筒形管先端部分にちょうつがいで固定された耐圧密閉開閉蓋を取り付け、この耐圧密閉開閉蓋の開閉装置として復動式油圧ジャッキ又は水ジャッキと加減圧機を使用する、復動式油圧ジャッキ又は水ジャッキの一端を筒形管天井部分に、伸縮側を耐圧密閉開閉蓋にピン固定し、加減圧機の操作で復動式油圧ジャッキ又は水ジャッキを伸縮させ、耐圧密閉開閉蓋を瞬時に開閉させることを特徴とする内導管加圧作動開閉耐重圧蓋装置を発明した。In order to solve the above problems, the first invention is such that both ends are longer than the outer dimensions of the water supply or sewage pipe opening / closing device inside the cylinder of the water supply or sewage pipe opening / closing device, and the pipe is disconnected. A pressure-resistant hermetic lid that is fixed by a hinge is attached to the tip of the tubular tube that can secure more than 1/2 of the area, and a reverse hydraulic jack or a water jack Using a booster / reducer, fix one end of a return hydraulic jack or water jack to the tubular tube ceiling and pin the expansion / contraction side to a pressure-resistant hermetic lid. Invented an internal conduit pressurization open / close pressure-resistant lid device that is expanded and contracted to open and close the pressure-tight hermetic lid.
この発明の第２の発明は特許文献１に記載の上水又は下水用管路復旧工法に使用される上水又は下水用管路開閉装置の筒内側に上水又は下水用管路開閉装置の金属製又は樹脂製筒と外周寸法を合わせ金属補強された合体用リングを発明した。この合体用リングを使用する事により、上水又は下水用管路開閉装置の金属製又は樹脂製筒に内導管加圧作動開閉耐重圧蓋装置を取り付け可能となる。 The second aspect of the present invention is a water supply or sewage pipe opening / closing device provided inside the cylinder of the water supply or sewage pipe opening / closing device used in the water supply or sewage pipe restoration method described in Patent Document 1. We have invented a ring for coalescence that is reinforced with a metal or resin cylinder and an outer peripheral dimension. By using this union ring, it is possible to attach an internal conduit pressurization opening / closing heavy pressure-resistant lid device to a metal or resin tube of a water supply or sewage pipe opening / closing device.
上水又は下水用管路開閉装置と内導管加圧作動開閉耐重圧蓋装置を一体化し、耐圧密閉開閉蓋を上流に向け、上水又は下水用管路内壁間に設置固定し、水中で水圧を受けながら油圧又は水圧の力で耐圧密閉開閉蓋を短時間に開閉させ、上水又は下水用管路の水を止める、流す等に使用することが可能となったことを特徴とする内導管加圧作動開閉耐重圧蓋装置。 Integrates a water supply or sewage pipeline open / close device and an internal conduit pressurization opening / closing heavy pressure lid device, with the pressure-resistant sealed open / close lid installed upstream and fixed between the inner walls of the water or sewage pipeline. Inner conduit characterized in that it can be used to stop or flow the water in the pipe for sewage or sewage by opening and closing the pressure-tight hermetic lid in a short time with hydraulic or water pressure while receiving Pressurized opening and closing heavy pressure lid device.
復旧しようとする管路の断面が大きくなれば耐圧密閉開閉蓋に加わる水圧も上がる、耐圧密閉開閉蓋はこの水圧に耐えて、かつ水圧を受けた状態で開閉可能とした構造、装置にできる特徴を持つ耐圧密閉開閉蓋装置。 If the cross section of the pipeline to be restored increases, the water pressure applied to the pressure-resistant hermetic lid will increase, and the pressure-resistant hermetic lid can withstand this water pressure and can be opened and closed under pressure. With pressure-resistant hermetic closure device.
また上水又は下水用管路閉装置は加減圧機の操作で復動式油圧ジャッキ又は水ジャッキに圧力を伝える耐圧ホースは内導管加圧動作開閉耐重圧蓋装置から延長耐圧ホースを脱着可能にした事で、第１番目の発明の耐圧密閉開閉蓋は遠隔操作で開閉できる事を特徴としており、上水又は下水用管路内の水の流れを止めたり、仮管に水を流す作業を、道路上等から操作至簡に行うことができる特徴を持つ内導管加圧作動開閉耐重圧蓋装置。 In addition, the water pressure or sewage pipe closing device is a pressure-resistant hose that transmits pressure to the return hydraulic jack or water jack by operating the pressure regulator. Thus, the pressure-resistant hermetic lid of the first invention is characterized in that it can be opened and closed by remote operation, and the operation of stopping the flow of water in the pipe for water supply or sewage or flowing water through a temporary pipe, Inner conduit pressurization opening and closing pressure-resistant lid device with the feature that can be easily operated from the road etc.
以上の通り、本発明は上水又は下水用管路開閉装置の大きな特徴である上水又は下水を流し、送る、仮管にあたる、鋼管・ヒューム管・陶管・塩化ビニール管・ボックスカルバート・現場施工流路等の管路を、水流を止めることなく修復又は取替え可能な上水又は下水用管路開閉装置を使用した上水又は下水用管路復旧工法に関する管路開閉装置に耐圧密閉開閉蓋装置を発明し、この内導管加圧作動開閉耐重圧蓋装置を使用し、水道の水を止めるに近い速さで上水又は下水用管路内の水の流れを止めたり、仮管に水を流したり、仮管の流量調整ができる、つまり管路の工事時間を大幅に短縮できる効果がある、また管路内の水の流れを止めるための止水時間が短く、管路上流の水位上昇をおさえ安全性が向上する。 As described above, the present invention is a major feature of the water supply or sewage pipe opening / closing device, which flows and sends the water or sewage, which corresponds to the temporary pipe, steel pipe, fume pipe, ceramic pipe, vinyl chloride pipe, box culvert, field Pressure-resistant hermetic lids for pipe opening and closing devices related to water and sewage pipe restoration methods using pipes for water or sewage that can repair or replace pipes such as construction channels without stopping water flow Invented the device, and used this pressure-operated heavy pressure lid device to stop the flow of water in the water or sewage pipes at a speed close to stopping the tap water, Can be adjusted and the flow rate of the temporary pipe can be adjusted, that is, the construction time of the pipeline can be greatly shortened, and the water stoppage time for stopping the water flow in the pipeline is short, and the water level upstream of the pipeline Suppress the rise and improve safety.
以下、本発明の実施形態の例を図面に基づいて説明する。図３は上水又は下水用管路復旧工法に使用する管路開閉装置に図１の内導管加圧作動開閉耐重圧蓋装置を取り付け耐圧密閉開閉蓋を開放状態にした図。 Embodiments of the present invention will be described below with reference to the drawings. FIG. 3 is a view in which the inner conduit pressurization operation opening / closing heavy pressure lid device of FIG. 1 is attached to the pipeline opening / closing device used in the water supply or sewage pipeline restoration method, and the pressure-resistant hermetic opening / closing lid is opened.
本発明を図３の形に合体し一体化する手順を説明します、まず図１、上水又は下水用管路開閉装置の外形寸法より両端が長い金属製又は樹脂製円形管１、金属製又は樹脂製円筒形管の断面に対応し水圧を受けた状態で開閉可能とした構造、装置にできる特徴を持つ耐圧密閉開閉蓋２、複動式油圧シリンダー又は水ジャッキ５、耐圧ホース１３、耐圧ホース用カプラー１５等取り付けられた内導管加圧作動開閉耐重圧蓋装置に金属補強された合体用リング３をはめ込み内導管加圧作動開閉耐重圧蓋装置に溶接または圧着合体し一体化する。 The procedure for integrating and integrating the present invention into the shape shown in FIG. 3 will be described. First, FIG. 1, a metal or resin circular tube 1 whose ends are longer than the outer dimensions of the water supply or sewage pipe opening / closing device, Or a structure that can be opened and closed in response to the cross section of a resin cylindrical tube, and a pressure-resistant hermetic open / close lid 2, a double-acting hydraulic cylinder or water jack 5, a pressure hose 13, a pressure resistance The hose coupler 15 or the like attached to the inner conduit pressurization opening / closing heavy pressure lid device is fitted with a metal-reinforced merging ring 3 and welded or pressure bonded to the inner conduit pressurization operation opening / closing heavy pressure lid device.
次に図３の上水又は下水用管路開閉装置（金属製又は樹脂製筒に外側面と管路内壁間を開閉自在する外袋だけの装置とし）１７の筒内側に段落番号００１１の順番で組み立てられた内導管加圧作動開閉耐重圧蓋装置をさしこみ、金属補強された合体用リング３を内導管加圧作動開閉耐重圧蓋装置に一体化用ボルト１４で合体固定する。 Next, a pipe opening / closing device for clean water or sewage in FIG. 3 (with a metal or resin tube having only an outer bag that can be opened and closed between an outer surface and an inner wall of the pipe) The inner conduit pressurization opening / closing heavy pressure lid device assembled in the above is inserted, and the metal-reinforced coalescence ring 3 is united and fixed to the inner conduit pressurization operation opening / closing heavy pressure lid device with the integration bolt 14.
次に金属補強された合体用リング４を筒形管１にはめ込み上水又は下水用管路開閉装置１７に、一体化用ボルト１４で合体し、さらに合体用リング固定ボルト７で筒形管１に固定し、図３のように組み立て完成させることで発明を実施するための最良の形態となる。 Next, the metal-reinforced merging ring 4 is fitted into the tubular tube 1 and merged into the water supply or sewage pipe opening / closing device 17 with the integration bolt 14, and the merging ring fixing bolt 7 is used to merge the tubular tube 1. And the assembly is completed as shown in FIG. 3, which is the best mode for carrying out the invention.
ここで特許文献１に記載の上水又は下水用管路復旧工法に使用される上水又は下水用管路開閉装置と本発明の大きな相異点を図６で説明します。図６は本発明が図３のように組み立てられた内導管加圧作動開閉耐重圧蓋装置を上水又は下水用管路に取り付け、耐圧密閉開閉蓋２が開放されている状態の図です。 Here, Fig. 6 illustrates the major differences between the water supply or sewage pipeline opening / closing device used in the water supply or sewage pipeline restoration method described in Patent Document 1 and the present invention. FIG. 6 is a view showing a state in which the pressure-tight hermetically opened / closed lid 2 is opened with the inner conduit pressurization opening / closing heavy pressure-resistant lid device assembled as shown in FIG. 3 attached to the water or sewage pipeline.
まずこの発明を図６で参照し、老朽化した既設の下水道管の取り替え工事を例に取り説明する。まず道路下に埋設されている下水道管の取り替えようとする部分の道路を掘って、下水道管の取り替えようとする部分を露出させ、取り替えようとする下水道管の上流側下水道管上部に図３の組み立てられた内導管加圧作動開閉耐重圧蓋装置が下水道管内に余裕をもって挿入出来る開口部を作る。 First, the present invention will be described with reference to FIG. 6, taking as an example a replacement work for an existing sewer pipe that has deteriorated. First, dig a part of the road where the sewer pipe buried under the road is to be replaced, expose the part where the sewer pipe is to be replaced, and place it on the upper side of the sewer pipe upstream of the sewer pipe to be replaced as shown in FIG. The assembled inner conduit pressurization opening / closing heavy pressure resistant lid device creates an opening that can be inserted into the sewer pipe with a margin.
次に上記下水道管に空けた開口部から図３のように組み立てられた内導管加圧作動開閉耐重圧蓋装置を下水道管の上流側に耐圧密閉開閉蓋２を向け図６のように挿入し、上水又は下水用管路開閉装置１７の外袋内にコンプレッサーを利用して空気を送り込むと外袋が膨らみ下水道管内壁に密着固定され図６のように取り付けられる。 Next, the inner conduit pressurization opening / closing heavy pressure lid device assembled as shown in FIG. 3 is inserted through the opening in the sewer pipe as shown in FIG. When air is fed into the outer bag of the water supply or sewage pipe opening / closing device 17 using a compressor, the outer bag expands and is fixed in close contact with the inner wall of the sewer pipe, and attached as shown in FIG.
図６は耐圧密閉開閉蓋２が開放されているが、耐圧密閉開閉蓋２を複動式油圧シリンダー又は水ジャッキ５で閉鎖すれば管路内は止水される。止水の状態で下流側に仮管等のバイパスを作り、水を迂回させ老朽化した既設の下水道管の取り替え工事等を行う。 In FIG. 6, the pressure-resistant hermetic lid 2 is opened, but if the pressure-hermetic hermetic lid 2 is closed with a double-acting hydraulic cylinder or a water jack 5, the inside of the pipeline is stopped. Make a bypass such as a temporary pipe on the downstream side with the water stopped, and replace the old sewer pipe that has been aged by bypassing the water.
上記工事例の作業手順の中で重要な点は止水を短時間で完了させることです。特許文献１に記載の上水又は下水用管路復旧工法に使用される上水又は下水用管路開閉装置は内管に開閉自在とする内袋を設け、内袋に空気等の流体を圧入すると管内で膨れて筒内部を閉鎖し止水する方式のため、管路内の断面が大きくなれば空気等の流体の量も増え、内袋に空気等の流体を圧入する時間が長くなるため、管路内の止水作業に時間がかかり、管路上流側の水位が上昇し水圧が大きくなる、また作業時間も長くなる問題となる。 An important point in the work procedure of the above construction example is to complete the water stop in a short time. The water supply or sewage pipe opening / closing device used in the water supply or sewage pipe restoration method described in Patent Document 1 is provided with an inner bag that can be opened and closed in the inner pipe, and fluid such as air is press-fitted into the inner bag. Then, because it is a system that swells in the pipe and closes the inside of the cylinder and stops the water, if the cross section in the pipe increases, the amount of fluid such as air increases, and the time for pressurizing the fluid such as air into the inner bag becomes longer. In this case, it takes time to stop the water in the pipe, raising the water level on the upstream side of the pipe, increasing the water pressure, and increasing the work time.
本発明は図６の複動式油圧シリンダー又は水ジャッキ５で閉鎖作業をおこなう事で瞬時に管路内の止水が出来るため、上水又は下水用管路復旧工法の工事時間を大幅に短縮できる効果がある。また管路内の水の流れを止めるための止水時間が短く、管路上流の水位上昇をおさえ安全性が向上するため、筒内部の内袋を膨らませ閉鎖し、止水する方式とは大きな相異点となる本発明は特許文献１に記載の上水又は下水用管路復旧工法に使用される上水又は下水用管路開閉装置から安全性、作業能率、作業時間を大きく改善した。 In the present invention, the closing operation can be instantaneously performed by closing the double-acting hydraulic cylinder or the water jack 5 shown in FIG. 6, so that the construction time of the water supply or sewage pipe restoration method can be greatly reduced. There is an effect that can be done. In addition, the water stop time for stopping the flow of water in the pipeline is short and the rise in the water level upstream of the pipeline is improved, so the safety is improved. The present invention, which is a difference, greatly improves safety, work efficiency, and work time from the water supply or sewage pipe opening / closing device used in the water supply or sewage pipe restoration method described in Patent Document 1.
本発明を使用した特許文献１に記載の上水又は下水用管路復旧工法は道路等交通規制をして行う上水又は下水用管路復旧工事を短時間で安全に行うことが出来るため、通常の工事の他に、地震や災害或いは事故等で管路が損傷した場合等の緊急工事にも最適となる。 Since the water supply or sewage pipeline restoration construction method described in Patent Document 1 using the present invention can safely perform the water supply or sewage pipeline restoration work performed by regulating traffic such as roads in a short time, In addition to normal construction, it is also optimal for emergency construction such as when pipelines are damaged by earthquakes, disasters, or accidents.
１ 上水又は下水用管路開閉装置の外形寸法より両端が長い金属製又は樹脂製筒形管。
２ 金属製又は樹脂製筒形管１の断面に対応してかかる水圧を受けた状態で開閉可能とした構造、装置にできる特徴を持つ耐圧密閉開閉蓋。
３ 金属製又は樹脂製円筒形管１と上水又は下水用管路開閉装置を一体化する金属補強された合体用リングで円筒形管に溶接又は圧着する。
４ 属製又は樹脂製円筒形管１と上水又は下水用管路開閉装置を一体化する金属補強された合体用リングで円筒形管にボルトで摩擦固定する。
５ 複動式油圧シリンダー又は水ジャッキ。
６ 補強されたちょうつがい。
７ 合体用リング３固定ボルト。
８ 上水又は下水用管路開閉装置の断面強度に対応する構造補強リブ。
９ 内導管式加圧作動開閉耐重圧蓋装置と上水又は下水用管路開閉装置の一体化用ボルト穴。
１０ 止水用パッキン。
１１ 金属製又は樹脂製筒形管１の断面に対応した水圧に対応する構造補強リブ。
１２ 筒形管１に溶接又は圧着部分。
１３ 耐圧ホース。
１４ 内導管式加圧作動開閉耐重圧蓋装置と上水又は下水用管路開閉装置の一体化用ボルト。
１５ 耐圧ホース用カプラー。
１６ 上水又は下水用管路開閉装置の外袋に空気または流体を圧入出用耐圧ホース接続バルブ。
１７ 上水又は下水用管路開閉装置で金属製又は樹脂製筒に外側面と管路内壁間を開閉自在する外袋だけの装置。
１８ 先端は加減圧装置につなぐ。1 Metal or resin tubular tube whose both ends are longer than the outer dimensions of the pipe opening / closing device for water or sewage.
2. A pressure-resistant hermetic lid that can be opened and closed in a state where it can be opened and closed in response to the water pressure corresponding to the cross section of the metal or resin cylindrical tube 1.
3 Weld or pressure-bond the cylindrical tube 1 with a metal-reinforced resin-integrated ring that integrates the metal or resin cylindrical tube 1 and the water supply or sewage pipe opening / closing device.
4. A metal-reinforced uniting ring that unifies the metal-made or resin-made cylindrical pipe 1 and the water supply or sewage pipe opening / closing device is friction-fixed to the cylindrical pipe with bolts.
5 Double acting hydraulic cylinder or water jack.
6 Reinforced hinges.
7 Ring 3 fixing bolt for coalescence.
8 Structural reinforcement ribs corresponding to the cross-sectional strength of the pipe opening and closing device for water or sewage.
9 Bolt hole for integrating the internal conduit type pressurization opening and closing heavy pressure lid device and the pipe opening and closing device for water or sewage.
10 Packing for water stop.
11 A structural reinforcing rib corresponding to the water pressure corresponding to the cross section of the cylindrical tube 1 made of metal or resin.
12 A welded or crimped portion of the tubular tube 1.
13 Pressure hose.
14 Bolt for integrating an internal conduit type pressurization opening / closing heavy pressure-resistant lid device and a pipe opening / closing device for water or sewage.
15 Pressure hose coupler.
16 A pressure hose connection valve for pressurizing and discharging air or fluid into the outer bag of a pipe opening / closing device for water or sewage.
17 A device with only an outer bag that can freely open and close between an outer surface and an inner wall of a pipe in a metal or resin tube with a pipe opening and closing device for water or sewage.
18 Connect the tip to the pressurization / decompression device.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005213434A JP4081512B2 (en) | 2005-06-24 | 2005-06-24 | Inner conduit type pressurization opening and closing heavy pressure lid device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005213434A JP4081512B2 (en) | 2005-06-24 | 2005-06-24 | Inner conduit type pressurization opening and closing heavy pressure lid device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2007002644A true JP2007002644A (en) | 2007-01-11 |
| JP4081512B2 JP4081512B2 (en) | 2008-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2005213434A Active JP4081512B2 (en) | 2005-06-24 | 2005-06-24 | Inner conduit type pressurization opening and closing heavy pressure lid device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009074337A (en) * | 2007-09-18 | 2009-04-09 | Hiroshi Sato | Water way opening/closing equipment and water way rehabilitation method |
| CN103850344A (en) * | 2014-02-21 | 2014-06-11 | 武汉圣禹排水***有限公司 | Top shaft type rapid flushing door |
| CN105736894A (en) * | 2016-04-25 | 2016-07-06 | 青岛理工大学 | Hydraulic quick plugging device for offshore platform high-pressure process pipeline |
| CN108479164A (en) * | 2018-06-19 | 2018-09-04 | 浙江兆泉智能科技有限公司 | A kind of runoff investigation equipment |
-
2005
- 2005-06-24 JP JP2005213434A patent/JP4081512B2/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009074337A (en) * | 2007-09-18 | 2009-04-09 | Hiroshi Sato | Water way opening/closing equipment and water way rehabilitation method |
| CN103850344A (en) * | 2014-02-21 | 2014-06-11 | 武汉圣禹排水***有限公司 | Top shaft type rapid flushing door |
| CN105736894A (en) * | 2016-04-25 | 2016-07-06 | 青岛理工大学 | Hydraulic quick plugging device for offshore platform high-pressure process pipeline |
| CN108479164A (en) * | 2018-06-19 | 2018-09-04 | 浙江兆泉智能科技有限公司 | A kind of runoff investigation equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4081512B2 (en) | 2008-04-30 |
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