SUPPLY METHOD OF HEAVY LIQUID IN REGENERATION OF SUPERANNUATED PIPE
PROBLEM TO BE SOLVED: To provide a supply method of heavy liquid in regeneration of a worn out pipe, whereby in order to give buoyancy to a new construction pipe, an optimum level of the heavy liquid can be always maintained inside the worn out pipe. SOLUTION: A new construction pipe p2 closing a ti...
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| creator | MIURA HISASHI OKUNUKI TAKAYOSHI KIN HIROAKI |
| description | PROBLEM TO BE SOLVED: To provide a supply method of heavy liquid in regeneration of a worn out pipe, whereby in order to give buoyancy to a new construction pipe, an optimum level of the heavy liquid can be always maintained inside the worn out pipe. SOLUTION: A new construction pipe p2 closing a tip end is used, in a tail end of the new construction pipe p2, a plug 1 is mounted, water is sealed inside the new construction pipe p2, seal water 2 is pressurized from the tail end, to be inserted into a worn out pipe p1. Here, in the tip end of the new construction pipe p2, a movable block member 4 is positioned, and in a space between the new construction pipe p2 and the worn out pipe p1, heavy liquid 3 of large specific gravity is injected. A pressure of this heavy liquid 3 is detected by a sensor 5, when a detection value therein is decreased less than a preset value, a heavy liquid supply pump 7 is operated. |
| format | Patent |
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SOLUTION: A new construction pipe p2 closing a tip end is used, in a tail end of the new construction pipe p2, a plug 1 is mounted, water is sealed inside the new construction pipe p2, seal water 2 is pressurized from the tail end, to be inserted into a worn out pipe p1. Here, in the tip end of the new construction pipe p2, a movable block member 4 is positioned, and in a space between the new construction pipe p2 and the worn out pipe p1, heavy liquid 3 of large specific gravity is injected. A pressure of this heavy liquid 3 is detected by a sensor 5, when a detection value therein is decreased less than a preset value, a heavy liquid supply pump 7 is operated.</description><edition>6</edition><language>eng</language><subject>BLASTING ; ENGINEERING ELEMENTS AND UNITS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; JOINTS OR FITTINGS FOR PIPES ; LIGHTING ; MEANS FOR THERMAL INSULATION IN GENERAL ; MECHANICAL ENGINEERING ; PIPES ; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING ; THERMAL INSULATION IN GENERAL ; WEAPONS</subject><creationdate>1998</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19981204&DB=EPODOC&CC=JP&NR=H10318432A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19981204&DB=EPODOC&CC=JP&NR=H10318432A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MIURA HISASHI</creatorcontrib><creatorcontrib>OKUNUKI TAKAYOSHI</creatorcontrib><creatorcontrib>KIN HIROAKI</creatorcontrib><title>SUPPLY METHOD OF HEAVY LIQUID IN REGENERATION OF SUPERANNUATED PIPE</title><description>PROBLEM TO BE SOLVED: To provide a supply method of heavy liquid in regeneration of a worn out pipe, whereby in order to give buoyancy to a new construction pipe, an optimum level of the heavy liquid can be always maintained inside the worn out pipe. SOLUTION: A new construction pipe p2 closing a tip end is used, in a tail end of the new construction pipe p2, a plug 1 is mounted, water is sealed inside the new construction pipe p2, seal water 2 is pressurized from the tail end, to be inserted into a worn out pipe p1. Here, in the tip end of the new construction pipe p2, a movable block member 4 is positioned, and in a space between the new construction pipe p2 and the worn out pipe p1, heavy liquid 3 of large specific gravity is injected. A pressure of this heavy liquid 3 is detected by a sensor 5, when a detection value therein is decreased less than a preset value, a heavy liquid supply pump 7 is operated.</description><subject>BLASTING</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEATING</subject><subject>JOINTS OR FITTINGS FOR PIPES</subject><subject>LIGHTING</subject><subject>MEANS FOR THERMAL INSULATION IN GENERAL</subject><subject>MECHANICAL ENGINEERING</subject><subject>PIPES</subject><subject>SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1998</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHAODg0I8IlU8HUN8fB3UfB3U_BwdQyLVPDxDAz1dFHw9FMIcnV39XMNcgzx9PcDyQM1AHl-fqGOIa4uCgGeAa48DKxpiTnFqbxQmptB0c01xNlDN7UgPz61uCAxOTUvtSTeK8DD0MDY0MLE2MjRmBg1ADwRK7w</recordid><startdate>19981204</startdate><enddate>19981204</enddate><creator>MIURA HISASHI</creator><creator>OKUNUKI TAKAYOSHI</creator><creator>KIN HIROAKI</creator><scope>EVB</scope></search><sort><creationdate>19981204</creationdate><title>SUPPLY METHOD OF HEAVY LIQUID IN REGENERATION OF SUPERANNUATED PIPE</title><author>MIURA HISASHI ; OKUNUKI TAKAYOSHI ; KIN HIROAKI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH10318432A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1998</creationdate><topic>BLASTING</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HEATING</topic><topic>JOINTS OR FITTINGS FOR PIPES</topic><topic>LIGHTING</topic><topic>MEANS FOR THERMAL INSULATION IN GENERAL</topic><topic>MECHANICAL ENGINEERING</topic><topic>PIPES</topic><topic>SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>MIURA HISASHI</creatorcontrib><creatorcontrib>OKUNUKI TAKAYOSHI</creatorcontrib><creatorcontrib>KIN HIROAKI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MIURA HISASHI</au><au>OKUNUKI TAKAYOSHI</au><au>KIN HIROAKI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>SUPPLY METHOD OF HEAVY LIQUID IN REGENERATION OF SUPERANNUATED PIPE</title><date>1998-12-04</date><risdate>1998</risdate><abstract>PROBLEM TO BE SOLVED: To provide a supply method of heavy liquid in regeneration of a worn out pipe, whereby in order to give buoyancy to a new construction pipe, an optimum level of the heavy liquid can be always maintained inside the worn out pipe. SOLUTION: A new construction pipe p2 closing a tip end is used, in a tail end of the new construction pipe p2, a plug 1 is mounted, water is sealed inside the new construction pipe p2, seal water 2 is pressurized from the tail end, to be inserted into a worn out pipe p1. Here, in the tip end of the new construction pipe p2, a movable block member 4 is positioned, and in a space between the new construction pipe p2 and the worn out pipe p1, heavy liquid 3 of large specific gravity is injected. A pressure of this heavy liquid 3 is detected by a sensor 5, when a detection value therein is decreased less than a preset value, a heavy liquid supply pump 7 is operated.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS |
| title | SUPPLY METHOD OF HEAVY LIQUID IN REGENERATION OF SUPERANNUATED PIPE |
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