JACKING PIPE
PROBLEM TO BE SOLVED: To provide a low-cost jacking pipe having great water cut-off ability suitable for an ultra-deep jacking method. SOLUTION: On the outer circumferential face of an insert 3 of a jacking pipe main body 1, seal grooves 6 and 7 are formed at a longitudinal interval, and a rubber ri...
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| creator | NAKAJIMA TAKASHI TOKURA KEIZABURO NOBE OSAMU MIYAHARA TSUYOSHI |
| description | PROBLEM TO BE SOLVED: To provide a low-cost jacking pipe having great water cut-off ability suitable for an ultra-deep jacking method. SOLUTION: On the outer circumferential face of an insert 3 of a jacking pipe main body 1, seal grooves 6 and 7 are formed at a longitudinal interval, and a rubber ring 11 is installed in the front side seal groove 6 while an O-ring 12 is installed in the rear side seal groove 7. The O-ring 12 is provided with longitudinal movement allowance, and the O-ring 12 is pressed to the front wall of the seal groove 7 for increasing the water cut-off ability when a water pressure is applied to it. |
| format | Patent |
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SOLUTION: On the outer circumferential face of an insert 3 of a jacking pipe main body 1, seal grooves 6 and 7 are formed at a longitudinal interval, and a rubber ring 11 is installed in the front side seal groove 6 while an O-ring 12 is installed in the rear side seal groove 7. The O-ring 12 is provided with longitudinal movement allowance, and the O-ring 12 is pressed to the front wall of the seal groove 7 for increasing the water cut-off ability when a water pressure is applied to it.</description><edition>7</edition><language>eng</language><subject>BLASTING ; EARTH DRILLING ; ENGINEERING ELEMENTS AND UNITS ; FIXED CONSTRUCTIONS ; GALLERIES ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; JOINTS OR FITTINGS FOR PIPES ; LARGE UNDERGROUND CHAMBERS ; LIGHTING ; MEANS FOR THERMAL INSULATION IN GENERAL ; MECHANICAL ENGINEERING ; MINING ; PIPES ; SHAFTS ; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING ; THERMAL INSULATION IN GENERAL ; TUNNELS ; WEAPONS</subject><creationdate>2002</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=20020925&DB=EPODOC&CC=JP&NR=2002276285A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20020925&DB=EPODOC&CC=JP&NR=2002276285A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>NAKAJIMA TAKASHI</creatorcontrib><creatorcontrib>TOKURA KEIZABURO</creatorcontrib><creatorcontrib>NOBE OSAMU</creatorcontrib><creatorcontrib>MIYAHARA TSUYOSHI</creatorcontrib><title>JACKING PIPE</title><description>PROBLEM TO BE SOLVED: To provide a low-cost jacking pipe having great water cut-off ability suitable for an ultra-deep jacking method. SOLUTION: On the outer circumferential face of an insert 3 of a jacking pipe main body 1, seal grooves 6 and 7 are formed at a longitudinal interval, and a rubber ring 11 is installed in the front side seal groove 6 while an O-ring 12 is installed in the rear side seal groove 7. The O-ring 12 is provided with longitudinal movement allowance, and the O-ring 12 is pressed to the front wall of the seal groove 7 for increasing the water cut-off ability when a water pressure is applied to it.</description><subject>BLASTING</subject><subject>EARTH DRILLING</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>FIXED CONSTRUCTIONS</subject><subject>GALLERIES</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>LARGE UNDERGROUND CHAMBERS</subject><subject>LIGHTING</subject><subject>MEANS FOR THERMAL INSULATION IN GENERAL</subject><subject>MECHANICAL ENGINEERING</subject><subject>MINING</subject><subject>PIPES</subject><subject>SHAFTS</subject><subject>SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>TUNNELS</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2002</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZODxcnT29vRzVwjwDHDlYWBNS8wpTuWF0twMSm6uIc4euqkF-fGpxQWJyal5qSXxXgFGBgZGRuZmRhamjsZEKQIAuMMcsA</recordid><startdate>20020925</startdate><enddate>20020925</enddate><creator>NAKAJIMA TAKASHI</creator><creator>TOKURA KEIZABURO</creator><creator>NOBE OSAMU</creator><creator>MIYAHARA TSUYOSHI</creator><scope>EVB</scope></search><sort><creationdate>20020925</creationdate><title>JACKING PIPE</title><author>NAKAJIMA TAKASHI ; TOKURA KEIZABURO ; NOBE OSAMU ; MIYAHARA TSUYOSHI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2002276285A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2002</creationdate><topic>BLASTING</topic><topic>EARTH DRILLING</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>FIXED CONSTRUCTIONS</topic><topic>GALLERIES</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>LARGE UNDERGROUND CHAMBERS</topic><topic>LIGHTING</topic><topic>MEANS FOR THERMAL INSULATION IN GENERAL</topic><topic>MECHANICAL ENGINEERING</topic><topic>MINING</topic><topic>PIPES</topic><topic>SHAFTS</topic><topic>SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>TUNNELS</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>NAKAJIMA TAKASHI</creatorcontrib><creatorcontrib>TOKURA KEIZABURO</creatorcontrib><creatorcontrib>NOBE OSAMU</creatorcontrib><creatorcontrib>MIYAHARA TSUYOSHI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>NAKAJIMA TAKASHI</au><au>TOKURA KEIZABURO</au><au>NOBE OSAMU</au><au>MIYAHARA TSUYOSHI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>JACKING PIPE</title><date>2002-09-25</date><risdate>2002</risdate><abstract>PROBLEM TO BE SOLVED: To provide a low-cost jacking pipe having great water cut-off ability suitable for an ultra-deep jacking method. SOLUTION: On the outer circumferential face of an insert 3 of a jacking pipe main body 1, seal grooves 6 and 7 are formed at a longitudinal interval, and a rubber ring 11 is installed in the front side seal groove 6 while an O-ring 12 is installed in the rear side seal groove 7. The O-ring 12 is provided with longitudinal movement allowance, and the O-ring 12 is pressed to the front wall of the seal groove 7 for increasing the water cut-off ability when a water pressure is applied to it.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | BLASTING EARTH DRILLING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS GALLERIES GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LARGE UNDERGROUND CHAMBERS LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING MINING PIPES SHAFTS SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TUNNELS WEAPONS |
| title | JACKING PIPE |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-30T13%3A20%3A34IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=NAKAJIMA%20TAKASHI&rft.date=2002-09-25&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3EJP2002276285A%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |