THREADED COUPLING FOR PIPE
[Object] To provide a threaded joint for pipes that is a radial seal type joint and that has both high galling resistance and high sealability. [Solution] In the threaded joint for pipes, a coating having a Vickers hardness greater than or equal to 310 is formed on a threaded portion of the box and...
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| creator | TAKANO, JUN TAKAHASHI, KAZUNARI NAGAHAMA, TAKUYA UETA, MASATERU YOSHIKAWA, MASAKI KAWAI, TAKAMASA CHIKATSUNE, HIROSHI MORIOKA, NOBUHIKO |
| description | [Object] To provide a threaded joint for pipes that is a radial seal type joint and that has both high galling resistance and high sealability. [Solution] In the threaded joint for pipes, a coating having a Vickers hardness greater than or equal to 310 is formed on a threaded portion of the box and an inner face of the box corresponding to a seal portion. The seal interference amount ratio ´/D of the seal portion in a pipe circumferential direction is greater than or equal to 0.002, where D is a seal diameter defined as an outside diameter of the pin at a seal point that is a point on the outer peripheral face of the nose of the pin at which the outer peripheral face first comes into contact with the inner peripheral face of the nose of the box and ´ is an interference amount defined as an amount by which the outside diameter at the seal point is reduced by the box when the pin and the box are threadedly connected with each other. |
| format | Patent |
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[Solution] In the threaded joint for pipes, a coating having a Vickers hardness greater than or equal to 310 is formed on a threaded portion of the box and an inner face of the box corresponding to a seal portion. The seal interference amount ratio ´/D of the seal portion in a pipe circumferential direction is greater than or equal to 0.002, where D is a seal diameter defined as an outside diameter of the pin at a seal point that is a point on the outer peripheral face of the nose of the pin at which the outer peripheral face first comes into contact with the inner peripheral face of the nose of the box and ´ is an interference amount defined as an amount by which the outside diameter at the seal point is reduced by the box when the pin and the box are threadedly connected with each other.</description><language>eng ; fre ; ger</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>2015</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=20151125&DB=EPODOC&CC=EP&NR=2770239A4$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20151125&DB=EPODOC&CC=EP&NR=2770239A4$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TAKANO, JUN</creatorcontrib><creatorcontrib>TAKAHASHI, KAZUNARI</creatorcontrib><creatorcontrib>NAGAHAMA, TAKUYA</creatorcontrib><creatorcontrib>UETA, MASATERU</creatorcontrib><creatorcontrib>YOSHIKAWA, MASAKI</creatorcontrib><creatorcontrib>KAWAI, TAKAMASA</creatorcontrib><creatorcontrib>CHIKATSUNE, HIROSHI</creatorcontrib><creatorcontrib>MORIOKA, NOBUHIKO</creatorcontrib><title>THREADED COUPLING FOR PIPE</title><description>[Object] To provide a threaded joint for pipes that is a radial seal type joint and that has both high galling resistance and high sealability. [Solution] In the threaded joint for pipes, a coating having a Vickers hardness greater than or equal to 310 is formed on a threaded portion of the box and an inner face of the box corresponding to a seal portion. The seal interference amount ratio ´/D of the seal portion in a pipe circumferential direction is greater than or equal to 0.002, where D is a seal diameter defined as an outside diameter of the pin at a seal point that is a point on the outer peripheral face of the nose of the pin at which the outer peripheral face first comes into contact with the inner peripheral face of the nose of the box and ´ is an interference amount defined as an amount by which the outside diameter at the seal point is reduced by the box when the pin and the box are threadedly connected with each other.</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>2015</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJAK8QhydXRxdVFw9g8N8PH0c1dw8w9SCPAMcOVhYE1LzClO5YXS3AwKbq4hzh66qQX58anFBYnJqXmpJfGuAUbm5gZGxpaOJsZEKAEA6Lkfwg</recordid><startdate>20151125</startdate><enddate>20151125</enddate><creator>TAKANO, JUN</creator><creator>TAKAHASHI, KAZUNARI</creator><creator>NAGAHAMA, TAKUYA</creator><creator>UETA, MASATERU</creator><creator>YOSHIKAWA, MASAKI</creator><creator>KAWAI, TAKAMASA</creator><creator>CHIKATSUNE, HIROSHI</creator><creator>MORIOKA, NOBUHIKO</creator><scope>EVB</scope></search><sort><creationdate>20151125</creationdate><title>THREADED COUPLING FOR PIPE</title><author>TAKANO, JUN ; TAKAHASHI, KAZUNARI ; NAGAHAMA, TAKUYA ; UETA, MASATERU ; YOSHIKAWA, MASAKI ; KAWAI, TAKAMASA ; CHIKATSUNE, HIROSHI ; MORIOKA, NOBUHIKO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP2770239A43</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2015</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>TAKANO, JUN</creatorcontrib><creatorcontrib>TAKAHASHI, KAZUNARI</creatorcontrib><creatorcontrib>NAGAHAMA, TAKUYA</creatorcontrib><creatorcontrib>UETA, MASATERU</creatorcontrib><creatorcontrib>YOSHIKAWA, MASAKI</creatorcontrib><creatorcontrib>KAWAI, TAKAMASA</creatorcontrib><creatorcontrib>CHIKATSUNE, HIROSHI</creatorcontrib><creatorcontrib>MORIOKA, NOBUHIKO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>TAKANO, JUN</au><au>TAKAHASHI, KAZUNARI</au><au>NAGAHAMA, TAKUYA</au><au>UETA, MASATERU</au><au>YOSHIKAWA, MASAKI</au><au>KAWAI, TAKAMASA</au><au>CHIKATSUNE, HIROSHI</au><au>MORIOKA, NOBUHIKO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>THREADED COUPLING FOR PIPE</title><date>2015-11-25</date><risdate>2015</risdate><abstract>[Object] To provide a threaded joint for pipes that is a radial seal type joint and that has both high galling resistance and high sealability. [Solution] In the threaded joint for pipes, a coating having a Vickers hardness greater than or equal to 310 is formed on a threaded portion of the box and an inner face of the box corresponding to a seal portion. The seal interference amount ratio ´/D of the seal portion in a pipe circumferential direction is greater than or equal to 0.002, where D is a seal diameter defined as an outside diameter of the pin at a seal point that is a point on the outer peripheral face of the nose of the pin at which the outer peripheral face first comes into contact with the inner peripheral face of the nose of the box and ´ is an interference amount defined as an amount by which the outside diameter at the seal point is reduced by the box when the pin and the box are threadedly connected with each other.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| source | esp@cenet |
| 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 | THREADED COUPLING FOR PIPE |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-31T14%3A28%3A19IST&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=TAKANO,%20JUN&rft.date=2015-11-25&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3EEP2770239A4%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 |