THREADED JOINT FOR STEEL PIPES
FIELD: threaded joints for steel pipes. ^ SUBSTANCE: proposed threaded joint has dowel pin and bush with contact surface each; contact surface includes section with thread and section without thread which is used for contact with metal. Contact surface of at least only dowel pin or only bush is coat...
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| creator | GOTO KUNIO NAGASAKU SIGEO ANRAKU TOSIRO MATSUMOTO KEISI |
| description | FIELD: threaded joints for steel pipes. ^ SUBSTANCE: proposed threaded joint has dowel pin and bush with contact surface each; contact surface includes section with thread and section without thread which is used for contact with metal. Contact surface of at least only dowel pin or only bush is coated with primer layer over which covering lubricating layer is applied. Primer layer is just coat made from porous metal at porosity of 5-80% and thickness of 1-30 mcm. Lubricating coat is made in form of solid coat practically free from powders of hard metals. Maximum total thickness of primer layer and lubricating layer is 100 mcm. Proposed threaded joint for steel pipes ensures hermetic " metal-to-metal" joint and withstands repeated screwing and unscrewing without application of liquid lubricant. ^ EFFECT: enhanced reliability. ^ 6 cl, 4 dwg |
| format | Patent |
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Contact surface of at least only dowel pin or only bush is coated with primer layer over which covering lubricating layer is applied. Primer layer is just coat made from porous metal at porosity of 5-80% and thickness of 1-30 mcm. Lubricating coat is made in form of solid coat practically free from powders of hard metals. Maximum total thickness of primer layer and lubricating layer is 100 mcm. Proposed threaded joint for steel pipes ensures hermetic " metal-to-metal" joint and withstands repeated screwing and unscrewing without application of liquid lubricant. ^ EFFECT: enhanced reliability. ^ 6 cl, 4 dwg</description><edition>7</edition><language>eng ; rus</language><subject>APPARATUS THEREFOR ; BLASTING ; CHEMICAL SURFACE TREATMENT ; CHEMISTRY ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING MATERIAL WITH METALLIC MATERIAL ; COATING METALLIC MATERIAL ; DIFFUSION TREATMENT OF METALLIC MATERIAL ; ELECTROFORMING ; ELECTROLYTIC OR ELECTROPHORETIC PROCESSES ; ENGINEERING ELEMENTS AND UNITS ; FUELS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL ; JOINTS OR FITTINGS FOR PIPES ; LIGHTING ; LUBRICANTS ; LUBRICATING COMPOSITIONS ; MEANS FOR THERMAL INSULATION IN GENERAL ; MECHANICAL ENGINEERING ; METALLURGY ; PEAT ; PETROLEUM, GAS OR COKE INDUSTRIES ; PIPES ; PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS ; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING ; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION ; TECHNICAL GASES CONTAINING CARBON MONOXIDE ; THERMAL INSULATION IN GENERAL ; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION ; WEAPONS</subject><creationdate>2005</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=20051010&DB=EPODOC&CC=RU&NR=2262029C2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20051010&DB=EPODOC&CC=RU&NR=2262029C2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GOTO KUNIO</creatorcontrib><creatorcontrib>NAGASAKU SIGEO</creatorcontrib><creatorcontrib>ANRAKU TOSIRO</creatorcontrib><creatorcontrib>MATSUMOTO KEISI</creatorcontrib><title>THREADED JOINT FOR STEEL PIPES</title><description>FIELD: threaded joints for steel pipes. ^ SUBSTANCE: proposed threaded joint has dowel pin and bush with contact surface each; contact surface includes section with thread and section without thread which is used for contact with metal. Contact surface of at least only dowel pin or only bush is coated with primer layer over which covering lubricating layer is applied. Primer layer is just coat made from porous metal at porosity of 5-80% and thickness of 1-30 mcm. Lubricating coat is made in form of solid coat practically free from powders of hard metals. Maximum total thickness of primer layer and lubricating layer is 100 mcm. Proposed threaded joint for steel pipes ensures hermetic " metal-to-metal" joint and withstands repeated screwing and unscrewing without application of liquid lubricant. ^ EFFECT: enhanced reliability. ^ 6 cl, 4 dwg</description><subject>APPARATUS THEREFOR</subject><subject>BLASTING</subject><subject>CHEMICAL SURFACE TREATMENT</subject><subject>CHEMISTRY</subject><subject>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</subject><subject>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</subject><subject>COATING MATERIAL WITH METALLIC MATERIAL</subject><subject>COATING METALLIC MATERIAL</subject><subject>DIFFUSION TREATMENT OF METALLIC MATERIAL</subject><subject>ELECTROFORMING</subject><subject>ELECTROLYTIC OR ELECTROPHORETIC PROCESSES</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>FUELS</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEATING</subject><subject>INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL</subject><subject>JOINTS OR FITTINGS FOR PIPES</subject><subject>LIGHTING</subject><subject>LUBRICANTS</subject><subject>LUBRICATING COMPOSITIONS</subject><subject>MEANS FOR THERMAL INSULATION IN GENERAL</subject><subject>MECHANICAL ENGINEERING</subject><subject>METALLURGY</subject><subject>PEAT</subject><subject>PETROLEUM, GAS OR COKE INDUSTRIES</subject><subject>PIPES</subject><subject>PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS</subject><subject>SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING</subject><subject>SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION</subject><subject>TECHNICAL GASES CONTAINING CARBON MONOXIDE</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2005</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJAL8QhydXRxdVHw8vf0C1Fw8w9SCA5xdfVRCPAMcA3mYWBNS8wpTuWF0twMCm6uIc4euqkF-fGpxQWJyal5qSXxQaFGRmZGBkaWzkbGRCgBAGg0IO8</recordid><startdate>20051010</startdate><enddate>20051010</enddate><creator>GOTO KUNIO</creator><creator>NAGASAKU SIGEO</creator><creator>ANRAKU TOSIRO</creator><creator>MATSUMOTO KEISI</creator><scope>EVB</scope></search><sort><creationdate>20051010</creationdate><title>THREADED JOINT FOR STEEL PIPES</title><author>GOTO KUNIO ; NAGASAKU SIGEO ; ANRAKU TOSIRO ; MATSUMOTO KEISI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_RU2262029C23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; rus</language><creationdate>2005</creationdate><topic>APPARATUS THEREFOR</topic><topic>BLASTING</topic><topic>CHEMICAL SURFACE TREATMENT</topic><topic>CHEMISTRY</topic><topic>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</topic><topic>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</topic><topic>COATING MATERIAL WITH METALLIC MATERIAL</topic><topic>COATING METALLIC MATERIAL</topic><topic>DIFFUSION TREATMENT OF METALLIC MATERIAL</topic><topic>ELECTROFORMING</topic><topic>ELECTROLYTIC OR ELECTROPHORETIC PROCESSES</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>FUELS</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HEATING</topic><topic>INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL</topic><topic>JOINTS OR FITTINGS FOR PIPES</topic><topic>LIGHTING</topic><topic>LUBRICANTS</topic><topic>LUBRICATING COMPOSITIONS</topic><topic>MEANS FOR THERMAL INSULATION IN GENERAL</topic><topic>MECHANICAL ENGINEERING</topic><topic>METALLURGY</topic><topic>PEAT</topic><topic>PETROLEUM, GAS OR COKE INDUSTRIES</topic><topic>PIPES</topic><topic>PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS</topic><topic>SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING</topic><topic>SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION</topic><topic>TECHNICAL GASES CONTAINING CARBON MONOXIDE</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>GOTO KUNIO</creatorcontrib><creatorcontrib>NAGASAKU SIGEO</creatorcontrib><creatorcontrib>ANRAKU TOSIRO</creatorcontrib><creatorcontrib>MATSUMOTO KEISI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>GOTO KUNIO</au><au>NAGASAKU SIGEO</au><au>ANRAKU TOSIRO</au><au>MATSUMOTO KEISI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>THREADED JOINT FOR STEEL PIPES</title><date>2005-10-10</date><risdate>2005</risdate><abstract>FIELD: threaded joints for steel pipes. ^ SUBSTANCE: proposed threaded joint has dowel pin and bush with contact surface each; contact surface includes section with thread and section without thread which is used for contact with metal. Contact surface of at least only dowel pin or only bush is coated with primer layer over which covering lubricating layer is applied. Primer layer is just coat made from porous metal at porosity of 5-80% and thickness of 1-30 mcm. Lubricating coat is made in form of solid coat practically free from powders of hard metals. Maximum total thickness of primer layer and lubricating layer is 100 mcm. Proposed threaded joint for steel pipes ensures hermetic " metal-to-metal" joint and withstands repeated screwing and unscrewing without application of liquid lubricant. ^ EFFECT: enhanced reliability. ^ 6 cl, 4 dwg</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | APPARATUS THEREFOR BLASTING CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL ELECTROFORMING ELECTROLYTIC OR ELECTROPHORETIC PROCESSES ENGINEERING ELEMENTS AND UNITS FUELS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL JOINTS OR FITTINGS FOR PIPES LIGHTING LUBRICANTS LUBRICATING COMPOSITIONS MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING METALLURGY PEAT PETROLEUM, GAS OR COKE INDUSTRIES PIPES PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TECHNICAL GASES CONTAINING CARBON MONOXIDE THERMAL INSULATION IN GENERAL USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION WEAPONS |
| title | THREADED JOINT FOR STEEL PIPES |
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