METHOD FOR RELIEVING RESIDUAL STRESS
PURPOSE:To relieve the residual stress in a welded joint at a low heating temp. by placing a heating coil around the joint to heat the joint, arranging electromagnetic coils so that they confront each other on both sides of the joint at an interval, and supplying DC to one of the coils and AC to the...
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| creator | SHIMAMOTO TAKIJIRO |
| description | PURPOSE:To relieve the residual stress in a welded joint at a low heating temp. by placing a heating coil around the joint to heat the joint, arranging electromagnetic coils so that they confront each other on both sides of the joint at an interval, and supplying DC to one of the coils and AC to the other. CONSTITUTION:A high frequency heating coil 3 is placed around a welded joint 2 in a steel pipe 1, and high frequency power is applied to the coil 3 from a high frequency power source 4 to heat the joint 2 to 300-500 deg.C. Electromagnetic coils 5, 7 are arranged so that they confront each other on both sides of the joint 2 at an interval, AC is supplied to the coil 5 from a power source 6 to generate AC magnetic flux 9 in the steel pipe 1, and DC is supplied to the coil 7 from a power source 8 to generate DC magnetic flux 10 in the steel pipe 1. |
| format | Patent |
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CONSTITUTION:A high frequency heating coil 3 is placed around a welded joint 2 in a steel pipe 1, and high frequency power is applied to the coil 3 from a high frequency power source 4 to heat the joint 2 to 300-500 deg.C. Electromagnetic coils 5, 7 are arranged so that they confront each other on both sides of the joint 2 at an interval, AC is supplied to the coil 5 from a power source 6 to generate AC magnetic flux 9 in the steel pipe 1, and DC is supplied to the coil 7 from a power source 8 to generate DC magnetic flux 10 in the steel pipe 1.</description><language>eng</language><subject>CHEMISTRY ; CLADDING OR PLATING BY SOLDERING OR WELDING ; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS ; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; MACHINE TOOLS ; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS ; METAL-WORKING NOT OTHERWISE PROVIDED FOR ; METALLURGY ; METALLURGY OF IRON ; MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS ; PERFORMING OPERATIONS ; SOLDERING OR UNSOLDERING ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE ; TRANSPORTING ; WELDING ; WORKING BY LASER BEAM</subject><creationdate>1986</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=19861210&DB=EPODOC&CC=JP&NR=S61279629A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19861210&DB=EPODOC&CC=JP&NR=S61279629A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SHIMAMOTO TAKIJIRO</creatorcontrib><title>METHOD FOR RELIEVING RESIDUAL STRESS</title><description>PURPOSE:To relieve the residual stress in a welded joint at a low heating temp. by placing a heating coil around the joint to heat the joint, arranging electromagnetic coils so that they confront each other on both sides of the joint at an interval, and supplying DC to one of the coils and AC to the other. CONSTITUTION:A high frequency heating coil 3 is placed around a welded joint 2 in a steel pipe 1, and high frequency power is applied to the coil 3 from a high frequency power source 4 to heat the joint 2 to 300-500 deg.C. Electromagnetic coils 5, 7 are arranged so that they confront each other on both sides of the joint 2 at an interval, AC is supplied to the coil 5 from a power source 6 to generate AC magnetic flux 9 in the steel pipe 1, and DC is supplied to the coil 7 from a power source 8 to generate DC magnetic flux 10 in the steel pipe 1.</description><subject>CHEMISTRY</subject><subject>CLADDING OR PLATING BY SOLDERING OR WELDING</subject><subject>CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS</subject><subject>CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING</subject><subject>GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS</subject><subject>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</subject><subject>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</subject><subject>MACHINE TOOLS</subject><subject>MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS</subject><subject>METAL-WORKING NOT OTHERWISE PROVIDED FOR</subject><subject>METALLURGY</subject><subject>METALLURGY OF IRON</subject><subject>MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS</subject><subject>PERFORMING OPERATIONS</subject><subject>SOLDERING OR UNSOLDERING</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</subject><subject>TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</subject><subject>TRANSPORTING</subject><subject>WELDING</subject><subject>WORKING BY LASER BEAM</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1986</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFDxdQ3x8HdRcPMPUghy9fF0DfP0cweygj1dQh19FIJDgMxgHgbWtMSc4lReKM3NoOjmGuLsoZtakB-fWlyQmJyal1oS7xUQbGZoZG5pZmTpaEyMGgCQYCOB</recordid><startdate>19861210</startdate><enddate>19861210</enddate><creator>SHIMAMOTO TAKIJIRO</creator><scope>EVB</scope></search><sort><creationdate>19861210</creationdate><title>METHOD FOR RELIEVING RESIDUAL STRESS</title><author>SHIMAMOTO TAKIJIRO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPS61279629A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1986</creationdate><topic>CHEMISTRY</topic><topic>CLADDING OR PLATING BY SOLDERING OR WELDING</topic><topic>CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS</topic><topic>CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING</topic><topic>GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS</topic><topic>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</topic><topic>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</topic><topic>MACHINE TOOLS</topic><topic>MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS</topic><topic>METAL-WORKING NOT OTHERWISE PROVIDED FOR</topic><topic>METALLURGY</topic><topic>METALLURGY OF IRON</topic><topic>MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS</topic><topic>PERFORMING OPERATIONS</topic><topic>SOLDERING OR UNSOLDERING</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</topic><topic>TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</topic><topic>TRANSPORTING</topic><topic>WELDING</topic><topic>WORKING BY LASER BEAM</topic><toplevel>online_resources</toplevel><creatorcontrib>SHIMAMOTO TAKIJIRO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SHIMAMOTO TAKIJIRO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METHOD FOR RELIEVING RESIDUAL STRESS</title><date>1986-12-10</date><risdate>1986</risdate><abstract>PURPOSE:To relieve the residual stress in a welded joint at a low heating temp. by placing a heating coil around the joint to heat the joint, arranging electromagnetic coils so that they confront each other on both sides of the joint at an interval, and supplying DC to one of the coils and AC to the other. CONSTITUTION:A high frequency heating coil 3 is placed around a welded joint 2 in a steel pipe 1, and high frequency power is applied to the coil 3 from a high frequency power source 4 to heat the joint 2 to 300-500 deg.C. Electromagnetic coils 5, 7 are arranged so that they confront each other on both sides of the joint 2 at an interval, AC is supplied to the coil 5 from a power source 6 to generate AC magnetic flux 9 in the steel pipe 1, and DC is supplied to the coil 7 from a power source 8 to generate DC magnetic flux 10 in the steel pipe 1.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MACHINE TOOLS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING WELDING WORKING BY LASER BEAM |
| title | METHOD FOR RELIEVING RESIDUAL STRESS |
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