STEEL WIRE FOR SPRING AND METHOD FOR MANUFACTURING SAME
A steel wire for a spring, in which the sag resistance and the fatigue characteristics are improved by production processes without addition of alloy elements, is provided. The spring has a structure obtained by quenching and tempering and includes a first layer at a surface thereof, a second layer...
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| creator | FUCHIGAMI, Hirokuni |
| description | A steel wire for a spring, in which the sag resistance and the fatigue characteristics are improved by production processes without addition of alloy elements, is provided. The spring has a structure obtained by quenching and tempering and includes a first layer at a surface thereof, a second layer interior to the first layer, and a third layer, which is interior to the second layer and reaches a center of the spring, and the second layer has lower hardness than the first and the third layers. |
| format | Patent |
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The spring has a structure obtained by quenching and tempering and includes a first layer at a surface thereof, a second layer interior to the first layer, and a third layer, which is interior to the second layer and reaches a center of the spring, and the second layer has lower hardness than the first and the third layers.</description><language>eng ; fre ; ger</language><subject>ALLOYS ; BLASTING ; CHEMISTRY ; ENGINEERING ELEMENTS AND UNITS ; FERROUS OR NON-FERROUS ALLOYS ; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; LIGHTING ; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS ; MEANS FOR DAMPING VIBRATION ; MECHANICAL ENGINEERING ; METALLURGY ; METALLURGY OF IRON ; MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS ; SHOCK-ABSORBERS ; SPRINGS ; THERMAL INSULATION IN GENERAL ; TREATMENT OF ALLOYS OR NON-FERROUS METALS ; WEAPONS</subject><creationdate>2018</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=20181205&DB=EPODOC&CC=EP&NR=3409809A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20181205&DB=EPODOC&CC=EP&NR=3409809A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>FUCHIGAMI, Hirokuni</creatorcontrib><title>STEEL WIRE FOR SPRING AND METHOD FOR MANUFACTURING SAME</title><description>A steel wire for a spring, in which the sag resistance and the fatigue characteristics are improved by production processes without addition of alloy elements, is provided. The spring has a structure obtained by quenching and tempering and includes a first layer at a surface thereof, a second layer interior to the first layer, and a third layer, which is interior to the second layer and reaches a center of the spring, and the second layer has lower hardness than the first and the third layers.</description><subject>ALLOYS</subject><subject>BLASTING</subject><subject>CHEMISTRY</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS</subject><subject>MEANS FOR DAMPING VIBRATION</subject><subject>MECHANICAL ENGINEERING</subject><subject>METALLURGY</subject><subject>METALLURGY OF IRON</subject><subject>MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS</subject><subject>SHOCK-ABSORBERS</subject><subject>SPRINGS</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2018</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDAPDnF19VEI9wxyVXDzD1IIDgjy9HNXcPRzUfB1DfHwdwGL-jr6hbo5OoeEgiWDHX1deRhY0xJzilN5oTQ3g4Kba4izh25qQX58anFBYnJqXmpJvGuAsYmBpYWBpaOhMRFKANqqJ6s</recordid><startdate>20181205</startdate><enddate>20181205</enddate><creator>FUCHIGAMI, Hirokuni</creator><scope>EVB</scope></search><sort><creationdate>20181205</creationdate><title>STEEL WIRE FOR SPRING AND METHOD FOR MANUFACTURING SAME</title><author>FUCHIGAMI, Hirokuni</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP3409809A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2018</creationdate><topic>ALLOYS</topic><topic>BLASTING</topic><topic>CHEMISTRY</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS</topic><topic>MEANS FOR DAMPING VIBRATION</topic><topic>MECHANICAL ENGINEERING</topic><topic>METALLURGY</topic><topic>METALLURGY OF IRON</topic><topic>MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS</topic><topic>SHOCK-ABSORBERS</topic><topic>SPRINGS</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>FUCHIGAMI, Hirokuni</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>FUCHIGAMI, Hirokuni</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>STEEL WIRE FOR SPRING AND METHOD FOR MANUFACTURING SAME</title><date>2018-12-05</date><risdate>2018</risdate><abstract>A steel wire for a spring, in which the sag resistance and the fatigue characteristics are improved by production processes without addition of alloy elements, is provided. The spring has a structure obtained by quenching and tempering and includes a first layer at a surface thereof, a second layer interior to the first layer, and a third layer, which is interior to the second layer and reaches a center of the spring, and the second layer has lower hardness than the first and the third layers.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | ALLOYS BLASTING CHEMISTRY ENGINEERING ELEMENTS AND UNITS FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MEANS FOR DAMPING VIBRATION MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS SHOCK-ABSORBERS SPRINGS THERMAL INSULATION IN GENERAL TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS |
| title | STEEL WIRE FOR SPRING AND METHOD FOR MANUFACTURING SAME |
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