MANUFACTURE OF HIGH STRENGTH HARDENED TUBE FOR AUTOMOBILE DOOR REINFORCING MATERIAL
PURPOSE:To obtain a door reinforcing material such as an impact bar excellent in mechanical properties and rustproofing properties by improving the rust proofing properties on the surface at the inner peripheral side of a high strength hardened steel tube which the formation of a coating film is har...
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| creator | HIGO YUICHI MOGAMI FUMIO |
| description | PURPOSE:To obtain a door reinforcing material such as an impact bar excellent in mechanical properties and rustproofing properties by improving the rust proofing properties on the surface at the inner peripheral side of a high strength hardened steel tube which the formation of a coating film is hard. CONSTITUTION:A resistance welded steel tube obtd. from a steel essentially consisting of, by weight, 0.10 to 0.30% C, 0.05 to 0.50% Si and 0.20 to 1.50% Mn and furthermore contg. Cr, B or the like is cut into a short-length steel tube 10 with a product length, and after that, the opening parts 11 and 12 of both ends are subjected to forming such as flattening. This short-length steel tube is subjected to high-frequency induction hardening to obtain the objective reinforcing material having >=130kgf/mm tensile strength. Or, it is also possible that a long-length steel tube having a length integrally multiplied that of the product is hardened and is thereafter cut into a prescribed product length to form a short-length steel tube. |
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CONSTITUTION:A resistance welded steel tube obtd. from a steel essentially consisting of, by weight, 0.10 to 0.30% C, 0.05 to 0.50% Si and 0.20 to 1.50% Mn and furthermore contg. Cr, B or the like is cut into a short-length steel tube 10 with a product length, and after that, the opening parts 11 and 12 of both ends are subjected to forming such as flattening. This short-length steel tube is subjected to high-frequency induction hardening to obtain the objective reinforcing material having >=130kgf/mm tensile strength. Or, it is also possible that a long-length steel tube having a length integrally multiplied that of the product is hardened and is thereafter cut into a prescribed product length to form a short-length steel tube.</description><language>eng</language><subject>ALLOYS ; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL ; CHEMISTRY ; FERROUS OR NON-FERROUS ALLOYS ; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS ; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS ; MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING ; MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL ; METALLURGY ; METALLURGY OF IRON ; MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS ; PERFORMING OPERATIONS ; PUNCHING METAL ; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FORVEHICLES ; TRANSPORTING ; TREATMENT OF ALLOYS OR NON-FERROUS METALS ; VEHICLES IN GENERAL ; VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR ; WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILARDEVICES FOR VEHICLES ; WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL</subject><creationdate>1993</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=19930319&DB=EPODOC&CC=JP&NR=H0565531A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19930319&DB=EPODOC&CC=JP&NR=H0565531A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HIGO YUICHI</creatorcontrib><creatorcontrib>MOGAMI FUMIO</creatorcontrib><title>MANUFACTURE OF HIGH STRENGTH HARDENED TUBE FOR AUTOMOBILE DOOR REINFORCING MATERIAL</title><description>PURPOSE:To obtain a door reinforcing material such as an impact bar excellent in mechanical properties and rustproofing properties by improving the rust proofing properties on the surface at the inner peripheral side of a high strength hardened steel tube which the formation of a coating film is hard. CONSTITUTION:A resistance welded steel tube obtd. from a steel essentially consisting of, by weight, 0.10 to 0.30% C, 0.05 to 0.50% Si and 0.20 to 1.50% Mn and furthermore contg. Cr, B or the like is cut into a short-length steel tube 10 with a product length, and after that, the opening parts 11 and 12 of both ends are subjected to forming such as flattening. This short-length steel tube is subjected to high-frequency induction hardening to obtain the objective reinforcing material having >=130kgf/mm tensile strength. Or, it is also possible that a long-length steel tube having a length integrally multiplied that of the product is hardened and is thereafter cut into a prescribed product length to form a short-length steel tube.</description><subject>ALLOYS</subject><subject>AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL</subject><subject>CHEMISTRY</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS</subject><subject>MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS</subject><subject>MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING</subject><subject>MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL</subject><subject>METALLURGY</subject><subject>METALLURGY OF IRON</subject><subject>MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS</subject><subject>PERFORMING OPERATIONS</subject><subject>PUNCHING METAL</subject><subject>REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FORVEHICLES</subject><subject>TRANSPORTING</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><subject>VEHICLES IN GENERAL</subject><subject>VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR</subject><subject>WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILARDEVICES FOR VEHICLES</subject><subject>WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1993</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNikEKwjAQAHPxIOof9gOCUuJ922yykSaRdHMuReJJtFD_jz34AE_DDLNVQ8BYLHZSMkGywN4xDJIpOmFgzIYiGZDSEtiUAYukkFrfE5i0eiYf19756CCgUPbY79XmMT2Xevhxp8CSdHys83usyzzd66t-xuuNT_qidXPG5o_lC6SNL6c</recordid><startdate>19930319</startdate><enddate>19930319</enddate><creator>HIGO YUICHI</creator><creator>MOGAMI FUMIO</creator><scope>EVB</scope></search><sort><creationdate>19930319</creationdate><title>MANUFACTURE OF HIGH STRENGTH HARDENED TUBE FOR AUTOMOBILE DOOR REINFORCING MATERIAL</title><author>HIGO YUICHI ; MOGAMI FUMIO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH0565531A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1993</creationdate><topic>ALLOYS</topic><topic>AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL</topic><topic>CHEMISTRY</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS</topic><topic>MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS</topic><topic>MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING</topic><topic>MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL</topic><topic>METALLURGY</topic><topic>METALLURGY OF IRON</topic><topic>MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS</topic><topic>PERFORMING OPERATIONS</topic><topic>PUNCHING METAL</topic><topic>REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FORVEHICLES</topic><topic>TRANSPORTING</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><topic>VEHICLES IN GENERAL</topic><topic>VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR</topic><topic>WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILARDEVICES FOR VEHICLES</topic><topic>WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL</topic><toplevel>online_resources</toplevel><creatorcontrib>HIGO YUICHI</creatorcontrib><creatorcontrib>MOGAMI FUMIO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HIGO YUICHI</au><au>MOGAMI FUMIO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>MANUFACTURE OF HIGH STRENGTH HARDENED TUBE FOR AUTOMOBILE DOOR REINFORCING MATERIAL</title><date>1993-03-19</date><risdate>1993</risdate><abstract>PURPOSE:To obtain a door reinforcing material such as an impact bar excellent in mechanical properties and rustproofing properties by improving the rust proofing properties on the surface at the inner peripheral side of a high strength hardened steel tube which the formation of a coating film is hard. CONSTITUTION:A resistance welded steel tube obtd. from a steel essentially consisting of, by weight, 0.10 to 0.30% C, 0.05 to 0.50% Si and 0.20 to 1.50% Mn and furthermore contg. Cr, B or the like is cut into a short-length steel tube 10 with a product length, and after that, the opening parts 11 and 12 of both ends are subjected to forming such as flattening. This short-length steel tube is subjected to high-frequency induction hardening to obtain the objective reinforcing material having >=130kgf/mm tensile strength. Or, it is also possible that a long-length steel tube having a length integrally multiplied that of the product is hardened and is thereafter cut into a prescribed product length to form a short-length steel tube.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ALLOYS AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL CHEMISTRY FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERFORMING OPERATIONS PUNCHING METAL REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FORVEHICLES TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILARDEVICES FOR VEHICLES WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL |
| title | MANUFACTURE OF HIGH STRENGTH HARDENED TUBE FOR AUTOMOBILE DOOR REINFORCING MATERIAL |
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