BURRING PUNCH
PURPOSE: A burring punch is provided to prevent the end of a flange from crashing since a combined curved surface of a concave surface and a convex surface is formed on the outer circumferential of the forming unit of the burring punch. CONSTITUTION: A burring punch(100) comprises an insertion unit(...
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| creator | KIM, GONG GEE LEE, SEOK RYUL KIM, GYO SUNG SONG, KYUNG HWAN |
| description | PURPOSE: A burring punch is provided to prevent the end of a flange from crashing since a combined curved surface of a concave surface and a convex surface is formed on the outer circumferential of the forming unit of the burring punch. CONSTITUTION: A burring punch(100) comprises an insertion unit(110), a finishing unit(130), and a forming unit(120). The insertion unit and the finishing unit are extended in a length direction. The external diameter of the finishing unit is bigger than that of the insertion unit. The forming unit is connected between the insertion unit and finishing unit. The outer circumferential surface of the forming unit is formed in a combined curved surface of a convex surface(S2) and a concave surface(S1). |
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CONSTITUTION: A burring punch(100) comprises an insertion unit(110), a finishing unit(130), and a forming unit(120). The insertion unit and the finishing unit are extended in a length direction. The external diameter of the finishing unit is bigger than that of the insertion unit. The forming unit is connected between the insertion unit and finishing unit. The outer circumferential surface of the forming unit is formed in a combined curved surface of a convex surface(S2) and a concave surface(S1).</description><language>eng ; kor</language><subject>CUTTING ; CUTTING-OUT ; HAND CUTTING TOOLS ; MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL ; PERFORATING ; PERFORMING OPERATIONS ; PUNCHING ; PUNCHING METAL ; SEVERING ; SEVERING BY MEANS OTHER THAN CUTTING ; STAMPING-OUT ; TRANSPORTING ; WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL</subject><creationdate>2011</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=20110617&DB=EPODOC&CC=KR&NR=20110066633A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20110617&DB=EPODOC&CC=KR&NR=20110066633A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KIM, GONG GEE</creatorcontrib><creatorcontrib>LEE, SEOK RYUL</creatorcontrib><creatorcontrib>KIM, GYO SUNG</creatorcontrib><creatorcontrib>SONG, KYUNG HWAN</creatorcontrib><title>BURRING PUNCH</title><description>PURPOSE: A burring punch is provided to prevent the end of a flange from crashing since a combined curved surface of a concave surface and a convex surface is formed on the outer circumferential of the forming unit of the burring punch. 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The outer circumferential surface of the forming unit is formed in a combined curved surface of a convex surface(S2) and a concave surface(S1).</description><subject>CUTTING</subject><subject>CUTTING-OUT</subject><subject>HAND CUTTING TOOLS</subject><subject>MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL</subject><subject>PERFORATING</subject><subject>PERFORMING OPERATIONS</subject><subject>PUNCHING</subject><subject>PUNCHING METAL</subject><subject>SEVERING</subject><subject>SEVERING BY MEANS OTHER THAN CUTTING</subject><subject>STAMPING-OUT</subject><subject>TRANSPORTING</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>2011</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZOB1Cg0K8vRzVwgI9XP24GFgTUvMKU7lhdLcDMpuriHOHrqpBfnxqcUFicmpeakl8d5BRgaGhgYGZmZmxsaOxsSpAgAdeB1_</recordid><startdate>20110617</startdate><enddate>20110617</enddate><creator>KIM, GONG GEE</creator><creator>LEE, SEOK RYUL</creator><creator>KIM, GYO SUNG</creator><creator>SONG, KYUNG HWAN</creator><scope>EVB</scope></search><sort><creationdate>20110617</creationdate><title>BURRING PUNCH</title><author>KIM, GONG GEE ; LEE, SEOK RYUL ; KIM, GYO SUNG ; SONG, KYUNG HWAN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_KR20110066633A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; kor</language><creationdate>2011</creationdate><topic>CUTTING</topic><topic>CUTTING-OUT</topic><topic>HAND CUTTING TOOLS</topic><topic>MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL</topic><topic>PERFORATING</topic><topic>PERFORMING OPERATIONS</topic><topic>PUNCHING</topic><topic>PUNCHING METAL</topic><topic>SEVERING</topic><topic>SEVERING BY MEANS OTHER THAN CUTTING</topic><topic>STAMPING-OUT</topic><topic>TRANSPORTING</topic><topic>WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL</topic><toplevel>online_resources</toplevel><creatorcontrib>KIM, GONG GEE</creatorcontrib><creatorcontrib>LEE, SEOK RYUL</creatorcontrib><creatorcontrib>KIM, GYO SUNG</creatorcontrib><creatorcontrib>SONG, KYUNG HWAN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KIM, GONG GEE</au><au>LEE, SEOK RYUL</au><au>KIM, GYO SUNG</au><au>SONG, KYUNG HWAN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>BURRING PUNCH</title><date>2011-06-17</date><risdate>2011</risdate><abstract>PURPOSE: A burring punch is provided to prevent the end of a flange from crashing since a combined curved surface of a concave surface and a convex surface is formed on the outer circumferential of the forming unit of the burring punch. CONSTITUTION: A burring punch(100) comprises an insertion unit(110), a finishing unit(130), and a forming unit(120). The insertion unit and the finishing unit are extended in a length direction. The external diameter of the finishing unit is bigger than that of the insertion unit. The forming unit is connected between the insertion unit and finishing unit. The outer circumferential surface of the forming unit is formed in a combined curved surface of a convex surface(S2) and a concave surface(S1).</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; kor |
| recordid | cdi_epo_espacenet_KR20110066633A |
| source | esp@cenet |
| subjects | CUTTING CUTTING-OUT HAND CUTTING TOOLS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORATING PERFORMING OPERATIONS PUNCHING PUNCHING METAL SEVERING SEVERING BY MEANS OTHER THAN CUTTING STAMPING-OUT TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL |
| title | BURRING PUNCH |
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