METHOD FOR MAKING TUBES WITH SHAPED OUTER ENDS
FIELD: plastic metal working, possibly manufacture and repairing of tube bundles of heat exchange apparatuses. SUBSTANCE: method comprises steps of preliminarily forming calibrated portion by expanding tube end in order to receive its outer diameter exceeding diameter of opening of detachable die in...
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| creator | KOZIJ S.S BATRAEV G.A KOZIJ S.I |
| description | FIELD: plastic metal working, possibly manufacture and repairing of tube bundles of heat exchange apparatuses. SUBSTANCE: method comprises steps of preliminarily forming calibrated portion by expanding tube end in order to receive its outer diameter exceeding diameter of opening of detachable die in closed state; realizing two-stage reduction of calibrated portion along length less than its initial length in order to form bearing portion and portion having first step arranged on tube end and second step; fixing tube against possible motion by reducing bearing portion due to applying radial effort to it; expanding tube along first step of bearing portion to diameter equal to that of second step; forming annular protrusion at applying axial compression effort to tube end. EFFECT: lowered deforming efforts. 5 dwg |
| format | Patent |
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SUBSTANCE: method comprises steps of preliminarily forming calibrated portion by expanding tube end in order to receive its outer diameter exceeding diameter of opening of detachable die in closed state; realizing two-stage reduction of calibrated portion along length less than its initial length in order to form bearing portion and portion having first step arranged on tube end and second step; fixing tube against possible motion by reducing bearing portion due to applying radial effort to it; expanding tube along first step of bearing portion to diameter equal to that of second step; forming annular protrusion at applying axial compression effort to tube end. EFFECT: lowered deforming efforts. 5 dwg</description><edition>7</edition><language>eng ; rus</language><subject>BLASTING ; DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION ; HEAT EXCHANGE IN GENERAL ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL ; PERFORMING OPERATIONS ; PUNCHING METAL ; TRANSPORTING ; WEAPONS ; WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL</subject><creationdate>2003</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=20030210&DB=EPODOC&CC=RU&NR=2198052C2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20030210&DB=EPODOC&CC=RU&NR=2198052C2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KOZIJ S.S</creatorcontrib><creatorcontrib>BATRAEV G.A</creatorcontrib><creatorcontrib>KOZIJ S.I</creatorcontrib><title>METHOD FOR MAKING TUBES WITH SHAPED OUTER ENDS</title><description>FIELD: plastic metal working, possibly manufacture and repairing of tube bundles of heat exchange apparatuses. SUBSTANCE: method comprises steps of preliminarily forming calibrated portion by expanding tube end in order to receive its outer diameter exceeding diameter of opening of detachable die in closed state; realizing two-stage reduction of calibrated portion along length less than its initial length in order to form bearing portion and portion having first step arranged on tube end and second step; fixing tube against possible motion by reducing bearing portion due to applying radial effort to it; expanding tube along first step of bearing portion to diameter equal to that of second step; forming annular protrusion at applying axial compression effort to tube end. EFFECT: lowered deforming efforts. 5 dwg</description><subject>BLASTING</subject><subject>DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION</subject><subject>HEAT EXCHANGE IN GENERAL</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL</subject><subject>PERFORMING OPERATIONS</subject><subject>PUNCHING METAL</subject><subject>TRANSPORTING</subject><subject>WEAPONS</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>2003</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNDzdQ3x8HdRcPMPUvB19Pb0c1cICXVyDVYI9wzxUAj2cAxwdVHwDw1xDVJw9XMJ5mFgTUvMKU7lhdLcDApuriHOHrqpBfnxqcUFicmpeakl8UGhRoaWFgamRs5GxkQoAQCHWyVJ</recordid><startdate>20030210</startdate><enddate>20030210</enddate><creator>KOZIJ S.S</creator><creator>BATRAEV G.A</creator><creator>KOZIJ S.I</creator><scope>EVB</scope></search><sort><creationdate>20030210</creationdate><title>METHOD FOR MAKING TUBES WITH SHAPED OUTER ENDS</title><author>KOZIJ S.S ; BATRAEV G.A ; KOZIJ S.I</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_RU2198052C23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; rus</language><creationdate>2003</creationdate><topic>BLASTING</topic><topic>DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION</topic><topic>HEAT EXCHANGE IN GENERAL</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL</topic><topic>PERFORMING OPERATIONS</topic><topic>PUNCHING METAL</topic><topic>TRANSPORTING</topic><topic>WEAPONS</topic><topic>WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL</topic><toplevel>online_resources</toplevel><creatorcontrib>KOZIJ S.S</creatorcontrib><creatorcontrib>BATRAEV G.A</creatorcontrib><creatorcontrib>KOZIJ S.I</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KOZIJ S.S</au><au>BATRAEV G.A</au><au>KOZIJ S.I</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METHOD FOR MAKING TUBES WITH SHAPED OUTER ENDS</title><date>2003-02-10</date><risdate>2003</risdate><abstract>FIELD: plastic metal working, possibly manufacture and repairing of tube bundles of heat exchange apparatuses. SUBSTANCE: method comprises steps of preliminarily forming calibrated portion by expanding tube end in order to receive its outer diameter exceeding diameter of opening of detachable die in closed state; realizing two-stage reduction of calibrated portion along length less than its initial length in order to form bearing portion and portion having first step arranged on tube end and second step; fixing tube against possible motion by reducing bearing portion due to applying radial effort to it; expanding tube along first step of bearing portion to diameter equal to that of second step; forming annular protrusion at applying axial compression effort to tube end. EFFECT: lowered deforming efforts. 5 dwg</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| language | eng ; rus |
| recordid | cdi_epo_espacenet_RU2198052C2 |
| source | esp@cenet |
| subjects | BLASTING DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION HEAT EXCHANGE IN GENERAL HEATING LIGHTING MECHANICAL ENGINEERING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING WEAPONS WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL |
| title | METHOD FOR MAKING TUBES WITH SHAPED OUTER ENDS |
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