Process for increasing the wall thickness in hollow sections
The invention relates to a process for producing a region of greater wall thickness in a longitudinal hollow section (1) which, to this end, is subjected to a radial and axial pressure and plastically deformed thereby. The hollow section (1) is secured in a matrix (2) corresponding to the section di...
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| creator | OSWALD JURGEN HALDENWANGER HANS-G NTHER WENZEL HOLGER FISCHER FRANK |
| description | The invention relates to a process for producing a region of greater wall thickness in a longitudinal hollow section (1) which, to this end, is subjected to a radial and axial pressure and plastically deformed thereby. The hollow section (1) is secured in a matrix (2) corresponding to the section dimensions which has an enlarged cross section corresponding to the intended final dimensions of the hollow section (1) in the deformation region. The essential embodiment consists in that the deformation to attain an increased wall thickness (14) takes place in a region between the ends of the section. In addition, the wall thickness (19) can be increased at at least one of the ends of the section. |
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The hollow section (1) is secured in a matrix (2) corresponding to the section dimensions which has an enlarged cross section corresponding to the intended final dimensions of the hollow section (1) in the deformation region. The essential embodiment consists in that the deformation to attain an increased wall thickness (14) takes place in a region between the ends of the section. In addition, the wall thickness (19) can be increased at at least one of the ends of the section.</description><edition>7</edition><language>eng</language><subject>BLASTING ; ENGINEERING ELEMENTS AND UNITS ; FORGE FURNACES ; FORGING ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; HAMMERING ; HEATING ; JOINTS OR FITTINGS FOR PIPES ; LIGHTING ; MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS ; MEANS FOR THERMAL INSULATION IN GENERAL ; MECHANICAL ENGINEERING ; MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL ; PERFORMING OPERATIONS ; PIPES ; PRESSING METAL ; PUNCHING METAL ; RIVETING ; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING ; TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ; TECHNICAL SUBJECTS COVERED BY FORMER USPC ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; THERMAL INSULATION IN GENERAL ; TRANSPORTING ; WEAPONS ; WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL</subject><creationdate>2001</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=20011127&DB=EPODOC&CC=US&NR=6321581B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20011127&DB=EPODOC&CC=US&NR=6321581B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>OSWALD JURGEN</creatorcontrib><creatorcontrib>HALDENWANGER HANS-G NTHER</creatorcontrib><creatorcontrib>WENZEL HOLGER</creatorcontrib><creatorcontrib>FISCHER FRANK</creatorcontrib><title>Process for increasing the wall thickness in hollow sections</title><description>The invention relates to a process for producing a region of greater wall thickness in a longitudinal hollow section (1) which, to this end, is subjected to a radial and axial pressure and plastically deformed thereby. The hollow section (1) is secured in a matrix (2) corresponding to the section dimensions which has an enlarged cross section corresponding to the intended final dimensions of the hollow section (1) in the deformation region. The essential embodiment consists in that the deformation to attain an increased wall thickness (14) takes place in a region between the ends of the section. In addition, the wall thickness (19) can be increased at at least one of the ends of the section.</description><subject>BLASTING</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>FORGE FURNACES</subject><subject>FORGING</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</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>HAMMERING</subject><subject>HEATING</subject><subject>JOINTS OR FITTINGS FOR PIPES</subject><subject>LIGHTING</subject><subject>MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS</subject><subject>MEANS FOR THERMAL INSULATION IN GENERAL</subject><subject>MECHANICAL ENGINEERING</subject><subject>MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL</subject><subject>PERFORMING OPERATIONS</subject><subject>PIPES</subject><subject>PRESSING METAL</subject><subject>PUNCHING METAL</subject><subject>RIVETING</subject><subject>SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</subject><subject>THERMAL INSULATION IN GENERAL</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>2001</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLAJKMpPTi0uVkjLL1LIzEsuSk0szsxLVyjJSFUoT8zJATIyk7PzQCoy8xQy8nNy8ssVilOTSzLz84p5GFjTEnOKU3mhNDeDgptriLOHbmpBfnxqcUFicmpeakl8aLCZsZGhqYWhk6ExEUoAonwvwQ</recordid><startdate>20011127</startdate><enddate>20011127</enddate><creator>OSWALD JURGEN</creator><creator>HALDENWANGER HANS-G NTHER</creator><creator>WENZEL HOLGER</creator><creator>FISCHER FRANK</creator><scope>EVB</scope></search><sort><creationdate>20011127</creationdate><title>Process for increasing the wall thickness in hollow sections</title><author>OSWALD JURGEN ; HALDENWANGER HANS-G NTHER ; WENZEL HOLGER ; FISCHER FRANK</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US6321581B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2001</creationdate><topic>BLASTING</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>FORGE FURNACES</topic><topic>FORGING</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</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>HAMMERING</topic><topic>HEATING</topic><topic>JOINTS OR FITTINGS FOR PIPES</topic><topic>LIGHTING</topic><topic>MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS</topic><topic>MEANS FOR THERMAL INSULATION IN GENERAL</topic><topic>MECHANICAL ENGINEERING</topic><topic>MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL</topic><topic>PERFORMING OPERATIONS</topic><topic>PIPES</topic><topic>PRESSING METAL</topic><topic>PUNCHING METAL</topic><topic>RIVETING</topic><topic>SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</topic><topic>THERMAL INSULATION IN GENERAL</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>OSWALD JURGEN</creatorcontrib><creatorcontrib>HALDENWANGER HANS-G NTHER</creatorcontrib><creatorcontrib>WENZEL HOLGER</creatorcontrib><creatorcontrib>FISCHER FRANK</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>OSWALD JURGEN</au><au>HALDENWANGER HANS-G NTHER</au><au>WENZEL HOLGER</au><au>FISCHER FRANK</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Process for increasing the wall thickness in hollow sections</title><date>2001-11-27</date><risdate>2001</risdate><abstract>The invention relates to a process for producing a region of greater wall thickness in a longitudinal hollow section (1) which, to this end, is subjected to a radial and axial pressure and plastically deformed thereby. The hollow section (1) is secured in a matrix (2) corresponding to the section dimensions which has an enlarged cross section corresponding to the intended final dimensions of the hollow section (1) in the deformation region. The essential embodiment consists in that the deformation to attain an increased wall thickness (14) takes place in a region between the ends of the section. In addition, the wall thickness (19) can be increased at at least one of the ends of the section.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING ENGINEERING ELEMENTS AND UNITS FORGE FURNACES FORGING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HAMMERING HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PIPES PRESSING METAL PUNCHING METAL RIVETING SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL |
| title | Process for increasing the wall thickness in hollow sections |
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