PRODUCTION OF BOLT HAVING PLANE PART ON THREAD PART
PURPOSE:To reduce the production cost by forming a threat part with the rolling of a round steel bar, then by forming the plane part by cutting the side face of the thread part with a press. CONSTITUTION:A bolt 3 is formed by pressing a steel round bar with the die for rolling and by turning it as w...
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| creator | KOIZUMI KATSUMI OSUMI KYOJI |
| description | PURPOSE:To reduce the production cost by forming a threat part with the rolling of a round steel bar, then by forming the plane part by cutting the side face of the thread part with a press. CONSTITUTION:A bolt 3 is formed by pressing a steel round bar with the die for rolling and by turning it as well. The bolt 3 is the fixed between the lower blade 7 and the pressing base 5 working the thread having the same pitch as that of the bolt 3. In succession the bolt 3is sheared between the lower blade 7 and pressing base 5 by ascending the lower blade 7 via the press. In this case the lower blade 7 is arranged so as to bite into the bolt 3 in point contact. At the beginning of the cutting no compression force is applied on the bolt 3 for generation of burrs caused with the crush of the thread. In this way, the deburring stage is eliminated, the work is quickened and the production cost is reduced. |
| format | Patent |
| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_JPS6238735A</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>JPS6238735A</sourcerecordid><originalsourceid>FETCH-epo_espacenet_JPS6238735A3</originalsourceid><addsrcrecordid>eNrjZDAOCPJ3CXUO8fT3U_B3U3Dy9wlR8HAM8_RzVwjwcfRzVQhwDApRAEqGeAS5OrqAuTwMrGmJOcWpvFCam0HBzTXE2UM3tSA_PrW4IDE5NS-1JN4rINjMyNjC3NjU0ZgIJQBHMSbR</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>PRODUCTION OF BOLT HAVING PLANE PART ON THREAD PART</title><source>esp@cenet</source><creator>KOIZUMI KATSUMI ; OSUMI KYOJI</creator><creatorcontrib>KOIZUMI KATSUMI ; OSUMI KYOJI</creatorcontrib><description>PURPOSE:To reduce the production cost by forming a threat part with the rolling of a round steel bar, then by forming the plane part by cutting the side face of the thread part with a press. CONSTITUTION:A bolt 3 is formed by pressing a steel round bar with the die for rolling and by turning it as well. The bolt 3 is the fixed between the lower blade 7 and the pressing base 5 working the thread having the same pitch as that of the bolt 3. In succession the bolt 3is sheared between the lower blade 7 and pressing base 5 by ascending the lower blade 7 via the press. In this case the lower blade 7 is arranged so as to bite into the bolt 3 in point contact. At the beginning of the cutting no compression force is applied on the bolt 3 for generation of burrs caused with the crush of the thread. In this way, the deburring stage is eliminated, the work is quickened and the production cost is reduced.</description><language>eng</language><subject>BLASTING ; DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING ; ENGINEERING ELEMENTS AND UNITS ; FORGE FURNACES ; FORGING ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HAMMERING ; HEATING ; LIGHTING ; MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS ; MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS,WHEELS, RINGS, BARRELS, BALLS ; MECHANICAL ENGINEERING ; MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL ; PERFORMING OPERATIONS ; PRESSING METAL ; PUNCHING METAL ; RIVETING ; THERMAL INSULATION IN GENERAL ; TRANSPORTING ; WEAPONS</subject><creationdate>1987</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=19870219&DB=EPODOC&CC=JP&NR=S6238735A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19870219&DB=EPODOC&CC=JP&NR=S6238735A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KOIZUMI KATSUMI</creatorcontrib><creatorcontrib>OSUMI KYOJI</creatorcontrib><title>PRODUCTION OF BOLT HAVING PLANE PART ON THREAD PART</title><description>PURPOSE:To reduce the production cost by forming a threat part with the rolling of a round steel bar, then by forming the plane part by cutting the side face of the thread part with a press. CONSTITUTION:A bolt 3 is formed by pressing a steel round bar with the die for rolling and by turning it as well. The bolt 3 is the fixed between the lower blade 7 and the pressing base 5 working the thread having the same pitch as that of the bolt 3. In succession the bolt 3is sheared between the lower blade 7 and pressing base 5 by ascending the lower blade 7 via the press. In this case the lower blade 7 is arranged so as to bite into the bolt 3 in point contact. At the beginning of the cutting no compression force is applied on the bolt 3 for generation of burrs caused with the crush of the thread. In this way, the deburring stage is eliminated, the work is quickened and the production cost is reduced.</description><subject>BLASTING</subject><subject>DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING</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>HAMMERING</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS</subject><subject>MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS,WHEELS, RINGS, BARRELS, BALLS</subject><subject>MECHANICAL ENGINEERING</subject><subject>MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL</subject><subject>PERFORMING OPERATIONS</subject><subject>PRESSING METAL</subject><subject>PUNCHING METAL</subject><subject>RIVETING</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>TRANSPORTING</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1987</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDAOCPJ3CXUO8fT3U_B3U3Dy9wlR8HAM8_RzVwjwcfRzVQhwDApRAEqGeAS5OrqAuTwMrGmJOcWpvFCam0HBzTXE2UM3tSA_PrW4IDE5NS-1JN4rINjMyNjC3NjU0ZgIJQBHMSbR</recordid><startdate>19870219</startdate><enddate>19870219</enddate><creator>KOIZUMI KATSUMI</creator><creator>OSUMI KYOJI</creator><scope>EVB</scope></search><sort><creationdate>19870219</creationdate><title>PRODUCTION OF BOLT HAVING PLANE PART ON THREAD PART</title><author>KOIZUMI KATSUMI ; OSUMI KYOJI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPS6238735A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1987</creationdate><topic>BLASTING</topic><topic>DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING</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>HAMMERING</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS</topic><topic>MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS,WHEELS, RINGS, BARRELS, BALLS</topic><topic>MECHANICAL ENGINEERING</topic><topic>MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL</topic><topic>PERFORMING OPERATIONS</topic><topic>PRESSING METAL</topic><topic>PUNCHING METAL</topic><topic>RIVETING</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>TRANSPORTING</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>KOIZUMI KATSUMI</creatorcontrib><creatorcontrib>OSUMI KYOJI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KOIZUMI KATSUMI</au><au>OSUMI KYOJI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PRODUCTION OF BOLT HAVING PLANE PART ON THREAD PART</title><date>1987-02-19</date><risdate>1987</risdate><abstract>PURPOSE:To reduce the production cost by forming a threat part with the rolling of a round steel bar, then by forming the plane part by cutting the side face of the thread part with a press. CONSTITUTION:A bolt 3 is formed by pressing a steel round bar with the die for rolling and by turning it as well. The bolt 3 is the fixed between the lower blade 7 and the pressing base 5 working the thread having the same pitch as that of the bolt 3. In succession the bolt 3is sheared between the lower blade 7 and pressing base 5 by ascending the lower blade 7 via the press. In this case the lower blade 7 is arranged so as to bite into the bolt 3 in point contact. At the beginning of the cutting no compression force is applied on the bolt 3 for generation of burrs caused with the crush of the thread. In this way, the deburring stage is eliminated, the work is quickened and the production cost is reduced.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING ENGINEERING ELEMENTS AND UNITS FORGE FURNACES FORGING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HAMMERING HEATING LIGHTING MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS,WHEELS, RINGS, BARRELS, BALLS MECHANICAL ENGINEERING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PRESSING METAL PUNCHING METAL RIVETING THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS |
| title | PRODUCTION OF BOLT HAVING PLANE PART ON THREAD PART |
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