CASTING APPARATUS
PURPOSE:To raise pressure of molten metal for a short time after filling up the molten into a cavity by specifying respectively a cooling mechanism of a molten metal supplying sleeve and an interval between outer circumferential face of a pressurized tip of plunger and inner circumferential face. CO...
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| creator | ITO SHIGETOSHI HAMASHIMA TOSHIO KAWASE AKIO SHIBATA KIYOSHI |
| description | PURPOSE:To raise pressure of molten metal for a short time after filling up the molten into a cavity by specifying respectively a cooling mechanism of a molten metal supplying sleeve and an interval between outer circumferential face of a pressurized tip of plunger and inner circumferential face. CONSTITUTION:The molten metal is supplied into the molten metal supplying sleeve 6 from a molten metal supplying passage 9 through the pouring basin 3 and filled up into a cavity 4 through a runner 5 by ascending the plunger 7 and after pressurizing the molten metal by further ascending the plunger 7, the molten metal is perfectly solidified. Then, a cooling function of the cooling mechanism C of the molten metal supplying sleeve 6 is constituted so as to gradually decrease from upper part to lower part of the molten metal supplying sleeve 6. The interval (d) between the outer circumferential face of the pressurizing tip 7a at upper end of the plunger 7 and the inner circumferential face of the molten metal supplying sleeve 6 is set to wider than the sum of the thicknesses of solidified film f1-f3 formed on the outer circumferential face of the pressurized tip 7a and the inner circumferential face of the molten metal supplying sleeve 6. By this method, the pressure of the molten metal is raised for a short time and the casting efficiency is improved and quality of the casting is made to good. |
| format | Patent |
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CONSTITUTION:The molten metal is supplied into the molten metal supplying sleeve 6 from a molten metal supplying passage 9 through the pouring basin 3 and filled up into a cavity 4 through a runner 5 by ascending the plunger 7 and after pressurizing the molten metal by further ascending the plunger 7, the molten metal is perfectly solidified. Then, a cooling function of the cooling mechanism C of the molten metal supplying sleeve 6 is constituted so as to gradually decrease from upper part to lower part of the molten metal supplying sleeve 6. The interval (d) between the outer circumferential face of the pressurizing tip 7a at upper end of the plunger 7 and the inner circumferential face of the molten metal supplying sleeve 6 is set to wider than the sum of the thicknesses of solidified film f1-f3 formed on the outer circumferential face of the pressurized tip 7a and the inner circumferential face of the molten metal supplying sleeve 6. By this method, the pressure of the molten metal is raised for a short time and the casting efficiency is improved and quality of the casting is made to good.</description><language>eng</language><subject>CASTING ; CASTING OF METALS ; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES ; PERFORMING OPERATIONS ; POWDER METALLURGY ; TRANSPORTING</subject><creationdate>1988</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=19881007&DB=EPODOC&CC=JP&NR=S63242457A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25568,76551</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19881007&DB=EPODOC&CC=JP&NR=S63242457A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ITO SHIGETOSHI</creatorcontrib><creatorcontrib>HAMASHIMA TOSHIO</creatorcontrib><creatorcontrib>KAWASE AKIO</creatorcontrib><creatorcontrib>SHIBATA KIYOSHI</creatorcontrib><title>CASTING APPARATUS</title><description>PURPOSE:To raise pressure of molten metal for a short time after filling up the molten into a cavity by specifying respectively a cooling mechanism of a molten metal supplying sleeve and an interval between outer circumferential face of a pressurized tip of plunger and inner circumferential face. 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By this method, the pressure of the molten metal is raised for a short time and the casting efficiency is improved and quality of the casting is made to good.</description><subject>CASTING</subject><subject>CASTING OF METALS</subject><subject>CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES</subject><subject>PERFORMING OPERATIONS</subject><subject>POWDER METALLURGY</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1988</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBB0dgwO8fRzV3AMCHAMcgwJDeZhYE1LzClO5YXS3AyKbq4hzh66qQX58anFBYnJqXmpJfFeAcFmxkYmRiam5o7GxKgBAC5OHiw</recordid><startdate>19881007</startdate><enddate>19881007</enddate><creator>ITO SHIGETOSHI</creator><creator>HAMASHIMA TOSHIO</creator><creator>KAWASE AKIO</creator><creator>SHIBATA KIYOSHI</creator><scope>EVB</scope></search><sort><creationdate>19881007</creationdate><title>CASTING APPARATUS</title><author>ITO SHIGETOSHI ; HAMASHIMA TOSHIO ; KAWASE AKIO ; SHIBATA KIYOSHI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPS63242457A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1988</creationdate><topic>CASTING</topic><topic>CASTING OF METALS</topic><topic>CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES</topic><topic>PERFORMING OPERATIONS</topic><topic>POWDER METALLURGY</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>ITO SHIGETOSHI</creatorcontrib><creatorcontrib>HAMASHIMA TOSHIO</creatorcontrib><creatorcontrib>KAWASE AKIO</creatorcontrib><creatorcontrib>SHIBATA KIYOSHI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ITO SHIGETOSHI</au><au>HAMASHIMA TOSHIO</au><au>KAWASE AKIO</au><au>SHIBATA KIYOSHI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>CASTING APPARATUS</title><date>1988-10-07</date><risdate>1988</risdate><abstract>PURPOSE:To raise pressure of molten metal for a short time after filling up the molten into a cavity by specifying respectively a cooling mechanism of a molten metal supplying sleeve and an interval between outer circumferential face of a pressurized tip of plunger and inner circumferential face. CONSTITUTION:The molten metal is supplied into the molten metal supplying sleeve 6 from a molten metal supplying passage 9 through the pouring basin 3 and filled up into a cavity 4 through a runner 5 by ascending the plunger 7 and after pressurizing the molten metal by further ascending the plunger 7, the molten metal is perfectly solidified. Then, a cooling function of the cooling mechanism C of the molten metal supplying sleeve 6 is constituted so as to gradually decrease from upper part to lower part of the molten metal supplying sleeve 6. The interval (d) between the outer circumferential face of the pressurizing tip 7a at upper end of the plunger 7 and the inner circumferential face of the molten metal supplying sleeve 6 is set to wider than the sum of the thicknesses of solidified film f1-f3 formed on the outer circumferential face of the pressurized tip 7a and the inner circumferential face of the molten metal supplying sleeve 6. By this method, the pressure of the molten metal is raised for a short time and the casting efficiency is improved and quality of the casting is made to good.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING |
| title | CASTING APPARATUS |
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