PRODUCTION OF HIGH DENSITY SPECIAL CARBONACEOUS MATERIAL
PURPOSE:To make density high and to improve electric discharge machinability by kneading a specific carbonaceous power with coke and a binder pitch. CONSTITUTION:The carbonaceous power of 5-90% having 3-30% volatile matter, 15-20mum average particle diameter and 1-30% toluene soluble matter is mixed...
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| creator | TAKAO NORITOSHI HASHIGUCHI SHOICHI |
| description | PURPOSE:To make density high and to improve electric discharge machinability by kneading a specific carbonaceous power with coke and a binder pitch. CONSTITUTION:The carbonaceous power of 5-90% having 3-30% volatile matter, 15-20mum average particle diameter and 1-30% toluene soluble matter is mixed into a mixture of coke and the binder pitch and after kneaded at 50-300 deg.C, is baked at 800-1000 deg.C and is graphitized at 2000-3000 deg.C. The carbonaceous power satisfies at least one of the properties of following carbonaceous powders, that is, a carbonaceous power having |
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CONSTITUTION:The carbonaceous power of 5-90% having 3-30% volatile matter, 15-20mum average particle diameter and 1-30% toluene soluble matter is mixed into a mixture of coke and the binder pitch and after kneaded at 50-300 deg.C, is baked at 800-1000 deg.C and is graphitized at 2000-3000 deg.C. The carbonaceous power satisfies at least one of the properties of following carbonaceous powders, that is, a carbonaceous power having <=3% oxygen content, a carbonaceous power having <=2% difference between a quinoline soluble matter and a toluene soluble matter, a carbonaceous power having <=50mum size of optical anisotropy structure and having <=30% proportion by optical anisotropy structure, a carbonaceous power having >=3% volume shrinkage factor when baking a compacted body, formed in bar shape under 1ton/cm pressure, at temperature to 1000 deg.C, a carbonaceous power having >=200kg/cm bending strength of a compacted body made by forming in bar shape under 1ton/cm pressure, by baking at temperature to 1000 deg.C and graphitizing at temperature to 2800 deg.C.</description><language>eng</language><subject>ARTIFICIAL STONE ; CEMENTS ; CERAMICS ; CHEMISTRY ; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS ; COMPOUNDS THEREOF ; CONCRETE ; INORGANIC CHEMISTRY ; LIME, MAGNESIA ; METALLURGY ; NON-METALLIC ELEMENTS ; REFRACTORIES ; SLAG ; TREATMENT OF NATURAL STONE</subject><creationdate>1993</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=19930709&DB=EPODOC&CC=JP&NR=H05170414A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25544,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19930709&DB=EPODOC&CC=JP&NR=H05170414A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TAKAO NORITOSHI</creatorcontrib><creatorcontrib>HASHIGUCHI SHOICHI</creatorcontrib><title>PRODUCTION OF HIGH DENSITY SPECIAL CARBONACEOUS MATERIAL</title><description>PURPOSE:To make density high and to improve electric discharge machinability by kneading a specific carbonaceous power with coke and a binder pitch. CONSTITUTION:The carbonaceous power of 5-90% having 3-30% volatile matter, 15-20mum average particle diameter and 1-30% toluene soluble matter is mixed into a mixture of coke and the binder pitch and after kneaded at 50-300 deg.C, is baked at 800-1000 deg.C and is graphitized at 2000-3000 deg.C. The carbonaceous power satisfies at least one of the properties of following carbonaceous powders, that is, a carbonaceous power having <=3% oxygen content, a carbonaceous power having <=2% difference between a quinoline soluble matter and a toluene soluble matter, a carbonaceous power having <=50mum size of optical anisotropy structure and having <=30% proportion by optical anisotropy structure, a carbonaceous power having >=3% volume shrinkage factor when baking a compacted body, formed in bar shape under 1ton/cm pressure, at temperature to 1000 deg.C, a carbonaceous power having >=200kg/cm bending strength of a compacted body made by forming in bar shape under 1ton/cm pressure, by baking at temperature to 1000 deg.C and graphitizing at temperature to 2800 deg.C.</description><subject>ARTIFICIAL STONE</subject><subject>CEMENTS</subject><subject>CERAMICS</subject><subject>CHEMISTRY</subject><subject>COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS</subject><subject>COMPOUNDS THEREOF</subject><subject>CONCRETE</subject><subject>INORGANIC CHEMISTRY</subject><subject>LIME, MAGNESIA</subject><subject>METALLURGY</subject><subject>NON-METALLIC ELEMENTS</subject><subject>REFRACTORIES</subject><subject>SLAG</subject><subject>TREATMENT OF NATURAL STONE</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1993</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLAICPJ3CXUO8fT3U_B3U_DwdPdQcHH1C_YMiVQIDnB19nT0UXB2DHLy93N0dvUPDVbwdQxxDQKK8jCwpiXmFKfyQmluBkU31xBnD93Ugvz41OKCxOTUvNSSeK8ADwNTQ3MDE0MTR2Ni1AAAbogorg</recordid><startdate>19930709</startdate><enddate>19930709</enddate><creator>TAKAO NORITOSHI</creator><creator>HASHIGUCHI SHOICHI</creator><scope>EVB</scope></search><sort><creationdate>19930709</creationdate><title>PRODUCTION OF HIGH DENSITY SPECIAL CARBONACEOUS MATERIAL</title><author>TAKAO NORITOSHI ; HASHIGUCHI SHOICHI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH05170414A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1993</creationdate><topic>ARTIFICIAL STONE</topic><topic>CEMENTS</topic><topic>CERAMICS</topic><topic>CHEMISTRY</topic><topic>COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS</topic><topic>COMPOUNDS THEREOF</topic><topic>CONCRETE</topic><topic>INORGANIC CHEMISTRY</topic><topic>LIME, MAGNESIA</topic><topic>METALLURGY</topic><topic>NON-METALLIC ELEMENTS</topic><topic>REFRACTORIES</topic><topic>SLAG</topic><topic>TREATMENT OF NATURAL STONE</topic><toplevel>online_resources</toplevel><creatorcontrib>TAKAO NORITOSHI</creatorcontrib><creatorcontrib>HASHIGUCHI SHOICHI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>TAKAO NORITOSHI</au><au>HASHIGUCHI SHOICHI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PRODUCTION OF HIGH DENSITY SPECIAL CARBONACEOUS MATERIAL</title><date>1993-07-09</date><risdate>1993</risdate><abstract>PURPOSE:To make density high and to improve electric discharge machinability by kneading a specific carbonaceous power with coke and a binder pitch. CONSTITUTION:The carbonaceous power of 5-90% having 3-30% volatile matter, 15-20mum average particle diameter and 1-30% toluene soluble matter is mixed into a mixture of coke and the binder pitch and after kneaded at 50-300 deg.C, is baked at 800-1000 deg.C and is graphitized at 2000-3000 deg.C. The carbonaceous power satisfies at least one of the properties of following carbonaceous powders, that is, a carbonaceous power having <=3% oxygen content, a carbonaceous power having <=2% difference between a quinoline soluble matter and a toluene soluble matter, a carbonaceous power having <=50mum size of optical anisotropy structure and having <=30% proportion by optical anisotropy structure, a carbonaceous power having >=3% volume shrinkage factor when baking a compacted body, formed in bar shape under 1ton/cm pressure, at temperature to 1000 deg.C, a carbonaceous power having >=200kg/cm bending strength of a compacted body made by forming in bar shape under 1ton/cm pressure, by baking at temperature to 1000 deg.C and graphitizing at temperature to 2800 deg.C.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS COMPOUNDS THEREOF CONCRETE INORGANIC CHEMISTRY LIME, MAGNESIA METALLURGY NON-METALLIC ELEMENTS REFRACTORIES SLAG TREATMENT OF NATURAL STONE |
| title | PRODUCTION OF HIGH DENSITY SPECIAL CARBONACEOUS MATERIAL |
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