Monothilic refractory composition
23 23 A subject for the invention is to provide an unshaped refractory composition having not only high thermal resistance but also improved corrosion resistance and improved unsusceptibility to slag infiltration.The invention is "an unshaped refractory composition comprising: (1) 20 to 70% by...
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| creator | Kaneshige, Toshihiko Sasaki, Hisaharu Tabuchi, Yukiharu |
| description | 23 23 A subject for the invention is to provide an unshaped refractory composition having not only high thermal resistance but also improved corrosion resistance and improved unsusceptibility to slag infiltration.The invention is "an unshaped refractory composition comprising: (1) 20 to 70% by weight raw spinel material comprising an MgO-AlOspinel phase and containing 2 to 20% by weight magnesia and/or raw spinel/corundum material comprising an MgO-AlOspinel phase and a corundum phase and containing 2 to 20% by weight magnesia; (2) 3 to 12% by weight raw magnesia material having a particle diameter of 0.3 mm or smaller, containing particle sizes of 75 μm or smaller in an amount of 55 to 85% by weight, and having a magnesia purity of 90% by weight or higher; (3) 3 to 10% by weight alumina cement having a calcia content lower than 20% by weight; (4) 0.3 to 1.5% by weight ultrafine powder consisting mainly of silica; and (5) a raw alumina material as the remainder". |
| format | Patent |
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(2) 3 to 12% by weight raw magnesia material having a particle diameter of 0.3 mm or smaller, containing particle sizes of 75 μm or smaller in an amount of 55 to 85% by weight, and having a magnesia purity of 90% by weight or higher; (3) 3 to 10% by weight alumina cement having a calcia content lower than 20% by weight; (4) 0.3 to 1.5% by weight ultrafine powder consisting mainly of silica; and (5) a raw alumina material as the remainder".</description><language>eng</language><creationdate>2007</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7166551$$EPDF$$P50$$Guspatents$$Hfree_for_read</linktopdf><link.rule.ids>230,308,776,798,881,64012</link.rule.ids><linktorsrc>$$Uhttps://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7166551$$EView_record_in_USPTO$$FView_record_in_$$GUSPTO$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Kaneshige, Toshihiko</creatorcontrib><creatorcontrib>Sasaki, Hisaharu</creatorcontrib><creatorcontrib>Tabuchi, Yukiharu</creatorcontrib><creatorcontrib>Shinagawa Refractories Co., Ltd</creatorcontrib><title>Monothilic refractory composition</title><description>23 23 A subject for the invention is to provide an unshaped refractory composition having not only high thermal resistance but also improved corrosion resistance and improved unsusceptibility to slag infiltration.The invention is "an unshaped refractory composition comprising: (1) 20 to 70% by weight raw spinel material comprising an MgO-AlOspinel phase and containing 2 to 20% by weight magnesia and/or raw spinel/corundum material comprising an MgO-AlOspinel phase and a corundum phase and containing 2 to 20% by weight magnesia; (2) 3 to 12% by weight raw magnesia material having a particle diameter of 0.3 mm or smaller, containing particle sizes of 75 μm or smaller in an amount of 55 to 85% by weight, and having a magnesia purity of 90% by weight or higher; (3) 3 to 10% by weight alumina cement having a calcia content lower than 20% by weight; (4) 0.3 to 1.5% by weight ultrafine powder consisting mainly of silica; and (5) a raw alumina material as the remainder".</description><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2007</creationdate><recordtype>patent</recordtype><sourceid>EFH</sourceid><recordid>eNrjZFD0zc_LL8nIzMlMVihKTStKTC7JL6pUSM7PLcgvzizJzM_jYWBNS8wpTuWF0twMCm6uIc4euqXFBYklqXklxfHpRYkgysDc0MzM1NTQmAglAKnrJz8</recordid><startdate>20070123</startdate><enddate>20070123</enddate><creator>Kaneshige, Toshihiko</creator><creator>Sasaki, Hisaharu</creator><creator>Tabuchi, Yukiharu</creator><scope>EFH</scope></search><sort><creationdate>20070123</creationdate><title>Monothilic refractory composition</title><author>Kaneshige, Toshihiko ; Sasaki, Hisaharu ; Tabuchi, Yukiharu</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-uspatents_grants_071665513</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2007</creationdate><toplevel>online_resources</toplevel><creatorcontrib>Kaneshige, Toshihiko</creatorcontrib><creatorcontrib>Sasaki, Hisaharu</creatorcontrib><creatorcontrib>Tabuchi, Yukiharu</creatorcontrib><creatorcontrib>Shinagawa Refractories Co., Ltd</creatorcontrib><collection>USPTO Issued Patents</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Kaneshige, Toshihiko</au><au>Sasaki, Hisaharu</au><au>Tabuchi, Yukiharu</au><aucorp>Shinagawa Refractories Co., Ltd</aucorp><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Monothilic refractory composition</title><date>2007-01-23</date><risdate>2007</risdate><abstract>23 23 A subject for the invention is to provide an unshaped refractory composition having not only high thermal resistance but also improved corrosion resistance and improved unsusceptibility to slag infiltration.The invention is "an unshaped refractory composition comprising: (1) 20 to 70% by weight raw spinel material comprising an MgO-AlOspinel phase and containing 2 to 20% by weight magnesia and/or raw spinel/corundum material comprising an MgO-AlOspinel phase and a corundum phase and containing 2 to 20% by weight magnesia; (2) 3 to 12% by weight raw magnesia material having a particle diameter of 0.3 mm or smaller, containing particle sizes of 75 μm or smaller in an amount of 55 to 85% by weight, and having a magnesia purity of 90% by weight or higher; (3) 3 to 10% by weight alumina cement having a calcia content lower than 20% by weight; (4) 0.3 to 1.5% by weight ultrafine powder consisting mainly of silica; and (5) a raw alumina material as the remainder".</abstract><oa>free_for_read</oa></addata></record> |
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| title | Monothilic refractory composition |
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