RESIN-COATED SAND HAVING IMPROVED MOLD COLLAPSIBILITY
To provide a resin-coated sand (RCS) that makes it possible to shape, in practically advantageous manner, a mold having improved collapsibility after casting, while having improved molding properties.SOLUTION: Refractory aggregate and a resin binder are mixed, to coat the surface of the refractory a...
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| creator | OGAWA FUMIYUKI IWAKIRI SHUN |
| description | To provide a resin-coated sand (RCS) that makes it possible to shape, in practically advantageous manner, a mold having improved collapsibility after casting, while having improved molding properties.SOLUTION: Refractory aggregate and a resin binder are mixed, to coat the surface of the refractory aggregate with the resin binder, forming the RCS. The refractory aggregate contains 50 mass% or more of SiO2 and has a filling factor of 53% or more, and the RCS has a thermal conductivity of 0.30 W/m K or more.SELECTED DRAWING: None
【課題】鋳型特性の向上を図りつつ、鋳造後における鋳型の崩壊性がより一層高められ得た鋳型を、実用的に有利に造型することの出来るレジンコーテッドサンド（ＲＣＳ）を提供する。【解決手段】耐火性骨材と樹脂粘結剤とを混練して、かかる耐火性骨材の表面を樹脂粘結剤にて被覆してなるＲＣＳにおいて、かかる耐火性骨材が、５０質量％以上のＳｉＯ2を含有し、充填率が５３％以上であると共に、ＲＣＳが、０．３０Ｗ／ｍ・Ｋ以上の熱伝導率を有していることを特徴とする。【選択図】なし |
| format | Patent |
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【課題】鋳型特性の向上を図りつつ、鋳造後における鋳型の崩壊性がより一層高められ得た鋳型を、実用的に有利に造型することの出来るレジンコーテッドサンド（ＲＣＳ）を提供する。【解決手段】耐火性骨材と樹脂粘結剤とを混練して、かかる耐火性骨材の表面を樹脂粘結剤にて被覆してなるＲＣＳにおいて、かかる耐火性骨材が、５０質量％以上のＳｉＯ2を含有し、充填率が５３％以上であると共に、ＲＣＳが、０．３０Ｗ／ｍ・Ｋ以上の熱伝導率を有していることを特徴とする。【選択図】なし</description><language>eng ; jpn</language><subject>CASTING ; FOUNDRY MOULDING ; PERFORMING OPERATIONS ; POWDER METALLURGY ; TRANSPORTING</subject><creationdate>2022</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=20220601&DB=EPODOC&CC=JP&NR=2022081962A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220601&DB=EPODOC&CC=JP&NR=2022081962A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>OGAWA FUMIYUKI</creatorcontrib><creatorcontrib>IWAKIRI SHUN</creatorcontrib><title>RESIN-COATED SAND HAVING IMPROVED MOLD COLLAPSIBILITY</title><description>To provide a resin-coated sand (RCS) that makes it possible to shape, in practically advantageous manner, a mold having improved collapsibility after casting, while having improved molding properties.SOLUTION: Refractory aggregate and a resin binder are mixed, to coat the surface of the refractory aggregate with the resin binder, forming the RCS. The refractory aggregate contains 50 mass% or more of SiO2 and has a filling factor of 53% or more, and the RCS has a thermal conductivity of 0.30 W/m K or more.SELECTED DRAWING: None
【課題】鋳型特性の向上を図りつつ、鋳造後における鋳型の崩壊性がより一層高められ得た鋳型を、実用的に有利に造型することの出来るレジンコーテッドサンド（ＲＣＳ）を提供する。【解決手段】耐火性骨材と樹脂粘結剤とを混練して、かかる耐火性骨材の表面を樹脂粘結剤にて被覆してなるＲＣＳにおいて、かかる耐火性骨材が、５０質量％以上のＳｉＯ2を含有し、充填率が５３％以上であると共に、ＲＣＳが、０．３０Ｗ／ｍ・Ｋ以上の熱伝導率を有していることを特徴とする。【選択図】なし</description><subject>CASTING</subject><subject>FOUNDRY MOULDING</subject><subject>PERFORMING OPERATIONS</subject><subject>POWDER METALLURGY</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2022</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDANcg329NN19ncMcXVRCHb0c1HwcAzz9HNX8PQNCPIPAwr6-vu4KDj7-_g4BgR7Onn6eIZE8jCwpiXmFKfyQmluBiU31xBnD93Ugvz41OKCxOTUvNSSeK8AIwMjIwMLQ0szI0djohQBAD2JKCc</recordid><startdate>20220601</startdate><enddate>20220601</enddate><creator>OGAWA FUMIYUKI</creator><creator>IWAKIRI SHUN</creator><scope>EVB</scope></search><sort><creationdate>20220601</creationdate><title>RESIN-COATED SAND HAVING IMPROVED MOLD COLLAPSIBILITY</title><author>OGAWA FUMIYUKI ; IWAKIRI SHUN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2022081962A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; jpn</language><creationdate>2022</creationdate><topic>CASTING</topic><topic>FOUNDRY MOULDING</topic><topic>PERFORMING OPERATIONS</topic><topic>POWDER METALLURGY</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>OGAWA FUMIYUKI</creatorcontrib><creatorcontrib>IWAKIRI SHUN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>OGAWA FUMIYUKI</au><au>IWAKIRI SHUN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>RESIN-COATED SAND HAVING IMPROVED MOLD COLLAPSIBILITY</title><date>2022-06-01</date><risdate>2022</risdate><abstract>To provide a resin-coated sand (RCS) that makes it possible to shape, in practically advantageous manner, a mold having improved collapsibility after casting, while having improved molding properties.SOLUTION: Refractory aggregate and a resin binder are mixed, to coat the surface of the refractory aggregate with the resin binder, forming the RCS. The refractory aggregate contains 50 mass% or more of SiO2 and has a filling factor of 53% or more, and the RCS has a thermal conductivity of 0.30 W/m K or more.SELECTED DRAWING: None
【課題】鋳型特性の向上を図りつつ、鋳造後における鋳型の崩壊性がより一層高められ得た鋳型を、実用的に有利に造型することの出来るレジンコーテッドサンド（ＲＣＳ）を提供する。【解決手段】耐火性骨材と樹脂粘結剤とを混練して、かかる耐火性骨材の表面を樹脂粘結剤にて被覆してなるＲＣＳにおいて、かかる耐火性骨材が、５０質量％以上のＳｉＯ2を含有し、充填率が５３％以上であると共に、ＲＣＳが、０．３０Ｗ／ｍ・Ｋ以上の熱伝導率を有していることを特徴とする。【選択図】なし</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; jpn |
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| subjects | CASTING FOUNDRY MOULDING PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING |
| title | RESIN-COATED SAND HAVING IMPROVED MOLD COLLAPSIBILITY |
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