High static fatigue alumina isopipes

Isopipes (13) for making a glass or a glass-ceramic using a fusion process are provided. The isopipes are made from an alumina material which has a higher static fatigue than existing alumina materials intended for use as isopipes. In particular, the alumina materials have times-to-failure (static f...

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Hauptverfasser:	PARK, EUNYOUNG (IAN), MCINTOSH, JOSEPH J, KETCHAM, THOMAS D
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE GLASS LIME, MAGNESIA MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METALLURGY MINERAL OR SLAG WOOL REFRACTORIES SLAG TREATMENT OF NATURAL STONE
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creator	PARK, EUNYOUNG (IAN) MCINTOSH, JOSEPH J KETCHAM, THOMAS D
description	Isopipes (13) for making a glass or a glass-ceramic using a fusion process are provided. The isopipes are made from an alumina material which has a higher static fatigue than existing alumina materials intended for use as isopipes. In particular, the alumina materials have times-to-failure (static fatigues) of greater than one hour at 1200°C at an applied stress of 10,000 psi. These high levels of static fatigue allow alumina isopipes to replace zircon isopipes in the manufacture of high performance glass sheets by the fusion process, including glass sheets which are incompatible with zircon isopipes but compatible with alumina isopipes, e.g., chip and scratch resistant glass sheets which have high alkali contents.
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The isopipes are made from an alumina material which has a higher static fatigue than existing alumina materials intended for use as isopipes. In particular, the alumina materials have times-to-failure (static fatigues) of greater than one hour at 1200°C at an applied stress of 10,000 psi. These high levels of static fatigue allow alumina isopipes to replace zircon isopipes in the manufacture of high performance glass sheets by the fusion process, including glass sheets which are incompatible with zircon isopipes but compatible with alumina isopipes, e.g., chip and scratch resistant glass sheets which have high alkali contents.</description><language>eng ; fre ; ger</language><subject>ARTIFICIAL STONE ; CEMENTS ; CERAMICS ; CHEMISTRY ; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS ; CONCRETE ; GLASS ; LIME, MAGNESIA ; MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES ; METALLURGY ; MINERAL OR SLAG WOOL ; REFRACTORIES ; SLAG ; TREATMENT OF NATURAL STONE</subject><creationdate>2012</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=20120118&DB=EPODOC&CC=EP&NR=2407441A2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20120118&DB=EPODOC&CC=EP&NR=2407441A2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>PARK, EUNYOUNG (IAN)</creatorcontrib><creatorcontrib>MCINTOSH, JOSEPH J</creatorcontrib><creatorcontrib>KETCHAM, THOMAS D</creatorcontrib><title>High static fatigue alumina isopipes</title><description>Isopipes (13) for making a glass or a glass-ceramic using a fusion process are provided. 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These high levels of static fatigue allow alumina isopipes to replace zircon isopipes in the manufacture of high performance glass sheets by the fusion process, including glass sheets which are incompatible with zircon isopipes but compatible with alumina isopipes, e.g., chip and scratch resistant glass sheets which have high alkali contents.</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>CONCRETE</subject><subject>GLASS</subject><subject>LIME, MAGNESIA</subject><subject>MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES</subject><subject>METALLURGY</subject><subject>MINERAL OR SLAG WOOL</subject><subject>REFRACTORIES</subject><subject>SLAG</subject><subject>TREATMENT OF NATURAL STONE</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2012</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFDxyEzPUCguSSzJTFZIA5LppakKiTmluZl5iQqZxfkFmQWpxTwMrGmJOcWpvFCam0HBzTXE2UM3tSA_PrW4IDE5NS-1JN41wMjEwNzExNDRyJgIJQDBwiZh</recordid><startdate>20120118</startdate><enddate>20120118</enddate><creator>PARK, EUNYOUNG (IAN)</creator><creator>MCINTOSH, JOSEPH J</creator><creator>KETCHAM, THOMAS D</creator><scope>EVB</scope></search><sort><creationdate>20120118</creationdate><title>High static fatigue alumina isopipes</title><author>PARK, EUNYOUNG (IAN) ; MCINTOSH, JOSEPH J ; KETCHAM, THOMAS D</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP2407441A23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2012</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>CONCRETE</topic><topic>GLASS</topic><topic>LIME, MAGNESIA</topic><topic>MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES</topic><topic>METALLURGY</topic><topic>MINERAL OR SLAG WOOL</topic><topic>REFRACTORIES</topic><topic>SLAG</topic><topic>TREATMENT OF NATURAL STONE</topic><toplevel>online_resources</toplevel><creatorcontrib>PARK, EUNYOUNG (IAN)</creatorcontrib><creatorcontrib>MCINTOSH, JOSEPH J</creatorcontrib><creatorcontrib>KETCHAM, THOMAS D</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>PARK, EUNYOUNG (IAN)</au><au>MCINTOSH, JOSEPH J</au><au>KETCHAM, THOMAS D</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>High static fatigue alumina isopipes</title><date>2012-01-18</date><risdate>2012</risdate><abstract>Isopipes (13) for making a glass or a glass-ceramic using a fusion process are provided. 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subjects	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE GLASS LIME, MAGNESIA MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METALLURGY MINERAL OR SLAG WOOL REFRACTORIES SLAG TREATMENT OF NATURAL STONE
title	High static fatigue alumina isopipes
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