Method of and apparatus for shaping a string of coated glass and set of nozzles therefor
Apparatus for forming a cased glass stream having an inner core glass surrounded by an outer casing glass includes a first orifice (22) for receiving core glass from a first source (12), and an orifice ring (26) forming a second orifice (28) vertically spaced beneath and aligned with the first orifi...
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creator | SCOTT GARRETT L FICK KEVIN N DEMBICKI MICHAEL T |
description | Apparatus for forming a cased glass stream having an inner core glass surrounded by an outer casing glass includes a first orifice (22) for receiving core glass from a first source (12), and an orifice ring (26) forming a second orifice (28) vertically spaced beneath and aligned with the first orifice. A chamber (30) surrounds the second orifice and communicates with the second orifice through a metering gap (56) between the first and second orifices. Casing glass is delivered from a second source (42) to the chamber, such that glass flows by gravity from the first and second sources through the orifices to form the cased glass stream. A heater ring (46) of refractory material is disposed beneath the orifice ring, and includes at least one electrical heater (48) embedded in the refractory material of the heaterring. The electrical heater is thus disposed external to the casing glass chamber for adding heat to casing glass flowing through the chamber to the metering gap. The heater ring in the preferred embodiment of the invention underlies and is contoured for facing engagement with the entire undersurface of the orifice ring for transferring heat energy through the orifice ring to glass in the casing glass chamber. |
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A chamber (30) surrounds the second orifice and communicates with the second orifice through a metering gap (56) between the first and second orifices. Casing glass is delivered from a second source (42) to the chamber, such that glass flows by gravity from the first and second sources through the orifices to form the cased glass stream. A heater ring (46) of refractory material is disposed beneath the orifice ring, and includes at least one electrical heater (48) embedded in the refractory material of the heaterring. The electrical heater is thus disposed external to the casing glass chamber for adding heat to casing glass flowing through the chamber to the metering gap. The heater ring in the preferred embodiment of the invention underlies and is contoured for facing engagement with the entire undersurface of the orifice ring for transferring heat energy through the orifice ring to glass in the casing glass chamber.</description><language>eng ; pol</language><subject>CHEMISTRY ; GLASS ; MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES ; METALLURGY ; MINERAL OR SLAG WOOL</subject><creationdate>2008</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=20080131&DB=EPODOC&CC=PL&NR=196786B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20080131&DB=EPODOC&CC=PL&NR=196786B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SCOTT GARRETT L</creatorcontrib><creatorcontrib>FICK KEVIN N</creatorcontrib><creatorcontrib>DEMBICKI MICHAEL T</creatorcontrib><title>Method of and apparatus for shaping a string of coated glass and set of nozzles therefor</title><description>Apparatus for forming a cased glass stream having an inner core glass surrounded by an outer casing glass includes a first orifice (22) for receiving core glass from a first source (12), and an orifice ring (26) forming a second orifice (28) vertically spaced beneath and aligned with the first orifice. A chamber (30) surrounds the second orifice and communicates with the second orifice through a metering gap (56) between the first and second orifices. Casing glass is delivered from a second source (42) to the chamber, such that glass flows by gravity from the first and second sources through the orifices to form the cased glass stream. A heater ring (46) of refractory material is disposed beneath the orifice ring, and includes at least one electrical heater (48) embedded in the refractory material of the heaterring. The electrical heater is thus disposed external to the casing glass chamber for adding heat to casing glass flowing through the chamber to the metering gap. The heater ring in the preferred embodiment of the invention underlies and is contoured for facing engagement with the entire undersurface of the orifice ring for transferring heat energy through the orifice ring to glass in the casing glass chamber.</description><subject>CHEMISTRY</subject><subject>GLASS</subject><subject>MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES</subject><subject>METALLURGY</subject><subject>MINERAL OR SLAG WOOL</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2008</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNizEKwkAQRbexEPUOcwGLIERtI4qFgoWFXRiys9nAsjPsjE1ObyIewOo_Pu8t3etOFtkDB8DsAUWwoL0VAhfQiDLkHhDUygyT1TEaeegTqn4TJZv_zOOYSMEiFZritVsETEqb364cXM7P03VLwi2pYEeZrH3cqmO9P9RNU-3-UD7WMzmP</recordid><startdate>20080131</startdate><enddate>20080131</enddate><creator>SCOTT GARRETT L</creator><creator>FICK KEVIN N</creator><creator>DEMBICKI MICHAEL T</creator><scope>EVB</scope></search><sort><creationdate>20080131</creationdate><title>Method of and apparatus for shaping a string of coated glass and set of nozzles therefor</title><author>SCOTT GARRETT L ; FICK KEVIN N ; DEMBICKI MICHAEL T</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_PL196786BB13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; pol</language><creationdate>2008</creationdate><topic>CHEMISTRY</topic><topic>GLASS</topic><topic>MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES</topic><topic>METALLURGY</topic><topic>MINERAL OR SLAG WOOL</topic><toplevel>online_resources</toplevel><creatorcontrib>SCOTT GARRETT L</creatorcontrib><creatorcontrib>FICK KEVIN N</creatorcontrib><creatorcontrib>DEMBICKI MICHAEL T</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SCOTT GARRETT L</au><au>FICK KEVIN N</au><au>DEMBICKI MICHAEL T</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Method of and apparatus for shaping a string of coated glass and set of nozzles therefor</title><date>2008-01-31</date><risdate>2008</risdate><abstract>Apparatus for forming a cased glass stream having an inner core glass surrounded by an outer casing glass includes a first orifice (22) for receiving core glass from a first source (12), and an orifice ring (26) forming a second orifice (28) vertically spaced beneath and aligned with the first orifice. A chamber (30) surrounds the second orifice and communicates with the second orifice through a metering gap (56) between the first and second orifices. Casing glass is delivered from a second source (42) to the chamber, such that glass flows by gravity from the first and second sources through the orifices to form the cased glass stream. A heater ring (46) of refractory material is disposed beneath the orifice ring, and includes at least one electrical heater (48) embedded in the refractory material of the heaterring. The electrical heater is thus disposed external to the casing glass chamber for adding heat to casing glass flowing through the chamber to the metering gap. The heater ring in the preferred embodiment of the invention underlies and is contoured for facing engagement with the entire undersurface of the orifice ring for transferring heat energy through the orifice ring to glass in the casing glass chamber.</abstract><oa>free_for_read</oa></addata></record> |
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subjects | CHEMISTRY GLASS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METALLURGY MINERAL OR SLAG WOOL |
title | Method of and apparatus for shaping a string of coated glass and set of nozzles therefor |
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