WATER- COOLED SHAFT
The shaft is used in crystallization installations for the growing of high-temperature optical crystal out of melt. It has a simplified design, allowing to ensure an optical observation channel and the temperature measurement of the container by optical or other methods with maximum ratio between th...
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| creator | MINCHEV, ROSEN M PAVLOV, OGNJAN I KARLOVSKI, IVAN S |
| description | The shaft is used in crystallization installations for the growing of high-temperature optical crystal out of melt. It has a simplified design, allowing to ensure an optical observation channel and the temperature measurement of the container by optical or other methods with maximum ratio between the cross-sections of the optical channel and the shaft. The water-cooled shaft consists of water-cooled part and sealed optical channel. The water-cooled part consists of external (1) and internal (2) pipes, positioned coaxially and closed at the upper end with a cap (3), and at the lower end - with a hollow body (4). The upper end of the external pipe (2) has external thread for connection with a container carrier, and the space between the external (1) and the internal (2) pipe is divided into two volumes (5 and 6) by two helical barriers (7 and 8). The sealed optical observation channel is shaped in the internal pipe (2). |
| format | Patent |
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It has a simplified design, allowing to ensure an optical observation channel and the temperature measurement of the container by optical or other methods with maximum ratio between the cross-sections of the optical channel and the shaft. The water-cooled shaft consists of water-cooled part and sealed optical channel. The water-cooled part consists of external (1) and internal (2) pipes, positioned coaxially and closed at the upper end with a cap (3), and at the lower end - with a hollow body (4). The upper end of the external pipe (2) has external thread for connection with a container carrier, and the space between the external (1) and the internal (2) pipe is divided into two volumes (5 and 6) by two helical barriers (7 and 8). The sealed optical observation channel is shaped in the internal pipe (2).</description><edition>5</edition><language>eng</language><subject>AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE ; APPARATUS THEREFOR ; CHEMISTRY ; CRYSTAL GROWTH ; METALLURGY ; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE ; REFINING BY ZONE-MELTING OF MATERIAL ; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE ; SINGLE-CRYSTAL-GROWTH ; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL</subject><creationdate>1991</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=19910315&DB=EPODOC&CC=BG&NR=48522A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19910315&DB=EPODOC&CC=BG&NR=48522A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MINCHEV, ROSEN M</creatorcontrib><creatorcontrib>PAVLOV, OGNJAN I</creatorcontrib><creatorcontrib>KARLOVSKI, IVAN S</creatorcontrib><title>WATER- COOLED SHAFT</title><description>The shaft is used in crystallization installations for the growing of high-temperature optical crystal out of melt. It has a simplified design, allowing to ensure an optical observation channel and the temperature measurement of the container by optical or other methods with maximum ratio between the cross-sections of the optical channel and the shaft. The water-cooled shaft consists of water-cooled part and sealed optical channel. The water-cooled part consists of external (1) and internal (2) pipes, positioned coaxially and closed at the upper end with a cap (3), and at the lower end - with a hollow body (4). The upper end of the external pipe (2) has external thread for connection with a container carrier, and the space between the external (1) and the internal (2) pipe is divided into two volumes (5 and 6) by two helical barriers (7 and 8). 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It has a simplified design, allowing to ensure an optical observation channel and the temperature measurement of the container by optical or other methods with maximum ratio between the cross-sections of the optical channel and the shaft. The water-cooled shaft consists of water-cooled part and sealed optical channel. The water-cooled part consists of external (1) and internal (2) pipes, positioned coaxially and closed at the upper end with a cap (3), and at the lower end - with a hollow body (4). The upper end of the external pipe (2) has external thread for connection with a container carrier, and the space between the external (1) and the internal (2) pipe is divided into two volumes (5 and 6) by two helical barriers (7 and 8). The sealed optical observation channel is shaped in the internal pipe (2).</abstract><edition>5</edition><oa>free_for_read</oa></addata></record> |
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| subjects | AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE APPARATUS THEREFOR CHEMISTRY CRYSTAL GROWTH METALLURGY PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE REFINING BY ZONE-MELTING OF MATERIAL SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE SINGLE-CRYSTAL-GROWTH UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL |
| title | WATER- COOLED SHAFT |
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