GB1184306A - Protection Tube - Google Patents
Protection TubeInfo
- Publication number
- GB1184306A GB1184306A GB29916/68A GB2991668A GB1184306A GB 1184306 A GB1184306 A GB 1184306A GB 29916/68 A GB29916/68 A GB 29916/68A GB 2991668 A GB2991668 A GB 2991668A GB 1184306 A GB1184306 A GB 1184306A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tube
- thermocouple
- carbonized
- melt
- june
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
- G01K1/10—Protective devices, e.g. casings for preventing chemical attack
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
- H10N10/10—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects
- H10N10/17—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects characterised by the structure or configuration of the cell or thermocouple forming the device
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
1,184,306. Thermocouples. CARBORUNDUM CO. 24 June, 1968 [26 June, 1967], No. 29916/68. Heading H1K. [Also in Division G1] A composite protection tube 10, e.g. for housing a thermocouple for insertion in a molten metal bath comprises an inner tube 12 of a heat resistant refractory oxide disposed inside an expandable metal tube 14, the space between the two tubes being filled with a granular refractory material 18 bonded together by a carbonized binder material. The tube 12 is preferably of alumina, zirconia, thoria or beryllia, and the tube 14 of the metal contained in the melt whose temperature is to be measured, e.g. cast iron, steel, stainless steel, nickel, copper or aluminium. The material 18 is preferably granular magnesia, though zirconia, alumina, mullite or dolomite may be used and in addition carbides, borides and nitrides may be used in place of oxides, particularly zirconium carbide, diboride or carbonitride or aluminium nitride. In order to obtain the optimum density the material 18 is preferably a mixture of different grain sizes and is vibrated as it is poured between the tubes 12, 14 during manufacture. A carbonizable binder, e.g. binding pitch is then added and carbonized, and this is followed by further addition of furfuryl alcohol copolymer or phenolformaldehyde which is also carbonized. The protection tube 10 is formed with a closed end 30, but the inner tube 12 may extend to this end or project from the end of the tube 14, if desired. In use the outer tube 14 melts preventing thermal shock to the thermocouple on insertion into a melt and the refractory material 18 then protects the thermocouple from the melt.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US64882167A | 1967-06-26 | 1967-06-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1184306A true GB1184306A (en) | 1970-03-11 |
Family
ID=24602380
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB29916/68A Expired GB1184306A (en) | 1967-06-26 | 1968-06-24 | Protection Tube |
Country Status (6)
Country | Link |
---|---|
US (1) | US3647558A (en) |
BE (1) | BE717107A (en) |
DE (1) | DE1773710C3 (en) |
FR (1) | FR1569518A (en) |
GB (1) | GB1184306A (en) |
SE (1) | SE352737B (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5036598B1 (en) * | 1970-08-06 | 1975-11-26 | ||
GB2000642A (en) * | 1977-07-04 | 1979-01-10 | Commw Scient Ind Res Org | Pyrometric sheath and process |
GB2196430A (en) * | 1986-09-22 | 1988-04-27 | Electro Nite | Probe for measuring in molten metal |
GB2278015A (en) * | 1993-05-14 | 1994-11-16 | Horbury Winder | Sheath for temperature sensor |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4060095A (en) * | 1975-08-23 | 1977-11-29 | Koransha Co., Ltd. | Thermocouple protecting tube |
JPS5376975U (en) * | 1976-11-30 | 1978-06-27 | ||
US4721533A (en) * | 1986-08-01 | 1988-01-26 | System Planning Corporation | Protective structure for an immersion pyrometer |
BE905463A (en) * | 1986-09-22 | 1987-03-23 | Electro Nite | PROBE FOR MEASURING IN LIQUID METAL. |
JPH0648217B2 (en) * | 1987-12-24 | 1994-06-22 | 川惣電機工業株式会社 | Continuous temperature measuring device for molten metal |
US4871263A (en) * | 1988-05-16 | 1989-10-03 | Pyromation, Inc. | Protective tube for a temperature sensor |
WO1991007643A1 (en) * | 1989-11-22 | 1991-05-30 | Nippon Steel Corporation | Thermocouple-type temperature sensor and method of measuring temperature of molten steel |
JP2921705B2 (en) * | 1990-06-06 | 1999-07-19 | 株式会社ネツシン | High temperature thermometer |
DE9109308U1 (en) * | 1991-07-27 | 1992-11-26 | Hoechst Ag, 6230 Frankfurt, De | |
US5456761A (en) * | 1993-07-15 | 1995-10-10 | Alcan International Limited | High temperature and abrasion resistant temperature measuring device |
US5474618A (en) * | 1994-04-19 | 1995-12-12 | Rdc Controle Ltee | Protective ceramic device for immersion pyrometer |
CA2199765A1 (en) * | 1996-03-14 | 1997-09-14 | Sylvain P. Tremblay | Method and apparatus for measurement of temperatures of molten aluminum and aluminum alloys |
KR19990066851A (en) * | 1998-01-12 | 1999-08-16 | 카와무라 히데오 | Thermocouples for Metal Melt Temperature Measurement |
WO2001013438A1 (en) * | 1999-08-16 | 2001-02-22 | Temperature Management Systems (Proprietary) Limited | Metallurgical thermocouple |
-
1967
- 1967-06-26 US US648821A patent/US3647558A/en not_active Expired - Lifetime
-
1968
- 1968-06-24 GB GB29916/68A patent/GB1184306A/en not_active Expired
- 1968-06-25 BE BE717107D patent/BE717107A/xx unknown
- 1968-06-25 FR FR1569518D patent/FR1569518A/fr not_active Expired
- 1968-06-26 SE SE08626/68A patent/SE352737B/xx unknown
- 1968-06-26 DE DE1773710A patent/DE1773710C3/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5036598B1 (en) * | 1970-08-06 | 1975-11-26 | ||
GB2000642A (en) * | 1977-07-04 | 1979-01-10 | Commw Scient Ind Res Org | Pyrometric sheath and process |
GB2000642B (en) * | 1977-07-04 | 1982-02-03 | Commw Scient Ind Res Org | Pyrometric sheath and process |
GB2196430A (en) * | 1986-09-22 | 1988-04-27 | Electro Nite | Probe for measuring in molten metal |
GB2278015A (en) * | 1993-05-14 | 1994-11-16 | Horbury Winder | Sheath for temperature sensor |
Also Published As
Publication number | Publication date |
---|---|
DE1773710A1 (en) | 1972-01-13 |
FR1569518A (en) | 1969-05-30 |
US3647558A (en) | 1972-03-07 |
SE352737B (en) | 1973-01-08 |
BE717107A (en) | 1968-12-02 |
DE1773710C3 (en) | 1978-04-20 |
DE1773710B2 (en) | 1977-08-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PLNP | Patent lapsed through nonpayment of renewal fees |