FR2413011A1 - Ensemble chauffant pour un four de traitement thermique - Google Patents
Ensemble chauffant pour un four de traitement thermiqueInfo
- Publication number
- FR2413011A1 FR2413011A1 FR7836157A FR7836157A FR2413011A1 FR 2413011 A1 FR2413011 A1 FR 2413011A1 FR 7836157 A FR7836157 A FR 7836157A FR 7836157 A FR7836157 A FR 7836157A FR 2413011 A1 FR2413011 A1 FR 2413011A1
- Authority
- FR
- France
- Prior art keywords
- tube
- heat treatment
- gas
- pressure
- treatment oven
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D11/00—Arrangement of elements for electric heating in or on furnaces
- F27D11/02—Ohmic resistance heating
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/62—Heating elements specially adapted for furnaces
- H05B3/64—Heating elements specially adapted for furnaces using ribbon, rod, or wire heater
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Details (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
- Pipe Accessories (AREA)
Abstract
L'INVENTION CONCERNE UN ENSEMBLE CHAUFFANT COMPRENANT UN TUBE FERME, UN ELEMENT CHAUFFANT SOUS FORME DE RESISTANCE ELECTRIQUE DISPOSE DANS LE TUBE, UN MOYEN POUR ADMETTRE UN ECOULEMENT D'UN GAZ PROTECTEUR DANS LE TUBE ET POUR PROVOQUER L'ECHAPPEMENT D'UN ECOULEMENT DE CE GAZ HORS DU TUBE. SELON L'INVENTION, IL COMPORTE UN MOYEN 75 POUR DETECTER LA PRESSION DU GAZ DANS LE TUBE 17 ET PROVOQUER L'ADMISSION DE GAZ DANS LE TUBE 17 QUAND LA PRESSION EST EN DESSOUS D'UNE GAMME PREDETERMINEE AINSI QUE L'ECHAPPEMENT HORS DU TUBE QUAND LA PRESSION EST AU-DESSUS DE LA GAMME PREDETERMINEE. L'INVENTION S'APPLIQUE NOTAMMENT AU TRAITEMENT THERMIQUE.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/863,805 US4135053A (en) | 1977-12-23 | 1977-12-23 | Heating assembly for a heat treating furnace |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2413011A1 true FR2413011A1 (fr) | 1979-07-20 |
FR2413011B1 FR2413011B1 (fr) | 1983-02-04 |
Family
ID=25341828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7836157A Granted FR2413011A1 (fr) | 1977-12-23 | 1978-12-22 | Ensemble chauffant pour un four de traitement thermique |
Country Status (7)
Country | Link |
---|---|
US (1) | US4135053A (fr) |
JP (1) | JPS5489910A (fr) |
CA (1) | CA1105254A (fr) |
DE (1) | DE2854943C2 (fr) |
FR (1) | FR2413011A1 (fr) |
GB (1) | GB2012150B (fr) |
IT (1) | IT1101540B (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1987007811A1 (fr) * | 1986-06-16 | 1987-12-17 | Riedhammer Gmbh Und Co. Kg | Element chauffant |
FR2600855A1 (fr) * | 1986-06-26 | 1987-12-31 | Electricite De France | Dispositif de chauffage electrique comportant une gaine metallique |
FR2622381A1 (fr) * | 1987-10-21 | 1989-04-28 | Electricite De France | Thermoplongeur electrique |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4215233A (en) * | 1978-12-29 | 1980-07-29 | Alco Standard Corporation | Heating assembly with vibration dampening shipping supports for graphite heating elements |
PL216964A1 (fr) * | 1979-07-07 | 1981-02-13 | Biuro P Przemyslu Metal | |
DE3024709A1 (de) * | 1980-06-30 | 1982-01-28 | Leybold-Heraeus GmbH, 5000 Köln | Transportbehaelter fuer metallschmelzen |
EP0088683A1 (fr) * | 1982-03-10 | 1983-09-14 | Louis Graniou | Four électrique à haute température dont les résistances sont des tubes conducteurs verticaux creux chauffants maintenus en place par des tubes creux attaches réfrigérés |
DE3600019A1 (de) * | 1985-02-11 | 1986-08-14 | Scantherm A/S, Fredrikstad | Verfahren zum zufuehren von waermeenergie zu einer metallschmelze und dabei verwendbares heizelement |
US4653935A (en) * | 1985-05-13 | 1987-03-31 | Daily Jeffrey N | Thermocouple containment chamber |
US4848927A (en) * | 1985-05-13 | 1989-07-18 | Daily Instruments, Inc. | Thermocouple containment chamber |
FR2622382B2 (fr) * | 1986-06-26 | 1994-08-19 | Electricite De France | Dispositif de chauffage electrique comportant une gaine metallique associe a un circuit d'alimentation en gaz inerte |
US5097114A (en) * | 1990-04-17 | 1992-03-17 | General Signal Corporation | Low-voltage heating device |
GB2258592A (en) * | 1991-08-09 | 1993-02-10 | Paul Walter Dominic Tolkien | Inert gas protects carbon heating element |
DE4206851A1 (de) * | 1992-03-05 | 1993-09-09 | Riedhammer Gmbh Co Kg | Heizrohr fuer einen industrieofen, industrieofen und verfahren zur beheizung des ofens |
DE4446530A1 (de) * | 1994-12-24 | 1996-06-27 | Abb Patent Gmbh | Deglorofen |
NO954252L (no) * | 1995-10-25 | 1997-04-28 | Elkem Materials | Elektrisk varmeelement |
GB2399527B (en) * | 2003-03-21 | 2005-08-31 | Pyrotek Engineering Materials | Continuous casting installation & process |
WO2006022131A1 (fr) * | 2004-08-25 | 2006-03-02 | Ibiden Co., Ltd. | Four et procédé de fabrication de corps cuit en céramique poreuse utilisant le four |
SE532190C2 (sv) * | 2007-09-25 | 2009-11-10 | Sandvik Intellectual Property | Tilledare för elektriska motståndselement |
JP5830586B1 (ja) * | 2014-07-23 | 2015-12-09 | 株式会社Ihi | 浸炭装置 |
US11408779B2 (en) | 2019-06-03 | 2022-08-09 | Daily Thermetrics Corporation | Temperature sensor and methods of use |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB338131A (en) * | 1928-12-07 | 1930-11-10 | Carborundum Co | Improvements in or relating to electric furnaces |
DE679435C (de) * | 1938-05-28 | 1939-08-05 | Stahlwerk Kabel C Pouplier Jr | Verfahren zum Schutze der elektrischen Heizelemente gegen eine schaedliche Einwirkung von Schutzgas |
FR1011429A (fr) * | 1949-02-07 | 1952-06-23 | élément de chauffage électrique pour fours de fusion | |
DE1024650B (de) * | 1955-09-21 | 1958-02-20 | Siemens Ag | Sicherheitseinrichtung an Vakuum-Induktionsoefen u. dgl. |
DE1269749B (de) * | 1958-09-12 | 1968-06-06 | Michael Cole | Heizpatrone fuer Elektrooefen |
GB1488784A (en) * | 1976-02-16 | 1977-10-12 | Syaskin J | Furnace for melting highly reactive metals |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2147071A (en) * | 1939-02-14 | Electric furnace | ||
US2215587A (en) * | 1936-04-02 | 1940-09-24 | Siemens Ag | Rodlike heating element |
US2253981A (en) * | 1938-07-28 | 1941-08-26 | Manufactures Des Glaccs & Prod | Current supply device for resistors of electric furnaces |
US2320172A (en) * | 1939-06-19 | 1943-05-25 | Swindell Dressler Corp | Tunnel kiln |
DE914297C (de) * | 1944-03-30 | 1954-07-01 | Aeg | Oxydationsschutz fuer Heizkoerper elektrischer Widerstandsoefen |
US3053919A (en) * | 1959-12-22 | 1962-09-11 | Oregon Metallurgical Corp | Furnace construction |
-
1977
- 1977-12-23 US US05/863,805 patent/US4135053A/en not_active Expired - Lifetime
-
1978
- 1978-12-12 CA CA317,819A patent/CA1105254A/fr not_active Expired
- 1978-12-14 IT IT30813/78A patent/IT1101540B/it active
- 1978-12-14 GB GB7848473A patent/GB2012150B/en not_active Expired
- 1978-12-19 JP JP15678378A patent/JPS5489910A/ja active Granted
- 1978-12-20 DE DE2854943A patent/DE2854943C2/de not_active Expired
- 1978-12-22 FR FR7836157A patent/FR2413011A1/fr active Granted
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB338131A (en) * | 1928-12-07 | 1930-11-10 | Carborundum Co | Improvements in or relating to electric furnaces |
DE679435C (de) * | 1938-05-28 | 1939-08-05 | Stahlwerk Kabel C Pouplier Jr | Verfahren zum Schutze der elektrischen Heizelemente gegen eine schaedliche Einwirkung von Schutzgas |
FR1011429A (fr) * | 1949-02-07 | 1952-06-23 | élément de chauffage électrique pour fours de fusion | |
DE1024650B (de) * | 1955-09-21 | 1958-02-20 | Siemens Ag | Sicherheitseinrichtung an Vakuum-Induktionsoefen u. dgl. |
DE1269749B (de) * | 1958-09-12 | 1968-06-06 | Michael Cole | Heizpatrone fuer Elektrooefen |
GB1488784A (en) * | 1976-02-16 | 1977-10-12 | Syaskin J | Furnace for melting highly reactive metals |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1987007811A1 (fr) * | 1986-06-16 | 1987-12-17 | Riedhammer Gmbh Und Co. Kg | Element chauffant |
FR2600855A1 (fr) * | 1986-06-26 | 1987-12-31 | Electricite De France | Dispositif de chauffage electrique comportant une gaine metallique |
EP0251891A1 (fr) * | 1986-06-26 | 1988-01-07 | Electricite De France | Dispositif de chauffage électrique comportant une gaine métallique |
US4862137A (en) * | 1986-06-26 | 1989-08-29 | Service National Electricite De France | Electric heating device having a metal sheath |
FR2622381A1 (fr) * | 1987-10-21 | 1989-04-28 | Electricite De France | Thermoplongeur electrique |
WO1989004108A1 (fr) * | 1987-10-21 | 1989-05-05 | Electricite De France (Service National) | Thermoplongeur electrique |
US5065131A (en) * | 1987-10-21 | 1991-11-12 | Electricite De France (Service National) | Electric immersion heater |
Also Published As
Publication number | Publication date |
---|---|
FR2413011B1 (fr) | 1983-02-04 |
US4135053A (en) | 1979-01-16 |
DE2854943C2 (de) | 1985-07-18 |
GB2012150A (en) | 1979-07-18 |
CA1105254A (fr) | 1981-07-21 |
IT1101540B (it) | 1985-10-07 |
DE2854943A1 (de) | 1979-06-28 |
JPS5644349B2 (fr) | 1981-10-19 |
JPS5489910A (en) | 1979-07-17 |
GB2012150B (en) | 1982-03-24 |
IT7830813A0 (it) | 1978-12-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |