FR2413011A1 - Ensemble chauffant pour un four de traitement thermique - Google Patents

Ensemble chauffant pour un four de traitement thermique

Info

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
Application number
FR7836157A
Other languages
English (en)
Other versions
FR2413011B1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ikon Office Solutions Inc
Original Assignee
Ikon Office Solutions Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ikon Office Solutions Inc filed Critical Ikon Office Solutions Inc
Publication of FR2413011A1 publication Critical patent/FR2413011A1/fr
Application granted granted Critical
Publication of FR2413011B1 publication Critical patent/FR2413011B1/fr
Granted legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D11/00Arrangement of elements for electric heating in or on furnaces
    • F27D11/02Ohmic resistance heating
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00Ohmic-resistance heating
    • H05B3/62Heating elements specially adapted for furnaces
    • H05B3/64Heating 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.
FR7836157A 1977-12-23 1978-12-22 Ensemble chauffant pour un four de traitement thermique Granted FR2413011A1 (fr)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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