EP0294623A3 - Graphite holding device for heating bars in industrial furnaces - Google Patents

Graphite holding device for heating bars in industrial furnaces Download PDF

Info

Publication number
EP0294623A3
EP0294623A3 EP88107929A EP88107929A EP0294623A3 EP 0294623 A3 EP0294623 A3 EP 0294623A3 EP 88107929 A EP88107929 A EP 88107929A EP 88107929 A EP88107929 A EP 88107929A EP 0294623 A3 EP0294623 A3 EP 0294623A3
Authority
EP
European Patent Office
Prior art keywords
heating bars
industrial furnaces
holding device
graphite holding
graphite
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
EP88107929A
Other languages
German (de)
Other versions
EP0294623B1 (en
EP0294623A2 (en
Inventor
Wolfgang Dipl.-Ing. Heise
Georg Dipl.-Ing. Kell
Rolf Schuster
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.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
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 Degussa GmbH filed Critical Degussa GmbH
Priority to AT88107929T priority Critical patent/ATE69683T1/en
Publication of EP0294623A2 publication Critical patent/EP0294623A2/en
Publication of EP0294623A3 publication Critical patent/EP0294623A3/en
Application granted granted Critical
Publication of EP0294623B1 publication Critical patent/EP0294623B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H05B3/66Supports or mountings for heaters on or in the wall or roof

Landscapes

  • Resistance Heating (AREA)
  • Furnace Details (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • General Induction Heating (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

A holding element for heating bars in industrial furnaces must be as flexible as possible so that it can accommodate the thermal expansion of the heating bars. Circular rings or circular-ring sectors provided with bores and made from a flexible graphite laminate plate are used for this purpose.
EP88107929A 1987-06-06 1988-05-18 Graphite holding device for heating bars in industrial furnaces Expired - Lifetime EP0294623B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88107929T ATE69683T1 (en) 1987-06-06 1988-05-18 GRAPHITE SUPPORT FOR HEATING RODS IN INDUSTRIAL FURNACES.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3719045 1987-06-06
DE19873719045 DE3719045A1 (en) 1987-06-06 1987-06-06 GRAPHITE BRACKET ELEMENTS FOR HEATING RODS IN INDUSTRIAL OVENS

Publications (3)

Publication Number Publication Date
EP0294623A2 EP0294623A2 (en) 1988-12-14
EP0294623A3 true EP0294623A3 (en) 1989-03-22
EP0294623B1 EP0294623B1 (en) 1991-11-21

Family

ID=6329230

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88107929A Expired - Lifetime EP0294623B1 (en) 1987-06-06 1988-05-18 Graphite holding device for heating bars in industrial furnaces

Country Status (9)

Country Link
US (1) US4870256A (en)
EP (1) EP0294623B1 (en)
JP (1) JPS646390A (en)
AT (1) ATE69683T1 (en)
BG (1) BG49510A3 (en)
BR (1) BR8802680A (en)
DE (2) DE3719045A1 (en)
FI (1) FI87966C (en)
IN (1) IN168656B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6777086B2 (en) 2001-08-31 2004-08-17 Julian Norley Laminates prepared from impregnated flexible graphite sheets
US6689992B1 (en) * 2002-01-31 2004-02-10 Sierratherm Production Furnaces, Inc. Connector for an electrical heating element
SE531836C2 (en) 2007-12-05 2009-08-25 Sandvik Intellectual Property Suspension device for conductors for electrical resistance elements
EP2610570B1 (en) * 2011-12-29 2016-11-23 Ipsen, Inc. Heating element arrangement for a vacuum heat treating furnace
DE102012209278B4 (en) * 2012-06-01 2018-04-12 Kgt Graphit Technologie Gmbh susceptor

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1873053A (en) * 1925-09-03 1932-08-23 Globar Corp Electrical heating apparatus
FR1121392A (en) * 1955-03-28 1956-08-13 Advanced training in electric ovens
FR1271869A (en) * 1960-10-15 1961-09-15 Balzers Hochvakuum Method and apparatus for supplying current to an electric resistance heater
FR1491108A (en) * 1966-09-02 1967-08-04 Australlian Atomic Energy Comm Electric resistance furnaces for heating to high temperatures
FR1513935A (en) * 1966-03-11 1968-02-16 Efco Furnaces Ltd Improvements to sets of heating elements for electric ovens
US3476862A (en) * 1968-05-16 1969-11-04 Abar Corp Electric resistance heating elements
DE8708084U1 (en) * 1987-06-06 1987-08-06 Degussa Ag, 6000 Frankfurt, De

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1565398A1 (en) * 1965-09-03 1970-04-16 Atomic Energy Of Australia Heating rod for electric resistance furnaces and heating device formed using such rods
DE2646890C2 (en) * 1976-10-16 1979-09-06 Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt Vacuum furnace with graphite heating
US4429403A (en) * 1981-09-30 1984-01-31 Vac-Aero International Inc. Heating element insulating and support system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1873053A (en) * 1925-09-03 1932-08-23 Globar Corp Electrical heating apparatus
FR1121392A (en) * 1955-03-28 1956-08-13 Advanced training in electric ovens
FR1271869A (en) * 1960-10-15 1961-09-15 Balzers Hochvakuum Method and apparatus for supplying current to an electric resistance heater
FR1513935A (en) * 1966-03-11 1968-02-16 Efco Furnaces Ltd Improvements to sets of heating elements for electric ovens
FR1491108A (en) * 1966-09-02 1967-08-04 Australlian Atomic Energy Comm Electric resistance furnaces for heating to high temperatures
US3476862A (en) * 1968-05-16 1969-11-04 Abar Corp Electric resistance heating elements
DE8708084U1 (en) * 1987-06-06 1987-08-06 Degussa Ag, 6000 Frankfurt, De

Also Published As

Publication number Publication date
FI87966B (en) 1992-11-30
DE3719045A1 (en) 1988-12-15
JPS646390A (en) 1989-01-10
EP0294623B1 (en) 1991-11-21
BG49510A3 (en) 1991-11-15
ATE69683T1 (en) 1991-12-15
FI882207A (en) 1988-12-07
FI882207A0 (en) 1988-05-11
US4870256A (en) 1989-09-26
FI87966C (en) 1993-03-10
BR8802680A (en) 1988-12-27
IN168656B (en) 1991-05-18
DE3866287D1 (en) 1992-01-02
EP0294623A2 (en) 1988-12-14

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