FR2368003A1 - Four a vide chauffe au moyen d'elements en graphite - Google Patents
Four a vide chauffe au moyen d'elements en graphiteInfo
- Publication number
- FR2368003A1 FR2368003A1 FR7730741A FR7730741A FR2368003A1 FR 2368003 A1 FR2368003 A1 FR 2368003A1 FR 7730741 A FR7730741 A FR 7730741A FR 7730741 A FR7730741 A FR 7730741A FR 2368003 A1 FR2368003 A1 FR 2368003A1
- Authority
- FR
- France
- Prior art keywords
- vacuum oven
- oven heated
- graphite elements
- elements
- 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
Links
Classifications
-
- 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
- Resistance Heating (AREA)
- Furnace Details (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Abstract
a. L'invention concerne un four à vide pour la carburation des aciers, chauffé par des éléments chauffants en graphite. b. Ce four est caractérisé en ce que les éléments chauffants sont constitués par des plaques minces de graphite, flexibles de 0,5 à 3 mm d'épaisseur. c. Ces éléments présentent une très bonne résistance mécanique et une bonne résistance électrique.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2646890A DE2646890C2 (de) | 1976-10-16 | 1976-10-16 | Vakuumofen mit Graphitheizung |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2368003A1 true FR2368003A1 (fr) | 1978-05-12 |
FR2368003B1 FR2368003B1 (fr) | 1982-04-09 |
Family
ID=5990686
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7730741A Granted FR2368003A1 (fr) | 1976-10-16 | 1977-10-12 | Four a vide chauffe au moyen d'elements en graphite |
Country Status (9)
Country | Link |
---|---|
US (1) | US4180697A (fr) |
JP (1) | JPS5392312A (fr) |
AT (1) | AT357591B (fr) |
CH (1) | CH620076A5 (fr) |
DE (1) | DE2646890C2 (fr) |
FR (1) | FR2368003A1 (fr) |
GB (1) | GB1584070A (fr) |
IT (1) | IT1091197B (fr) |
YU (1) | YU222777A (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2801170C2 (de) * | 1978-01-12 | 1984-05-10 | Degussa Ag, 6000 Frankfurt | Graphitheizkörper zur Beheizung von Öfen und Pressen und Verfahren zur Herstellung solcher Heizkörper |
JPH0355277Y2 (fr) * | 1985-03-29 | 1991-12-09 | ||
DE3719045A1 (de) * | 1987-06-06 | 1988-12-15 | Degussa | Halterungselemente aus graphit fuer heizstaebe in industrieoefen |
DE3807721A1 (de) * | 1988-03-09 | 1989-09-28 | Abicht Roland | Vorrichtung zur halterung von elektrischen heizleitern in industrieoefen |
US5414927A (en) * | 1993-03-30 | 1995-05-16 | Union Oil Co | Furnace elements made from graphite sheets |
GB2349785B (en) * | 1999-12-06 | 2001-03-28 | Kanthal Ltd | Electrical heating elements |
DE102004025033B4 (de) * | 2004-05-18 | 2006-05-11 | Sgl Carbon Ag | Vorrichtung zum Heizen mit Heizelementen aus Graphitfolien |
JP6548895B2 (ja) | 2014-12-26 | 2019-07-24 | Dowaサーモテック株式会社 | ヒーターユニット及び浸炭炉 |
DE102016225685A1 (de) * | 2016-12-20 | 2018-06-21 | Sgl Carbon Se | Neuartiger Verbund |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2476916A (en) * | 1945-09-08 | 1949-07-19 | Westinghouse Electric Corp | Electric resistance vacuum furnace |
GB1124151A (en) * | 1965-07-15 | 1968-08-21 | Hayes Inc C I | Electric furnace construction |
US3525795A (en) * | 1968-04-29 | 1970-08-25 | Hayes Inc C I | Electric furnace and tubular heating element for use therewith |
US3855453A (en) * | 1969-06-25 | 1974-12-17 | Allied Chem | Apparatus for controlled quenching of melt extruded filaments |
FR2305703A1 (fr) * | 1975-03-25 | 1976-10-22 | Secr Defence Brit | Four electrique d'impregnation |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3120597A (en) * | 1961-09-27 | 1964-02-04 | Baird Atomic Inc | High temperature furnace |
FR2067967A5 (fr) * | 1969-11-24 | 1971-08-20 | Anvar | |
US4055723A (en) * | 1976-07-19 | 1977-10-25 | Leeds & Northrup Company | Heater support element for electric furnace |
-
1976
- 1976-10-16 DE DE2646890A patent/DE2646890C2/de not_active Expired
-
1977
- 1977-09-21 YU YU02227/77A patent/YU222777A/xx unknown
- 1977-10-12 FR FR7730741A patent/FR2368003A1/fr active Granted
- 1977-10-12 US US05/841,582 patent/US4180697A/en not_active Expired - Lifetime
- 1977-10-13 GB GB42638/77A patent/GB1584070A/en not_active Expired
- 1977-10-14 IT IT69299/77A patent/IT1091197B/it active
- 1977-10-14 JP JP12339777A patent/JPS5392312A/ja active Pending
- 1977-10-14 AT AT737677A patent/AT357591B/de not_active IP Right Cessation
- 1977-10-14 CH CH1260977A patent/CH620076A5/de not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2476916A (en) * | 1945-09-08 | 1949-07-19 | Westinghouse Electric Corp | Electric resistance vacuum furnace |
GB1124151A (en) * | 1965-07-15 | 1968-08-21 | Hayes Inc C I | Electric furnace construction |
US3525795A (en) * | 1968-04-29 | 1970-08-25 | Hayes Inc C I | Electric furnace and tubular heating element for use therewith |
US3855453A (en) * | 1969-06-25 | 1974-12-17 | Allied Chem | Apparatus for controlled quenching of melt extruded filaments |
FR2305703A1 (fr) * | 1975-03-25 | 1976-10-22 | Secr Defence Brit | Four electrique d'impregnation |
Also Published As
Publication number | Publication date |
---|---|
CH620076A5 (fr) | 1980-10-31 |
FR2368003B1 (fr) | 1982-04-09 |
JPS5392312A (en) | 1978-08-14 |
AT357591B (de) | 1980-07-25 |
IT1091197B (it) | 1985-06-26 |
ATA737677A (de) | 1979-12-15 |
YU222777A (en) | 1982-05-31 |
DE2646890C2 (de) | 1979-09-06 |
GB1584070A (en) | 1981-02-04 |
US4180697A (en) | 1979-12-25 |
DE2646890B1 (de) | 1978-02-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |