DE58904311D1 - Ofen zur waermebehandlung von eisen- und stahlteilen. - Google Patents
Ofen zur waermebehandlung von eisen- und stahlteilen.Info
- Publication number
- DE58904311D1 DE58904311D1 DE8989104384T DE58904311T DE58904311D1 DE 58904311 D1 DE58904311 D1 DE 58904311D1 DE 8989104384 T DE8989104384 T DE 8989104384T DE 58904311 T DE58904311 T DE 58904311T DE 58904311 D1 DE58904311 D1 DE 58904311D1
- Authority
- DE
- Germany
- Prior art keywords
- oven
- iron
- heat treatment
- steel parts
- steel
- 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.)
- Revoked
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
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/04—Circulating atmospheres by mechanical means
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
- C21D1/767—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material with forced gas circulation; Reheating thereof
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
- C21D1/773—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material under reduced pressure or vacuum
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Details (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3818471A DE3818471A1 (de) | 1988-05-31 | 1988-05-31 | Ofen zur waermebehandlung von eisen- und stahlteilen |
Publications (1)
Publication Number | Publication Date |
---|---|
DE58904311D1 true DE58904311D1 (de) | 1993-06-17 |
Family
ID=6355503
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3818471A Withdrawn DE3818471A1 (de) | 1988-05-31 | 1988-05-31 | Ofen zur waermebehandlung von eisen- und stahlteilen |
DE8989104384T Revoked DE58904311D1 (de) | 1988-05-31 | 1989-03-13 | Ofen zur waermebehandlung von eisen- und stahlteilen. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3818471A Withdrawn DE3818471A1 (de) | 1988-05-31 | 1988-05-31 | Ofen zur waermebehandlung von eisen- und stahlteilen |
Country Status (3)
Country | Link |
---|---|
US (1) | US4970372A (de) |
EP (1) | EP0344413B1 (de) |
DE (2) | DE3818471A1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2579561B2 (ja) * | 1991-03-22 | 1997-02-05 | 東海カーボン株式会社 | SiCウイスカーの製造装置 |
US5267257A (en) * | 1991-08-14 | 1993-11-30 | Grier-Jhawar-Mercer, Inc. | Vacuum furnace with convection heating and cooling |
DE4400326C2 (de) * | 1994-01-07 | 2002-10-31 | Ald Vacuum Techn Ag | Vorrichtung zum Härten metallischer Werkstücke |
US6080964A (en) * | 1998-04-16 | 2000-06-27 | Micafil Vakuumtechnik Ag | Process for predrying a coil block containing at least one winding and solid insulation |
DE10022788B4 (de) * | 2000-05-10 | 2005-11-24 | Kramer, Carl, Prof. Dr.-Ing. | Heißgasventilator zum Einbau in einen Kammerofen |
KR100988570B1 (ko) * | 2003-04-10 | 2010-10-19 | 삼성전자주식회사 | 가열조리기 |
US7598477B2 (en) * | 2005-02-07 | 2009-10-06 | Guy Smith | Vacuum muffle quench furnace |
US7531769B2 (en) * | 2006-06-13 | 2009-05-12 | Guy Smith | Carbon fiber composite muffle |
EP2218998B1 (de) * | 2009-02-03 | 2012-12-19 | Ipsen, Inc. | Dichtungsmechanismus für einen Vakuumwärmebehandlungsofen |
AT525036B1 (de) | 2022-02-09 | 2022-12-15 | Ebner Ind Ofenbau | Heizvorrichtung |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE275586C (de) * | 1900-01-01 | |||
US845051A (en) * | 1906-12-06 | 1907-02-26 | Rolf Von Brockdorff | Electric-resistance apparatus. |
US1809227A (en) * | 1926-03-11 | 1931-06-09 | Thaddeus F Baily | Metallic resistor element |
FR2315541A1 (fr) * | 1975-06-24 | 1977-01-21 | Vide & Traitement Sa | Four pour traitements thermiques ou thermochimiques a deux systemes de chauffage |
DE2732133C2 (de) * | 1977-07-15 | 1982-09-02 | Linde Ag, 6200 Wiesbaden | Elektroerhitzer |
DE2839807C2 (de) * | 1978-09-13 | 1986-04-17 | Degussa Ag, 6000 Frankfurt | Vakuumofen mit Gaskühleinrichtung |
DE3735186C1 (de) * | 1987-10-17 | 1988-09-15 | Ulrich Wingens | Vakuum-Kammerofen |
DE3736502C1 (de) * | 1987-10-28 | 1988-06-09 | Degussa | Vakuumofen zur Waermebehandlung metallischer Werkstuecke |
-
1988
- 1988-05-31 DE DE3818471A patent/DE3818471A1/de not_active Withdrawn
-
1989
- 1989-03-13 EP EP89104384A patent/EP0344413B1/de not_active Revoked
- 1989-03-13 DE DE8989104384T patent/DE58904311D1/de not_active Revoked
- 1989-05-31 US US07/359,407 patent/US4970372A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US4970372A (en) | 1990-11-13 |
EP0344413B1 (de) | 1993-05-12 |
EP0344413A1 (de) | 1989-12-06 |
DE3818471A1 (de) | 1989-12-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8339 | Ceased/non-payment of the annual fee | ||
8331 | Complete revocation | ||
8380 | Miscellaneous part iii |
Free format text: IM HEFT 10/96, SEITE 3180, SP.3: DIE VEROEFFENTLICHUNG IST ZU STREICHEN |