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
Application number
DE8989104384T
Other languages
English (en)
Inventor
Albert Fleiter
Wolfgang Dipl Ing Peter
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.)
Ipsen International GmbH
Original Assignee
Ipsen International 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6355503&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE58904311(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ipsen International GmbH filed Critical Ipsen International GmbH
Application granted granted Critical
Publication of DE58904311D1 publication Critical patent/DE58904311D1/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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)
DE8989104384T 1988-05-31 1989-03-13 Ofen zur waermebehandlung von eisen- und stahlteilen. Revoked DE58904311D1 (de)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
EP0344413A1 (de) 1989-12-06
EP0344413B1 (de) 1993-05-12
US4970372A (en) 1990-11-13
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

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