DE1171877B - Vakuumofen - Google Patents

Vakuumofen

Info

Publication number
DE1171877B
DE1171877B DED41218A DED0041218A DE1171877B DE 1171877 B DE1171877 B DE 1171877B DE D41218 A DED41218 A DE D41218A DE D0041218 A DED0041218 A DE D0041218A DE 1171877 B DE1171877 B DE 1171877B
Authority
DE
Germany
Prior art keywords
side walls
boiler
heating chamber
vacuum furnace
gas
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.)
Pending
Application number
DED41218A
Other languages
German (de)
English (en)
Inventor
Friedrich Krall
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 DED41218A priority Critical patent/DE1171877B/de
Priority to CH64264A priority patent/CH456052A/de
Priority to AT76164A priority patent/AT253551B/de
Priority to NL6401333A priority patent/NL6401333A/xx
Priority to GB652464A priority patent/GB1012195A/en
Priority to BE645716D priority patent/BE645716A/xx
Publication of DE1171877B publication Critical patent/DE1171877B/de
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C21D1/34—Methods of heating
    • C21D1/40—Direct resistance heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B01J3/006—Processes utilising sub-atmospheric pressure; Apparatus therefor
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Furnace Details (AREA)
DED41218A 1963-03-26 1963-03-26 Vakuumofen Pending DE1171877B (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DED41218A DE1171877B (de) 1963-03-26 1963-03-26 Vakuumofen
CH64264A CH456052A (de) 1963-03-26 1964-01-21 Vakuumofen
AT76164A AT253551B (de) 1963-03-26 1964-01-31 Vakuumofen
NL6401333A NL6401333A (en:Method) 1963-03-26 1964-02-14
GB652464A GB1012195A (en) 1963-03-26 1964-02-17 Vacuum furnaces
BE645716D BE645716A (en:Method) 1963-03-26 1964-03-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED41218A DE1171877B (de) 1963-03-26 1963-03-26 Vakuumofen

Publications (1)

Publication Number Publication Date
DE1171877B true DE1171877B (de) 1964-06-11

Family

ID=7045958

Family Applications (1)

Application Number Title Priority Date Filing Date
DED41218A Pending DE1171877B (de) 1963-03-26 1963-03-26 Vakuumofen

Country Status (6)

Country Link
AT (1) AT253551B (en:Method)
BE (1) BE645716A (en:Method)
CH (1) CH456052A (en:Method)
DE (1) DE1171877B (en:Method)
GB (1) GB1012195A (en:Method)
NL (1) NL6401333A (en:Method)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3301541A (en) * 1964-06-12 1967-01-31 The Illinois National Bank Co Heat treating furnace with circulated gas quench
CN103486854A (zh) * 2013-10-12 2014-01-01 江苏高皓工业炉有限公司 一种可用于局部加热的钟罩炉

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS589806B2 (ja) * 1977-03-30 1983-02-23 住友電気工業株式会社 粉末冶金用焼結炉
CH621366A5 (en:Method) * 1977-05-09 1981-01-30 Balzers Hochvakuum
US5524020A (en) * 1994-08-23 1996-06-04 Grier-Jhawar-Mercer, Inc. Vacuum furnace with movable hot zone
DE19813910A1 (de) * 1998-03-28 1999-09-30 Ald Vacuum Techn Gmbh Vorrichtung zur Wärmebehandlung von plattenförmigen beschichteten Substraten
CN110421162B (zh) * 2019-08-02 2021-05-04 金华中烨超硬材料有限公司 混合粒度聚晶金刚石复合片的制备工艺

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3301541A (en) * 1964-06-12 1967-01-31 The Illinois National Bank Co Heat treating furnace with circulated gas quench
CN103486854A (zh) * 2013-10-12 2014-01-01 江苏高皓工业炉有限公司 一种可用于局部加热的钟罩炉
CN103486854B (zh) * 2013-10-12 2015-04-22 江苏高皓工业炉有限公司 一种可用于局部加热的钟罩炉

Also Published As

Publication number Publication date
NL6401333A (en:Method) 1964-09-28
BE645716A (en:Method) 1964-07-16
CH456052A (de) 1968-05-15
GB1012195A (en) 1965-12-08
AT253551B (de) 1967-04-10

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