FR2376214A1 - Four sous vide pour traitement de revenu en atmosphere controlee - Google Patents

Four sous vide pour traitement de revenu en atmosphere controlee

Info

Publication number
FR2376214A1
FR2376214A1 FR7738141A FR7738141A FR2376214A1 FR 2376214 A1 FR2376214 A1 FR 2376214A1 FR 7738141 A FR7738141 A FR 7738141A FR 7738141 A FR7738141 A FR 7738141A FR 2376214 A1 FR2376214 A1 FR 2376214A1
Authority
FR
France
Prior art keywords
heating chamber
compartment
stock
insulating layer
tool 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.)
Granted
Application number
FR7738141A
Other languages
English (en)
Other versions
FR2376214B1 (fr
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
Application filed by Ipsen International GmbH filed Critical Ipsen International GmbH
Publication of FR2376214A1 publication Critical patent/FR2376214A1/fr
Application granted granted Critical
Publication of FR2376214B1 publication Critical patent/FR2376214B1/fr
Granted 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0043—Muffle furnaces; Retort furnaces
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Furnace Details (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)

Abstract

Four comprenant une chambre de chauffage et une chambre de refroidissement. La cloison 1 de la chambre de chauffage est entourée à distance d'une enveloppe extérieure 6 et l'espace compris entre cette cloison et cette enveloppe est rempli d'un garnissage d'isolation 5, la chambre de chauffage 20 ne renfermant aucune substance absorbant et/ou contenant de l'humidité et des gaz. Application au traitement thermique de pièces, en particulier au recuit blanc d'aciers à outils.
FR7738141A 1976-12-17 1977-12-16 Four sous vide pour traitement de revenu en atmosphere controlee Granted FR2376214A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19767639482 DE7639482U1 (de) 1976-12-17 1976-12-17 Schutzgas-anlassofen mit vakuumspuelung

Publications (2)

Publication Number Publication Date
FR2376214A1 true FR2376214A1 (fr) 1978-07-28
FR2376214B1 FR2376214B1 (fr) 1982-11-19

Family

ID=6672279

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7738141A Granted FR2376214A1 (fr) 1976-12-17 1977-12-16 Four sous vide pour traitement de revenu en atmosphere controlee

Country Status (2)

Country Link
DE (1) DE7639482U1 (fr)
FR (1) FR2376214A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4462577A (en) * 1982-12-16 1984-07-31 C.I. Hayes Inc. Apparatus for gas cooling work parts under high pressure in a continuous heat treating vacuum furnace

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1128769A (en) * 1966-04-21 1968-10-02 Alco Standard Corp Heat treatment furnace
FR2128409A1 (fr) * 1971-03-01 1972-10-20 Ipsen Ind Int Gmbh
FR2298073A1 (fr) * 1975-01-15 1976-08-13 Ipsen Ind Int Gmbh Procede destine a fair
FR2311095A1 (fr) * 1975-05-16 1976-12-10 Vide & Traitement Sa Four pour le traitement thermique, sous vide et sous atmospheres, de metaux

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1128769A (en) * 1966-04-21 1968-10-02 Alco Standard Corp Heat treatment furnace
FR2128409A1 (fr) * 1971-03-01 1972-10-20 Ipsen Ind Int Gmbh
FR2298073A1 (fr) * 1975-01-15 1976-08-13 Ipsen Ind Int Gmbh Procede destine a fair
FR2311095A1 (fr) * 1975-05-16 1976-12-10 Vide & Traitement Sa Four pour le traitement thermique, sous vide et sous atmospheres, de metaux

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
NV215/74 *
NV611/76 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4462577A (en) * 1982-12-16 1984-07-31 C.I. Hayes Inc. Apparatus for gas cooling work parts under high pressure in a continuous heat treating vacuum furnace

Also Published As

Publication number Publication date
FR2376214B1 (fr) 1982-11-19
DE7639482U1 (de) 1977-03-24

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Legal Events

Date Code Title Description
ST Notification of lapse