FR2213352B1 - - Google Patents

Info

Publication number
FR2213352B1
FR2213352B1 FR7332976A FR7332976A FR2213352B1 FR 2213352 B1 FR2213352 B1 FR 2213352B1 FR 7332976 A FR7332976 A FR 7332976A FR 7332976 A FR7332976 A FR 7332976A FR 2213352 B1 FR2213352 B1 FR 2213352B1
Authority
FR
France
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.)
Expired
Application number
FR7332976A
Other versions
FR2213352A1 (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2213352A1 publication Critical patent/FR2213352A1/fr
Application granted granted Critical
Publication of FR2213352B1 publication Critical patent/FR2213352B1/fr
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/76Adjusting the composition of the atmosphere
    • C21D1/763Adjusting the composition of the atmosphere using a catalyst
FR7332976A 1972-09-16 1973-09-13 Expired FR2213352B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1353572A CH579757A5 (fr) 1972-09-16 1972-09-16

Publications (2)

Publication Number Publication Date
FR2213352A1 FR2213352A1 (fr) 1974-08-02
FR2213352B1 true FR2213352B1 (fr) 1976-05-07

Family

ID=4393264

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7332976A Expired FR2213352B1 (fr) 1972-09-16 1973-09-13

Country Status (10)

Country Link
US (1) US3917238A (fr)
AT (1) AT337239B (fr)
CH (1) CH579757A5 (fr)
DD (1) DD107308A5 (fr)
DE (1) DE2346287C2 (fr)
ES (1) ES418741A1 (fr)
FR (1) FR2213352B1 (fr)
GB (1) GB1441758A (fr)
IT (1) IT993200B (fr)
SE (1) SE401935B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51117934A (en) * 1975-04-09 1976-10-16 Fujikoshi Kk Droppinggtype gas carburizing furnace
US4369031A (en) * 1981-09-15 1983-01-18 Thermco Products Corporation Gas control system for chemical vapor deposition system
US7033446B2 (en) * 2001-07-27 2006-04-25 Surface Combustion, Inc. Vacuum carburizing with unsaturated aromatic hydrocarbons
US6991687B2 (en) 2001-07-27 2006-01-31 Surface Combustion, Inc. Vacuum carburizing with napthene hydrocarbons
DE102009038598B4 (de) * 2009-08-26 2017-06-22 Ipsen International Gmbh Verfahren und Vorrichtung zur Aufbereitung von Prozessgasen für Wärmebehandlungen von metallischen Werkstoffen/Werkstücken in Industrieöfen

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2124573A (en) * 1936-10-21 1938-07-26 Carl I Hayes Enveloping atmosphere control
US2275106A (en) * 1939-02-20 1942-03-03 Carl I Hayes Circulation of heat treatment atmospheres
DE752976C (de) * 1939-04-29 1953-02-02 Westinghouse Electric & Mfg Co Gaserzeuger zur Herstellung nicht entkohlend wirkender Gase
US2254047A (en) * 1939-06-23 1941-08-26 Westinghouse Electric & Mfg Co Built-in gas generator for industrial furnaces
FR1042529A (fr) * 1951-10-02 1953-11-02 Renault Procédé d'obtention d'atmosphère neutre pour le traitement thermique des métaux
DE1433735B1 (de) * 1963-09-21 1969-09-04 Werner Goehring Verfahren zur Erzielung einer Ofenatmosphaere,mit der eine oxydationsfreie Waermebehandlung von Werkstuecken aus Stahl unter gleichzeitiger Beeinflussung des Kohlenstoffgehalts durchfuehrbar ist
US3644099A (en) * 1969-09-15 1972-02-22 Holcroft & Co Gas atmosphere generating means for heat-treating furnaces
US3632979A (en) * 1970-05-25 1972-01-04 Edward J Mccrink Converter for producing controlled atmosphere for heat treating
FR2112825A5 (en) * 1970-11-10 1972-06-23 Inst Elektrotermicheskogo Obor Atmosphere forming cell - permits simultaneous prod of two distinct atmospheres

Also Published As

Publication number Publication date
SE401935B (sv) 1978-06-05
AT337239B (de) 1977-06-27
DE2346287C2 (de) 1984-06-14
US3917238A (en) 1975-11-04
DD107308A5 (fr) 1974-07-20
DE2346287A1 (de) 1974-05-02
IT993200B (it) 1975-09-30
CH579757A5 (fr) 1976-09-15
GB1441758A (en) 1976-07-07
ATA753373A (de) 1976-10-15
ES418741A1 (es) 1976-06-16
FR2213352A1 (fr) 1974-08-02

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Legal Events

Date Code Title Description
ST Notification of lapse