AR246346A1 - Un procedimiento de elaboracion de una atmosfera de tratamiento termico. - Google Patents

Un procedimiento de elaboracion de una atmosfera de tratamiento termico.

Info

Publication number
AR246346A1
AR246346A1 AR32100391A AR32100391A AR246346A1 AR 246346 A1 AR246346 A1 AR 246346A1 AR 32100391 A AR32100391 A AR 32100391A AR 32100391 A AR32100391 A AR 32100391A AR 246346 A1 AR246346 A1 AR 246346A1
Authority
AR
Argentina
Prior art keywords
treatment atmosphere
production
thermic treatment
installation therefor
therefor
Prior art date
Application number
AR32100391A
Other languages
English (en)
Original Assignee
Air Liquide
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=9401584&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AR246346(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Air Liquide filed Critical Air Liquide
Application granted granted Critical
Publication of AR246346A1 publication Critical patent/AR246346A1/es

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
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/76—Adjusting the composition of the atmosphere
    • C21D1/763—Adjusting the composition of the atmosphere using a catalyst
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Catalysts (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)

Abstract

UN PROCEDIMIENTO DE ELABORACION DE UNA ATMOSFERA DE TRATAMIENTO TERMICO QUE COMPRENDE MAYORITARIAMENTE NITROGENO Y TENORES CONTROLADOS DE ESPECIES REDUCTORAS O CARBURANTES Y OXIDANTES O DESCARBURANTES, POR REACCION CATALITICA DE UNA MEZCLA DE HIDROCARBUROS Y DE NITROGENO IMPURO CON UN TENOR RESIDUAL DE OXIGENO SUPERIOR A 0,5%, SIENDO LA REACCION EFECTUADA A UNA TEMPERATURA ENTRE 400 Y 90O*C CON UN CATALIZADOR CON BASE DE METALES PRECIOSOS.
AR32100391A 1990-10-26 1991-10-25 Un procedimiento de elaboracion de una atmosfera de tratamiento termico. AR246346A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9013279A FR2668584B1 (fr) 1990-10-26 1990-10-26 Procede d'elaboration d'une atmosphere de traitement thermique et installation de traitement thermique.

Publications (1)

Publication Number Publication Date
AR246346A1 true AR246346A1 (es) 1994-07-29

Family

ID=9401584

Family Applications (1)

Application Number Title Priority Date Filing Date
AR32100391A AR246346A1 (es) 1990-10-26 1991-10-25 Un procedimiento de elaboracion de una atmosfera de tratamiento termico.

Country Status (10)

Country Link
US (1) US5242509A (es)
EP (2) EP0482992B1 (es)
JP (1) JP2634717B2 (es)
AR (1) AR246346A1 (es)
AU (1) AU643332B2 (es)
BR (1) BR9104637A (es)
CA (1) CA2054036C (es)
DE (2) DE69118309T2 (es)
ES (1) ES2085448T3 (es)
FR (1) FR2668584B1 (es)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4212307C2 (de) * 1992-04-13 1994-07-28 Messer Griesheim Gmbh Verfahren zur Herstellung eines Schutz- oder Reaktionsgases für die Wärmebehandlung von Metallen
US5417774A (en) * 1992-12-22 1995-05-23 Air Products And Chemicals, Inc. Heat treating atmospheres
US5320818A (en) * 1992-12-22 1994-06-14 Air Products And Chemicals, Inc. Deoxygenation of non-cryogenically produced nitrogen with a hydrocarbon
US5298090A (en) * 1992-12-22 1994-03-29 Air Products And Chemicals, Inc. Atmospheres for heat treating non-ferrous metals and alloys
US5968457A (en) * 1994-06-06 1999-10-19 Praxair Technology, Inc. Apparatus for producing heat treatment atmospheres
US5441581A (en) * 1994-06-06 1995-08-15 Praxair Technology, Inc. Process and apparatus for producing heat treatment atmospheres
DE19545764C2 (de) * 1995-12-07 2000-02-17 Linde Ag Verfahren zur Schutzgaserzeugung für einen Wärmebehandlungsofen und Wärmebehandlungsanlage
US6531105B1 (en) 1996-02-29 2003-03-11 L'air Liquide-Societe Anonyme A'directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude Process and apparatus for removing carbon monoxide from a gas stream
EP0792679A1 (en) * 1996-02-29 1997-09-03 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Process and apparatus for removing oxygen and carbon monoxide from a gas stream
ATE196511T1 (de) * 1996-03-20 2000-10-15 Sol Spa Verfahren und vorrichtung zur wärmebehandlung metallischer werkstücke unter schutzgas
NZ314334A (en) * 1996-04-19 1997-09-22 Boc Group Inc Method of heat treating a metal with nitrogen rich gas preheated and then having oxygen-reactive gas added
FR2747594B1 (fr) * 1996-04-23 1998-05-29 Air Liquide Procede et installation d'elaboration d'une atmosphere de traitement thermique
US6007763A (en) * 1996-04-23 1999-12-28 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Process and installation for preparing a heat treatment atmosphere
FR2747593B1 (fr) * 1996-04-23 1998-05-29 Air Liquide Procede d'elaboration d'une atmosphere de traitement thermique et methode de regulation d'un tel procede
US5735970A (en) * 1996-05-30 1998-04-07 Air Liquide America Corporation Apparatus and process for the production of a neutral atmosphere
DE19651878C2 (de) * 1996-12-13 2002-01-17 Messer Griesheim Gmbh Verfahren zum Herstellen eines Schutz- oder Reaktionsgases für die Wärmebehandlung von Metallen
FR2760758B1 (fr) * 1997-03-13 1999-04-23 Air Liquide Installation de surveillance d'un appareil de generation d'atmosphere
IT1291205B1 (it) * 1997-03-18 1998-12-29 Rivoira S P A Procedimento per la generazione di un'atmosfera protettiva a basso punto di rugiada ed esente da ossigeno, per l'effettuazione di
US5996746A (en) * 1997-07-03 1999-12-07 Rockshox, Inc. Adjustable twin tube shock absorber
US6458217B1 (en) 2000-02-29 2002-10-01 American Air Liquide, Inc. Superadiabatic combustion generation of reducing atmosphere for metal heat treatment
DE10050673C1 (de) * 2000-10-04 2002-04-18 Kohnle W Waermebehandlung Verfahren zum Anlassen von Werkstücken in einem Ofen unter einer Schutzgasatmoshäre
US20040224028A1 (en) * 2003-05-09 2004-11-11 Popplewell Lewis Michael Polymer particles and methods for their preparation and use
EP1739200A1 (fr) * 2005-06-28 2007-01-03 UGINE & ALZ FRANCE Bande en acier inoxydable austenitique présentant un aspect de surface brillant et d'excellentes caractéristiques mécaniques
FR2915694B1 (fr) * 2007-05-03 2009-06-05 Air Liquide Procede ameliore de brasage d'aluminium a pression atmospherique

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB671421A (en) * 1949-08-12 1952-05-07 Edward Alfred Wheeley Improvements in and relating to production of nitrogen or nitrogen-hydrogen mixtures
GB2018299A (en) * 1978-01-17 1979-10-17 Boc Ltd Heat treatment of metal
JPS56152859A (en) * 1980-04-28 1981-11-26 Sumitomo Naugatuck Co Ltd Elastomer composition
JPS585259A (ja) * 1981-07-03 1983-01-12 Toppan Printing Co Ltd 印刷における見当判別方法
DE3630833A1 (de) * 1986-09-10 1988-03-17 Linde Ag Verfahren und vorrichtung zur waermebehandlung metallischer werkstuecke
FR2639250B1 (es) * 1988-11-24 1990-12-28 Air Liquide

Also Published As

Publication number Publication date
FR2668584A1 (fr) 1992-04-30
US5242509A (en) 1993-09-07
BR9104637A (pt) 1992-06-09
ES2085448T3 (es) 1996-06-01
DE69118309D1 (de) 1996-05-02
CA2054036A1 (fr) 1992-04-27
AU643332B2 (en) 1993-11-11
EP0482992A1 (fr) 1992-04-29
JPH05140641A (ja) 1993-06-08
EP0692545A1 (fr) 1996-01-17
EP0482992B1 (fr) 1996-03-27
CA2054036C (fr) 2001-05-15
FR2668584B1 (fr) 1994-03-18
DE9117076U1 (de) 1995-11-23
AU8671591A (en) 1992-04-30
JP2634717B2 (ja) 1997-07-30
DE69118309T2 (de) 1996-11-21

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