CA918418A - Apparatus for minimizing atmosphere upset in a furnace for heat treating articles - Google Patents

Apparatus for minimizing atmosphere upset in a furnace for heat treating articles

Info

Publication number
CA918418A
CA918418A CA053938A CA53938A CA918418A CA 918418 A CA918418 A CA 918418A CA 053938 A CA053938 A CA 053938A CA 53938 A CA53938 A CA 53938A CA 918418 A CA918418 A CA 918418A
Authority
CA
Canada
Prior art keywords
upset
furnace
heat treating
treating articles
minimizing
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.)
Expired
Application number
CA053938A
Other languages
English (en)
Inventor
A. Lincoln Joseph
E. Cullen Orville
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.)
Midland Ross Corp
Original Assignee
Midland Ross Corp
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 Midland Ross Corp filed Critical Midland Ross Corp
Application granted granted Critical
Publication of CA918418A publication Critical patent/CA918418A/en
Expired 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
    • F27D99/00—Subject matter not provided for in other groups of this subclass
    • F27D99/0073—Seals
    • F27D99/0075—Gas curtain seals
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Furnace Details (AREA)
  • Heat Treatment Of Articles (AREA)
  • Tunnel Furnaces (AREA)
CA053938A 1968-11-13 1969-06-10 Apparatus for minimizing atmosphere upset in a furnace for heat treating articles Expired CA918418A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US77545968A 1968-11-13 1968-11-13

Publications (1)

Publication Number Publication Date
CA918418A true CA918418A (en) 1973-01-09

Family

ID=25104496

Family Applications (1)

Application Number Title Priority Date Filing Date
CA053938A Expired CA918418A (en) 1968-11-13 1969-06-10 Apparatus for minimizing atmosphere upset in a furnace for heat treating articles

Country Status (5)

Country Link
US (1) US3575398A (enrdf_load_stackoverflow)
JP (1) JPS4814523B1 (enrdf_load_stackoverflow)
CA (1) CA918418A (enrdf_load_stackoverflow)
GB (1) GB1286986A (enrdf_load_stackoverflow)
SE (1) SE360111B (enrdf_load_stackoverflow)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3994210A (en) * 1975-11-24 1976-11-30 Powlesland Engineering Limited Jet fume control systems
JPS5448942U (enrdf_load_stackoverflow) * 1977-09-12 1979-04-05
GB2139741B (en) * 1983-05-04 1988-06-08 Air Prod & Chem Method of operating heat treatment furnace
DE3640324A1 (de) * 1986-11-26 1988-06-09 Ipsen Ind Int Gmbh Verfahren und vorrichtung zur gestaltung einer flammenfront an einer beschickungsoeffnung eines waermebehandlungsofens
FR2612619B1 (fr) * 1987-03-17 1989-07-13 Air Liquide Procede pour limiter les entrees d'air dans un four et four pour la mise en oeuvre de ce procede
US4898319A (en) * 1987-12-04 1990-02-06 Bruce T. Williams Ambient air exclusion system for brazing ovens
US4823680A (en) * 1987-12-07 1989-04-25 Union Carbide Corporation Wide laminar fluid doors
DE3743598A1 (de) * 1987-12-22 1989-07-13 Kramer Carl Vorrichtung zur beruehrungsfreien abdichtung einer oeffnung gegen aus- oder eintretendes gas
FR2627849B1 (fr) * 1988-02-26 1991-07-12 Vieillard Guy Dispositif d'obturation permettant la mise en place d'un appareil de mesure ou d'intervention dans une enceinte a atmosphere chaude et sous pression
IT1220312B (it) * 1988-03-15 1990-06-15 Mouva Matrix Srl Forno con alimentazione dei pezzi in continuo per la sinterizzazione di polveri di metalli pressate
DE3827267A1 (de) * 1988-08-31 1990-03-08 Herbert Koch Begasungseinrichtung fuer waermebehandlungsanlagen mit schutz- oder reaktionsgasbetrieb
US4940376A (en) * 1988-10-12 1990-07-10 Mph Industries, Inc. Scrap loader for molten metal furnace
US5230460A (en) * 1990-06-13 1993-07-27 Electrovert Ltd. High volume convection preheater for wave soldering
US5125556A (en) * 1990-09-17 1992-06-30 Electrovert Ltd. Inerted IR soldering system
US5306209A (en) * 1992-05-04 1994-04-26 Lang Fred D Contaminant shield for viewing ports
FR2695715B1 (fr) * 1992-09-11 1994-11-25 Unimetall Sa Porte de décrassage d'un four électrique à arc.
US5655563A (en) * 1994-12-19 1997-08-12 Ecolab Inc. Dispensing apparatus with line pressure diverter
IL119434A (en) * 1995-11-27 2000-01-31 Boc Group Inc Furnace
US5965048A (en) * 1998-11-20 1999-10-12 General Electric Company Heated chamber including an open wall with a gas curtain
US20020195056A1 (en) * 2000-05-12 2002-12-26 Gurtej Sandhu Versatile atomic layer deposition apparatus
FR2917817B1 (fr) * 2007-06-21 2016-05-27 Stein Heurtey Dispositif permettant de limiter l'echappement de fumees de combustion a l'entree d'un four de rechauffage de produits siderurgiques
DE102009041041B4 (de) * 2009-09-10 2011-07-14 ALD Vacuum Technologies GmbH, 63450 Verfahren und Vorrichtung zum Härten von Werkstücken, sowie nach dem Verfahren gehärtete Werkstücke
US10196730B2 (en) 2009-09-10 2019-02-05 Ald Vacuum Technologies Gmbh Method and device for hardening workpieces, and workpieces hardened according to the method
CN102032795A (zh) * 2010-11-29 2011-04-27 苏州中门子科技有限公司 热处理炉用气幕式供气装置
US9242313B2 (en) * 2012-07-30 2016-01-26 General Electric Company Welding furnace and viewport assembly

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US549235A (en) * 1895-11-05 Friedrich ernst gatcke
US1357790A (en) * 1919-10-04 1920-11-02 Marx Richard Furnace
US1851831A (en) * 1931-02-06 1932-03-29 Carl I Hayes Atmospheric control for heat treating furnaces
US3039407A (en) * 1957-08-01 1962-06-19 Foster Wheeler Corp Closure means for pressurized furnaces
US3142272A (en) * 1960-07-20 1964-07-28 Foster Wheeler Corp Safety closure means for pressurized furnaces
US3270655A (en) * 1964-03-25 1966-09-06 Howard P Guirl Air curtain door seal
US3356541A (en) * 1965-08-20 1967-12-05 Midland Ross Corp Carburizing method and apparatus
US3387600A (en) * 1966-04-13 1968-06-11 Berj A. Terzian Oven with automatic air curtain means

Also Published As

Publication number Publication date
JPS4814523B1 (enrdf_load_stackoverflow) 1973-05-08
GB1286986A (en) 1972-08-31
SE360111B (enrdf_load_stackoverflow) 1973-09-17
US3575398A (en) 1971-04-20

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