GB1299398A - Multi-chamber carburizing method and apparatus - Google Patents

Multi-chamber carburizing method and apparatus

Info

Publication number
GB1299398A
GB1299398A GB3969470A GB3969470A GB1299398A GB 1299398 A GB1299398 A GB 1299398A GB 3969470 A GB3969470 A GB 3969470A GB 3969470 A GB3969470 A GB 3969470A GB 1299398 A GB1299398 A GB 1299398A
Authority
GB
United Kingdom
Prior art keywords
furnace
gas
carburizing
furnaces
gases
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
GB3969470A
Other languages
English (en)
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.)
Holcroft and Co
Original Assignee
Holcroft and Co
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 Holcroft and Co filed Critical Holcroft and Co
Publication of GB1299398A publication Critical patent/GB1299398A/en
Expired 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
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • 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)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Tunnel Furnaces (AREA)
GB3969470A 1970-03-23 1970-08-18 Multi-chamber carburizing method and apparatus Expired GB1299398A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2250170A 1970-03-23 1970-03-23

Publications (1)

Publication Number Publication Date
GB1299398A true GB1299398A (en) 1972-12-13

Family

ID=21809918

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3969470A Expired GB1299398A (en) 1970-03-23 1970-08-18 Multi-chamber carburizing method and apparatus

Country Status (5)

Country Link
US (1) US3662996A (https=)
CA (1) CA922510A (https=)
DE (1) DE2051743A1 (https=)
FR (1) FR2083484B1 (https=)
GB (1) GB1299398A (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2291171A (en) * 1994-07-07 1996-01-17 Hyundai Electronics Ind Furnace and method for forming gate oxide films for semiconductors
CN113481466A (zh) * 2021-07-07 2021-10-08 安徽新力电业科技咨询有限责任公司 一种气体渗氮用管式炉装置系统

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3981489A (en) * 1973-01-11 1976-09-21 Sola Basic Industries, Inc. Automatic heat treating system
US4049473A (en) * 1976-03-11 1977-09-20 Airco, Inc. Methods for carburizing steel parts
US4093195A (en) * 1977-01-19 1978-06-06 Holcroft & Company Carburizing furnace
US4225121A (en) * 1979-03-23 1980-09-30 Holcroft Energy efficient heat-treating furnace system
JPS60138065A (ja) * 1983-12-27 1985-07-22 Chugai Ro Kogyo Kaisha Ltd ガス浸炭焼入方法およびその連続式ガス浸炭焼入設備
US4763880A (en) * 1987-04-03 1988-08-16 Holcroft/Loftus Inc. Rotary hearth multi-chamber, multi-purpose furnace system
US5324415A (en) * 1989-06-09 1994-06-28 Blumenthal Robert N Apparatus and systems for analyzing a sample of treatment atmosphere having a carbon potential
US4966348A (en) * 1989-06-30 1990-10-30 Lindberg Corp. Method and apparatus for monitoring atmosphere in furnaces
US5187670A (en) * 1990-11-05 1993-02-16 Caterpillar Inc. Control system for scheduling parts in a heat-treating process
US5324366A (en) * 1991-08-09 1994-06-28 Caterpillar Inc. Heat treat furnace system for performing different carburizing processes simultaneously
US5242479A (en) * 1992-05-26 1993-09-07 Paton Tek, Inc. Apparatus and method for producing carbide coatings
AT404029B (de) * 1996-09-16 1998-07-27 Ald Aichelin Ges M B H Niederdruck-aufkohlungsanlage
US5997286A (en) * 1997-09-11 1999-12-07 Ford Motor Company Thermal treating apparatus and process
US6902635B2 (en) 2001-12-26 2005-06-07 Nitrex Metal Inc. Multi-cell thermal processing unit
FR2874079B1 (fr) * 2004-08-06 2008-07-18 Francis Pelissier Machine de traitement thermochimique de cementation
CA2516920A1 (en) * 2004-08-31 2006-02-28 Smith International, Inc. Maintaining carburized case during neutral to the core heat treatment processes
CN112481474B (zh) * 2020-11-27 2022-11-25 重庆市星极齿轮有限责任公司 一种齿轮渗碳淬火热处理工艺

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR808134A (fr) * 1936-07-16 1937-01-29 Perfectionnements aux fours de cémentation gazeuse
FR47732E (fr) * 1936-11-03 1937-06-22 Perfectionnements aux fours de cémentation gazeuse
US2589811A (en) * 1948-04-05 1952-03-18 Holcroft & Co Gas atmosphere generating means for heat-treating furnaces
US2713480A (en) * 1950-08-14 1955-07-19 Ruckstahl Alfred Heat treating apparatus
US2998237A (en) * 1958-05-05 1961-08-29 Midland Ross Corp Heat treating system
US3189336A (en) * 1962-11-15 1965-06-15 Midland Ross Corp Metallurgical heating furnace
US3356541A (en) * 1965-08-20 1967-12-05 Midland Ross Corp Carburizing method and apparatus
GB1208134A (en) * 1967-03-22 1970-10-07 Gibbons Brothers Ltd Improvements in or relating to continuous carburising

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2291171A (en) * 1994-07-07 1996-01-17 Hyundai Electronics Ind Furnace and method for forming gate oxide films for semiconductors
GB2291171B (en) * 1994-07-07 1999-02-10 Hyundai Electronics Ind A method of forming an oxide film on a semiconductor device
CN113481466A (zh) * 2021-07-07 2021-10-08 安徽新力电业科技咨询有限责任公司 一种气体渗氮用管式炉装置系统

Also Published As

Publication number Publication date
FR2083484B1 (https=) 1975-01-17
FR2083484A1 (https=) 1971-12-17
DE2051743A1 (de) 1971-10-14
CA922510A (en) 1973-03-13
US3662996A (en) 1972-05-16

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee