FR2083484A1 - - Google Patents
Info
- Publication number
- FR2083484A1 FR2083484A1 FR7104802A FR7104802A FR2083484A1 FR 2083484 A1 FR2083484 A1 FR 2083484A1 FR 7104802 A FR7104802 A FR 7104802A FR 7104802 A FR7104802 A FR 7104802A FR 2083484 A1 FR2083484 A1 FR 2083484A1
- 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.)
- Granted
Links
Classifications
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- 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
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- 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
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- 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)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Tunnel Furnaces (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US2250170A | 1970-03-23 | 1970-03-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2083484A1 true FR2083484A1 (en) | 1971-12-17 |
FR2083484B1 FR2083484B1 (en) | 1975-01-17 |
Family
ID=21809918
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7104802A Expired FR2083484B1 (en) | 1970-03-23 | 1971-02-12 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3662996A (en) |
CA (1) | CA922510A (en) |
DE (1) | DE2051743A1 (en) |
FR (1) | FR2083484B1 (en) |
GB (1) | GB1299398A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0147845A2 (en) * | 1983-12-27 | 1985-07-10 | Chugai Ro Co., Ltd. | Method af gas carburizing and herdening and continuous furnace therefor |
EP0829554A1 (en) * | 1996-09-16 | 1998-03-18 | ALD AICHELIN GesmbH. | Low pressure cementation apparatus with compartments disposed one behind the other |
Families Citing this family (17)
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 |
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 |
KR100187674B1 (en) * | 1994-07-07 | 1999-06-01 | 김주용 | Quartz for fabricating semiconductor device and method of forming gate oxide using the same |
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 (en) * | 2004-08-06 | 2008-07-18 | Francis Pelissier | THERMOCHEMICAL CEMENT TREATMENT MACHINE |
CA2516920A1 (en) * | 2004-08-31 | 2006-02-28 | Smith International, Inc. | Maintaining carburized case during neutral to the core heat treatment processes |
CN112481474B (en) * | 2020-11-27 | 2022-11-25 | 重庆市星极齿轮有限责任公司 | Gear carburizing and quenching heat treatment process |
CN113481466B (en) * | 2021-07-07 | 2023-05-26 | 安徽新力电业科技咨询有限责任公司 | Tubular furnace device system for gas nitriding |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR808134A (en) * | 1936-07-16 | 1937-01-29 | Improvements to gas carburizing furnaces | |
FR47732E (en) * | 1936-11-03 | 1937-06-22 | Improvements to gas carburizing furnaces | |
US3189336A (en) * | 1962-11-15 | 1965-06-15 | Midland Ross Corp | Metallurgical heating furnace |
NL6804093A (en) * | 1967-03-22 | 1968-09-23 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US3356541A (en) * | 1965-08-20 | 1967-12-05 | Midland Ross Corp | Carburizing method and apparatus |
-
1970
- 1970-03-23 US US3662996D patent/US3662996A/en not_active Expired - Lifetime
- 1970-08-12 CA CA090598A patent/CA922510A/en not_active Expired
- 1970-08-18 GB GB3969470A patent/GB1299398A/en not_active Expired
- 1970-10-21 DE DE19702051743 patent/DE2051743A1/en active Pending
-
1971
- 1971-02-12 FR FR7104802A patent/FR2083484B1/fr not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR808134A (en) * | 1936-07-16 | 1937-01-29 | Improvements to gas carburizing furnaces | |
FR47732E (en) * | 1936-11-03 | 1937-06-22 | Improvements to gas carburizing furnaces | |
US3189336A (en) * | 1962-11-15 | 1965-06-15 | Midland Ross Corp | Metallurgical heating furnace |
NL6804093A (en) * | 1967-03-22 | 1968-09-23 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0147845A2 (en) * | 1983-12-27 | 1985-07-10 | Chugai Ro Co., Ltd. | Method af gas carburizing and herdening and continuous furnace therefor |
EP0147845A3 (en) * | 1983-12-27 | 1986-03-26 | Chugai Ro Kogyo Co., Ltd. | Method af gas carburizing and herdening and continuous furnace therefor |
EP0829554A1 (en) * | 1996-09-16 | 1998-03-18 | ALD AICHELIN GesmbH. | Low pressure cementation apparatus with compartments disposed one behind the other |
Also Published As
Publication number | Publication date |
---|---|
FR2083484B1 (en) | 1975-01-17 |
GB1299398A (en) | 1972-12-13 |
US3662996A (en) | 1972-05-16 |
DE2051743A1 (en) | 1971-10-14 |
CA922510A (en) | 1973-03-13 |