JPS59193267A - 金属処理用の化学的に制御された雰囲気を作成する方法および装置 - Google Patents
金属処理用の化学的に制御された雰囲気を作成する方法および装置Info
- Publication number
- JPS59193267A JPS59193267A JP58240798A JP24079883A JPS59193267A JP S59193267 A JPS59193267 A JP S59193267A JP 58240798 A JP58240798 A JP 58240798A JP 24079883 A JP24079883 A JP 24079883A JP S59193267 A JPS59193267 A JP S59193267A
- Authority
- JP
- Japan
- Prior art keywords
- atmosphere
- fluidized bed
- precursor
- chemically controlled
- bed apparatus
- 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.)
- Pending
Links
- 229910052751 metal Inorganic materials 0.000 title claims description 30
- 239000002184 metal Substances 0.000 title claims description 29
- 238000004519 manufacturing process Methods 0.000 title description 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical group OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 45
- 239000007789 gas Substances 0.000 claims description 38
- 239000002243 precursor Substances 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 24
- 238000004320 controlled atmosphere Methods 0.000 claims description 23
- 238000010438 heat treatment Methods 0.000 claims description 18
- 238000012545 processing Methods 0.000 claims description 17
- 230000008016 vaporization Effects 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 16
- 229930195733 hydrocarbon Natural products 0.000 claims description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 13
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 10
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical group CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 9
- 239000004215 Carbon black (E152) Substances 0.000 claims description 8
- 238000009834 vaporization Methods 0.000 claims description 8
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- 150000002430 hydrocarbons Chemical class 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 229910021529 ammonia Inorganic materials 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 238000000354 decomposition reaction Methods 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 2
- 238000005979 thermal decomposition reaction Methods 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims 5
- 238000001816 cooling Methods 0.000 claims 4
- 238000009413 insulation Methods 0.000 claims 2
- 238000005452 bending Methods 0.000 claims 1
- 239000011362 coarse particle Substances 0.000 claims 1
- 238000007865 diluting Methods 0.000 claims 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 20
- 229910052799 carbon Inorganic materials 0.000 description 20
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 11
- -1 steel Chemical compound 0.000 description 11
- 230000008569 process Effects 0.000 description 7
- 229910002092 carbon dioxide Inorganic materials 0.000 description 6
- 238000007792 addition Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000005255 carburizing Methods 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 229910001873 dinitrogen Inorganic materials 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000006200 vaporizer Substances 0.000 description 3
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 238000005256 carbonitriding Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- TZIHFWKZFHZASV-UHFFFAOYSA-N methyl formate Chemical compound COC=O TZIHFWKZFHZASV-UHFFFAOYSA-N 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 235000009419 Fagopyrum esculentum Nutrition 0.000 description 1
- 240000008620 Fagopyrum esculentum Species 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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
- C21D1/34—Methods of heating
- C21D1/53—Heating in fluidised beds
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
- Furnace Details (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/450,921 US4512821A (en) | 1982-12-20 | 1982-12-20 | Method for metal treatment using a fluidized bed |
| US450921 | 1982-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59193267A true JPS59193267A (ja) | 1984-11-01 |
Family
ID=23790064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58240798A Pending JPS59193267A (ja) | 1982-12-20 | 1983-12-20 | 金属処理用の化学的に制御された雰囲気を作成する方法および装置 |
Country Status (6)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0552524U (ja) * | 1991-12-16 | 1993-07-13 | 中外炉工業株式会社 | バッチ式流動層炉の処理材装入・抽出装置 |
Families Citing this family (38)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60197863A (ja) * | 1984-03-22 | 1985-10-07 | Komatsu Ltd | 流動層浸炭炉装置 |
| DE3507527A1 (de) * | 1984-11-20 | 1986-05-22 | Ewald 4133 Neukirchen-Vluyn Schwing | Verfahren und anlage zum aufkohlen eines werkstueckes aus stahl |
| US4604055A (en) * | 1985-06-03 | 1986-08-05 | Can-Eng Holdings, Ltd. | Lip-hung retort furnace |
| EP0239664B1 (de) * | 1986-04-04 | 1991-12-18 | Ibm Deutschland Gmbh | Verfahren zum Herstellen von Silicium und Sauerstoff enthaltenden Schichten |
| DE3622668C1 (en) * | 1986-07-05 | 1988-02-11 | Ewald Schwing | Fluidised bed kiln for the heat treatment of metallic objects |
| DE3718240C1 (de) * | 1987-05-30 | 1988-01-14 | Ewald Schwing | Verfahren zur Waermebehandlung von metallischen Werkstuecken in einer gasdurchstroemten Wirbelschicht |
| US5354038A (en) * | 1989-09-29 | 1994-10-11 | Consolidated Engineering Company, Inc. | Heat treatment of metal castings and in-furnace sand reclamation |
| US5039357A (en) * | 1990-06-15 | 1991-08-13 | Dynamic Metal Treating, Inc. | Method for nitriding and nitrocarburizing rifle barrels in a fluidized bed furnace |
| US5194228A (en) * | 1990-10-12 | 1993-03-16 | General Signal Corporation | Fluidized bed apparatus for chemically treating workpieces |
| DE4314231A1 (de) * | 1993-04-30 | 1994-11-03 | Metallgesellschaft Ag | Verfahren zum Rösten von refraktären Golderzen |
| WO1997030805A1 (en) * | 1996-02-23 | 1997-08-28 | Consolidated Engineering Company, Inc. | System and process for reclaiming sand |
| US5901775A (en) * | 1996-12-20 | 1999-05-11 | General Kinematics Corporation | Two-stage heat treating decoring and sand reclamation system |
| US6453982B1 (en) | 1996-12-20 | 2002-09-24 | General Kinematics Corporation | Sand cleaning apparatus |
| US5924473A (en) * | 1996-12-20 | 1999-07-20 | General Kinematics Corporation | Vibratory sand reclamation system |
| US5738162A (en) * | 1997-02-20 | 1998-04-14 | Consolidated Engineering Company, Inc. | Terraced fluidized bed |
| US6217317B1 (en) | 1998-12-15 | 2001-04-17 | Consolidated Engineering Company, Inc. | Combination conduction/convection furnace |
| US6336809B1 (en) | 1998-12-15 | 2002-01-08 | Consolidated Engineering Company, Inc. | Combination conduction/convection furnace |
| US6672367B2 (en) | 1999-07-29 | 2004-01-06 | Consolidated Engineering Company, Inc. | Methods and apparatus for heat treatment and sand removal for castings |
| US6910522B2 (en) * | 1999-07-29 | 2005-06-28 | Consolidated Engineering Company, Inc. | Methods and apparatus for heat treatment and sand removal for castings |
| US7275582B2 (en) * | 1999-07-29 | 2007-10-02 | Consolidated Engineering Company, Inc. | Methods and apparatus for heat treatment and sand removal for castings |
| US6622775B2 (en) | 2000-05-10 | 2003-09-23 | Consolidated Engineering Company, Inc. | Method and apparatus for assisting removal of sand moldings from castings |
| US6991767B1 (en) * | 2000-09-18 | 2006-01-31 | Procedyne Corp. | Fluidized bed gas distributor system for elevated temperature operation |
| WO2002063051A2 (en) * | 2001-02-02 | 2002-08-15 | Consolidated Engineering Company, Inc. | Integrated metal processing facility |
| US7338629B2 (en) * | 2001-02-02 | 2008-03-04 | Consolidated Engineering Company, Inc. | Integrated metal processing facility |
| US6506048B1 (en) | 2001-11-01 | 2003-01-14 | Procedyne Corp. | Apparatus and method for transferring heat treated parts |
| CN1319683C (zh) * | 2002-07-11 | 2007-06-06 | 联合工程公司 | 用于有助于从铸件上除去砂模的方法和装置 |
| AU2003251972A1 (en) * | 2002-07-18 | 2004-02-09 | Consolidated Engineering Company, Inc. | Method and system for processing castings |
| JP4903696B2 (ja) * | 2004-06-28 | 2012-03-28 | コンソリデイテッド エンジニアリング カンパニー， インコーポレイテッド | 鋳造物からばりおよび閉塞片を除去するための方法および装置 |
| US20060054294A1 (en) * | 2004-09-15 | 2006-03-16 | Crafton Scott P | Short cycle casting processing |
| US20060103059A1 (en) * | 2004-10-29 | 2006-05-18 | Crafton Scott P | High pressure heat treatment system |
| JP4861652B2 (ja) * | 2005-04-28 | 2012-01-25 | タピオカ コマーシオ エ サービコス ソシエダーデ ウニペッソアル エルディーエー | 加熱油化装置及び加熱油化方法 |
| AU2010236044B2 (en) * | 2005-07-21 | 2012-09-27 | Hard Technologies Pty Ltd | Duplex Surface Treatment of Metal Objects |
| EP1904661A4 (en) * | 2005-07-21 | 2010-12-29 | Hard Technologies Pty Ltd | DUPLEX SURFACE TREATMENT OF METAL OBJECTS |
| MX2008015525A (es) * | 2006-06-15 | 2009-01-07 | Cons Eng Co Inc | Metodos y sistema para fabricar piezas fundidas utilizando un sistema de fabricacion flexible, automatizado. |
| EP2489452A3 (en) * | 2007-03-29 | 2013-05-01 | Consolidated Engineering Company, Inc. | System and method for forming and heat treating metal castings |
| US20140312030A1 (en) * | 2013-04-23 | 2014-10-23 | Paul D. Steneck | Microwave heat treatment apparatus and method |
| CN107532268B (zh) | 2015-04-28 | 2019-12-03 | 联合工程公司 | 用于对铝合金铸件进行热处理的系统和方法 |
| US10415891B2 (en) * | 2016-02-22 | 2019-09-17 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Heat exchanger and heat storage system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5953676A (ja) * | 1982-08-18 | 1984-03-28 | Toray Eng Co Ltd | 金属熱処理方法 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB732101A (en) * | 1950-01-06 | 1955-06-22 | British Aluminium Co Ltd | Improvements in methods of and means for the heat treatment of solid bodies |
| US3666253A (en) * | 1969-12-26 | 1972-05-30 | Yuri Yoshio | Fluidized bed furnace |
| GB1438550A (en) * | 1973-08-09 | 1976-06-09 | Fluidfire Dev | Heat treatment furnace |
| GB1471880A (en) * | 1973-10-26 | 1977-04-27 | Air Prod & Chem | Furnace atmosphere for the heat treatment of ferrous metal |
| GB1478984A (en) * | 1974-11-27 | 1977-07-06 | Lucas Ltd Joseph | Gas carburusing |
| GB1537486A (en) * | 1976-03-08 | 1978-12-29 | Apollo Heat Ltd | Fluidised beds |
| PL192437A1 (pl) * | 1976-09-16 | 1978-03-28 | Inst Mech Precyz | Sposob obrobki cieplno-chemicznej metali |
| GB1591302A (en) * | 1976-09-16 | 1981-06-17 | Harding B | Fluidised bed |
| GB1598825A (en) * | 1977-03-11 | 1981-09-23 | Boc Ltd | Gaseous mixture for use in heat treatment of metals |
| US4220445A (en) * | 1978-11-06 | 1980-09-02 | Fennell Corporation | Fluid bed furnace and cover assembly for use thereon |
| US4239480A (en) * | 1978-11-06 | 1980-12-16 | Fennell Corporation | Fluid bed furnace and pilot light assembly |
| FR2450878A1 (fr) * | 1979-03-05 | 1980-10-03 | Air Liquide | Installation generatrice d'une atmosphere de traitement thermique des metaux |
| CH643597A5 (de) * | 1979-12-20 | 1984-06-15 | Maag Zahnraeder & Maschinen Ag | Verfahren zum regelbaren aufkohlen oder erwaermen in schutzgas von werkstuecken aus stahl. |
| US4317687A (en) * | 1980-05-12 | 1982-03-02 | Air Products And Chemicals, Inc. | Carburizing process utilizing atmospheres generated from nitrogen-ethanol based mixtures |
| US4839587A (en) * | 1988-03-29 | 1989-06-13 | Digital Equipment Corporation | Test fixture for tab circuits and devices |
-
1982
- 1982-12-20 US US06/450,921 patent/US4512821A/en not_active Expired - Lifetime
-
1983
- 1983-07-05 US US06/510,657 patent/US4524957A/en not_active Expired - Lifetime
- 1983-12-20 GB GB08333890A patent/GB2132230B/en not_active Expired
- 1983-12-20 CA CA000443715A patent/CA1208107A/en not_active Expired
- 1983-12-20 JP JP58240798A patent/JPS59193267A/ja active Pending
- 1983-12-20 DE DE19833345946 patent/DE3345946A1/de active Granted
- 1983-12-20 FR FR838320409A patent/FR2538092B1/fr not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5953676A (ja) * | 1982-08-18 | 1984-03-28 | Toray Eng Co Ltd | 金属熱処理方法 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0552524U (ja) * | 1991-12-16 | 1993-07-13 | 中外炉工業株式会社 | バッチ式流動層炉の処理材装入・抽出装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2132230A (en) | 1984-07-04 |
| FR2538092A1 (fr) | 1984-06-22 |
| US4512821A (en) | 1985-04-23 |
| DE3345946A1 (de) | 1984-06-20 |
| GB8333890D0 (en) | 1984-02-01 |
| DE3345946C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-04-20 |
| CA1208107A (en) | 1986-07-22 |
| US4524957A (en) | 1985-06-25 |
| GB2132230B (en) | 1986-10-15 |
| FR2538092B1 (fr) | 1990-02-02 |
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