ATE165399T1 - Verfahren und vorrichtung zum wärmebehandeln von werkstücken - Google Patents

Verfahren und vorrichtung zum wärmebehandeln von werkstücken

Info

Publication number: ATE165399T1
Authority: AT; Austria
Prior art keywords: pct; workpieces; carbon dioxide; combustion; sec
Prior art date: 1993-06-03

Application number

AT94917627T

Other languages

English (en)

Inventor

Friedhelm Kuehn

Original Assignee

Loi Thermprocess Gmbh

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.)

1993-06-03

Filing date

1994-05-13

Publication date

1998-05-15

1994-05-13 Application filed by Loi Thermprocess Gmbh filed Critical Loi Thermprocess Gmbh

1998-05-15 Application granted granted Critical

1998-05-15 Publication of ATE165399T1 publication Critical patent/ATE165399T1/de

Links

238000000034 method Methods 0.000 title abstract 3
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 6
229910002092 carbon dioxide Inorganic materials 0.000 abstract 3
239000001569 carbon dioxide Substances 0.000 abstract 3
238000002485 combustion reaction Methods 0.000 abstract 3
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
239000000446 fuel Substances 0.000 abstract 2
239000004215 Carbon black (E152) Substances 0.000 abstract 1
229910021529 ammonia Inorganic materials 0.000 abstract 1
239000003344 environmental pollutant Substances 0.000 abstract 1
238000010438 heat treatment Methods 0.000 abstract 1
239000011874 heated mixture Substances 0.000 abstract 1
229930195733 hydrocarbon Natural products 0.000 abstract 1
150000002430 hydrocarbons Chemical class 0.000 abstract 1
239000000203 mixture Substances 0.000 abstract 1
231100000719 pollutant Toxicity 0.000 abstract 1
238000004064 recycling Methods 0.000 abstract 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
- C23C8/28—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 more than one element being applied in one step
- C23C8/30—Carbo-nitriding
- 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
- C23C8/08—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 only one element being applied
- C23C8/20—Carburising

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Processing Of Solid Wastes (AREA)
Incineration Of Waste (AREA)
Heat Treatments In General, Especially Conveying And Cooling (AREA)

AT94917627T 1993-06-03 1994-05-13 Verfahren und vorrichtung zum wärmebehandeln von werkstücken ATE165399T1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE4318400A DE4318400C1 (de)	1993-06-03	1993-06-03	Verfahren und Vorrichtung zum Wärmebehandeln von Werkstücken

Publications (1)

Publication Number	Publication Date
ATE165399T1 true ATE165399T1 (de)	1998-05-15

Family

ID=6489509

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT94917627T ATE165399T1 (de)	1993-06-03	1994-05-13	Verfahren und vorrichtung zum wärmebehandeln von werkstücken

Country Status (6)

Country	Link
US (1)	US5830284A (de)
EP (1)	EP0703994B1 (de)
JP (1)	JPH08511063A (de)
AT (1)	ATE165399T1 (de)
DE (2)	DE4318400C1 (de)
WO (1)	WO1994029491A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2003064637A1 (en) *	2001-11-06	2003-08-07	Medtronic, Inc.	Method and system for myocardial infarction repair
DE10031921A1 (de) *	2000-06-30	2002-01-17	Bosch Gmbh Robert	Prozessgasaufkohlungsverfahren
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
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
DE102015117683B3 (de) *	2015-10-16	2016-09-29	Wienstroth Wärmebehandlungstechnik GmbH	Verfahren und Vorrichtung zur Erzeugung und Behandlung von Schutz- und/oder Reaktionsgasen zur Wärmebehandlung von Metallen

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1817345A (en) *	1927-07-19	1931-08-04	Carbide & Carbon Chem Corp	Process for case carburizing and heat treating metals
GB1004573A (en) *	1962-08-17	1965-09-15	Incandescent Ltd	Improvements in regenerative furnaces
CH448673A (fr) *	1965-12-09	1967-12-15	Four Electr Delemont Sa Du	Procédé de cémentation gazeuse d'acier
US3712597A (en) *	1970-11-18	1973-01-23	Air Preheater	Glass manufacturing system
US3870474B1 (en) *	1972-11-13	1991-04-02		Regenerative incinerator systems for waste gases
DE2419997C2 (de) *	1974-04-25	1986-02-27	Ruhrgas Ag, 4300 Essen	Verfahren und Einrichtung zur Erzeugung härtbarer bzw. verschleißfester Oberflächenschichten von Stahlteilen in einem Glühofen
JPS5236610B2 (de) *	1974-05-09	1977-09-17
US4219324A (en) *	1978-09-12	1980-08-26	The C. M. Kemp Manufacturing Company	Process for treating metals using recycled gases
US4217091A (en) *	1978-10-10	1980-08-12	B & K Machinery International Limited	Oven process with solvent free exhaust
GB2076023B (en) *	1980-05-02	1983-08-03	Air Prod & Chem	Gas carburising
GB2082634B (en) *	1980-08-13	1984-04-18	Boc Ltd	Heat treatment method
JPS6056059A (ja) *	1983-09-06	1985-04-01	Koyo Rindobaagu Kk	浸炭熱処理炉の排ガス変成再利用法
DE3742685A1 (de) *	1987-12-16	1989-07-13	Linde Ag	Verfahren zur waermebehandlung von metallen
DE4110361C2 (de) *	1991-03-28	1998-04-30	Linde Ag	Verfahren zum Gasaufkohlen von Eisenwerkstücken und Anlagen zu deren Durchführung

1993
- 1993-06-03 DE DE4318400A patent/DE4318400C1/de not_active Expired - Fee Related
1994
- 1994-05-13 DE DE59405801T patent/DE59405801D1/de not_active Expired - Fee Related
- 1994-05-13 WO PCT/EP1994/001542 patent/WO1994029491A1/de not_active Ceased
- 1994-05-13 EP EP94917627A patent/EP0703994B1/de not_active Expired - Lifetime
- 1994-05-13 AT AT94917627T patent/ATE165399T1/de not_active IP Right Cessation
- 1994-05-13 US US08/553,710 patent/US5830284A/en not_active Expired - Fee Related
- 1994-05-13 JP JP7501232A patent/JPH08511063A/ja active Pending

Also Published As

Publication number	Publication date
US5830284A (en)	1998-11-03
DE4318400C1 (de)	1994-06-23
EP0703994B1 (de)	1998-04-22
WO1994029491A1 (de)	1994-12-22
EP0703994A1 (de)	1996-04-03
JPH08511063A (ja)	1996-11-19
DE59405801D1 (de)	1998-05-28

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Legal Events

Date	Code	Title	Description
2011-02-15	REN	Ceased due to non-payment of the annual fee