HRP920581B1 - Method for the heat treatment of metallic work pieces - Google Patents

Method for the heat treatment of metallic work pieces

Info

Publication number
HRP920581B1
HRP920581B1 HRP-1937/88A HRP920581A HRP920581B1 HR P920581 B1 HRP920581 B1 HR P920581B1 HR P920581 A HRP920581 A HR P920581A HR P920581 B1 HRP920581 B1 HR P920581B1
Authority
HR
Croatia
Prior art keywords
heat treatment
work pieces
metallic work
coolant
metallic
Prior art date
Application number
HRP-1937/88A
Other languages
English (en)
Inventor
Paul Heilmann
Friedrich Preisser
Rolf Schuster
Original Assignee
Ald Vacuum Techn 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.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6339263&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HRP920581(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ald Vacuum Techn Gmbh filed Critical Ald Vacuum Techn Gmbh
Publication of HRP920581A2 publication Critical patent/HRP920581A2/hr
Publication of HRP920581B1 publication Critical patent/HRP920581B1/xx

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
    • C21D1/767—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material with forced gas circulation; Reheating thereof
    • 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
    • C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/613—Gases; Liquefied or solidified normally gaseous material
    • 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
    • C21D1/773—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material under reduced pressure or vacuum
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
    • F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B5/16—Arrangements of air or gas supply devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
    • F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B5/16—Arrangements of air or gas supply devices
    • F27B2005/161—Gas inflow or outflow

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Heat Treatment Of Articles (AREA)
  • Control Of Heat Treatment Processes (AREA)
  • Furnace Details (AREA)
  • Resistance Heating (AREA)
  • Conductive Materials (AREA)
  • Non-Insulated Conductors (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Electronic Switches (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Physical Vapour Deposition (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)
HRP-1937/88A 1987-10-28 1992-09-29 Method for the heat treatment of metallic work pieces HRP920581B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3736501A DE3736501C1 (de) 1987-10-28 1987-10-28 Verfahren zur Waermebehandlung metallischer Werkstuecke
YU193788A YU46574B (sh) 1987-10-28 1988-10-17 Postupak za toplotnu obradu metalnih radnih komada

Publications (2)

Publication Number Publication Date
HRP920581A2 HRP920581A2 (hr) 1995-02-28
HRP920581B1 true HRP920581B1 (en) 1997-10-31

Family

ID=6339263

Family Applications (1)

Application Number Title Priority Date Filing Date
HRP-1937/88A HRP920581B1 (en) 1987-10-28 1992-09-29 Method for the heat treatment of metallic work pieces

Country Status (28)

Country Link
US (1) US4867808A (fr)
EP (1) EP0313888B2 (fr)
JP (1) JP3068135B2 (fr)
CN (1) CN1015066B (fr)
AT (1) ATE65801T1 (fr)
AU (1) AU606473B2 (fr)
BG (1) BG49828A3 (fr)
BR (1) BR8805492A (fr)
CA (1) CA1308631C (fr)
CS (1) CS274632B2 (fr)
DD (1) DD283421A5 (fr)
DE (2) DE3736501C1 (fr)
DK (1) DK167497B1 (fr)
ES (1) ES2023993T5 (fr)
FI (1) FI86560C (fr)
HR (1) HRP920581B1 (fr)
HU (1) HU204102B (fr)
IL (1) IL87762A (fr)
MX (1) MX169690B (fr)
NO (1) NO169244C (fr)
PL (1) PL159767B1 (fr)
PT (1) PT88896A (fr)
RO (1) RO110067B1 (fr)
RU (1) RU1813104C (fr)
SI (1) SI8811937A8 (fr)
UA (1) UA13002A (fr)
YU (1) YU46574B (fr)
ZA (1) ZA886853B (fr)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3819803C1 (fr) * 1988-06-10 1989-12-14 Ulrich 5810 Witten De Wingens
DE3828134A1 (de) * 1988-08-18 1990-02-22 Linde Ag Verfahren zur waermebehandlung von werkstuecken
FR2660669B1 (fr) * 1990-04-04 1992-06-19 Air Liquide Procede et installation de traitement thermique d'objets avec trempe en milieux gazeux.
FR2660744B1 (fr) * 1990-04-04 1994-03-11 Air Liquide Four a cloches.
US5173124A (en) * 1990-06-18 1992-12-22 Air Products And Chemicals, Inc. Rapid gas quenching process
DE4100989A1 (de) * 1991-01-15 1992-07-16 Linde Ag Verfahren zur waermebehandlung in vakuumoefen
DE4132712C2 (de) * 1991-10-01 1995-06-29 Ipsen Ind Int Gmbh Vakuumofen zur Plasmaaufkohlung metallischer Werkstücke
DE4208485C2 (de) * 1992-03-17 1997-09-04 Wuenning Joachim Verfahren und Vorrichtung zum Abschrecken metallischer Werkstücke
US5478985A (en) * 1993-09-20 1995-12-26 Surface Combustion, Inc. Heat treat furnace with multi-bar high convective gas quench
DE4419332A1 (de) * 1994-06-02 1995-12-14 Wuenning Joachim Industriebrenner mit geringer NO¶x¶-Emission
US5524020A (en) * 1994-08-23 1996-06-04 Grier-Jhawar-Mercer, Inc. Vacuum furnace with movable hot zone
AT405190B (de) * 1996-03-29 1999-06-25 Ald Aichelin Ges M B H Verfahren und vorrichtung zur wärmebehandlung metallischer werkstücke
EP0803583B2 (fr) * 1996-04-26 2009-12-16 Nippon Steel Corporation Procédé de refroidissement primaire pour le recuit en continu de bandes d'acier
DE19709957A1 (de) * 1997-03-11 1998-09-17 Linde Ag Verfahren zur Gasabschreckung metallischer Werkstücke nach Wärmebehandlungen
US5934871A (en) * 1997-07-24 1999-08-10 Murphy; Donald G. Method and apparatus for supplying a anti-oxidizing gas to and simultaneously cooling a shaft and a fan in a heat treatment chamber
FR2779218B1 (fr) * 1998-05-29 2000-08-11 Etudes Const Mecaniques Cellule de trempe sous gaz
DE19824574A1 (de) * 1998-06-02 1999-12-09 Linde Ag Verfahren und Vorrichtung zur effektiven Abkühlung von Behandlungsgut
DE19920297A1 (de) * 1999-05-03 2000-11-09 Linde Tech Gase Gmbh Verfahren zur Wärmebehandlung metallischer Werkstücke
ES2184376T3 (es) * 1999-09-24 2003-04-01 Ipsen Int Gmbh Procedimiento para el tratamiento termico de piezas de trabajo metalicas.
FR2801059B1 (fr) * 1999-11-17 2002-01-25 Etudes Const Mecaniques Procede de trempe apres cementation a basse pression
DE10030046C1 (de) * 2000-06-19 2001-09-13 Ald Vacuum Techn Ag Verfahren und Vorrichtung zum Bestimmen der Abkühlwirkung einer strömenden Gasatmosphäre auf Werkstücke
DE10044362C2 (de) * 2000-09-08 2002-09-12 Ald Vacuum Techn Ag Verfahren und Ofenanlage zum Vergüten einer Charge von Werkstücken aus Stahl
US20020104589A1 (en) * 2000-12-04 2002-08-08 Van Den Sype Jaak Process and apparatus for high pressure gas quenching in an atmospheric furnace
DE10108057A1 (de) * 2001-02-20 2002-08-22 Linde Ag Verfahren zum Abschrecken von metallischen Werkstücken
DE10109565B4 (de) 2001-02-28 2005-10-20 Vacuheat Gmbh Verfahren und Vorrichtung zur partiellen thermochemischen Vakuumbehandlung von metallischen Werkstücken
FR2835907B1 (fr) * 2002-02-12 2004-09-17 Air Liquide Installation de trempe par gaz et procede de trempe correspondant
KR100591355B1 (ko) * 2002-03-25 2006-06-19 히로히사 타니구치 핫가스 담금질 장치 및 핫가스 열처리방법
WO2005123970A1 (fr) * 2004-06-15 2005-12-29 Narasimhan Gopinath Procédé et dispositif pour le durcissement de pièces métalliques
PL202005B1 (pl) * 2004-11-19 2009-05-29 Politechnika & Lstrok Odzka In Urządzenie do hartowania z zamkniętym obiegiem wodoru
DE102005045783A1 (de) * 2005-09-23 2007-03-29 Sistem Teknik Endustriyel Elektronik Sistemler Sanayi Ve Ticaret Ltd. Sirketi Einkammer-Vakuumofen mit Wasserstoffabschreckung
CN101880760A (zh) * 2010-07-09 2010-11-10 中国第一汽车集团公司 大型压铸模具的真空等温热处理工艺
US9995481B2 (en) 2011-12-20 2018-06-12 Eclipse, Inc. Method and apparatus for a dual mode burner yielding low NOx emission
CN105695716A (zh) * 2016-01-29 2016-06-22 柳州市安龙机械设备有限公司 硬质合金刀具的热处理方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1132171B (de) * 1960-06-24 1962-06-28 Heraeus Gmbh W C Verfahren zum Gluehen, Schmelzen oder Giessen von Metallen in einem unter Vakuum stehenden Behaelter und Abkuehlen mittels Schutzgas, sowie Vorrichtung zur Durchfuehrungdieses Verfahrens
DE1919493C3 (de) * 1969-04-17 1980-05-08 Ipsen Industries International Gmbh, 4190 Kleve Atmosphären-Vakuumofen
US4030712A (en) * 1975-02-05 1977-06-21 Alco Standard Corporation Method and apparatus for circulating a heat treating gas
US4167426A (en) * 1978-04-20 1979-09-11 Allegheny Ludlum Industries, Inc. Method for annealing silicon steel
DE2839807C2 (de) * 1978-09-13 1986-04-17 Degussa Ag, 6000 Frankfurt Vakuumofen mit Gaskühleinrichtung
DE2844843C2 (de) * 1978-10-14 1985-09-12 Ipsen Industries International Gmbh, 4190 Kleve Industrieofen zur Wärmebehandlung metallischer Werkstücke
US4302256A (en) * 1979-11-16 1981-11-24 Chromalloy American Corporation Method of improving mechanical properties of alloy parts
GB2052030B (en) * 1980-04-28 1984-02-08 Gen Electric Construction of special atmosphere furnace
JPS58147514A (ja) * 1982-02-24 1983-09-02 Ishikawajima Harima Heavy Ind Co Ltd ガス冷却熱処理法
US4462577A (en) * 1982-12-16 1984-07-31 C.I. Hayes Inc. Apparatus for gas cooling work parts under high pressure in a continuous heat treating vacuum furnace
AT395321B (de) * 1983-07-05 1992-11-25 Ebner Ind Ofenbau Verfahren zum abkuehlen von chargen in diskontinuierlich arbeitenden industrieoefen, insbesondere von stahldraht- oder - bandbunden in haubengluehoefen
JPS60187620A (ja) * 1984-03-06 1985-09-25 Daido Steel Co Ltd 真空炉
DE3416902A1 (de) * 1984-05-08 1985-11-14 Schmetz Industrieofenbau und Vakuum-Hartlöttechnik KG, 5750 Menden Verfahren und vakuumofen zur waermebehandlung einer charge
JPS60262913A (ja) * 1984-06-11 1985-12-26 Ishikawajima Harima Heavy Ind Co Ltd 強制対流冷却のガス導入方法
DE3736502C1 (de) * 1987-10-28 1988-06-09 Degussa Vakuumofen zur Waermebehandlung metallischer Werkstuecke

Also Published As

Publication number Publication date
HU204102B (en) 1991-11-28
MX169690B (es) 1993-07-19
CN1033841A (zh) 1989-07-12
PL275471A1 (en) 1989-05-02
US4867808A (en) 1989-09-19
CS274632B2 (en) 1991-09-15
RO110067B1 (ro) 1995-09-29
DE3864007D1 (de) 1991-09-05
CS711188A2 (en) 1990-10-12
JPH01149920A (ja) 1989-06-13
JP3068135B2 (ja) 2000-07-24
ES2023993B3 (es) 1992-02-16
AU606473B2 (en) 1991-02-07
NO884389D0 (no) 1988-10-04
YU193788A (en) 1990-04-30
CA1308631C (fr) 1992-10-13
DE3736501C1 (de) 1988-06-09
CN1015066B (zh) 1991-12-11
FI884513A0 (fi) 1988-09-30
HRP920581A2 (hr) 1995-02-28
FI86560B (fi) 1992-05-29
NO169244B (no) 1992-02-17
ES2023993T5 (es) 1998-08-01
IL87762A (en) 1993-01-31
PL159767B1 (pl) 1993-01-29
DK596588A (da) 1989-04-29
FI86560C (fi) 1992-09-10
ATE65801T1 (de) 1991-08-15
RU1813104C (ru) 1993-04-30
EP0313888A1 (fr) 1989-05-03
HUT49651A (en) 1989-10-30
NO169244C (no) 1992-05-27
ZA886853B (en) 1989-05-30
DD283421A5 (de) 1990-10-10
IL87762A0 (en) 1989-02-28
FI884513A (fi) 1989-04-29
AU2440488A (en) 1989-05-04
US4867808B1 (fr) 1994-02-22
EP0313888B1 (fr) 1991-07-31
PT88896A (pt) 1989-09-14
BR8805492A (pt) 1989-07-04
DK167497B1 (da) 1993-11-08
DK596588D0 (da) 1988-10-27
NO884389L (no) 1989-05-02
UA13002A (uk) 1997-02-28
BG49828A3 (en) 1992-02-14
EP0313888B2 (fr) 1998-06-17
SI8811937A8 (en) 1997-06-30
YU46574B (sh) 1993-11-16

Similar Documents

Publication Publication Date Title
US4867808B1 (fr)
GB2131930B (en) Method and apparatus for gas cooling work parts under high pressure in a continuous heat treating vacuum furnace
GB2034447B (en) Cooling metal workpieces in a heat treatment chamber
EP0818555A4 (fr) Procede et equipement de cementation, et produits de cette operation
HUT49652A (en) Vacuu oven for thermotreating metallic work pieces
EP0151700A3 (en) Industrial furnace, especially a multiple chamber vacuum furnace, for heat treating batches of metal workpieces
DE3467185D1 (en) Furnace for the partial heat treatment of tools
DE3366291D1 (en) Method of heat treating work pieces
JPS6455340A (en) Holding apparatus for partial heat-treatment of tool in furnace
Hombeck Scientific and Economic Aspects of Plasma Nitriding
JPS5514129A (en) Continuous treatment device of brazing and gas soft nitriding
JPS5514110A (en) Continuous processing method for brazing and gas soft nitriding in furnace
EP0236805A3 (en) Process for diminishing the heat conductibility of austenitic-steel work pieces
JPS5616618A (en) Continuous annealing furnace
UA19205A (uk) Спосіб термічhої обробки швидкорізальhої сталі
JPS5311111A (en) Vacuum heat treating equipment
FR2311607A1 (fr) Procede de fabrication d'enveloppes cylindriques de grand diametre
JPS56127705A (en) Hot pressing using hydrostatic pressure
Somma Vacuum, Oil Quench Heat Treat:" State of the Art" for Tool Steels
UA12943A (uk) Спосіб термічhої обробки іhструмеhту з середhьолеговаhих сталей
JPS6417816A (en) Heating furnace for heat treatment

Legal Events

Date Code Title Description
A1OB Publication of a patent application
AIPI Request for the grant of a patent on the basis of a substantive examination of a patent application
PPPP Transfer of rights

Owner name: ALD VACUUM TECHNOLOGIES GMBH, DE

B1PR Patent granted
ODRP Renewal fee for the maintenance of a patent

Payment date: 19981017

Year of fee payment: 11

PBON Lapse due to non-payment of renewal fee

Effective date: 19991018