DE2917348C2 - Verschleißfester Verbundkörper - Google Patents

Verschleißfester Verbundkörper

Info

Publication number
DE2917348C2
DE2917348C2 DE19792917348 DE2917348A DE2917348C2 DE 2917348 C2 DE2917348 C2 DE 2917348C2 DE 19792917348 DE19792917348 DE 19792917348 DE 2917348 A DE2917348 A DE 2917348A DE 2917348 C2 DE2917348 C2 DE 2917348C2
Authority
DE
Germany
Prior art keywords
hard material
composite body
layers
individual layers
titanium
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
DE19792917348
Other languages
German (de)
English (en)
Other versions
DE2917348B1 (de
Inventor
Hans Dipl.-Ing. Dr.-Ing. 4155 Grefrath Grewe
Norbert Dipl.-Ing. Dr.Techn. 4020 Mettmann Reiter
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.)
Fried Krupp AG
Original Assignee
Fried Krupp AG
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 Fried Krupp AG filed Critical Fried Krupp AG
Priority to DE19792917348 priority Critical patent/DE2917348C2/de
Priority to SE8002819A priority patent/SE454890B/sv
Priority to AT212280A priority patent/AT380492B/de
Priority to FR8008853A priority patent/FR2454903A1/fr
Priority to GB8013737A priority patent/GB2048960B/en
Priority to JP5556780A priority patent/JPS55145165A/ja
Publication of DE2917348B1 publication Critical patent/DE2917348B1/de
Application granted granted Critical
Publication of DE2917348C2 publication Critical patent/DE2917348C2/de
Expired legal-status Critical Current

Links

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
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/04—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings of inorganic non-metallic material
    • C23C28/044—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings of inorganic non-metallic material coatings specially adapted for cutting tools or wear applications
    • 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
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
    • C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
    • C23C16/32—Carbides
    • 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
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
    • C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
    • C23C16/34—Nitrides
    • 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
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
    • C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
    • C23C16/36—Carbonitrides
    • 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
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
    • C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
    • C23C16/40—Oxides
    • C23C16/403—Oxides of aluminium, magnesium or beryllium
    • 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
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
    • C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
    • C23C16/40—Oxides
    • C23C16/405—Oxides of refractory metals or yttrium
    • 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
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/40—Coatings including alternating layers following a pattern, a periodic or defined repetition
    • C23C28/42—Coatings including alternating layers following a pattern, a periodic or defined repetition characterized by the composition of the alternating layers
    • 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
    • C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
    • C23C30/005—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process on hard metal substrates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Laminated Bodies (AREA)
  • Chemical Vapour Deposition (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
  • Powder Metallurgy (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
DE19792917348 1979-04-28 1979-04-28 Verschleißfester Verbundkörper Expired DE2917348C2 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE19792917348 DE2917348C2 (de) 1979-04-28 1979-04-28 Verschleißfester Verbundkörper
SE8002819A SE454890B (sv) 1979-04-28 1980-04-15 Notningsbestendig sammansatt kropp for bearbetning av metalliska och icke metalliska material
AT212280A AT380492B (de) 1979-04-28 1980-04-18 Verschleissfester verbundkoerper
FR8008853A FR2454903A1 (fr) 1979-04-28 1980-04-21 Corps composite constitue par un corps de base et par une ou plusieurs couches de matieres dures exemptes de metaux de liaison
GB8013737A GB2048960B (en) 1979-04-28 1980-04-25 Coating articles with layers of hard materials
JP5556780A JPS55145165A (en) 1979-04-28 1980-04-28 Comosite article

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792917348 DE2917348C2 (de) 1979-04-28 1979-04-28 Verschleißfester Verbundkörper

Publications (2)

Publication Number Publication Date
DE2917348B1 DE2917348B1 (de) 1980-10-30
DE2917348C2 true DE2917348C2 (de) 1984-07-12

Family

ID=6069538

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19792917348 Expired DE2917348C2 (de) 1979-04-28 1979-04-28 Verschleißfester Verbundkörper

Country Status (6)

Country Link
JP (1) JPS55145165A (enExample)
AT (1) AT380492B (enExample)
DE (1) DE2917348C2 (enExample)
FR (1) FR2454903A1 (enExample)
GB (1) GB2048960B (enExample)
SE (1) SE454890B (enExample)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL58548A (en) * 1979-10-24 1983-07-31 Iscar Ltd Sintered hard metal products having a multi-layer wearresistant coating
JPS5779169A (en) * 1980-11-06 1982-05-18 Sumitomo Electric Ind Ltd Physical vapor deposition method
BR8108985A (pt) * 1981-02-23 1983-03-01 Vni Instrument Inst Revestimento de multicamada de ferramentas para corte de metal
CH647556A5 (fr) * 1981-07-02 1985-01-31 Stellram Sa Piece d'usure en materiau refractaire.
JPS586969A (ja) * 1981-07-06 1983-01-14 Mitsubishi Metal Corp 切削工具用表面被覆超硬合金部材
IL63802A (en) * 1981-09-11 1984-10-31 Iscar Ltd Sintered hard metal products having a multi-layer wear-resistant coating
AT377786B (de) * 1981-12-24 1985-04-25 Plansee Metallwerk Verschleissteil, insbesondere hartmetall -schneideinsatz zur spanabhebenden bearbeitung
DE3151413A1 (de) * 1981-12-24 1983-07-14 MTU Motoren- und Turbinen-Union München GmbH, 8000 München "schaufel einer stroemungsmaschine, insbesondere gasturbine"
CA1211323A (en) * 1982-05-20 1986-09-16 Vinod K. Sarin Coated silicon nitride cutting tools
CA1204638A (en) * 1982-05-20 1986-05-20 Vinod K. Sarin Coated composite silicon nitride cutting tools
JPS6011288A (ja) * 1983-06-30 1985-01-21 三菱マテリアル株式会社 表面被覆サイアロン基セラミツクス工具部材
JPS60238481A (ja) * 1984-05-14 1985-11-27 Sumitomo Electric Ind Ltd 多重層被覆超硬合金
US4619865A (en) * 1984-07-02 1986-10-28 Energy Conversion Devices, Inc. Multilayer coating and method
US4591418A (en) * 1984-10-26 1986-05-27 The Parker Pen Company Microlaminated coating
DE3512986A1 (de) * 1985-04-11 1986-10-16 Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe Viellagige, hochverschleissfeste hartstoffschutzschicht fuer metallische, stark beanspruchte oberflaechen oder substrate
JP2529190B2 (ja) * 1985-08-28 1996-08-28 住友電気工業株式会社 被覆超硬合金
FI854000L (fi) * 1985-10-25 1987-04-16 Vsesojuzny Nauchno-Issledovatelsky Instrumentalny Institut Skaerverktyg med en slitbestaendig belaeggning.
US4749629A (en) * 1987-01-20 1988-06-07 Gte Laboratories Ultrathin laminated oxide coatings and methods
AT387186B (de) * 1987-05-04 1988-12-12 Ver Edelstahlwerke Ag Beschichteter hartmetallkoerper
US4984940A (en) * 1989-03-17 1991-01-15 Kennametal Inc. Multilayer coated cemented carbide cutting insert
CA1327277C (en) * 1989-03-17 1994-03-01 William A. Bryant Multilayer coated cemented carbide cutting insert
SE9101953D0 (sv) * 1991-06-25 1991-06-25 Sandvik Ab A1203 coated sintered body
DE4239234A1 (de) * 1992-11-21 1994-06-09 Krupp Widia Gmbh Werkzeug und Verfahren zur Beschichtung eines Werkzeuggrundkörpers
DE19530518A1 (de) * 1995-08-19 1997-02-20 Widia Gmbh Verfahren zur Herstellung von Multikomponenten-Carbonitrid-Hartstoffschichten und Verbundkörper
DE59607891D1 (de) * 1995-08-19 2001-11-15 Widia Gmbh Verbundkörper und verfahren zu dessen herstellung
DE19530517A1 (de) * 1995-08-19 1997-02-20 Widia Gmbh Verbundkörper und Verfahren zu dessen Herstellung
JP4185172B2 (ja) * 1997-06-19 2008-11-26 住友電工ハードメタル株式会社 被覆硬質工具
SE518151C2 (sv) * 1997-12-10 2002-09-03 Sandvik Ab Multiskiktbelagt skärverktyg
SE518134C2 (sv) * 1997-12-10 2002-09-03 Sandvik Ab Multiskiktbelagt skärverktyg
US7033682B1 (en) * 2001-12-28 2006-04-25 Ues, Inc. Coating solutions for titanium and titanium alloy machining
SE526603C3 (sv) 2003-01-24 2005-11-16 Sandvik Intellectual Property Belagt hårdmetallskär
EP1609883B1 (en) 2004-06-24 2017-09-20 Sandvik Intellectual Property AB Coated metal cutting tool
SE528108C2 (sv) 2004-07-13 2006-09-05 Sandvik Intellectual Property Belagt hårdmetallskär, speciellt för svarvning av stål, samt sätt att tillverka detsamma
SE528107C2 (sv) * 2004-10-04 2006-09-05 Sandvik Intellectual Property Belagt hårdmetallskär, speciellt användbart för höghastighetsbearbetning av metalliska arbetsstycken
SE528670C2 (sv) 2004-12-22 2007-01-16 Sandvik Intellectual Property Skär belagt med ett transparent färgskikt
SE528891C2 (sv) 2005-03-23 2007-03-06 Sandvik Intellectual Property Skär belagt med ett multiskikt av metaloxid
KR101684412B1 (ko) * 2012-08-10 2016-12-08 가부시키가이샤 탕가로이 피복 공구
US10100405B2 (en) * 2015-04-20 2018-10-16 Kennametal Inc. CVD coated cutting insert and method of making the same

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2263210A1 (de) * 1972-02-04 1973-08-16 Plansee Metallwerk Verschleissteil aus hartmetall, insbesondere fuer werkzeuge
DE2341783A1 (de) * 1972-08-18 1974-03-07 Sandvik Ab Gesinterter hartmetallkoerper
DE2253745B2 (de) * 1971-11-12 1975-07-31 Sandvik Ab, Sandviken (Schweden) Verbundkörper
DE2525185A1 (de) * 1975-06-06 1976-12-23 Krupp Gmbh Hartmetallkoerper
GB1509752A (en) * 1974-06-25 1978-05-04 Cutanit Hob type milling cutters
EP0006534A1 (fr) * 1978-06-22 1980-01-09 Stellram S.A. Pièce d'usure en métal dur

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5142029A (ja) * 1974-10-09 1976-04-09 Mitsubishi Metal Corp Hifukusoojusuruchokogokinbuhin
JPS5294813A (en) * 1976-02-06 1977-08-09 Mitsubishi Metal Corp Covered super hard throwaway tip
JPS5294812A (en) * 1976-02-06 1977-08-09 Mitsubishi Metal Corp Covered super hard throwaway tip
JPS52100376A (en) * 1976-02-20 1977-08-23 Mitsubishi Metal Corp Coated cutting tip of sintered hard alloy
FR2357321A1 (fr) * 1976-07-05 1978-02-03 Stellram Sa Revetement protecteur stratifie pour pieces d'usure et outils de coupe en metal dur
JPS5468779A (en) * 1977-11-11 1979-06-02 Sumitomo Electric Ind Ltd Coated super-hard alloy material

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2253745B2 (de) * 1971-11-12 1975-07-31 Sandvik Ab, Sandviken (Schweden) Verbundkörper
DE2263210A1 (de) * 1972-02-04 1973-08-16 Plansee Metallwerk Verschleissteil aus hartmetall, insbesondere fuer werkzeuge
DE2341783A1 (de) * 1972-08-18 1974-03-07 Sandvik Ab Gesinterter hartmetallkoerper
GB1509752A (en) * 1974-06-25 1978-05-04 Cutanit Hob type milling cutters
DE2525185A1 (de) * 1975-06-06 1976-12-23 Krupp Gmbh Hartmetallkoerper
EP0006534A1 (fr) * 1978-06-22 1980-01-09 Stellram S.A. Pièce d'usure en métal dur

Also Published As

Publication number Publication date
DE2917348B1 (de) 1980-10-30
GB2048960A (en) 1980-12-17
AT380492B (de) 1986-05-26
FR2454903B1 (enExample) 1984-04-20
JPS55145165A (en) 1980-11-12
SE8002819L (sv) 1980-10-29
GB2048960B (en) 1983-05-18
SE454890B (sv) 1988-06-06
ATA212280A (de) 1982-10-15
FR2454903A1 (fr) 1980-11-21

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Legal Events

Date Code Title Description
8263 Opposition against grant of a patent
8281 Inventor (new situation)

Free format text: DREYER, KLAUS, DIPL.-PHYS. DR.RER.NAT., 4300 ESSEN, DE GREWE, HANS, DIPL.-ING. DR.-ING., 4155 GREFRATH, DE KOLASKA, JOHANNES, 4250 BOTTROP, DE REITER, NORBERT, DIPL.-ING. DR.TECHN., 4020 METTMANN, DE

8327 Change in the person/name/address of the patent owner

Owner name: FRIED. KRUPP AG, 4300 ESSEN, DE

8339 Ceased/non-payment of the annual fee