FR2172261A1 - - Google Patents
Info
- Publication number
- FR2172261A1 FR2172261A1 FR7305305A FR7305305A FR2172261A1 FR 2172261 A1 FR2172261 A1 FR 2172261A1 FR 7305305 A FR7305305 A FR 7305305A FR 7305305 A FR7305305 A FR 7305305A FR 2172261 A1 FR2172261 A1 FR 2172261A1
- 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
-
- 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
- C23C8/04—Treatment of selected surface areas, e.g. using masks
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Gears, Cams (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Heat Treatment Of Articles (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722207148 DE2207148C3 (de) | 1972-02-16 | Abdeckkörper zum Schutz bestimmter Werkstückbereiche vor zu hoher Einsatzhärtungstiefe |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2172261A1 true FR2172261A1 (fr) | 1973-09-28 |
FR2172261B1 FR2172261B1 (fr) | 1976-05-14 |
Family
ID=5836058
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7305305A Expired FR2172261B1 (fr) | 1972-02-16 | 1973-02-15 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3873376A (fr) |
FR (1) | FR2172261B1 (fr) |
GB (1) | GB1365841A (fr) |
IT (1) | IT977241B (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2436282A1 (fr) * | 1978-09-18 | 1980-04-11 | Glaenzer Spicer Sa | Tulipe perfectionnee pour joint a tripode et procede pour sa fabrication |
FR2442897A1 (fr) * | 1978-12-01 | 1980-06-27 | Degussa | Procede pour la cementation de pieces creuses, en particulier d'injecteurs |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2652386A1 (de) * | 1976-11-15 | 1978-07-27 | Mannesmann Ag | Verfahren zum haerten eines zahnrades |
US4165243A (en) * | 1978-05-31 | 1979-08-21 | Federal-Mogul Corporation | Method of making selectively carburized forged powder metal parts |
US4664722A (en) * | 1985-10-24 | 1987-05-12 | Hughes Tool Company-Usa | Method for protecting from hardening a selected region of a steel structure |
US6074481A (en) * | 1997-05-02 | 2000-06-13 | Sikorsky Aircraft Corporation | Masking tool for manufacturing precision gears |
SE509941C2 (sv) * | 1997-09-10 | 1999-03-29 | Sandvik Ab | Metod för att maskera borrelement vid termokemisk ytbehandling samt borrelement för slående borrning |
FR2801905B1 (fr) * | 1999-12-03 | 2002-02-01 | Air Liquide | Procede et installation de traitement de surface selectif |
WO2001040533A1 (fr) * | 1999-12-01 | 2001-06-07 | L'air Liquide Societe Anonyme A Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude | Procede et installation de traitement de surface selectif |
DE10038447C1 (de) * | 2000-08-07 | 2002-07-11 | Durferrit Gmbh | Abdeckmassen für das partielle Aufkohlen von metallischen Bauteilen |
DE10107810A1 (de) * | 2001-02-20 | 2002-09-05 | Bosch Gmbh Robert | Vorrichtung zum partiellen Aufkohlen von Bauteilen |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1072660A (en) * | 1911-05-17 | 1913-09-09 | Albert F Shore | Case-hardening of steel. |
US2520334A (en) * | 1947-09-11 | 1950-08-29 | Borg Warner | Method of selective carburization |
US3255005A (en) * | 1962-06-29 | 1966-06-07 | Tung Sol Electric Inc | Masking process for semiconductor elements |
US3578470A (en) * | 1968-11-12 | 1971-05-11 | Dov Bahat | Bao-al2o3-sio2 glass-ceramic materials |
-
1973
- 1973-02-07 IT IT48112/73A patent/IT977241B/it active
- 1973-02-15 GB GB749573A patent/GB1365841A/en not_active Expired
- 1973-02-15 FR FR7305305A patent/FR2172261B1/fr not_active Expired
- 1973-02-16 US US333199A patent/US3873376A/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
NEANT * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2436282A1 (fr) * | 1978-09-18 | 1980-04-11 | Glaenzer Spicer Sa | Tulipe perfectionnee pour joint a tripode et procede pour sa fabrication |
FR2442897A1 (fr) * | 1978-12-01 | 1980-06-27 | Degussa | Procede pour la cementation de pieces creuses, en particulier d'injecteurs |
Also Published As
Publication number | Publication date |
---|---|
FR2172261B1 (fr) | 1976-05-14 |
DE2207148A1 (de) | 1973-08-30 |
IT977241B (it) | 1974-09-10 |
DE2207148B2 (de) | 1975-10-16 |
US3873376A (en) | 1975-03-25 |
GB1365841A (en) | 1974-09-04 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |