FR2182883B1 - - Google Patents
Info
- Publication number
- FR2182883B1 FR2182883B1 FR7310058A FR7310058A FR2182883B1 FR 2182883 B1 FR2182883 B1 FR 2182883B1 FR 7310058 A FR7310058 A FR 7310058A FR 7310058 A FR7310058 A FR 7310058A FR 2182883 B1 FR2182883 B1 FR 2182883B1
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
- H01J9/042—Manufacture, activation of the emissive part
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/001—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides
- C22C32/0015—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides with only single oxides as main non-metallic constituents
- C22C32/0031—Matrix based on refractory metals, W, Mo, Nb, Hf, Ta, Zr, Ti, V or alloys thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/14—Solid thermionic cathodes characterised by the material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12014—All metal or with adjacent metals having metal particles
- Y10T428/12021—All metal or with adjacent metals having metal particles having composition or density gradient or differential porosity
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12014—All metal or with adjacent metals having metal particles
- Y10T428/12153—Interconnected void structure [e.g., permeable, etc.]
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Contacts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00248933A US3802851A (en) | 1972-05-01 | 1972-05-01 | Tungsten alloy products |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2182883A1 FR2182883A1 (fr) | 1973-12-14 |
FR2182883B1 true FR2182883B1 (fr) | 1976-05-07 |
Family
ID=22941326
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7310058A Expired FR2182883B1 (fr) | 1972-05-01 | 1973-03-21 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3802851A (fr) |
JP (1) | JPS538288B2 (fr) |
FR (1) | FR2182883B1 (fr) |
GB (1) | GB1407902A (fr) |
HU (1) | HU166091B (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4104063A (en) * | 1972-11-29 | 1978-08-01 | Schwabische Huttenwerke Gesellschaft Mit Beschrankter Haftung | Formed part of sintered iron and method and sintering tile for making same |
IT1058755B (it) * | 1975-03-24 | 1982-05-10 | Lignes Telegraph Telephon | Procedimento per la fabbricazione di anodi sinterizzati per condensatori elettrolitici |
CH602330A5 (fr) * | 1976-08-26 | 1978-07-31 | Bbc Brown Boveri & Cie | |
JPS61234552A (ja) * | 1985-04-10 | 1986-10-18 | Nippon Gakki Seizo Kk | 導電板材 |
DE4442161C1 (de) * | 1994-11-27 | 1996-03-07 | Bayerische Metallwerke Gmbh | Verfahren zur Herstellung eines Formteils |
US5590386A (en) * | 1995-07-26 | 1996-12-31 | Osram Sylvania Inc. | Method of making an alloy of tungsten and lanthana |
JP3320650B2 (ja) * | 1997-07-24 | 2002-09-03 | 三菱電機株式会社 | タングステンまたはモリブデンからなる金属材料、同金属材料を使用した二次製品材の製造方法およびその方法を実施するための熱処理装置 |
US6045682A (en) * | 1998-03-24 | 2000-04-04 | Enthone-Omi, Inc. | Ductility agents for nickel-tungsten alloys |
JP4606281B2 (ja) * | 2004-10-14 | 2011-01-05 | 株式会社小糸製作所 | 放電ランプ装置用アークチューブ |
-
1972
- 1972-05-01 US US00248933A patent/US3802851A/en not_active Expired - Lifetime
-
1973
- 1973-03-19 GB GB1313973A patent/GB1407902A/en not_active Expired
- 1973-03-21 FR FR7310058A patent/FR2182883B1/fr not_active Expired
- 1973-03-22 JP JP3195373A patent/JPS538288B2/ja not_active Expired
- 1973-04-25 HU HUGE938A patent/HU166091B/hu unknown
Also Published As
Publication number | Publication date |
---|---|
FR2182883A1 (fr) | 1973-12-14 |
JPS538288B2 (fr) | 1978-03-27 |
DE2314274A1 (de) | 1973-11-15 |
DE2314274B2 (de) | 1977-06-23 |
HU166091B (fr) | 1975-01-28 |
GB1407902A (en) | 1975-10-01 |
JPS4922315A (fr) | 1974-02-27 |
US3802851A (en) | 1974-04-09 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |