GB392678A - Improvements in and relating to electric discharge devices - Google Patents
Improvements in and relating to electric discharge devicesInfo
- Publication number
- GB392678A GB392678A GB4450/32A GB445032A GB392678A GB 392678 A GB392678 A GB 392678A GB 4450/32 A GB4450/32 A GB 4450/32A GB 445032 A GB445032 A GB 445032A GB 392678 A GB392678 A GB 392678A
- Authority
- GB
- United Kingdom
- Prior art keywords
- barium
- alkaline
- bodies
- produced
- alloys
- 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
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
- H01J9/047—Cathodes having impregnated bodies
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S29/00—Metal working
- Y10S29/031—Pressing powder with other step
-
- 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
- Y10T428/1216—Continuous interengaged phases of plural metals, or oriented fiber containing
-
- 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
- Y10T428/1216—Continuous interengaged phases of plural metals, or oriented fiber containing
- Y10T428/12174—Mo or W containing
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE392678X | 1931-02-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB392678A true GB392678A (en) | 1933-05-25 |
Family
ID=6387059
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4450/32A Expired GB392678A (en) | 1931-02-14 | 1932-02-15 | Improvements in and relating to electric discharge devices |
Country Status (4)
Country | Link |
---|---|
US (1) | US1902478A (fr) |
FR (1) | FR731184A (fr) |
GB (1) | GB392678A (fr) |
NL (1) | NL37166C (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2422439A (en) * | 1943-01-29 | 1947-06-17 | American Electro Metal Corp | Method of manufacturing composite structural materials |
US2934482A (en) * | 1950-09-07 | 1960-04-26 | Brooks Harvey | Nuclear reactor fuel element and method of manufacture |
US2881068A (en) * | 1952-04-28 | 1959-04-07 | Wargons Ab | Method of treating a ferrous melt with a porous sintered metal body impregnated with a treating agent |
US5007475A (en) * | 1988-11-10 | 1991-04-16 | Lanxide Technology Company, Lp | Method for forming metal matrix composite bodies containing three-dimensionally interconnected co-matrices and products produced thereby |
-
0
- NL NL37166D patent/NL37166C/xx active
-
1932
- 1932-02-09 FR FR731184D patent/FR731184A/fr not_active Expired
- 1932-02-11 US US592450A patent/US1902478A/en not_active Expired - Lifetime
- 1932-02-15 GB GB4450/32A patent/GB392678A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR731184A (fr) | 1932-08-30 |
NL37166C (fr) | |
US1902478A (en) | 1933-03-21 |
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