GB402894A - Improvements in electrical make-and-break contacts and method of making same - Google Patents
Improvements in electrical make-and-break contacts and method of making sameInfo
- Publication number
- GB402894A GB402894A GB2294132A GB2294132A GB402894A GB 402894 A GB402894 A GB 402894A GB 2294132 A GB2294132 A GB 2294132A GB 2294132 A GB2294132 A GB 2294132A GB 402894 A GB402894 A GB 402894A
- Authority
- GB
- United Kingdom
- Prior art keywords
- temperature
- tungsten
- silicon
- hydrogen
- slugs
- 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
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 241000237858 Gastropoda Species 0.000 abstract 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 3
- 239000008187 granular material Substances 0.000 abstract 3
- 229910052739 hydrogen Inorganic materials 0.000 abstract 3
- 239000001257 hydrogen Substances 0.000 abstract 3
- 229910052710 silicon Inorganic materials 0.000 abstract 3
- 239000010703 silicon Substances 0.000 abstract 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 3
- 229910052721 tungsten Inorganic materials 0.000 abstract 3
- 239000010937 tungsten Substances 0.000 abstract 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 239000004115 Sodium Silicate Substances 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 abstract 2
- 229910052911 sodium silicate Inorganic materials 0.000 abstract 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 229910052750 molybdenum Inorganic materials 0.000 abstract 1
- 239000011733 molybdenum Substances 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
- 238000007873 sieving Methods 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/02—Contacts characterised by the material thereof
- H01H1/021—Composite material
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2294032A GB402893A (en) | 1932-08-16 | 1932-08-16 | Improvements in electrical make-and-break contacts and method of making same |
Publications (1)
Publication Number | Publication Date |
---|---|
GB402894A true GB402894A (en) | 1933-12-14 |
Family
ID=10187517
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2294132A Expired GB402894A (en) | 1932-08-16 | 1932-08-16 | Improvements in electrical make-and-break contacts and method of making same |
GB2294032A Expired GB402893A (en) | 1931-07-18 | 1932-08-16 | Improvements in electrical make-and-break contacts and method of making same |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2294032A Expired GB402893A (en) | 1931-07-18 | 1932-08-16 | Improvements in electrical make-and-break contacts and method of making same |
Country Status (2)
Country | Link |
---|---|
FR (2) | FR742270A (enrdf_load_stackoverflow) |
GB (2) | GB402894A (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3658680A (en) * | 1968-09-04 | 1972-04-25 | Thomson Csf | Apparatus for forming silicon carbide filaments |
-
0
- FR FR742269D patent/FR742269A/fr not_active Expired
- FR FR742270D patent/FR742270A/fr not_active Expired
-
1932
- 1932-08-16 GB GB2294132A patent/GB402894A/en not_active Expired
- 1932-08-16 GB GB2294032A patent/GB402893A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB402893A (en) | 1933-12-14 |
FR742269A (enrdf_load_stackoverflow) | 1933-03-03 |
FR742270A (enrdf_load_stackoverflow) | 1933-03-03 |
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