SE302987B - - Google Patents
Info
- Publication number
- SE302987B SE302987B SE422760A SE422760A SE302987B SE 302987 B SE302987 B SE 302987B SE 422760 A SE422760 A SE 422760A SE 422760 A SE422760 A SE 422760A SE 302987 B SE302987 B SE 302987B
- Authority
- SE
- Sweden
- Prior art keywords
- zirconium
- april
- contacts
- metal
- gettering
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/668—Means for obtaining or monitoring the vacuum
- H01H33/6683—Means for obtaining or monitoring the vacuum by gettering
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/02—Contacts characterised by the material thereof
- H01H1/0203—Contacts characterised by the material thereof specially adapted for vacuum switches
Landscapes
- Contacts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1476459A GB947152A (en) | 1959-04-30 | 1959-04-30 | Improvements in or relating to high-vacuum circuit interupter |
Publications (1)
Publication Number | Publication Date |
---|---|
SE302987B true SE302987B (es) | 1968-08-12 |
Family
ID=10047078
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE422760A SE302987B (es) | 1959-04-30 | 1960-04-28 |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH365123A (es) |
GB (1) | GB947152A (es) |
MY (1) | MY6700087A (es) |
SE (1) | SE302987B (es) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3463892A (en) * | 1966-06-29 | 1969-08-26 | Allis Chalmers Mfg Co | Contact supporting stud and method for making the same |
JPS5122267Y1 (es) * | 1970-03-13 | 1976-06-09 |
-
1959
- 1959-04-30 GB GB1476459A patent/GB947152A/en not_active Expired
-
1960
- 1960-04-26 CH CH472660A patent/CH365123A/fr unknown
- 1960-04-28 SE SE422760A patent/SE302987B/xx unknown
-
1967
- 1967-12-31 MY MY6700087A patent/MY6700087A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
GB947152A (en) | 1964-01-22 |
CH365123A (fr) | 1962-10-31 |
MY6700087A (en) | 1967-12-31 |
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