JPS6255841U - - Google Patents
Info
- Publication number
- JPS6255841U JPS6255841U JP1985148603U JP14860385U JPS6255841U JP S6255841 U JPS6255841 U JP S6255841U JP 1985148603 U JP1985148603 U JP 1985148603U JP 14860385 U JP14860385 U JP 14860385U JP S6255841 U JPS6255841 U JP S6255841U
- Authority
- JP
- Japan
- Prior art keywords
- bellows
- locking
- case
- closing operation
- opening
- 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.)
- Granted
Links
- 230000007423 decrease Effects 0.000 claims 1
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
- H01H33/02—Details
- H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
- H01H33/56—Gas reservoirs
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985148603U JPH0648724Y2 (ja) | 1985-09-27 | 1985-09-27 | ガス開閉器におけるガス圧低下時の開閉操作ロック装置 |
| US06/824,325 US4723058A (en) | 1985-09-27 | 1986-01-30 | Gas switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985148603U JPH0648724Y2 (ja) | 1985-09-27 | 1985-09-27 | ガス開閉器におけるガス圧低下時の開閉操作ロック装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6255841U true JPS6255841U (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) | 1987-04-07 |
| JPH0648724Y2 JPH0648724Y2 (ja) | 1994-12-12 |
Family
ID=15456463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985148603U Expired - Lifetime JPH0648724Y2 (ja) | 1985-09-27 | 1985-09-27 | ガス開閉器におけるガス圧低下時の開閉操作ロック装置 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4723058A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) |
| JP (1) | JPH0648724Y2 (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006185809A (ja) * | 2004-12-28 | 2006-07-13 | Daihen Corp | ガス開閉器 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2637423B1 (fr) * | 1988-10-04 | 1991-04-19 | Merlin Gerin | Poste ou cellule electrique a isolement gazeux, equipe d'un dispositif de verrouillage a manque de pression de gaz |
| US5537858A (en) * | 1994-05-18 | 1996-07-23 | National Technical Systems, Inc. | System for the nonintrusive monitoring of electrical circuit breaker vessel pressure |
| US6900401B1 (en) * | 2001-09-28 | 2005-05-31 | Nec Electronics America, Inc. | Toxic gas fitting interlock |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS528167U (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) * | 1975-07-03 | 1977-01-20 | ||
| JPS57188233U (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) * | 1981-05-26 | 1982-11-29 | ||
| JPS58134841U (ja) * | 1982-03-05 | 1983-09-10 | 株式会社三英社製作所 | ガス開閉器のガス漏れロツク装置 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4442329A (en) * | 1982-01-04 | 1984-04-10 | Brown Boveri Electric Inc. | Dead tank housing for high voltage circuit breaker employing puffer interrupters |
-
1985
- 1985-09-27 JP JP1985148603U patent/JPH0648724Y2/ja not_active Expired - Lifetime
-
1986
- 1986-01-30 US US06/824,325 patent/US4723058A/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS528167U (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) * | 1975-07-03 | 1977-01-20 | ||
| JPS57188233U (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) * | 1981-05-26 | 1982-11-29 | ||
| JPS58134841U (ja) * | 1982-03-05 | 1983-09-10 | 株式会社三英社製作所 | ガス開閉器のガス漏れロツク装置 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006185809A (ja) * | 2004-12-28 | 2006-07-13 | Daihen Corp | ガス開閉器 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0648724Y2 (ja) | 1994-12-12 |
| US4723058A (en) | 1988-02-02 |