JPS642333U - - Google Patents
Info
- Publication number
- JPS642333U JPS642333U JP9721287U JP9721287U JPS642333U JP S642333 U JPS642333 U JP S642333U JP 9721287 U JP9721287 U JP 9721287U JP 9721287 U JP9721287 U JP 9721287U JP S642333 U JPS642333 U JP S642333U
- Authority
- JP
- Japan
- Prior art keywords
- case
- pressure relief
- bottom plate
- gasket
- switch
- 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
- 238000012856 packing Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 2
- 230000000903 blocking effect Effects 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 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
- H01H2033/568—Gas reservoirs with overpressure release, e.g. rupture membranes
Landscapes
- Casings For Electric Apparatus (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9721287U JPH0353395Y2 (en18) | 1987-06-24 | 1987-06-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9721287U JPH0353395Y2 (en18) | 1987-06-24 | 1987-06-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS642333U true JPS642333U (en18) | 1989-01-09 |
| JPH0353395Y2 JPH0353395Y2 (en18) | 1991-11-21 |
Family
ID=30963934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9721287U Expired JPH0353395Y2 (en18) | 1987-06-24 | 1987-06-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0353395Y2 (en18) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012169082A1 (ja) * | 2011-06-07 | 2012-12-13 | 三菱電機株式会社 | スイッチギヤ |
| JP2013526043A (ja) * | 2010-04-21 | 2013-06-20 | ヴアブコ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | 圧力平衡用変形範囲を持つハウジング及びハウジング内の密封素子の配置 |
| JP2018060880A (ja) * | 2016-10-04 | 2018-04-12 | 株式会社東芝 | 防爆防水ケース |
-
1987
- 1987-06-24 JP JP9721287U patent/JPH0353395Y2/ja not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013526043A (ja) * | 2010-04-21 | 2013-06-20 | ヴアブコ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | 圧力平衡用変形範囲を持つハウジング及びハウジング内の密封素子の配置 |
| WO2012169082A1 (ja) * | 2011-06-07 | 2012-12-13 | 三菱電機株式会社 | スイッチギヤ |
| JP2018060880A (ja) * | 2016-10-04 | 2018-04-12 | 株式会社東芝 | 防爆防水ケース |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0353395Y2 (en18) | 1991-11-21 |