FR75022E - Improvements to electrical switching devices - Google Patents
Improvements to electrical switching devicesInfo
- Publication number
- FR75022E FR75022E FR770717A FR770717A FR75022E FR 75022 E FR75022 E FR 75022E FR 770717 A FR770717 A FR 770717A FR 770717 A FR770717 A FR 770717A FR 75022 E FR75022 E FR 75022E
- Authority
- FR
- France
- Prior art keywords
- switching devices
- electrical switching
- electrical
- devices
- switching
- 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
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H11/005—Apparatus or processes specially adapted for the manufacture of electric switches of reed switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/28—Relays having both armature and contacts within a sealed casing outside which the operating coil is located, e.g. contact carried by a magnetic leaf spring or reed
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/28—Relays having both armature and contacts within a sealed casing outside which the operating coil is located, e.g. contact carried by a magnetic leaf spring or reed
- H01H51/282—Constructional details not covered by H01H51/281
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR770717A FR75022E (en) | 1957-04-09 | 1958-07-21 | Improvements to electrical switching devices |
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT360110X | 1957-04-09 | ||
IT1063214X | 1957-05-09 | ||
IT838765X | 1957-06-26 | ||
FR770717A FR75022E (en) | 1957-04-09 | 1958-07-21 | Improvements to electrical switching devices |
DEST14105A DE1117762B (en) | 1957-04-09 | 1958-08-07 | Thermal relay with armature contacts arranged in protective tubes |
DEST16677A DE1117763B (en) | 1957-04-09 | 1958-08-07 | Thermal relay with armature contacts arranged in protective tubes |
IT1542358 | 1958-10-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR75022E true FR75022E (en) | 1961-03-24 |
Family
ID=32966882
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR770717A Expired FR75022E (en) | 1957-04-09 | 1958-07-21 | Improvements to electrical switching devices |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR75022E (en) |
-
1958
- 1958-07-21 FR FR770717A patent/FR75022E/en not_active Expired
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