BE443976A - - Google Patents
Info
- Publication number
- BE443976A BE443976A BE443976DA BE443976A BE 443976 A BE443976 A BE 443976A BE 443976D A BE443976D A BE 443976DA BE 443976 A BE443976 A BE 443976A
- Authority
- BE
- Belgium
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
- H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
- H01H33/98—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being initiated by an auxiliary arc or a section of the arc, without any moving parts for producing or increasing the flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/02—Thread cutting; Automatic machines specially designed therefor on an external or internal cylindrical or conical surface, e.g. on recesses
-
- 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
- H01H1/023—Composite material having a noble metal as the basic material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE270141X | 1941-01-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE443976A true BE443976A (en:Method) |
Family
ID=5998712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE443976D BE443976A (en:Method) | 1941-01-27 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE443976A (en:Method) |
| CH (4) | CH225996A (en:Method) |
| FR (2) | FR878452A (en:Method) |
| NL (1) | NL104620B (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016100128A (ja) * | 2014-11-19 | 2016-05-30 | オムロン株式会社 | リミットスイッチ |
-
0
- NL NL104620D patent/NL104620B/xx unknown
- BE BE443976D patent/BE443976A/xx unknown
-
1941
- 1941-12-15 CH CH225996D patent/CH225996A/de unknown
- 1941-12-22 CH CH225449D patent/CH225449A/de unknown
- 1941-12-23 CH CH226495D patent/CH226495A/de unknown
-
1942
- 1942-01-08 CH CH225044D patent/CH225044A/de unknown
- 1942-01-14 FR FR878452D patent/FR878452A/fr not_active Expired
- 1942-01-23 FR FR878661D patent/FR878661A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL104620B (en:Method) | |
| FR878452A (fr) | 1943-01-21 |
| CH225449A (de) | 1943-01-31 |
| CH225996A (de) | 1943-03-15 |
| CH226495A (de) | 1943-04-15 |
| FR878661A (fr) | 1943-01-27 |
| CH225044A (de) | 1942-12-31 |