NO135907C - - Google Patents
Info
- Publication number
- NO135907C NO135907C NO752948A NO752948A NO135907C NO 135907 C NO135907 C NO 135907C NO 752948 A NO752948 A NO 752948A NO 752948 A NO752948 A NO 752948A NO 135907 C NO135907 C NO 135907C
- Authority
- NO
- Norway
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
- C25C3/14—Devices for feeding or crust breaking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/28—Supports; Devices for holding power-driven percussive tools in working position
- B25D17/32—Trolleys
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Working Measures On Existing Buildindgs (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO752948A NO135907C (de) | 1975-08-27 | 1975-08-27 | |
| US05/641,924 US4019973A (en) | 1975-08-27 | 1975-12-18 | Crust-breaking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO752948A NO135907C (de) | 1975-08-27 | 1975-08-27 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO752948L NO752948L (de) | 1977-03-01 |
| NO135907B NO135907B (de) | 1977-03-14 |
| NO135907C true NO135907C (de) | 1977-06-22 |
Family
ID=19882430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO752948A NO135907C (de) | 1975-08-27 | 1975-08-27 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4019973A (de) |
| NO (1) | NO135907C (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO163142C (no) * | 1988-01-12 | 1990-04-18 | Norsk Hydro As | Fremgangsmaate og anordning ved utskiftning av anoder. |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT193619B (de) * | 1954-09-03 | 1957-11-25 | Ver Aluminium Werke Ag Oeffent | Fahrbarer Krustenbrecher für Schmelzflußelektrolyseöfen |
| NL126517C (de) * | 1959-09-03 | |||
| US3319899A (en) * | 1963-03-04 | 1967-05-16 | Alcan Aluminium Ltd | Crust breaking device for electrolysis furnaces |
| US3616440A (en) * | 1968-04-23 | 1971-10-26 | Harvey Aluminum Inc | Device for servicing alumina reduction cells |
-
1975
- 1975-08-27 NO NO752948A patent/NO135907C/no unknown
- 1975-12-18 US US05/641,924 patent/US4019973A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| NO752948L (de) | 1977-03-01 |
| US4019973A (en) | 1977-04-26 |
| NO135907B (de) | 1977-03-14 |