FR2275963B1 - - Google Patents
Info
- Publication number
- FR2275963B1 FR2275963B1 FR7421472A FR7421472A FR2275963B1 FR 2275963 B1 FR2275963 B1 FR 2275963B1 FR 7421472 A FR7421472 A FR 7421472A FR 7421472 A FR7421472 A FR 7421472A FR 2275963 B1 FR2275963 B1 FR 2275963B1
- Authority
- FR
- France
- 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
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
- H05H1/36—Circuit arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K10/00—Welding or cutting by means of a plasma
- B23K10/006—Control circuits therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/06—Arrangements or circuits for starting the arc, e.g. by generating ignition voltage, or for stabilising the arc
- B23K9/067—Starting the arc
- B23K9/0672—Starting the arc without direct contact between electrodes
- B23K9/0673—Ionisation of the arc gap by means of a tension with a step front (pulses or high frequency tensions)
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Arc Welding Control (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7421472A FR2275963A1 (en) | 1974-06-20 | 1974-06-20 | Striking a main arc between plasma and metal workpiece - using an auxiliary alternating current circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7421472A FR2275963A1 (en) | 1974-06-20 | 1974-06-20 | Striking a main arc between plasma and metal workpiece - using an auxiliary alternating current circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2275963A1 FR2275963A1 (en) | 1976-01-16 |
FR2275963B1 true FR2275963B1 (en) | 1976-10-15 |
Family
ID=9140306
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7421472A Granted FR2275963A1 (en) | 1974-06-20 | 1974-06-20 | Striking a main arc between plasma and metal workpiece - using an auxiliary alternating current circuit |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2275963A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2535992B1 (en) * | 1982-11-12 | 1985-10-11 | Soudure Autogene Francaise | HIGH FREQUENCY IGNITION DEVICE AND AUXILIARY ELECTRODE OF A WELDING OR CUTTING ARC |
-
1974
- 1974-06-20 FR FR7421472A patent/FR2275963A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2275963A1 (en) | 1976-01-16 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |