IT944454B - Processo ed impianto di saldatura a corrente alternata - Google Patents
Processo ed impianto di saldatura a corrente alternataInfo
- Publication number
- IT944454B IT944454B IT33048/71A IT3304871A IT944454B IT 944454 B IT944454 B IT 944454B IT 33048/71 A IT33048/71 A IT 33048/71A IT 3304871 A IT3304871 A IT 3304871A IT 944454 B IT944454 B IT 944454B
- Authority
- IT
- Italy
- Prior art keywords
- plant
- alternating current
- welding process
- current welding
- alternating
- Prior art date
Links
Classifications
-
- 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)
- Arc Welding Control (AREA)
- Generation Of Surge Voltage And Current (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7047290A FR2120343A5 (it) | 1970-12-30 | 1970-12-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT944454B true IT944454B (it) | 1973-04-20 |
Family
ID=9066588
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT33048/71A IT944454B (it) | 1970-12-30 | 1971-12-28 | Processo ed impianto di saldatura a corrente alternata |
Country Status (15)
Country | Link |
---|---|
US (1) | US3751627A (it) |
AR (1) | AR194218A1 (it) |
AU (1) | AU458280B2 (it) |
BE (1) | BE777467A (it) |
BR (1) | BR7108619D0 (it) |
CA (1) | CA937999A (it) |
DE (1) | DE2165258A1 (it) |
ES (1) | ES398396A1 (it) |
FR (1) | FR2120343A5 (it) |
GB (1) | GB1367909A (it) |
IT (1) | IT944454B (it) |
LU (1) | LU64532A1 (it) |
NL (1) | NL7117928A (it) |
OA (1) | OA04061A (it) |
ZA (1) | ZA718656B (it) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0090058B1 (de) * | 1982-03-25 | 1986-06-04 | Ibm Deutschland Gmbh | Transistorschaltung zum Schalten des Schreibstromes bei einem Metallpapierdrucker und zum selbsttätigen Verringern des Schreibstromes nach dem Zünden des Lichtbogens |
US5714731A (en) * | 1996-07-16 | 1998-02-03 | Illinois Tool Works Inc. | Welding power supply arc starter |
US20140203005A1 (en) * | 2013-01-23 | 2014-07-24 | Gordon R. Hanka | Welder powered arc starter |
US20160121418A1 (en) * | 2012-01-25 | 2016-05-05 | Gordon Hanka | Welder Powered Arc Starter |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2363332A (en) * | 1942-12-03 | 1944-11-21 | Westinghouse Electric & Mfg Co | Arc-stabilizing circuits |
US2629071A (en) * | 1948-07-31 | 1953-02-17 | Air Reduction | Stabilizing welding arc |
US2516016A (en) * | 1948-11-03 | 1950-07-18 | Westinghouse Electric Corp | Arc welding apparatus |
BE500615A (it) * | 1950-01-17 | |||
GB729747A (en) * | 1952-02-01 | 1955-05-11 | Foster Transformers Ltd | Improvements in electric arc welding systems and apparatus |
US2834917A (en) * | 1956-01-31 | 1958-05-13 | Air Liquide | Device for starting and stabilizing a welding arc |
US3335317A (en) * | 1964-10-26 | 1967-08-08 | Welding Research Inc | Arc starting circuit for welding system |
-
1970
- 1970-12-30 FR FR7047290A patent/FR2120343A5/fr not_active Expired
-
1971
- 1971-12-15 CA CA130235A patent/CA937999A/en not_active Expired
- 1971-12-23 GB GB6007671A patent/GB1367909A/en not_active Expired
- 1971-12-28 NL NL7117928A patent/NL7117928A/xx active Search and Examination
- 1971-12-28 ES ES398396A patent/ES398396A1/es not_active Expired
- 1971-12-28 LU LU64532D patent/LU64532A1/xx unknown
- 1971-12-28 ZA ZA718656A patent/ZA718656B/xx unknown
- 1971-12-28 US US00212939A patent/US3751627A/en not_active Expired - Lifetime
- 1971-12-28 BR BR8619/71A patent/BR7108619D0/pt unknown
- 1971-12-28 IT IT33048/71A patent/IT944454B/it active
- 1971-12-29 BE BE777467A patent/BE777467A/xx not_active IP Right Cessation
- 1971-12-29 DE DE19712165258 patent/DE2165258A1/de not_active Ceased
- 1971-12-30 AR AR239923A patent/AR194218A1/es active
- 1971-12-30 AU AU37502/71A patent/AU458280B2/en not_active Expired
-
1972
- 1972-01-04 OA OA54455A patent/OA04061A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
AU458280B2 (en) | 1975-02-20 |
GB1367909A (en) | 1974-09-25 |
FR2120343A5 (it) | 1972-08-18 |
ZA718656B (en) | 1972-09-27 |
BR7108619D0 (pt) | 1973-05-31 |
AR194218A1 (es) | 1973-06-29 |
LU64532A1 (it) | 1972-06-20 |
BE777467A (fr) | 1972-06-29 |
ES398396A1 (es) | 1974-09-16 |
DE2165258A1 (de) | 1972-07-20 |
AU3750271A (en) | 1973-07-05 |
CA937999A (en) | 1973-12-04 |
US3751627A (en) | 1973-08-07 |
OA04061A (fr) | 1979-10-30 |
NL7117928A (it) | 1972-07-04 |
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