Patent US3078362A successfully refreshed from Google Patents.
US3078362A
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Method of and apparatus for arc-welding
Assignee: Westinghouse Electric Corp
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Filing: 1959-11-19
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Granted: 1963-02-19
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Expires: 1979-11-19
Abstract
No abstract record available.
Inventors
- 👤 Emil F Steinert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:39
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/12; B23K9/124; B23K9/125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
THE METHOD OF ARC-WELDING WORK WITH A CONSUMABLE ELECTRODE SUPPLIED FROM A DIRECT-CURRENT POWER SUPPLY OF THE CONSTANT POTENTIAL TYPE THROUGH REACTANCE MEANS HAVING A MAIN WINDING IN CIRCUIT WITH SAID ELECTRODE AND WORK AND AN AUXILIARY WINDING CONNECTED IN A VARIABLE RESISTANCE CIRCUIT, THE SAID METHOD COMPRISING THE STEPS OF SETTING THE POTENTIAL OF SAID SUPPLY SO THAT THE DEPOSIT OF FUSED METAL FROM SAID ELECTRODE IS OF THE DROPLET TYPE AS DISTINCT FROM THE SPRAY TYPE AND SETTING SAID VARIABLE RESISTANCE IN SAID CIRCUIT SO THAT THE DEPOSIT OF METAL FROM SAID ELECTRODE IS SUBSTANTIALLY CONTINUOUS AND SUBSTANTIALLY FREE FROM SPATTER.
Claim 2
Independent Claim
103 words
THE METHOD OF ARC-WELDING WORK WITH A CONSUMABLE ELECTRODE SUPPLIED FROM A DIRECT-CURRENT POWER SUPPLY OF THE CONSTANT POTENTIAL TYPE THROUGH REACTANCE MEANS HAVING A MAIN WINDING IN CIRCUIT WITH SAID ELECTRODE AND WORK AND AN AUXILIARY WINDING CONNECTED IN A VARIABLE RESISTANCE CIRCUIT, THE SAID METHOD COMPRISING THE STEPS OF SETTING THE POTENTIAL OF SAID SUPPLY SO THAT THE DEPOSIT OF FUSED METAL FROM SAID ELECTRODE IS OF THE DROPLET TYPE AS DISTINCT FROM THE SPRAY TYPE AND SETTING SAID VARIABLE RESISTANCE IN SAID CIRCUIT SO THAT THE DEPOSIT OF METAL FROM SAID ELECTRODE IS SUBSTANTIALLY CONTINUOUS AND SUBSTANTIALLY FREE FROM SPATTER.
References Cited (Backward Citations)
US1238406A
Cited
US1353711A
Cited
US1485744A
Cited
US1721348A
Cited
US1993455A
Cited
US2139160A
Cited
US2259788A
Cited
US2763711A
Cited
AT191714B
Cited
BE528537A
Cited
US2825004A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |