Patent US2832880A successfully refreshed from Google Patents.
US2832880A
Expired / Lapsed
US
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Process of depositing molten metal from metal electrodes on to a metallic body, particularly a process for electric welding
Assignee: VYZKUMMY USTAV SVAROVACICH STR
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Filing: 1956-07-31
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Granted: 1958-04-29
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Expires: 1976-07-31
Abstract
No abstract record available.
Inventors
- 👤 Duben Zdenek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:30
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/18; B23K9/186; B23K9/188
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A PROCESS FOR ELECTRIC WELDING OF A METALLIC BODY ALONG A SEAM; COMPRISING DEPOSITING IN THE SEAM A MASS OF UNBONDED MATERIAL WHICH HAS THE PROTECTIVE PROPERTIES OF A WELDING FLUX, MOVING AT LEAST ONE LEADING ELECTRODE ALONG THE SEAM WHILE SUBMERGED IN SAID MASS, PASSING ELECTRIC CURRENT FROM SAID LEADING ELECTRODE TO THE BODY TO DEPOSIT FUSED ELECTRODE METAL FROM THE LEADING ELECTRODE IN THE SEAM, ALLOWING AT LEAST THE MAJOR PART OF THE DEPOSITED METAL TO SOLIDIFY, AND THEN SUBJECTING THE OPPOSITE SIDE MARGINS OF THE DEPOSITED METAL TO THE ACTION OF AN ELECTRIC ARC BY AT LEAST TWO ADDITIONAL ELECTRODES WHICH TRAIL THE LEADING ELECTRODE AND ARE IN TRANSVERSELY SPACED RELATION TO THE LINE OF SYMMETRY OF THE SEAM.
Claim 2
Dependent Claim
122 words
A PROCESS FOR ELECTRIC WELDING OF A METALLIC BODY ALONG A SEAM; COMPRISING DEPOSITING IN THE SEAM A MASS OF UNBONDED MATERIAL WHICH HAS THE PROTECTIVE PROPERTIES OF A WELDING FLUX, MOVING AT LEAST ONE LEADING ELECTRODE ALONG THE SEAM WHILE SUBMERGED IN SAID MASS, PASSING ELECTRIC CURRENT FROM SAID LEADING ELECTRODE TO THE BODY TO DEPOSIT FUSED ELECTRODE METAL FROM THE LEADING ELECTRODE IN THE SEAM, ALLOWING AT LEAST THE MAJOR PART OF THE DEPOSITED METAL TO SOLIDIFY, AND THEN SUBJECTING THE OPPOSITE SIDE MARGINS OF THE DEPOSITED METAL TO THE ACTION OF AN ELECTRIC ARC BY AT LEAST TWO ADDITIONAL ELECTRODES WHICH TRAIL THE LEADING ELECTRODE AND ARE IN TRANSVERSELY SPACED RELATION TO THE LINE OF SYMMETRY OF THE SEAM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-28 | 1961-10-28 | 1962-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-28 | 1965-10-28 | 1966-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-28 | 1969-10-28 | 1970-04-29 | $7700.00 | Window Closed / Lapsed |