US3177340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flux-cored electrode and process of welding
Assignee: La Soudure Electrique Autogene SA
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Filing: 1962-11-16
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Granted: 1965-04-06
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Expires: 1982-11-16
Abstract
No abstract record available.
Inventors
- 👤 Danhier Francois Georges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:00
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/368; B23K35/24; B23K35/30; B23K35/3053; B23K35/3601; B23K35/3602; B23K35/3603; B23K35/3605
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A FLUX-CORED ELECTRODE FOR USE IN AN AUTOMATIC OR SEMI-AUTOMATIC UPWARD WELDING PROCESS FOR JOINING VERTICAL SEAMS BETWEEN STEEL PARTS, WHICH PROCESS COMPRISES MAINTAINING A VISIBLE ELECTRIC ARC IN A CARBON DIOXIDE PROTECTIVE ATMOSPHERE AT THE WELD SEAM AND THUS PRODUCING MOLTEN METAL IN A WELD POOL, CONTAINING THE MOLTEN METAL IN THE WELD POOL BY COOLING COPPER SHOES PRESSED AGAINST THE LATERAL SURFACES OF THE STEEL PARTS BEING WELDED, AND SUPPLYING TO THE ARC TO CONTINUE TO MAINTAIN IT, A TUBULAR ELECTRODE HAVING A CORE PROVIDED WITH FLUX, WHICH FLUXCORED ELECTRODE FOR WELDING LOW CARBON STEEL PLATES UP TO 20 MILLIMETERS THICK HAS THE FOLLOWING COMPOSITION BY WEIGHT:
Claim 2
Dependent Claim
109 words
A FLUX-CORED ELECTRODE FOR USE IN AN AUTOMATIC OR SEMI-AUTOMATIC UPWARD WELDING PROCESS FOR JOINING VERTICAL SEAMS BETWEEN STEEL PARTS, WHICH PROCESS COMPRISES MAINTAINING A VISIBLE ELECTRIC ARC IN A CARBON DIOXIDE PROTECTIVE ATMOSPHERE AT THE WELD SEAM AND THUS PRODUCING MOLTEN METAL IN A WELD POOL, CONTAINING THE MOLTEN METAL IN THE WELD POOL BY COOLING COPPER SHOES PRESSED AGAINST THE LATERAL SURFACES OF THE STEEL PARTS BEING WELDED, AND SUPPLYING TO THE ARC TO CONTINUE TO MAINTAIN IT, A TUBULAR ELECTRODE HAVING A CORE PROVIDED WITH FLUX, WHICH FLUXCORED ELECTRODE FOR WELDING LOW CARBON STEEL PLATES UP TO 20 MILLIMETERS THICK HAS THE FOLLOWING COMPOSITION BY WEIGHT:
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |