Patent US3242309A successfully refreshed from Google Patents.
US3242309A
Expired / Lapsed
US
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High-speed multi-arc seam welding and apparatus
Assignee: Union Carbide Corp
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Filing: 1963-07-25
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Granted: 1966-03-22
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Expires: 1983-07-25
Abstract
No abstract record available.
Inventors
- 👤 John E Anderson
- 👤 Donald M Yenni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:09
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/16; B23K9/167; B23K9/1675
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
HIGH-SPEED MULTI-ARC SEAM WELDING SYSTEM IN WHICH THERE IS RELATVE MOVEMENT BETWEEN THE ARCS AND THE WORK BEING WELDED, COMPRISING MEANS FOR ENERGIZING A PLURALITY OF RELATIVELY SHORT WELDING ARCS BETWEEN THE ENDS OF CORRESPONDING ELECTRODES AND SUCH WORK, ALONG THE SEAM TO BE WELDED, WHICH ARCS ARE SPACED AS CLOSELY AS POSSIBLE WITHOUT UNDESIRABLE ARC BLOW BETWEEN ADJACENT ARCS; MEANS COMPLETELY SHIELDING ALL OF SUCH ARCS WITH GAS TO PROTECT THE OPERATION FROM THE ATMOSPHERE; AND MEANS FOR RELATIVELY MOVING ALL OF SUCH ELECTRIDES AS A UNIT IN A DIRECTION PARALLEL TO SUCH SEAM AT A WELDING SPEED THE MAXIMUM VALUE OF WHICH IS SUBSTANTIALLY EQUAL TO THE NUMBER OF ELECTRODES MULTIPLIED BY THE NORMAL WELDING SPEED OF ONE OF SUCH ARCS TO FULLY WELD THE WORK ALONG SUCH SEAM WITHOUT UNDESIRABLE UNDERCUTTING,
Claim 2
Dependent Claim
134 words
HIGH-SPEED MULTI-ARC SEAM WELDING SYSTEM IN WHICH THERE IS RELATVE MOVEMENT BETWEEN THE ARCS AND THE WORK BEING WELDED, COMPRISING MEANS FOR ENERGIZING A PLURALITY OF RELATIVELY SHORT WELDING ARCS BETWEEN THE ENDS OF CORRESPONDING ELECTRODES AND SUCH WORK, ALONG THE SEAM TO BE WELDED, WHICH ARCS ARE SPACED AS CLOSELY AS POSSIBLE WITHOUT UNDESIRABLE ARC BLOW BETWEEN ADJACENT ARCS; MEANS COMPLETELY SHIELDING ALL OF SUCH ARCS WITH GAS TO PROTECT THE OPERATION FROM THE ATMOSPHERE; AND MEANS FOR RELATIVELY MOVING ALL OF SUCH ELECTRIDES AS A UNIT IN A DIRECTION PARALLEL TO SUCH SEAM AT A WELDING SPEED THE MAXIMUM VALUE OF WHICH IS SUBSTANTIALLY EQUAL TO THE NUMBER OF ELECTRODES MULTIPLIED BY THE NORMAL WELDING SPEED OF ONE OF SUCH ARCS TO FULLY WELD THE WORK ALONG SUCH SEAM WITHOUT UNDESIRABLE UNDERCUTTING,
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |