US3288982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High speed arc welding method
Assignee: Individual
•
Filing: 1965-03-08
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Granted: 1966-11-29
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Expires: 1985-03-08
Abstract
No abstract record available.
Inventors
- 👤 Suzuki Haruyoshi
- 👤 Ito Teiji
- 👤 Nishi Takeshi
- 👤 Yamada Arinobu
- 👤 Itozu Ohaza
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:41
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/16; B23K9/173; B23K9/1735; B23K28/00; B23K28/02; B23K33/00; B23K33/004; B23K9/235
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A NON-PRESSURE ARC WELDING METHOD FOR ARC WELDING THICK METAL PLATES AT HIGH SPEED AND WITH A WELDING ROD, CONSISTING ESSENTIALLY OF THE STEPS OF PROVIDING A SMALL ANGLE GROOVE BETWEEN THE PLATES TO BE WELDED, PASSING A HIGH FREQUENCY CURRENT THROUGH THE SURFACE PORTIONS OF THE PLATES DEFINING SAID GROOVES AND THROUGH WELD METAL DEPOSITED IN SAID GROOVE FROM THE ARC WELDING ROD AND ELECTRODE, TO HEAT THE SAID SURFACE PORTIONS TO A TEMPERATURE ABOVE 900*C., AND CONTINUING TO PASS SAID HIGH FREQUENCY CURRENT AND DEPOSIT WELD METAL FROM SAID WELDING ROD AND ELECTRODE AT A RATE SUFFICIENT TO COMPLETELY FILL SAID SAID PLATES IN A SINGLE PASS AT A SPEED OF MORE THAN TWO GROOVE DURING A SINGLE PASS BY ARC WELDING AND ARC WELDING METERS PER MINUTE.
Claim 2
Dependent Claim
130 words
A NON-PRESSURE ARC WELDING METHOD FOR ARC WELDING THICK METAL PLATES AT HIGH SPEED AND WITH A WELDING ROD, CONSISTING ESSENTIALLY OF THE STEPS OF PROVIDING A SMALL ANGLE GROOVE BETWEEN THE PLATES TO BE WELDED, PASSING A HIGH FREQUENCY CURRENT THROUGH THE SURFACE PORTIONS OF THE PLATES DEFINING SAID GROOVES AND THROUGH WELD METAL DEPOSITED IN SAID GROOVE FROM THE ARC WELDING ROD AND ELECTRODE, TO HEAT THE SAID SURFACE PORTIONS TO A TEMPERATURE ABOVE 900*C., AND CONTINUING TO PASS SAID HIGH FREQUENCY CURRENT AND DEPOSIT WELD METAL FROM SAID WELDING ROD AND ELECTRODE AT A RATE SUFFICIENT TO COMPLETELY FILL SAID SAID PLATES IN A SINGLE PASS AT A SPEED OF MORE THAN TWO GROOVE DURING A SINGLE PASS BY ARC WELDING AND ARC WELDING METERS PER MINUTE.
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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |