US3253113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxy-argon gas-shielded metal-arc welding
Assignee: Union Carbide Corp
•
Filing: 1964-11-25
•
Granted: 1966-05-24
•
Expires: 1984-11-25
Abstract
No abstract record available.
Inventors
- 👤 Peter P Breymeier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:31
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/16; B23K9/173
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A METHOD OF ELECTRIC METAL ARC WELDING WITH A CONTINUOUSLY FED BARE METAL WIRE ELECTRODE CONNECTED IN A WELDING CIRCUIT WITH METAL WORK WHILE A STREAM OF REACTIVE GAS FLOWS OVER THE ARC AND ADJACENT METAL, CHARACTERIZED IN THAT SAID REACTIVE GAS STREAM CONSISTS OF THE USE A MIXTURE OF MORE THAN 80% TO LESS THAN 98% COMMERCIALLY PURE ARGON GAS AND FROM MORE THAN 2% TO LESS THAN 20% OF COMMERCIALLY PURE OXYGEN GAS, AND THE ELECTRODE AND WORK ARE COMPOSED OF CARBON STEEL, THE EFFECT OF SUCH OXYGEN IN THE GAS STREAM BEING TO MAKE THE GAS IN SUCH STREAM REACTIVE, I.E. OXIDIZING WITH RESPECT TO SUCH METAL, WITHOUT IMPAIRING THE SOUNDNESS OF THE RESULTING WELD.
Claim 2
Independent Claim
118 words
A METHOD OF ELECTRIC METAL ARC WELDING WITH A CONTINUOUSLY FED BARE METAL WIRE ELECTRODE CONNECTED IN A WELDING CIRCUIT WITH METAL WORK WHILE A STREAM OF REACTIVE GAS FLOWS OVER THE ARC AND ADJACENT METAL, CHARACTERIZED IN THAT SAID REACTIVE GAS STREAM CONSISTS OF THE USE A MIXTURE OF MORE THAN 80% TO LESS THAN 98% COMMERCIALLY PURE ARGON GAS AND FROM MORE THAN 2% TO LESS THAN 20% OF COMMERCIALLY PURE OXYGEN GAS, AND THE ELECTRODE AND WORK ARE COMPOSED OF CARBON STEEL, THE EFFECT OF SUCH OXYGEN IN THE GAS STREAM BEING TO MAKE THE GAS IN SUCH STREAM REACTIVE, I.E. OXIDIZING WITH RESPECT TO SUCH METAL, WITHOUT IMPAIRING THE SOUNDNESS OF THE RESULTING WELD.
References Cited (Backward Citations)
US2053417A
Cited
US2409388A
Cited
US2424201A
Cited
US2497589A
Cited
US2559132A
Cited
US2504867A
Cited
US2504868A
Cited
US2544711A
Cited
US3143631A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-23 | 1969-11-22 | 1970-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-23 | 1973-11-22 | 1974-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-23 | 1977-11-22 | 1978-05-24 | $7700.00 | Window Closed / Lapsed |