US3076088A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and device for cooling welding apparatus
Assignee: SARAZIN AND CIE SA
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Filing: 1960-02-03
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Granted: 1963-01-29
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Expires: 1980-02-03
Abstract
No abstract record available.
Inventors
- 👤 Molina Claude
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:00
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/24; B23K9/28; B23K9/285
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
IN THE METHOD OF ARC WELDING WHEREIN A GAS FROM A SOURCE UNDER PRESSURE IS DIRECTED THROUGH AN EXPANSION VALVE TO REDUCE THE PRESSURE THEREOF AND THE EXPANDED GAS IS DIRECTED TO AND DISCHARGED FROM AN ARC WELDING HEAD TO SHIELD THE ARC AND WHEREIN THE ARC WELDING HEAD IS MAINTAINED AT A DESIRED LOW TEMPERATURE BY CONDUCTING A COOLING LIQUID IN HEAT EXCHANGE RELATION THERETO, THAT IMPROVEMENT WHICH COMPRISES UTILIZING THE HEAT TRANSFERRED TO THE COLLING LIQUID BY SAID HEAD TO RAISE THE TEMPERATURE OF THE GAS TRANSVERSING THE EXPANSION VALVE.
Claim 2
Dependent Claim
92 words
IN THE METHOD OF ARC WELDING WHEREIN A GAS FROM A SOURCE UNDER PRESSURE IS DIRECTED THROUGH AN EXPANSION VALVE TO REDUCE THE PRESSURE THEREOF AND THE EXPANDED GAS IS DIRECTED TO AND DISCHARGED FROM AN ARC WELDING HEAD TO SHIELD THE ARC AND WHEREIN THE ARC WELDING HEAD IS MAINTAINED AT A DESIRED LOW TEMPERATURE BY CONDUCTING A COOLING LIQUID IN HEAT EXCHANGE RELATION THERETO, THAT IMPROVEMENT WHICH COMPRISES UTILIZING THE HEAT TRANSFERRED TO THE COLLING LIQUID BY SAID HEAD TO RAISE THE TEMPERATURE OF THE GAS TRANSVERSING THE EXPANSION VALVE.
References Cited (Backward Citations)
US1716614A
Cited
US2827549A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |