US3272667A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Submerged arc welding process and flux composition utilizing fluorocarbon
Assignee: EIDP Inc
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Filing: 1964-12-10
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Granted: 1966-09-13
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Expires: 1984-12-10
Abstract
No abstract record available.
Inventors
- 👤 John C Siegle
- 👤 Sr John Teti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:35
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/362
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
IN THE PROCESS OF WELDING METALS BY THE SUBMERGED ARC TECHNIQUE, THE IMPROVEMENT WHICH COMPRISES EMPLOYING AS A WELDING MEDIUM (1) A GRANULAR FLUX MATERIAL COMPRISING A MEMBER OF THE GROUP CONSISTING OF THE OXIDES OF CALCIUM, POTASSIUM, SODIUM, SILICON, ALUMINUM, TITANIUM, MAGNESIUM, AND MANGANESE, AND MIXTURES OF SAID OXIDES, AND (2) A SOLID FLUOROCARBON POLYMER OR TELOMER IN FINELY DIVIDED PARTICULATE FORM, THE FLUOROCARBON BEING SELECTED FROM THE GROUP CONSISTING OF POLYTETRAFLUOROETHYLENE, POLYCHLOROTRIFUUOROETHYLENE, POLYVINYLIDENE FLUORIDE, POLYHEXAFLUOROPROPYLENE, AND THE COPOLYMERS OF VINYLDIENE FLUORIDE AND TETRAFLUOROETHYLENE WITH HEXAFLUOROPROPYLENE, AND MIXTURES OF SAID FLUOROCARBONS.
Claim 2
Dependent Claim
92 words
IN THE PROCESS OF WELDING METALS BY THE SUBMERGED ARC TECHNIQUE, THE IMPROVEMENT WHICH COMPRISES EMPLOYING AS A WELDING MEDIUM (1) A GRANULAR FLUX MATERIAL COMPRISING A MEMBER OF THE GROUP CONSISTING OF THE OXIDES OF CALCIUM, POTASSIUM, SODIUM, SILICON, ALUMINUM, TITANIUM, MAGNESIUM, AND MANGANESE, AND MIXTURES OF SAID OXIDES, AND (2) A SOLID FLUOROCARBON POLYMER OR TELOMER IN FINELY DIVIDED PARTICULATE FORM, THE FLUOROCARBON BEING SELECTED FROM THE GROUP CONSISTING OF POLYTETRAFLUOROETHYLENE, POLYCHLOROTRIFUUOROETHYLENE, POLYVINYLIDENE FLUORIDE, POLYHEXAFLUOROPROPYLENE, AND THE COPOLYMERS OF VINYLDIENE FLUORIDE AND TETRAFLUOROETHYLENE WITH HEXAFLUOROPROPYLENE, AND MIXTURES OF SAID FLUOROCARBONS.
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) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |