Patent US3560702A successfully refreshed from Google Patents.
US3560702A
Expired / Lapsed
US
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Composite electrode for consumable electrode arc welding process
Assignee: Kobe Steel Ltd
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Filing: 1969-02-24
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Granted: 1971-02-02
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Expires: 1989-02-24
Abstract
Abstract A consumable composite electrode of infinite length for use in an automatic arc-welding of steel without shielding gas and the like shielding means comprising a steel sheath and a powdery mixture filled within the sheath and having a specific composition which contributes to the arc-welding of the steel workpiece.
Inventors
- 👤 Masayasu Arikawa
- 👤 Motomi Kano
- 👤 Sho Horiuchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:46
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/3601; B23K35/3603; B23K35/3605; B23K35/368
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
77 words
A composite wire electrode for use in open-type arc-welding of steel without shielding gas, comprising a metal sheath and a powdery flux filled in said sheath, said flux essentially comprising by weight of the total wire electrode, respectively 614 percent of CaF2, 0.1- 1.5 percent of Mn, 0.8- 2 percent of Ni and 2- 5 percent of Al-Mg alloy containing NaCl and KCl in the total amount of 0.006- 0.06 percent by weight of the Al-Mg alloy.
Claim 2
Dependent Claim
77 words
A composite wire electrode for use in open-type arc-welding of steel without shielding gas, comprising a metal sheath and a powdery flux filled in said sheath, said flux essentially comprising by weight of the total wire electrode, respectively 614 percent of CaF2, 0.1- 1.5 percent of Mn, 0.8- 2 percent of Ni and 2- 5 percent of Al-Mg alloy containing NaCl and KCl in the total amount of 0.006- 0.06 percent by weight of the Al-Mg alloy.
Claim 3
Dependent Claim
43 words
A composite wire electrode for use in arc-welding of steel without shielding gas as set forth in claim 1, said powdery flux further comprising one or more members selected from the group comprising Ti, Zr and the like as denitrification element or elements.
Claim 4
Dependent Claim
46 words
A composite wire electrode for use in arc-welding of steel without shielding gas as set forth in claim 1, said powdery flux further comprising one or more members selected from the group comprising Si, Cr, Co, B, V, W, C, Cu as alloying element or elements.
Claim 5
Dependent Claim
47 words
A composite wire electrode for use in arc-welding of steel without shielding gas as set forth in claim 1, said powdery flux further comprising one or more members selected from the group comprising TiO2, SiO2, Al2O3, ZrO2, MgO, CaO, MnO, MnO2, K20, Na20, CaCo3, MgCO3 and BaCO3.
Claim 6
Dependent Claim
51 words
A composite wire electrode for use in arc-welding of steel without shielding gas as set forth in claim 1, said powdery flux further comprising Fe powder in the amount of 2- 18 percent by weight of the total wire electrode as one ingredient of the flux composition of said wire electrode.
Claim 7
Dependent Claim
85 words
A composite wire electrode for use in open-type arc-welding of steel without shielding gas as set forth in claim 1, said powdery flux in said metal sheath being in the amount of 10- 40 percent by weight of the total wire electrode and in said Al-Mg alloy Al is 35- 65 percent and Mg is 56- 35 percent by weight of the total wire electrode and the total amount of contained in said Al-Mg alloy is 0.006- 0.025 percent by weight of said Al-Mg alloy.
References Cited (Backward Citations)
US3424892A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |