US4331857A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alloy-cored titanium welding wire
Assignee: United States Department of the Navy
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Filing: 1980-01-30
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Granted: 1982-05-25
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Expires: 2000-01-30
Abstract
Abstract A welding wire comprising a hollow tubular portion of titanium metal and a core portion filling the tubular portion. The core portion is formed of compacted alloying powders selected from the group aluminum, molybdenum, niobium, tantalum and vanadium. The core portion may also include powdered titanium.
Inventors
- 👤 Joseph R. Crisci
- 👤 Robert De Nale
- 👤 Gene L. Franke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:49
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/02; B23K35/0255; B23K35/0261; B23K35/0266; B23K35/22; B23K35/24; B23K35/32; B23K35/325
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
83 words
A welding wire comprising a hollow tubular portion of titanium metal and a core portion filling said tubular portion; said core portion being formed of material selected from the group of aluminum, molybdenum, niobium, tantalum and vanadium; and said welding wire consists, by weight percent, essentially of from about 81% to about 96% titanium; from about 2% to about 10% aluminum; from about 1% to about 4% niobium; from about 0.5% to about 3% tantalum; and from about 0.5% to about 2% molybdenum.
Claim 2
Dependent Claim
83 words
A welding wire comprising a hollow tubular portion of titanium metal and a core portion filling said tubular portion; said core portion being formed of material selected from the group of aluminum, molybdenum, niobium, tantalum and vanadium; and said welding wire consists, by weight percent, essentially of from about 81% to about 96% titanium; from about 2% to about 10% aluminum; from about 1% to about 4% niobium; from about 0.5% to about 3% tantalum; and from about 0.5% to about 2% molybdenum.
Claim 3
Dependent Claim
76 words
A welding wire comprising a hollow tubular portion of titanium metal and a core portion filling said tubular portion; said core portion being formed of material selected from the group of aluminum, molybdenum, noibium, tantalum and vanadium; and said welding wire consists, by weight percent, essentially of from about 83% to about 96.5% titanium; from about 2% to about 10% alumanum; from about 1% to about 4% niobium; and from about 0.5% to about 3% tantalum.
Claim 4
Dependent Claim
76 words
A welding wire comprising a hollow tubular portion of titanium metal and a core portion filling said tubular portion; said core portion being formed of material selected from the group of aluminum, molybdenum, noibium, tantalum and vanadium; and said welding wire consists, by weight percent, essentially of from about 83% to about 96.5% titanium; from about 2% to about 10% alumanum; from about 1% to about 4% niobium; and from about 0.5% to about 3% tantalum.
Claim 5
Dependent Claim
84 words
A welding wire comprises a hollow tubular portion of titanium metal and a core portion filling said tubular portion, said core portion being formed of compacted powders selected from the group of aluminum, molybdenum, niobium, tantalum, and titanium; and said welding wire consists, by weight percent, essentially of from about 81% to about 96% titanium, from about 2% to about 10% aluminum, from about 1% to about 4% niobium, from about 0.5% to about 3% tantalum, and from about 0.5% to about 2% molybdenum.
Claim 6
Dependent Claim
84 words
A welding wire comprises a hollow tubular portion of titanium metal and a core portion filling said tubular portion, said core portion being formed of compacted powders selected from the group of aluminum, molybdenum, niobium, tantalum, and titanium; and said welding wire consists, by weight percent, essentially of from about 81% to about 96% titanium, from about 2% to about 10% aluminum, from about 1% to about 4% niobium, from about 0.5% to about 3% tantalum, and from about 0.5% to about 2% molybdenum.
Claim 7
Dependent Claim
81 words
The welding wire according to claim 3, wherein a weld deposit produced by using the weld wire in a deposition process selected from the group of manual gas-tungsten-arc welding, automatic gas-tungsten-arc welding, semi-automatic gas-metal-arc welding, automatic gas-metal-arc welding, and submerged arc welding consists essentially, by weight percent, of from about 5.5% to about 6.5% aluminum, from about 1.5% to about 2.5% niobium, from about 0.5% to about 1.5% tantalum, from about 0.5% to about 1.0% molybdenum, and a balance of titanium.
Claim 8
Dependent Claim
76 words
A welding wire comprises a hollow tubular portion of titanium metal and a core portion filling said tubular portion, said core portion being formed of compacted powders selected from the group of aluminum, niobium, tantalum, and titanium, and said welding wire consists, by weight percent, essentially of from about 83% to about 96.5% titanium, from about 2% to about 10% aluminum, from about 1% to about 4% niobium, and from about 0.5% to about 3% tantalum.
Claim 9
Dependent Claim
76 words
A welding wire comprises a hollow tubular portion of titanium metal and a core portion filling said tubular portion, said core portion being formed of compacted powders selected from the group of aluminum, niobium, tantalum, and titanium, and said welding wire consists, by weight percent, essentially of from about 83% to about 96.5% titanium, from about 2% to about 10% aluminum, from about 1% to about 4% niobium, and from about 0.5% to about 3% tantalum.
Claim 10
Dependent Claim
71 words
The welding wire according to claim 5, wherein a weld deposit produced by using the weld wire in a deposition process selected from the group of manual gas-tungsten-arc welding, automatic gas-tungsten-arc welding, semi-automatic gas-metal-arc welding, automatic gas-metal-arc welding, and submerged arc welding consists essentially of from about 2.5% to about 3.5% aluminum, from about 1.5% to about 2.5% niobium, from about 0.5% to about 1.5% tantalum, and a balance of titanium.
Claim 11
Dependent Claim
68 words
A welding wire comprising a hollow tubular portion of titanium metal and a core portion filling said tubular portion, said core portion being formed of compacted powders selected from the group of aluminum, titanium and vanadium, and said welding wire consists, by weight percent, essentially of from about 75% to about 97% titanium; from about 2% to about 10% aluminum; and from about 1% to about 15% vanadium.
Claim 12
Dependent Claim
68 words
A welding wire comprising a hollow tubular portion of titanium metal and a core portion filling said tubular portion, said core portion being formed of compacted powders selected from the group of aluminum, titanium and vanadium, and said welding wire consists, by weight percent, essentially of from about 75% to about 97% titanium; from about 2% to about 10% aluminum; and from about 1% to about 15% vanadium.
Claim 13
Dependent Claim
131 words
A weld deposit on a titanium alloy plate material consists essentially, by weight percent, of from about 5.5% to about 6.5% aluminum, from about 1.5% to about 2.5% niobium, from about 0.5% to about 1.5% tantalum, from about 0.5% to about 1.0% molybdenum, and a balance of titanium; said weld deposit being produced by using a welding process selected from the group of manual gas-tungsten-arc welding, automatic gas-tungsten-arc welding, semi-automatic gas-metal-arc welding, automatic gas-metal-arc welding, and submerged arc welding; and said weld deposit being produced from a weld wire consisting essentially, by weight percent, of from about 81% to about 96% titanium, from about 2% to about 10% aluminum, from about 1% to about 4% niobium, from about 0.5% to about 3% tantalum, and from about 0.5% to about 2% molybdenum.
Claim 14
Dependent Claim
131 words
A weld deposit on a titanium alloy plate material consists essentially, by weight percent, of from about 5.5% to about 6.5% aluminum, from about 1.5% to about 2.5% niobium, from about 0.5% to about 1.5% tantalum, from about 0.5% to about 1.0% molybdenum, and a balance of titanium; said weld deposit being produced by using a welding process selected from the group of manual gas-tungsten-arc welding, automatic gas-tungsten-arc welding, semi-automatic gas-metal-arc welding, automatic gas-metal-arc welding, and submerged arc welding; and said weld deposit being produced from a weld wire consisting essentially, by weight percent, of from about 81% to about 96% titanium, from about 2% to about 10% aluminum, from about 1% to about 4% niobium, from about 0.5% to about 3% tantalum, and from about 0.5% to about 2% molybdenum.
Claim 15
Dependent Claim
117 words
A weld deposit on a titanium alloy plate material consists essentially, by weight percent, of from about 2.5% to about 3.5% aluminum, from about 1.5% to about 2.5% niobium, from about 0.5% to about 1.5% tantalum, and a balance of titanium; said weld deposit being produced by using a welding process selected from the group of manual gas-tungsten-arc welding, automatic gas-tungsten-arc welding, semiautomatic gas-metal-arc welding, automatic gas-metal-arc welding, and submerged arc welding; and said weld deposit being produced from a weld wire consisting essentially, by weight percent, of from about 83% to about 96.5% titanium, from about 2% to about 10% aluminum, from about 1% to about 4% niobium, and from about 0.5% to about 3% tantalum.
Claim 16
Dependent Claim
117 words
A weld deposit on a titanium alloy plate material consists essentially, by weight percent, of from about 2.5% to about 3.5% aluminum, from about 1.5% to about 2.5% niobium, from about 0.5% to about 1.5% tantalum, and a balance of titanium; said weld deposit being produced by using a welding process selected from the group of manual gas-tungsten-arc welding, automatic gas-tungsten-arc welding, semiautomatic gas-metal-arc welding, automatic gas-metal-arc welding, and submerged arc welding; and said weld deposit being produced from a weld wire consisting essentially, by weight percent, of from about 83% to about 96.5% titanium, from about 2% to about 10% aluminum, from about 1% to about 4% niobium, and from about 0.5% to about 3% tantalum.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-05-24 | 1985-11-23 | 1986-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-05-24 | 1989-11-23 | 1990-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-05-24 | 1993-11-23 | 1994-05-25 | $7700.00 | Window Closed / Lapsed |