Patent US3307014A successfully refreshed from Google Patents.
US3307014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arc welding process
Assignee: Fuji Iron and Steel Co Ltd
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Filing: 1965-09-13
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Granted: 1967-02-28
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Expires: 1985-09-13
Abstract
No abstract record available.
Inventors
- 👤 Bada Toyoaki
- 👤 Tanaka Norio
- 👤 Kabata Masaharu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:15
CPC Classifications
B; B23; B23K; B23K33/00; B23K33/004; B23K35/00; B23K35/02; B23K35/0255
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A METHOD OF WELD-UNITING FACING EDGES OF METAL WORKPIECES, USING THE FUSIBLE METAL ARC WELDING PROCESS, COMPRISING THE STEPS OF PROVIDING THE WORKPIECES WITH PLANAR EDGES TO BE WELD UNITED, THE PLANAR EDGES BEING SUBSTANTIALLY NORMAL TO THE SURFACES OF THE WORKPIECES; POSITIONING THE WORKPIECES WITH PLANAR FACING EDGES IN SPACED SUBSTANTIALLY PARALLEL RELATION TO FORM A SUBSTANTIALLY RECTANGULAR CROSS SECTION WELDING GROOVE OPENING THROUGH BOTH OF THE OPPOSITE SURFACES OF THE WORKPIECES; SUBSTANTIALLY FILLING THE GROOVE WITH FLUX-CORED, METALSHEATHED RODS IN SUBSTANTIALLY PARALLEL RELATION AND EXTENDING LONGITUDINALLY OF THE WELDING GROOVE, THE CORES OF SAID RODS INCLUDING A DEOXIDIZING AGENT, ALLOYING MATERIAL AND BASIC SLAG-FORMING MATERIAL; AND ELECTRICALLY WELD UNITING THE WORKPIECES BY AN ARC WELDING CURRENT FLOWING BETWEEN A FUSIBLE METAL WIRE AS ONE ELECTRODE AND THE WORKPIECES AS THE OTHER ELECTRODE.
Claim 2
Independent Claim
134 words
A METHOD OF WELD-UNITING FACING EDGES OF METAL WORKPIECES, USING THE FUSIBLE METAL ARC WELDING PROCESS, COMPRISING THE STEPS OF PROVIDING THE WORKPIECES WITH PLANAR EDGES TO BE WELD UNITED, THE PLANAR EDGES BEING SUBSTANTIALLY NORMAL TO THE SURFACES OF THE WORKPIECES; POSITIONING THE WORKPIECES WITH PLANAR FACING EDGES IN SPACED SUBSTANTIALLY PARALLEL RELATION TO FORM A SUBSTANTIALLY RECTANGULAR CROSS SECTION WELDING GROOVE OPENING THROUGH BOTH OF THE OPPOSITE SURFACES OF THE WORKPIECES; SUBSTANTIALLY FILLING THE GROOVE WITH FLUX-CORED, METALSHEATHED RODS IN SUBSTANTIALLY PARALLEL RELATION AND EXTENDING LONGITUDINALLY OF THE WELDING GROOVE, THE CORES OF SAID RODS INCLUDING A DEOXIDIZING AGENT, ALLOYING MATERIAL AND BASIC SLAG-FORMING MATERIAL; AND ELECTRICALLY WELD UNITING THE WORKPIECES BY AN ARC WELDING CURRENT FLOWING BETWEEN A FUSIBLE METAL WIRE AS ONE ELECTRODE AND THE WORKPIECES AS THE OTHER ELECTRODE.
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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |