US3171944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of submerged arc welding of fillet welds
Assignee: Pullmax AB
•
Filing: 1963-03-21
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Granted: 1965-03-02
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Expires: 1983-03-21
Abstract
No abstract record available.
Inventors
- 👤 Linnander Carl-Eric
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:17
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/18; B23K9/186; B23K9/188; B23K33/00; B23K33/004
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A PROCESS FOR AUTOMATICALLY ELECTRIC ARC WELDING TWO ELONGATED WORK PIECES TOGETHER COMPRISING IN COMBINATION THE STEPS OF POSITIONING SAID WORK PIECES WITH AN EDGE OF ONE WORK PIECED ABUTTING THE OTHER WORK PIECE AND WITH A VERTICAL SURFACE OF ONE WORK PIECE INTERSECTING A HORIZONTAL SURFACE OF THE OTHER WORK PIECE, RELATIVELY MOVING A PLURALITY OF WELDING ELECTRODES CONCURRENTLY ALONG THE WORK PIECES WHILE SUPPLYING ELECTRIC CURRENT TO SAID ELECTRODES, AT LEAST ONE LEADING ELECTRODE BEING POSITIONED TO DEPOSIT A FIRST WELD BEAD ON SAID HORIZONTAL SURFACE NEAR SAID VERTICAL SURFACE TO FORM A CHANNEL BETWEEN SAID BEAD AND SAID VERTICAL SURFACE AND AT LEAST ONE SUCCEEDING ELEC-
Claim 2
Dependent Claim
109 words
A PROCESS FOR AUTOMATICALLY ELECTRIC ARC WELDING TWO ELONGATED WORK PIECES TOGETHER COMPRISING IN COMBINATION THE STEPS OF POSITIONING SAID WORK PIECES WITH AN EDGE OF ONE WORK PIECED ABUTTING THE OTHER WORK PIECE AND WITH A VERTICAL SURFACE OF ONE WORK PIECE INTERSECTING A HORIZONTAL SURFACE OF THE OTHER WORK PIECE, RELATIVELY MOVING A PLURALITY OF WELDING ELECTRODES CONCURRENTLY ALONG THE WORK PIECES WHILE SUPPLYING ELECTRIC CURRENT TO SAID ELECTRODES, AT LEAST ONE LEADING ELECTRODE BEING POSITIONED TO DEPOSIT A FIRST WELD BEAD ON SAID HORIZONTAL SURFACE NEAR SAID VERTICAL SURFACE TO FORM A CHANNEL BETWEEN SAID BEAD AND SAID VERTICAL SURFACE AND AT LEAST ONE SUCCEEDING ELEC-
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) | 1968-03-01 | 1968-08-31 | 1969-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-01 | 1972-08-31 | 1973-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-01 | 1976-08-31 | 1977-03-02 | $7700.00 | Window Closed / Lapsed |