US3271553A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Overlay welding
Assignee: Hoskins Manufacturing Co
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Filing: 1965-06-24
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Granted: 1966-09-06
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Expires: 1985-06-24
Abstract
No abstract record available.
Inventors
- 👤 Wallace C Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:03
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
A PROCESS OF ELECTRIC ARC OVERLAY WELDING ON A BASE METAL WHICH HAS WELDED THERETO AT LEAST ONE PREVIOUS OVERLAY WELD BEAD EXTENDING ALONG ONE SURFACE OF THE BASE METAL, WHICH COMPRISES LAYING DOWN A LAYER OF METALLIC PARTICLES APPROXIMATELY ADJOINING THE EDGE OF THE PREVIOUS WELD BEAD AND AGAINST THE SURFACE OF THE BASE METAL, SAID LAYER OF METALLIC PARTICLES BEING OF UNIFORM HEIGHT, BRINGING THE END OF A STRIP ELECTRODE THAT IS WIDER THAN IT IS THICK INTO ARCING PROXIMITY TO THE LAYER OF METALLIC PARTICLES AND TO THE EDGE OF THE PREVIOUS WELD BEAD, SAID STRIP ELECTRODE OVERHANGING THE EDGE OF THE PREVIOUS WELD BEAD AND ALSO THE LAYER OF METALLIC PARTICLES, MAINTAINING AN ARC TO A WELD POOL FORMED BY MELTING THE PARTICLES, THE STRIP ELECTRODE, THE EDGE OF THE PREVIOUS WELD BEAD, AND THE SURFACE OF THE BASE METAL, AND ADVANCING THE STRIP ELECTRODE IN THE GENERAL DIRECTION OF ITS THICKNESS LENGTHWISE OF THE LAYER OF METALLIC PARTICLES AND THE ADJOINING WELD BEAD.
Claim 2
Dependent Claim
168 words
A PROCESS OF ELECTRIC ARC OVERLAY WELDING ON A BASE METAL WHICH HAS WELDED THERETO AT LEAST ONE PREVIOUS OVERLAY WELD BEAD EXTENDING ALONG ONE SURFACE OF THE BASE METAL, WHICH COMPRISES LAYING DOWN A LAYER OF METALLIC PARTICLES APPROXIMATELY ADJOINING THE EDGE OF THE PREVIOUS WELD BEAD AND AGAINST THE SURFACE OF THE BASE METAL, SAID LAYER OF METALLIC PARTICLES BEING OF UNIFORM HEIGHT, BRINGING THE END OF A STRIP ELECTRODE THAT IS WIDER THAN IT IS THICK INTO ARCING PROXIMITY TO THE LAYER OF METALLIC PARTICLES AND TO THE EDGE OF THE PREVIOUS WELD BEAD, SAID STRIP ELECTRODE OVERHANGING THE EDGE OF THE PREVIOUS WELD BEAD AND ALSO THE LAYER OF METALLIC PARTICLES, MAINTAINING AN ARC TO A WELD POOL FORMED BY MELTING THE PARTICLES, THE STRIP ELECTRODE, THE EDGE OF THE PREVIOUS WELD BEAD, AND THE SURFACE OF THE BASE METAL, AND ADVANCING THE STRIP ELECTRODE IN THE GENERAL DIRECTION OF ITS THICKNESS LENGTHWISE OF THE LAYER OF METALLIC PARTICLES AND THE ADJOINING WELD BEAD.
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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |