Patent US3089947A successfully refreshed from Google Patents.
US3089947A
Expired / Lapsed
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Arrangement and method for electrical impulse welding
Assignee: Individual
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Filing: 1960-12-20
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Granted: 1963-05-14
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Expires: 1980-12-20
Abstract
No abstract record available.
Inventors
- 👤 Frungel Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:13
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/30; B23K11/3081
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
A METHOD OF RESISTANCE-WELDING A WELDABLE ELEMENT FROM ONE SIDE TO ONE FACE OF A WELDABLE BODY HAVING AT LEAST TWO FACES OPPOSITE TO EACH OTHER, COMPRISING THE STEPS OF ESTABLISHING PHYSICAL CONTACT BETWEEN THE WELDABLE ELEMENT AND THE BODY IN A PREDETERMINED AREA OF ONE FACE OF THE LATTER; ESTABLISHING AN ELECTRICAL CIRCUIT THROUGH ONE ELECTRODE IN CONTACT WITH SAID WELDABLE ELEMENT THROUGH SAID BODY AND THROUGH A SECOND ELECTRODE IN CONTACT WITH SAID ONE FACE OF SAID BODY IN AN AREA CONSIDERABLY LARGER THAN SAID PREDETERMINED AREA; AND INJECTING INTO SAID CIRCUIT ELECTRIC ENERGY IN A SUFFICIENT AMOUNT TO RAISE THE TEMPERATURE IN SAID PREDETERMINED AREA WITHIN A PREDETERMINED PERIOD OF TIME TO WELDING TEMPERATURE CHARACTERISTIC OF THE MATERIALS OF SAID WELDABLE ELEMENT AND BODY, THE DURATION OF SAID PERIOD OF TIME AND THE WATTAGE OF SAID ELECTRIC ENERGY BEING LIMITED TO SUCH DEGREE THAT THE HEAT CARRIED BY SAID BODY FROM THE WELD AREA BY THERMAL CONVECTION CHARACTERISTIC OF THE MATERIAL OF SAID BODY IS INSUFFICIENT TO RAISE THE TEMPERATURE AT THE OPPOSITE FACE OF SAID BODY BEYOND A POINT CAUSING
Claim 2
Independent Claim
184 words
A METHOD OF RESISTANCE-WELDING A WELDABLE ELEMENT FROM ONE SIDE TO ONE FACE OF A WELDABLE BODY HAVING AT LEAST TWO FACES OPPOSITE TO EACH OTHER, COMPRISING THE STEPS OF ESTABLISHING PHYSICAL CONTACT BETWEEN THE WELDABLE ELEMENT AND THE BODY IN A PREDETERMINED AREA OF ONE FACE OF THE LATTER; ESTABLISHING AN ELECTRICAL CIRCUIT THROUGH ONE ELECTRODE IN CONTACT WITH SAID WELDABLE ELEMENT THROUGH SAID BODY AND THROUGH A SECOND ELECTRODE IN CONTACT WITH SAID ONE FACE OF SAID BODY IN AN AREA CONSIDERABLY LARGER THAN SAID PREDETERMINED AREA; AND INJECTING INTO SAID CIRCUIT ELECTRIC ENERGY IN A SUFFICIENT AMOUNT TO RAISE THE TEMPERATURE IN SAID PREDETERMINED AREA WITHIN A PREDETERMINED PERIOD OF TIME TO WELDING TEMPERATURE CHARACTERISTIC OF THE MATERIALS OF SAID WELDABLE ELEMENT AND BODY, THE DURATION OF SAID PERIOD OF TIME AND THE WATTAGE OF SAID ELECTRIC ENERGY BEING LIMITED TO SUCH DEGREE THAT THE HEAT CARRIED BY SAID BODY FROM THE WELD AREA BY THERMAL CONVECTION CHARACTERISTIC OF THE MATERIAL OF SAID BODY IS INSUFFICIENT TO RAISE THE TEMPERATURE AT THE OPPOSITE FACE OF SAID BODY BEYOND A POINT CAUSING
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) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |