US3301994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of joining metal sheet or strip
Assignee: Taylor Winfield Corp
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Filing: 1964-10-09
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Granted: 1967-01-31
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Expires: 1984-10-09
Abstract
No abstract record available.
Inventors
- 👤 Melvin M Seeloff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:32
CPC Classifications
B; B23; B23K; B23K37/00; B23K37/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
THE METHOD OF JOINING METAL SHEET OR STRIP WHICH CONSISTS OF OVERLAPPING THE EDGE OR END PORTIONS THEREOF TO BE JOINED, ELECTRIC RESISTANCE WELDING SAID OVERLAP PORTIONS TOGETHER TO ESTABLISH A CONTINUOUS WELD NUGGET ALONG THE JOINT AND BETWEEN SAID PORTIONS, THEREAFTER REMOVING THE FREE SIDE EDGE PORTIONS OF SAID FIRST MENTIONED PORTIONS BY A SEVERING PROCESS WHICH RESULTS IN FLATLY INCLINED SURFACES ON OPPOSITE SURFACES OF THE FIRST MENTIONED PORTIONS WHICH ARE SUBSTANTIALLY PARALLEL TO EACH OTHER AND ON OPPOSITE SIDES OF AND CLOSELY ADJACENT TO SAID CONTINUOUS NUGGET, AND THEREAFTER APPLYING A COMPRESSIVE FORCE TO OPPOSITE SIDES OF THE WELDED AND OVERLAPPED PORTIONS IN THE REGION OF THE WELD AND ALONG THE LINE THEREOF TO FORCE SAID WELDED PORTIONS INTO SUBSTANTIALLY A COMMON PLANE.
Claim 2
Independent Claim
126 words
THE METHOD OF JOINING METAL SHEET OR STRIP WHICH CONSISTS OF OVERLAPPING THE EDGE OR END PORTIONS THEREOF TO BE JOINED, ELECTRIC RESISTANCE WELDING SAID OVERLAP PORTIONS TOGETHER TO ESTABLISH A CONTINUOUS WELD NUGGET ALONG THE JOINT AND BETWEEN SAID PORTIONS, THEREAFTER REMOVING THE FREE SIDE EDGE PORTIONS OF SAID FIRST MENTIONED PORTIONS BY A SEVERING PROCESS WHICH RESULTS IN FLATLY INCLINED SURFACES ON OPPOSITE SURFACES OF THE FIRST MENTIONED PORTIONS WHICH ARE SUBSTANTIALLY PARALLEL TO EACH OTHER AND ON OPPOSITE SIDES OF AND CLOSELY ADJACENT TO SAID CONTINUOUS NUGGET, AND THEREAFTER APPLYING A COMPRESSIVE FORCE TO OPPOSITE SIDES OF THE WELDED AND OVERLAPPED PORTIONS IN THE REGION OF THE WELD AND ALONG THE LINE THEREOF TO FORCE SAID WELDED PORTIONS INTO SUBSTANTIALLY A COMMON PLANE.
References Cited (Backward Citations)
US2892921A
Cited
US3021416A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |