US2919342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding of strip ends and the like
Assignee: Magnetic Heating Corp
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Filing: 1958-03-20
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Granted: 1959-12-29
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Expires: 1978-03-20
Abstract
No abstract record available.
Inventors
- 👤 Kohler Fred
- 👤 Walter C Rudd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:55
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
METHOD FOR WELDING AN ELONGATED EDGE OF ONE METAL PORTION TO AN ELONGATED EDGE OF ANOTHER METAL PORTION, WHICH COMPRISES: SAID PORTION RESPECTIVELY WITH THEIR SAID EDGES EXTENDING ALONG EACH OTHER IN CLOSE BUT SPACED RELATION: CAUSING HEATING CURRENT FROM A SOURCE OF A FREQUENCY OF ABOUT 50,000 CYCLES PER SECOND OR HIGHER TO BE CONDUCTED ONTO THE ELONGATED EDGE OF THE FIRST OF SAID PORTIONS TO FLOW THEREALONG; THENCE CONDUCTING SUCH CURRENT FLOW TO THE OUTER OF SAID ELONGATED EDGES TO FLOW BACK THEREALONG AND TO SOURCE, SUCH CONDUCTION OF THE CURRENT ONTO SAID PORTIONS BEING ACCOMPLISHED THROUGH THE MEDIUM OF CONDUCTIVE ELEMENTS EXTENDING ALONG IN CONTACT WITH SAID PORTIONS RESPECTIVELY, SAID ELEMENTS BEING POISITIONED WITH EDGES RESPECTIVELY CLOSE TO SAID EDGES OF SAID PORTIONS, THE PATH FOR SAID CURRENT EXTENDING FROM ONE ENE OF THE FIRST OF SAID ELEMENTS PARTICALLY ALONG ON SUCH ELEMENT AND PARTIALLY ALONG ON THE EDGE OF THE METAL PORTION WHICH IT CONTACTS, TO THE OTHER END OF SAID FIRST ELEMENT, THENCE OVER THE ADJACENT END OF THE OTHR ELEMENTS
Claim 2
Dependent Claim
176 words
METHOD FOR WELDING AN ELONGATED EDGE OF ONE METAL PORTION TO AN ELONGATED EDGE OF ANOTHER METAL PORTION, WHICH COMPRISES: SAID PORTION RESPECTIVELY WITH THEIR SAID EDGES EXTENDING ALONG EACH OTHER IN CLOSE BUT SPACED RELATION: CAUSING HEATING CURRENT FROM A SOURCE OF A FREQUENCY OF ABOUT 50,000 CYCLES PER SECOND OR HIGHER TO BE CONDUCTED ONTO THE ELONGATED EDGE OF THE FIRST OF SAID PORTIONS TO FLOW THEREALONG; THENCE CONDUCTING SUCH CURRENT FLOW TO THE OUTER OF SAID ELONGATED EDGES TO FLOW BACK THEREALONG AND TO SOURCE, SUCH CONDUCTION OF THE CURRENT ONTO SAID PORTIONS BEING ACCOMPLISHED THROUGH THE MEDIUM OF CONDUCTIVE ELEMENTS EXTENDING ALONG IN CONTACT WITH SAID PORTIONS RESPECTIVELY, SAID ELEMENTS BEING POISITIONED WITH EDGES RESPECTIVELY CLOSE TO SAID EDGES OF SAID PORTIONS, THE PATH FOR SAID CURRENT EXTENDING FROM ONE ENE OF THE FIRST OF SAID ELEMENTS PARTICALLY ALONG ON SUCH ELEMENT AND PARTIALLY ALONG ON THE EDGE OF THE METAL PORTION WHICH IT CONTACTS, TO THE OTHER END OF SAID FIRST ELEMENT, THENCE OVER THE ADJACENT END OF THE OTHR ELEMENTS
References Cited (Backward Citations)
US2066668A
Cited
US2172080A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-28 | 1963-06-29 | 1963-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-28 | 1967-06-29 | 1967-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-28 | 1971-06-29 | 1971-12-29 | $7700.00 | Window Closed / Lapsed |