US3140378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for welding strips onto a tube
Assignee: Ohio Crankshaft Co
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Filing: 1962-03-14
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Granted: 1964-07-07
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Expires: 1982-03-14
Abstract
No abstract record available.
Inventors
- 👤 William E Benninghoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:27
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/08; B23K11/082; B23K11/084; B23K9/00; B23K9/02; B23K9/032; B23K9/0325; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49377; Y10T29/49378; Y10T29/49382
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
AN APPARATUS FOR CONTINUOUSLY WELDING A FIRST AND SECOND MEMBER MOVING IN SUBSTANTIALLY THE SAME DIRECTION AND CONVERGING AT A POINT, COMPRISING A CONTACT ABUTTING EACH OF SAID MEMBERS AND SPACED FROM SAID POINT, AN INDUCTION COIL MEANS CLOSE SPACED FROM SAID FIRST MEMBER AND SPACED FROM SAID POINT, POWER MEANS FOR CAUSING A HEATING CURRENT TO FLOW THROUGH SAID CONTACTS, SAID MEMBERS, AND SAID POINT TO WELD SAID MEMBERS AS THEY CONVERGE, AND A HIGH FREQUENCY POWER MEANS FOR ENERGIZING SAID COIL MEANS TO INDUCTIVELY PREHEAT SAID FIRST MEMBER BEFORE SAID MEMBER REACHES SAID POINT.
Claim 2
Independent Claim
96 words
AN APPARATUS FOR CONTINUOUSLY WELDING A FIRST AND SECOND MEMBER MOVING IN SUBSTANTIALLY THE SAME DIRECTION AND CONVERGING AT A POINT, COMPRISING A CONTACT ABUTTING EACH OF SAID MEMBERS AND SPACED FROM SAID POINT, AN INDUCTION COIL MEANS CLOSE SPACED FROM SAID FIRST MEMBER AND SPACED FROM SAID POINT, POWER MEANS FOR CAUSING A HEATING CURRENT TO FLOW THROUGH SAID CONTACTS, SAID MEMBERS, AND SAID POINT TO WELD SAID MEMBERS AS THEY CONVERGE, AND A HIGH FREQUENCY POWER MEANS FOR ENERGIZING SAID COIL MEANS TO INDUCTIVELY PREHEAT SAID FIRST MEMBER BEFORE SAID MEMBER REACHES SAID POINT.
References Cited (Backward Citations)
US1909704A
Cited
US2107831A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |