US3587953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for severing of metal band or metal plate
Assignee: BBC Brown Boveri AG Germany
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Filing: 1968-08-26
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Granted: 1971-06-28
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Expires: 1988-08-26
Abstract
Abstract METHOD OF SEVERING METAL SHEET SUCH AS BANDS AND PLATES INTO STRIPS INCLUDES FEEDING THE SHEET IN A GIVEN DIRECTION, PASSING A CHIP-REMOVING TOOL TRANSVERSELY TO THE FEED DIRECTION OVER THE SHEET AT A RIGIDLY SUPPORTED LOCATION THEREOF SO AS TO FORM A GROOVE IN THE SHEET HAVING A DEPTH EQUAL TO AT LEAST HALF THE THICKNESS OF THE SHEET, AND OSCILLATING THE SHEET PORTIONS ON BOTH SIDES OF THE GROOVE RELATIVE TO ONE ANOTHER SO THAT THE REMAINDER OF THE THICKNESS OF THE SHEET IS BROKEN THROUGH ALONG THE GROOVE, AND DEVICE FOR CARRYING OUT THE FOREGOING METHOD.
Inventors
- 👤 Max Stehle
- 👤 Egon Kirchner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:20
CPC Classifications
B; B23; B23D; B23D31/00; B23D31/002; Y; Y10; Y10T; Y10T225/00; Y10T225/10; Y10T225/12; Y10T225/30; Y10T225/307; Y10T225/321; Y10T225/325; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T29/4979
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |