US3565775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and device for electrolytic cutting
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
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Filing: 1968-04-02
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Granted: 1971-02-23
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Expires: 1988-04-02
Abstract
Abstract THE INVENTION CONCERNS ELECTROLYTIC CUTTING OF A METAL PART. AN ELECTROLYTE IS POURED TO THE PART THROUGH A NARROW PASSAGEWAY TO WHICH IS IMPARTED AN OSCILLATION MOTION PARALLEL TO THE CUT AND A PROTECTIVE LIQUID FILM IS FORMED ON EACH SIDE OF THE ELECTROLYTE FLOW FOR LIMITING THE LATERAL CUTTING ACTION OF THE ELECTROLYTE WHILST AN ELECTRIC CURRENT PASSES THROUGH IT BETWEEN THE PART AND THE PASSAGEWAY. THE PASSAGEWAY IS FORMED BY TWO FLAT CIRCULAR DISCS PARALLEL TO THE CUT AND FIXED ON A OSCILLATING HUB. THIS PASSAGEWAY AND THE NOZZLES ARE TRANSLATED RELATING TO THE PART TO KEEP CONSTANT THEIR DISTANCE TO THE CUT.
Inventors
- 👤 Paulette Bouchet
- 👤 Rene Chazot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:13
CPC Classifications
B; B23; B23H; B23H7/00; B23H7/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |