US3630864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for continuous electrolytic polishing of fine metal wires
Assignee: Toshiba Corp
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Filing: 1968-06-13
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Granted: 1971-12-28
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Expires: 1988-06-13
Abstract
Abstract IN AN APPARATUS FOR EFFECTING THE CONTINUOUS ELECTROLYTIC POLISHING OF FINE METAL WIRES AN ELONGATED ELECTROLYTIC CELL IS DIVIDED INTO A PLURALITY OF ELECTROLYTIC CHAMBERS BY MEANS OF A PLURALITY OF PARTITION WALLS HAVING ALIGNED LIMITED OPENINGS TO PASS A STRAIGHT WIRE. AN ELECTROLYTE HAVING LOWER RESISTANCE THAN THE WIRE IS CIRCULATED THROUGH THE CELL SUCCESSIVELY THROUGH THE LIMITED OPENINGS AND CHAMBERS AND ALTERNATING CURRENT IS PASSED THROUGH THE WIRE WHEREBY IN EACH CHAMBER THE CURRENT FLOWS MAINLY THROUGH THE ELECTROLYTE TO CREATE POLARIZATION. THE APPARATUS IS UTILIZED IN A CONTINUOUS WIRE FINISHING LINE.
Inventors
- 👤 Kiyoshi Nakamura
- 👤 Koji Nabae
- 👤 Nobuo Ohsawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:32
CPC Classifications
C; C25; C25F; C25F3/00; C25F3/16; C25F3/22; C25F3/26; C21; C21B; C21B3/00; C21B3/04; C21B3/06; C21B3/10; C25F7/00
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) | 1974-12-27 | 1975-06-28 | 1975-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-27 | 1979-06-28 | 1979-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-27 | 1983-06-28 | 1983-12-28 | $7700.00 | Window Closed / Lapsed |