Electrodes for electrolytic or cathodic anticorrosion protection
Abstract
Abstract THIS INVENTION RELATES TO ELECTRODES FOR USE IN CATHODIC OR ELECTROLYTIC ANTICORROSION PROTECTION, PARTCULARLY FOR PROTECTING OBJECTS SITED IN SEA WATE, OF THE KIND COMPRISIN ONE OR MORE TUBES MADE OF A SUITABLE METAL, SUCH AS TITANIUM OR TANTALUM, COVERED BY AN ACTIVE LAYER OF ANOTHER SUITABLE METAL, SUCH AS PLATINUM OR RHODIUM.ACCORDING TO THE INVENTION, THIS TUBE OF TUBES IS/ARE PERFORATED AND HOUSED IN A GROOVE OF A BASE MEMBER OF INSULATING MATERIAL, THE INTERENGAGEMENT BEING EFFECTED BY MEANS OF AN ELECTRICALLY INSULATING SEALING MATERIAL WHICH PENETRATES THROUGH THE PERFORATIONS IN THE TUBE OF TUBES. ADVANTAGEOUSLY, THE ACTIVE LAYER COVERS ONLY PART OF THE TUBE. THE GROOVE IS PREFERABLY OF SUCH SHAPE AS TO PROVIDE A POSITIVE INTERLOCK, E.G. IT IS OF DOVETAIL SECTION AND, TO ENCHANCE THE ANCHORING EFFECT, ONE OR MORE WIRES PASSING THROUGH OPPOSED PERFORATIONS IN THE TUBE IS/ARE EMBEDDED IN THE SEALING MATERIAL OUTSIDE THE TUBE.
Inventors
- 👤 Bernard Marie Louis Heuze
Bibliographic Details
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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) | 1975-08-15 | 1976-02-14 | 1976-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-15 | 1980-02-14 | 1980-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-15 | 1984-02-14 | 1984-08-15 | $7700.00 | Window Closed / Lapsed |