Battery having sealant impregnated into separator
Abstract
Abstract PATCHES OF ADHESIVE ARE IMPREGNATED INTO BATTERY SEPARATOR MATERIAL, EACH PATCH BEING IN THE FORM OF A CLOSED LOOP INSIDE OF WHICH IS AN AREA OF SEPARATOR MATERIAL NOT IMPREGNATED WITH THE ADHESIVE. ELECTROLYTE IS THEN IMPREGNATED INTO THE AREA INSIDE EACH PATCH OF ADHESIVE, AFTER WHICH THE SEPARATOR SEGMENTS ARE ASSEMBLED INTO BATTERIES WHERE THE ADHESIVE PATCHES SERVE AS SEALS. PREFERABLY THE ADHESIVE PATCHES ARE NONCONDUCTIVE AND ARE IMPREGNATED ALONG CONTINOUS STRIPS OF SEPARATOR MATERIAL, AND A FURTHER PREFERENCE IS TO ASSEMBLE THE SEPARATOR SEGMENTS INTO THE BATTERIES WHICH ARE STRUCURALLY CONNECTED TOGETHER BY THE CONTINUOUS STRIPS. AFTER ASSEMBLY OF THE BATTERIES THE CONTINUOUS STRIPS MAY BE CUT BETWEEN PATCHES OF ADHESIVE TO OBTAIN STRUCTURALLY UNCONNECTED BATTERIES.
Inventors
- 👤 William J Dermody
- 👤 John E Oltman
Bibliographic Details
Claims Analysis
Total Claims: 0References 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) | 1975-10-31 | 1976-05-01 | 1976-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-31 | 1980-05-01 | 1980-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-31 | 1984-05-01 | 1984-10-31 | $7700.00 | Window Closed / Lapsed |