Undersea coring machine
Abstract
Abstract THE MACHINE, INTENDED FOR OPERATION AT OCEAN DEPTHS UP TO SEVERAL MILES, COMPRISES A GENERALLY TRIANGULAR PLATFORM WITH A MOTOR-OPERATED AUGER AT EACH CRNER BY WHICH IT MAY BE ATTACHED TO THE GROUND, AND A CENTRALLY SITUATED CORING TUBE WITH WHICH ARE ASSOCIATED MEANS FOR RAISING AND LOWERING THE TUBE, AND MEANS FOR INSERTING PLASTIC SPACERS BETWEEN SUCCESSIVE SAMPLES. THE WHOLE IS CONNECTED BY A CABLE TO A SHIP. THE TUBE IS DRIVEN AND WITHDRAWN BY OPERATION OF AN ECCENTRIC VIBRATOR COACTING WITH A BIASING LEAD SCREW AND FLEXIBLE STRUT. A SUPPLY OF SAUCER-LIKE DISKS IS CONTAINED IN A MAGAZINE SITUATED VERTICALLY AND PARALLEL TO THE SAMPLING TUBE, AND TRANSFER MEANS ARE PROVIDED TO SLIDE THE BOTTOM DISK OUT OF THE MAGAZINE, AND TO PRESS IT UP INTO THE BOTTOM OF THE SAMPLING TUBE PAST THE CHECK VALVE IN ITS FOOT. D R A W I N G
Inventors
- 👤 E Dane
Bibliographic Details
Claims Analysis
Total Claims: 0References 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) | 1976-02-06 | 1976-08-07 | 1977-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-06 | 1980-08-07 | 1981-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-06 | 1984-08-07 | 1985-02-06 | $7700.00 | Window Closed / Lapsed |