Insulating and waterproofing system for storage tanks
Abstract
Abstract A SYSTEM FOR INSULATING AND WATERPROOFING A CHAMBER FOR STORING LIQUIFIED GAS AT CRYOGENIC TEMPERATURES. A FIRST LIQUID BARRIER AGAINST INGRESS OF EXTERNAL LIQUID, SUCH A WATER, IS SPACED FROM THE TOP, SIDES, AND FLOOR OF THE CHAMBER, A SECOND LIQUID BARRIER, HAVING AT LEAST A BOTTOM AND SIDES, TO PREVENT EGRESS OF THE LIQUID IS SPACED FROM THE FIRST LIQUID BARRIER AND IS IN DIRECT CONTACT WITH THE LIQUID GAS. THERMAL INSULATION COMPLETELY SURROUNDS THE CHAMBER AND FILLS THE SPACE BETWEEN THE BARRIERS FOR MAINTAINING THE LIQUID GAS AT CRYOGENIC TEMPERATURE. MATERIAL FILLS THE SPACE BETWEEN THE SIDES AND FLOOR OF THE CHAMBER AND IS WATER PERMEABLE TO PERMIT THE PASSAGE OF WATER AWAY FROM THE CHAMBER. THE FILLER MATERIAL ALSO TRANSMITS THE HYDROSTATIC PRESSURE FROM THE LIQUID GAS TO THE SIDES OF THE CHAMBER FOR BEARING SUPPORT.
Inventors
- 👤 Bertram E Eakin
- 👤 John L Granmer Jr
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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |