US3072282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ship
Assignee: Conch International Methane Ltd
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Filing: 1960-02-04
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Granted: 1963-01-08
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Expires: 1980-02-04
Abstract
No abstract record available.
Inventors
- 👤 James J Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:35
CPC Classifications
F; F17; F17C; F17C3/00; F17C3/02; F17C3/025; B; B63; B63B; B63B25/00; B63B25/02; B63B25/08; B63B25/12; B63B25/16; F17C2201/00; F17C2201/05; F17C2201/052; F17C2203/00; F17C2203/01; F17C2203/011; F17C2203/012; F17C2203/013; F17C2203/03; F17C2203/0304; F17C2203/0354; F17C2203/06; F17C2203/0602; F17C2203/0612; F17C2203/0626; F17C2203/0631; F17C2203/0634; F17C2203/0636; F17C2203/0646; F17C2203/0648; F17C2221/00; F17C2221/03; F17C2221/032; F17C2221/033; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/03; F17C2223/033; F17C2260/00; F17C2260/01; F17C2260/011; F17C2260/03; F17C2260/031; F17C2260/033; F17C2260/035; F17C2260/038; F17C2270/00; F17C2270/01; F17C2270/0102; F17C2270/0105; Y; Y10; Y10S; Y10S220/00; Y10S220/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
339 words
IN THE STORAGE AND TRANSPORTATION OF A LIQUEFIED NATURAL GAS, A FLUID TIGHT OUTER SHELL FORMED OF A RIGID, STRUCTURALLY STRONG AND FLUID IMPERVIOUS MATERIAL DEFINING A STORAGE SPACE THEREIN, A THICK LAYER OF THERMAL INSULATING MATERIAL LINING THE SURFACE OF THE OUTER SHELL TO PROVIDE AN INSULATED SPACE, THE INSULATION LINING, IN AT LEAST THE BOTTOM WALL, BEING STRUCTURALLY STRONG AND DIMENSIONALLY STABLE TO CARRY THE LOAD OF THE CARGO TANKS WHEN FILLED WITH THE LIQUEFIED GAS, A CARGO TANK FOR THE LIQUEFIED GAS FORMED OF AN INNER SHELL OF A FLUID AND VAPOR IMPERVIOUS MATERIAL HAVING STRUCTURAL STRENGTH FOR SELF-SUFFICIENCY UNDER LOAD WHEN THE TANK IS FILLED WITH LIQUEFIED GAS, SAID INNER SHELL RESTING ON THE BOTTOM WALL OF THE INSULATION LINING BUT WITHOUT RIGID ATTACHMENT TO THE INSULATION LINING AND OUTER SHELL TO LEAVE THE INNER SHELL FREE FOR EXPANSION AND CONTRACTION MOVEMENTS INDEPENDENTLY OF THE INSULATION LINING AND THE OUTER SHELL, AND MEANS FOR STABILIZING THE POSITION OF THE INNER SHELL WITHIN THE INSULATED SPACE WITHOUT INTERFERING WITH ITS FREEDOM OF EXPANSION AND CONTRACTION MOVEMENTS COMPRISING GROOVES IN THE UPPER SURFACE OF THE INSULATING MATERIAL ADJACENT THE BOTTOM FACE OF THE INNER SHELL TO FORM KEYWAYS THE LENGTHS OF WHICH ARE CONSIDERABLY GREATER BY COMPARISON WITH THE WIDTH AND WHICH ARE RADIALLY ALIGNED WITH A CENTRALIZED STABILIZED POSITION OF THE TANK, AND KEYS FIXED TO THE UNDERSIDE OF THE INNER SHELL IN POSITIONS TO CORRESPOND WITH THE GROOVES THE LATTER OF WHICH ARE DIMENSIONED TO HAVE A LENGTH GREATER THAN THE LENGTH OF THE KEYS FOR RECEIVING THE KEYS IN UNBONDED RELATION THEREIN WHEN THE INNER SHELL IS IN POSITION OF USE AND IN WHICH THE CONTACTING FACES OF THE INNER SHELL AND THE UPPER SURFACE OF THE INSULATION LINING ARE OTHERWISE UNOBSTRUCTED THROUGHOUT WITH RESPECT TO ANY SLIDING RELATIONSHIP THEREBETWEEN THEREBY TO STABILIZE THE POSITION OF THE INNER SHELL RELATIVE TO THE OUTER SHELL WHILE PERMITTING THE INNER SHELL TO CHANGE IN ALL DIMENSION RELATIVE TO THE OUTER SHELL RESPONSIVE TO EXPANSION AND CONTRACTION.
Claim 2
Dependent Claim
339 words
IN THE STORAGE AND TRANSPORTATION OF A LIQUEFIED NATURAL GAS, A FLUID TIGHT OUTER SHELL FORMED OF A RIGID, STRUCTURALLY STRONG AND FLUID IMPERVIOUS MATERIAL DEFINING A STORAGE SPACE THEREIN, A THICK LAYER OF THERMAL INSULATING MATERIAL LINING THE SURFACE OF THE OUTER SHELL TO PROVIDE AN INSULATED SPACE, THE INSULATION LINING, IN AT LEAST THE BOTTOM WALL, BEING STRUCTURALLY STRONG AND DIMENSIONALLY STABLE TO CARRY THE LOAD OF THE CARGO TANKS WHEN FILLED WITH THE LIQUEFIED GAS, A CARGO TANK FOR THE LIQUEFIED GAS FORMED OF AN INNER SHELL OF A FLUID AND VAPOR IMPERVIOUS MATERIAL HAVING STRUCTURAL STRENGTH FOR SELF-SUFFICIENCY UNDER LOAD WHEN THE TANK IS FILLED WITH LIQUEFIED GAS, SAID INNER SHELL RESTING ON THE BOTTOM WALL OF THE INSULATION LINING BUT WITHOUT RIGID ATTACHMENT TO THE INSULATION LINING AND OUTER SHELL TO LEAVE THE INNER SHELL FREE FOR EXPANSION AND CONTRACTION MOVEMENTS INDEPENDENTLY OF THE INSULATION LINING AND THE OUTER SHELL, AND MEANS FOR STABILIZING THE POSITION OF THE INNER SHELL WITHIN THE INSULATED SPACE WITHOUT INTERFERING WITH ITS FREEDOM OF EXPANSION AND CONTRACTION MOVEMENTS COMPRISING GROOVES IN THE UPPER SURFACE OF THE INSULATING MATERIAL ADJACENT THE BOTTOM FACE OF THE INNER SHELL TO FORM KEYWAYS THE LENGTHS OF WHICH ARE CONSIDERABLY GREATER BY COMPARISON WITH THE WIDTH AND WHICH ARE RADIALLY ALIGNED WITH A CENTRALIZED STABILIZED POSITION OF THE TANK, AND KEYS FIXED TO THE UNDERSIDE OF THE INNER SHELL IN POSITIONS TO CORRESPOND WITH THE GROOVES THE LATTER OF WHICH ARE DIMENSIONED TO HAVE A LENGTH GREATER THAN THE LENGTH OF THE KEYS FOR RECEIVING THE KEYS IN UNBONDED RELATION THEREIN WHEN THE INNER SHELL IS IN POSITION OF USE AND IN WHICH THE CONTACTING FACES OF THE INNER SHELL AND THE UPPER SURFACE OF THE INSULATION LINING ARE OTHERWISE UNOBSTRUCTED THROUGHOUT WITH RESPECT TO ANY SLIDING RELATIONSHIP THEREBETWEEN THEREBY TO STABILIZE THE POSITION OF THE INNER SHELL RELATIVE TO THE OUTER SHELL WHILE PERMITTING THE INNER SHELL TO CHANGE IN ALL DIMENSION RELATIVE TO THE OUTER SHELL RESPONSIVE TO EXPANSION AND CONTRACTION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |