Patent US3118010A successfully refreshed from Google Patents.
US3118010A
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Method and apparatus for constructing a concrete structure
Assignee: IVAN HIMMEL
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Filing: 1960-10-10
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Granted: 1964-01-14
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Expires: 1980-10-10
Abstract
No abstract record available.
Inventors
- 👤 Harrington Horrall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:43
CPC Classifications
E; E04; E04G; E04G11/00; E04G11/04; E04G11/045; Y; Y10; Y10S; Y10S425/00; Y10S425/014; Y10S425/119
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
THE METHOD OF CONSTRUCTING CONCRETE SHELL STRUCTURES, OF A SHAPE WHOSE ELEMENTS ARE CIRCLE ARCS, BY USE OF AN INFLATED PNEUMATIC FORM CONFORMING ESSENTIALLY TO THE ULTIMATE EXTENSIVE CONFIGURATION OF THE STRUCTURE, COMPRISING THE STEPS OF PROVIDING A LAMINATED INFLATABLE MEMBER HAVING AN INNER LAYER CAPABLE OF RECEIVING AND RETAINING WET CEMENTITIOUS MATERIAL, LINING SAID INFLATABLE MEMBER WITH A NETWORK OF WIRE ROPES IN PREDETERMINED DESIGN, SECURING SAID LINED MEMBER TO A SUITABLE FOUNDATION, INFLATING SAID MEMBER WITH A PRESSURE GREATER THAN THE CORRESPONDING WEIGHT OF WET CEMENTITIOUS MATERIAL TO BE APPLIED THERETO AND THEREBY STRESSING SAID WIRE ROPES, APPLYING WET CEMENTITIOUS MATERIAL TO THE INNER SURFACE OF SAID MEMBER AND TO THE SAID WIRE ROPES, AND MAINTAINING SAID INFLATION PRESSURE WHILE THE SAID CEMENTITIOUS MATERIAL HARDENS WHEREBY THE STRESSED WIRE ROPES ARE EMBEDDED IN SAID MATERIAL AND THE HARDENED MATERIAL IS COMPRESSED WHEN INFLATION PRESSURE IS RELEASED.
Claim 2
Independent Claim
148 words
THE METHOD OF CONSTRUCTING CONCRETE SHELL STRUCTURES, OF A SHAPE WHOSE ELEMENTS ARE CIRCLE ARCS, BY USE OF AN INFLATED PNEUMATIC FORM CONFORMING ESSENTIALLY TO THE ULTIMATE EXTENSIVE CONFIGURATION OF THE STRUCTURE, COMPRISING THE STEPS OF PROVIDING A LAMINATED INFLATABLE MEMBER HAVING AN INNER LAYER CAPABLE OF RECEIVING AND RETAINING WET CEMENTITIOUS MATERIAL, LINING SAID INFLATABLE MEMBER WITH A NETWORK OF WIRE ROPES IN PREDETERMINED DESIGN, SECURING SAID LINED MEMBER TO A SUITABLE FOUNDATION, INFLATING SAID MEMBER WITH A PRESSURE GREATER THAN THE CORRESPONDING WEIGHT OF WET CEMENTITIOUS MATERIAL TO BE APPLIED THERETO AND THEREBY STRESSING SAID WIRE ROPES, APPLYING WET CEMENTITIOUS MATERIAL TO THE INNER SURFACE OF SAID MEMBER AND TO THE SAID WIRE ROPES, AND MAINTAINING SAID INFLATION PRESSURE WHILE THE SAID CEMENTITIOUS MATERIAL HARDENS WHEREBY THE STRESSED WIRE ROPES ARE EMBEDDED IN SAID MATERIAL AND THE HARDENED MATERIAL IS COMPRESSED WHEN INFLATION PRESSURE IS RELEASED.
References Cited (Backward Citations)
US2270229A
Cited
US2388701A
Cited
US2528643A
Cited
US2892239A
Cited
US2790400A
Cited
US2944370A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-13 | 1967-07-15 | 1968-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-13 | 1971-07-15 | 1972-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-13 | 1975-07-15 | 1976-01-14 | $7700.00 | Window Closed / Lapsed |