US2611945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of rustproofing iron and steel reinforcing elements for steam cured concrete
Assignee: Internationella Siporex AB
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Filing: 1950-09-11
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Granted: 1952-09-30
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Expires: 1970-09-11
Abstract
No abstract record available.
Inventors
- 👤 Simonsson Lennart Hans
- 👤 Ulfstedt Leo Torsten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:33
CPC Classifications
E; E04; E04C; E04C5/00; E04C5/01; E04C5/015; E04C5/017
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
THE METHOD OF RUST-PROOFING IRON AND STEEL REINFORCING ELEMENTS FOR STEAM-CURED CONCRETE, WHICH COMPRISES FOR STEAM-CURED CONCRETE, LIQUID AQUEOUS SLURRY OF A FINELY GROUND MIXTURE OF LIME AND A REACTIVE SILICEOUS MATERIAL CONTAINING A SMALL PROPORTION OF A HYDROPHILIC ORGANIC COLLOIDAL BINDING MATERIAL WHICH AT LEAST SWELLS IN WATER IN AN AMOUNT SUFFICIENT TO RENDER THE COATING FLEXIBLE AND TOUGH AND TO PRODUCE A BINDING ACTION IN THE COATING, DRYING THE COATING THUS APPLIED BEFORE IT HAS HAD TIME TO SET, SURROUNDING THE SO-COATED REINFORCING ELEMENTS WITH A CONCRETE GROUT, AND SUBJECTING THE WHOLE TO A CURING BY STEAM, WHEREBY THE LIME AND SILICEOUS COMPONENTS OF THE COATING REACT WITH EACH OTHER AND SET PRODUCING A TIGHT WATERPROOF JOINT BETWEEN THE REINFORCING ELEMENTS AND THE CONCRETE.
Claim 2
Independent Claim
126 words
THE METHOD OF RUST-PROOFING IRON AND STEEL REINFORCING ELEMENTS FOR STEAM-CURED CONCRETE, WHICH COMPRISES FOR STEAM-CURED CONCRETE, LIQUID AQUEOUS SLURRY OF A FINELY GROUND MIXTURE OF LIME AND A REACTIVE SILICEOUS MATERIAL CONTAINING A SMALL PROPORTION OF A HYDROPHILIC ORGANIC COLLOIDAL BINDING MATERIAL WHICH AT LEAST SWELLS IN WATER IN AN AMOUNT SUFFICIENT TO RENDER THE COATING FLEXIBLE AND TOUGH AND TO PRODUCE A BINDING ACTION IN THE COATING, DRYING THE COATING THUS APPLIED BEFORE IT HAS HAD TIME TO SET, SURROUNDING THE SO-COATED REINFORCING ELEMENTS WITH A CONCRETE GROUT, AND SUBJECTING THE WHOLE TO A CURING BY STEAM, WHEREBY THE LIME AND SILICEOUS COMPONENTS OF THE COATING REACT WITH EACH OTHER AND SET PRODUCING A TIGHT WATERPROOF JOINT BETWEEN THE REINFORCING ELEMENTS AND THE CONCRETE.
References Cited (Backward Citations)
US2105324A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-30 | 1956-03-31 | 1956-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-30 | 1960-03-31 | 1960-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-30 | 1964-03-31 | 1964-09-30 | $7700.00 | Window Closed / Lapsed |