Patent US4689084A successfully refreshed from Google Patents.
US4689084A
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Composite material for construction purposes based on pozzuolanas and glass fibers and processes for manufacturing same
Assignee: Institut National des Sciences Appliquées de Lyon
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Filing: 1986-01-08
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Granted: 1987-08-25
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Expires: 2006-01-08
Abstract
Abstract This invention relates to a composite material for construction purposes, constituted by a mixture based on cement, pozzuolanas and glass fibers, wherein the mixture comprises: on the one hand, hydrated pozzuolanas obtained from kaolinic compounds, and on the other hand, non-metallic, inorganic glass fibers sensitive to alkalis. The invention also relates to processes for making this product adapted for the manufacture of bearing or insulating panels for buildings.
Inventors
- 👤 Jean Ambroise
- 👤 Michel Murat
- 👤 Jean Pera
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:29
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/02; C04B28/04; C04B28/18
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
56 words
A composite glass-fiber reinforced construction material, comprising: a cement compound which generates lime; less than 10% by weight of non-metallic inorganic non-alkali resistant glass fibers; and synthetic pozzuolanas obtained by calcination from kaolinic compounds, said kaolinic compounds containing at least 40% by weight of Kaolin, selected from the group consisting of clays, laterities and tropical soils.
Claim 2
Dependent Claim
56 words
A composite glass-fiber reinforced construction material, comprising: a cement compound which generates lime; less than 10% by weight of non-metallic inorganic non-alkali resistant glass fibers; and synthetic pozzuolanas obtained by calcination from kaolinic compounds, said kaolinic compounds containing at least 40% by weight of Kaolin, selected from the group consisting of clays, laterities and tropical soils.
Claim 3
Dependent Claim
30 words
The composite material of claim 1, wherein the cement compound is artificial Portland cement and a mass ratio between the synthetic kaolinic pozzuolanas and the Portland cement is approximately one.
Claim 4
Dependent Claim
29 words
The composite material of claim 1, wherein the non-alkali resistant glass fibers are E glass-fibers and a percent by weight of said E glass-fibers is between 0.5 and 2.5%.
Claim 5
Dependent Claim
25 words
The composite material of claim 1, wherein the non-alkali resistant glass-fibers comprise inorganic wools selected from the group consisting of rock wools and glass wools.
Claim 6
Dependent Claim
99 words
A process for manufacturing a composite glass-fiber reinforced construction matrix material comprising: calcining at a temperature of between 650 and 850° C. kaolinic compounds containing at least 40% by weight of Kaolin, to obtain synthetic metakaolinic pozzuolanas; mixing said metakaolinic pozzuolanas with water and an inorganic compound generating lime to form a mixture, a mass ratio between the metakaolinic pozzuolanas and the limegenerating compound being between 0.25 and 4 and a weight ratio between the water and all solids being between 0.3 and 0.6; reinforcing said mixture with E glass-fibers; and forming said mixture into a composite matrix material.
Claim 7
Dependent Claim
99 words
A process for manufacturing a composite glass-fiber reinforced construction matrix material comprising: calcining at a temperature of between 650 and 850° C. kaolinic compounds containing at least 40% by weight of Kaolin, to obtain synthetic metakaolinic pozzuolanas; mixing said metakaolinic pozzuolanas with water and an inorganic compound generating lime to form a mixture, a mass ratio between the metakaolinic pozzuolanas and the limegenerating compound being between 0.25 and 4 and a weight ratio between the water and all solids being between 0.3 and 0.6; reinforcing said mixture with E glass-fibers; and forming said mixture into a composite matrix material.
Claim 8
Dependent Claim
76 words
A process for manufacturing a composite glass-fiber reinforced matrix construction material comprising: dry mixing inorganic wools, powdered synthetic metakaolinic pozzuolanas and a compound which generates lime to form a mixture, said metakaolinic compound being obtained from calcining kaolinic compounds containing at least 40% by weight of Kaolin, said kaolinic compounds being selected from the group consisting of clays, laterities and tropical soils; wetting said mixture with water; and forming said mixture with a composite mixture material.
Claim 9
Dependent Claim
76 words
A process for manufacturing a composite glass-fiber reinforced matrix construction material comprising: dry mixing inorganic wools, powdered synthetic metakaolinic pozzuolanas and a compound which generates lime to form a mixture, said metakaolinic compound being obtained from calcining kaolinic compounds containing at least 40% by weight of Kaolin, said kaolinic compounds being selected from the group consisting of clays, laterities and tropical soils; wetting said mixture with water; and forming said mixture with a composite mixture material.
Claim 10
Dependent Claim
42 words
A process for manufacturing a composite glassfiber reinforced construction material comprising: shaping an inorganic wool comprising an inorganic binder; impregnating said bound wool with an aqueous suspension comprising synthetic metakaolinic powdered pozzuolanas and an inorganic compound generating lime; and eliminating excess water.
Claim 11
Dependent Claim
42 words
A process for manufacturing a composite glassfiber reinforced construction material comprising: shaping an inorganic wool comprising an inorganic binder; impregnating said bound wool with an aqueous suspension comprising synthetic metakaolinic powdered pozzuolanas and an inorganic compound generating lime; and eliminating excess water.
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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) | 1990-08-24 | 1991-02-23 | 1991-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-08-24 | 1995-02-23 | 1995-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-08-24 | 1999-02-23 | 1999-08-25 | $7700.00 | Window Closed / Lapsed |