GB674834A - Improvements in the production of magnesite bricks stable to temperature changes - Google Patents
Improvements in the production of magnesite bricks stable to temperature changesInfo
- Publication number
- GB674834A GB674834A GB33258/47A GB3325847A GB674834A GB 674834 A GB674834 A GB 674834A GB 33258/47 A GB33258/47 A GB 33258/47A GB 3325847 A GB3325847 A GB 3325847A GB 674834 A GB674834 A GB 674834A
- Authority
- GB
- United Kingdom
- Prior art keywords
- temperature changes
- magnesite
- magnesite bricks
- effected
- grinding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/03—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on magnesium oxide, calcium oxide or oxide mixtures derived from dolomite
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
674,834. Refractory substances. SLOVENSKE MAGNEZITOVE ZAVODY, NARODNY PODNIK. Dec. 17, 1947 [Aug. 31, 1943], No. 33258/47. Class 22 Magnesite bricks which are unaffected by temperature changes without the addition of foreign substances, are prepared by employing, as a bond for the grains of sintered magnesite, a sintered magnesia ground to a particle size of less than 40u, the grinding being effected in the presence of water whereby a certain amount of hydration occurs. The grinding and hydration may be effected in one or more stages. The powdered material may be further activated by treatment with an electrolyte such as sulphite lye. From 15 to 30 per cent, preferably under 20 per cent of the powdered material is employed. Other materials employed to prevent temperature changes in magnesite bricks, e.g. alumina or chromite may be included. Specifications 11771/12, 264,192, [both in Class 22], 370,477, and 418,580 are referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS674834X | 1943-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB674834A true GB674834A (en) | 1952-07-02 |
Family
ID=5454654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB33258/47A Expired GB674834A (en) | 1943-08-31 | 1947-12-17 | Improvements in the production of magnesite bricks stable to temperature changes |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB674834A (en) |
-
1947
- 1947-12-17 GB GB33258/47A patent/GB674834A/en not_active Expired
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