ZA773879B - A method for dry spraying calcium sulfate hemi-hydrate - Google Patents
A method for dry spraying calcium sulfate hemi-hydrateInfo
- Publication number
- ZA773879B ZA773879B ZA00773879A ZA773879A ZA773879B ZA 773879 B ZA773879 B ZA 773879B ZA 00773879 A ZA00773879 A ZA 00773879A ZA 773879 A ZA773879 A ZA 773879A ZA 773879 B ZA773879 B ZA 773879B
- Authority
- ZA
- South Africa
- Prior art keywords
- hydrate
- calcium sulfate
- dry spraying
- sulfate hemi
- spraying calcium
- Prior art date
Links
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000005507 spraying Methods 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/003—Methods for mixing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/14—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas designed for spraying particulate materials
- B05B7/1481—Spray pistols or apparatus for discharging particulate material
- B05B7/149—Spray pistols or apparatus for discharging particulate material with separate inlets for a particulate material and a liquid to be sprayed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/40—Mixing specially adapted for preparing mixtures containing fibres
- B28C5/402—Methods
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Lining And Supports For Tunnels (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US70969976A | 1976-07-29 | 1976-07-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA773879B true ZA773879B (en) | 1978-05-30 |
Family
ID=24850983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA00773879A ZA773879B (en) | 1976-07-29 | 1977-06-28 | A method for dry spraying calcium sulfate hemi-hydrate |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS5317501A (en) |
| AR (1) | AR214744A1 (en) |
| AU (1) | AU2643077A (en) |
| BR (1) | BR7704888A (en) |
| CA (1) | CA1067301A (en) |
| DE (1) | DE2733540A1 (en) |
| FR (1) | FR2359649A1 (en) |
| GB (1) | GB1589994A (en) |
| IN (1) | IN146244B (en) |
| IT (1) | IT1079792B (en) |
| ZA (1) | ZA773879B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IE49426B1 (en) * | 1980-03-18 | 1985-10-02 | Tegral Technology Ltd | Method of making asbestos-free,glass fibre reinforced,cement composite products and the products of such method |
| DE3824908A1 (en) * | 1988-07-22 | 1990-02-01 | Gema Ransburg Ag | METHOD AND DEVICE FOR ELECTROSTATIC SPRAY COATING |
-
1977
- 1977-06-24 AU AU26430/77A patent/AU2643077A/en active Pending
- 1977-06-28 ZA ZA00773879A patent/ZA773879B/en unknown
- 1977-07-01 IN IN993/CAL/77A patent/IN146244B/en unknown
- 1977-07-07 JP JP8147677A patent/JPS5317501A/en active Pending
- 1977-07-07 AR AR268360A patent/AR214744A1/en active
- 1977-07-18 IT IT50327/77A patent/IT1079792B/en active
- 1977-07-20 CA CA283,159A patent/CA1067301A/en not_active Expired
- 1977-07-22 GB GB30944/77A patent/GB1589994A/en not_active Expired
- 1977-07-25 DE DE19772733540 patent/DE2733540A1/en not_active Withdrawn
- 1977-07-26 BR BR7704888A patent/BR7704888A/en unknown
- 1977-07-28 FR FR7723282A patent/FR2359649A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE2733540A1 (en) | 1978-02-02 |
| GB1589994A (en) | 1981-05-28 |
| AU2643077A (en) | 1979-01-04 |
| IT1079792B (en) | 1985-05-13 |
| BR7704888A (en) | 1978-08-22 |
| JPS5317501A (en) | 1978-02-17 |
| AR214744A1 (en) | 1979-07-31 |
| CA1067301A (en) | 1979-12-04 |
| IN146244B (en) | 1979-03-31 |
| FR2359649A1 (en) | 1978-02-24 |
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