FR2430921A1 - Procede de fabrication d'articles en gypse - Google Patents
Procede de fabrication d'articles en gypseInfo
- Publication number
- FR2430921A1 FR2430921A1 FR7918086A FR7918086A FR2430921A1 FR 2430921 A1 FR2430921 A1 FR 2430921A1 FR 7918086 A FR7918086 A FR 7918086A FR 7918086 A FR7918086 A FR 7918086A FR 2430921 A1 FR2430921 A1 FR 2430921A1
- Authority
- FR
- France
- Prior art keywords
- plaster
- producing gypsum
- gypsum articles
- potassium sulfate
- articles
- 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.)
- Granted
Links
- 229910052602 gypsum Inorganic materials 0.000 title 1
- 239000010440 gypsum Substances 0.000 title 1
- 239000011505 plaster Substances 0.000 abstract 3
- 238000004519 manufacturing process Methods 0.000 abstract 2
- XEPHLVLFTHOHGU-UHFFFAOYSA-L dipotassium sulfate dihydrate Chemical compound O.O.[K+].[K+].[O-]S([O-])(=O)=O XEPHLVLFTHOHGU-UHFFFAOYSA-L 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 abstract 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 abstract 1
- 229910052939 potassium sulfate Inorganic materials 0.000 abstract 1
- 235000011151 potassium sulphates Nutrition 0.000 abstract 1
- 239000002002 slurry Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
-
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
- C04B28/141—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing dihydrated gypsum before the final hardening step, e.g. forming a dihydrated gypsum product followed by a de- and rehydration step
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Mold Materials And Core Materials (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7807807A SE426053C (sv) | 1978-07-13 | 1978-07-13 | Sett att framstella gipsprodukter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2430921A1 true FR2430921A1 (fr) | 1980-02-08 |
| FR2430921B1 FR2430921B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1984-12-21 |
Family
ID=20335446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7918086A Granted FR2430921A1 (fr) | 1978-07-13 | 1979-07-12 | Procede de fabrication d'articles en gypse |
Country Status (8)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT380005B (de) * | 1980-01-09 | 1986-03-25 | Tenax Maskin Ab | Verfahren zur herstellung von gipsprodukten |
| AU2020202788A1 (en) * | 2020-04-27 | 2021-11-11 | Pact Renewables Pty Ltd | Mineral-based composites |
| GB2611904A (en) * | 2020-06-25 | 2023-04-19 | Pact Renewables Pty Ltd | Degradable materials containing waste paper products |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE432542C (de) * | 1924-04-15 | 1926-08-09 | Morduch E Lewin | Verfahren zur Herstellung einer zementaehnlichen Masse |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3359146A (en) * | 1964-03-27 | 1967-12-19 | United States Gypsum Co | Method of producing gypsum articles having improved strength to density ratio |
| US3841886A (en) * | 1972-04-13 | 1974-10-15 | Motus Chem Inc | Refractory cement incorporating fluxing component |
| GB1371015A (en) * | 1972-05-15 | 1974-10-23 | Raytheon Co | Fabrication of foundry casting moulds and cores |
| JPS5313629A (en) * | 1976-07-23 | 1978-02-07 | Mitsubishi Mining & Cement Co | Gypsum series setting material production method |
| JPS53130723A (en) * | 1977-03-23 | 1978-11-15 | Mitsubishi Mining & Cement Co | Method of producing hardened body of gypsum reinforced with fiber |
| JPS53119918A (en) * | 1977-03-28 | 1978-10-19 | Chichibu Cement Kk | Light weight hardened body and its manufacture |
-
1978
- 1978-07-13 SE SE7807807A patent/SE426053C/sv not_active IP Right Cessation
-
1979
- 1979-07-12 JP JP50113979A patent/JPS55500522A/ja active Pending
- 1979-07-12 AU AU48879/79A patent/AU528999B2/en not_active Ceased
- 1979-07-12 CA CA000331682A patent/CA1135291A/en not_active Expired
- 1979-07-12 WO PCT/SE1979/000154 patent/WO1980000248A1/en unknown
- 1979-07-12 GB GB8005042A patent/GB2047675B/en not_active Expired
- 1979-07-12 FR FR7918086A patent/FR2430921A1/fr active Granted
-
1980
- 1980-03-12 DK DK105780A patent/DK105780A/da not_active Application Discontinuation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE432542C (de) * | 1924-04-15 | 1926-08-09 | Morduch E Lewin | Verfahren zur Herstellung einer zementaehnlichen Masse |
Also Published As
| Publication number | Publication date |
|---|---|
| SE7807807L (sv) | 1980-01-14 |
| DK105780A (da) | 1980-03-12 |
| SE426053B (sv) | 1982-12-06 |
| CA1135291A (en) | 1982-11-09 |
| AU4887979A (en) | 1980-01-17 |
| SE426053C (sv) | 1985-09-09 |
| GB2047675B (en) | 1984-02-29 |
| FR2430921B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1984-12-21 |
| AU528999B2 (en) | 1983-05-19 |
| GB2047675A (en) | 1980-12-03 |
| JPS55500522A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-08-14 |
| WO1980000248A1 (en) | 1980-02-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |