FI65224C - Foerfarande foer framstaellning av gipsskiva - Google Patents
Foerfarande foer framstaellning av gipsskiva Download PDFInfo
- Publication number
- FI65224C FI65224C FI792761A FI792761A FI65224C FI 65224 C FI65224 C FI 65224C FI 792761 A FI792761 A FI 792761A FI 792761 A FI792761 A FI 792761A FI 65224 C FI65224 C FI 65224C
- Authority
- FI
- Finland
- Prior art keywords
- water
- gypsum
- surface area
- calcium sulphate
- strength
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/102—Glass compositions containing silica with 40% to 90% silica, by weight containing lead
-
- 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
- C04B11/00—Calcium sulfate cements
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Geochemistry & Mineralogy (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US93962478 | 1978-09-05 | ||
| US05/939,624 US4201595A (en) | 1977-03-14 | 1978-09-05 | Process for preparing calcined gypsum and gypsum board |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI792761A FI792761A (fi) | 1980-03-06 |
| FI65224B FI65224B (fi) | 1983-12-30 |
| FI65224C true FI65224C (fi) | 1984-04-10 |
Family
ID=25473481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI792761A FI65224C (fi) | 1978-09-05 | 1979-09-05 | Foerfarande foer framstaellning av gipsskiva |
Country Status (13)
| Country | Link |
|---|---|
| EP (1) | EP0008947B1 (fr) |
| JP (1) | JPS5537499A (fr) |
| AU (1) | AU530867B2 (fr) |
| BR (1) | BR7905689A (fr) |
| CA (1) | CA1103890A (fr) |
| DE (1) | DE2962452D1 (fr) |
| DK (1) | DK369279A (fr) |
| ES (2) | ES483963A1 (fr) |
| FI (1) | FI65224C (fr) |
| IL (1) | IL58206A (fr) |
| MX (1) | MX152099A (fr) |
| NO (1) | NO152439C (fr) |
| ZA (1) | ZA794685B (fr) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2904071B1 (de) * | 1979-02-03 | 1980-07-24 | Knauf Westdeutsche Gips | Verfahren zur Herstellung eines Anhydrit-Gipsgemisches aus feinteiligem synthetischen Anhydrit |
| DE2908266C2 (de) * | 1979-03-02 | 1986-01-09 | Gebr. Knauf Westdeutsche Gipswerke, 8715 Iphofen | Verfahren zur Herstellung eines Calciumsulfat-Halbhydrat-Dihydrat-Gemisches aus feinteiligem synthetischen Calciumsulfat-Halbhydrat |
| DE3818992A1 (de) * | 1988-06-03 | 1989-12-14 | Rigips Gmbh | Verfahren zur herstellung eines fuer die produktion von gipskartonplatten geeigneten stuckgipses aus rea-gips |
| EP1547984B1 (fr) | 2003-12-19 | 2006-08-16 | Lafarge Platres | Procédé et dispositif pour la consolidation du plâtre |
| RU2009102816A (ru) | 2006-06-29 | 2010-08-10 | Йосино Джипсум Ко., Лтд. (Jp) | Способы изготовления обожженного гипса и гипсовой плиты |
| WO2015185143A1 (fr) * | 2014-06-05 | 2015-12-10 | Knauf Gips Kg | Procédé de production d'une plaque de plâtre et plaque de plâtre ainsi obtenue |
| AU2020258178B2 (en) * | 2019-04-15 | 2022-10-20 | Yoshino Gypsum Co., Ltd. | Pretreatment mixing stirrer, gypsum slurry manufacturing device, construction surface material manufacturing device, pretreatment calcined gypsum manufacturing method, gypsum slurry manufacturing method, construction surface material manufacturing method |
| CN110436804B (zh) * | 2019-07-26 | 2021-08-06 | 宁波北新建材有限公司 | 一种球磨过程中改善熟料相组成的装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3480387A (en) * | 1966-11-15 | 1969-11-25 | Central Glass Co Ltd | Method for producing gypsum pellets |
| DE1771625B2 (de) * | 1968-06-19 | 1977-02-17 | United States Gypsum Co., Chicago, 111. (V.St.A.) | Verfahren zum altern von gebranntem, beta-calciumsulfathemihydrat enthaltendem gips |
| BE756667A (nl) * | 1969-09-26 | 1971-03-01 | Geelen Hendrik E Van | Werkwijze voor het bereiden van alpha-calciumsulfaathalfhydraat |
| DE2115808C3 (de) * | 1971-04-01 | 1978-03-16 | Giulin Chemie Gmbh, 6700 Ludwigshafen | Verfahren zur Herstellung von feindispers vermahlenem a-Calciumsulfat- Halbhydrat |
| US4117070A (en) * | 1977-03-14 | 1978-09-26 | United States Gypsum Company | Process for preparing calcined gypsum |
-
1979
- 1979-09-04 DK DK369279A patent/DK369279A/da not_active Application Discontinuation
- 1979-09-04 BR BR7905689A patent/BR7905689A/pt unknown
- 1979-09-04 NO NO792852A patent/NO152439C/no unknown
- 1979-09-05 EP EP79301832A patent/EP0008947B1/fr not_active Expired
- 1979-09-05 AU AU50585/79A patent/AU530867B2/en not_active Expired
- 1979-09-05 JP JP11404779A patent/JPS5537499A/ja active Granted
- 1979-09-05 DE DE7979301832T patent/DE2962452D1/de not_active Expired
- 1979-09-05 MX MX179177A patent/MX152099A/es unknown
- 1979-09-05 CA CA335,064A patent/CA1103890A/fr not_active Expired
- 1979-09-05 FI FI792761A patent/FI65224C/fi not_active IP Right Cessation
- 1979-09-05 ZA ZA00794685A patent/ZA794685B/xx unknown
- 1979-09-05 ES ES483963A patent/ES483963A1/es not_active Expired
- 1979-09-10 IL IL58206A patent/IL58206A/xx unknown
-
1980
- 1980-04-17 ES ES490663A patent/ES490663A0/es active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| NO152439C (no) | 1985-10-02 |
| ES8102998A1 (es) | 1981-02-16 |
| FI65224B (fi) | 1983-12-30 |
| NO792852L (no) | 1980-03-06 |
| IL58206A (en) | 1983-10-31 |
| ES490663A0 (es) | 1981-02-16 |
| ES483963A1 (es) | 1980-09-01 |
| CA1103890A (fr) | 1981-06-30 |
| EP0008947B1 (fr) | 1982-04-07 |
| DE2962452D1 (en) | 1982-05-19 |
| ZA794685B (en) | 1980-09-24 |
| MX152099A (es) | 1985-05-29 |
| FI792761A (fi) | 1980-03-06 |
| AU5058579A (en) | 1980-03-13 |
| AU530867B2 (en) | 1983-08-04 |
| DK369279A (da) | 1980-03-06 |
| NO152439B (no) | 1985-06-24 |
| JPH0351665B2 (fr) | 1991-08-07 |
| EP0008947A1 (fr) | 1980-03-19 |
| BR7905689A (pt) | 1980-05-13 |
| JPS5537499A (en) | 1980-03-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed |
Owner name: UNITED STATES GYPSUM CO. |