DE2962452D1 - Method of treating calcined gypsum and manufacture of gypsum board therefrom - Google Patents

Method of treating calcined gypsum and manufacture of gypsum board therefrom

Info

Publication number
DE2962452D1
DE2962452D1 DE7979301832T DE2962452T DE2962452D1 DE 2962452 D1 DE2962452 D1 DE 2962452D1 DE 7979301832 T DE7979301832 T DE 7979301832T DE 2962452 T DE2962452 T DE 2962452T DE 2962452 D1 DE2962452 D1 DE 2962452D1
Authority
DE
Germany
Prior art keywords
gypsum
manufacture
treating calcined
board therefrom
gypsum board
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
Application number
DE7979301832T
Other languages
German (de)
English (en)
Inventor
Eugene Edward O'neill
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
United States Gypsum Co
Original Assignee
United States Gypsum Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US05/939,624 external-priority patent/US4201595A/en
Application filed by United States Gypsum Co filed Critical United States Gypsum Co
Application granted granted Critical
Publication of DE2962452D1 publication Critical patent/DE2962452D1/de
Expired legal-status Critical Current

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)
DE7979301832T 1978-09-05 1979-09-05 Method of treating calcined gypsum and manufacture of gypsum board therefrom Expired DE2962452D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/939,624 US4201595A (en) 1977-03-14 1978-09-05 Process for preparing calcined gypsum and gypsum board

Publications (1)

Publication Number Publication Date
DE2962452D1 true DE2962452D1 (en) 1982-05-19

Family

ID=25473481

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7979301832T Expired DE2962452D1 (en) 1978-09-05 1979-09-05 Method of treating calcined gypsum and manufacture of gypsum board therefrom

Country Status (13)

Country Link
EP (1) EP0008947B1 (enEXAMPLES)
JP (1) JPS5537499A (enEXAMPLES)
AU (1) AU530867B2 (enEXAMPLES)
BR (1) BR7905689A (enEXAMPLES)
CA (1) CA1103890A (enEXAMPLES)
DE (1) DE2962452D1 (enEXAMPLES)
DK (1) DK369279A (enEXAMPLES)
ES (2) ES483963A1 (enEXAMPLES)
FI (1) FI65224C (enEXAMPLES)
IL (1) IL58206A (enEXAMPLES)
MX (1) MX152099A (enEXAMPLES)
NO (1) NO152439C (enEXAMPLES)
ZA (1) ZA794685B (enEXAMPLES)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
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 (en) 2003-12-19 2006-08-16 Lafarge Platres Method and apparatus for stabilizing plaster
CN101479209A (zh) 2006-06-29 2009-07-08 吉野石膏株式会社 熟石膏及石膏板的制造方法
CN113767000A (zh) * 2019-04-15 2021-12-07 吉野石膏株式会社 前处理用混合搅拌机、石膏浆料制造装置、建筑用面材制造装置、前处理熟石膏的制造方法、石膏浆料的制造方法、建筑用面材的制造方法
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
CA1103890A (en) 1981-06-30
FI65224B (fi) 1983-12-30
JPH0351665B2 (enEXAMPLES) 1991-08-07
NO792852L (no) 1980-03-06
DK369279A (da) 1980-03-06
JPS5537499A (en) 1980-03-15
AU5058579A (en) 1980-03-13
ES8102998A1 (es) 1981-02-16
ZA794685B (en) 1980-09-24
MX152099A (es) 1985-05-29
NO152439C (no) 1985-10-02
EP0008947A1 (en) 1980-03-19
ES490663A0 (es) 1981-02-16
ES483963A1 (es) 1980-09-01
NO152439B (no) 1985-06-24
EP0008947B1 (en) 1982-04-07
IL58206A (en) 1983-10-31
BR7905689A (pt) 1980-05-13
FI65224C (fi) 1984-04-10
FI792761A7 (fi) 1980-03-06
AU530867B2 (en) 1983-08-04

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee