FI65224C - Foerfarande foer framstaellning av gipsskiva - Google Patents

Foerfarande foer framstaellning av gipsskiva Download PDF

Info

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
Application number
FI792761A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI65224B (fi
FI792761A (fi
Inventor
Eugene Edward O'neill
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
Publication of FI792761A publication Critical patent/FI792761A/fi
Application granted granted Critical
Publication of FI65224B publication Critical patent/FI65224B/fi
Publication of FI65224C publication Critical patent/FI65224C/fi

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)
FI792761A 1978-09-05 1979-09-05 Foerfarande foer framstaellning av gipsskiva FI65224C (fi)

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

Families Citing this family (8)

* 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
RU2009102816A (ru) 2006-06-29 2010-08-10 Йосино Джипсум Ко., Лтд. (Jp) Способы изготовления обожженного гипса и гипсовой плиты
WO2015185143A1 (en) * 2014-06-05 2015-12-10 Knauf Gips Kg Method for producing a gypsum plasterboard and the gypsum plasterboard obtained thereby
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)

* 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
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 (en) 1981-06-30
EP0008947B1 (en) 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 (no) 1991-08-07
EP0008947A1 (en) 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.