IE41944B1 - Apparatus for making gypsum articles form calcium sulphate -semihydrate - Google Patents

Apparatus for making gypsum articles form calcium sulphate -semihydrate

Info

Publication number: IE41944B1
Authority: IE; Ireland
Prior art keywords: centrifuge; semihydrate; receptacle; suspension; calcium sulphate
Prior art date: 1974-11-22

Application number

IE2533/75A

Other languages

English (en)

Other versions

IE41944L (en

Original Assignee

Hoechst Ag

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.)

1974-11-22

Filing date

1975-11-21

Publication date

1980-05-07

1974-11-22 Priority claimed from DE19742455312 external-priority patent/DE2455312C2/de

1975-11-21 Application filed by Hoechst Ag filed Critical Hoechst Ag

1976-05-22 Publication of IE41944L publication Critical patent/IE41944L/xx

1980-05-07 Publication of IE41944B1 publication Critical patent/IE41944B1/en

Links

OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 title claims abstract description 69
235000011132 calcium sulphate Nutrition 0.000 title claims abstract description 34
239000001175 calcium sulphate Substances 0.000 title claims abstract description 34
229910052602 gypsum Inorganic materials 0.000 title claims abstract description 10
239000010440 gypsum Substances 0.000 title claims abstract description 10
239000000725 suspension Substances 0.000 claims abstract description 23
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
230000002093 peripheral effect Effects 0.000 claims abstract description 5
238000000034 method Methods 0.000 claims description 4
230000009969 flowable effect Effects 0.000 abstract description 4
239000000463 material Substances 0.000 description 14
238000013019 agitation Methods 0.000 description 3
239000007787 solid Substances 0.000 description 3
230000015572 biosynthetic process Effects 0.000 description 2
239000006227 byproduct Substances 0.000 description 2
238000005266 casting Methods 0.000 description 2
239000013505 freshwater Substances 0.000 description 2
239000012452 mother liquor Substances 0.000 description 2
239000002699 waste material Substances 0.000 description 2
239000003082 abrasive agent Substances 0.000 description 1
239000007900 aqueous suspension Substances 0.000 description 1
230000009286 beneficial effect Effects 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
238000010276 construction Methods 0.000 description 1
239000000356 contaminant Substances 0.000 description 1
239000013078 crystal Substances 0.000 description 1
238000007599 discharging Methods 0.000 description 1
230000008030 elimination Effects 0.000 description 1
238000003379 elimination reaction Methods 0.000 description 1
238000001914 filtration Methods 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
230000001771 impaired effect Effects 0.000 description 1
238000009434 installation Methods 0.000 description 1
230000001788 irregular Effects 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
239000002245 particle Substances 0.000 description 1
230000000717 retained effect Effects 0.000 description 1
238000000926 separation method Methods 0.000 description 1
239000000126 substance Substances 0.000 description 1
230000009974 thixotropic effect Effects 0.000 description 1
230000001131 transforming effect Effects 0.000 description 1
230000007704 transition Effects 0.000 description 1
238000011144 upstream manufacturing Methods 0.000 description 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
- B28B13/0215—Feeding the moulding material in measured quantities from a container or silo
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Ceramic Engineering (AREA)
Mechanical Engineering (AREA)
Manufacturing & Machinery (AREA)
Centrifugal Separators (AREA)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

IE2533/75A 1974-11-22 1975-11-21 Apparatus for making gypsum articles form calcium sulphate -semihydrate IE41944B1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19742455312 DE2455312C2 (de)		1974-11-22	Vorrichtung zur Herstellung von Gipsformteilen aus Calciumsulfat-alpha-Halbhydrat

Publications (2)

Publication Number	Publication Date
IE41944L IE41944L (en)	1976-05-22
IE41944B1 true IE41944B1 (en)	1980-05-07

Family

ID=5931483

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IE2533/75A IE41944B1 (en)	1974-11-22	1975-11-21	Apparatus for making gypsum articles form calcium sulphate -semihydrate

Country Status (13)

Country	Link
AT (1)	AT344576B (de)
BE (1)	BE835710A (de)
BR (1)	BR7507550A (de)
CH (1)	CH605072A5 (de)
DK (1)	DK141575C (de)
FR (1)	FR2291837A1 (de)
GB (1)	GB1482336A (de)
IE (1)	IE41944B1 (de)
LU (1)	LU73837A1 (de)
NL (1)	NL173250C (de)
PL (1)	PL105322B1 (de)
SE (1)	SE401639B (de)
SU (1)	SU921460A3 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20250084005A1 (en) *	2023-04-20	2025-03-13	Obshchestvo S Ogranichennoi Otvetstvennostiu "Amatec"	A method for making a water/gypsum mixture

1975
- 1975-10-10 GB GB41614/75A patent/GB1482336A/en not_active Expired
- 1975-10-27 CH CH1389175A patent/CH605072A5/xx not_active IP Right Cessation
- 1975-11-12 SE SE7512705A patent/SE401639B/xx unknown
- 1975-11-13 SU SU752189609A patent/SU921460A3/ru active
- 1975-11-14 BR BR7507550*A patent/BR7507550A/pt unknown
- 1975-11-19 BE BE161985A patent/BE835710A/xx not_active IP Right Cessation
- 1975-11-19 NL NLAANVRAGE7513519,A patent/NL173250C/xx not_active IP Right Cessation
- 1975-11-20 PL PL1975184881A patent/PL105322B1/pl unknown
- 1975-11-20 AT AT882775A patent/AT344576B/de active
- 1975-11-20 LU LU73837A patent/LU73837A1/xx unknown
- 1975-11-21 IE IE2533/75A patent/IE41944B1/en unknown
- 1975-11-21 DK DK525275A patent/DK141575C/da active
- 1975-11-21 FR FR7535718A patent/FR2291837A1/fr active Granted

Also Published As

Publication number	Publication date
BR7507550A (pt)	1976-08-10
GB1482336A (en)	1977-08-10
AT344576B (de)	1978-07-25
DK141575C (da)	1980-09-15
LU73837A1 (de)	1976-09-06
NL173250B (nl)	1983-08-01
DK525275A (da)	1976-05-23
SE7512705L (sv)	1976-05-24
DK141575B (da)	1980-04-28
NL173250C (nl)	1984-01-02
SU921460A3 (ru)	1982-04-15
SE401639B (sv)	1978-05-22
FR2291837B1 (de)	1982-10-01
BE835710A (fr)	1976-05-19
IE41944L (en)	1976-05-22
FR2291837A1 (fr)	1976-06-18
ATA882775A (de)	1977-11-15
NL7513519A (nl)	1976-05-25
DE2455312B1 (de)	1976-01-29
CH605072A5 (de)	1978-09-29
PL105322B1 (pl)	1979-10-31

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