WO1997031876A1 - Leichtbaustoff - Google Patents
Leichtbaustoff Download PDFInfo
- Publication number
- WO1997031876A1 WO1997031876A1 PCT/AT1997/000040 AT9700040W WO9731876A1 WO 1997031876 A1 WO1997031876 A1 WO 1997031876A1 AT 9700040 W AT9700040 W AT 9700040W WO 9731876 A1 WO9731876 A1 WO 9731876A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- gypsum
- added
- building material
- additives
- lightweight building
- Prior art date
Links
Classifications
-
- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/18—Waste materials; Refuse organic
- C04B18/24—Vegetable refuse, e.g. rice husks, maize-ear refuse; Cellulosic materials, e.g. paper, cork
-
- 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
- C04B16/00—Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B16/04—Macromolecular compounds
- C04B16/08—Macromolecular compounds porous, e.g. expanded polystyrene beads or microballoons
-
- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/18—Waste materials; Refuse organic
- C04B18/24—Vegetable refuse, e.g. rice husks, maize-ear refuse; Cellulosic materials, e.g. paper, cork
- C04B18/246—Vegetable refuse, e.g. rice husks, maize-ear refuse; Cellulosic materials, e.g. paper, cork expanded
-
- 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
- C04B20/12—Multiple coating or impregnating
-
- 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
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Definitions
- the invention relates to a lightweight building material comprising particulate additives, e.g. made of polystyrene foam, polyurethane foam, expanded corn or rice or the like, and a binder.
- particulate additives e.g. made of polystyrene foam, polyurethane foam, expanded corn or rice or the like, and a binder.
- cement-bound lightweight EPS concretes and polystyrene foam particles coated with cement paste are known.
- the cement required as a binder is required in very large quantities. Since cement consumes a comparatively large amount of energy for its production and is therefore also expensive, the known lightweight materials are disadvantageous in terms of costs and energy balance.
- the object of the invention is therefore to provide a lightweight building material which does not require a high expenditure of energy in its production, is easy to process and resource-friendly without further precautions.
- Another task is to provide a building biologically high-quality and good heat and sound-insulating lightweight material.
- the binder is formed from gypsum.
- gypsum as a waste product, fails in various technical processes and does not incur high costs, this material offers a better energy balance than conventional binder substances, such as cement.
- binder substances such as cement.
- the ability to bind with aggregates is excellent and gypsum also fully fulfills all essential building biological criteria.
- the particulate additives are heat-treated, in particular sintered.
- the mixing ability of the additives with the binder according to the invention can be greatly increased.
- Another object of the invention is to provide a method for producing a lightweight building material which can be carried out with little effort.
- this is achieved in that the particulate additives are coated with a gypsum stone shell and the resulting mixture is allowed to harden.
- the spaces between the coated particles need not be filled with binder, since the binder can already adhere sufficiently to the hard gypsum shells of the particles.
- the particulate additives are heat-treated before coating, which are alternately heated and cooled, preferably with a coolant.
- the resultant solidification of the additives improves the miscibility of the additives with the binder and reduces the moisture absorption of the particles sintered in this way.
- the surface of the particles is glazed, while the interior of the particle remains soft.
- a water spray or evaporating liquid nitrogen or carbon dioxide can be used as the coolant.
- the alternating, very strong cooling results in a particularly effective surface hardening of the additives.
- the particulate additives can be moistened with water in a mixing device, preferably a compulsory mixer, and gypsum powder can then be added to coat the additives.
- a mixing device preferably a compulsory mixer
- gypsum powder can then be added to coat the additives.
- the admixed gypsum powder adheres to the moistened additives and hardens a short time later.
- the aggregate beads thus formed have a thin plaster stone skin with a shell-like character. These can be filled into bags for further processing, for example.
- fibrous materials e.g. Plastic fibers are added, which greatly increases the elasticity of the lightweight building material.
- the aggregates can be bound by adding further binders, e.g. Gypsum porridge, moistened gypsum powder or similar can be achieved.
- further binders e.g. Gypsum porridge, moistened gypsum powder or similar can be achieved.
- a low-viscosity gypsum paste can be formed in a mixing device and the particulate additives can then be added, so that these are coated with the gypsum paste, whereupon dry gypsum powder is added.
- the residual moisture of the coated particles is bound by the dry gypsum powder and the remaining excess of powder serves as a separating agent between the coated particles.
- the resulting mixture can be placed in transport or storage containers, e.g. Bags are filled.
- transport or storage containers e.g. Bags are filled.
- gypsum powder can also be added to the mixture during filling into the transport or storage containers, the mixture poured into molds or formwork or otherwise being poured on slowly hardening solely through the ambient air humidity.
- the mixture can be introduced or applied in a space to be filled after transport or storage and then sprayed with a liquid, preferably water.
- additional additives such as expanded clay
- Pumice, brick chips or the like which are preferably stored beforehand in water, are mixed in. Before they were added, the additional additives had been stored in the water until they had absorbed a sufficient amount of water. This is then slowly released to the gypsum powder portion and provides the necessary water of crystallization for hardening, with the advantage that if the amount of additional additives added is properly coordinated, no residual moisture remains.
- Another object of the invention is to provide a wall plate which can be produced in a simple manner and can be processed with simple means.
- Another task is to create a wall panel with a low weight and good biological properties.
- Such a wall plate can be produced from the lightweight building material according to the invention.
- the wall plate on one or both sides with another plate e.g. a gypsum plasterboard, a cement-bound or gypsum-bound lightweight concrete slab is stuck on.
- a sandwich element formed in this way is particularly suitable for airborne sound insulation purposes and enables the formation of soundproofing partition walls.
- Another object of the invention is to provide a method for producing an impact sound insulation board, with which high impact sound insulation is possible with simple manufacture.
- Pressing reduces the thickness of the soft-pressed plate of this type, which allows very high sound insulation to be achieved.
- the lightweight building material can be pressed to 60% to 80% of its thickness, with particularly high sound insulation being achievable.
- gypsum which is obtained not only as a natural product but also as a waste product in technical processes, serves as a binder for a lightweight building material.
- EPS expanded polystyrene foam
- the procedure can now be such that EPS (polystyrene foam) particles or PU foam particles, or expanded corn, or expanded rice or the like, with a diameter of up to 12 mm, but also up to 30 mm grain size, are encased in a gypsum stone covering.
- EPS polystyrene foam
- PU foam particles expanded corn, or expanded rice or the like
- a diameter of up to 12 mm, but also up to 30 mm grain size are encased in a gypsum stone covering.
- additional binders e.g. Gypsum paste, gypsum powder, which is moistened.
- the gaps between the particles, ie the encased EPS particles need not be filled with binder, since the binder can already adhere sufficiently to the "armored" particle surfaces.
- EPS particles of any grain size are moistened with water in a compulsory mixer, then gypsum powder is added, which adheres to the moistened EPS particle surfaces and soon hardens. An amount of dry gypsum powder is added that is greater than the amount that is bound by the moisture.
- a low-viscosity gypsum paste is formed in the compulsory mixer. Then the amount of EPS particles is added and each EPS particle (any grain size) is coated with gypsum slurry (thickness up to 1-1.5 mm and more). Then dry gypsum powder is added so that it is partially bound by the residual moisture of the coated particles. The excess of the gypsum powder serves as a release agent.
- This grain product can also be used as a lightweight building material surcharge, after which it is also bound with gypsum binder to form a lightweight building material.
- Solidified EPS grains can now advantageously be used for both variants A) and B).
- the EPS grains are solidified by means of heat treatment - often up to 800 ° C over a few seconds - and alternating cooling.
- the EPS surfaces sinter and glaze, and are extremely surface-hardened by cooling every few seconds (water spray or evaporating liquid nitrogen or CO 7 ).
- Products A), B), and C) can now be used on their own as insulation granules for cavity dry insulation mass, or they are bound with gypsum paste on site, or molds are filled with it, also a gypsum paste ⁇ Binding of the moldings takes place.
- Example E The mass according to Example E) is sprayed on the surface after installation by means of moisture in order to bring about a more rapid hardening.
- Sack goods or silo goods are produced in accordance with one or more of the examples A to F mentioned above - they can also be mixed in the sack with gypsum dry powder and then on site with another sack content, which preferably consists of broken expanded clay, pumice, brick chippings , or the like, is to be mixed.
- Another sack content which preferably consists of broken expanded clay, pumice, brick chippings , or the like.
- the additional peculiarity is that these broken expanded clay particles or the like. previously stored in water until they have absorbed a desired maximum of water. This absorbed water is then, when these hard aggregates are added to the mixture - prepared according to one or more of the preceding examples - slowly released into the gypsum powder fraction and serves as crystal water. so that after correct adjustment of the amount of moist expanded clay chippings to be added, no residual moisture remains, and thus a dry construction method is possible.
- a mixture of EPS particles and cement powder coated with cement paste or cement paste can also be mixed on site with swellable expanded clay particles.
- cement paste or cement paste e.g. available as sacks under the trade name "Prottelith plus”
- Prottelith plus a mixture of EPS particles and cement powder coated with cement paste or cement paste, e.g. available as sacks under the trade name "Prottelith plus”
- an extremely good tool factor can be maintained, which also results in a higher compressive strength of the mass.
- Such soft-pressed panels made of gypsum-bound EPS panels or cement-bound EPS panels can be coated on one or both sides with gypsum plasterboard or the like. glued to serve as sandwich elements for soundproofed partition elements.
- Cement-bound EPS lightweight concrete panels or gypsum-bound EPS lightweight building boards can also be laminated onto the soft core panels on one or both sides, so that a sandwich element is created which is extremely airborne.
- a dry floor screed element with integrated impact sound insulation can also be obtained by producing plasterboard, gypsum fibreboard or EPS lightweight concrete panels or gypsum EPS lightweight panels glued on one side to squashed EPS concrete panels or gypsum EPS lightweight panels.
- a bag goods consisting of one of the variants described above can consist of gypsum powder and dry expanded clay granules or only of these latter parts, and the like with wet-soaked expanded clay particles. be mixed to effect a targeted water dosage for the added gypsum powder.
- the use of the aforementioned mixtures can serve as a heat-insulating level compensation on floor ceilings or as a filling for sloping ceilings for thermal insulation or as a general cavity filling.
- the material can also serve as a plate-shaped building aid for partition walls, impact sound insulation panels, sound absorption panels, etc. Raw densities of 0.2 to 0.7 kg per liter and above can be used advantageously. The fire resistance of the mass is also excellent.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Building Environments (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU17593/97A AU1759397A (en) | 1996-02-29 | 1997-02-28 | Light construction material |
DE19780146T DE19780146D2 (de) | 1996-02-29 | 1997-02-28 | Leichtbaustoff |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT38296 | 1996-02-29 | ||
ATA382/96 | 1996-02-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997031876A1 true WO1997031876A1 (de) | 1997-09-04 |
Family
ID=3489115
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AT1997/000040 WO1997031876A1 (de) | 1996-02-29 | 1997-02-28 | Leichtbaustoff |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU1759397A (de) |
DE (1) | DE19780146D2 (de) |
WO (1) | WO1997031876A1 (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29809236U1 (de) * | 1998-05-26 | 1999-10-07 | Blank Holding Gmbh & Co Beteil | Baustoffmischung |
GB2366853A (en) * | 2000-06-15 | 2002-03-20 | Neville Forster Atkinson | Expanded naturally occurring grains |
WO2004022503A1 (en) * | 2002-09-04 | 2004-03-18 | Purcrete Limited | Polyurethane-containing building materials |
DE102006062806B4 (de) * | 2006-12-11 | 2010-08-26 | Rajaei Hamid Ebrahimzadeh | Wand- oder Deckenkonstruktion |
CN117263642A (zh) * | 2023-11-21 | 2023-12-22 | 广州市泓景首饰铸造材料有限公司 | 一种首饰铸造石膏粉的制备方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL6607033A (de) * | 1966-05-23 | 1967-11-24 | ||
BE854767A (nl) * | 1977-05-18 | 1977-09-16 | Pennartz Ludo | Vulmiddel voor een beton-of gipsfabrikaat en fabrikaten waaraan deze vulmiddelen zijn toegevoegd |
WO1992010534A1 (de) * | 1989-11-23 | 1992-06-25 | Markus Stracke | Verfahren und vorrichtung für die gewinnung und behandlung von füllstoffen |
DE4300330A1 (de) * | 1992-01-09 | 1994-03-03 | Lothar Dipl Ing Kaden | Verfahren zur weitgehenden Reduzierung der Reifglätte oder der Spiegeleisbildung an Fahrbahnen im Straßenkreuzungsbereich oder im Bereich von Brücken |
DE4330929A1 (de) * | 1993-09-13 | 1995-03-16 | Mario Reinhold | Dämmaterial für den Innenausbau und Verfahren zu seiner Herstellung und Anwendung |
WO1995012558A1 (de) * | 1993-11-02 | 1995-05-11 | Wolfgang Stracke | Verfahren zum verbringen einer vorgemischten leichtbetonmasse |
DE19529714A1 (de) * | 1995-08-11 | 1996-04-18 | Horst Weis | Verfahren zur Herstellung von Leichtbauplatten aus nicht mehr verwendeten Polystyrolschaum-Formteilen |
JPH08268775A (ja) * | 1995-02-02 | 1996-10-15 | Kanegafuchi Chem Ind Co Ltd | 軽量コンクリートブロック及びその製造方法 |
-
1997
- 1997-02-28 DE DE19780146T patent/DE19780146D2/de not_active Expired - Lifetime
- 1997-02-28 WO PCT/AT1997/000040 patent/WO1997031876A1/de active Application Filing
- 1997-02-28 AU AU17593/97A patent/AU1759397A/en not_active Abandoned
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL6607033A (de) * | 1966-05-23 | 1967-11-24 | ||
BE854767A (nl) * | 1977-05-18 | 1977-09-16 | Pennartz Ludo | Vulmiddel voor een beton-of gipsfabrikaat en fabrikaten waaraan deze vulmiddelen zijn toegevoegd |
WO1992010534A1 (de) * | 1989-11-23 | 1992-06-25 | Markus Stracke | Verfahren und vorrichtung für die gewinnung und behandlung von füllstoffen |
DE4300330A1 (de) * | 1992-01-09 | 1994-03-03 | Lothar Dipl Ing Kaden | Verfahren zur weitgehenden Reduzierung der Reifglätte oder der Spiegeleisbildung an Fahrbahnen im Straßenkreuzungsbereich oder im Bereich von Brücken |
DE4330929A1 (de) * | 1993-09-13 | 1995-03-16 | Mario Reinhold | Dämmaterial für den Innenausbau und Verfahren zu seiner Herstellung und Anwendung |
WO1995012558A1 (de) * | 1993-11-02 | 1995-05-11 | Wolfgang Stracke | Verfahren zum verbringen einer vorgemischten leichtbetonmasse |
JPH08268775A (ja) * | 1995-02-02 | 1996-10-15 | Kanegafuchi Chem Ind Co Ltd | 軽量コンクリートブロック及びその製造方法 |
DE19529714A1 (de) * | 1995-08-11 | 1996-04-18 | Horst Weis | Verfahren zur Herstellung von Leichtbauplatten aus nicht mehr verwendeten Polystyrolschaum-Formteilen |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 097, no. 002 28 February 1997 (1997-02-28) * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29809236U1 (de) * | 1998-05-26 | 1999-10-07 | Blank Holding Gmbh & Co Beteil | Baustoffmischung |
GB2366853A (en) * | 2000-06-15 | 2002-03-20 | Neville Forster Atkinson | Expanded naturally occurring grains |
WO2004022503A1 (en) * | 2002-09-04 | 2004-03-18 | Purcrete Limited | Polyurethane-containing building materials |
DE102006062806B4 (de) * | 2006-12-11 | 2010-08-26 | Rajaei Hamid Ebrahimzadeh | Wand- oder Deckenkonstruktion |
CN117263642A (zh) * | 2023-11-21 | 2023-12-22 | 广州市泓景首饰铸造材料有限公司 | 一种首饰铸造石膏粉的制备方法 |
CN117263642B (zh) * | 2023-11-21 | 2024-02-02 | 广州市泓景首饰铸造材料有限公司 | 一种首饰铸造石膏粉的制备方法 |
Also Published As
Publication number | Publication date |
---|---|
DE19780146D2 (de) | 1999-11-25 |
AU1759397A (en) | 1997-09-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0019207B1 (de) | Verfahren zum Herstellen von Gipsbauteilen | |
EP0258734B1 (de) | Bauplatte im Schichtenaufbau und Verfahren zu ihrer Herstellung | |
CH703868B1 (de) | Baustoff und Bausystem-Element sowie Verfahren zur Herstellung derselben. | |
DE3533625C2 (de) | ||
EP0103195A1 (de) | Stoffgemisch mit zementgebundenem Fasermaterial und Verfahren zu dessen Herstellung und Verarbeitung | |
DE1927576A1 (de) | Als Baumaterial verwendbare Materialien,sowie Verfahren zu deren Herstellung | |
DE2549585B2 (de) | Leichtbauplatte | |
EP3109217A1 (de) | Stabile formkörper oder platten zur wärmedämmung und für den brandschutz, das verfahren zu ihrer herstellung und ihre verwendung sowie bauwerk daraus | |
WO1998049004A1 (de) | Feuerfester plattenverbund, ein verfahren zu dessen herstellung sowie dessen verwendung | |
WO1997031876A1 (de) | Leichtbaustoff | |
AT392962B (de) | Verfahren zur herstellung von leichten betonzuschlagstoffen aus recycling schaumstoff- material und die anwendung desselben zur erzielung ausserordentlicher betoneigenschaften | |
CH590798A5 (en) | Fire resistant, insulated mouldings for walls or doors - using expanded vermiculite and perlite bonded with water-glass or epoxy resin (OE 15.3.75) | |
WO1988005765A1 (en) | Process for producing lightweight concrete | |
DE2946540C2 (de) | Verfahren zum Aus- bzw. Hinterfüllen eines Bauteils | |
EP2891752A1 (de) | Formkörper aus einem Leichtwerkstoff sowie Verfahren zu dessen Herstellung und Verwendung | |
WO2012116379A1 (de) | Mineralische mehrschichtplatte und verfahren zur herstellung | |
EP3156383B1 (de) | Verfahren zur herstellung eines anorganischen schaumes | |
EP0751920A1 (de) | Verfahren zur herstellung eines leichtbaustoffes | |
DE19854884A1 (de) | Verfahren zum Herstellen eines wenigstens zweischichtigen Außenwandelements und dadurch hergestelltes Außenwandelement | |
DE2914647A1 (de) | Hohlblockstein mit integrierter waermedaemmschicht | |
WO1997006120A1 (de) | Verfahren zur schnellaushärtung von leichtbeton | |
AT401774B (de) | Verfahren zur herstellung von zuschlagstoffen für leichtbetone | |
DE2323659B2 (de) | Verfahren zur Herstellung von Schallabsorptionstafeln, -brettern, -platten oder anderen -formkörpern | |
CH473740A (de) | Zuschlagsmaterial für Beton und andere vergiessbare Massen sowie Verfahren zum Herstellen des Zuschlagmaterials | |
AT392963B (de) | Verfahren zur herstellung von leichtbetonstoffen und deren schnellhaertung |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AL AM AT AT AU AZ BA BB BG BR BY CA CH CN CU CZ CZ DE DE DK DK EE EE ES FI FI GB GE HU IL IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK SK TJ TM TR TT UA UG US UZ VN AM AZ BY KG KZ MD RU TJ TM |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GH KE LS MW SD SZ UG AT BE CH DE DK ES FI FR GB GR IE IT LU |
|
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
ENP | Entry into the national phase |
Ref document number: 1997 9022 Country of ref document: AT Date of ref document: 19970904 Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 19979022 Country of ref document: AT |
|
NENP | Non-entry into the national phase |
Ref document number: 97530458 Country of ref document: JP |
|
122 | Ep: pct application non-entry in european phase | ||
NENP | Non-entry into the national phase |
Ref country code: CA |
|
REF | Corresponds to |
Ref document number: 19780146 Country of ref document: DE Date of ref document: 19991125 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 19780146 Country of ref document: DE |