DE2808723A1 - BUILDING PLATE MADE OF PLASTER WITH A COATING OF GLASS FIBER - Google Patents
BUILDING PLATE MADE OF PLASTER WITH A COATING OF GLASS FIBERInfo
- Publication number
- DE2808723A1 DE2808723A1 DE19782808723 DE2808723A DE2808723A1 DE 2808723 A1 DE2808723 A1 DE 2808723A1 DE 19782808723 DE19782808723 DE 19782808723 DE 2808723 A DE2808723 A DE 2808723A DE 2808723 A1 DE2808723 A1 DE 2808723A1
- Authority
- DE
- Germany
- Prior art keywords
- plaster
- glass fiber
- fabric
- scrim
- fleece
- 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.)
- Ceased
Links
- 239000011505 plaster Substances 0.000 title claims description 8
- 239000011248 coating agent Substances 0.000 title claims description 4
- 238000000576 coating method Methods 0.000 title claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 36
- 229910052602 gypsum Inorganic materials 0.000 claims description 23
- 239000010440 gypsum Substances 0.000 claims description 23
- 239000004744 fabric Substances 0.000 claims description 22
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 claims description 16
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Inorganic materials [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 15
- 239000011507 gypsum plaster Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 14
- 239000002002 slurry Substances 0.000 claims description 9
- 239000000080 wetting agent Substances 0.000 claims description 8
- 238000005253 cladding Methods 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 10
- 239000011152 fibreglass Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000011148 porous material Substances 0.000 description 6
- 230000009969 flowable effect Effects 0.000 description 5
- 239000011521 glass Substances 0.000 description 4
- 239000000123 paper Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 1
- 239000012814 acoustic material Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/14—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/022—Non-woven fabric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/10—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer characterised by a fibrous or filamentary layer reinforced with filaments
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
- E04C2/043—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of plaster
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2305/00—Condition, form or state of the layers or laminate
- B32B2305/10—Fibres of continuous length
- B32B2305/18—Fabrics, textiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2305/00—Condition, form or state of the layers or laminate
- B32B2305/38—Meshes, lattices or nets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/72—Density
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2315/00—Other materials containing non-metallic inorganic compounds not provided for in groups B32B2311/00 - B32B2313/04
- B32B2315/18—Plaster
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2419/00—Buildings or parts thereof
Description
Die Erfindung betrifft eine Bauplatte unter Verwendung von Gips mit einer Ummantelung aus Glasfasern.The invention relates to a building board using plaster of paris with a sheath made of glass fibers.
Bauplatten aus Gips sind in den unterschiedlichsten Ausführungen bekannt. Am weitesten verbreitet und auch am bekanntesten sind Bauplatten aus Gips mit einer Kartonummantelung, die unter der Bezeichnug Gipskartonplatten wegen ihrer zahlreichen Vorteile eine Verbreitung im Baugewerbe gefunden haben. Diese Gipskartonplatten werden meistens in Abmessungen von 2,50 m zu 1,25 m in unterschiedlichen Dicken hergestellt. Am verbreitetsten sind solche Platten zur Verwendung als Beplankungen für Trennwände in der Form von Montagewänden, in denen zwischen den Geschossen aus Ständern,Gypsum building boards are known in a wide variety of designs. Most widespread and also on best known are building boards made of plaster of paris with a cardboard casing, which are known as plasterboard their many advantages have found widespread use in the construction industry. These plasterboard are mostly used in Dimensions from 2.50 m to 1.25 m in different thicknesses manufactured. The most common are such panels for use as paneling for partition walls in the form of assembly walls, in which between the floors of stands,
WR/SiWR / Si
90983Θ/020590983Θ / 0205
-2--2-
Schwelle und Rahm Gerüste aufgebaut werden, die beidseitig mit solchen Gipskartonplatten bekleidet werden. Der Zwischenraum zwischen diesen Platten ist meistens mit einem schall- und wärmedämmenden Material ausgefüllt.Threshold and cream scaffolding are built on both sides be clad with such plasterboard. The space between these plates is usually covered with an acoustic and insulating material.
Diese Gipskartonplatten werden auch deswegen besonders umfangreich eingesetzt, weil sie eine Feuerschutzwirkung haben. Eine Gipskartonplatte enthält ja wegen der zwei Moleküle Wasser im Kristall eine erhebliche Wassermenge, die bei der Einwirkung höherer Temperatur auf die Platte nach und nach freigesetzt wird und so einen Anstieg der Temperatur der Platte so lange verhindert, solange noch Wasser aus der Platte verdampft.This plasterboard is also used particularly extensively because it has a fire protection effect. Because of the two molecules of water in the crystal, a plasterboard panel contains a considerable amount of water, which when exposed to it higher temperature on the plate is gradually released and so an increase in the temperature of the plate so long prevented as long as water is still evaporating from the plate.
Der Nachteil dieser Gipskartonplatte ist lediglich der, daß der Kartonmantel brennbar ist.The only disadvantage of this plasterboard is that the cardboard jacket is flammable.
Es hatte daher nicht an Versuchen gefehlt, diesen brennbaren Kartonmantel durch einen nicht brennbaren Mantel zu ersetzen. Es lag nahe, statt des brennbaren Kartonmantels, also eines Mantels aus organischem Material, einen solchen aus einem anorganischen Material zu benutzen, und so wurden verschiedene Vorschläge gemacht, Glasgewebe und Glasvliese zur Ummantelung solcher Gipsplatten statt des Kartons zu verwenden.There was therefore no lack of attempts to replace this flammable cardboard jacket with a non-flammable jacket. It was obvious that instead of the flammable cardboard jacket, i.e. a jacket made of organic material, one should use one to use an inorganic material, and so various proposals have been made to use glass cloth and glass fleece To use sheathing of such plasterboard instead of cardboard.
Gipskartonplatten werden bekanntlich auf einer Maschine hergestellt, der zunächst der Vorderseitenkarton auf einem sich fortbewegenden endlosen Transportband zugeführt wird, wobei die Ränder des Kartons hochgebogen werden, so daß eine Rinne entsteht, in die fließfähiger Gipsbrei gegeben wird.Plasterboard is known to be produced on a machine that initially puts the front board on a advancing endless conveyor belt is fed, wherein the edges of the carton are bent up, so that a A channel is created into which the pourable plaster of paris is poured.
-3--3-
909836/0205909836/0205
Sodann wird der Rückseitenkarton zugeführt und das Ganze zwischen Formwalzen hindurchbewegt, wodurch das Produkt schließlich seine Form erhält, der Gips zu erstarren beginnt und die Ränder des Ahsichtsseitenkartons umgefaltet werden, worauf der Rückseitenkarton darauf festgeklebt wird.The backing board is then fed in and the whole is moved between forming rollers, whereby the product is finally produced receives its shape, the plaster of paris begins to solidify and the edges of the side cardboard are folded over, whereupon the back of the cardboard is glued to it.
Was lag also näher, als diese wohlbekannte Maschine auch zur Herstellung solcher Bauplatten zu verwenden, deren Gipskern mit einem glasfaserhaltigen Produkt ummantelt wird.So what could be more natural than to use this well-known machine for the production of such building boards, theirs Gypsum core is coated with a fiberglass-containing product.
Hierbei ergab sich allerdings der Nachteil, daß Glasfasergewebe und Glasfaservlies zur Ummantelung des plastischen Gipskerns in dieser Art nicht brauchbar waren, weil sie nur eine geringe Formstabilität aufweisen, so daß auf diesen bahnförmigen, glasfaserigen Stoff keine großen Zugkräfte übertragen werden konnten. Man hätte diese Nachteile dadurch beseitigen können, daß man sowohl die Gewebe als auch das Vlies dicker und kräftiger ausbildete, jedoch sind sie dann wesentlich ungeeigneter, sich mit dem Gips zu verbinden und außerdem verbietet sich diese Materialsteigerung auch aus wirtschaftlichen Gründen. Ein weiterer Nachteil ist der, daß bei einem zu offenmaschigen Gewebe oder einem zu großporigen Vlies der fließfähige Gipsbrei durch diese Maschen und Poren beim Formvorgang der Platte hindurchgequetscht wird, so daß eine erhebliche Verschmutzung der Maschine und der Fördereinrichtungen eintritt, so daß über|kurz oder lang die Maschine unbrauchbar wird und wieder gereinigt werden muß, weil derHowever, this resulted in the disadvantage that glass fiber fabric and glass fiber fleece for sheathing the plastic gypsum core in this way were not useful because they have only a low dimensional stability, so that on this sheet-like, fiberglass fabric does not have any great tensile forces could be transferred. One could have eliminated these disadvantages by having both the fabrics and the fleece formed thicker and stronger, but they are then much less suitable to bond with the plaster of paris and this increase in material is also prohibited for economic reasons. Another disadvantage is that if the mesh is too open or the pores are too large Fleece, the flowable gypsum slurry is squeezed through these meshes and pores during the molding process of the plate, so that the machine and the conveying devices become considerably soiled, so that sooner or later the machine becomes unusable and has to be cleaned again because of the
9Θ9838/020Ι9Θ9838 / 020Ι
* 28Q8723 * 28Q8723
herausgequetschte Gipsbrei erstarrt und hart wird. Das führt auch zu wirtschaftlich nicht tragbaren Ausfallzeiten.Squeezed out plaster of paris solidifies and hardens. This also leads to downtimes that are not economically viable.
Es ist daher auch bekannt, solche gipsdurchlässigen Glasfasergewebe und/oder Vliesbahnen einseitig mit einer Papierbahn derart zu beschichten, daß die Papierbahn einmal den Durchtritt des fließfähigen Materials verhindert, zum anderen zusätzliche Krafteinwirkungen ermöglicht und drittens noch nach Fertigstellung des Produktes abziehbar ist, so daß der Mantel der Gipsbauplatte frei von brennbaren Stoffen ist.It is therefore also known to have such gypsum-permeable glass fiber fabrics and / or nonwoven webs on one side with a paper web to be coated in such a way that the paper web on the one hand prevents the flowable material from passing through, and on the other hand allows additional forces and, thirdly, is still removable after completion of the product, so that the cladding of the plasterboard is free of flammable substances.
Dieses Verfahren hatte sich aber ebenfalls nicht durchsetzen können, weil ein solcher Ummantelungsstoff nicht nur aufwendig in der Herstellung und damit teuer ist, sondern auch eine zusätzliche Verarbeitungsstufe erfordert, nämlich hinsichtlich des Abziehens, wobei durchaus die Gefahr besteht, daß das aufgebrachte Glasvlies zumindest stellenweise oder punktförmig von dem Gipskern abgerissen wird. Es hatte sich nämlich gezeigt, daß die Haftung oder die Verbindung des Gipsbreies bzw. der Gipskristalle mit der glatten Glasfaseroberfläche nicht immer einwandfrei ist, und zwar aufgrund der Unterschiede im Material, nämlich Kalziumsulfatdihydrat einerseits und Kieselsäure andererseits.However, this process had not been able to prevail either, because such a sheathing material was not only used is complex to manufacture and therefore expensive, but also requires an additional processing stage, namely with regard to peeling off, with the risk that the applied glass fleece at least in places or is torn off from the gypsum core at a point. It had been shown that the liability or connection of the Plaster of paris or the plaster of paris crystals with the smooth glass fiber surface is not always flawless, due to the differences in the material, namely calcium sulfate dihydrate on the one hand and silica on the other.
Aufgabe der vorliegenden Erfindung ist es daher, eine Bauplatte der eingangs beschriebenen Art zu schaffen, die mit einem nicht brennbaren, aus Glasfasern bestehenden Material ummantelt ist, das sich gut auf einer bekannten Gipskar-The object of the present invention is therefore to create a building board of the type described at the outset which is sheathed with a non-flammable material made of fiberglass, which is well suited to a well-known plasterboard
909836/0205909836/0205
- js -- js -
tonplattenherstellungsmaschine verarbeiten läßt, das ferner die erforderlichen Festigkeiten besitzt, sich völlig und fehlerfrei mit dem Gips verbindet und das keinen brennbaren Stoff enthält.Can be processed clay plate manufacturing machine, which also has the necessary strengths, completely and error-free with the plaster of paris and that does not contain any flammable material.
Gelöst wird diese Aufgabe dadurch, daß die Gipsbauplatte allseitig in der Art der an sich bekannten Gipskartonplatte mit einem bahnförmigen Material ummantelt ist, das aus einem Glasfasergelege oder -gewebe mit einem darauf durchgebildeten Glasfaservlies besteht, derart, daß das Gelege oder Gewebe und das Vlies miteinander eine Einheit bilden, und daß die Gelege- oder Gewebeschicht der Gipsoberfläche zugekehrt ist.This object is achieved in that the plasterboard is on all sides in the manner of the plasterboard which is known per se is encased in a web-like material, which is made of a glass fiber fabric or fabric with a glass fiber fleece formed on it exists, such that the scrim or fabric and the fleece form a unit with one another, and that the scrim or Tissue layer facing the plaster surface.
Vorzugsweise ist die Vliesschicht der Schichten aus Gewebe oder Gelege und Vlies mit unterschiedlicher Dichte ausgeführt, nämlich mit einer geringeren Dichte auf der dem Gelege oder Gewebe zugekehrten Seite und einer größeren Dichte auf der Außenseite, so daß also zunächst der Gipsoberfläche zugekehrt relativ große Poren vorhanden sind, die dann zur äußeren Oberfläche des Vlieses hin in ihrer Größe nach und nach abnehmen, so daß schließlich nur noch feine Poren überbleiben, die lediglich deshalb vorhanden sind, damit beim Trocknen der Gipsplatte der Wasserdampf durch diese Poren entweichen kann.Preferably, the non-woven layer of the layers of woven fabric or scrim and non-woven fabric is designed with different densities, namely with a lower density on the side facing the scrim or fabric and a greater density on the Outside, so that initially facing the plaster surface there are relatively large pores which then face the outer surface of the fleece gradually decrease in size, so that finally only fine pores remain, which are only are therefore present so that the water vapor can escape through these pores when the plasterboard dries.
In Verfolg des Erfindungsgedankens können die einzelnen Glasfasern des Geleges oder Gewebes als auch des Vlieses oberflächlich behandelt, beispielsweise angerauht sein, aber auch mit einem Netzmittel besprüht sein, so daß eine schnellere und innigere Benetzung der Glasfasern durch den fließ-In pursuance of the concept of the invention, the individual Glass fibers of the scrim or fabric as well as the nonwoven surface treated, for example roughened, but also be sprayed with a wetting agent, so that a faster and more intimate wetting of the glass fibers by the flowing
909836/0205909836/0205
fähigen, wasserhaltigen Gipsbrei, der ja ein Brei aus d^- und/ oder ß-Halbhydrat ist und nur der Einfachheit halber als Gipsbrei bezeichnet wird, stattfindet. Das Behandeln der Gelegeoder Gewebeseite des ümmantelungsproduktes mit einem Netzmittel kann in einem vorangehenden Arbeitsgang, aber auch kurz vor der Aufbringung dieser Glasfaserkombination auf den Gipskern erfolgen, beispielsweise dadurch, daß die dem Gipskern zugekehrte Seite mit dem Netzmittel besprüht oder befeuchtet wird, indem es mit dem Netzmittel beschichtet wird.capable, water-containing gypsum paste, which is a paste of d ^ - and / or ß-hemihydrate and is only referred to as gypsum paste for the sake of simplicity, takes place. The treatment of the scrim or fabric side of the Ummantelungsproduktes with a wetting agent can be done in a previous operation, but also shortly before the application of this glass fiber combination to the plaster of paris core, for example by spraying or moistening the side facing the plaster of paris with the wetting agent Wetting agent is coated.
Die Verarbeitung des Glasfasermaterials zur erfindungsgemäßen Ummantelung der Gipsplatte erfolgt wie die bekannte Verarbeitung der Zellulosekartons bei der Herstellung von Gipskartonplatten. Auch der Gipsbrei wird im wesentlichen in ein und derselben Art wie bei der Herstellung der Gipskartonplatten angemacht. Die Befestigung der Ränder des ummantelnden Glasfasermaterials auf der entsprechenden anderen Bahn erfolgt durch Verwendung geeigneter anorganischer oder organischer Kleber im üblichen Leimscheibenauftrag oder durch Verwendung von Gipsbrei im Schmelzklebstoff-Auftragsverfahren, je nach Art und Verwendungszweck der herzustellenden Platten, oder durch mechanische Verkrallung.The processing of the glass fiber material for the cladding of the plasterboard according to the invention is carried out in the same way as known Processing of cellulose cardboard in the manufacture of plasterboard. The gypsum slurry is also essentially dressed in the same way as when the plasterboard was made. Fixing the edges of the sheathing Glass fiber material on the corresponding other web is made by using suitable inorganic or organic adhesive in the usual glue disc application or by using gypsum paste in the hot melt adhesive application process, depending on the type and purpose of the panels to be produced, or by mechanical clawing.
Die erfindungsgemäße Platte besitzt alle Vorteile der an sich bekannten Gipskartonplatte und darüber hinaus noch den zusätzlichen Vorteil der Nichtbrennbarkeit, wobei die Ansichtsseite dieser Platte eine derart glatte und architek-The plate according to the invention has all the advantages of per se known plasterboard and, moreover, the additional advantage of non-combustibility, with the Side of this panel such a smooth and architecturally
909836/0205909836/0205
28Q87 2328Q87 23
tonisch ansprechende Oberfläche besitzt, die, falls gewünscht, auch gefärbt sein kann, die dann keiner weiteren Bearbeitung oder Beschichtung bedarf. Ferner noch kann diese Glasfaseroberfläche gegebenenfalls nach Aufbringung einer Primer-Schicht mit zusätzlichen Materialien beschichtet werden.Has a tonic-appealing surface, which, if desired, can also be colored, which then does not require any further processing or coating is required. Furthermore, this glass fiber surface can optionally after application of a primer layer be coated with additional materials.
Die Erfindung wird nunmehr anhand eines Schnittes im vergrößerten Maßstab durch eine solche erfindungsgemäße Platte näher erläutert, wobei die Ummantelung aus einer Kombination von Gelege und Vlies besteht.The invention will now be illustrated by means of a section on an enlarged scale through such a plate according to the invention explained in more detail, the sheathing consisting of a combination of scrim and fleece.
In dieser Schnittdarstellung bezeichnet das Bezugszeichen 1 den Gipskern, das Bezugszeichen 2 die in der Ebene des Blattes der Zeichnung verlaufenden Glasfaserstränge des Glasfasergeleges, 3 senkrecht zur Papierebene laufende Stränge des Glasfasergeleges und 4 das Glasfaservlies.In this sectional view, the reference number 1 denotes the plaster core, the reference number 2 that in the plane of the sheet the drawing running glass fiber strands of the glass fiber fabric, 3 strands of the glass fiber fabric running perpendicular to the plane of the paper and 4 the glass fiber fleece.
Aus der Zeichnung ist zu erkennen, daß das Vlies und das Gelege eine Einheit bilden, indem die Fasern des Vlieses den Glasfaserstrang 3 des Geleges teilweise mit umschließen, so daß das Gelege mit dem Vlies verbunden ist. Die Gelegefäden sind in an sich bekannter Weise, wie bei 5 gezeigt, miteinander verbunden und das Vlies 4 ist auf dem Gelege erzeugt. Die Vliesfasern reichen aber bis in eine Ebene, die durch die Mitte des Glasfaserstranges 3 des Geleges läuft, so daß also zwischen dem Glasfaserstrang 2 und der Oberfläche des Vlieses 4 ein Hohlraum besteht, der frei von Glasfasern des Vlieses ist, ebenso ist es bei dem Glasfasergebilde auf der anderen Seite der Platte.From the drawing it can be seen that the fleece and the scrim form a unit in that the fibers of the fleece partially enclose the fiberglass strand 3 of the scrim so that the scrim is connected to the fleece. The scrim threads are connected to one another in a manner known per se, as shown at 5, and the fleece 4 is produced on the scrim. the However, fleece fibers extend into a plane that runs through the center of the glass fiber strand 3 of the scrim, so that between the glass fiber strand 2 and the surface of the fleece 4 is a cavity which is free of glass fibers of the fleece, as well it is with the fiberglass structure on the other side of the plate.
-8--8th-
09836/020509836/0205
Das Material zur Ummantelung der Platte ist einheitlich, also überall gleich.The material for sheathing the plate is uniform, i.e. the same everywhere.
Bei der Herstellung der Platte würde man so verfahren wie bei der Herstellung der Gipskartonplatte. Zuerst würde der "Ansichtsseitenbelag" in die Maschine eingeführt, beispielsweise der, der generell mit dem Zeichen A bezeichnet ist. Auf diesen Belag würde der Gipsbrei verteilt, der den Gipskern 1 bildet. Durch diesen Verteilungsvorgang dringt der Gipsbrei in das Gelege ein, etwa bis zu der Linie 6, so daß also der Strang 2 als auch ein Teil des Vlieses von dem fließfähigen Gipsbrei durchdrungen werden. Wenn dann der Rückseitenbelag R aufgebracht wird, so spielt sich derselbe Vorgang ab und der Gipsbrei wird durch den Formvorgang bis zur Linie 6 in den Glasfaserbelag hineingedrückt, so daß also auch der Strang 2 erfaßt wird und ein Teil des VliesesThe same procedure would be used in the manufacture of the board as in the manufacture of the plasterboard. First would the "visible side coating" introduced into the machine, for example that which is generally designated by the character A. is. The gypsum paste which forms the gypsum core 1 would be distributed on this covering. Penetrates through this distribution process the gypsum paste into the scrim, approximately up to the line 6, so that the strand 2 as well as part of the fleece of be penetrated by the flowable gypsum paste. When the backing surface R is then applied, the same thing happens The process starts and the gypsum slurry is pressed into the glass fiber covering up to line 6 through the molding process, so that thus also the strand 2 is detected and a part of the fleece
Durch die Schlichtung der Glasfasern, insbesondere der des Geleges, kann eine gute mechanische Verbindung herbeigeführt werden. Außerdem kann erfindungsgemäß die dem Gipsbrei zugekehrte Oberfläche des Glasfaserbelages A bzw. R mit einem Netzmittel behandelt sein, beispielsweise durch Besprühen oder Bedrucken oder Tauchen. Durch die Aufbringung des Netzmittels auf die dem Gipsbrei unmittelbar benachbarten Glasfasern erfolgt eine völlige und innige Berührung mit dem Gipsbrei, so daß nicht nur die Verbindung zwischen Glasfaser und Gipsbrei im fertigen Produkt verbessert ist, sondern auchBy sizing the glass fibers, in particular that of the scrim, a good mechanical connection can be brought about will. In addition, according to the invention, the surface of the glass fiber covering A or R facing the gypsum slurry can be used be treated with a wetting agent, for example by spraying or printing or dipping. By applying of the wetting agent on the glass fibers immediately adjacent to the gypsum slurry, there is a complete and intimate contact with the Gypsum slurry, so that not only the connection between fiberglass and gypsum slurry in the finished product is improved, but also
909836/0205909836/0205
während des Herstellungsvorganges ein schnelleres und vollkommeneres Eindringen und Benetzen des wasserhaltigen, fließfähigen Gipsbreies in das Glasfasermaterial stattfindet bzw. erfolgt.faster and more perfect during the manufacturing process Penetration and wetting of the water-containing, flowable gypsum slurry into the fiberglass material takes place or takes place.
Da ferner das Vlies auf der dem Gelege bzw. dem Gipskern zugewendeten Seite eine größere Porenweite besitzt als auf seiner nach außen weisenden Oberfläche,kann der fließfähige, wasserhaltige Gipsbrei relativ weit in das Vlies 4 eindringen. Dies ist zum besseren Verständnis des Wesens der Erfindung durch die Linien 6 bzw. 6' in der Zeichnung veranschaulicht. Furthermore, the fleece on the scrim or the plaster core facing side has a larger pore size than on its outward-facing surface, the flowable, water-containing gypsum paste penetrate relatively far into the fleece 4. This is to better understand the nature of the Invention illustrated by the lines 6 and 6 'in the drawing.
Die Verbindung des Glasfaservlieses mit dem Glasfasergelege bzw. die Anordnung der Glasfaserstränge 2 und 3 des Geleges zum Vlies erfolgt vorzugsweise durch Berücksichtigung der Fertigungsrichtung und der Abmessung der Materialbahn, so daß die im Vlies eingebettetenGlasfaserstränge 3 vorzugsweise in laufender Richtung bzw. Produktionsrichtung der erfindungsgemäßen Platte verlaufen.The connection of the glass fiber fleece with the glass fiber fabric or the arrangement of the glass fiber strands 2 and 3 of the The laid to the fleece is preferably made by taking into account the direction of manufacture and the dimensions of the material web, so that the fiberglass strands 3 embedded in the fleece are preferably in the current direction or production direction of the invention Plate run.
Die Maschenweite von Gelege und Gewebe kann variieren, sie ist in jedem Falle auf die Herstellung mit dem darauf liegenden Vlies ausgerichtet. In diesem Zusammenhang sei darauf verwiesen, daß z. B. das Gelege auch unterschiedlich starke Stränge enthalten kann. Die Glasstränge von Gelege und Gewebe können beschichtet, geschichtet, beflockt oder sonstwie oberflächlich behandelt sein.The mesh size of the scrim and fabric can vary, it is in each case on the production with the lying on it Fleece aligned. In this context, it should be noted that, for. B. the clutch of different strengths May contain strands. The glass strands of the scrim and fabric can be coated, layered, flocked or otherwise be treated superficially.
-10--10-
SQ3836/O20SSQ3836 / O20S
LeerseiteBlank page
Claims (7)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19782808723 DE2808723A1 (en) | 1978-03-01 | 1978-03-01 | BUILDING PLATE MADE OF PLASTER WITH A COATING OF GLASS FIBER |
AT125479A AT360727B (en) | 1978-03-01 | 1979-02-19 | PLASTER PLATE WITH A GLASS FIBER COATING |
CH186279A CH635158A5 (en) | 1978-03-01 | 1979-02-26 | PLASTER PLATE WITH A GLASS FIBER COATING. |
FR7905173A FR2418847A1 (en) | 1978-03-01 | 1979-02-28 | PLASTER BUILDING PLATE WITH FIBERGLASS COATING |
GB7907348A GB2023687B (en) | 1978-03-01 | 1979-03-01 | Glass fibre encased plaster core |
IT20660/79A IT1113424B (en) | 1978-03-01 | 1979-03-01 | PLASTER CONSTRUCTION SHEET WITH FIBERGLASS COATING |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19782808723 DE2808723A1 (en) | 1978-03-01 | 1978-03-01 | BUILDING PLATE MADE OF PLASTER WITH A COATING OF GLASS FIBER |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2808723A1 true DE2808723A1 (en) | 1979-09-06 |
Family
ID=6033221
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19782808723 Ceased DE2808723A1 (en) | 1978-03-01 | 1978-03-01 | BUILDING PLATE MADE OF PLASTER WITH A COATING OF GLASS FIBER |
Country Status (6)
Country | Link |
---|---|
AT (1) | AT360727B (en) |
CH (1) | CH635158A5 (en) |
DE (1) | DE2808723A1 (en) |
FR (1) | FR2418847A1 (en) |
GB (1) | GB2023687B (en) |
IT (1) | IT1113424B (en) |
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US4403006A (en) * | 1980-01-10 | 1983-09-06 | United States Gypsum Company | Sag-resistant gypsum board containing coal fly ash and method for making same |
DE3331850A1 (en) * | 1983-09-03 | 1985-04-04 | Dr. C. Otto & Co Gmbh, 4630 Bochum | Process for making refractory composite blocks or bricks |
DE4017057A1 (en) * | 1990-05-26 | 1991-11-28 | Peter Breidenbach | CLAY PLATE AND METHOD FOR THEIR PRODUCTION |
US5148645A (en) * | 1984-02-27 | 1992-09-22 | Georgia-Pacific Corporation | Use of fibrous mat-faced gypsum board in shaft wall assemblies and improved fire resistant board |
US5319900A (en) * | 1984-02-27 | 1994-06-14 | Georgia-Pacific Corporation | Finishing and roof deck systems containing fibrous mat-faced gypsum boards |
US5342680A (en) * | 1988-01-06 | 1994-08-30 | Georgia-Pacific Corporation | Glass mat with reinforcing binder |
US5371989A (en) * | 1984-02-27 | 1994-12-13 | Georgia-Pacific Corporation | Use of fibrous mat-faced gypsum board in exterior finishing systems for buildings and shaft wall assemblies |
US5397631A (en) * | 1987-11-16 | 1995-03-14 | Georgia-Pacific Corporation | Coated fibrous mat faced gypsum board resistant to water and humidity |
DE19525315A1 (en) * | 1994-12-24 | 1996-06-27 | Fussboden Menkel Karlheinz Men | Hollow flooring structure |
US5644880A (en) * | 1984-02-27 | 1997-07-08 | Georgia-Pacific Corporation | Gypsum board and systems containing same |
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US7399718B2 (en) | 2001-02-26 | 2008-07-15 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Water-repellent and vapor-permeable multilayer material for outdoor applications |
US7635657B2 (en) | 2005-04-25 | 2009-12-22 | Georgia-Pacific Gypsum Llc | Interior wallboard and method of making same |
US7745357B2 (en) | 2004-03-12 | 2010-06-29 | Georgia-Pacific Gypsum Llc | Use of pre-coated mat for preparing gypsum board |
US7762040B2 (en) | 2004-08-12 | 2010-07-27 | Progressive Foam Technologies, Inc. | Insulated fiber cement siding |
US7846278B2 (en) | 2000-01-05 | 2010-12-07 | Saint-Gobain Technical Fabrics America, Inc. | Methods of making smooth reinforced cementitious boards |
US7861476B2 (en) | 2002-11-05 | 2011-01-04 | Certainteed Corporation | Cementitious exterior sheathing product with rigid support member |
US7989370B2 (en) | 2003-10-17 | 2011-08-02 | Georgia-Pacific Gypsum Llc | Interior wallboard and method of making same |
US8070895B2 (en) | 2007-02-12 | 2011-12-06 | United States Gypsum Company | Water resistant cementitious article and method for preparing same |
US8091313B2 (en) | 2003-10-15 | 2012-01-10 | Progressive Foam Technologies, Inc. | Drainage place for exterior wall product |
US8192658B2 (en) | 2002-11-05 | 2012-06-05 | Certainteed Corporation | Cementitious exterior sheathing product having improved interlaminar bond strength |
US8329308B2 (en) | 2009-03-31 | 2012-12-11 | United States Gypsum Company | Cementitious article and method for preparing the same |
US8844233B2 (en) | 2004-08-12 | 2014-09-30 | Progressive Foam Technologies, Inc. | Foam insulation board with edge sealer |
US8910444B2 (en) | 2004-08-12 | 2014-12-16 | Progressive Foam Technologies, Inc. | Foam insulation backer board |
US8910443B2 (en) | 2004-08-12 | 2014-12-16 | Progressive Foam Technologies, Inc. | Foam backer for insulation |
US9097024B2 (en) | 2004-08-12 | 2015-08-04 | Progressive Foam Technologies Inc. | Foam insulation board |
US9434131B2 (en) | 2004-09-30 | 2016-09-06 | Plycem Usa, Inc. | Building panel having a foam backed fiber cement substrate |
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FR2524921B1 (en) * | 1982-04-08 | 1987-12-18 | Vignolles Jean | NOVEL COMPOSITE WALL STRUCTURE, METHODS FOR IMPLEMENTING IT IN THE BUILDING FIELD AND CONSTRUCTION ELEMENTS THUS OBTAINED |
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FR2620747B1 (en) * | 1987-09-23 | 1990-01-05 | Arnaud Guy | PROCESS FOR MANUFACTURING A COMPOSITE MATERIAL FOR THE THERMAL INSULATION OF BUILDINGS AND NEW MATERIAL OBTAINED |
US6054205A (en) * | 1997-05-29 | 2000-04-25 | Clark-Schwebel Tech-Fab Company | Glass fiber facing sheet and method of making same |
US6254817B1 (en) | 1998-12-07 | 2001-07-03 | Bay Mills, Ltd. | Reinforced cementitious boards and methods of making same |
US7049251B2 (en) * | 2003-01-21 | 2006-05-23 | Saint-Gobain Technical Fabrics Canada Ltd | Facing material with controlled porosity for construction boards |
US20040224584A1 (en) * | 2003-05-08 | 2004-11-11 | Techfab, Llc - Anderson, Sc | Facing sheet of open mesh scrim and polymer film for cement boards |
FR3061075B1 (en) * | 2016-12-27 | 2020-12-11 | Saint Gobain Adfors | LOW PCS SURFACING PRODUCT FOR PLASTER PLATES |
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- 1979-02-26 CH CH186279A patent/CH635158A5/en not_active IP Right Cessation
- 1979-02-28 FR FR7905173A patent/FR2418847A1/en active Granted
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- 1979-03-01 GB GB7907348A patent/GB2023687B/en not_active Expired
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Cited By (48)
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US4403006A (en) * | 1980-01-10 | 1983-09-06 | United States Gypsum Company | Sag-resistant gypsum board containing coal fly ash and method for making same |
DE3331850A1 (en) * | 1983-09-03 | 1985-04-04 | Dr. C. Otto & Co Gmbh, 4630 Bochum | Process for making refractory composite blocks or bricks |
US5644880A (en) * | 1984-02-27 | 1997-07-08 | Georgia-Pacific Corporation | Gypsum board and systems containing same |
US5148645A (en) * | 1984-02-27 | 1992-09-22 | Georgia-Pacific Corporation | Use of fibrous mat-faced gypsum board in shaft wall assemblies and improved fire resistant board |
US5319900A (en) * | 1984-02-27 | 1994-06-14 | Georgia-Pacific Corporation | Finishing and roof deck systems containing fibrous mat-faced gypsum boards |
US5791109A (en) * | 1984-02-27 | 1998-08-11 | Georgia-Pacific Corporation | Gypsum board and finishing system containing same |
US5371989A (en) * | 1984-02-27 | 1994-12-13 | Georgia-Pacific Corporation | Use of fibrous mat-faced gypsum board in exterior finishing systems for buildings and shaft wall assemblies |
US5704179A (en) * | 1984-02-27 | 1998-01-06 | Georgia-Pacific Corporation | Finishing and roof deck systems containing fibrous mat-faced gypsum boards |
US5397631A (en) * | 1987-11-16 | 1995-03-14 | Georgia-Pacific Corporation | Coated fibrous mat faced gypsum board resistant to water and humidity |
US5981406A (en) * | 1988-01-06 | 1999-11-09 | G-P Gypsum Corporation | Glass mat with reinforcing binder |
US5718785A (en) * | 1988-01-06 | 1998-02-17 | Georgia-Pacific Corporation | Glass mat with reinforcing binder |
US5342680A (en) * | 1988-01-06 | 1994-08-30 | Georgia-Pacific Corporation | Glass mat with reinforcing binder |
DE4017057C2 (en) * | 1990-05-26 | 1999-11-04 | Peter Breidenbach | Clay building board and process for its manufacture |
DE4017057A1 (en) * | 1990-05-26 | 1991-11-28 | Peter Breidenbach | CLAY PLATE AND METHOD FOR THEIR PRODUCTION |
DE19525315A1 (en) * | 1994-12-24 | 1996-06-27 | Fussboden Menkel Karlheinz Men | Hollow flooring structure |
US6187409B1 (en) * | 1997-09-12 | 2001-02-13 | National Gypsum Company | Cementitious panel with reinforced edges |
US6488792B2 (en) | 1997-09-12 | 2002-12-03 | National Gypsum Properties | Method and apparatus for manufacturing cementitious panel with reinforced longitudinal edge |
US9017495B2 (en) | 2000-01-05 | 2015-04-28 | Saint-Gobain Adfors Canada, Ltd. | Methods of making smooth reinforced cementitious boards |
US7846278B2 (en) | 2000-01-05 | 2010-12-07 | Saint-Gobain Technical Fabrics America, Inc. | Methods of making smooth reinforced cementitious boards |
US7399718B2 (en) | 2001-02-26 | 2008-07-15 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Water-repellent and vapor-permeable multilayer material for outdoor applications |
DE10109264B4 (en) * | 2001-02-26 | 2005-06-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Water-repellent and vapor-permeable multi-layer material for outdoor applications |
US9435124B2 (en) | 2002-11-05 | 2016-09-06 | Plycem Usa, Inc. | Cementitious exterior sheathing product having improved interlaminar bond strength |
US8192658B2 (en) | 2002-11-05 | 2012-06-05 | Certainteed Corporation | Cementitious exterior sheathing product having improved interlaminar bond strength |
US7861476B2 (en) | 2002-11-05 | 2011-01-04 | Certainteed Corporation | Cementitious exterior sheathing product with rigid support member |
US8091313B2 (en) | 2003-10-15 | 2012-01-10 | Progressive Foam Technologies, Inc. | Drainage place for exterior wall product |
US7989370B2 (en) | 2003-10-17 | 2011-08-02 | Georgia-Pacific Gypsum Llc | Interior wallboard and method of making same |
US8461067B2 (en) | 2004-03-12 | 2013-06-11 | Georgia-Pacific Gypsum Llc | Use of pre-coated mat for preparing gypsum board |
US7745357B2 (en) | 2004-03-12 | 2010-06-29 | Georgia-Pacific Gypsum Llc | Use of pre-coated mat for preparing gypsum board |
US7749928B2 (en) | 2004-03-12 | 2010-07-06 | Georgia-Pacific Gypsum Llc | Use of pre-coated mat for preparing gypsum board |
US7932195B2 (en) | 2004-03-12 | 2011-04-26 | Georgia-Pacific Gypsum Llc | Use of pre-coated mat for preparing gypsum board |
US7762040B2 (en) | 2004-08-12 | 2010-07-27 | Progressive Foam Technologies, Inc. | Insulated fiber cement siding |
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US9359769B2 (en) | 2004-08-12 | 2016-06-07 | Progressive Foam Technologies, Inc. | Insulated fiber cement siding |
US9097024B2 (en) | 2004-08-12 | 2015-08-04 | Progressive Foam Technologies Inc. | Foam insulation board |
US8910443B2 (en) | 2004-08-12 | 2014-12-16 | Progressive Foam Technologies, Inc. | Foam backer for insulation |
US8499517B2 (en) | 2004-08-12 | 2013-08-06 | Progressive Foam Technologies, Inc. | Insulated fiber cement siding |
US8511030B2 (en) | 2004-08-12 | 2013-08-20 | Progressive Foam Technologies, Inc. | Insulated fiber cement siding |
US8910444B2 (en) | 2004-08-12 | 2014-12-16 | Progressive Foam Technologies, Inc. | Foam insulation backer board |
US8756891B2 (en) | 2004-08-12 | 2014-06-24 | Progressive Foam Technologies, Inc. | Insulated fiber cement siding |
US9434131B2 (en) | 2004-09-30 | 2016-09-06 | Plycem Usa, Inc. | Building panel having a foam backed fiber cement substrate |
US7635657B2 (en) | 2005-04-25 | 2009-12-22 | Georgia-Pacific Gypsum Llc | Interior wallboard and method of making same |
US7807592B2 (en) | 2005-04-25 | 2010-10-05 | Georgia-Pacific Gypsum Llc | Interior wallboard and method of making same |
DE102005053104A1 (en) * | 2005-11-04 | 2007-05-10 | Knauf/Usg Systems Gmbh & Co. Kg | building board |
DE102005053104B4 (en) * | 2005-11-04 | 2011-03-31 | Knauf/Usg Systems Gmbh & Co. Kg | construction panels |
EP1783294A1 (en) | 2005-11-04 | 2007-05-09 | Knauf USG Systems GmbH & Co. KG | Building board |
US8568544B2 (en) | 2007-02-12 | 2013-10-29 | United States Gypsum Company | Water resistant cementitious article and method for preparing same |
US8070895B2 (en) | 2007-02-12 | 2011-12-06 | United States Gypsum Company | Water resistant cementitious article and method for preparing same |
US8329308B2 (en) | 2009-03-31 | 2012-12-11 | United States Gypsum Company | Cementitious article and method for preparing the same |
Also Published As
Publication number | Publication date |
---|---|
AT360727B (en) | 1981-01-26 |
IT7920660A0 (en) | 1979-03-01 |
GB2023687B (en) | 1982-08-25 |
IT1113424B (en) | 1986-01-20 |
CH635158A5 (en) | 1983-03-15 |
FR2418847B1 (en) | 1983-11-25 |
FR2418847A1 (en) | 1979-09-28 |
GB2023687A (en) | 1980-01-03 |
ATA125479A (en) | 1980-06-15 |
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