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WO/1994/025235A1 |
The reinforcement ribs on the underside of a concrete roofing tile (2) are formed during the manufacture thereof by directing mortar into recesses (19) in a pallet (P) on which the tile is made, compaction means (18) in the form of multi...
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WO/1994/013447A1 |
The invention is related to a continuous moulding device of building materials comprising two pairs of drive sprockets (22) oppositely positioned at the inlet and the outlet of the device, a pair of chain conveyors (24) wound on said dri...
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WO/1994/004784A1 |
A door frame (10) having excellent fire-resistance, flexural strength and screw holding properties is fabricated from gypsum fiberboard, specifically a gypsum fiberboard having a density of at least 60 lbs./cu ft., a flexural strength of...
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WO/1994/003318A1 |
A continuous manufacturing line for preparing gypsum fiberboard is provided. The manufacturing line includes equipment for admixing hydratable gypsum, paper, and a quantity of water to form a substantially homogeneous slurry, dewatering ...
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WO/1993/013924A1 |
The invention relates to the fabrication of mouldable products, which is characterized by the integration of moulding means (bm1) to optimalized rotary structures (1, 5, 7, 9, 12) in the form of modular barrels having at least two faces,...
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WO/1993/012918A1 |
The object of the invention is a method for manufacturing concrete elements, in which method backing plates are transferred on a transferring device (1) to a conveyor (2), along which the backing plates are being moved, concrete is conti...
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WO/1993/011085A1 |
A method and apparatus for producing gypsum board. The method includes the steps of mixing a predetermined amount of fibers, absorbent, and water to form a mixture of wetted, loose fibers, mixing the wetted fibers with predetermined amou...
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WO/1993/004830A1 |
For producing staff slabs by a mixed method, a humidified mixture of plaster and fibres is spread on a conveyor belt. The missing water is added to the mixture after or during a precompressing step in a preliminary press and before the f...
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WO/1993/003899A1 |
Fibre-reinforced plaster plates are produced in a multi-layered continuous filtration process. A suspension of plaster and wet processed fibres, preferably from used paper, is dewatered on at least two travelling screens. At least two la...
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WO/1993/004008A1 |
Fibre-reinforced plaster plates are produced according to a single layer, continuous filtration process. A suspension of hemihydrate plaster and wet processed lignocellulose-containing fibres, preferably from used paper, is dewatered on ...
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WO/1993/003238A1 |
An inorganic constructional board used for a wall foundation member and the like, which comprises: a middle layer portion (1a) including inorganic foam as its main body and suitable amounts of a fiber material and a bonding agent added t...
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WO/1993/001932A2 |
A method and apparatus for producing gypsum board. The method includes the steps of mixing a predetermined amount of fibers, absorbent, and water to form a mixture of wetted, loose fibers, mixing the wetted fibers with predetermined amou...
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WO/1992/020502A1 |
Method and device for manufacturing a construction block by pressure moulding a mixture of a hydraulic binder such as plaster, an inert filler such as sand, and water, involving passing a mould (50) through different work stations includ...
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WO/1992/013645A1 |
A method and an apparatus are described for producing lightweight construction panels having a cementitious core surfaced with a layer of reinforcing fabric bonded to the two faces of the core. The edges of the panel also are covered wit...
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WO/1992/010349A1 |
Moulded articles in the form of tiles are produced in a disposable continuous carrier (M2) provided with a plurality of discrete self-supporting cavities (214) which are first fully filled with a particulate filler to which is subsequent...
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WO/1992/003268A1 |
In order to produce plate-shaped bodies made of a mixture of plaster and fibrous materials, first a mat is produced in a known manner by spreading a wet mixture of plaster and fibres. The mat is then compressed in a first press (1) until...
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WO/1991/019058A1 |
The clay tile proposed consists of a clay-bound core layer (20) with, on each side of it, a surface layer (22, 24) of netlike, tear-resistant textile material which is at least partially embeddedin the clay of the core layer (20).
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WO/1991/010545A1 |
This invention provides an apparatus usable for molding under high pressure, in which, when slip casting is applied to super-fine powder for porcelains and fine ceramics, no clogging occurs and high efficiency as well as high accuracy is...
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WO/1991/005744A1 |
An isometric view of fire door construction (60) comprising gypsum fiberboard panels (62) having a density of at leat 60 lbs/ft3, a flexural strength of at least 30 lbs (1/2 inch thick material), and a screw holding capacity of at least ...
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WO/1991/004142A1 |
Described is a flat-extrusion process for the production of, in particular, laminated wood panels, and a device for carrying out the process. The process comprises the following steps: the mixture is fed through mixing/dispersal equipmen...
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WO/1988/010185A1 |
In a device (1) and a process for manufacturing roof covering boards having a transverse flange integrally formed by extrusion, recesses in the lower mould cavities (7, 7') corresponding to the flange are first filled with a hardenable p...
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WO/1987/006873A1 |
A machine for manufacturing of flat concrete products on separate moulding trays (10), which are moved in close succession upon an endless conveyor (8) passing a concrete extruding station (3), where a concrete mass is deposited, compact...
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WO/1987/002299A1 |
Apparatus for preparing a pressed green product for kilnfiring in tile manufacture, in which a mixture (10) of clay and inert material such as basalt are fed to an air-entraining device (12) for filling a die (20) while the die cavity is...
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WO/1986/006019A1 |
Apparatus for making tiles or slabs (ranging from roofing tiles to paving slabs from castable material, typically concrete) comprises a sequence of platens (20) on an endless conveyor (10) affords a substantially continuous surface onto ...
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WO/1986/003448A1 |
Apparatus for forming cement roofing tiles (26), the apparatus comprising a support bed for supporting a plurality of pallets (4) which define the undersides of tiles. The apparatus includes a drum (20) located above the pallets, the dru...
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WO/1985/004362A1 |
A method of producing a prestressed continuous concrete product, according to which method mould units (2) are connected one after another to form a sequence of moulds (1) and the moulds are provided with prestressing wires (10), whereaf...
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WO/1985/003026A1 |
According to the method, at least two conventional casting moulds (1) are placed side by side, which said moulds are provided with side beams and other equipment necessary for the manufacture of the panel. The moulds (1) may stand on the...
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WO/1985/001538A1 |
A roofing plate (10), such as a corrugated, interlocking tile, is at its upper side surface provided with a proofing strip (27) arranged extending across the corrugations of the roofing plate at the upper edge thereof. The proofing strip...
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WO/1985/000135A1 |
A process for manufacturing roof tiles includes introducing tile forming material into a hopper (1) for subsequent discharge onto a succession of moving pallets (8) to form a base ribbon (11) which is cut into individual tiles (12). One ...
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WO/1984/002493A2 |
The plant for the continuous and automated manufacturing of articles obtained by compression of products comprises a supply means arranged in a central cylinder (6) and secured to the plant frame consisting of a central cylinder (1) and ...
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WO/1984/000514A1 |
Method for pressing and vibrating form bodies made of fine gravel and cement, of wet earth consistency, to produce hard porous bodies. The operation of the plant is presented in details in figures 1 to 46. The figures 48 and 49 represent...
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WO/1983/003632A1 |
A roof tile (9) having contoured interlocking regions (20) along its side edges is provided with a plurality of relatively shallow closely spaced, longitudinally extending grooves on its upper surface (19) and optionally upwardly extendi...
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WO/1983/001410A1 |
Process and apparatus for producing fabric-reinforced, thin concrete panels suitable as a backer board for construction materials such as ceramic tile, slate and thin brick. Prior art methods tend to be labor intensive and require undue ...
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WO/1981/003304A1 |
This vacuum type brick forming apparatus includes an upper vacuum chamber formed at an elevation frame around an upper piston, an upper sealing ring attached to the frame capable of contacting the upper surface of a framework, a lower va...
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WO/1981/002865A1 |
In a method of manufacturing profiled elements from a hardenable mass such as concrete, using a casting machine (1), the mass is discharged from said machine in the form of a continuous casting via an exchangeable nozzle (1a), which dete...
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WO/1981/002701A1 |
When casting consecutive concrete elements such as concrete sleepers there is used an elongate mould bed comprising a plurality of mutually adjacent vertically movable moulds. Mould stripping, removal of cast concrete elements, cleaning ...
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WO/1981/002702A1 |
When casting consecutive concrete elements, e.g. concrete sleepers, there is used an elongate mould bed comprising a plurality of mutually adjacent vertically movable moulds. Mould-stripping, removal of cast concrete elements, cleansing ...
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WO/1981/000375A1 |
A method and apparatus for the production of a composite sheet material and a material produced thereby are described, a typical product being a lightweight permanent or temporary form work sheet of accurate thickness and parallelism mad...
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JP7408663B2 |
A gypsum building material, characterised in that the gypsum building material comprises at least gypsum, H-siloxane and/or amorphous silicon dioxide and optionally further additives, wherein the H-siloxane is uniformly distributed in th...
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JP2023538092A |
The present disclosure is in the field of building materials. In particular, the present disclosure is a method and process for producing fiber cement with a high solids holding capacity in the drying stage, which increases productivity ...
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JP2023021258A |
To provide a method for producing a cement plate having excellent durability, and a production method therefor.A cement plate production method and a production device therefor comprise: a running apparatus 20 moving a mold plate 4 in a ...
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JP7122113B2 |
Provided is a building material manufacturing apparatus and a building material manufacturing method that are suitable for efficiently manufacturing a building material while suppressing clogging of a sieve portion for sieving the buildi...
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JP7100022B2 |
Embodiments of a system and a method for manufacturing a gypsum board can be used to produce a gypsum board having at least one perforated cover sheet via a cover sheet perforator system. The cover sheet perforator system can include a p...
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JP2021525669A |
The present invention relates to a method and equipment for continuously forming an artificial stone plate. In the method, at least one mineral filler and raw material with an organic binder are mixed and transferred upstream of the lowe...
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JP6872906B2 |
The present invention relates to a gypsum plasterboard, comprising a first outer layer, preferably paper layer (111), a first intermediate layer (112) formed by a second gypsum slurry S2, a core layer (113) formed by a first gypsum slurr...
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JP6791761B2 |
The present invention relates to a gypsum plasterboard, comprising a first outer layer, preferably paper layer (111), a first intermediate layer (112) formed by a second gypsum slurry S2, a core layer (113) formed by a first gypsum slurr...
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JP2019112300A |
To provide a manufacturing method for gypsum fiber board over the thickness of 19 mm and dry mix for manufacturing the same.A manufacturing method for a gypsum fiber board 10 by Siempelkamp dry method includes the step of preparing a com...
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JP6424216B2 |
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JP6353067B2 |
The rotary tablet press has a housing including a compression section (6) with a turret (10) including a die disc (40), a top punch guide (20), a bottom punch guide (30), and a plurality of punches (25, 35). The turret (10) defines an ax...
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JP5896967B2 |
A process for producing fiber-reinforced structural cementitious panels made of at least one layer of fiber reinforced cementitious slurry, the process for each such layer of slurry including providing a moving web; depositing a first la...
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