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WO/1995/021049A1 |
A mold box (85) is flexibly mounted to a product forming machine having upper and lower vertically displaceable beams (26, 28). A feed drawer (14) dispenses concrete material into the mold box while a vibration system (15) vertically vib...
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WO/1995/020474A1 |
For the production of steep-walled pot-shaped articles (90), such as flower pots or similar products, the invention calls for granular materials (80) to be introduced into a press and subsequently compressed isostatically by a pressing t...
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WO/1995/016644A1 |
An article comprising a hydrated matrix containing 100 parts by weight of cement and around 80-120 and preferably around 100 parts by weight of sand with a grain size of less thant 1 mm, and alkali-resistant reinforcing glass fibres in a...
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WO/1995/012486A1 |
This invention relates to a pressure molding apparatus characterized in that a molding precursor, for example, green sheets are packed in a recess (3b) in a pressure container body (3), the recess being then closed with a covering member...
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WO/1995/005350A1 |
A method for manufacturing a design optimized cement mixture comprising the steps of: calculating the maximum packing density for the cement, fine aggregate and coarse aggregate (66); setting the optimal cost mixture (69); calculating th...
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WO/1995/004709A1 |
Sealable liquid-tight containers (10) and methods for economically manufacturing such containers for storing and dispensing substances and any other purposes for which conventional sealable liquid-tight containers are utilized. The conta...
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WO/1995/004200A1 |
A concrete tile (32) of integral, one-piece construction has left side (44) and right side (46) portions of different colouring which extends through the entire thickness of the relatively thin, generally planar tile. An upper surface of...
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WO/1994/023917A1 |
The tool has a female mould (14), a male mould (54) and a one-piece diaphragm (20) arranged between them which is complementary to the outside of the container and has a radial swelling (24) with two opposite side pieces (26) for each ha...
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WO/1994/019172A1 |
Compositions, methods and systems for manufacturing arcticles, including containers and packaging materials, from hydraulically settable and inorganically filled materials are disclosed. Suitable compositions are prepared by mixing toget...
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WO/1994/013445A1 |
A cored construction product such as a hollow cored partition panel for a building is made from a compressed mixture of liquid settable powder and wooly fibrous material. The powder and fibrous material are mixed and evenly damped, and t...
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WO/1994/012328A1 |
Compositions, methods, and apparatus for manufacturing sheets having a highly inorganically filled matrix prepared by mixing together an organic polymer binder, water, one or more inorganic aggregate materials, fibers, and optional admix...
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WO/1994/011587A1 |
A building block (10) comprises a transverse groove (12) in each end face (10b, 10c), an opening (15) extending from the first (10e) to the second bearing face (10d) in which a longitudinal groove (13, 14) is also provided. The block is ...
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WO/1994/009832A1 |
A novel product and a method for producing single- or multi-phase biological materials, e.g. composite and ceramic materials, from bioactive mineral powders such as calcium phosphate powders. Said method is characterised in that it invol...
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WO/1994/008912A2 |
Aggregates, matrices, and composites exhibiting enhanced structural characteristics, together with methods and apparatuses for their manufacture, are disclosed. The aggregates of the present invention have a three-dimensional shape, a Te...
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WO/1994/004330A1 |
Containers incorporating a hydraulically settable structural matrix including a hydraulically settable binder such as cement for use in the storing, dispensing, and/or packaging of food and beverage products are disclosed. The disposable...
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WO/1993/025497A1 |
The specification discloses a method and apparatus for the production of articles made of particle-based material, e.g., ceramics and sintered metals. In accordance with the invention, a thermally settable slurry containing a relatively ...
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WO/1993/025385A1 |
A method of fabricating a plurality of multilayer structures which includes at least one recess (22) defined by a nonplanar surface. The method comprises the steps of: a) providing a resilient, compliant material (36) on or over one or m...
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WO/1993/022117A1 |
The present invention relates to a mould, in particular, for shaping unfired ceramic products. It can be used to make products of complex geometric shape using vertical-action presses, in which the surface of an upper buffer (3) in each ...
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WO/1993/020961A1 |
The description relates to a process for the continuous production of cyclindrical rods (24) with at least one and preferably a plurality of internal helical channels (26) of predetermined cross-section uniformly distributed around the p...
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WO/1993/020990A1 |
The present invention relates to continuous concrete casting by extrusion and, in particular discloses the process, method and apparatus by which substantially continuous lengths of cast reinforced or prestressed concrete products or oth...
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WO/1993/021126A1 |
The description relates to a process for producing light, at least largely inorganic mouldings with a density < 400 kg/m?3¿. To this end a light microporous filler with a powder density < 150 kg/m?3¿ is bonded with a geopolymer. The fi...
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WO/1993/017846A1 |
A method wherein (a) a predetermined amount of concrete is fed into a mould (3) on a moulding plate (29) which is removably mounted on a vibrating table (4); (b) the concrete in the mould (3) is compressed to give an element (2) having a...
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WO/1993/009939A1 |
A block machine (1) for producing formed bodies from pourable masses has a measurement and comparison arrangement (16) that detects the moulding pressure (15) and the press stroke (14) from the beginning of the moulding process and compa...
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WO/1993/004850A1 |
A device is disclosed for producing electrodes, in particular carbon electrodes for the fused mass electrolysis of aluminium, by shaking a granular mass of artificial carbon. The device has a moulding box (32) held on a machine frame (11...
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WO/1993/004831A1 |
In order to simplify the transport of parts to be exchanged (5', 6, 6', 7, 7') of a vertical press (1), devices (10, 10', 11) for lifting and transporting these parts are incorporated into the press. Appropriately, the lifting and transp...
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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/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/1992/018323A1 |
The present invention relates to a manufacturing method where items are made similarly the way a variety of insects build up their habitats. That is by assembly of minute particles or threads of mater with a bonding ingredient in some pr...
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WO/1992/004170A2 |
Pasty materials from which green parts are molded before sintering, and which otherwise are difficult or impossible to mix while in the pasty state, are mixed and homogenised by forming a lump, placing it between two parallel flat platen...
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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/1991/018842A1 |
The shaped body (5) consists of a mixture of 96 to 98 wt. % of a mineral raw material and 2 to 4 wt. % of a water-soluble resin based on phenol and its homologues and aldehydes or isocyanite as a binder for the raw material. The resin is...
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WO/1991/017875A1 |
Novel compositions and methods of hydrating hydraulic cement without mechanical mixing of the cement and water are disclosed. Cementitions articles are prepared by manipulating powdered hydraulic cement compositions using known or novel ...
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WO/1991/008091A1 |
In machines for moulding block stones a cellular mould (8) is used underneath a compacting head (12) having press plates (16) that can be pressed down for compressing the concrete mass in the moulding cells (10) and for pressing out the ...
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WO/1991/006514A1 |
A method for the production of construction articles and preparation of a mixture for making them from a clay raw material, providing for production of two kinds of granules: one from a mixture of clay, limestone and coal, and the other ...
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WO/1991/005111A1 |
When concrete paving stones are used as a ground covering, the noise generated by traffic moving thereon constitutes a drawback. To reduce the propagation of noise, the invention proposes concrete blocks which are of a considerably large...
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WO/1991/004141A1 |
The process and device for producing bodies (4) from extrudable or extrusion-mouldable material, like a ceramic or synthetic compound, makes use of a nozzle consisting of several gaplessly adjacent segments (21 to 25) in which segments (...
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WO/1990/009874A1 |
It has so far been possible to produce certain ceramic profile sections with a relatively long length compared to their diameter only by wet-extrusion methods. This applies above all to the manufacture of catalyzers. To provide a simpler...
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WO/1990/009264A1 |
The device comprises a trolley (2) movable on a portal (3) in two perpendicular horizontal directions. On the trolley (2) is mounted a sectional pressing roller (12) having a smooth-surface cylindrical section (13) and a section consisti...
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WO/1990/007406A1 |
A control device is useful for controlling over time the filling pressure in a compression moulding die (11) during filling with a paste-like or viscous material, in particular in the manufacture of oxide magnets. A pressure probe (14) m...
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WO/1990/005709A1 |
An improved composite material is produced by mixing gypsum and host particles of a stronger substance, such as wood fibers, in a dilute slurry; heating the slurry, under pressure, to convert the gypsum to calcium sulfate alpha hemihydra...
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WO/1990/002651A1 |
In a device for detachably fastening a mould frame (2) to a U-shaped mould table (3) of a press in which the mould frame (2) can be slid into guide grooves (6) on the mould table (3) and anchored by means of wedges (13), guide grooves (6...
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WO/1989/012521A1 |
It is proposed that the gases produced by the explosion in an explosion chamber or autoclave are not allowed to expand, but are used to carry out other operations in the production of the solid product required.
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WO/1989/010337A1 |
Sintered magnesium oxide ceramic bodies containing zirconia or hafnia exhibit superplasticity when subjected to deformation loads at temperatures above about 1100°C. Sintered magnesia bodies of this type may readily be formed into compl...
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WO/1989/005222A1 |
In order to manufacture ceramic mouldings with embedded reinforcement which possess a good surface quality and improved resistance and toughness, the reinforcement is designed as an inherently rigid three-dimensional supporting framework...
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WO/1989/003298A1 |
The invention concerns a process for compacting a particulate material consisting of plastics, coal, metals or ceramics by applying pressure to the material in a sealed mould cavity. In the process, a pressure of 10 to 104 N/cm2 is appli...
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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/1988/006083A1 |
A process for forming cement moldings, which comprises adding water to cement in an amount less than that necessary for forming cement moldings, compacting the cement composition thus prepared by, for example, pressing, and continuing cu...
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WO/1988/006084A1 |
At the casting of block stones in a cellular mould (8) it is customary to fill up the cells (30) completely with casting concrete, whereafter a holder-on (14) with load plates (18) corresponding to the cross section of the individual cel...
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WO/1988/004396A1 |
A process for preparing a dense, consolidated body (13') from a preform. The process requires compressing the preform (13) in a forging press (18) in an isostatic die assembly (15). The assembly (15) includes an open top (15'), ceramic-c...
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WO/1988/003916A1 |
Construction element based on plaster, which is fabricated by dry mixing sand with plaster, humidifying said mixture, pouring the wet mixture into a mould and compressing the mixture in the mould while hydration of the plaster takes plac...
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