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WO/2002/070434 |
A method for producing a ceramic structure, which comprises mixing a raw material for a ceramic, a foamed resin and optionally, a forming aid, forming the resultant mixture, and then firing the formed article, to thereby provide a porous...
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WO/2002/070425 |
Disclosed are concrete and fiber cement formulations and products comprising low-density calcium silicate hydrate, and methods for producing these formulations and products. The disclosed formulations exhibit accelerated curing times. Ot...
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WO/2002/070435 |
The invention concerns a method for making a building element based on gypsum plaster, which consists in introducing a mixture of gypsum plaster, granular filler and water in a mould (10) with rigid and shape-retaining walls (12, 14, 16)...
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WO/2002/068173 |
The present invention permits production of a monolithic cross flow trap module (1, 14, 20) in a single extrusion process. Thereafter, the trap (1, 14, 20) is fired to sinter the plasticized ceramic material and remove the plastics to ac...
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WO/2002/064339 |
The invention relates to a die for the production of flat profiles, more particularly to a slit die for extruding green ceramic foils, wherein said die has a slit-shaped outflow (20) leading to an outlet orifice(13). The height of the sl...
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WO/2002/062726 |
A honeycomb structure having a number of flow cells which are separated from one another by partition walls and pass through in the direction of axis, characterized in that it comprises refractory particles as aggregates and one or more ...
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WO/2002/058925 |
Fine circumferential skin cracking in extruded thin-walled cordierite honeycombs having channel wall thicknesses not exceeding about 0.004 inches (100 $g(m)m) but skin layers of substantially higher thickness is prevented by extruding th...
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WO/2002/053336 |
The invention relates to an improved array for fixing grids on molds for the manufacture of ceramic parts, consisting of a plate (1) with a central groove (3), two recesses or grooves (2 and 2') being placed adjacent to the central groov...
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WO/2002/051604 |
Method for manufacturing a prefab concrete constructional element, wherein concrete is brought into a molding space for defining the shape of the element. The molding space comprises at least one wall provided with a plastic lining layer...
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WO/2002/045927 |
A compaction device for compacting the bodies of products made of grained materials. The inventive device comprises at least one press plate and a vibration table between which a product body is enclosed and compacted by vibration and pr...
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WO/2002/040424 |
A honeycomb structure which comprises a silicon carbide based porous material and has a number of flow-through holes which are divided by partition walls and pass through in the axis direction, wherein said silicon carbide based porous m...
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WO/2002/038289 |
The invention relates to a device for modulating the activation energy for activating a forced periodic oscillation in a mass-spring oscillator (300, 302, 306, 308) and concerns those oscillators, whereby a useful energy for work purpose...
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WO/2002/038346 |
The invention relates to a compaction device and a method for using the same to carry out compaction operations on moulded bodies that consist of granular substances and are placed on pallets, said compaction being achieved by the impact...
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WO/2002/038347 |
A method of manufacturing a ceramic material body, comprising the steps of producing a ceramic sheet, forming through-holes for forming at least a part of the shape of the ceramic material body in the ceramic sheet, and cutting the ceram...
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WO/2002/038365 |
The invention relates to a method and device for the compression of granular materials. On compressing granular material to give prepared products e.g. concrete paving slabs, a resonance vibrator with an oscillating mass-spring system is...
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WO/2002/036365 |
An apparatus for imparting protrusions and recesses to a sheet-like object by passing the sheet-like object between a pair of rollers facing each other in which at least one roller has a roller surface formed by one or more circular plat...
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WO/2002/030845 |
A method and system of forming a fire door core are provided. Hydraulic binder and resin are supplied from raw material bins and mixed to provide a submixture. Exfolitated vermiculite is then mixed with the submixture to provide a mixtur...
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WO/2002/024428 |
A cold isopressing method and mold for compacting a granular ceramic material (28) in which the granular ceramic material (28) is introduced into a cylindrical pressure bearing element (10) of an isopressing mold (1). The cylindrical pre...
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WO/2002/024437 |
A cold isopressing method in which two or more layers (10, 18) of material are formed within an isopressing mold (1). One of the layers consists of a tape-cast film (10). The layers are isopressed within the isopressing mold (1), thereby...
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WO/2002/024997 |
A cold isopressing method in which first and second layers of at least two layers (16, 22; 38, 40; 38, 46; 38, 52) are formed within an isopressing mold (1, 2) and the second of the layers (22; 40; 46; 52) is isostatically pressed agains...
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WO/2002/009916 |
An article formed into a honeycomb being produced by extruding a mixture of a powdery material and a molding binder, wherein a mixture of a wax and a thermoplastic resin is used as the binder, characterized in that the binder comprises t...
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WO/2002/007911 |
A method of producing a composite body by coalescence, wherein the method comprises the steps of a) filling a pre-compacting mould with composite material in the form of powder, pellets, grains and the like, b) pre-compacting the materia...
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WO/2002/007917 |
A method of producing a multilayer body by coalescence, characterised in that the method comprises the steps of a) filling a pre-compacting mould with a start material in the form of powder, pellets, grains and the like, b) pre-compactin...
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WO/2002/008478 |
A method of producing a ceramic body by coalescence, wherein the method comprises the steps of a) filling a pre-compacting mould with ceramic material in the form of powder, pellets, grains and the like, b) pre-compacting the material at...
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WO/2002/007910 |
A method of producing a polymer body by coalescence, wherein the method comprises the steps of a) filling a pre-compacting mould with polymer material in the form of powder, pellets, grains and the like, b) pre-compacting the material at...
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WO/2002/007916 |
A method of producing a metal body by coalescence, wherein the method comprises the steps of a) filling a pre-compacting mould with metal material in the form of powder, pellets, grains and the like, b) pre-compacting the material at lea...
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WO/2002/002479 |
A honeycomb ceramic structure which has a chemical composition: SiO¿2?: 42 to 56 %, Al¿2?O¿3? : 30 to 40 %, and MgO: 12 to 16 wt %, and has a crystal phase comprising cordierite as a main phase, characterized in that it has a porosity...
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WO/2001/098068 |
The invention relates to a compression mould (1) for producing ceramic products from ductile materials, comprising a supporting tool element (2) provided with a pressing side (3), and a coating (5) which is applied to the pressing side (...
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WO/2001/093984 |
A honeycomb structure comprising a plurality of honeycomb members (21) having a number of distribution holes (11) partitioned by partition walls (20), the plurality of honeycomb members (21) being joined along surfaces (22) (joining surf...
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WO/2001/081267 |
A prefabricated structural building panel is disclosed. The panel includes a first sheet having inner and outer planar surfaces. A plurality of structural ribs are disposed on the inner surface of the first sheet and are interconnected t...
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WO/2001/081266 |
In preferred form, the cement composite includes a mixture of a commercial grade fly ash having a high lime content and a dry flue-gas desulfurized fly ash. A prefabricated structural building panel is disclosed. The panel includes a fir...
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WO/2001/079135 |
The invention relates to a method for the production of a sintered, microcrystalline $g(a)-A1¿2?O¿3?-based shaped body, which are used, for example, as abrasive bodies, wherein an $g(a)-A1¿2?O¿3? powder is used as starting material, ...
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WO/2001/079139 |
A ceramic paste composition containing a liquid carrier, ceramic particles, a binder and a dispersant additionally contains a cushioning agent so that it may be extruded at a low extrusion pressure, i.e. below about 0.04 MPa. The cushion...
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WO/2001/072490 |
A novel process for manufacturing fully vitrified flat extruded ceramic glazed, unglazed tiles and profiles consists of the following steps: a. mixing of raw materials in predetermined ratios; b. wet milling in ball milss; c. mechanical ...
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WO/2001/072488 |
A nozzle for extrusion molding machine (42) installed at an outlet (23) of an extrusion molding machine capable of extruding a material formed mainly of clay from an outlet (23) by an extrusion screw conveyor (24) and having a delivery p...
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WO/2001/070487 |
A process of making honeycomb articles using co-rotating, intermeshing twin screw extruder (12, 28) to mix, screen and extrude a batch of ceramic materials through a die. The improvement comprising steps of separating the mixing and scre...
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WO/2001/066325 |
A concrete product molding machine supports a mold (M) with a vertically extending mold cavity. A pallet support (25) is mounted for lifting movement to dispose a pallet to close the cavity. An attachment structure extends from the mold ...
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WO/2001/060574 |
A method for producing a ceramic structure which comprises adding an organic auxiliary to a mixture of ceramic raw materials and kneading the resultant product, to prepare a ceramic body, and subjecting the body to extrusion, characteriz...
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WO/2001/058654 |
Block forming apparatus comprises a compression chamber with upper and lower ends. A main ram extends into the compression chamber from the lower end, while an auxiliary ram is mounted on a pivoting arm and can be moved into the upper en...
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WO/2001/053059 |
A method for producing composite ceramic material (22) is provided wherein a core ceramic structure (21) is produced and simultaneously enveloped with a sleeve (23) of similar material.
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WO/2001/053612 |
The invention relates to a moulded brick (10) made of concrete. Said brick is especially used to produce a supporting wall (11) which is inclined in relation to the normal against an earth backing and is comprised of moulded bricks which...
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WO/2001/049633 |
The invention relates to a method and device for the production of components and semi-finished products made from synthetic graphite, in particular the production of graphite tubes. Said method comprises moulding a mixed mass, preferabl...
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WO/2001/049470 |
A raw material feeder for firebrick making machines that is designed for easy charging of raw material, easy cleaning of the charger interior and stirring vanes, easy removal and replacing thereof, easy visual inspection of the raw mater...
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WO/2001/047698 |
The invention relates to a compressing device for performing compression operations on shaped bodies made of grainy materials. The grainy materials, e.g. wet concrete mortar, are formed into shaped bodies in the mold recesses (106) of th...
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WO/2001/045916 |
A concrete product molding machine supports a vibratable mold (M) having an open top and an open bottom. A stripper head (19) is movable from a position above the mold (M) to an intermediate position ready to strip the molded product fro...
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WO/2001/043931 |
A method and apparatus (20) for extruding fibre cement. The extruder comprises a casing (30) with a pair of intermeshing self-wiping screws (40) rotatably mounted therein. The screws continuously mix and or knead the components of the fi...
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WO/2001/032094 |
A disposable plunger for use in a pressing furnace for the fabrication of dental restorations. The plunger is fabricated of a partially sintered ceramic material. The plunger is fabricated by known casting methods. The mold used for maki...
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WO/2001/032378 |
A process for compacting material used in the ceramics industry, comprises the steps of inserting the material, in the form of powders, into a container element (2); and pressing the powders in the container element (2); in which the pre...
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WO/2001/032377 |
Colloidal isopressing provides a rapid method to form an engineering shape from a powder slurry, previously filtered to remove strength degrading inclusions. A slurry composed of a weakly attractive particle network, produced with a shor...
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WO/2001/028295 |
An apparatus (10) for producing magnetic material from a slurry (13) containing magnetic particles and a fluid comprises a mold containing the slurry (13), a press (12), and a magnetic field generator (16). The press (12) presses the slu...
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