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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/1993/018897A1 |
A plastic resin pelletizer system and method for controlling the position of the pellet cutting knife blades (46) in relation to a die plate face (12) includes vibration detection pick-up in the form of a piezoelectric accelerometer (200...
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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/1993/014043A1 |
Cuttable concrete capable of being cut and sculpted with traditional tools and process for the manufacure and moulding thereof. The concrete consists of a mixture of a volume V of mineral material essentially in the form of crushed oolit...
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WO/1993/012052A1 |
This invention relates to a method of inhibiting alkali-silica or alkali-aggregate reactions (AAR/ASR) in concrete structures by introducing lithium compounds or the like in conjunction with conventional techniques for the treatment of s...
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WO/1993/010313A1 |
A composite comprising two glazed angled masonry building units. Each masonry building unit includes a glazed front face (3) including a planar portion (4) that is opposed a back face (5) and a second segment (6) that intersects the plan...
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WO/1993/005354A1 |
A process for the drying of objects or bodies containing water and made of a refractory material by heating to an increased temperature exceeding the boiling point of water. The drying takes place from the interior of the material, the h...
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WO/1992/018306A1 |
A plant for manufacturing concrete slabs (3), comprising a pressing station (1), a collection station (7) for collecting pressed slabs (3) placed on trays (4), a hardening station (8) for hardening the slabs (3) conveyed from the collect...
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WO/1992/014433A1 |
A method for conserving cremains includes admixing a portion of the cremains with a glaze composition, applying the glaze composition to a support, and firing the glaze on the support. Also, a commemorative object for memorializing one o...
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WO/1992/013689A2 |
The present invention relates to a novel process for removal of at least a portion of at least one metallic component of a metallic constituent from a fiber reinforced ceramic matrix composite body. Particularly, by providing at least on...
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WO/1992/013712A1 |
A wood veneer laminated gypsum board comprises a gypsum core (1a) and lamination of a paper (1b) or a paper-like outer layer on both sides, an aluminum backed wood veneer (2) bonded to the paper outer layer, and debossed designs on the w...
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WO/1992/010343A1 |
A method and apparatus for selectively sintering a layer of powder to produce a part comprising a plurality of sintered layers. The apparatus includes a computer controlling a laser to direct the laser energy onto the powder to produce a...
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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/1992/008084A1 |
The invention concerns a drying procedure for non-destructive drying out of wet structures on concrete, stone, brick and/or block base, wherein on the surface (2) of the object to be dried (1) is directed dewatering radiation. As taught ...
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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/1991/017033A2 |
A rotating cutting blade (28) and its drive motor (12) are mounted on a wheeled support platform (10). The blade (38) extends through a skid plate (52) depending from the platform, in order to cut the concrete (22) below the skid plate (...
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WO/1991/013841A1 |
A plant for drying sanitary appliances and moulds thereof, comprising a workbench (1) on which the various pieces to be dried are placed, characterized by comprising on said bench a retractable tunnel (11) formed with a double wall (18, ...
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WO/1991/012945A1 |
Ware drying apparatus comprising a mould (30) and a frusto-conical mould casing (28). A cap (52) movably vertically by a ram (50) is provided for selectively closing the top of the casing (28). A heating element (58) extends beneath the ...
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WO/1991/012391A1 |
An apparatus and method are provided for forming a building panel (50), comprising first and second panel faces (62, 64), secured in a panel frame (58). The interior corners of the panel are filled with glass fiber insulation (66) to all...
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WO/1991/006408A1 |
Individual abutting pallets (A, B and C) containing moulded concrete or the like to form roof tiles, are supplied to a primary chain conveyor (4) which feeds them to a secondary chain conveyor (5), both conveyors moving the pallets by me...
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WO/1991/006117A1 |
An electrical circuit pattern (52) is formed on a glass-ceramic, thermally fusible tape (50). The tape is heated to a temperature at which it becomes temporarily plastic, and is then bent into a desired non-planar shape. Further applicat...
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WO/1991/005644A1 |
A process for producing a paste of improved quality. In one aspect, the process comprises allowing hydraulic cement and water to mix sufficiently to reach early age equilibrium, exposing the mixing water and cementitious material to a ca...
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WO/1991/004779A1 |
Described is a process for producing semi-finished articles with a multiplicity of channels preferably parallel to each other at least in a given plane, in particular honeycomb products. The process comprises the following steps: a lamin...
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WO/1991/002128A1 |
In a process for fulling mineral fibre panels (11), the panels are conveyed in the direction of the arrow by means of two endless napped belts, only the lower one (15) of which is shown in the drawing. Preliminary fulling is carried out ...
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WO/1990/013404A1 |
The cutting device has two cutter components. It is especially suitable for split plain tiles. The cutter carriers (25) may be pivoted into their inoperative and operative positions. Each cutter (25) is connected to a spindle (29, 30), t...
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WO/1990/011127A1 |
A high temperature, high pressure oxygen furnace is fabricated from an alloy having a composition of at least 45 % nickel, 15 % chrome and 10 % tungsten. The alloy is fabricated into 1 1/4 inch bar (B) and has a length of about 17 inches...
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WO/1990/011419A1 |
The cavities (2a, 24) of a building element are filled with a mix (4) of heat-insulating and sound-deadening materials, preferably consisting of pumice and/or volcanic lapilli, in granular and/or powdery form. In a variation, the buildin...
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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/1990/009359A1 |
A process for the production of brick products with a finished surface, e.g. bricks, with a surface coating consisting of a glaze and/or a vitrificated ceramic mass, on at least one of the side faces of the brick product forming a contac...
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WO/1990/004505A1 |
A device for manufacturing mouldings of clay or such material, comprising at least one press (2) adapted to deliver a ribbon of clay (5) in a vertical, downward direction from a press nozzle (4), a sanding device (6) for applying sand on...
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WO/1990/002613A1 |
A method of forming a film of a water containing paint on a temperature sensitive substrate. A film of paint is applied to the surface of the substrate and subsequently the surface is irradiated with microwave radiation to heat the film ...
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WO/1990/001136A1 |
The method involves passing the ceramics through water, by means of immersion and/or in jets, and/or sprayed, and/or nebulized, and/or in the form of steam. The plant includes a cooling booth (CR) which may be divided into one or more st...
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WO/1989/008170A1 |
In a process for the removal of corrosive ions of reinforced concrete, the concrete is moistened with water or electrolyte over a suitable time period and thereafter is dried over a suitable time period. Moistening and drying is repeated...
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WO/1989/004239A1 |
In a process for modifying the surface of a hard engineering ceramic material, a point or line load is applied to the surface of the hard engineering ceramic material by a second material such as to cause plastic deformation of the hard ...
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WO/1989/002815A1 |
In order to manufacture plate-like floor elements for false floors, a mould is used that is composed of a tub made of a high traction-resistant material and a ceramic cover plate that closes the top of the tub and is rigidly secured to t...
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WO/1989/001555A1 |
A brick placing machine consisting of a horizontally disposed substantially rectangular receptacle the length of which corresponds approximately to the maximum width or height of any brick panel to be formed, a substantially horizontal m...
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WO/1989/000626A1 |
The fracture-free paving block (1) comprises a cement block substrate (1-1) and a top solid layer (1-2), and is characterized in that the top layer is selected from a cured cement mortar layer and a tile-like layer firmly bonded to the s...
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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/1988/008781A1 |
An apparatus (10) and method for facing blocks of stone material, especially stone aggregate material, comprising a conveyor belt (14) with plates (16) arranged to transport blocks through a work station. A rotatable facing member (28) p...
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WO/1988/008439A1 |
The invention concerns a protective coating, a process for protection of substrates by deposition of a continuous and transparent amorphic inorganic film consisting essentially of silicon, carbon, nitrogen, oxygen and hydrogen by means o...
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WO/1988/008360A1 |
A process for manufacturing structured ceramic films (111) and ceramic objects (1) manufactured therefrom with internal cavities (2) formed by photolithographic structuration and liquid jet erosion (21).
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WO/1988/003465A1 |
A process for producing corrosion-resistant concrete or mortar, which comprises forming a peelable coating inside a formwork, applying one or two paints selected from among those of asphalt type, tar type, and thermosetting resin type or...
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WO/1988/002677A2 |
A method and apparatus (10) for selectively sintering a layer of powder to produce a part comprising a plurality of sintered layers. The apparatus includes a computer (40) controlling a laser (12) to direct the laser energy onto the powd...
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WO/1988/000678A1 |
A process and a device for drying ceramic hollow bodies (1). The drying energy is supplied by a radiant heating device (21). During the drying process, an air current (19) conditioned according to temperature and humidity is directed mai...
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WO/1988/000267A1 |
For continuous production of block members consisting of outer block elements (2) having an intermediate layer (4) of a binding material, especially lightweight concrete building blocks with a heat insulating intermediate layer of foamed...
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WO/1988/000268A1 |
A method and an arrangement for packaging two or more plaster boards by covering the transversal edge surfaces (4, 5), either partially or fully, of two or more sheets (1, 2) of plaster board with a tape (6), which has a width greater th...
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WO/1987/006521A1 |
Method of re-alkalizing carbonized zones in concrete etc. The method consists of passing an electric charge between a reinforcement element in an area which has been carbonized and an electrode in an area with an alkalic environment.
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WO/1987/003109A1 |
A paste consisting of pasty or granular material coated with additional pigment and then re-pressed is applied to a support (13) in the form of a pressed strip or covering (17). The strip or covering is subjected to a first, incomplete h...
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WO/1987/000116A1 |
In order that holes may be produced in a simple and safe manner in a plaster plate (1) to be used as sound adjuster in a room, holes (15) are punched out of the plate, e.g. in the shape of slits, by means of a cutting tool. Hereby the co...
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WO/1986/006774A1 |
A constructional element such as a building block is made from an aerated cementitious material and has two major sides (10) and four minor sides. To enable a wall to be built without the need for mortar, keyways in the form of ridges (1...
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