Abstract: The invention relates to a dosing apparatus for dosing bulk material into block forming elements, and for arrangement on a filling car of a filling apparatus of a block-making machine for manufacturing patterned blocks, in particular paving blocks. The filling car may be pushed forward and backward over block forming elements in a displacement direction, and a first bulk material component may be filled into the block forming elements with this car. The dosing apparatus comprises at least one filling box that has a lower outlet that may be opened and closed by means of a closure. A second bulk material component may be filled from the filling box into the block forming elements via the lower outlet.

Abstract: An apparatus including a tool device configured to be used in the manufacturing of engineered stone slabs. The tool device may be configured to travel in an x-y plane in order to create a physically disrupted region in a mixture of resin and aggregate minerals. The tool device may have a mechanism configured to vary a width of the physically disrupted region of the mixture while traveling in the x-y plane. The apparatus may further include a spray device, which is configured to deposit colorant in an area in a wake of travel of the tool device in the x-y plane. The spray device may be configured to deposit colorant in an area while the physically disrupted region is being created in the area. The tool device may be a carving device with a V-shaped component. The tool device may be a stirring device having one or more prongs.

Abstract: A plumbing fixture includes a sump and a trapway extending from sump at an inlet of the trapway. A jet orifice is disposed in the trapway at approximately the inlet and defines an angled axis that is oriented upwardly toward an upper wall of the trapway and rearwardly toward an interior of the trapway. The jet orifice is configured to direct fluid from a fluid supply source to the trapway.

Abstract: Various ways in which material property variations of raw materials used in additive manufacturing can be identified and accounted for are described. In some embodiments, the raw material can take the form of powdered metal. The powdered metal can have any number of variations including the following: particle size variation, contamination, particle composition and particle shape. Prior to utilizing the powders in an additive manufacturing operation, the powders can be inspected for variations. Variations and inconsistencies in the powder can also be identified by monitoring an additive manufacturing with one or more sensors. In some embodiments, the additive manufacturing process can be adjusted in real-time to adjust for inconsistencies in the powdered metal.

Abstract: Systems and methods are described for forming wax shells for use with electric lighting devices. A template can comprise a sleeve that defines an interior space with a removable core at least partially disposed within the interior space. A modular top can be coupled to the sleeve, depending on the desired upper surface of the wax shell.

Abstract: A three-dimensional shaping apparatus includes a control unit configured to control a supply unit, a leveling unit, and an ejection unit to repeat a set of processes of supplying powder, forming powder layer, and ejecting shaping liquid to shape a three-dimensional shaped object corresponding to the shaping target. The control unit is configured to stop the set of processes in response to reception of a stop signal, and in response to reception of a resume signal after the reception of the stop signal, control the supply unit, the leveling unit, and the ejection unit to eject the shaping liquid onto at least a part of a dot region on a surface of an outermost powder layer, the dot region being formed by at least one dot formed at the outermost powder layer, and then resume the set of processes.

Abstract: A method of producing bi-modal particles includes the steps of igniting a first precursor gas using a primary burner thereby producing a first plurality of particles of a first size, fluidly transporting the first plurality of particles down a particle tube, igniting a second precursor gas using a secondary burner thereby producing a second plurality of particles of a second size, flowing the second plurality of particles into the first plurality of particles, and capturing the first and second plurality of particles.

Abstract: The present invention belongs to the technical field of the preparation of alloy materials, and discloses a high strength and toughness alloy material, a method for preparing the alloy material by semi-solid sintering, and application thereof.

Abstract: The invention relates to a machine for producing parts made of composite materials and method for producing parts using said machine, comprising at least one drum (1) having a perforated wall, provided with a rotary drive, in relation to which there are arranged at least one applicator head (5) for applying strips of fiber, at least one cutting head (7) and at least one assembly (11) for forming tubular parts, while inside the drum (1) there is arranged a blowing system which allows air to be projected through the perforated wall of said drum (1), allowing the production of parts with an open configuration and parts with a tubular configuration using said assembly, by means of laminated surfaces (9) that are formed on the drum (1).

Abstract: A manufacturing method of a femoral condyle prosthesis having a multilayer shell-core composite structure comprises the following procedures: (1) respectively preparing feeding material for injection forming of a core layer, a buffer layer and a shell layer, wherein the powders of feeding material of the core layer and the shell layer are selected from one or more of metallic powder, ceramic powder or toughening ceramic powder, and are different from each other, and the powder of feeding material of the buffer layer is gradient composite material powder; (2) layer by layer producing the blank of multilayer shell-core composite structural component by powder injection molding; (3) degreasing the blank; (4) sintering the blank to obtain the multilayer shell-core composite structural component. The femoral condyle prosthesis has the advantages of high surface hardness, abrasion resistance, uniform thickness of the shell layer, stable and persistent performance.

Abstract: Compositions of polymer blends of polyvinylchloride (PVC) or polymethylmethacrylate (PMMA) or polyoxymethylene (POM) and polyhydroxyalkanoate (PHA) are described. In certain embodiments, the PHA is a poly-3-hydroxybutyrate-co-4-hydroxybutyrate copolymer having a weight percent 4-hydroxybutyrate of 30-45%. In other embodiments the PHA is a multiphase P3HB-4HB copolymer blend having one phase fully amorphous. The PHA is mixed with the PVC or PMMA or POM to optimize its optical, thermal and mechanical properties. In certain embodiments, the polymer is branched with optionally additives that improve properties. Methods of making the compositions of the invention are also described. The invention also includes articles, films and laminates comprising the compositions.

Abstract: Optical preforms and methods for forming optical preforms are disclosed. According to one embodiment, a method for producing an optical preform includes compressing silica-based glass soot to form a porous optical preform comprising a soot compact. The porous optical preform is heated to a dwell temperature greater than or equal to 100° C. Thereafter, the porous optical preform is humidified at the dwell temperature in a water-containing atmosphere having a dew point greater than or equal to 30° C. to form a humidified porous optical preform. The soot compact portion of the humidified porous optical preform generally comprises greater than or equal to 0.5 wt. % water.

Abstract: In a known composite material with a fused silica matrix there are regions of silicon-containing phase embedded. In order to provide a composite material which is suitable for producing components for use in high-temperature processes for heat treatment even when exacting requirements are imposed on impermeability to gas and on purity, it is proposed in accordance with the invention that the composite material be impervious to gas, have a closed porosity of less than 0.5% and a specific density of at least 2.19 g/cm3, and at a temperature of 1000° C. have a spectral emissivity of at least 0.7 for wavelengths between 2 and 8 ?m.

Abstract: The present invention provides a novel separator which has a high heat resistance property and excels in flexibility, and a fabrication method of the separator. The present invention relates to a separator for an electrochemical element consisting of a porous base material containing inorganic fibers and an organic substance, wherein a part or all of the inorganic fibers are covered with the organic substance, and the inorganic fibers are bound through the organic substance.

Abstract: A hybrid fibre mat comprises glass fibres, polymer fibres and binding agents, the glass fibres having a mean diameter of between 6 and 13 ?m and a mean length of between 6 and 15 mm, the polymer fibres being staple fibres having a mean fineness of between 0.2 and 0.6 dtex and a mean length of between 2 and 4 mm and the percentage by weight of the polymer fibres being between 5 and 20% of the dry fibre mat. Such a hybrid fibre mat being suitable in particular as a covering for interior elements, a ceiling panel or other interior cladding elements and, provided with an impregnation (for example plastisol), in particular as a structural layer of a cushioned vinyl floor covering.

Abstract: In one example, a method includes mixing a plurality of carbon fibers in a liquid carrier to form a mixture, depositing the carbon fiber mixture in a layer, forming a plurality of corrugations in the carbon fiber layer, and rigidifying the corrugated carbon fiber layer to form a corrugated carbon fiber preform. In another example, a method includes substantially aligning a first ridge on a first surface of a first corrugated carbon fiber preform and a first groove on a first surface of a second corrugated carbon fiber preform, bringing the first surface of the first corrugated carbon fiber preform into contact with the first surface of the second corrugated carbon fiber preform, and densifying the first corrugated carbon fiber preform and the second carbon fiber preform to bond the first corrugated carbon fiber preform and the second carbon fiber preform.

Abstract: Micro-fibrillated cellulose nanofibers (or other suitable fibrillated organic polymer nanofibers) are dispersed with ceramic particles (such as alumina or silica powder) in water suspension and formed into a suitable porous mat shape by wet-laying the suspension on a suitable mesh structure. After removal of the mat from the mesh and drying, the suitably proportioned cellulose nanofibers/ceramic powder composite may be coated with a thin porous polymer layer to further fix the particles between the fibers and strengthen the resulting composite membrane for use as a separator layer between the electrode layers of an electrochemical cell. The strength and temperature resistance of the composite separator layer make it particularly useful in lithium-ion batteries for vehicle traction motors.

Abstract: This invention provides a fuel cell flow field plate or bipolar plate having flow channels on faces of the plate, comprising an electrically conductive polymer composite. The composite is composed of (A) at least 50% by weight of a conductive filler, comprising at least 5% by weight reinforcement fibers, expanded graphite platelets, graphitic nano-fibers, and/or carbon nano-tubes; (B) polymer matrix material at 1 to 49.9% by weight; and (C) a polymer binder at 0.1 to 10% by weight; wherein the sum of the conductive filler weight %, polymer matrix weight % and polymer binder weight % equals 100% and the bulk electrical conductivity of the flow field or bipolar plate is at least 100 S/cm. The invention also provides a continuous process for cost-effective mass production of the conductive composite-based flow field or bipolar plate.

Abstract: The present invention relates to a method for preparing self-supporting flexible electrodes by a method that implements refined cellulose fibres as binder. It relates also to the negative or positive self-supporting flexible electrode obtained by such a method and an Li-ion battery in which at least one electrode is a self-supporting flexible electrode.

Abstract: A method for making a carbon nanotube film includes the steps of: (a) adding a plurality of carbon nanotubes to a solvent to create a carbon nanotube floccule structure in the solvent; (b) separating the carbon nanotube floccule structure from the solvent; and (c) shaping the separated carbon nanotube floccule structure to obtain the carbon nanotube film.

Abstract: Soy protein and carbohydrate containing binder compositions are described. The binder compositions may include a carbohydrate, a nitrogen-containing compound, and a soy protein. The binder compositions may also optionally include thickening agents such as modified celluloses and polysaccharides.

Abstract: A macroscale, self-supporting, composite laminate sheet includes individual, layered graphene oxide sheets and a polymer in spaces between the sheets. This composite product can be fabricated by combining a suspension of individual graphene oxide sheets and a solution of polymer, passing the resulting fluid through a fluid-permeable support, and assembling the graphene oxide sheets and polymer as a laminate sheet by flow-directed assembly. The laminate is dried and released from the membrane filter as a self-supporting thin films.

Abstract: Disclosed is a method of manufacturing a heat insulation wall body, by which the heat insulation wall body can be manufactured economically. The method is a manufacturing method of a heat insulation wall body having a groove portion formed by a first side wall, a second side wall and a groove bottom. The method includes dispersing and mixing a heat insulating material in an aqueous medium to prepare a slurried heat insulating material, bringing a molding die having a vent and a surface corresponding to a shape of the groove portion, into the obtained slurried heat insulating material, and dehydrating the slurried heat insulating material via the vent, and releasing the molding die from the heat insulating material to prepare the heat insulation wall body in which a depth of the groove portion is fixed, and a width of the groove bottom is varied in a longitudinal direction of the groove portion.

Abstract: The present invention provides a method for easily and efficiently manufacturing microfibrous cellulose composite sheets. The present invention is a method for manufacturing microfibrous cellulose composite sheets, including a preparation process in which a polymer emulsion is mixed with an aqueous suspension including microfibrous cellulose, thereby preparing a mixed fluid, a papermaking process in which the mixed fluid is dehydrated on a porous base material through filtration, and a sheet including moisture is formed, and a drying process in which the sheet including moisture is heated and dried. In addition, the present invention is a method for manufacturing a microfibrous cellulose composite sheet laminate, in which the microfibrous cellulose sheets are thermally compressed and thus laminated as they are or after being provided with a polymer layer on at least one surface thereof.

Abstract: A method of forming a three dimensional fiber structure is disclosed which comprises the steps of a) providing a starting material which comprises liquid carrier, fibers and binder; b) passing the starting material over a substrate so as to deposit fibers onto the substrate; c) forming a three dimensional fiber matrix; and d) curing the binder. The flow of material onto the substrate may be controlled such that the flow of a starting material over the substrate is chaotic and fibers are laid down in a three dimensional structure containing a high proportion of voids. The preform may be pressurized while moist and is cured under pressure. The fibers may comprise carbon fibers; recycled carbon fiber has been found to be particularly useful. The resulting preform may be stochastic and is suitable for use in ablative and braking applications.

Abstract: A dried vitrigel membrane is produced by a method including the following steps of (1) a step of keeping a hydrogel in the inside of a wall surface mold with a shape the same as the desired shape disposed on a substrate, and discharging a part of free water within the hydrogel from a gap between the substrate and the wall surface mold; (2) a step of removing the wall surface mold from the top of the substrate; (3) a step of drying the hydrogel to remove the residual free water, thereby fabricating a vitrified dried hydrogel; (4) a step of rehydrating the dried hydrogel to fabricate a vitrigel membrane; and (5) a step of redrying the vitrigel membrane to remove free water, thereby fabricating a vitrified dried vitrigel membrane.

Abstract: This invention relates to apparatus, kits and methods for the production of biomimetic constructs by plastically compressing a gel, such as a collagen gel, in a well using a plunger, which may be porous. The apparatus, kits and methods allow biomimetic constructs to be produced in a controlled and reproducible manner and are suitable for the production of multilayered constructs.

Abstract: The present invention refers to a method of fabricating a membrane made of a nanostructured material and its use.

Abstract: A method for forming a transparent ceramic preform in one embodiment includes forming a suspension of oxide particles in a solvent, wherein the suspension includes a dispersant, with the proviso that the suspension does not include a gelling agent; and uniformly curing the suspension for forming a preform of gelled suspension. A method according to another embodiment includes creating a mixture of inorganic particles, a solvent and a dispersant, the inorganic particles having a mean diameter of less than about 2000 nm; agitating the mixture; adding the mixture to a mold; and curing the mixture in the mold for gelling the mixture, with the proviso that no gelling agent is added to the mixture.

Abstract: An apparatus for forming desired patterns on ceramic tile from a slurry comprising: a means for preparing a slurry; at least one slurry holding tank for holding at least one type of slurry; at least one pattern forming tray; at least one means for connecting said at least one tank to at least one pattern forming tray and a filter pressing unit; wherein the pattern forming unit dispenses a predetermined type, amount, colors of slurry at a predetermined order into the pattern forming tray to form a desired pattern, said slurry with desired pattern is pressed with the filter pressing unit to form ceramic tiles or slabs with a desired pattern running though its entire thickness.

Abstract: The present invention relates to a holding material for a catalyst converter, where the catalyst converter contains a catalyst carrier having a cross-section of a flattened shape, a metal casing to which the catalyst carrier is received, and the holding material attached to the catalyst carrier and interposed in a gap between the catalyst carrier and the metal casing, in which the holding material has a first part positioned in a minor axis direction of a cross-section of the catalyst carrier and having a high basis weight, a second part positioned in a major axis direction of the cross-section of the catalyst carrier and having a low basis weight, and a third part having a basis weight gradually decreased toward the second part from the first part.

Abstract: To provide a reliable solid-liquid separating method and apparatus for a slurry, even though the solid component of the slurry is finely divided particles and/or of a shape difficult to entangle, without exudation through gaps in processed portions and, also, with no need to exercise a maintenance work such as replacement of filters, a solid-liquid separating apparatus includes a mold having a cylindrical inner peripheral surface, a gate for opening and closing a second open end of the mold, and a pressing rod slidable into the mold to compress the slurry. Sheet-like fibrous filters are placed on a leading end face of the pressing rod and an inner surface of the gate to seal gaps between the mold and the pressing rod and between the gate and mold. With the filters so placed, the slurry within the mold unit is compressed to provide a solidified product, thereby accomplishing solid-liquid separation.

Abstract: The invention provides a method for forming a fibrous layer within a tubular support, which comprises the steps of: (a) providing the tubular support; (b) providing forming mesh over the curved surface of the support and closing its ends against escape of fluid; and (c) introducing fibrous slurry (e.g. an aqueous slurry of borosilicate glass microfibers and water dispersible heat curable acrylic resin at a pH of about 3) from a pressurized source into an annular molding space between a rotary molding torpedo and an inner surface of the support, the torpedo having at least one channel for slurry opening along a curved surface thereof, fibers in the slurry collecting within the forming mesh to form the layer.

Abstract: A humidity-controlling building material, which is produced by subjecting a molded product obtained by dehydration pressing a kneaded product of a hydraulic composition comprising an autoclaved lightweight aerated concrete powder and cement, and water; to autoclave curing, wherein a volume of pores with a diameter of 0.1 ?m or more is 0.1 to 0.25 cc/g and a pore volume resulting from subtracting a volume of pores with a diameter of 0.1 ?m or more from a total pore volume is 0.2 to 0.5 cc/g exhibits remarkably excellent performance in terms of both strength and moisture absorption and desorption performance.

Abstract: A method of molding a micro-fibrous filter including the steps of: (a) forming an aqueous slurry of micro-fibers; (b) introducing the slurry under pressure into the top of an annular molding space so that a mass of fibers becomes compacted on a vertical cylindrical screen and liquid is discharged from the molding space through the screen; (c) increasing the effective open area of the screen by moving upwardly a sleeve in sliding contact with the screen at a rate substantially equal to the rate at which the height of the mass of fibers increases above the support; then (d) removing, drying, and curing the resulting tubular mass of fibers. Acrylate binder resin compatible with the e.g. acidic conditions needed to stabilize the resin, can form part of the fiber slurry used for molding the filter, and after filter formation and drainage can be cured by heat to form the filter.

Abstract: The present invention provides exterior building products, such as roofing and siding, shake, shingles, siding, sheathing, panels, planks, vertical siding, soffit panels, fencing, decking, fascia, corner posts, column corners and trim boards in which a plurality of cementitious layers are provided with an improved interlaminar bond by employing a resinous bond promoter, a rheological agent, mechanical means to distribute fibers in a direction which is perpendicular to the machine direction so as to bridge between layers in the product, or a combination thereof. These techniques help to increase interlaminar bond strength to improve the mechanical properties of the product. When certain resinous bond promoters are used, the additional benefits of water absorption resistance and pigmentation throughout the product can be provided with minimal expense. Improvements in interlaminar bond strength of about 10 46% were observed with a percent elongation improvement of about 7%.

Abstract: A molded garment hanger (10, 110) having the form of a generally planar unitary item with a hook (14, 114) or eye integral with a pair of hanger arms (12, 112), said hanger being composed of a single constituent material that is either bagasse or empty palm tree fruit bunches (EFB) that has been subjected to wet process thermoforming by which the material's moisture content is removed (e.g. extracted and/or expressed) whilst the material is subjected to a molding pressure and is being dried, said process providing the molded hanger as a lightweight mono-layer construction, i.e. with an overall weight less than 45 g (preferably of the order of 25 g to 35 g), with a mono-layer thickness less than 1.5 mm (preferably in the range 1 mm to 1.5 mm), and such as to be rapidly biodegradable, i.e. to be capable of total bio-degradation by composting in less than 12 weeks.

Abstract: The present invention is directed to a method comprising a) placing wet ceramic greenware body on a carrying structure, and b) exposing the wet ceramic greenware body to conditions such that the liquid carrier in the ceramic greenware body is substantially removed; wherein the carrying structure contains a carrying sheet comprising a material which retains its shape under drying conditions, the carrying sheet having two flat parallel faces and a plurality of walls perpendicular to the flat parallel faces wherein the walls form a plurality of flow passages communicating between the two faces wherein the largest distance between any two walls in the carrying sheet is about 6 mm or less and the walls have a sufficient thickness to support the wet ceramic greenware body under drying conditions without deforming and the area of the flow passages measured parallel to the two faces is from about 60 to about 90 percent by volume.

Abstract: A non-woven material, that can be formed into an acoustic ceiling tile, is provided. The material includes a substantially planar and self-supporting core of an inorganic base fiber and a synthetic thermal bonding fiber. The synthetic thermal bonding fiber preferably has an increased bonding surface area that improves adhesion and porosity to provide a base mat or core with a low density to provide sound absorption required by an acoustic ceiling tile.

Abstract: A plurality of hard particles 102 is arranged in a mold 302 which suppresses movement of the hard particles 102 so as to be close to each other, and the hard particles 102 arranged in the mold 302 are fixed with resin 103, thereby forming a friction surface 101. Therefore, a pad 100a in which the plurality of hard particles 102 is arranged on the friction surface 101 can be more easily manufactured.

Abstract: A macroscale, self-supporting, composite laminate sheet includes individual, layered graphene oxide sheets and a polymer in spaces between the sheets. This composite product can be fabricated by combining a suspension of individual graphene oxide sheets and a solution of polymer, passing the resulting fluid through a fluid-permeable support, and assembling the graphene oxide sheets and polymer as a laminate sheet by flow-directed assembly. The laminate is dried and released from the membrane filter as a self-supporting thin films.

Abstract: According to one embodiment, a method for forming a transparent ceramic preform includes forming a suspension of oxide particles in a solvent, adding the suspension to a mold of a desired shape, and uniformly curing the suspension in the mold for forming a preform. The suspension includes a dispersant but does not include a gelling agent. In another embodiment, a method includes creating a mixture without a gelling agent, the mixture including: inorganic particles, a solvent, and a dispersant. The inorganic particles have a mean diameter of less than about 2000 nm. The method also includes agitating the mixture, adding the mixture to a mold, and curing the mixture in the mold at a temperature of less than about 80° C. for forming a preform. Other methods for forming a transparent ceramic preform are also described according to several embodiments.

Abstract: Disclosed is a target for isotope production, that comprises a porous, nanostructured material with structure elements having in at least one dimension an average size of 700 run or less, preferably 500 nm or less and most preferably 150 nm or less, said nanostructured material comprising one Of Al2O3, Y2O3 and ZrO2.

Abstract: A method of fabricating a highly porous structure is provided. The method includes the step of compounding a biodegradable polymer, a water-soluble polymer and a porogen to form a composite blend. A foaming agent is dissolved into the composite blend and the composite blend is injected into a mold so as to form the structure. Thereafter, the structure is removed from the mold and leached in a fluid.

Abstract: A method of making a transparent ceramic including the steps of providing nano-ceramic powders in a processed or unprocessed form, mixing the powders with de-ionized water, the step of mixing the powders with de-ionized water producing a slurry, sonifing the slurry to completely wet the powder and suspend the powder in the de-ionized water, separating very fine particles from the slurry, molding the slurry, and curing the slurry to produce the transparent ceramic.

Abstract: A process for manufacturing fiberboard by preparing a fiber slurry mixture including containing cellulose fibers and water then atomizing a liquid bituminous material, such as asphalt. The liquid bituminous material is atomized by mixing it with a pressurized gas, such as compressed air, forming a mist comprising droplets of bituminous material having a diameter between 20 microns and 50 microns. A water spray solidifies the bituminous material droplets thereby forming bituminous particles which fall into the fiber slurry within the spray chamber. From there the slurry is sheared, dewatered, and dried, forming a finished fiberboard.

Abstract: A ceramic component is provided, including a ceramic body containing silicon carbide, and an oxide layer provided on the ceramic body, the oxide layer being formed by oxidizing the ceramic body in the presence of alumina having a submicron particle size.

Abstract: A method for forming a gypsum slurry comprises the steps of combining gypsum and water to form a slurry, combining cellulose ether with at least a second material configured to delay solubilization of the cellulose ether, and adding the combined cellulose ether and at least a second material to the slurry.

Abstract: Processes for producing blends of a first polymer component and a second polymer component are provided. The first polymer component and the second polymer component are blended in an internally agitated mixer such as a devolatizer in the presence of at least one solvent. Blending the polymers in this manner results in an intimate mixing of the first and second polymers, providing beneficial performance characteristics. In one embodiment, the first polymer incorporates at least 75 wt. % of propylene-derived units wherein the propylene-derived units have an isotactic triad fraction of about 65% to about 99% and wherein the first polymer has a heat of fusion of less than 75 J/g. In this embodiment, the second polymer is selected from polypropylenes, low density polyethylenes, high density polyethylenes, polystyrenes, polyamides, polycarbonates, and polyesters.

Abstract: An embedment device for use in a cementitious panel production line such as a structural cementitious panel (SCP) production line wherein hydraulic cement slurry is transported on a moving web on a support frame, and chopped fibers are deposited upon the slurry. The device includes as one embodiment, a wire grid structure mounted on a reciprocating shaft driven by a piston which moves the grid down into the slurry and then up out of the slurry transverse of the travel of the slurry layer on the web. An alternative embodiment device includes a grid cell structure with thin walls extending upward from the grid surface in contact with the slurry that is moved up and down in a reciprocating motion transverse of the travel of the slurry layer on the web. The intermeshing relationship of the grid cell with the fiber and slurry enhances embedment of the fibers into the slurry and also prevents clogging of the device by fibers and prematurely set slurry particles.