Class / Patent application number | Description | Number of patent applications / Date published |
156180000 | Of filamentary material only to form article | 30 |
20090071593 | Pultrusion Apparatus and Method - A method and apparatus for pultrusion of polyurethane resin is provided. The method comprises impregnating fibres with polyurethane resin to produce polyurethane impregnated fibres, and then pulling the polyurethane impregnated fibres through a pultrusion die. The pultrusion die defines a pultrusion path with a heated reaction zone of from about 20 to about 60 cm in length. The apparatus comprises a pultrusion die in combination with a polyurethane resin, the pultrusion die comprising, a body defining a pultrusion path with a heated reaction zone from about 20 to about 60 cm in length. | 03-19-2009 |
20090266476 | METHOD AND APPARATUS OF JOINTING CORD FABRIC AND JOINTING HOLDER IN CALENDER LINE - The invention enables easy jointing of cord fabric performed when cord fabric (F) for topping is alternately drawn from two supply positions (P | 10-29-2009 |
20100065192 | Method and System For Forming Composite Geometric Support Structures - A method and system for fabricating a geometrically versatile composite lattice support structure having a seamless three-dimensional configuration. The lattice support structure is created by forming two or more cross supports, such as helical, longitudinal, circumferential and/or lateral cross supports, which intersect to form a plurality of multi-layered nodes. The lattice support structure may be designed without any protrusions extending outward from the overall geometry, thus enabling efficient tooling, and thus enabling ease of mass production. The lattice support structure may comprise a completely circumferentially closed geometry, such as a cylinder, ellipse, airfoil, etc. The method for fabricating the lattice support structure comprises laying up a fiber material, in the presence of resin, within rigid channels of a rigid mold, thus creating a green, uncured three-dimensional geometry of unconsolidated cross supports and multi-layered nodes where these intersect. Subjecting these to a curing system functions to consolidate the cross supports and multi-layered nodes to produce the composite lattice support structure. | 03-18-2010 |
20100101707 | SYSTEM, METHOD AND APPARATUS FOR MAKING TAPERED LOOPED SUTURE - A system and method for forming a looped suture having a tapered cut is provided. The system includes a base for selectively retaining a portion of thread, a clamping device for receiving a first end of the thread, a tensioning device for receiving a second end of the thread, and a welding/cutting assembly configured to join a first section and second section of the thread to form a loop and to form a tapered end on the first section of the thread. A die for forming a looped suture having a tapered cut is also provided. | 04-29-2010 |
20100170628 | FIBER BUNDLE ARRANGING DEVICE AND FIBER BUNDLE ARRANGING METHOD - A fiber bundle arranging device is provided that laminates fiber bundle layers formed of a fiber bundle. The fiber bundle is engaged with arranged pins to have straight parts. The device includes a press roller and a first moving device. The press roller includes a peripheral portion. The peripheral portion of the press roller depresses the straight parts of the fiber bundle engaged with the pins toward the roots of the pins in the vicinity of the pin. The first moving device moves the press roller in the arrangement direction of the pins such that the peripheral portion sequentially intersects the straight parts of the fiber bundle. The peripheral portion is located in the front of the press roller in the moving direction, and the press roller is moved to sequentially intersect the straight parts of the fiber bundle while being inclined such that, toward the front end in the moving direction of the press roller, the distance from the roots of the pins in the laminating direction of the fiber bundle layers increases. | 07-08-2010 |
20100181012 | METHOD FOR THE MANUFACTURE OF A COMPOSITE CORE FOR AN ELECTRICAL CABLE - A method for the manufacture of a composite core for an electrical cable. The method may include pulling carbon fiber tows and glass fiber tows through a composite core processing system. The carbon fiber tows and the glass fiber tows are contacted with a resin, such as a thermosetting resin, to impregnate the fiber tows with the resin. The glass fiber tows are disposed on the outside of the carbon fiber tows to form a glass fiber layer around the carbon. The resin is then cured to form the composite core, which is adapted for use in an electrical transmission and distribution cable. | 07-22-2010 |
20110108188 | TAPE INSTALLATION DEVICE AND METHOD FOR THE CONSTRUCTION OF A LAMINATE - The present invention creates a tape laying device as well as a method for the construction of a laminate by means of a tape laying device, in particular in the field of aviation and aerospace. The tape laying device comprises a laying arrangement for laying tape for the construction of a laminate and a stimulation arrangement by means of which the tape which has to be laid can be stimulated directly and evenly over the thickness thereof so as to be heated. The idea the present invention is based on consists in that instead of the stimulation at the surface of the tape which has to be laid which is known to the Applicant a direct and evenly stimulation of the tape which has to be laid takes place, that means, a stimulation which acts substantially direct and evenly over the thickness of the tape which has to be laid on the tapes components. The heating achieved by this is much faster than by means of convection according to the known approach. Therefore, the desired tackiness of the tape which has to be laid can be achieved at the desired high laying velocity. | 05-12-2011 |
20110114253 | PROCESS FOR PRODUCING COMPONENTS - A process for producing hollow fiber-reinforced components includes impregnating fibers with an impregnating material, preorienting the impregnated fibers, passing the pre-oriented fibers through a heated extrusion die to cure the impregnating material and to form a hollow profile and detaching segments from the hollow profile. The process further includes placing a separating film between the impregnated fibers at one position of the hollow profile prior to curing. The separating film prevents the fibers from bonding as the impregnating material is cured. A segment produced in this way is swung open at the position of the separating film. A subassembly is positioned inside the swung-open segment and then adjacent portions of the segment are permanently bonded together. | 05-19-2011 |
20120012242 | METHOD AND SYSTEM FOR MATERIAL PLACEMENT OVER RADIUSED EDGES - A system and method for placement of a strip of material onto a three-dimensional surface having a first face and a second face, with a first radiused edge connecting the first face with the second face. The method may comprise placing one or more strips of material onto the three-dimensional surface along a predefined path requiring various amounts of steering of the strip of material. The method may specifically involve steering the strip of material by a first amount on the first face, steering the strip of material by a second amount on the first radiused edge, and steering the strip of material by a third amount on the second face. The first and/or third amounts may be greater than or equal to the second amount, limiting the amount of steering as the material transverses the first radiused edge. | 01-19-2012 |
20130248087 | PROCESS FOR PRODUCING FIBROUS MATERIAL PRE-IMPREGNATED WITH THERMOSETTING POLYMER - A method for producing a fibrous material including carbon fibres or glass fibres or plant fibres or polymer-based fibres, that are used alone or in a mixture, and are impregnated by a thermohardenable polymer using a mixture containing a hardener and carbon nanofillers, such as carbon nanotubes (CNT). A mixture containing said nanofillers, such as CNTs, and the hardener is used to introduce said nanofillers into the fibrous material. A continuous production line (L) for producing the material in the form of at least one calibrated and homogeneous strip ( | 09-26-2013 |
20140138016 | METHOD FOR FORMING CUSHIONS - A method for forming cushions including the following four steps: (1) a compression step in which the structure ( | 05-22-2014 |
20140367031 | METHOD FOR TRANSVERSELY DEPOSITING FIBERS - The invention relates to a method for depositing one- or two-dimensional fiber structures in order to form a two- or three-dimensional fiber structure, in particular a fiber structure in the form of a fiber-reinforced plastic (FRP) or FRP semi-finished product, using a production machine including at least one depositing device and at least one fiber support. The one- or two-dimensional fiber structures have at least one unidirectional fiber layer. The depositing device deposits the one- or two-dimensional fiber structures onto the fiber support in a depositing direction in a controlled manner such that the fiber directions of the deposited one- or two-dimensional fiber structures assume an angle α>20°, preferably α>60°, and a maximum of α=90°, relative to the depositing direction. The one- or two-dimensional fiber structures are deposited on the fiber support in a substantially tension-free manner with respect to the fiber direction of the fiber structures. | 12-18-2014 |
20150129116 | CRASH-RESISTANT STRUCTURAL PART FOR AUTOMOBILE AND MANUFACTURING METHOD THEREOF - A method of manufacturing a crash-resistant structural part for an automobile, the crash-resistant structural part including a beam element for receiving an impact force during a crash of the automobile is provided. The method comprises a step of arranging at least one layer of fibers having a length of 100 mm or more, and a step of mixing components required to form a thermoplastic polymer resin, the components including a reactive monomer, thereby forming a liquid precursor mixture of the thermoplastic polymer resin. At least one layer of fibers is impregnated with the liquid precursor mixture, and the beam element is formed by an in-situ polymerization reaction of the liquid precursor mixture having impregnated the at least one layer of fibers. | 05-14-2015 |
20160052203 | METHOD FOR PRODUCING FIBER-REINFORCED RESIN BONDED BODY - First and second composite members each containing first discontinuous fibers of fiber length La, are placed such that end surfaces thereof face each other at an interval of first length L | 02-25-2016 |
156181000 | Article is sheet or web | 16 |
20090014115 | Nonwoven fabric and method and apparatus for manufacturing same - An apparatus for fabricating a unique nonwoven fabric which has the appearance of a woven fabric includes a supply station for parallel warp yarns, a support structure for orienting the parallel warp yarns into a cylindrical orientation, a weft yarn applicator for wrapping weft yarns around the cylindrically oriented warp yarns after an adhesive scrim has been overlaid onto the warp yarns, a heating station for activating the adhesive and a cooling station for setting the adhesive, and a cutter for severing the cylindrically formed fabric laminate so that it can be flattened and wrapped onto a take-up roller. The weft yarn applicator including a rotating drum wherein a plurality of spools of weft yarn material are mounted in circumferentially spaced relationship and a tensioner is provided for applying the weft yarn material around the warp yarns in a predetermined tension which may be the same as, greater than, or less than the tension in the warp yarns. | 01-15-2009 |
20090050259 | Method for producing single- or multi-layer fiber preforms by the tfp process as well as a backing layer - Disclosed is a method for producing single- or multi-layered fiber preforms by the TFP process with fiber strands, which are aligned substantially such that they are oriented with the flux of force, are laid on a backing layer and are attached by fixing threads, in order to form a fiber preform with virtually any desired material thickness and without a troublesome backing layer. A release layer is applied at least in certain regions to the backing layer and, after completion of the TFP process, the fiber preform is introduced into a fixing device, in which at least some of the fixing threads are melted by heat being supplied, and subsequently the backing layer, separated from the fiber preform by the release layer, is detached from the fiber preform. The fiber preforms formed by this method have a virtually optimum fiber structure without flaws along with virtually any desired material thickness and are predestined for the production of composite components for load-bearing components that have to withstand high mechanical loads. A backing layer for the production of a fiber preform as well as a fiber preform that is formed in accordance with this method are also disclosed. | 02-26-2009 |
20090071594 | Method of Inserting Z-Axis Reinforcing Fibers into a Composite Laminate - A method of inserting z-axis reinforcing fibers into a multi-layer composite laminate. Layers of material made up of z-axis fiber and y-axis fibers are automatically transported into a z-fiber deposition machine having a housing with upper and lower surfaces. Z-axis apertures are formed in the respective upper and lower surfaces. An elongated solid rod having a tapered front tip is aligned in close proximity to the aperture in the bottom surface. The rod is first rotated by a motor and then actuated upwardly completely through the thickness of the layer of x-y material by an actuator. A first hollow tube having a z-axis is axially aligned with the aperture in the top surface and a fiber bundle is threaded downwardly through a first hollow tube to a position adjacent its bottom end. The z-fiber deposition machine has structure to feed a predetermined length of the fiber bundle downwardly through the first hollow tube so that it follows the pathway in the x-y material formed by the rod which is now withdrawn downwardly through the aperture in the bottom wall. The z-axis fiber is thus deposited into the x-y material. The top end of the z-axis fiber is then severed and the x-y material is then advanced a predetermined distance to complete the cycle and is, thus, set to be repeated. | 03-19-2009 |
20090126860 | Prepeg pultrusion - Continuous pultrusion of prepreg material systems is provided. A prepreg material, comprising fibers infiltrated with a partially cured resin, is introduced into a pultrusion die with a barrier layer between surfaces of the prepreg material and facing inner surfaces of the die. The prepreg material and the barrier layers are continuously pulled through the pultrusion die. The barrier layer is removed from each surface of the prepreg material after exiting the die. | 05-21-2009 |
20090133814 | PRODUCING METHOD FOR NON WOVEN SILK FABRIC - This invention, the producing method for the non woven silk fabric, of the characteristics to include the major processes of obtaining the pure filaments from the silk worm cocoons, of beating the of the pure filaments and of evaporating the Korean abelmosk glue onto the surface of the sheets of the filaments beaten to make as the stable fibrous tissue of the non woven fabric is based on the idea to find out the new way of using the silk material otherwise than the conventional one as the woven fabric for thousands years. Such attempt could be met with solving the technical tasks of dis-organizing the natural non woven fabric of the cocoons itself and reorganizing it to the human needs. Eventually, we have come to get the non woven silk fabric, the new natural resources for the padding of the garments, the wall paper and the purifying filters, e.t.c | 05-28-2009 |
20090242104 | METHOD FOR PRODUCING FIBER COMPOSITE - The object of the present invention is to provide a method for producing a fiber composite excellent in lightweight and rigidity. The present method is one for producing fiber composite having a structure in which reinforcing fibers are bonded with a thermoplastic resin, is characterized in that said reinforcing fiber is at least one of a plant fiber and an inorganic fiber, and comprises a feeding process in which a thermally expandable capsule ( | 10-01-2009 |
20090260747 | Systems and Methods for Fabricating Biased Fabric - In one embodiment, a biased fabric is supplied. The biased fabric supply has a first specified width and a first bias angle of warp yarns relative to weft yarns. At least one overfeed roller configured to overfeed fabric from the biased fabric supply at an overfeed rate is provided. At least one spreading arm configured to stretch the fabric to a second specified width and a fabric oven configured to heat the biased fabric supply to a specified temperature and output a balanced crimp and/or elongation biased fabric are also provided. | 10-22-2009 |
20100288427 | PROCESS FOR PRODUCTION OF INORGANIC FIBER MATS - Provided is a method of producing an inorganic fiber mat, the method enabling efficient adhesion of an aldehyde scavenger to an inorganic fiber mat while preventing the aldehyde scavenger from scattering around. The method of producing an inorganic fiber mat includes a fiber collection step of applying a binder to inorganic fibers and accumulating in a mat-like shape on a conveyor line to form an inorganic fiber web, a binder-curing step of heat-curing the binder applied to the inorganic fiber web to form an inorganic fiber mat, and an aldehyde scavenger application step of applying an aldehyde scavenger to the inorganic fiber mat, in which the aldehyde scavenger application step involves spraying the aldehyde scavenger in a form of droplets having an average diameter of 1 to 50 μm on a front side of the inorganic fiber mat and sucking from a back side of the inorganic fiber mat. | 11-18-2010 |
20110011520 | METHOD OF MAKING A COMPOSITE SHEET - The invention relates to a method of making a composite sheet. A plurality of layers is first assembled, each layer being comprised of an untreated, unidirectional array of strands. The assembled layers are then placed adjacent one another to form an assembled sheet, with adjacent layers being in a non-parallel orientation, and without any of the layers having been treated with a matrix or binding component. The assembled sheet is then impregnated with a matrix component, which comprises a binding component and may also comprise a radiation-absorbing component. | 01-20-2011 |
20110240210 | PROCESSING APPARATUS FOR HOT-AIR TREATMENT OF FIBER CONSTITUTING NONWOVEN FABRIC TO PRODUCE NONWOVEN FABRIC, AND PROCESSING PROCESS FOR THE SAME - The present invention provides a processing apparatus and a processing method capable of producing a point-through-air nonwoven fabric wherein hot air is allowed to penetrate through spots of a web or a sheet-like material and fibers at the penetration site are heat-bonded. Specifically, the present invention provides a processing apparatus for hot-air treatment nonwoven fabric, comprising: a rotating running endless belt with holes, a hot-air blowing apparatus which blows out hot air from an internal side of the endless belt with holes toward an outer side thereof, and an endless belt for fiber conveyance which is arranged on a side opposite to the hot-air blowing side of the hot-air blowing apparatus across the endless belt with holes and rotates with passing the hot-air therethrough. | 10-06-2011 |
20120067509 | METHOD FOR FINISHED-RIB COMPACTING A THERMOPLASTIC COMPOSITE PART WITH CONTINUOUS FIBRES - A method for manufacturing a structural part including at least two wings extending in intersecting planes made of thermoplastic fiber-reinforced composite material including at least two plies of continuous fibers. The fibers extend from one wing to another. The method includes cutting the at least two plies in a fabric and/or a tape of fibers pre-impregnated with a thermoplastic resin; assembling the plies to create a preform; and compacting the preform to a final shape of the part by subjecting the preform to a defined cycle of temperature and pressure. A toolset can implement the method described above. Such a toolset includes a rigid punch and die such that closing the tool creates a sealed chamber in a shape of the part between the punch and the die. | 03-22-2012 |
20120180939 | APPARATUS AND METHOD FOR MANUFACTURING THREE-DIMENSIONAL NETTED STRUCTURE - An apparatus for manufacturing a three-dimensional netted structure, the three-dimensional netted structure including a plurality of filaments of resin, the filaments being helically and randomly entangled and thermally bonded together, the apparatus including: an extrusion molding machine including a plurality of dies each having a mouthpiece with a plurality of holes; a pair of endless conveyors provided with endless members; a motor adapted to drive the endless members; and a tank adapted to partly submerge the endless conveyors therein. A method of manufacturing a three-dimensional netted structure using the apparatus by extruding molten filaments of a thermoplastic resin downward from the dies via the mouthpiece, helically entangling the molten filaments by entangling actions of the endless members, and cooling the entangled filaments in a liquid in the tank. | 07-19-2012 |
20140158288 | POLYMERIC FIBER WEBS WITH BINDER COMPRISING SALT OF INORGANIC ACID - Provided are nonwoven polymeric fiber webs using an improved curable composition. Such curable composition comprises an aldehyde or ketone and an amine salt of an inorganic acid. The composition when applied to polymeric fibers is cured to form a water-insoluble polymer binder which exhibits good adhesion and thermodimensional stability. | 06-12-2014 |
20140299260 | Method for Producing an Endless Semi-Finished Product with at least an Inclined Reinforced Layer - The invention refers to a method for manufacturing a continuous semi-finished product (HZ) to produce machined parts, whereby the semi-finished product (HZ) has at least one obliquely reinforced layer (SVS) that has a polymer matrix and reinforcing fibers (VF) embedded therein, in which case the reinforcing fibers (VS) of the at least one obliquely reinforced layer (SVS) run obliquely to the longitudinal direction (LR) of the semi-finished product (HZ), in which case the at least one obliquely reinforced layer (SVS) is continuously manufactured through the following steps:
| 10-09-2014 |
20160096286 | Die and Method for Impregnating Fiber Rovings - A die and method for impregnating at least one fiber roving with a polymer resin are disclosed. In one embodiment, the die includes an impregnation section including an impregnation zone configured to impregnate the roving with the resin, the impregnation zone including a plurality of contact surfaces. The die further includes a perturbation positioned on at least one of the plurality of contact surfaces, the perturbation configured to interact with the roving. In one embodiment, the method includes coating a fiber roving with a polymer resin. The method further includes traversing the coated roving through an impregnation zone to impregnate the roving with the resin. The impregnation zone includes a plurality of contact surfaces. The method further includes interacting the coated roving with a perturbation positioned on at least one of the plurality of contact surfaces. | 04-07-2016 |
20160114500 | Method and apparatus for producing a carbon-fiber-reinforced polymers additiuonally reinforced by alumina nanofibers - Carbon-fiber-reinforced polymers are composite materials. In this case the composite consists of two parts; a matrix and a reinforcement. In CFRP the reinforcement is carbon fiber, which provides the strength. The matrix is usually a polymer resin, such as epoxy, to bind the reinforcements together. Because CFRP consists of two distinct elements, the material properties depend on these two elements. In accordance with one aspect of the invention, there is provided a method and apparatus for producing carbon-fiber-reinforced polymers, wherein the polymer resin used in their manufacture is additionally reinforced by unidirectionally oriented pre-dispersed alumina nanofibers. The aforesaid process is well suited for industrial-scale production of the carbon-fiber-reinforced polymers. In one or more embodiments, the production process involves dispersing alumina nanofibers in the polymer resin, such as epoxy, and using the resulting alumina nanofiber-reinforced polymer resin in the production of the carbon-fiber-reinforced polymers. | 04-28-2016 |