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7628942 |
Resin infiltration transfer technique
A process has been developed for fabricating composite structures using either reaction forming or polymer infiltration and pyrolysis techniques to densify the composite matrix. The matrix and...
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7625510 |
System, method, and apparatus for production-worthy, low cost composite tool fabrication
Composite tooling is fabricated with low cost dry fabrics and a neat resin instead of expensive prepregs. Dry, three-dimensional woven joint preforms are placed on a dry tool substrate and dry, 3D...
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7615171 |
Composite wheel and method for manufacturing the same
A composite wheel and a method of manufacture is provided for a vehicle wherein the composite wheel has a first and second section mounted to an annular mount. At least one of the first wheel...
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7603776 |
Method for manufacturing a rim
A rim and a method for manufacturing a rim in particular for bicycles in which first a rim body is manufactured having a hollow space with a radially outer and a radially inner hollow-space wall....
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7601288 |
Method of fabricating a lug on a structural element of composite material, in particular a connecting rod
The invention provides a method of fabricating a lug on a structural element of composite material made at least locally out of a stack of primary plies of composite fibers defining at least one...
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7601287 |
Method and apparatus for preform consistency
According to one embodiment of the present invention a method of creating a composite with an object having a central axis is provided which comprises wrapping a first fabric layer around the...
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7601654 |
Molded ballistic panel with enhanced structural performance
Ballistic resistant composites and articles formed therefrom for use in airplanes and other vehicles which meets particular structural, impact and ballistic requirements. An aerospace-specification...
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7597830 |
Method of forming catheter distal tip
Catheters such as guide catheters can include a reinforcing braid layer and distal tips in which the reinforcing braid layer does not extend into the distal tip. Such catheters can be formed via a...
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7588711 |
Method for forming a composite support beam
A method of forming a support beam is provided. One exemplary method of forming a support beam includes supporting a C-shaped charge upon a first forming tool and placing an additional composite...
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7581932 |
Method of manufacturing a composite turbomachine blade, and a blade obtained by the method
The invention relates to a method of manufacturing a composite turbomachine blade, the method comprising the following steps:
a) making a preform by three-dimensionally weaving yarns...
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7566376 |
Pressure container manufacturing method
A pressure container manufacturing method for manufacturing a pressure container by forming an outer shell made of a fiber reinforced composite material on a periphery of a liner, by: preparing a...
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7560060 |
Molded safety seat
A safety seat comprising a unitary molded shell having a “bucket-seat” shape and a safety restraint system integral to the shell. The molded unitary shell has a bottom portion and a back...
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7537827 |
Prepreg laminates
The present invention relates to a prepreg laminate, constructed from a first prepreg; a second prepreg; and a thermoplastic layer therebetween. In the inventive laminate, at least one of the first...
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7527757 |
Method of producing polyimide matrix composite parts
The invention relates to a method of producing rectifier parts which are made from a laminate composite material comprising reinforcing fibers that are embedded in a heat-polymerized polyimide...
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7527854 |
Process for the manufacture of a ballistic-resistant moulded article
The invention relates to a process for the manufacture of a ballistic-resistant molded article in which a stack of monolayers is formed, each monolayer containing unidirectionally oriented...
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7513769 |
Apparatus and methods for forming composite stiffeners and reinforcing structures
A method and apparatus are provided for forming elongated composite structural members with a desired cross-sectional geometry as taken transverse to the length of the member. An apparatus may...
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7488437 |
Methods for assembling prepreg stacks having exact weight for producing SMC components
A method for manufacturing SMC components from an appropriately adapted amount of a fibrous reactive synthetic resin which is provided in the form of defined blanks of prepregs. The prepregs are...
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7473385 |
Method for manufacturing windmill blades
A method for making a windmill blade is provided, whereby problems with glue joints and with exposure of the workers to environmentally hazardous substances are avoided. This is effected by making...
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7419627 |
Co-cured vacuum-assisted resin transfer molding manufacturing method
According to one embodiment of the invention, a co-cured vacuum-assisted resin transfer molding manufacturing method includes providing a tool base, disposing a prepreg skin panel outwardly from...
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7413694 |
Double bag vacuum infusion process
The double bag vacuum infusion process of the present invention provides a low cost method for producing complex composite assemblies without an autoclave. It also enables the production of highly...
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7407620 |
Method for making bicycle frames
A method for making bicycle frames includes a step of preparing a seat tube and a head tube and both of which are then put in concavities of two first movable mold parts on a base board. A top tube...
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7407619 |
Method for making bicycle frame by composite material
A method for making bicycle frames includes a step of preparing initial parts by carbon-fiber sheets and inflatable bladders are inserted into the initial parts which are then arranged to a desired...
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7402269 |
Environmentally stable hybrid fabric system for exterior protection of an aircraft
A method of forming an exterior surface protective structure ( 12 ) for an aircraft ( 10 ) includes uniting a loaded surfacer ( 52 ) having a carrier ( 51 ) to a hybrid prepreg substrate ( 32 )....
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7393486 |
Header for module of hollow fiber membranes and method of potting hollow fibers
Hollow fiber membranes are potted by injection molding a thermoplastic material into a cavity containing the fibers. The cavity is formed in part by the interaction of a mold and a layer of an...
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7374715 |
Co-cured resin transfer molding manufacturing method
According to one embodiment of the invention, a co-cured resin transfer molding manufacturing method includes providing a tool having one or more tooling details and disposing one or more preforms...
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7368073 |
Repair method
In a method for filling pores between two adjacent layers of a laminate for a component with high demands upon strength and comprising several layers of fibre composite having within each layer...
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7335012 |
Apparatus for fabricating reinforced composite materials
A mold tool for forming a reinforced matrix composite part for a gas turbine engine, comprising a body. The body comprises a body surface capable of receiving a first portion of a composite...
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7332115 |
Composite material for vehicle hulls and a hull molding process
A composite material for vehicle hulls and a hull molding process comprising a gel coat, a skin coat, a bulk fiberglass layer and adhesive applied to a top mating surface and a bottom mating...
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7306450 |
Apparatuses, systems, and methods for manufacturing composite parts
Tooling aids for applying pressure in laminating, and methods for their use, are described herein. In one embodiment, a caul for applying pressure in laminating includes a base portion positioned...
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7281754 |
Flexible panel system
A racing vehicle has a plurality of molded body panels. Certain ones of the molded body panels are made with pre-impregnated filler reinforced fiberglass material. A first layer of pre-impregnated...
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7273575 |
Method of making a composite riser
A composite riser for an archery bow formed from fibers embedded in resin in such a way that resin rich areas, dry fibers and voids are eliminated, providing consistent risers of high quality. The...
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7258828 |
Infusion joining of composite structures
A method of joining two components utilizes a fibrous preform at the joint. The preform has two lateral portions and a longitudinally extending flow path. The preform is sandwiched between the two...
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7255822 |
Process for manufacturing a composite sheet
A method of manufacturing a composite sheet includes perforating a reinforcement panel. A mold surface onto which the composite sheet may be formed is provided. At least one outer coat of material...
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7255761 |
Stitch-bonded and gathered composites and methods for making same
Disclosed herein is a composite comprising at least one heat shrinkable adhesive layer stitch-bonded with yarns, which shrink less than the adhesive layer or do not shrink, when the adhesive layer...
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7226559 |
Method for molding structures
A method for molding composite structures whereby a material stack including a core having first and second opposing sides is prepared. The preparing of the material stack includes applying a...
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7214337 |
Foam core in-line skate frame
A method of constructing a skate frame for an in-line skate is provided. The method includes forming a first skin on a mold and positioning core material on the first skin so that the core material...
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7208115 |
Method of fabricating a polymer matrix composite electromagnetic shielding structure
An exemplary method of manufacturing a polymer matrix composite electromagnetic shielding structure includes pretreating a dry fiber reinforcement with a composition including a carrier and a...
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7201861 |
Method for injecting resin in a mould containing a fibrous preform
To produce a large-size item using the RTM technique, only two reservoirs ( 16 a, 16 b ) are used which are alternately connected to the mould ( 10 ). When one of the reservoirs is empty, it is...
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7198739 |
Manufacture of thick preform composites via multiple pre-shaped fabric mat layers
Preform for carbon-carbon composite part ( 55 ) comprising multiple layers of fibrous mats ( 51, 52, 53 ) wherein each mat ( 51, 52, 53 ) comprises random carbon-containing fibrous matrix ( 11 )...
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7197177 |
Automated laminate inspection method
An optical scanner scans a piece support of know thickness holding a cross-section of laminate material such as fiber composite laminate, metal laminates, brazed parts, welded parts, sandwiched...
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7179517 |
Sheet moulding compound (SMC) with ventilating structure for entrapped gases
Moulding material comprising a core layer, a reinforcement layer provided on each surface of said core layer, and a layer of a surfacing material provided on a reinforcement layer. The core layer...
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7169343 |
Method of molding a reinforced nodal structure
A machine and method for moulding a composite of complex nodal structure includes laying down under CNC a reinforcement ( 38 ) of constant cross-section repeatedly into and along channels ( 26 ) of...
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7166251 |
Segmented flexible barrel lay-up mandrel
An aircraft barrel lay-up assembly is provided comprising a barrel mandrel assembly having a contiguous outer barrel lay-up surface. A minor barrel outer surface element is movable between a minor...
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7150846 |
Bipolar plate and method of fabricating it
The invention relates to a method of fabricating a bipolar plate for fuel cell stacks, wherein the bipolar plate includes a circumferential frame made of an electrically non-conductive material and...
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7147818 |
Process and apparatus for improved composite fiber volume fraction and dimensional stability by removal of accumulated excess resin using the vacuum assisted resin transfer molding (VARTM) process
A vacuum assisted resin transfer molding (VARTM) process wherein a preform, release film, distribution medium layer, resin inlet(s), vacuum outlet(s), and vacuum bag(s) are positioned on a mold....
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7141199 |
Method and apparatus for shaping section bar made of composite material and shaped product and I-shaped stringer thereof
A method and apparatus for shaping a section bar (for example, a “T-shaped” or “J-shaped” stringer) made of composite material is provided. The method comprising the steps of placing the...
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7137639 |
Method for producing a connector element for connecting frame parts at a joint location in a bicycle framework and connector element obtained thereby
A connector element for connecting frame parts at a joint location in a bicycle frame is made of a single part of structural fiber based material, typically carbon fiber material, after...
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7138027 |
Skateboard and method of manufacturing
A laminated deck for a skateboard comprises a plurality of layers of graphite cloth alternating with a plurality of layers of a laminating resin. The deck is formed after treating the layers of...
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7132075 |
Method for producing a connector element for connecting frame parts at a joint location in a bicycle framework and connector element obtained thereby
A connector element for connecting frame parts at a joint location in a bicycle frame is made of a single part of structural fiber based material, typically carbon fiber material, after...
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7128869 |
Method and device for producing shell-shaped, plastic parts reinforced with fibre mats
A process and a production installation for producing shell-shaped, fiber-reinforced plastic parts are provided. The plastic parts can be produced efficiently, in an automated manner which is...
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