Abstract: A braided hose reinforcement includes left and right turning strips. Each of the strips includes a number of elongated metal elements embedded in a matrix of a polymer material.

Abstract: A waved mesh tube including multiple parallel first strings spirally extending in a first direction and multiple parallel second strings spirally extending in a second direction. The second strings are laid on the first strings. The mesh tube has continuous circles of waved bending sections arranged along an axis of the mesh tube. The mesh tube is formed with the bending sections so that the wall of the mesh tube has multiple wave crests and wave troughs adjoining each other. The wave troughs define an inner diameter of the mesh tube, while the wave crests define an outer diameter of the mesh tube. Each of the wave crests and the wave troughs has an acute angle. A difference between the inner diameter and the outer diameter is a thickness of the wall of the mesh tube. The wall of the mesh tube is waved and solid and has higher rigidity.

Abstract: The invention relates to a process for the manufacture of an object, curved in one or more directions, from a package of at least one stacked ply containing polymeric fibres by the deforming thereof at elevated temperature, the process comprising imposing on the fibres a tensile stress at a temperature lying between the melting point of the fibres at the imposed tensile stress and 20° C. below the melting point, which tensile stress is high enough for the fibres to be drawn. This process allows objects, curved in one or more directions, to be produced from flat fibre plies without appreciable wrinkling using even fibre plies with low internal and/or mutual deformability and without material being drawn into the die in a controlled manner. The invention also relates to an object, curved in one or more directions, obtainable by the process according to the invention.

Abstract: An annular metal cord includes an annular core portion formed in an annular shape, and an outer layer portion spirally wound around the annular core portion while running over an annular circumference thereof plural times and covering an outer peripheral surface of the annular core portion. Each of the annular core portion and the outer layer portion are formed by a strand material which is formed by intertwisting a plurality of metal filaments. At least part of the outer layer portion is covered with an outer layer sheath made of a coating material having elasticity.

Abstract: A novel process is provided for making spin-drawn yarn from poly(trimethylene terephthalate). The yarn, when packaged on a cheese-shaped spindle, can be produced in large sizes without crushing.

Abstract: Described is a method for dissolving PPTA or copolymers thereof in sulfuric acid using a twin screw extruder having transporting, mixing, and kneading elements with an entering zone, an intermediate zone, a mixing zone, a negative transport zone, a degassing zone, and a pressure build-up zone.

Abstract: Hybrid fiber constructions having reduced creep tendency. More particularly, twisted, low creep yarns formed by twisting together one or more high strength polyolefin fibers and one or more low creep reinforcing fibers.

Abstract: Energy-absorbing textile structure, in particular for use in vehicle construction, which has high-tensile yarns for absorbing force, is formed by a braided fabric (2) with standing ends (3) in the force input direction and in that the textile structure has at least one region (4) with local modification of the fiber structure (2, 3).

Abstract: A braid-reinforced composite hollow fiber membrane is disclosed. The braid-reinforced composite hollow fiber membrane comprising a reinforcing material of a tubular braid and a polymer resinous thin film coated on the surface of the tubular braid according to the present invention is characterized in that: the tubular braid comprises multifilaments made of monofilaments having a crimp rate of 2 to 40%, and the peeling strength of the tubular braid and a polymer resinous thin film coated on the surface thereof is 1 to 10 MPa. In the composite hollow fiber membrane, the crimp rate of the monofilaments constituting the tubular braid of the reinforcing material is 2 to 40%, thus the surface area of the tubular braid contacted with the polymer resinous thin film is increased. Thus, the peeling strength of the tubular braid and the polymer resinous thin film coated on the surface thereof is excellent.

Abstract: Knit fabrics and socks made therefrom and a process for producing such articles are disclosed, The fabrics are constructed from blended yarns containing at least 30% by weight high tensile nylon, which imparts abrasion resistance, and at least one companion fiber, which is chosen to confer a specific desirable attribute. Exemplary is the fabric constructed from blended yarn containing high tensile nylon staple and polyester staple, the fabric being particularly useful for the manufacture of socks demonstrating improved durability and moisture management.

Abstract: Reinforcing glass yarn, the composition of which comprises the following constituents, within the limits defined below, expressed in percentages by weight: SiO2 54.5 to 58% Al2O3 12 to 15.5% SiO2 + Al2O3 70 to 73% CaO 17 to 25% MgO 0 to 5% RO = CaO + MgO 21 to 28% R2O = Na2O + K2O + Li2O up to 2% TiO2 less than 1% Fe2O3 less than 0.5% B2O3 up to 3% F2 less than 1% and such that the ratio R1=Al2O3/CaO is less than 0.7, and when SiO2 is greater than 57% the amount of boron oxide B2O3 is greater than 2%.

Abstract: A tubular body comprising: a main body layer formed by winding a fiber-reinforced prepreg including reinforcing fibers impregnated with a synthetic resin; and a reinforcing layer wounded around the main body. The reinforcing layer includes: an axial fiber layer including reinforcing fibers aligned in an axial direction of the tubular body; a skew fiber layer formed by aligning a first skew fiber layer formed of reinforcing fibers aligned in a skew direction and a second skew fiber layer formed of reinforcing fibers aligned in a different skew direction; a circumferential fiber layer formed by aligning reinforcing fibers in a circumferential direction of the tubular body. The axial fiber layer, the skew fiber layer and the circumferential fiber are braided with a braiding yarn softer than the reinforcing fibers to form braided prepreg as the reinforcing layer.

Abstract: A vaulting pole is made of five layers of fiberglass and carbon fiber. The first layer comprises a fiberglass or straight run carbon fiber material oriented such that at least half of the fibers are transverse to the longitudinal axis, the second layer comprises at least one circumference of a fiberglass or carbon fiber inner body wrap, the third layer comprises a fiberglass or carbon fiber trapezoidal sail piece, and the fourth layer comprises at least one circumference of a fiberglass or carbon fiber outer body wrap. At least one of the second, third, and fourth layers comprises carbon weave.

Abstract: To provide a fiberboard capable of reducing a load on the environment at all states of producing, using, and abolishing and moreover having a high degree of bending strength and a high bending-strength retention rate at high temperature and high humidity so as to be usable for an automobile interior material or building material and a fiber-board producing method. The fiberboard is formed by mixing natural fiber with polylactic acid resin serving as a binder and has an apparent density of 0.2 g/cm3.

Abstract: To provide a fiber reinforced resin sleeve that is superior in mechanical strength in low cost and easily without enlarging the sleeve and increasing the weight of the sleeve, a method for manufacturing an internal pressure container in which both end portions of a fiber reinforced resin sleeve 1 formed by continuously winding a fiber in a filament winding method with both ends having larger diameters are closed by closure lids 2, and the closure lids 2 are supported by retainer rings 3 coupled to the sleeve 1, comprising the following steps of: continuously winding the fiber, impregnated with the resin, on a mandrel substantially in a perpendicular direction to an axial direction of the mandrel to form a first layer F; setting the first layer F so that a distal end is located in a position at a predetermined position L from an end of the sleeve 1 and a proximal end is located in a position inside of the closure lid 2 and the retainer ring 3; subsequently continuously winding the fiber on the first layer F at

Abstract: The invention provides a method of manufacturing a hollow fiber reinforced structural member, in particular for air vehicles, comprising the steps of providing a first circular braiding layer, positioning a flat strengthening body comprising at least one fabric layer having warp fibers and a woof fiber against a part of the surface of the first braiding layer, providing a second braiding layer around the first braiding layer and the strengthening body, positioning the combination of the first braiding layer, the strengthening body and the second braiding layer in a mould, impregnating the combination with resin, removing the combination as impregnated with a resin from the mould.

Abstract: Improved cone dyed yarns have now been discovered which have a balanced combination of desirable properties including less broken fibers and substantially uniform color. These cone dyed yarns comprise one or more elastic fibers and hard fibers, wherein the elastic fibers comprise the reaction product of at least one ethylene olefin block polymer and at least one crosslinking agent.

Abstract: Vulcanizable elastomeric compositions and vulcanizates are prepared by employing a strong acid. The strong acid is believed to enhance the reaction between a silica particle and a silica-reactive compound.

Abstract: Composite fiber reinforced balloons for medical devices are prepared by applying a web of fibers to the exterior of a preformed underlayer balloon which has been pressurized and expanded to a predetermined pressure or above ambient size, encasing the web with a matrix material to form an assembly with the fiber web bonded to the underlayer balloon. The assembly may have an outer layer formed by inserting the assembly into a preformed outer layer balloon. The overlayer balloon can be bonded to the assembly during a heat set step.

Abstract: A pipe for transporting hydrocarbons including textile tape of fibers or fiber windings having a thicker central section and thinner longitudinal edge regions, the tape being wound in a helical winding.

Abstract: Polymeric nanofibers have been developed which are useful in a variety of medical and other applications, such as filtration devices, medical prosthesis, scaffolds for tissue engineering, wound dressings, controlled drug delivery systems, cosmetic skin masks, and protective clothing. These can be formed of any of a variety of different polymers, either non-degradable or degradable. In a preferred embodiment demonstrated in the following examples, nanofibers are formed of biodegradable and non biodegradable polyphosphazenes, their blends with other polyphosphazenes or with organic, inorganic/organometallic polymers as well as composite nanofibers of polyphosphazenes with nanosized particles such as hydroxyapatites.

Abstract: A balloon catheter includes a long-sized body extending between a proximal end and a distal end, the body internally having at least one lumen, and a balloon made from a composite material composed of short-fibers for reienforcement and a matrix resin, the balloon being disposed on the distal side of the long-sized body.

Abstract: This invention discloses an intertoe towel operable for drying between the toes. The intertoe towel consists of an elongated, tubular body member made of plush absorbent fabric, an elongate flexible core disposed within the tubular member and a loop handle affixed to at least one end of the body member to facilitate pulling the towel between the toes.

Abstract: An elongate tubular heat transfer element having a longitudinal tube axis that runs through the hollow interior of the heat transfer element. The heat transfer element includes a wall of monolithic construction having an outer surface and an inner surface. The wall is formed from a composite material including a matrix and rovings embedded in the matrix. The composite material is in contact with the hollow interior such that the inner surface determines a boundary of the hollow interior which extends longitudinally along the axis of the heat transfer element. The matrix is of a fluoropolymer having embedded therein rovings of boron-free chemically resistant glass fibres. The rovings include from about 20% to about 60% by volume based upon the volume of the composite material, rovings that extend longitudinally in a lengthwise direction parallel to the axis of the heat transfer element and rovings that extend spirally around the axis.

Abstract: An expandable tubular fabric formed by heat setting a plurality of thermoplastic yarns producing drawn thermoplastic yarns, arranging these yarns in an array and in juxtaposed positions and moving them in a first direction. Extruding at least one filament along a circular or other shaped path about the moving array of drawn yarns and causing the extruded filament(s) to bond with the array of yarns. Finally, setting the extruded filament in bonded position with the array of yarns holding them in relative fixed positions and forming the fabric stable.

Abstract: Articles of manufacture and a method of making the articles are provided. The articles of manufacture comprise CpFlu metallocene catalyzed polypropylene homopolymers and C2–C3 random copolymers having narrow molecular weight distributions and low xylene solubles (or extractables) contents. Because of a number of desirable properties, the polypropylene homopolymers and C2–C3 random copolymers may be used to prepare a wide variety of useful articles, including but not limited to cast films, such as packaging; fibers suitable for use in fabrics and carpet applications, and injection and blow molded items such as bottles.

Abstract: The present invention relates to a multilayered elastomer hose comprising at least an inner layer, an outer layer and a reinforcement layer. To enhance the loadability of conventional elastomer hoses while maintaining the typical flexible structure, it is intended according to the invention that the reinforcement layer comprises a sulfur-containing polymer material.

Abstract: A protective sleeve for a motor component includes a cylindrical-shaped braided cord of twenty-four or more strands using both a multifilament strand and a monofilament strand made of synthetic fibers having a melting point or a decomposition temperature at 280° C. or more. The protective sleeve has oil resistance at high temperatures of 50% or more, the oil resistance at high temperatures being represented by the following formula: oil resistance at high temperatures (%)=(T/T)×100. Here, T denotes a tensile strength of the protective sleeve before a treatment and T? denotes a tensile strength of the protective sleeve after the treatment. The tensile strength is measured in accordance with JIS L1013-8.5.1, and the treatment is carried out in such a manner that the entire protective sleeve is put into a closed container containing a mixture of 5 weight % of water and 95 weight % of automatic transmission fluid, followed by heating the container so that a temperature of the mixture is maintained at 150° C.

Abstract: Compositions including a fabric layer with a water-insoluble polymer impregnated into the fabric layer to provide sheets are described. In particular, the sheet composites have a permeability to oxygen in the direction perpendicular to the sheet that is less than one-tenth the transmission rate for the fabric layer alone and less than one-fifth the transmission rate for the polymer alone without the fabric layer.

Abstract: A composite fiber-resin structural member includes a composite fiber-resin tube having a central axis, and an elongated truss. The truss has a longitudinal axis and includes at least two wires and a plurality of diametral carbon fibers which forms circular bundles around the wires. The truss fits within the fiber-resin tubing such that the central axis of the fiber-resin tubing and the longitudinal axis of the truss are coaxial. The diametral fibers are connected to the fiber-resin tubing with resin, and are of substantially equal length from the longitudinal axis of the truss. Preferably, at least one of the wires of the truss is mechanically textured to include a consistent and repeating distortion along at least a portion of its length.

Abstract: An acoustical and thermal insulator in the form of a multilayer composite includes a first facing layer such as a heat reflective material layer, a polymer based blanket layer and an insulation insert encapsulated in the polymer based blanket layer. The insulator may also include a second facing layer. The insulation insert is sized and positioned in the insulator so as to provide extra thermal insulation at selected hot spots and/or extra acoustical insulation at high noise points of a vehicle to which the insulator may be mounted.

Abstract: A cling film system includes first and second film piles having different composition. Each film ply includes at least one cling layer and, desirably, one or more additional layers. Each film ply includes an overlapping portion and a second portion. The cling layer of the first film ply engages the cling layer of the second film ply in the overlapping portion of the first film ply and in the overlapping portion of the second film ply.

Abstract: A self sealing vessel assembly for high pressure microwave assisted chemistry is disclosed. The vessel assembly includes a polymeric cylinder and a circular polymeric cap for the cylinder, the cylinder being closed at one end and open at the other end to receive the cap. The open end of the cylinder has a lip that is beveled inwardly from the open end, and the circular polymeric cap has a beveled lower edge that engages the beveled lip when the cap is place upon the polymericcylinder. For high pressure applications, a choke cylinder depends from the beveled lower edge of the cap, and has an outer diameter substantially the same as the inner diameter of the polymeric cylinder so that the choke provides a self sealing mechanism for the cylinder as pressure from a chemical reaction increases within the cylinder. A composite sleeve surrounds the polymeric cylinder, and includes at least one wound fabric layer in which the winding is selected from the group consisting of filaments and yarns.

Abstract: The waterproof/breathable moisture transfer liner for a snowboard boot includes an inner liner selected from technically advanced fabrics which are carefully selected. A series of layers are provided outside the inner liner including foam material layers, breathable membranes, a supportive mesh or a moldable foam, and an outer shell fabric. The applicability of the liner to alpine, cross country and hiking boots, along with appropriate variations for each application.

Abstract: The invention describes elastane packages on cylindrical tubes which are provided with a finishing oil content varying over the filament length, and a method for the production thereof. Instead of being applied uniformly along the filament, the finishing oil is distinctly increased on the outermost part, constituting in particular at least 3%, of the filament wound onto the tubes such that the oil coat in this region is at least 1.2 times higher than in the remaining region of the package. This gives rise to a finishing coat gradient of the package from the outside (high) inwards (low).

Abstract: A novel composite microtubing with variable stiffness over the length of the tubing and continuous process for manufacturing the same is provided. By removing portions of one or more selected layers of the composite microtubing, varying the pick count of a braided layer, and changing the diameter over the length of the microtubing, the stiffness of the microtubing may be varied by a factor of 100 from proximal end to distal end. The continuous process allows a predetermined stiffness pattern to be repeated over a measured length for economical manufacture and results, if desired, in tubing of extremely small diameter and extremely thin tube walls.

Abstract: A substantially tubular member comprises a body. The body is constructed from a first material and has an external surface. At least a portion of the external surface has a predetermined pattern of a second material deposited thereon. The predetermined pattern of the second material is deposited on the at least a portion of the external surface by one or more printing processes such as solution coating, spray coating, thermal printing, piezo jet printing, contact printing and any combination thereof.

Abstract: The present invention is directed to saturants for fibrous webs that will confer upon those webs the ability to be heat sealed to many materials without compromising the drapability of the fibrous webs. The present invention is further directed to fibrous webs saturated with the saturant of the present invention and methods for saturating such webs. The invention is further directed to packages or containers comprising the saturated webs and methods of manufacturing such packages. The invention is further directed to temperature sensitive adhesive coatings that can be used with the saturated webs and a method for applying the coating.

Abstract: The invention is a method for the late introduction of additives into polyethylene terephthalate. The method employs a reactive carrier that functions as a delivery vehicle for one or more additives. The reactive carrier reacts with the polyethylene terephthalate, thereby binding the reactive carrier in the polyethylene terephthalate resin and preventing the emergence of the reactive carrier and additives from the polyethylene terephthalate during subsequent thermal processing.

Abstract: The invention relates to a multi-layer pressure pipe (20) of a plastic material. The multi-layer pressure pipe (20) is formed by using as the extruder an extruder (10) which cross-orients the reinforcement fibers in the extruded material in the successive layers (21,22,23,24), and that the material extruded is a polyolefin which contains long-fiber reinforcements.

Abstract: An arc-quenching composition is provided including a filler, a fiber and a binder. Preferably, the filler includes an arc-quenching compound such as melamine. The binder includes a thermosetting resin to facilitate forming of the arc-quenching composition into an arc-quenching fuse tube. In a preferred arrangement, an outer tube is formed over the arc-quenching fuse tube to provide an overall high-strength fuse tube. Also in a preferred arrangement, in order to provide a fuse tube that is capable of operation over an extremely wide current range, the inner arc-quenching tube includes a tapered bore. According to one fabrication technique, the outer tube is formed over the arc-quenching inner tube before the curing of the inner tube such that a single structure results.

Abstract: A fiber reinforced thermoplastic pipe member is obtained by a novel continuous process in which the reinforcement fibers are wrapped about the outer pipe surface in an unbonded condition while the pipe member continuously moves in a linear direction and which is followed by sufficient heating of the moving fiber wrapped pipe member to cause thermal bonding between the applied fibers and the pipe member. Automated apparatus for carrying out the continuous process is also disclosed.

Abstract: The present invention is a boom system comprising a plurality of articulated boom sections. Each boom section has a longitudinal axis. A stiffening layer is attached to a surface of at least one of the boom sections, and extends within about ten degrees of parallel to the longitudinal axis of the boom section. The stiffening layer is formed of a fiber-reinforced composite material including a plurality of fibers and matrix material.

Abstract: Sleeving to protect an object, extending in a longitudinal direction and comprising filaments braided together and filaments interlaced with the braided filaments in the longitudinal direction of the sleeving, the braided filaments consisting of thermoplastic polymer monofilaments and the interlaced filaments consisting of multifilaments, the sleeving being slit in a longitudinal direction to be opened when the object to be protected is inserted, and closing around this object through elastic recall exerted by the thermoplastic monofilaments. According to the invention, the protective sleeving includes a polymer coating adhering to the braided and interlaced filaments on the side destined to surround the object to be protected. The coating is preferably of silicon or acrylic polymer.

Abstract: A hollow composite body includes a thermoplastic internal layer as a liner, a thermoplastic interlayer with embedded reinforcing fibers, and a thermoplastic external layer. The hollow body is made by furnishing the liner as a preform; introducing the preform into a mold, an inflatable bladder having been inserted into the preform; heating the preform and inflating the bladder to apply pressure against the internal wall of the preform. A space between the external wall of the preform and the internal wall of the mold is tailored to the thickness of the external layer of the hollow body to be obtained, so as to allow migration of the thermoplastic of the interlayer, and possible of the liner, beyond the interlayer.

Abstract: A spoolable composite member having a sensor and an energy conductor embedded in the composite member. The spoolable composite member is capable of being spooled onto a reel for storage and for use in oil field applications. The spoolable tube exhibits unique anistropic characteristics that provide improved burst and collapse pressures, increased tensile strength, compression strength, and load carrying capacity, while still remaining sufficiently bendable to be spooled onto a reel in an open bore configuration. The spoolable composite tube can include an inner protective layer, an inner pressure barrier layer, an interface layer, fiber composite layers, an outer pressure barrier layer, and an outer protective layer.

Abstract: Abrasion resistant pipes of this invention comprise a structural wall formed from a filament wound fiberglass-reinforced material, and an elastomeric abrasion resistant material disposed along the inside and/or outside surface of such pipe. In a preferred embodiment, the structural pipe wall is formed from a filament wound fiberglass-reinforced epoxy resin material, and the abrasion resistant material is formed from a polyurea elastomer. Abrasion resistant pipes of this invention are manufactured using existing filament winding processes by first coating a mandrel with the elastomeric abrasion resistant material, and than winding the resin impregnated filament therearound. Pipes prepared according to principles of this invention have improved properties of toughness, temperature resistance, chemical resistance, and abrasion resistance when compared to conventional fiberglass-reinforced pipes that either have no protective liner or have liners formed from other elastomeric materials.

Abstract: A protective sleeve for a motor component includes a cylindrical-shaped braided cord of twenty-four or more strands using both a multifilament strand and a monofilament strand made of synthetic fibers having a melting point or a decomposition temperature at 280° C. or more. The protective sleeve has oil resistance at high temperatures of 50% or more, the oil resistance at high temperatures being represented by the following formula: oil resistance at high temperatures (%)=(T′/T)×100. Here, T denotes a tensile strength of the protective sleeve before a treatment and T′ denotes a tensile strength of the protective sleeve after the treatment. The tensile strength is measured in accordance with JIS L1013-8.5.

Abstract: An arc-quenching composition is provided including a filler, a fiber and a binder. Preferably, the filler includes an arc-quenching compound such as melamine. The binder includes a thermosetting resin to facilitate forming of the arc-quenching composition into an arc-quenching fuse tube. In a preferred arrangement, an outer tube is formed over the arc-quenching fuse tube to provide an overall high-strength fuse tube. Also in a preferred arrangement, in order to provide a fuse tube that is capable of operation over an extremely wide current range, the inner arc-quenching tube includes a tapered bore. According to one fabrication technique, the outer tube is formed over the arc-quenching inner tube before the curing of the inner tube such that a single structure results.

Abstract: A method is disclosed for reinforcement of thin wall hollow thermoplastic storage vessels with one or more wraps of continuous fibers. This method requires thermal bonding between the reinforcement fibers and the outer surface of the thermoplastic storage vessel while the interior cavity of the storage vessel is being pressurized. The fiber wraps can also be oriented in spatial directions further resisting internal stress on the storage vessel walls when put in service.