Abstract: A thin ribbon spirally wound polymer conduit and method of forming, wherein a helical reinforcing bead is interposed adjacent overlapping layers of ribbon. Further, a method of continuously forming spirally wound conduit wherein a sacrificial layer, preferably having a different base polymer to that of the conduit, is first applied to the former before the conduit is formed overtop.

Abstract: A sleeve for a print cylinder comprising a fiber reinforced, thin-walled material and having a seamless surface ready to be covered with a surface material. The sleeve may be used in flexographic printing, either as a support for photo-polymerized printing plates or rubber layers. The sleeve has the advantages of having low manufacturing cost and providing the necessary heat resistance to withstand rubber vulcanization temperatures. The sleeve is also airtight, and remains properly positioned during printing operations.

Abstract: The invention relates to a wrap assembly for wrapping longitudinally extended articles, such as cable assemblies. The wrapping uses a textile sheath and self-adhering adhesive tape. The sheath provides edged on each narrow side. The self-adhesive tape is narrow compared to the width of the covering. The adhesive tape is adhered to the sheath in such a manner that the adhesive tape extends over one of the longitudinal edges of the sheath.

Abstract: The invention provides a method of making a formable hockey stick blade, the method comprising: (a) providing a core having a blade element with a thickness, the core being made of expandable foam having a Poisson ratio of at least 0.33; (b) forming a preformed stick blade by wrapping the core with a layer of fibers pre-impregnated with a thermoplastic material; (c) placing the preformed stick blade in a mold; (d) applying heat and pressure to the mold for bringing the thermoplastic material to its amorphous form and for compressing the preformed stick blade such that the thickness of the blade element of the core is reduced; (e) cooling the mold such that the thermoplastic material is set; and (f) removing the formable stick blade from the mold.

Abstract: A three dimensional soft magnetic metal mass suitable for milling is formed wrapping soft magnetic metal ribbon into a three dimensional shape and then applying adhesive to the three dimensional shape. The adhesive permeates the three dimensional shape. The adhesive is then cured. If the soft magnetic metal mass is made as a toroid, then it could be processed into an electro-mechanical component. The electro-mechanical component would then be suitable for use in very high frequency electric motors.

Abstract: This invention relates to a reinforcement structure which is used in providing cementitious mixtures supplemental support and strength upon setting, and more particularly, to a reinforcement structure which comprises a plurality of oriented reinforcing fibrous and/or filamentary components having a finite cut length, and fastening the reinforcing fibrous and/or filamentary components by one or more circumferential retaining elements.

Abstract: In a method of making an arrow shaft, a fabric section is placed around a hollow tubular core, and is affixed thereto. The core may include carbon therein. An adhesive or protective composition, associated with the fabric, is cured to adhere the fabric to the core. The adhesive may be impregnated into the fabric prior to its placement on the core, or may be applied to the fabric by methods such as spraying, dipping, brushing, or powder coating. The shaft may be treated to make the exterior surface smooth after curing. A reinforced archery arrow shaft made by the method includes a tubular core and an attached fabric sleeve covering the core. The fabric is wrapped around and affixed to the core. The sleeve fabric may have a decorative design or pattern on the exterior surface thereof. Optionally, accessories may be attached to the arrow shaft to form an arrow.

Abstract: The present invention broadly comprises a construction material constructed from a plurality of flexible strips, the strips are helically wound upon one another to form a tire pole. The tire pole may incorporate bolts, nails, screws and polymers for securing the flexible strips to one another. The construction material is generally constructed from discarded tires and may comprise a utility pole, a guardrail, a signpost and may be suitable for many other construction applications.

Abstract: A unitary amorphous metal magnetic component for an axial flux electric machine such as a motor or generator is formed from a spirally wound annular cylinder of ferromagnetic amorphous metal strips. The cylinder is adhesively bonded and provided with a plurality of slots formed in one of the annular faces of the cylinder and extending from the inner diameter to the outer diameter of the cylinder. The component is preferably employed in constructing a high efficiency, axial flux electric motor. When operated at an excitation frequency “f” to a peak induction level Bmax the unitary amorphous metal magnetic component has a core-loss less than “L” wherein L is given by the formula L=0.0074f(Bmax)1.3+0.000282f1.5(Bmax)2.4, the core loss, excitation frequency and peak induction level being measured in watts per kilogram, hertz, and teslas, respectively.

Abstract: A method of forming a blown micro-fiber filtration unit having multiple overlapping layers of fibrous material and an active material applied over said layers, The fibrous material layers being fused together.

Abstract: A method for making an endoluminal prosthesis for implantation within a body lumen to maintain luminal patency, the prothesis including a support structure, such as a wire member, and a polymer component, such as a polymer cladding. The method may include joining a wire member to a polymer cladding, helically wrapping a length of the joined support wire member and polymer cladding such that adjacent windings of the polymer cladding have overlapping regions, and heating the joined support wire member and polymer cladding above the melt point of the polymer cladding.

Abstract: A hollow telescopic fishing rod has a rod body made from resin and reinforcing fibers. The rod body has an inner circumferential surface, wherein concave surface portions and convex surface portions are formed in the inner circumferential surface of the rod body. The reinforcing fibers are applied to the convex surface portions in the circumferential direction.

Abstract: Composite laminar structures which exhibit nonlinear surfaces and which exhibit a variable ply angle relative to a defined axis and methods of forming the same are disclosed. A change in ply angle may be induced by the formation of a ramp structure, such as by the introduction of one or more adjacent or periodically placed plies of varied width. Varied width plies may be introduced by cutting or trimming the width of a nominal width ply during lay-up of the composite material. In another embodiment, the ramp structures may be formed by introducing multiple sections of composite material, each of which exhibits a substantially serpentine profile along an edge thereof so as to define a plurality of fingers extending transversely relative to the respective length of each section. The plurality of sections may then be layered adjacent to one another, or periodically dispersed, with each respective set of fingers being offset relative to the set of fingers of a next closest layer.

Abstract: A method of manufacturing a tubular film includes the steps of: winding a thermoplastic sheet film on a columnar member with at least two turns so that leading and trailing ends of the film are placed approximately on one normal line of an outer surface of the columnar member without overlapping each other; fitting a tubular molding member on the wound film; and connecting the leading and trailing ends of the film by heating at least the film, thereby forming the sheet film into the tubular film. The resulting tubular film has a high film thickness uniformity and suitable for a fixing film of an image forming apparatus.

Abstract: There is provided a paperboard tube structure with an intermediate ply having cut-and-folded tabs to increase the effective thickness of the intermediate ply. The paperboard tube includes a plurality of paperboard plies wrapped one atop another about an axis with the intermediate ply positioned between an interior paperboard ply and an exterior paperboard ply. A plurality of cut-and-folded tabs are each created by a nonlinear incision in the intermediate ply that extends from a first endpoint to a second endpoint thereby creating a folding axis along a line from the first endpoint to the second endpoint. The tab is folded about the folding axis to overlie a region of the intermediate ply adjacent the folding axis. The tabs increase the effective thickness of the wall of the paperboard tube.

Abstract: This invention concerns a method and an apparatus for making a spirally-wound tube from a hollow thermoplastic profile (1) having a substantially rectangular cross-section, which method comprises the steps of: winding the thermoplastic profile (1) around a drum (2) and joining adjacent loops together by welding, and smoothing the outer weld joint (13) by means of extra heat and a smoothing body resting against the weld joint (13).

Abstract: The present invention relates to a support structure/membrane composite device which includes a support structure, such as a radially expandable stent, a porous non-textile polymeric membrane adjacent to said stent and a thermoplastic anchor means attaching said stent to said porous non-textile polymeric membrane. The porous non-textile polymeric membrane is preferably made from expandable fluoropolymer materials. The anchoring means is a thermoplastic material which is dissolvable at the interface between the support structure and membrane by a suitable solvent which wets the membrane surface and deposits the thermoplastic material within the pores of the membrane. Methods of preparing the device are also disclosed.

Abstract: A blown micro-fiber filtration unit having multiple overlapping layers of fibrous material and an active material applied over said layers. The fibrous material layers being fused together.

Abstract: An apparatus for forming a roll of contaminant removal tape and methods of forming rolls of contaminant removal tape. The apparatus includes a turret assembly having a first winding cylinder, a first vacuum source providing vacuum to the first winding cylinder, and a web breaking assembly moveable between a first web breaking assembly position and a second web breaking assembly position. The web breaking assembly includes a blade, which is moveable between a first blade position and a second blade position.

Abstract: The propeller shaft comprises a transmission shaft 10 consisting of a hollow metal tube 11 with excellent torque transmissibility and a composite material prepregs 12 having higher specific stiffness than a metal material and stacked to the inner surface of the metal tube, and metal yokes 40 mounted on both ends of the transmission shaft and assembled with other devices. The composite material prepregs is co-cure bonded while applying an axial compressive preload to the transmission shaft and creating a vacuum in a space between a vacuum bag inserted in the transmission shaft and the composite material prepregs of the transmission shaft. Teeth 43 or embossments 44, and adhesive-retaining grooves 45 are formed on inner surfaces of the metal yokes, so the transmission shaft is desirably compression-fitted into the metal yokes. Accordingly, the propeller shaft has advantages of securing improved impact, abrasion, and water resistance.

Abstract: The invention provides a manufacturing method of a good laminate packaging which does not have the delamination between layers and a method of manufacturing of the laminate for packaging containing a barrier layer such as an aluminum foil and, fibrous carrier layer, etc. The deoxidant of vitamin E, ascorbic acid or its derivative is adhered/attached, to the inside of a barrier layer web, the barrier layer is temporarily rolled round by the reel shape, kept, and laminated by the extrusion lamination by the molten polyolefin.

Abstract: A balloon catheter and a method of making the balloon catheter, having a balloon which is bonded to an elongated shaft, and which has a first layer and a second layer and an improved bond between the balloon and the shaft. One aspect of the invention is directed to a balloon in which the balloon first layer includes eUHMWPE and has at least a section that has been oxidized with a chromic acid solution to provide improved bondability.

Abstract: A composite material collation machine and associated method for fiber tape placement and consolidation at a relatively high rate are provided. The composite material collation machine includes a laser diode array for heating at least one fiber tape, a compaction device for pressing the fiber tape against a workpiece, an inspection system for monitoring the fiber tape, and a controller. The inspection system produces an output representative of at least one characteristic of the fiber tape, and the controller is capable of receiving the output and, based on the output, automatically altering at least one system parameter defining an operational characteristic of the composite material collation machine.

Abstract: A method for manufacturing preforms for polymer optical fibers having an index of refraction that is variable over the radius, in which a core of preform material is coated with coating material for forming the preform until a predefinable diameter is reached, the refractive index of the coating material being varied in conformance with a predefinable profile along the radius of the emerging preform.

Abstract: A packaging material laminate comprises at least a printing ink outer layer, an aluminium vapor deposition film layer containing linear low density polyethylene obtained by a polymerization using metallocene catalyst, a polyethylene-extrusion lamination layer, and a carrier layer of paper or paper substitution material.

Abstract: A thermal insulating device, and process for making it, are presented. The inventive thermal insulating device is formed of a cylindrically shaped shell comprising multiple layers of a continuous spiral wound anisotropic flexible graphite sheet, the layers of spiral wound graphite sheet being separated by and bonded to a cured resin.

Abstract: An insulating system (10) for protecting the exterior surfaces of steel pipes and pipe bends (100) from corrosive elements wherein, the insulating system (10) includes a primary coating (20) on the exterior surface of the steel pipe (100) a first inner layer of tape wrap (30) a pair of polyurethane half shells (40) (40′) surrounding the first layer of tape wrap (30) wherein, the exterior surfaces of the polyurethane half shells (40) (40′) are provided with a coating of mastic (50) that bonds with a second outer layer of tape wrap (60).

Abstract: In a method of making an arrow shaft, a fabric section is placed around a hollow tubular core, and is affixed thereto. The core may include carbon therein. A adhesive or protective composition, associated with the fabric, is cured to adhere the fabric to the core. The adhesive may be impregnated into the fabric prior to its placement on the core, or may be applied to the fabric by methods such as spraying, dipping, brushing, or powder coating. The shaft may be treated to make the exterior surface smooth after curing. A reinforced archery arrow shaft made by the method includes a tubular core and an attached fabric sleeve covering the core. The fabric is wrapped around and affixed to the core. The sleeve fabric may have a decorative design or pattern on the exterior surface thereof. Optionally, accessories may be attached to the arrow shaft to form an arrow.

Abstract: A method for making a hockey stick shaft by a double pressing process, and an apparatus for making the same. The double pressing process consists of pulling resin soaked rovings through heated mold cavities. A core is inserted between upper and lower rovings, the press is closed, and upper and lower laminates are molded on simultaneously, using heat and pressure. The hockey stick shaft made therefrom has two opposite surfaces, each of the surfaces being provided with a fiberglass roving reinforcement along each opposite edge and a graphite roving reinforcement fiber between the two fiberglass roving means.

Abstract: An energy absorbing system is provided. The system comprises a fitting having a crack inducing surface extending radially outward in relation to an axis. An energy absorbing structural element formed by a hollow body extends along the axis and has a first end adapted to interact with the crack inducing surface of the fitting so as to radially spread the hollow body. Cracks are formed in the hollow body in response to forces applied in a direction substantially parallel to the axis which forces push the crack inducing surface against the first end. The hollow body may have layers of reinforcing flat material embedded in a matrix material and may comprise a single winding of the flat material about the axis. A number of layers of the flat material in the hollow body may be different in different areas.

Abstract: The present invention relates to a hose that includes a tubular innermost portion, a reinforcing layer surrounding the innermost portion, and an outermost layer surrounding the reinforcing layer, where the innermost portion includes a wrapped layer. The innermost portion may be only the wrapped layer or may include an inner tube as well. The present invention also relates to a method of manufacturing hose with a wrapped layer. A film is wrapped around an inner tube or a mandrel, followed by the application of a reinforcing layer and an outermost layer.

Abstract: The device comprises: a feed path for a roll to be glued; along said path a station for unwinding and positioning the tail edge of the roll; in said unwinding and positioning station, a first movable member (7) and a second movable member (9) make contact with said roll (R). A glue dispenser comprising a glue reservoir (53) and a dispensing element (55) movable along a dispensing path is also provided.

Abstract: A method for preparing an end of a thermoplastics tube (1) is provided, wherein the tube is manufactured by spirally winding and welding together of a hollow profile (1a) having a substantially rectangular cross section. The method includes the following steps: cutting the end of the tube by a planar transversal section; extruding a second hollow profile (2) having a rectangular cross section and an outer shape essentially similar to Fat of the hollow profile (1a) from which the tube (1) is manufactured; spirally winding the extruded second hollow profile (2) around a drum having a diameter corresponding to inner diameter of the tube (1); cutting a loop (2a) from the second hollow profile (2) in a length corresponding to circumference of the tube end; joining the ends of the loop (2a) to each other, whereby a ring (2b) is formed having the same inner and outer diameters as the spirally wound tube (1); placing the ring (2b) against the cut tube end; and welding the ring (2b) to the tube end.

Abstract: A developable structural part, such as a component, includes at least one layer made from a resin-impregnated fabric (prepreg) and at least one layer made from wound threads, yarns, rovings or ribbons. At least one constant thread tension, but preferably a thread tension increasing from layer to layer, is applied during winding of the threads, yarns, rovings or ribbons. An outer ply is always formed of wound threads, yarns, rovings or ribbons. A process for producing the structural parts, a thermal insulation cylinder, a protective tube, a heating element, a stay pipe, a hot-press die and a thermal insulation element are also provided. The developable component or structural part can be obtained due to a combination of the application of fabric prepreg layers and windings made from threads, yarns, rovings or ribbons.

Abstract: A tubular film manufacturing method includes the steps of winding a sheet film on a cylindrical member, cutting a winding end portion of the sheet film, and inserting the cylindrical member, on which the sheet film is wound, into a tubular mold member. The sheet film is molded into a tubular film by heating. In the inserting step, the cylindrical member is inserted into the tubular mold member while the winding end portion of the sheet film is pressed by an elastically deformable brush member.

Abstract: A method of making a roll of adhesive tape that comprises providing a length of tape having a leading end, a trailing end, a first side, and a second side opposite the first side, wherein the second side of the tape is at least partially covered with pressure sensitive adhesive and providing a tab having first and second opposite ends having a length between them, a first side, and a second side, wherein at least a portion of the second side of the tab is covered with pressure sensitive adhesive. The method further comprises advancing the length of tape along a tape path, positioning the leading tape end about a central tape roll axis, and circumferentially winding the length of tape about the axis until a penultimate tape layer having a circumference is wound.

Abstract: A method for forming a tubular object of a composite material involves a first step in which a composite material layer is wound around an iron bar. The iron bar and the composite material layer are then fitted into a contractible plastic covering. The composite material layer is formed into a tubular object in a vacuum chamber into which a thermal medium is introduced. The tubular object is separated from the plastic covering by an air injection between the tubular object and the plastic covering. The iron bar is finally extracted from the tubular object.

Abstract: A method of forming sheet rolls made of a heat transfer recording sheet having a transfer ink layer on a surface of a base by winding the recording sheet around the outer peripheries of a plurality of cores. The method includes supplying a web heat transfer recording sheet, cutting a portion thereof corresponding to a region between two adjacent sheet rolls to form cut ends, placing a non-adhesive waste sheet and a pair of adhesive tapes attached to the waste sheet ends between the transfer recording sheet, the tapes having an adhesive portion, an outside-exposed portion, and a portion attached to a cut end of the recording sheet, winding the sheet around a core outer periphery, positioning the waste sheet between winding apparatus and a discharging portion, and cutting the waste sheet so positioned.

Abstract: A method of manufacturing a channeled wall fluid apparatus (2) is disclosed. The method includes the step of providing at least one rib (16) on one of either a liner (8) having a length or an interior surface of at least a first mold (18). The method also includes the step of placing the first mold around the liner to form a gap (78) between the first mold and the liner. A removable casting material (24) is inserted within the gap. The method also includes removing the removable casting material from within the gap to form at least one channel (14) extending at least a portion of the length of the liner.

Abstract: A method of covering a floral grouping by providing a wrap constructed of a flat sheet of material, the wrap having an opening disposed within the sheet of material, and inserting a portion of the stem end of a floral grouping through the opening in the wrap, and wrapping the wrap about the floral grouping.

Abstract: An improved method and apparatus for heat sealing bags having a mandrel with protruding needles for holding the bag material when the material is wrapped around the mandrel. The mandrel has a ridge for allowing easy penetration of an upwardly angled hot blade between the two overlapping ends of the bag. An apparatus composed of three hot blades of which the two outside blades enter the bottom of the bag and expand outward contacting an inner perimeter of the bag when the middle blade moves forward. The blades then retract and the bag is then fused together by pressure bars and cut by heat trimmers.

Abstract: A method is shown for manufacturing a polyethylene jacket of the type used in pre-insulated piping systems. A mandrel is first coated with a brittle polymeric coating. A melt profile of polyethylene is then extruded onto the mandrel and spirally wound to produce adjacent windings. The adjacent windings make contact to form a finished jacket which is in engagement with the brittle coating. After the jacket has set, an external compressive force is applied to the tubular member thus formed sufficient to crush the internal brittle coating, thereby freeing the polyethylene jacket from engagement with the mandrel. The jacket can then be removed from the mandrel.

Abstract: The present invention is directed to a filter element in which an undesired fluid flow path through the filter element is blocked. The present invention is also directed to a method for producing such a filter element. In embodiments of the invention, the filter element may be a spiral wound filter element with a filter membrane. The desired flow path through the filter membrane may be through the lateral surface of the filter membrane, while an undesirable flow path may begin at a point on the cross-sectional face of the filter membrane. To prevent fluid from entering the filter membrane through the cross-sectional face, the pores of the filter membrane near the cross-sectional area may be sealed, for example, by filling the pores with a substance, such as a polymer.

Abstract: A Field-Replaceable Composite Roll system (FRCR) consists of a complex composite cover and a unique mechanical mounting system, configured to allow the retrofit of existing silicone sleeved rolls, as well as manufacture new rolls, at substantially lower costs. The system of the present invention can be used for retrofitting existing dead-shaft or live-shaft rolls previously manufactured to use silicone sleeves, as well as fabricating new rolls in conjunction with the patented WINERTIA® brand tubing or conventional thin-walled tubing. The exemplary embodiment of the composite cover is fabricated of a filament wound tube bound together via a resin or the like having dielectric properties, the tube forming inner and outer walls, the inner wall coated with a conductive layer for receiving and conducting an electric current, the outer wall coated with a wear resistant layer (illustrated as ceramic coating), followed by a sealant layer.

Abstract: An improved method of structurally upgrading existing steel monopole or lattice tower structures insitu consists of bonding fiber reinforced polymer (FRP) composite materials to the existing steel member or component surfaces. A structural adhesive is used to bond the composite material directly to steel and transfers the load between the two materials in shear. Steel includes galvanized steel, steel alloy, cortan steel and other painted or unpainted structural steel. Tower includes a monopole tower or a utility or transmission tower made of plate steel or a lattice of structural members or components. The result is a synthesized tower structure that is stronger and stiffer than the original steel tower.

Abstract: A composite tubular assembly formed by a core or tube which is reinforced by a multitape product which is wrapped in alternate non-bonded helical wraps on the core or tube. Each tape is first formed by impregnating a fibrous strip with a resin and then such tapes are fed from spools to the core of the tube.

Abstract: A process of making a continuous thermoplastic helical seam profile pipe. The thermoplastic material is extruded through a die to form a continuous square tube. The continuous tube is cooled and a filler material is applied. The continuous tube bearing the applied filler material is helically wound to form turns of wound continuous tube. Each turn of the continuous tube is pressed into the preceding turn on the mandrel for adhering the turns together to form the pipe. Apparatus for producing a helical seam profile pipe includes a frame, and a mandrel mounted on the frame for rotation on the frame about a longitudinal axis of the mandrel to helically wind the thermoplastic tube around the mandrel. A source of filler material, and a filler material applicator located adjacent to the mandrel continuously apply a bead of the filler material to the thermoplastic tube prior to being wound on the mandrel.

Abstract: An undercritical drive shaft and a method of producing the undercritical drive shaft from fiber composite material is disclosed. The drive shaft, which is produced of fiber composite material and is to be used as an undercritically operating shaft, has a high damage tolerance with respect to resistance to torsion and the manufacturing process requires lower expenditures. For the drive shaft, the fiber composite material consists of several successively individually wound-up webs of prepreg. For the method of producing the drive shaft from fiber composite material, as the fiber material, the web-shaped prepreg is wound onto the winding spindle and this prepreg is deaerated and simultaneously compressed by the winding-on of a thermoplastic woven band which is prestressed in a defined manner. The thermoplastic woven band is unwound again and additional prepreg layers are then wound up which are then deaerated and compressed in the same manner by a thermoplastic woven band.

Abstract: A thermal protection device adapted to extend along a surface to be protected from a thermally and mechanically severe external environment, having an inside face adapted to face the surface to be protected and an outside face adapted to be exposed to the external environment, includes a composite layer containing a refractory armature buried in a thermally insulative material matrix, the device further including a ceramic, metal or metalloid external layer of which the outside face is part and which is attached to the composite layer.

Abstract: A method of manufacturing a wall thickness program onto an elastomeric tubular component, such as an expandable bladder and/or cover element, for incorporation into a packing device for use in a subterranean well includes steps of contouring upon a surface a diametrical configuration defining a wall thickness program for the tubular component. The diametrical configuration is transferred from the surface onto at least one of the walls of the tubular component as a wall thickness program whereby the transfer diametrical configuration conforms substantially as a mirror image of the program on the contoured surface. An elongated mandrel may be provided as the surface onto which the diametrical configuration of the wall thickness program is contoured, such as by machining. Thereafter, the elastomeric tubular component may be prepared on the mandrel, such as by wrapping elastomeric ribbon in layers therearound as the mandrel is manipulated.