Abstract: A composite pipe is disclosed. The composite pipe includes a thermoplastic inner layer and a tape layer. The tape layer is exterior to and bonded with the thermoplastic inner layer. The composite pipe also includes a protective layer formed exterior to the tape layer.

Abstract: A collapsible winding core for a filter element is provided. A fluted filter media is wound about the collapsible winding core having a cylindrical shape. Subsequently, the collapsible winding core is collapsed into a generally flat shape to from the filter element having a racetrack shape.

Abstract: A method is provided of forming a corrosion-resistant protective coating on a pipe or joint.

Abstract: Embodiments include an infusion-occlusion system having a delivery catheter, a guide catheter adapted to receive the delivery catheter, and a guidewire with an occlusion device adapted to be received within the guide catheter. The guide catheter of the catheter kit may be provided with an occlusion device at the distal end of the guide catheter. The delivery catheter may have an accessory lumen, coaxial or co-linear lumen, a supporting mandrel, or an occlusion device at its distal end. Moreover, according to some embodiments, occlusion devices may be a single material or a composite balloon having an inner liner and an outer layer of different materials, a high compliance low pressure balloon, or a filter device that restricts particles from passing through but does not restrict fluid, such as blood. An inflation device with a large volume and low volume syringe can be used to inflate the balloon.

Abstract: Reinforced composite pipes and methods for making the same, generally employ at least one polymeric reinforcement phase, typically provided as an intermediate form 214. The intermediate form is typically applied over a core pipe 216, and may be consolidated. An optional jacket may be employed.

Abstract: In accordance with certain embodiments of the present disclosure, a process of forming a prosthetic device is provided. The process includes forming a dispersion of polymeric nanofibers, a fiberizing polymer, and a solvent, the dispersion having a viscosity of at least about 50,000 cPs. A tubular frame is positioned over a tubular polymeric structure. Nanofibers from the dispersion are electrospun onto the tubular frame to form a prosthetic device. The prosthetic device is heated.

Abstract: The invention relates to a method for manufacturing flat, single or double curved core composites 1, 23 with at least one folded honeycomb core 4, 19. Prior to applying the initially not yet hardened cover layers 2, 3, 13, 22 a curable and later removable core filler material 15, 16 is introduced into full-length drainage-enabling channels 5, 6 of the folded honeycomb core 4, 19 in order to prevent telegraphing of the cover layers 2, 3, 13, 22 into the channels 5, 6 of the folded honeycomb core when arranging and/or hardening the cover layers 2, 3, 13, 22 and to produce edge-free and polygon-free surfaces of the core composite 1, 23. The core composites 1, 23 made according to the method have optimum structural mechanical properties, an ideal surface quality from the aerodynamic and aesthetic point of view, whereby a direct reprocessing of the core composites 1, 23 is possible without the need for further time and cost-intensive as well as in some circumstances weight-increasing finishing steps.

Abstract: Easy starting rolls of perforated tissue product which have a reduced tendency to ply separate are formed with an adhesively secured doubled over tail tab folded against the roll. The strength and location of the bonds are controlled by controlling the penetration of the adhesive into the tissue. The dry tensile strength of the projecting folded over tail tab exceeds 400 g/3? and the caliper thereof exceeds one mil The adhesive bonds are spaced away from lines of perforation joining sheets in the initial sheets of the roll.

Abstract: A method for improving strength of the finished product in paint roller manufacturing processes and other continuous processes for producing tubular goods from polymers. The method utilizes a substrate such as a polypropylene strip with grooves on its surface. The grooved substrate is fed onto a mandrel to form a tube. Adhesive is applied upon the grooved surface of the grooved substrate. A cover may be applied about the tube, and the resulting product is then cut into finished-size paint rollers. The hardened adhesive in the grooves may operate to reduce the hoop-force which would otherwise tend to unwind the wound substrate. The method in certain embodiments provides a reduction in cost and weight of the finished product.

Abstract: An axial flow depth filter having a cellulose filter medium of tissue paper spirally wound about a paperboard core is secured to a paperboard inner flow tube for operation by a full surface coating of high performance polyamide hot melt adhesive applied between the I.D. of the paperboard core and the O.D. of the inner flow tube along the entire axial length of the core.

Abstract: A novel enhanced process for laser trimming of grafts includes to heat polish the ends. Both heat polish and vapor polish are known processes in plastic processing. When PTFE is used as a graft or covering material, a problem occurs, time and temperature required will distort the ptfe material in the covering of stent graft, A simple solution is the “wetting” of the ends with and aqueous solution of FEP or PFA. A temperature lower than the melt point of PTFE would be used leaving the graft or covering in tact and unharmed. An aqueous solution of PTFE could also work provided conduction or ironing occurred.

Abstract: The device comprises a system for unwinding a portion of the web material from the log R, and a system for rewinding the tail end on the log after application of an adhesive. Moreover, a folding member 21 is provided, to fold the tail end and form a fold of web material defining a portion for gripping and detaching the folded loose end from the roll.

Abstract: Described are methods of making a paint roller from a compound of polypropylene and calcium carbonate having between 5% and 50% calcium carbonate by weight, and, in an embodiment, between 25% and 40%. One or various compounds may be used to form portions of, or all of the components that make up the paint roller, including, for example, the thermoplastic strips, adhesives and/or the backing of a composite cover material. The materials can be assembled in a continuous manufacturing process.

Abstract: A flexible duct including: a first, inner layer that includes multiple helical windings of a strip of thin flexible material; a second layer overlying and adhered to the first, inner layer and including multiple helical windings of a tube containing insulating material; and a helically wound reinforcing element.

Abstract: Disclosed are grips and methods of making grips for use with the handle of an article, and in particular for use with fishing poles and golf clubs. The grip preferably includes a multi-layered gripping member and an inner sleeve or mounting body. The gripping member can include an outer layer with a fabric layer coated and preferably saturated by polyurethane. The outer layer can be bonded to an inner layer to form the gripping member which is then attached to the sleeve. The sleeve can be ground from a starting block of material or may be injection molded.

Abstract: A method forming a porous PTFE layer includes steps of: combining one or at least two unburned porous PTFE films and a support body that can withstand a heating condition in the following process (a rod or plate shaped support body made of mesh or the like is preferable) by using a predetermined means in such a manner that a slip can be prevented in a heating treatment in the following process; and heating the matter resulted from the above process at a temperature of at least 150° C. and less than the melting point of the PTFE film for the range of 5-120 minutes (preferably at a temperature in the range of the melting point of a thermoplastic resin fiber to 320° C. for the range of 10-60 minutes in the case in which the thermoplastic resin fiber or the like is used in the process).

Abstract: For production of a hollow structural part made of fiber-reinforced plastic, a water-dispersible support core made of a water-soluble binding agent consisting at least partly of a water-soluble silicate-containing binding agent, and a filler is wrapped with the reinforcing fibers. The fibers on the support core are impregnated with a curable plastic, the plastic is cured, and the support core is subsequently flushed out with water.

Abstract: The invention relates to a rod-shaped antenna (1) having a distal threaded connecting piece (6) for screwing the antenna (1) into an antenna base, the antenna (1) comprising a rod (2) that can be fixed in the threaded connecting piece (6). A wire winding (4) for transmitting and receiving high-frequency signals is disposed on top of the rod. According to the invention, the rod (2) is configured as an interior rod with an interior sheathing (3) applied to it. The wire winding (4) is disposed on the interior sheathing (3) and is electrically contacted to the threaded connecting piece (6). The threaded connecting piece (6) and the rod (2) with the interior sheathing (3) and the wire winding (4) applied thereto are at least partially enclosed by an outer shell (7).

Abstract: Fluid treatment arrangements and elements and methods for making and using fluid treatment arrangements are disclosed. A ribbon including a permeable fluid treatment medium may be spirally wound in a plurality of windings to form a fluid treatment element having a disk-shaped body. For some embodiments, the ribbon may comprise a composite having first and second layers. Up to one hundred or more fluid treatment elements may be positioned along a core assembly with spaces between at least some of the adjacent fluid treatment elements. Posts may be located in some of the spaces and may be bonded to the adjacent fluid treatment elements. Bands may encircle some of the spaces to block radial fluid flow into or out of the spaces. A fluid treatment arrangement may be contained in a housing to form a fluid treatment assembly. The housing may include an inlet port and an outlet port and may define a fluid flow path between the inlet port and the outlet port.

Abstract: A method of forming a protective coat about a cutback between pipes forming part of an underwater pipeline provides for laying a thermoplastic sheet on a supporting sheet; and winding the thermoplastic sheet and the supporting sheet about the cutback to join the thermoplastic sheet to the cutback.

Abstract: Described is a method of making a laminated paint roller wherein a perforated strip of thermoplastic material is advanced, the perforated strip having holes there-through. A lubricant is applied to the inner surface of the advancing perforated strip of thermoplastic material. The lubricated, perforated strip of thermoplastic material is helically wound around a cooled mandrel so as to form a helically wound strip wherein the inner surface of the perforated strip faces the cooled mandrel and the outer surface of the perforated strip faces away from the cooled mandrel. The wound perforated strip is advanced along the cooled mandrel. A layer of adhesive is applied onto an outer surface of the wound perforated strip. A strip of composite cover material is helically wrapped about the wound strip and over the layer of adhesive, the outer surface of the composite cover material comprising a pile fabric, and the inner surface of the composite cover material comprising thermoplastic.

Abstract: A device and method of forming a power generator includes a container, a fuel cell stack within the container, a metal hydride hydrogen producing fuel within the container, wherein the fuel cell stack is sandwiched between the container and an anode support surrounding the fuel and in close thermal contact with the fuel. The fuel cell stack has a cathode electrode for exposure to oxygen and an anode electrode for exposure to hydrogen. A cathode is electrically coupled to the cathode electrode of the fuel cell stack and supported by the container such that at least a portion of it is exposed on an outside of the container. An anode is electrically coupled to the anode electrode of the fuel cell stack and supported by the container such that at least a portion of it is exposed on the outside of the container spaced apart from the exposed cathode.

Abstract: The invention relates to an expansion vessel for closed heating, cooling, drinking-water, or solar systems, with two spaces separated from one another via a separator, wherein the casing of the vessel i) has an inner surface composed of polyethylene terephthalate, polyamide, polybutylene terephthalate, polyacetal, polyvinyl chloride, polyacrylonitrile, polystyrene copolymer, ethylene-vinyl alcohol, polyvinyl alcohol, polyether sulfone, or polysulfone, and ii) has a wound outer surface composed of oriented fibers.

Abstract: A flexible tubular lining material impregnated with a thermosetting resin is folded and bound with binding members to provide a reduced width. Two elastic and rigid strip members are inserted into loop members attached to the lining material and are removably attached so as to sandwich the lining material. During pipeline lining work, the lining material to which the strip members have been attached is first inserted into a lateral pipe from a main pipe. The strip members are then removed from the lining material so that the lining material may remain inside the pipeline. The strip members are extracted from the pipeline, and the lining material is then made to expand via application of pressure from the inside. While kept in contact with the inner peripheral surface of the pipeline, the lining material is heated in order to cure the thermosetting resin thereof.

Abstract: An apparatus for producing tubes formed from fibre reinforced composite material, the apparatus including: an elongate hollow mandrel (3) having an internal mandrel cavity (5), the mandrel having an external surface (7) upon which reinforcing fibre materia (9) can be wrapped to provide a composite lay-up (10) supported thereon; and fluid flow means (11) for enabling heat transfer fluid of different temperatures to be circulated through the mandrel cavity (5), such that when fluid at an elevated temperature is circulated, heat is transferred from the fluid, through the mandrel (3) to the composite lay-up (10) for curing or forming said lay-up.

Abstract: A calender roll, which was already in use and has a metallic core with engaged textile material sheets, can be worked for a new use. In the surface of the sheets are cut grooves, to which is subsequently applied a layer structure of synthetic resin-impregnated fibrous material forming a certain thickness over each point of the roll. Onto said layer can be applied a functional covering, for example of rubber.

Abstract: A catheter balloon with integral non-distending regions having a plurality of layers which wind around the balloon material and overlap to form an angle of between 45 and 90 degrees relative to each other upon inflation, and methods of making the non-distending regions are provided.

Abstract: Embodiments described herein provide various processes for bonding metals to composites and for reinforcing the bonded metal and composite structures. In addition, the embodiments include the metal/composite compositions resulting from these processes.

Abstract: A leak-proof membrane element (1) for the selective separation or cleaning of gas, wherein a metal foil (membrane) (3) is deposited onto a supporting stock (substrate) (2, 20) having connection means (4, 21, 34) on the ends/edges of the substrate allowing the membrane element to be installed in a housing. A metal foil (3), having a thickness of less that 10 micrometers and being selectively permeable for specific gases, is arranged in flakes or wound with overlapping joints (8) on the outside of the substrate (2, 20), any joints being welded together by diffusion bonding so that the foil forms a continuous, leak-proof metal membrane layer. The substrate being made of a material (metal, ceram, polymer, or combinations thereof) exhibiting a very high gas flux for the gas(es) that the membrane is to let through.

Abstract: Catheters for uniform delivery of medication within an anatomical region. A catheter includes an elongated tube with a plurality of exit holes along an infusion section of the catheter, and an elongated flexible porous member residing within the tube and forming an annular space between the tube and the member. A catheter includes a tube having a plurality of exit holes in a side wall of the tube. The exit holes may combine to form a flow-restricting orifice of the catheter. A catheter includes an elongated tubular member made of a porous membrane. The porous membrane is configured so that a fluid introduced into an open end of the tubular member will flow through side walls of the tubular member at a substantially uniform rate along a length of the tubular member. A catheter includes an elongated “weeping” tubular coil spring attached to an end of, or enclosed within, a tube.

Abstract: The invention relates to a composition for the protection of a shaped article against corrosion, said composition comprising (a) a polyisobutene having a glass transition temperature of less than ?20° C. and surface tension of less than 40 mM/m at a temperature above the glass transition temperature of said polyisobutene, (b) a filler material and (c) an anti-oxidant composition. The anti-oxidant composition comprises a primary and/or a secondary anti-oxidant, the primary anti-oxidant being selected from the group consisting of sterically hindered phenol compounds. The invention further relates to a wrapping tape comprising said composition for the protection of a shaped article, a process for the manufacture of said wrapping tape and a process for covering a shaped article with said wrapping tape.

Abstract: A golf club grip that includes a resilient strip spirally wrapped about an underlisting sleeve having a cap and a nipple. The underside of the cap is formed an upwardly facing circumferential slot that receives the upper edge of the strip. The nipple is formed with an upwardly facing groove that receives the lower portion of the strip.

Abstract: A composite pipe including an internal liner and at least one external layer made of a fiber reinforced consolidated thermoplastic material. A heat-resistant material mechanically separates the liner from the at least one external thermoplastic layer. The heat-resistant material forms a non-bonding barrier that is non-bonded to at least one of liner and the adjacent at least one thermoplastic layer. A method and an assembly for producing the composite pipe.

Abstract: Noise-suppressing and highly abrasion-resistant tape, preferably for wrapping elongated products such as, in particular, leads or cable looms, comprising a backing which is composed at least of three layers, specifically a first outer layer A, a second outer layer B, and an interlayer C, which is located between outer layers A and B and is firmly connected at least in sections to the outer layers A and B. The outer layer A is composed of a stitchbonded nonwoven, the outer layer B is composed of a nonwoven, and the interlayer C is composed of a film which is coated on both sides with a viscoelastic adhesive.

Abstract: An elongated film optionally having double-sided adhesive tapes adhered to both ends can be used to wrap a paper core and thereafter covered with a curable resin that is then cured to form a filter, especially a water filter, having a hardened canister about the paper core. The resulting filter is characterized by outstanding lack of visual imperfection.

Abstract: A pipe is wrapped with a composite to form a pre-stressed interface to facilitate load sharing between the materials. Prior to being wrapped, the pipe is placed in tension via hydraulic devices or the like. Alternatively, a combination of cured and uncured composite wraps is used in proximity to each other to apply compressive stress to the pipe. In addition, the pipe may be subjected to cold temperatures to change its dimensions prior to being wrapped with a composite material.

Abstract: A cylindrical casing (12) is disclosed which is of glass reinforced plastic and has an end cap at each end thereof. In the drawing the illustrated end cap is designated 42.2. Each end cap has at least one opening (52) therein through which water can flow. The illustrated end cap 42.2 is held in place by a mounting ring (28) embedded in the wall of the casing and encircling the casing internally. An internal groove (32) extends circumferentially of the mounting ring (28). A first locking ring (34) having a peripherally extending external rib (36) is within the ring 28. The rib (36) is in the groove (32). A second locking ring (38) fits into the locking ring (34) to expand it outwardly and press the rib (36) into the groove (32). Stud holes (40) in the end cap (42.2) and in the locking ring (38), receive studs (44) which secure the locking ring (38) to the end cap (42.2).

Abstract: Adhesive tape intended more particularly for wrapping cables, comprising a textile backing and, coated on at least one side thereof, an adhesive comprising at least one vinylaromatic block copolymer and an at least partly hydrogenated tackifier resin.

Abstract: A method of manufacturing paint roller covers is disclosed in which the paint roller covers are manufactured from a seamless, tubular knitted pile fabric sleeve that is installed onto a core member. To facilitate the manufacture of the paint roller covers, the outside of the core member is provided with an adhesive bonding material on the exterior surface thereof that has a relatively non-tacky outer surface. The knitted pile fabric sleeve is installed onto the exterior surface of the core member over the adhesive bonding material. The adhesive bonding material is then rendered tacky, whereupon the knitted pile fabric sleeve becomes adhesively secured by the adhesive bonding material to the exterior surface of the core member. The pile fabric covered core member may be finished into paint roller covers by combing and shearing the pile fabric to a desired length, beveling the edges of the paint roller covers, and vacuuming stray fibers from the paint roller covers.

Abstract: The disclosure herein includes a grip for a golf club with a flexible tube and a layered sheet. The tube includes a tubular body and raised portions extending from the tubular body. The outer surface of the raised portions cooperates with the layered sheet to form a gripping surface. The grip reduces impact shock and provides a feeling of tackiness while providing increased variation in the physical characteristics of the gripping surface.

Abstract: A spiral wound membrane is disclosed which comprises an elongate web of a material which allows water to pass through but inhibits the passage of solids and/or dissolved solids. The web has been folded to zig-zag form to produce a stack of layers (68.1, 68.2 etc.) joined to one another by reverse bends (72, 74). A perforated tube (18) is provided, the ends of the web forming the stack being secured to the tube. The stack is wound around the tube and there are spacers (58, 62) between the layers, (68.1, 68.2 etc.). The spacers hold the layers apart to form water flow passages (56, 60). Alternate water flow passages (60) have the ends thereof transverse to the bends (72, 74) sealed closed. These passages are also closed by reverse bends (74) at the radially outer ends thereof. Along their radially inner edges thereof these passages are in communication with the perforations (54) of the tube (20). Strengthening tapes (70) are provided inside the bends (72, 74).

Abstract: Methods for providing a cable closure enclosing a cable splice include wrapping a flexible wrap including a gel layer and a flexible support layer around the cable splice with the gel layer adjacent the cable splice. The gel layer may have an adhesion-reducing substance applied on at least part of a surface of the gel layer facing away from the flexible support layer and a removable cover layer may be applied to a surface of the gel layer facing away from the flexible support layer on which the adhesion-reducing substance is not applied. The wrap is gathered into overlapping wrinkles around at least one longitudinal end of the cable splice without applying heat, other external energy source or catalytic agent to allow the gel layer to seal the at least one longitudinal end of the cable splice.

Abstract: A splicing method and apparatus for use with a labelling apparatus is disclosed. Also disclosed is a method and apparatus for winding up and removing a web from a labelling apparatus, particularly the waste web from which self-adhesive labels have been removed by a labelling apparatus. Web splicing is achieved by detecting the end of one web feed and securing that end while it is transported to the start of another web feed to be adhered to that another web under a pressing action before being released to allow continuation of web feeding by the joined together webs.

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: A charge roller that includes a metal core, an elastic member configured wrapped around the metal core, and film members is disclosed. Each of the film members is wrapped around each end of the elastic member in a circumferential direction of the metal core such that at least a part of each of the film members exists at every position around the ends of the elastic member in an axial direction of the metal core. Portions of the film members do not overlap each other in an radial direction of the metal core.

Abstract: The invention is a composite pole with an integral mandrel therein and methods of making the same. A preferred embodiment is a fiberglass reinforced resin composite pole such as a utility pole or a lighting pole. The integral mandrel is preferably an expanded plastic foam such as expanded polystyrene. The integral mandrel is contoured to be in the desired inside configuration of the composite pole and fiber reinforced composite naterial is applied to the mandrel. The pole is used with the mandrel remaining therein, thus strengthening the pole. Passages may be placed into the mandrel for routing conduits and pipes as desired.

Abstract: A thermoplastic pipe liner assembly and method for installation in a pipeline by pulling the pipe liner assembly through the pipeline in a temporarily folded condition wherein the thermoplastic pipe liner assembly has a core inner liner, an outer liner with optional grooving for annular communication, orbitally wound strength and intermediate layers, two or more tension deformation members to sustain the tension needed to pull the pipe liner assembly through the pipeline for several miles and to assist in maintaining the temporarily folded condition. Also included are optional instrumentation circuits. Also disclosed is a method for the manufacture of the pipe liner assembly and concurrent installation in a pipeline.

Abstract: A closing banding (1) for a bobbin (2), in particular for a bobbin (2) of cigarette paper, comprising a) a paper carrier (3) which is coated with a self-adhesive compound (6) on its underside (4) in the region of the upper transverse edge (5), and b) has a non-adhesive tab (8) in the region of the lower transverse edge (7), opposite the upper transverse edge (5), characterized by c) a double-sided adhesive tape (9) which is arranged on the underside (4) of the paper carrier (3), between the self-adhesive compound (6) and the tab (8), d) the double-sided adhesive tape (9) having a cleavable paper carrier (10) which is coated on both sides with self-adhesive compound (11).

Abstract: An application apparatus is provided with an object supporting section including a support surface for supporting an object; a tape carrying section for rotatably carrying, in a roll form, a double-coated pressure sensitive adhesive tape with a release paper attached to one side of the tape; and a tape laying section for holding the double-coated pressure sensitive adhesive tape with the release paper, fed in a strip form from the tape carrying section, in a condition where the tape is laid on the support surface of the object supporting section with an adhesive surface of the tape to which the release paper is not attached facing outward. Further provided is a tape cutting section.

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.