Abstract: The present invention relates to a pressure-resistant hose and forming method thereof, which is capable of effectively spouting liquid or gas of high pressure even though the pressure-resistant hose is of a relatively small thickness, reducing the material cost of the pressure-resistant hose and improving the flexibility of the pressure-resistant hose. The Pressure-resistant hose comprises a first polyethylene mixture and one or more second hose layers. The first hose layer is formed by bonding together longitudinal ends of a first polyethylene mixture fabric coated with one or two watertight films at one or both surfaces of the first polyethylene mixture fabric. Each of said second hose layers if formed by bonding together longitudinal ends of a second polyethylene mixture fabric coated with one or two watertight films at one or both surfaces of the second polyethylene mixture fabric.

Abstract: Composite laminated fiber reinforced plastic pipe having improved resistance to micro-cracking and delamination is disclosed. The pipe is composed of a plurality of laminated layers forming the pipe wall structure, including an outer axial bearing layer containing reinforcing continuous fibers embedded in a thermoset resin binder and disposed at a substantially fixed angle of 0° up to +/−30° with respect to the longitudinal pipe axis and an inner layer in contact with the inner surface of the outer layer and containing reinforcing continuous fibers embedded in a thermoset resin binder and disposed at a substantially fixed angle of greater than +/−30° with respect to the longitudinal pipe axis.

Abstract: A driving pipe and method for the construction of an essentially horizontal pipeline, whose wall is made at least primarily of concrete polymer. At least sections of the wall of the concrete polymer pipe are made of a liquid-permeable filter material consisting of polymer-bound, gravel-like particles.

Abstract: Thermoplastic multilayer composite, particularly in the form of a multilayer hose, a multilayer pipe or a multilayer container, containing at least one intermediate layer made of a molding compound on the basis of ethylene/vinyl alcohol copolymers between layers made of molding compounds on the basis of polyamide, the intermediate layer being bonded via at least one adhesion-promoting layer made of a molding compound on the basis of polyamide selected from the group of copolyamide 6/12, block copolyamide 6/12, polyamide 612, polyamide 610, a mixture of polyamide 6 and polyamide 12 with compatibilizer, a mixture of polyamide 6 and polyamide 11 with compatibilizer, with at least one neighboring layer made of a molding compound on the basis of polyamide 12, polyamide 11, polyamide 1010, polyamide 1012, or polyamide 1212.

Abstract: A flexible duct comprises inner and outer perfluoroplastic tubes with a melt bondable adhesive interposed therebetween. A resilient helical coil is interposed between the adhesive and one of the tubes. The adhesive serves to thermally laminate the tubes together at wrinkled locations between the turns of the coil.

Abstract: The apparatus is an underground structure liner based upon an inflatable liner structure. An acid resistant layer is the innermost layer of an inflatable liner, and the liner is coated with epoxy resin on its outermost surface, the surface which contacts the existing walls of the underground structure. The outermost coated surface of the liner is constructed with a fibrous fleece layer for retention of the epoxy and adhesion of the epoxy to the walls of the underground structure. An added feature of the liner is a structure which also seals the liner to pipes entering the underground structure.

Abstract: A hose comprising a core layer, at least one reinforcement layer, and a cover layer, the core layer is comprised of inner and outer core layers, the hose being characterized by the inner core layer and the outer core layer being formed from different non-plasticized polyamides and are co-extruded at the time of formation. The hose has a permeation rate of less than 0.5 g/m/day.

Abstract: A flexible hose comprises a non-woven spun bonded fibrous polyolefin tube, and a layer of a liquid impervious polymer adhered to a major surface thereof.

Abstract: A textile tubing comprises inner and outer coatings, and a material made of warp and weft threads manufactured from high tensile strength and high modular strength fibers (high performance fibers) disposed between the coatings. The warp threads are arranged in the longitudinal direction of the tubing and the weft threads are arranged in the circumferential direction of the tubing. The inner and outer coatings are made of a thermolastic synthetic material. The weft thread width is at least 8,000 decitex (dtex) and, preferably, more than 10,000 dtex. The warp thread width is at least 2,000 dtex and, preferably, more than 3,000 dtex. The weft density is at least 40 and preferably more than 50. The textile tubing is especially suitable for cleaning high pressure liquid lines. The textile tubing does not have to be stuck to large surface areas of the inner wall of a pipe due to its high burst pressure of more than 90 bar.

Abstract: A hose or flexible pipe (100,200) which has an inner lining (116; 216) composed of fluoropolymer. This gives the hose an improved capacity to withstand high temperatures, chemical degradation and embrittlement along with flexibility and light weight. The hose wall structure (102) is preferably fully bonded to improve support for the fluoropolymer lining (116; 216). The fluoropolymer lining (116; 216) also makes practicable the use of rubbers having the ability to withstand high temperatures.

Abstract: A flexible continuous hollow element configured as a jacket enclosing a hollow space for the transport of media includes a blocking layer (26) which is an integral part of the jacket (12). The blocking layer is impermeable to volatile molecules of the medium to be transported and is configured as a fabric layer (28) enclosing the interior space (14) formed by the layer (18) of the jacket (12).

Abstract: An apparatus for monitoring the condition of a hose (100) including an inner liner (104) and a carcass (106) having at least one ply (108a, 108b, 108c, 108d or 108e) disposed in surrounding relationship with the inner liner (104) and an outer cover (300) about the carcass (106). The monitoring apparatus includes an electronic hose tag (310) connected to the hose (100) for measuring the vibration of the hose. In another embodiment, the hose includes at least one sensing element (112) helically wound about the inner liner (104) and an inner sensing element monitoring circuit (404) with a microprocessor (500) connected thereto for determining whether there is a discontinuity in the inner sensing element (112) and thus a worn through area of the inner liner (104). An alarm signal can be transmitted with transmitter structure (430) to a remote receiver (654).

Abstract: A hose comprising a core layer, at least one reinforcement layer, and a cover layer, the core layer is comprised of inner and outer core layers, the hose being characterized by the inner core layer and the outer core layer being formed from different non-plasticized polyamides and are co-extruded at the time of formation. The hose has a permeation rate of less than 0.5 g/m/day.

Abstract: The present disclosure is directed to embodiments of composite tubing having properties tailored to meet a wide variety of environmental and working conditions. Composite tubes disclosed herein may include one or more of the following layers: a internal liner, a composite layer, a thermal insulation layer, a crush resistant layer, a permeation barrier, buoyancy control layer, a pressure barrier layer, and a wear resistant layer. Grooves may be provided in one or more layers of the composite tube to provide increased axial permeability to the composite tube. A venting system, including vent paths, may be provided in the composite tube to vent fluid that may become trapped within the wall of the composite tube.

Abstract: The present invention relates to a pressure-resistant hose and forming method thereof, which is capable of effectively spouting liquid or gas of high pressure even though the pressure-resistant hose is of a relatively small thickness, reducing the material cost of the pressure-resistant hose and improving the flexibility of the pressure-resistant hose. The Pressure-resistant hose comprises a first polyethylene mixture and one or more second hose layers. The first hose layer is formed by bonding together longitudinal ends of a first polyethylene mixture fabric coated with one or two watertight films at one or both surfaces of the first polyethylene mixture fabric. Each of said second hose layers if formed by bonding together longitudinal ends of a second polyethylene mixture fabric coated with one or two watertight films at one or both surfaces of the second polyethylene mixture fabric.

Abstract: This invention relates generally to the design and manufacture of high performance, composite, tubular structures. More specifically, the invention relates to a high performance, composite, tubular structure that utilizes an integral pattern of ribs on the internal diameter (“ID”) or outer diameter (“OD”) surface of the tube. The present invention provides high performance, composite, tubular structures that are both lighter and stiffer than conventional tubes. In general, the present invention incorporates unconventional features into the design of tubular structures, to greatly enhance performance. For example, in accordance with one preferred embodiment of the present invention, tubular structures are enhanced by incorporating small, stabilizing, raised ribs on the ID of the tubes.

Abstract: A method of lining a bore section, the method comprises providing a first tubing section (12) and an expandable thin-walled second tubing section (14). The first tubing section (12) is run into a section of a bore (10). The second tubing section (14) is then run into the bore section (10), within the first tubing section (12), and expanded to a larger diameter, such that the bore section is lined by at least two tubing sections (12, 14).

Abstract: A spoolable composite tube 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 liner, an interface layer, fiber composite layers, a pressure barrier layer, and an outer protective layer. The fiber composite layers can have a unique triaxial braid structure.

Abstract: There is provided a hose assembly having a tubular first layer made up of a polymeric material resistant to chemical and heat degradation, a jacket disposed about the first layer, and at least one Aramid-like braided layer disposed between the first layer and the jacket. A method of making a hose assembly by forming a tubular first layer, disposing an Aramid-like braid about the first layer and extruding a jacket over the braid is also provided.

Abstract: Novel thermoplastic pipes which can withstand internally generated and/or applied pressures for utilization within, primarily, underground liquid and gas transport systems are provided. Such pipes are improvements over standard metal (i.e., steel, lead, and the like) pipes due to construction costs, shipping costs, implementation costs (particularly underground), flexibility (and thus modulus strength allowances) to compensate for underground movements (i.e., earthquakes and tremors), non-rusting characteristics, reduced crack propagation possibilities, and ease in manufacture. Such pipes are preferably reinforced with specific textile reinforcement materials that permit a lower thickness of plastic to be utilized than is generally required to withstand high pressure situations and also serve to prevent propagation of any cracks which may develop within the thermoplastic or thermoset materials.

Abstract: A filament winding apparatus that efficiently fabricates an FRP pipe, which includes a helix layer and separated hoop layers. The apparatus winds fiber strands around a rotating mandrel and includes a winding unit moved reciprocally along an axial direction of the mandrel. The unit includes a helix winding head, which simultaneously winds fiber strands around the mandrel, a hoop winding head, which winds a fiber strand around the mandrel, a helix fiber spreading portion, which spreads the fiber strands wound around the wound subject by the helix winding head, and a hoop fiber spreading portion, which spreads the fiber strand wound around the mandrel by the hoop winding head.

Abstract: A round circular hose has a tendency to kink when extended. Also, a round circular hose can be difficult to form into a coil. With this background I have developed a hose with rigid sides to prevent kinking and for ease for forming into a coil provided with thicker wall sections.

Abstract: Novel thermoplastic pipes which can withstand internally generated and/or applied pressures for utilization within, primarily, underground liquid and gas transport systems are provided. Such pipes are improvements over standard metal (i.e., steel, lead, and the like) pipes due to construction costs, shipping costs, implementation costs (particularly underground), flexibility (and thus modulus strength allowances) to compensate for underground movements (i.e., earthquakes and tremors), non-rusting characteristics, reduced crack propagation possibilities, and ease in manufacture. Such pipes are preferably reinforced with specific textile reinforcement materials that permit a lower thickness of plastic to be utilized than is generally required to withstand high pressure situations and also serve to prevent propagation of any cracks which may develop within the thermoplastic or thermoset materials.

Abstract: The present invention provides a novel brake hose capable of sufficiently satisfying the fatigue resistance and the corrosion resistance, with the excellent expansion resistance. In a brake hose comprising a first reinforcing fiber layer (2), an intermediate rubber (3), a second reinforcing fiber layer (4), and an external layer rubber (5) provided successively on the outer circumference of an internal layer rubber (1) for filling a brake fluid, the first reinforcing fiber layer (2) is made of a polyethylene-2,6-naphthalate fiber. Accordingly, all of the fatigue resistance, the corrosion resistance and the expansion resistance can both be realized at a high level.

Abstract: An extruded multilayer plastic pipe is provided. The pipe comprises an inner layer, an outer layer and an intermediate layer. Each of the inner and outer layers is comprised of a thermoplastic material. The intermediate layer consists essentially of a lower density material than said inner and outer layers, and the intermediate layer is situated between and abuts both the inner layer and the outer layer. At least one of the inner, outer and intermediate layers consists of reinforced solid or foamed reprocessed plastic.

Abstract: Reinforced corrugated tubing comprising corrugated tubing having peaks and valleys and a reinforcement material disposed in the valleys. A method of reinforcing corrugated tubing comprises disposing a reinforcement material in valleys of the corrugated tubing.

Abstract: The present invention relates to a hose construction containing a ternary blend. The hose comprises (a) an inner core comprising a ternary blend of (1) from 60 to 85 parts by weight of a low density polyethylene; (2) from 10 to 20 parts by weight of chlorinated polyethylene, chlorosulfonated polyethylene and mixtures thereof; and (3) from 2 to 25 parts by weight of EPDM; (b) a layer of tensioned reinforcement; and (c) an elastomeric cover.

Abstract: A flexible hose adapted construction for conveying fluids under pressure. The construction includes a core tube having a circumferential inner core tube surface and an opposing circumferential outer core tube surface. A first reinforcement layer surrounds the outer core tube surface, and is formed of one or more filaments of a first fiber. A second fiber reinforcement layer surrounds the first reinforcement layer, and is formed of one or more filaments of a second fiber. The first and second reinforcement layers are bonded together by means of a bonding agent such as an adhesive, resin, plasticizer, tackifier, or solvent, the application of which is controlled to wet only a portion of the filaments of the reinforcement layers.

Abstract: A hose-connector assembly including an inner resin tube, an outer rubber protector tube which covers an outer circumferential surface of the inner resin tube over an entire length of the inner resin tube, and a tubular connector which includes an end portion press-fitted in each of at least one of opposite end portions of the inner resin tube.

Abstract: A hard pipe has an annular stop projection formed about its portion press fitted in a flexible hose to make a hose connecting structure. The projection has a cross sectional contour including a gentle outward slope extending from the front end of the projection to a first corner, which makes the angle of the subsequent second corner gentle, and a rear face at the second corner extending inwardly toward the longitudinal axis of the pipe at right angles thereto. The hose connecting structure has high levels of pull-out strength and sealing properties without having the hose damaged by the projection on the pipe.

Abstract: A hose comprising a laminate including a rubber layer comprising a rubber composition containing as essential components (A) a rubber made of at least one material selected from the group consisting of an ethylene-propylene-diene terpolymer and an ethylene-propylene copolymer, (B) a vulcanizing agent containing a peroxide, (C) a resorcinol compound, and (D) a melamine resin; and a layer made of at least one material selected from the group consisting of a polyamide resin, an ethylene-vinyl alcohol copolymer, and a metal. In such hose, the rubber layer and the non-rubber layer made of the polyamide resin, the ethylene-vinyl alcohol copolymer, or of the metal adhere well to each other, without applying an adhesive to an interface therebetween.

Abstract: The present invention provides a multilayer hose comprising: a flexible inner layer of polyvinyl chloride having high molecular weight; a flexible linking layer of polyvinyl chloride having medium molecular weight; a reinforcing structure based on plastics material fibers; and a flexible outer layer of polyvinyl chloride having molecular weight greater than that of the linking layer. The invention also provides a method of making the hose.

Abstract: A flexible hose construction adapted for conveying fluids under relatively high internal pressures and capable of withstanding relatively high external pressures without collapsing. The construction includes a tubular first elastomeric layer having a first inner radial surface and a first outer radial surface, and a tubular second elastomeric layer having a second inner radial surface and a second outer radial surface. A helical reinforcement element is spiral wound over the first elastomeric layer as interposed between that layer and the second elastomeric layer. The element is wound at a predetermined pitch angle to define a series of turns each being spaced-apart from an adjacent turn to define an interstitial area therebetween.

Abstract: A three-layer transmission hose for use in a vehicle is disclosed. The transmission hose includes a reinforcement layer sandwiched between an inner layer and an outer layer where the inner layer is made up of a blend of a poylethylene vinylacetate (EVM) and a chlorinated polyethylene (CPE). The outer layer may be made of the same or different material as the inner layer. A method of making a transmission hose from a blend of EVM and CPE is also disclosed.

Abstract: A flexible tube having high flexibility and high resistance to pressure and causing little twist and elongation when subjected to a high internal pressure. A flexible tube 21 has an inner tubular layer 11 made of a soft resin, an inner spiral reinforcement 1 made of a hard resin and helically wound around the inner tubular layer 11, an intermediate tubular layer 12 made of a soft resin and surrounding the inner spiral reinforcement 1, and an outer spiral reinforcement 4 made of a hard resin and helically wound around the intermediate tubular layer 12 in the direction opposite to the winding direction of the inner spiral reinforcement 1. As the direction of the helix of the inner and outer spiral reinforcements 1 and 4 are opposite to each other, forces due to internal pressure acting to twist the helixes are canceled out.

Abstract: A load bearing attachment fitting for a composite material structure. The fitting includes an elongate body having a plurality of undulations formed along its longitudinal sides. The undulations engage the fibers in the fiber-resin matrix so as to transmit loads from the fitting into the body of the structure. To form the connection between the fitting and the composite material structure, longitudinal strips of fiber-resin tape are laid over the fitting and an adjacent form which defines the body of the structure. Crosswise fibers are then wound over the longitudinal tape to force and hold the longitudinal fibers in conformity with the undulations along the fitting, so that the longitudinal fibers transmit loads from the fitting into the composite material structure. A fluidizable form may be used to form the body of the structure, and after curing the forms may be removed by washing this out through a threaded bore in the attachment fitting.

Abstract: The invention relates to a tubing arrangement for lining pipes, to a method for producing the same and to a method for lining pipes. The invention especially relates to superpressure pipes with an internal working pressure of greater than 16 bar. In order to prevent the pipe tubing from being damaged in the case of accidents or when the pipes are placed out of service, the tubing (1) has a barrier layer (1b) which has a gas permeation of less than 1 ml/(bar d m2) for nonpolar gases and of less than 0.1 ml/(bar d m2) for polar gases. Preferably, the gas permeation ranges from 0.0001 ml/(bar d m2) to 0.01 ml/(bar d m2).

Abstract: The present invention relates to a composite flexible hose, preferably for use in automotive air conditioning systems, with improved thermal resistance. The hose consists of an innermost core layer, a friction rubber layer, an intermediate reinforcement layer, and an external cover layer. The innermost layer is a non-plasticized polyamide mixed with a minor portion of polyolefin corresponding to the main rubber constituent of the friction coat layer. The friction coating is formed of a rubber composite of two EPDM rubbers at a weight ratio of 50/50 and 75 parts by weight of carbon black. The intermediate fibrous reinforcement layer is formed of aramid. The external layer is an acrylate rubber comprising a blend of two ethylene acrylates at a weight ratio of 50/50 and 80 parts by weight of carbon black.

Abstract: A helically wound conduit formed from a single continuous strip, the strip being formed from alternating first and second strip portions. Second strip portions are more flexible than first strip portions and the conduit as a result has greater flexibility in the sections formed from the second strip. A reinforcing wire may be added to strengthen the conduit.

Abstract: The present invention relates to a pressure-resistant hose and forming method thereof, which is capable of effectively spouting liquid or gas of high pressure even though the pressure-resistant hose is of a relatively small thickness, reducing the material cost of the pressure-resistant hose and improving the flexibility of the pressure-resistant hose. The Pressure-resistant hose comprises a first polyethylene mixture and one or more second hose layers. The first hose layer is formed by bonding together longitudinal ends of a first polyethylene mixture fabric coated with one or two watertight films at one or both surfaces of the first polyethylene mixture fabric. Each of said second hose layers if formed by bonding together longitudinal ends of a second polyethylene mixture fabric coated with one or two watertight films at one or both surfaces of the second polyethylene mixture fabric.

Abstract: A spoolable composite tube capable of being spooled onto a reel for storage and for use in oil field applications. The spoolable tube exhibits unique anisotropic 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 liner, an interface layer, fiber composite layers, a pressure barrier layer, and an outer protective layer. The fiber composite layers can have a unique triaxial braid structure.

Abstract: The present invention provides a novel brake hose capable of sufficiently satisfying the fatigue resistance and the corrosion resistance, with the excellent expansion resistance. In a brake hose comprising a first reinforcing fiber layer (2), an intermediate rubber (3), a second reinforcing fiber layer (4), and an external layer rubber (5) provided successively on the outer circumference of an internal layer rubber (1) for filling a brake fluid, the first reinforcing fiber layer (2) is made of a polyethylene-2,6-naphthalate fiber. Accordingly, all of the fatigue resistance, the corrosion resistance and the expansion resistance can both be realized at a high level.

Abstract: A hydraulic brake hose assembly for bicycles. A tube for carrying fluid is covered by a fiber mesh layer. The covered tube has a first fitting at a first end of the covered tube, a second fitting at a second end of the covered tube and a coating over the covered tube from the first end to the second end, covering a first point where the first fitting meets the covered tube and covering a second point where the second fitting meets the covered tube. The fluid carrying tube may be formed of polytetrafluoroethylene (PTFE) fiber material, such as TEFLON®, polypropylene, polyvinyl chloride, rubber or any other suitable material. The fiber mesh layer may be formed of a metallic material, such as steel, stainless steel, aluminum, titanium, or any other suitable non-metallic material, such as carbon fiber, polyamide fiber, such as KEVLAR®, glass fiber, and graphite fiber. The coating may be formed of shrink-fit polyolefin, or any other suitable material.

Abstract: A flexible hose which has a hose body made of soft synthetic resin, a reinforcement made of hard synthetic resin wound spirally and joined to the hose body by fusion, and a conductor arranged inside the reinforcement in its longitudinal direction. The conductor does not adhere to the reinforcement and is movable. The hose body is formed by: extruding a tube made of soft resin from a head of an extruder; pressing and flattening the tube to form a strip; and winding the strip spirally with the adjacent side edges joined together.

Abstract: The present invention provides for a light weight, thin walled hose which is rigid enough to resist kinking at low pressures. The hose includes a generally circular woven inner jacket reinforcement layer; an extruded inner tubing bonded to the inner surface of the inner jacket; a circular woven outer jacket reinforcement layer; and an intermediate tubing bonded to the inner surface of the outer jacket and located between the inner and outer jackets. The intermediate tubing adds thickness to the overall wall of the hose, and stiffens the outer jacket sufficiently so that it resists kinking.

Abstract: Regenerated cellulose food packaging film, including fibrous food casings have modified cling properties for packaging dry and semi-dry type sausage products, and particularly specialty dry sausage recipes. The cellulosic food casings have a fibrous reinforcement impregnated with a coating composition containing an admixture of a viscose solution and a food grade cationic thermosetting polymeric adhering agent. The coating composition is applied in a single step by injecting into the viscose solution before being extruded into the fibrous web. This assures both even distribution of the polymeric adhering agent in the web, as well as maintenance of a constant level of polymer being applied during the coating process. The degree of cling/adherence of the casing to the meat mass is more uniform over the entire circumference of the tubular casing.

Abstract: A hose includes a tube assembly surrounded by a textile reinforcement that is surrounded by a cover assembly. The tube assembly includes an inner non-foamed layer that is surrounded by a foamed layer that is surrounded by an outer non-foamed layer. The textile reinforcement surrounds the outer non-foamed layer of the tube assembly and preferably consists of a first spiral threading and a second mesh threading. The cover assembly includes an inner non-foamed layer that is surrounded by a foamed layer that is surrounded by an outer non-foamed layer. The adjacent relationship of the outer non-foamed layer of the tube assembly and the inner non-foamed layer of the cover assembly provide a substantial increase in adhesion between the two assemblies. Further, this configuration reduces the tendency for water seepage between the layer or plies that can cause bubbles and separation.

Abstract: A flexible hose with one or more couplings, the hose generally having an inner diameter of greater than 50 mm, the hose typically equipped with a plastic liner, steel reinforcing layers, a cover, steel sleeves inside of the couplings, a sealing compound and a screw for adjusting pressure. A section of the plastic inner liner extends into a sealing area. The section of the inner liner is connected to the coupling by the sealing compound such that the connection cannot be broken by nondestructive methods.

Abstract: A junction device (1) for hoses (2) comprises an insert (3) having a portion (3a) inserted internally to an end of a hose (2) and a bushing (9) inserted externally to said end of the hose and locked to maintain the end of the hose securely inserted between the portion (3a) of said insert and the bushing. The insert comprises an annular groove (6) interposed between the portion (3a) inserted internally to the end of the hose and a portion (3b) external to said hose, whilst the bushing (9) comprises a concave annular area (10) which, when the junction device is assembled, is positioned internally to said annular groove of the insert. The insert further comprises an annular rib (7) to provide an area of interference with the concave annular area (10) of the bushing.

Abstract: A scuff cover (10) for protecting an elongate inner element (14), such as a hose or a cable, comprises a flexible base tube (30) having an inner surface (34) defining a central passage (38) for movably receiving the inner element. The base tube (30) has an outer surface (36). A rub strip (40) projects from the outer surface (36) of the base tube (30). The rub strip (40) comprises an inner layer of material (42) on the base tube (30) and an outer layer of material (44). The outer layer of material (44) has a lower coefficient of friction than the inner layer of material (42) and forms the radially outermost surface of the scuff cover (10). The outer layer of material (44) is preferably ultrahigh molecular weight polyethylene.