Abstract: A flexible hose comprising a composite polymeric core with a degradation-resistant liner and a thermoplastic elastomeric liner coating, the core preferably being surrounded by a protective sheath. The degradation-resistant liner is optionally a polyolefin or fluorine-containing polyolefin and can have a convoluted inside surface. The composite core can optionally include a vapor barrier and leak indicator, and a tracer can be provided to indicate twisting of the sheath.

Abstract: Thermally insulative sleeves include a seamless, hollow, flexibly resilient inner tubular member woven of strand material including at least one metal wire strand, a separate, integral, at least essentially unbroken, metal surface member applied over the inner tubular member extending along and at least essentially completely surrounding the inner tubular member and a flexible outer cover also woven of strand material extending along and completely around the inner tubular member and metal surfaced member securing the metal surface member with the inner tubular member and offering some degree of protection. The inner tubular member may be knit from wire or from a combination of wire and glass fiber yarn, the latter providing some thermal insulative protection. The metal surfaced member may be foil or some other metal covered composite or laminate material sufficiently thin and pliable so as to be deformable by the inner member.

Abstract: This invention relates to a flexible metal pipe covered with an impermeable sheath of a shrinkable, preferably semicrystalline polymer or polymers, characterized in that it incorporates between the shrinkable polymer sheath and the metal pipe an intermediate elastomer layer (8), optionally vulcanized or reticulated, and/or a TPE in the form of a continuous tubular sleeve (FIG. 3) or of a tape (FIG. 4 to 6). Sheathed pipes of this type are particularly suitable for flexible pipelines, optionally with suitable supports, for carrying oil and gas.

Abstract: A reinforced flexible pipe includes an impermeable hose and a reinforcement tube composed of an interlacement of flat rovings wound helically about the axis of the hose. Each flat roving is constructed of a plurality of filaments, such as wires. The interlacement of the coaxial reinforcement tube includes metal tapes helically wound about the axis of the hose and interlaced with the flat rovings.

Abstract: A braided product and process include a first sleeve formed of interbraided first and second yarns which may be continuous E glass yarns. Warp beads formed by knitting or braiding are equidistantly spaced around the circumference of the braid and introduced to the braider to form an integral part of the structure. One or more heavy denier yarns are loaded on carriers so as to cross the warp beads under relatively high tension, forcing the beads selectively to the inside or outside of the sleeve surface so as to create longitudinally extending spacers which create air gaps between the sleeve and the surface of the substrate being covered.

Abstract: A laminated hose is present which is suitable for a fuel conducting hose or other hose, or diaphragm, used for example in an automotive vehicle, which structure is required to have excellent heat resistance and gasoline permeation resistance while maintaining suitable properties of bonding and flexibility. The hose is constituted by an inner veneer layer of fluorovinylidene-hexafluoropropylene backed by a thin layer of Teflon. These layer are then reinforced by an elastomeric tie layer, a reinforcing layer and an elastomeric cover.

Abstract: Multilayer plastic pipes comprising a polyamide-based inner and outer layer, wherein the inner and outer layer are connected force-lockingly by means of at least one intermediate layer made of a mixture of a linear crystalline polyester and a polyamide, have improved stability to chemical agents and improved mechanical properties.

Abstract: A rubber hose comprising an inner tube of synthetic resin, a silver or silver alloy thin film sputtered or ion plated on the inner tube, and a rubber layer heat cured to the thin film through adhesive exhibits low gas and solvent permeability and high flexibility while maintaining such properties even on angular bending.

Abstract: The flexible shaft suitable for technical and surgical endoscopes consists at least partly of circular braiding of webs interwoven with one another. A particularly stable and torsion-resistant shaft also having low wall thickness is produced in that weaving of the webs formed by the flat wires is single-braided, and in that the circular braiding is machined by hammering, particularly in the region of the crisscrosses of the flat wires.

Abstract: Process for the manufacture of a flexible polymeric structure comprising a sealant barrier, consisting of a multilayer film a few microns thick, oriented longitudinally, in a continuous manner, whereby all of the components of said flexible structure are intimately bonded by a final heat treatment. Flexible polymeric structures manufactured according to this process. Application to the fields of the transport of all fluids and protection against external aggressive agents.

Abstract: Process for the manufacture of a flexible tubular structure comprising a sealant barrier, consisting of a monolayer film a few microns thick, oriented longitudinally, in a continuous manner, whereby all of the components of said flexible structure are intimately bonded by a final heat treatment. Flexible tubular structures realized according to this process. Application to the fields of the transport of all fluids and protection against external aggressive agents.

Abstract: A composite hose is disclosed which is constructed essentially with an inner tube and an outer cover, the inner tube being formed from a composition comprised of a specified polymer alloy of a selected class of polyamide resins and acrylic rubbers and the outer cover from a composition comprised of a specified thermoplastic elastomer of a selected class of polyolefin resins and ethylene-propylene-diene rubbers and butyl-based rubber. Impermeability is greatly improved with respect to refrigerant gases and fuel oils.

Abstract: A refrigerant transporting hose having a laminar structure including an inner tube consisting of at least one layer, an outer tube disposed radially outwardly of and coaxially with the inner tube, and a reinforcing fiber layer interposed between the inner and outer tubes. The inner tube includes a resin layer formed of a resin composition which consists of a blend of modified polyolefin and polyamide resin, and 1-10% by weight of .epsilon.-caprolactam. A proportion by weight of the modified polyolefin to the polyamide resin is selected within a range between 40/60 and 10/90. The hose may have a sealing layer formed on the inner surface of the inner tube. The sealing layer consists of a chlorinated elastomer containing a dispersion of an acid receptive agent. Alternately, the sealing layer may be provided on the outer surface of a hose connector nipple.

Abstract: A fiber-reinforced rubber article has a rubber body portion with a fiber reinforcement embedded therein. The fiber reinforcement includes a plurality of tubular braided cords braided by yarns. Each of the tubular braided cords is braided by more than three yarns at a braid angle in a range between 10.degree. and 35.degree., wherein said braid angle is an angle between a yarn of the tubular braided cord and the axial line of the tubular braided cord. Each tubular braided cord also has a fistulous center hole defined by the tubular braided cord.

Abstract: The invention relates to novel articles of jewelry and to processes for manufacturing same.An article of jewelry according to the invention, for example a pen or a lighter, comprises a rigid cylindrical body which is enveloped by a tubular braid composed of interwoven strips or filaments of precious or stainless metal. The braid is manufactured separately. It is then fitted over the rigid body, then stretched longitudinally and welded to the two ends of the body and the welds are covered with two rings.One application is the manufacture of pens, lighters or of jewelry such as necklaces, bracelets, pendants, ear-rings, etc.

Abstract: In a tubular structure for forming a fishing rod, an amorphous metal long fiber tape is spirally or crosswise wound on a prepreg sheet tube with a predetermined pitch, not being overlapped in each turn, so that the prepreg sheet and the amorphous long fiber tape are joined together with high adherence, whereby its twisting strength, collapsing strength and bending strength are improved.

Abstract: A fire-proofing protective covering for an elongate structure such as a hose, an electrical or optical cable, or pneumatic or hydraulic ducting, comprises: a first plurality of layers made of an inorganic material having a structure which is suitable for imprisoning air while still allowing the operation of the elongate structure to be maintained at relatively high temperatures, of the order of at least 850.degree. C., and for a given length of time, of the order of at least several minutes, and a second plurality of layers, with each of the layers being disposed alternately relative to each of the layers of the first plurality so that the layers of the first plurality are on the inside while the layers of the second plurality are made of a material which substantially constitutes a barrier for the air imprisoned in the corresponding layer of the first plurality. The invention is applicable to the opto-electrical industry, to the hydraulic industry, etc. . . . for protecting ducting from fire.

Abstract: For protecting electrical installations against electromagnetic interferences and especially against over-voltages as can for instance occur as a consequence of lightning strikes, electrical lines provided between individual electrical apparatus are laid in a flexible hollow tubular member having an electrically conducting surface and at least one separation or division in its longitudinal direction. The hollow member is also provided with an undulated profile. The hollow member can be designed either as divided tubular sections or as cable channels or ducts provided with a covering member.

Abstract: A high pressure pipe consisting of a flexible high pressure hose which is attached at both ends to a tube. The tube is stiffer than the high pressure hose in order to allow the high pressure hose to be pushed into the ground without bending or buckling and thereby forming a hole in the ground.

Abstract: The present invention relates to a novel fiber optic conduit-connector assembly for passing optical fibers between optoelectronic component housings. In one preferred embodiment, the conduit comprises a flexible, crush resistant and fluid resistant inner tube adapted for enclosing at least one optical fiber, a layer of electromagnetic shielding surrounding the inner tube, and an outer pressure tight layer surrounding the shielding layer. A connector adapted to allow at least one optical fiber to pass therethrough is fixedly attached to at least one end of the conduit by first stripping away the end portion of the outer layer of the conduit, inserting the inner tube of the conduit into one end of the connector and wrapping the shielding layer around the outer surface of the connector end. A thermofit ring is placed over the steel braiding and secures the braiding to the connector upon application of heat to the thermofit ring.

Abstract: A kink-resistant, small bend radius hose has a thin layer polyfluorocarbon liner tube with a thickness in the range of from about 0.005 inches to about 0.025 inches. The exterior of the liner tube is etched to allow silicone to be bonded thereto. A thin layer of silicone is bonded to the etched exterior of the liner tube. This layer of silicone serves as a bonding layer for a reinforcing layer of synthetic fabric, a helix strand and a cover layer. The reinforcing layer serves to strengthen the thin liner tube, the helix strand serves to support the hose against kinking and the cover layer adds additional strength and contains the helix strand with respect to the reinforcing fabric. Thus, a composite, integral, kink-resistant, small bend radius hose is achieved.

Abstract: An improved faucet connector has a flexible braided metal hose assembly with a water supply fitting assembly at one end and a universal faucet fitting assembly at the other end to readily connect a faucet to a water supply pipe, tubing, or shutoff valve in an efficient, safe, and structurally sound manner.

Abstract: A hose for use in marine loading is disclosed in which are disposed two reinforcing layers, one being formed of a selected fibrous cord and the other of a selected steel cord. The fiber and metal layers are laid in this order over a hose core tube, the layers and the core tube being defined in their total thickness not exceeding half the overall hose thickness. The hose is highly resistant to kinking and sufficiently absorptive to pressure on surging.

Abstract: A refrigerant-transporting hose including an elastic tube through which a refrigerant is transported, the elastic tube including a tubular resinous layer formed of a resinous composition, the resinous composition containing as a major component thereof a polyamide resin produced by reaction of hexamethylene diamine and an aliphatic dicarboxylic acid compound having from eight to sixteen carbon atoms. The resinous composition may contain as a major component thereof a mixture of saponified ethylene-vinyl acetate copolymer and a polyamide resin produced by reaction of hexamethylene diamine and an aliphatic dicarboxylic acid compound having from eight to sixteen carbon atoms.

Abstract: Tubular sleeves of braided, knited or woven construction comprised of bulky continuous filament yarns and a resilient engineered plastic monofilament have excellent noise reduction characteristics. The bulky yarn provides a flexible cushion for cables and tubes covered by the sleeves thereby reducing vibration induced wear. The resilient monofilament gives the sleeve material sufficient hand so that sleeves formed according to the invention tend to assume the open position without loss of the ability to deaden sound and cushion vibration.

Abstract: A fitting for installing on the terminus of large scale industrial hoses and method of making it and installing it, in which two annular steel rings are welded onto a cylinder formed of expanded metal, which subassembly is then mounted over an extruded rubber tube and is then wrapped with a friction layer of rubber, a braided textile reinforcement layer, steel cable reinforcement, and a wrapped or extruded rubber outer cover. A hump is built up over the annular ring welded on closest to the end of the expanded metal cylinder, and a flange is then butted up adjacent to this hump to effect installation of the end of the hose. During curing, rubber freely flows through the expanded metal cylinder, securely embedding the fitting within the hose.

Abstract: A flexible composite pipe capable of being wound on a reel and quickly deployed at low cost while floating empty and carrying water from one location to another and being rewound after use, the pipe having a minimum burst strength of about 3,000 psi, a minimum tensile strength of about 130,000 lbs.

Abstract: A torque transmitting guiding catheter adapted for insertion into vascular vessels with a body and a method for its construction is disclosed. The guiding catheter includes a flexible tubular member surrounded by a pair of torque transmitting layers that are formed of a flat braided material. A flexible (plastic) casing that initially is applied as a viscous material impregnates and encases the torque transmitting layer to hold them in place and eliminate their rough edges. The ends of the torque transmitting layers are soldered using a radiopaque solder to enhance the catheter's visibility within a body. The tubular member is also folded about the distal end of the catheter over the distal extremity of at least one of the torque transmitting layers to provide a smooth and soft distal catheter tip. The formed catheter has a flexible curving distal tip. The tip's shape memory is enhanced by at least partially curing the casing material while the tip takes the form of its desired final shape.

Abstract: A method of making a tube for carrying various fluids and materials, the tube comprising from the inside to the outside a layer of impervious plastics material, a first layer of glass fibers connected to the impervious layer, a layer of electrically conducting material and a second layer of glass fibers, the three lastly named layers being impregnated with a resin polymerized through heating of the layer of electrically conducting material which may be a heating metal wire resistor.

Abstract: A traction resistant termination for a tube which transports fluids under high pressure, the tube having an inner tubular member of an elastomeric or plastomeric material surrounded by at least two helically wound layers of metal straps. The tubular member is received within a first hollow cylindrical body extending from a flange having an opening therethrough with which the body is coaxial. The layers of metal straps and a powder having a hardness greater than the hardness of the straps and surfaces adjacent thereto are clamped between the first body and a second hollow cylindrical body coaxial with the first body. At least one of the first and second bodies is integral with the flange. Also, a method of interconnecting the tube with such bodies.

Abstract: A flexible hose suitable for transporting crude oil has a fluid sealing layer of flexible polymeric material disposed between radially inner and radially outer support layers which resist any tendency for the polymeric material to expand.The inner support layer is formed by at least one helically wound element the successive turns of which are interlocked and define in the outer surface of the inner support layer a helically extending crevice, and the surrounding polymeric material is arranged to substantially wholly fill said crevice.

Abstract: A process for the manufacture of hose or tubing conditions plastic high pressure hose having at least one reinforcing layer of steel wires, cords or longitudinal segments thereof. The hose is internally pressurized for a predetermined period of time which provides a residual permanent elongation of at least 0.5% and increases the interior volume by at least 2% upon release of the pressure.

Abstract: A hose construction and method of making the same are provided, the hose construction having a tubular wall comprising an inner layer of polymeric material, an outer layer of polymeric material, an intermediate layer of polymeric material disposed between the inner and outer layers, a helically wound thermoplastic monofilament of substantially circular transverse cross-sectional configuration embedded in the intermediate layer, a first ply of woven material disposed intermediate the outer layer and the intermediate layer, and a second ply of woven material disposed intermediate the inner layer and the intermediate layer, the monofilament having a diameter that is approximately one-third of the thickness of the wall and is approximately one-third of the distance between the centers of each pair of adjacent turns of the monofilament.

Abstract: A hose (such as an airplane fuel line hose) is made from a material which forms ablative particles in the presence of fire. Normally, these particles flake away from the hose. According to the invention, an encapsulating basket weave, braid or cage of stainless steel wire surrounds the hose to capture and retain ablative particles, so that they continue to provide an insulating quality for the hose and, therefore, to prolong the life of the hose.

Abstract: A flexible hose having a braided spiral reinforcement layers having one wire braid member which remains uncrimped during braiding and a second braid member which is composed of a relatively flexible, high tenacity material which is crimped or deformed around the wire braid member at each contact point in the braided-spiral layer. The hose may be made using a flexible mandrel technique to produce a light weight hose having improved flexibility for use in high pressure applications such as in hydraulic system components.

Abstract: This disclosure relates to a hose including a tube and a braided wire reinforcement covering the tube. The wire braid includes a plurality of interwoven strands of wires, and each strand includes a plurality of wires having a uniform tension and a twist of from approximately one turn for each two and one-half to three inches. Further, each of the wires of the strand is preformed to produce a helical tension spring configuration, and the strands are braided under a relatively high tension. The hose is made by a method including the steps of preformng wires to produce the helical tension spring configuration, combining a plurality of such wires under a uniform tension and twisting such wires to form strands, and braiding a plurality of such strands under high tension.

Abstract: A tubular angiographic catheter containing a wrapped multi-apertured film embedded in the walls thereof. The film material and aperture size, shape and pattern may be varied to produce a tailored torque transfer characteristic for enhancing the maneuverability of the distal end of the catheter by manipulating its proximal end.

Abstract: A plastic hose suitable for conveying refrigerant in a liquid or gas phase, liquefied gas such as LPG, volatile liquids, or gases such as CO.sub.2, O.sub.2 or N.sub.2 having an impermeable layer or a barrier. The amount of permeation of the gas in the hose to the outside and the amount of permeation of moisture into the hose are limited to extremely small values.

Abstract: A fire-barrier comprises a composite of three types of fire-retardant materials operable sequentially to combat an increase in temperature, e.g. as occurs on outbreak of a fire, by different methods. A preferred combination of materials is an outer layer of heat reflective material, an inner layer of thermally intumescent material and an intermediate layer of endothermal material between the inner and outer layers.

Abstract: A flexible hose for conveying fluids under pressure and suited for high temperature environments wherein the hose includes an elastomeric core tube, a thermal barrier over the core tube, a single ply of wire reinforcement and a rubber cover. Preferably the thermal barrier is a nonwoven fiberglass strip, but it may as well be an asbestos impregnated rubber compound.

Abstract: A formable hose with a reformable wire embedded solely in a thicker portion of the hose cover, the reformable wire oriented longitudinally of the hose.

Abstract: A pre-rinse hose for use in the food service industry is provided. A core section is formed from an inner tube extruded from a rubber compound, a layer of textile braid applied to the inner tube and an outer tube extruded from a rubber compound over the textile braid. A steel braid is applied around the outer tube and a cover of polyvinyl plastic material is extruded over the steel braid. A hollow stem is held in each end of the hose by a ferrule which is crimped and compressed over the hose ends. A wrench-faced nut is disposed on each hollow stem to connect one end of the hose to a faucet and the other end to a pre-rinse spray head. A spring is applied around the end of the hose connected to the faucet to reinforce the hose against breakage.

Abstract: The present invention relates to a bending strain relief device with adjustable stiffness to be used in connection with cables or pipes. The stiffness of the device is made adjustable by having an expandable body arranged between the cable or pipe and a stiffening rod arrangement. When inflated, the expandable body causes increased friction between the stiffening rod layers and the relief may be locked in any desired position.

Abstract: A high strength flexible hose for conveying fluids under pressure wherein the hose includes a synthetic thermoplastic polymeric core tube, one or more inner reinforcing layers of a high strength aramid yarn having a section modulus of over 400 grams per denier and a tenacity of more than 15 grams per denier at room temperature, and one or more outer reinforcing layers of metal wire.

Abstract: Flexible electrical shielding conduit and method for making same wherein the conduit comprises multiple layers including a flexible conduit tubing outer layer, an electrical shielding layer disposed within the tubing and in contact with the conduit layer, and a woven retaining layer inside the shielding layer, said woven retaining layer expanding radially outwardly when compressed axially continuously forcing the shielding layer into contact with the conduit tubing to provide an unobstructed passageway therethrough. An alternative embodiment and the method for making same wherein the electrical shielding layer and the retaining layer are combined to form an integral inner layer having the properties as described above.

Abstract: An electrical cable having a shielding comprised of knit or knit-graded wire having metal coatings.

Abstract: Fireproof blowout preventer hose for oil well drilling rigs has a layer of fireproof material provided over the coupling in the hose and retained therein by non-combustible rigid outer shell.

Abstract: An automotive fuel hose comprising a two-ply rubber tube covered with a reinforcing fiber layer and further with a protective rubber layer. The two-ply rubber tube is constituted of a very thin inner layer of a fluorine rubber resistant to fuel, even to sour gasoline, and an outer layer of a synthetic rubber, such as epichlorohydrin rubber or ethylene-acrylic rubber, which is less resistant to sour gasoline but is superior in cold resistance. Both the inner and outer layers are formed by extrusion, preferably simultaneously.

Abstract: A material transporting hose of integral construction having a body of flexible, resilient material which includes a pair of longitudinally reinforced portions disposed on opposite sides of the cross-section of the body. The portions include at least one elongated reinforcing member embedded therein extending generally parallel to the longitudinal axis of the hose to provide longitudinal strength. The longitudinally reinforced portions have a total combined perimeter which is equal to or less than the total combined perimeter of the remaining portions of the cross-section of the hose body which do not contain longitudinal reinforcing members so that at least one-half of the hose remains flexible in a longitudinal direction for ease of handling. The hose structure is particularly useful for long length, fluid transporting hose used in ship-to-shore and ship-to-ship refueling.

Abstract: A hose construction and method of making the same are provided, the hose construction having a tubular wall comprising an inner layer of polymeric material, an outer layer of polymeric material, an intermediate layer of polymeric material disposed between the inner and outer layers, a helically wound thermoplastic monofilament of substantially circular transverse cross-sectional configuration embedded in the intermediate layer, a first ply of woven material disposed intermediate the outer layer and the intermediate layer, and a second ply of woven material disposed intermediate the inner layer and the intermediate layer, the monofilament having a diameter that is approximately one-third of the thickness of the wall and is approximately one-third of the distance between the centers of each pair of adjacent turns of the monofilament.