Abstract: A fluid pipeline has a first end and a second end. An elongated heat trace element comprised of first and second heat tubes is aligned and coupled to at least a portion of an outer surface of the fluid pipeline. The outer surface of fluid pipeline carries a first insulation material covering a first portion of the outer surface. The outer surface of the fluid pipeline further carries a second insulation material covering a second portion of the outer surface and wherein the second portion of the outer surface is different than the first portion of the outer surface. The first and second insulation materials are configured to cover the outer surface of the fluid pipeline. The fluid pipeline further comprises a third insulation material carried over a second outer surface defined by the cooperation of the first and second insulation materials.

Abstract: A system for folding and deploying liners within tunnels includes a mobile conveyor device having a base frame including a plurality of wheels supporting a support frame. The mobile conveyor device also includes a folding assembly mounted upon the support frame at a position adjacent a first end of the base frame and a conveyor assembly mounted upon the support frame at a position adjacent a second end of the base frame.

Abstract: The present invention relates to a multilayer hose for compressed air comprising, in this order: an outer layer (1) made of polyamide, optionally an intermediate layer (2) of a polymer having a flexural modulus of less than 500 MPa, an inner layer (3) of a polymer having a flexural modulus of greater than 1100 MPa, the inner layer (3) being in contact with the compressed air.

Abstract: A pipeline comprising one or more pipes, the pipeline having: one or more sacrificial anodes to provide cathodic protection; one or more pre-formed one-piece integral metallic rings around at least one pipe; and one or more electrical connectors attached to the or each metallic ring and to at least one sacrificial anode to allow an electrical current to flow between the pipeline and one or more of the sacrificial anodes. Each metallic ring has a one-piece form and can be fitted to the pipe without welding.

Abstract: An apparatus and method is disclosed for making a carbon fiber tubular component by sliding a carbon fiber sleeve and a fiber sleeve over a tubular mandrel. The sleeves overlying the tubular mandrel are saturated with a curable resin and inserted into a mold cavity of a compression mold. The cured carbon fiber tubular component is removed from the compression mold after the curing of the resin.

Abstract: Provided is a rubber laminated resin composite comprising a polyamide-based resin molded product and rubber that is vulcanization bonded to the polyamide-based resin molded product; the polyamide-based resin molded product being molded from a polyamide-based resin that is blended with 0 to 70 wt. % of a filler based on the total amount of the filler and the polyamide-based resin, and that comprises an aliphatic amine compound having an amine equivalent of 950 or less in an amount of 0.045 mmol or more, preferably 0.050 to 2.0 mmol, more preferably 0.065 to 1.5 mmol, per g of the polyamide-based resin. The rubber laminated resin composite is produced by molding a polyamide-based resin that is blended or not blended with a filler, after the addition of an aliphatic amine compound thereto, and then vulcanization bonding of fluororubber or acrylic rubber to the obtained polyamide-based resin molded product.

Abstract: To provide An adhesive composition for a protective film to suppress a surface pollution and adhesive residue on a painting surface. The adhesive composition comprises: 100 weight parts of given block copolymer, and 1 to 20 weight parts of a given polar tackifier resin compound, wherein the polar tackifier resin compound has a solubility parameter (SP value) of 8.2 to 9.2 calculated by the Small method using Hoy's constant.

Abstract: A pipeline laid trenchlessly and/or without a sand bed is produced using a metallic conduit which is encased with an extruded layer of a polyamide molding material. In this way, the durability of the outer shell required for trenchless laying techniques without a sand bed is ensured.

Abstract: The present disclosure relates to a lightweight camshaft and method for producing the same. The method includes the steps of slidably arranging a plurality of support elements onto a support tube, winding the support tube and support elements with at least one fiber layer, impregnating the at least one fiber layer with a matrix material so as to form a fiber composite, curing the fiber composite, and slidably arranging each of a plurality of functional elements, including at least a plurality of cam elements, onto a corresponding support element, such that the support elements are fixedly seated at least partially inside a passage defined through the functional elements.

Abstract: A fiber-reinforced composite structure, such as a cross arm for use in the power industry, having a rectangular outer cross-sectional shape and an inner hollow core having a curvilinear cross sectional shape. The present invention provides a composite structural element or device including, but not limited to, a cross arm or beam that can be applied in a variety of industrial and non-industrial settings including, but not limited to, the power distribution industry.

Abstract: A glass ribbon has a thickness of 100 ?m or less and includes a convex curved surface portion on a side surface. The glass ribbon can be produced by heating a preform glass material having a thickness of 2 mm or less, and subjecting the preform glass material to drawing so that the preform glass material has a thickness of 100 ?m or less.

Abstract: Disclosed herein is a body frame for a bicycle which is able to provide higher strength in such a way to use a carbon material even when the outer diameters of a top tube, a bottom tube, a seat tube, a chain tube, etc. have the thickness of a body frame of a classical bicycle, while relatively reducing the weight of the body frame. For this, the body frame for a bicycle according to the present invention is configured in such a way that each of the top tube, the bottom tube and the seat tube is made in a circular shape wherein the outer diameters are same from one end to the other end of each tube, and the flesh thickness of each tube is relatively thicker at the other end portion than one end portion, and each tube is made of a carbon material.

Abstract: A lining element for the rehabilitation of a pipeline, including a substrate layer made of an expansible resin-absorbing material and a multiple layer system, the multiple layer system being formed from silicone.

Abstract: Enhanced devices, processes, and systems provide measurement of electrical resistance as a means for determining the intensity with which stress is applied to an object, such as but not limited to a toy, e.g. a stuffed toy. The induced strain resulting from such an applied stress may also be determined from the measurement of electrical resistance. One or more actions may preferably be taken in response to the determined stress or the resulting strain, such as but not limited to providing any of visual feedback, auditory feedback, haptic feedback, or a numerical readout.

Abstract: A device (10-10?), (11-11?) for the localized heating of parts of metal pipes (12) connected to each other and of parts of primary plastic coating (16?-18?) of the same pipes, all to be coated with protective material, comprises a spiral-wise development winding consisting of one or more coils (20) and of annular means that are arranged within and coaxially to said coil (20), at the parts of primary plastic coating (16?-18?), and that surround each one of said pipes (12) for heating by induction a zone (14) without primary plastic coating and for indirectly heating, by irradiation, end portions of the same provided with plastic coating (16?-18?) contiguous to said zone (14).

Abstract: A hollow-core structure including: an inner mold that has a hollow cylindrical shell shape; an outer mold that has a hollow cylindrical shell shape to correspond to the inner mold, and in which the inner mold is disposed to be separated; and a filling member that is filled in a separation space between the inner mold and the outer mold.

Abstract: A glass-fiber reinforced plastic pipe comprises a pipe body and an inner core fixedly provided on an inner wall of the pipe body, wherein an upper end of the inner core is lower than an upper end of the pipe body, so that a first heat-insulating space is formed between the upper ends of the inner core and the pipe body, and a lower end of the inner core is higher than a lower end of the pipe body, so that a second heat-insulating space is formed between the lower ends of the inner core and the pipe body. Due to the inner core as a reinforce structure, the shear resistance strength of the glass-fiber reinforced plastic pipe is improved without increasing the thickness of the pipe wall, and furthermore the mechanical performance of a supporting device of the cryogenic pressure vessel is improved.

Abstract: A multi-layer fireproof insulation roll for fireproofing and thermally insulating a tank car. The multi-layer fireproof insulation roll having a first layer with fire-retardant properties, a second layer having thermal insulating properties and a first strap. The first strap securing the first layer to the tank car. A method of fireproofing and insulating a tank car. A method of making a multi-layer fireproof insulation roll.

Abstract: Poles of this invention have an annular body with a wall structure comprising a number of fiber reinforced resin layers, which can be positioned to form an inside and/or outside portion of the wall structure. A portion of the layers are oriented longitudinally within the wall structure, and the wall structure also includes radially-oriented fiber reinforced resin layers. The pole includes one or more layers or a core of a composite material or polymer mortar disposed within one or more locations of the wall structure, e.g., as an intermediate layer and/or as part of the wall inside and/or outside portion. The pole can include an outside surface resistant to ultra violet radiation. Poles of this invention can be formed using a continuous process on a rotating mandrel, making use of differently positioned stations to form the different portions of the pole as the fabrication is moved axially along the mandrel.

Abstract: Apparatuses for insulation and a method for insulating a pipeline are disclosed. An insulation layer may include a flexible polyurethane foam. The foam may be generated by polymerization in a pressurizable chamber at a pressure sufficient to prevent the foam from completely filling the chamber. The foam may be configured to carry moisture away from an object when disposed against the object.

Abstract: The present invention relates to a pre-stressed insulated tubing, including an inner tube (3) and an outer tube (2) nested outside of the inner tube (3), and a closed ring cavity is formed between the inner tube (3) and the outer tube (2), wherein an insulated casing (4) is arranged in the closed ring cavity. The pre-stressed insulated tubing of the present invention features high vacuum degree, high thermal insulation level and long working life, and the insulated casing is reusable for cost saving.

Abstract: A method to form a pipe system which meets level II fire endurance standard according to IMO A 18/Res.753 fire testing protocol, for use in oil, gas, exploration, refining and petrochemical applications is provided. In the pipe system, each pipe section comprises a plurality of layers, an inner layer in contact with the corrosive petroleum product comprising a thermoplastic material, a structural layer comprising a composite material, and an outer layer comprising a fire resistive material. The method comprises applying energy to join the corrosion resistant layers of the separate pipe sections together forming a joint, applying an external wrap around the joint and at least a portion of the composite structural layers of the at least two pipe sections, and bonding the external wrap to the joint and the composite structural layers by chemical curing, thermal treatment, or combinations thereof.

Abstract: Corrosion of the steel components used in fire sprinkler systems that are exposed to salt air along seawater coastlines leads to costly repairs or the possible catastrophic failure of a life safety fire sprinkler system. Salt Guard provides a unique, specific, and particular method to protect steel piping using a combination of materials that are readily available on the market. The National Fire Protection Association #13, Standard for the Installation of Sprinkler Systems, does not define a method for “Protection of Piping Against Corrosion”, although the Standard requires it. Salt Guard improves on that Standard by defining a particular combination of materials to be used and a method for application of those materials to achieve the required corrosion protection and additionally provide corrosion prevention for the owner.

Abstract: A pipe includes a tubular reinforced fiber structure, and a tubular matrix resin pipe main body centered on the central axis, together with a reinforced fiber structure, covering an internal side of the reinforced fiber structure on the central axis side, and an external side. An external end surface of the pipe main body has an inclined surface whose diameter is gradually reduced toward the end face, which connects the pipe main body to another pipe main body, with the main body inclined surface coupled to a substantially tubular-shaped coupling. A portion of the reinforced fiber structure near the main body inclined surface has a plurality of fiber bundles extending in parallel to the central axis. This prevents a shear failure of the fiber bundles of the reinforced fiber structure of the main body inclined surface.

Abstract: The present invention provides a highly heat-resistant multi-layer molded article having excellent adhesion between layers and which can be inexpensively produced and easily recycled. The multi-layer molded article comprises an innermost layer including a first polyarylene sulfide-derived resin composition having 95% to 91% by mass of a polyarylene sulfide-derived resin and 5% to 9% by mass of an olefinic (olefine-derived) elastomer, and an outer layer disposed on an outer-side of the innermost layer, including a second polyarylene sulfide-derived resin composition having 5 to 35 parts by mass of reinforced fibers and 100 parts by mass of a third polyarylene sulfide-derived resin composition having 95% to 80% by mass of a polyarylene sulfide-derived resin and 5% to 20% by mass of an olefinic elastomer.

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 pipeline system is enclosed including unlined or plastic lined pipes. A mechanical metal to metal connection is employed that can provide a fluid tight seal. A pipe coupling may be employed to span the connection. Plastic lined pipes can have their plastic liners connected to form a fluid tight bladder. Electro-fusion may be employed.

Abstract: A polyvinyl chloride (PVC) composition is proposed which comprises a PVC resin having a molecular weight distribution having a number average of MN=60 kDa to MN=70 kDa and a weight average of MW=114 kDa to MW=124 kDa, wherein the total composition has a chlorine content from 56% to 62%.

Abstract: A laminated pipe lining system reduces or eliminates the risk of liner and seam failure due to stress and eases installation in small diameter pipes or pipes with multiple bends. The present invention generally includes a plurality of liners which are layered to line the inner surface of a conduit such as a utility pipeline. Each of the liners will generally include its own seam which is a product of the fabrication of the liners. The first liner is first inserted through the conduit and cured against the inner surface of the conduit. The second liner may then be inserted through the first liner and cured against its inner surface. The third liner may then be inserted through the second liner and cured against its inner surface. Each of the seams will be radially offset with respect to each other to protect the structural integrity of the lining system.

Abstract: The hose includes an outer jacket which includes warp and weft fibers made of Vectran®. The process for making the hose, includes: forming an inner liner and coating the exterior thereof with adhesive; weaving, in a twill weave pattern, Vectran® yarn, in a repeating 2-4-2-4-2 pattern in both the warp and the weft directions; extruding polyurethane onto the woven vectran yarn, the polyurethane extending into pillars between the warp and weft yarn, forming an outer liner; inserting the inner liner coated with adhesive within the outer liner; and, pressurizing the inner liner with steam expanding the inner liner and the adhesive into engagement with the Vectran® yarn and polyurethane pillars of the outer liner.

Abstract: A method for manufacturing tubular bodies (1) exhibiting an inner circumferential surface and outer circumferential surface (8) for packaging tubes out of a strip-shaped film substrate (2) that encompasses a barrier layer (19) against moisture and/or oxygen, exhibits at least one weldable plastic layer (3), and comprises a beveled first edge face (5) extending in the longitudinal direction of the film substrate (2) and a beveled second edge face (6) spaced apart from the first edge face (5) by the width of the film substrate (2), wherein the first edge face (5) and second edge face (6) are arranged opposite each other with the formation of a tube shape, and welded together during exposure to heat, the first and second edge face (5, 6) are pressed against each other during welding so as to compress the barrier layer (19), accompanied by the formation of a wave geometry encompassing several wave peaks and/or several wave valleys and exhibiting at least three zero crossings and/or at least two equiphase zero cro

Abstract: A compressed-air brake line which comprises: I) an external layer made of a moulding composition which comprises at least 50% by weight of PA11 and/or PA12, and II) an internal layer made of a moulding composition which comprises at least 50% by weight of polyamide whose monomer units comprise on average at least 8 C atoms is provided. Layer II) does not contain PA11 and/or PA12. The compressed-air brake line has high bursting strength even at elevated temperature, good low-temperature impact resistance, good ageing resistance, and can be produced at low cost.

Abstract: A system relating to ceramic/rubberized lined steel pipes adapted to carry crushed rock and other highly abrasive materials.

Abstract: A fuel hose according to an aspect of the present disclosure includes: a tubular inner rubber layer; a resin layer formed on an outer circumferential surface of the inner rubber layer; and an outer rubber layer formed on an outer circumferential surface of the resin layer, wherein the inner rubber layer includes a rubber material containing the following Components (A), (B) and (C), the outer rubber layer includes a rubber material containing the following Components (A?), (B) and (C?), and the resin layer includes a resin material containing the following Component (X) as a main component: (A) acrylonitrile-butadiene rubber, (A?) blend rubber containing acrylonitrile-butadiene rubber and acrylic rubber, (B) a sulfur vulcanizing agent, (C) an amine catalyst to form bonding points, (C?) an amine catalyst to form bonding points, which contains 1,5-diazabicyclo(4.3.0)non-5-ene salt (DBN salt), and (X) tetrafluoroethylene-perfluoro(alkylvinylether)-chlorotrifluoroethylene copolymer.

Abstract: A system, in certain embodiments, includes a multi-layer composite strip of pipe dampening materials, comprising a first layer of a first material, a second layer of a second material disposed adjacent to the first layer of material, and a third layer of a third material disposed adjacent to the second layer of material, wherein the second material comprises a viscoelastic material, and wherein the multi-layer composite strip of pipe dampening materials is configured to be affixed to an outer surface of a section of pipe. In certain embodiments, the first layer and the third layer may have stiffness values that are substantially different from each other. The difference in stiffness values may enable relative motion in the first layer and the third layer to be generated during vibration of the section of pipe, and the energy may be dissipated by the viscoelastic material, thereby dampening vibration of the section of pipe. In certain embodiments, multiple strips of pipe dampening materials may be used.

Abstract: There is provided a method of producing a fluid channel device including laminating a plurality of polyimide films including at least one polyimide film having a port and at least one polyimide film having a channel, the polyimide films including at least one thermoplastic polyimide film; and adhering a plurality of the polyimide films by applying heat such that the ports are communicated with the channels. There is also provided the flow channel device produced by the method.

Abstract: A pipe or pipeline for use in the oil and gas industry for conveying lines, collection pipelines and transport pipelines with reduced operating risk and increased lifetime is provided. The pipe contains: a) an external reinforcement layer and b) an internal liner which comprises securely bonded to one another: I) a layer made of a thermoplastic moulding composition selected from a polyolefin moulding composition and a fluoropolymer moulding composition and II) a layer made of a polyamide moulding composition, wherein not only the polyamide moulding composition but also the moulding composition of the layer according to I) in essence comprises no blend component which is composed of another polymer and which has disperse distribution in the moulding composition.

Abstract: A clad duct comprising an outer sheet of thermoplastic material and an inner duct of rigid foam is disclosed. The outer sheet of thermoplastic material is bonded to the inner duct. The outer sheet has a first edge and a second edge and a seal is provided to seal the first edge and the second edge.

Abstract: The present disclosure relates to a laminated article with an invisible seam. The laminated article, in accordance with the present disclosure, is a laminate tube or lamitube. The present disclosure also relates to a process for manufacturing of laminated articles with substantially invisible seam.

Abstract: A fire insulation precursor material formed of cement, in an amount of between 10-30% w/w; and an aluminium or magnesium hydroxide, huntite or hydromagnesite in an amount of between 60-90% w/w. A fire insulation material is provided including the previously mentioned precursor material. Further described are methods of forming a fire insulation material and applications for such material in sheaths, duct coatings, cable trays and other elongate components.

Abstract: A hose for use in a fluid transfer system includes a first layer that is made of a plastic material and a second layer having fiber strands that are wound about the first layer. Optionally, the hose may also have additional layers to provide added strength, permeation resistance, or other properties.

Abstract: Two conventional thick-walled, drawn, fused quartz tubes 1,2 are arranged the one within the other. At their forward end of them, each is gripped in a collet 3,4. These forward collets are supported for travel along a track 5 by a distance equivalent to the length of the tubes. A heating, and drawing, station 6 is arranged a short distance back in the length of the tubes from an initial position of the forward chucks. At its furthest end, the outer tube is gripped by a tensioning collet 8, itself supported on the track. The collets are arranged to be driven along the track by respective stepper motors 9,10,11. At the heating station, heaters in the form of burners 12 are provided for heating the outer tube. Heat is applied at a rate to soften the outer tube. The forwards stepper motors draw the forward collets 3,4 such that the outer tube stretches.

Abstract: A tubular component is for a pipe system. The tubular component comprises an external shell. and an internal wear element which is attached to the inner jacket surface of the shell by a bonding mass in a first annular space formed between the outer jacket surface of the wear element and the inner jacket surface of the shell, the bonding mass being constituted by a hyperelastic bonding mass. A method is for attaching the wear element to the tubular component. Use of a hyperelastic bonding mass is for such attaching.

Abstract: A durable refrigerant transporting hose is provided which includes a gas barrier layer made of a polyamide resin composition, and prevented from being degraded by the refrigerant or compressor oil. A refrigerant transporting hose 1 including a gas barrier layer 2 made of a polyamide resin composition. The polyamide resin composition contains at least one metal compound selected from the group consisting of hydroxides, oxides and carbonates of divalent and trivalent metals in an amount of 1% to 15% by weight relative to the total amount of the metal compound and the polymer component. An olefin elastomer may be added to the polyamide resin composition to enhance the flexibility and durability.

Abstract: A reinforced thermoplastic extrusion and a related method of manufacture are provided. The reinforced thermoplastic extrusion includes an extruded polymeric member, a thermoplastic reinforcing layer, and an intermediate vapor barrier between the extruded polymeric member and the thermoplastic reinforcing layer. The intermediate vapor barrier is bonded to the exterior of the extruded polymeric member and/or the interior of the thermoplastic reinforcing layer to limit the transfer of volatile hydrocarbons therethrough. Surface sulfonation can additionally be included to decrease the permeability of the thermoplastic extrusion to volatile hydrocarbons and other gases that can affect the performance of the outer thermoplastic reinforcing layer.

Abstract: A resin-made fuel inlet pipe having a light weight excellent impact resistance, and causing no fuel leakage, includes: a tubular inner layer; and an outer layer laminated on an outer peripheral surface thereof, in which: the inner layer is formed of a resin having fuel resistance; the outer layer is formed of a resin (A) having a tensile elongation at 8 m/s measured by a high-speed tensile test of 200% or more; and the inner layer and the outer layer are in a substantially non-adherent state.

Abstract: A multi-layer hose (10) of a laminated layer structure having laminated an intermediate layer (12) including a resin containing a polyester or a polyamide, an inner layer (11) disposed on an inner periphery of the intermediate layer (12), and an outer layer (13) disposed on an outer periphery of the intermediate layer (12) and containing a rubber, the inner layer (11) containing epichlorohydrin rubber or hydrin rubber and directly laminated to the intermediate layer (12) by a vulcanized adhesion.

Abstract: A pipe or tube article comprising an innermost layer made from a grafted polyolefin composition is disclosed which can provide long lifetime, highly abrasion-resistant pipes for mining and other transportation uses. Methods for preparing the article and transporting abrasive materials through the article are also described.

Abstract: A flexible tube includes a first layer comprising a polyolefin material having a flexural modulus of not greater than 150 MPa and includes a second layer directly bonded to and in direct contact with the first layer. The second layer comprising a blend of propylenic polymer and styrenic block copolymer.

Abstract: A refrigerant-transporting hose includes a tubular inner layer 1 in contact with a fluorine refrigerant, an intermediate layer 2 formed on an outer periphery surface thereof, and at least one rubber layer 3 and 5 formed on a further outer periphery thereof, and the inner layer 1 is made of a inner layer material including maleic anhydride-modified polypropylene as a main component and the intermediate layer 2 is made of a intermediate layer material including polyamide resin as a main component.