Abstract: The invention relates to well tubings, in particular oil well tubings, having an improved resistance to abrasion and corrosion. A well tubing comprises a plurality of tubing sections each having a bore and an inside diameter, wherein at least part of the tubing sections has polymer liners disposed within said bore of said tubing section, characterized in that said polymer liners are comprised of crosslinked polyethylene.

Abstract: A flexible tubular duct for conveying corrosive fluids and used in the filed of petroleum extraction at sea. A flexible tubular duct includes at least one inner carcass (2) and a polymer sealing sheath (3). The inner carcass has a reinforcement metal profile (7) that is helically wound. The reinforcement metal profile (7) is made of an alloy having the following weight composition: 30 to 32% of Ni; 26 to 28% of Cr; 6 to 7% of Mo; 0.10 to 0.3% of N; 0.015% of C; 2% at most of Mn; 0.5 to 1.5% of Cu; 0.5% at most of impurities, the remainder consisting of Fe.

Abstract: A composite hose for transfer of cryogenic fluids, includes two end flanges, a helical wound inner wire several layers of protective fabric layers, at least one gas-tight sealing layer sandwiched between one or more protective layers and an outer helical wound wire which is placed on top of the protective layers between the pitch of the inner wire, characterized in that the inner wire is connected to a flexible inner liner that follow any axial and/or radial displacement of the inner wire and that covers the inner corrugations of the composite hose so to create a smooth inner bore of the composite hose.

Abstract: A corrugated plate structure including a plurality of first rows of members, each first row including a first plurality of members connected end-to-end lengthwise. Each first row has members of variable widths along its length to define a first edge, and the first edge is similarly shaped for each first row. The corrugated plate structure further includes a plurality of second rows of members, each second row including a second plurality of members connected end-to-end lengthwise. Each second row has members of variable widths along its length to define a second edge, and the second edge is similarly shaped for each second row. The first edge and the second edge are complementary in shape, and the first rows and second rows are connected side-by-side along their first and second edges, where each member of the first row is interconnected with one member of the second row.

Abstract: Beverage dispensing apparatus, systems, and related methods are provided that have a recirculation loop to cool fluids in a dispensing tube bundle that delivers beverage fluids to a beverage dispensing assembly. A beverage dispensing apparatus includes an adjustable bypass manifold having an adjustable flow restriction that is configurable to enable the use of the beverage dispensing apparatus with different chilled soda recirculation systems. The adjustable bypass manifold includes ports for connection to the recirculation loop and ports for connection to a soda recirculation system.

Abstract: The invention provides a pipe 100 for an aircraft refuel system, the pipe comprising an outer section 200 making up a pipe wall, the pipe wall having an outer and inner 230 surface, a surface texture 310 on the inner pipe wall surface, the surface texture comprising projections 311 projecting inwards from the inner pipe wall surface towards the centre of the pipe. The surface texture may be riblets 311 and may be coated with an anti-bacterial coating 340. The surface texture may be formed from a layer of conductive material, in the form of a foil 300. The outer section 200 may be made from a non-conductive, preferably composite material. The invention also provides a method of manufacturing piping for an aircraft refuel system using a mandrel 400.

Abstract: Airless pump dispensers for various fluids are disclosed including an airless pump mounted in a housing, a movable piston mounted for moving within the housing starting at the bottom thereof, a dispenser at the top of the housing for receiving fluid from the airless pump and dispensing it, and a spring disposed at the bottom of the housing in contact with the bottom of the movable piston and having an insufficient driving force to independently move the movable piston within the housing when the housing contains the fluid.

Abstract: An apparatus and method provides for protecting a downspout elbow or extension of a rain gutter from suffering and inflicting harm. The apparatus has a protective outer surface to guard against one or more sharp edges or surfaces of the downspout elbow or extension from suffering or inflicting harm. Methods of protecting the downspout elbow or extension include at least elastically deforming, sliding, rolling, or inverting a portion or all of the apparatus onto the opening and adjacent portions of the downspout elbow or extension.

Abstract: An accumulator assembly comprises an accumulator cylinder formed of a cylindrical, gas-impermeable shell and a cylindrical gas-impermeable sleeve disposed within and substantially concentric with the shell. An interstitial space is formed between the sleeve and the shell. A piston slidably is disposed within the sleeve, the piston separating an interior of the sleeve into a first chamber configured to contain a compressed gas, and a second chamber configured to contain a pressurized fluid. A pair of removable axial closures retained to the gas-impermeable sleeve at opposing ends and sealingly engaged with corresponding opposing ends of the gas-impermeable shell is configured to provide maximum resistance to the tensional stress of the sleeve.

Abstract: The invention relates to a flow control (1) for reducing the flow velocity of a liquid heating medium flowing into an accumulator tank (2) or a boiler. The flow control (1) comprises an inner tubular member (5) and an outer cylindrical member (6), The inner tubular member (5) has an inlet opening (8) and at least one outlet opening (9). A deflector means (10) deflects the flow of liquid heating medium out of the inner tubular member through said outlet opening. A perforated member (12) covers the outlet opening (9) such that the flow of liquid heating medium from said outlet opening passes through said perforated member. The outer cylindrical member (6) comprises a solid part (14) and a perforated part (15). The outer cylindrical member (6) is positioned such that the solid part (14) deflects the flow of liquid heating medium from said inner tubular member towards the perforated part (15) of the outer cylindrical member and through that into the accumulator tank (2) or boiler.

Abstract: An IV set is disclosed that includes a silicone rubber tube coated with a layer of a gas barrier material. The coated tube is resilient and has low gas permeability and is suitable for use with peristaltic IV pumps.

Abstract: A protective sleeve for being installed around a longitudinal portion of a pipe (72) for transporting hydrocarbons. The sleeve includes a set of rings, each of which has two opposite flanks (16, 18), and which are retained together in series, with the flanks (16, 18) opposite each other, by a plurality of elastically deformable connecting elements (32). The bending of the longitudinal portion is capable of causing contraction of the connecting elements (32) located towards the inside of the curve, as well as the elongation of the opposite connection elements (32), in order to resist the bending. Each connecting element (32) has two opposite rigid attachment portions (34, 36) and an elastic deformable body (38) interposed between the two attachment portions. The attachment portions (34, 36) are attached to the flanks (16, 18) opposite the rings (10), respectively.

Abstract: The invention relates to a method for switching a particulate material flow in the construction of models in layers, wherein particulate materials are fed to a subsequent method step from a container having an opening in the direction of a workpiece platform. The particles in the container are exposed to a vacuum and to overpressure.

Abstract: A container-mounted dispensing structure for dispensing gel or liquid fuel into a fuel-containment reservoir of a ventless fireplace. The dispensing structure having an upstream member and a downstream member which are connected to each other. The upstream member defining a plurality of flame-restricting apertures through which fuel exits the container. The downstream member having a substantially larger dispensing aperture. The number of flame-restricting apertures and their size being selected to prevent flame ingress into the container and to allow sufficient flow into a manifold to facilitate single-stream, splash-free flow of fuel from the dispensing aperture into the reservoir.

Abstract: An insulator having an inner surface for covering an exhaust system of an internal-combustion engine includes a cover member having a surface, a joint member formed on the surface of the cover member, and a mat member made of material including at least one of ceramic fibers and glass fibers, the mat member being attached to the cover member through binding of the fibers to the joint member, and the mat member being exposed to form the inner surface.

Abstract: An example accumulator reservoir includes a housing. The housing contains a system fluid chamber, a working fluid chamber, and a residual chamber. Vent paths are configured to vent fluid from the residual chamber. Each of the vent paths extends nonlinearly between a first opening and a second opening.

Abstract: A water hammer arrester having a cap assembly, a piston assembly, a pair of o-rings, and a base assembly, wherein the cap assembly, piston assembly and base assembly are made from plastic.

Abstract: An apparatus and method of making a cured-in-place pipe repair to a lateral pipe having an area in need of repair. The method and apparatus use a liner assembly comprising a bladder tube and a liner tube. The liner tube comprises at least one layer of non-stretching material, which includes strands of non-stretching material oriented in the longitudinal direction of the liner tube. The strands allow radial stretching but ensure that the liner tube does not stretch longitudinally, which prevents the liner tube from stretching into a main pipe or past the area in need of repair during use. The liner tube may also comprise second and third layers of a resin impregnable material, such as felt, which surround the layer of non-stretching material such that the liner tube may be impregnated with a resinous material to repair a pipe having an area in need of repair.

Abstract: A product dispenser includes a housing adapted to receive a refill unit having a product reservoir. A multidirectional pushbar is carried by the housing and movable in a plurality of directions to actuate the pump. The multidirectional pushbar may be carried by a collar pivotally secured around a pushbar support member in the shape of a spherical zone. Pivoting movement of the multidirectional pushbar is converted into an actuating force by a transfer mechanism, which may include a vertically movable carriage. In other embodiments, the multidirectional pushbar may include ramped surfaces and may support a carriage having rolling elements. Lateral movement of the multidirectional pushbar causes the carriage to roll up the ramped surfaces and actuate a pump to dispense a product.

Abstract: A thermally insulating undersea junction pipe providing a junction between two thermally insulating undersea pipe portions. The junction pipe having a rigid bent inner pipe and presenting a radius of curvature that is three to ten times its outside diameter and coated in a thermally insulating material. The junction pipe having an outer jacket surrounding the inner pipe, the jacket being made of flexible or semirigid material matching the bent shape of the inner pipe in coaxial manner The tubular wall of the outer jacket including structural reinforcing elements of annular or helical shape suitable for enabling the tubular wall of the outer jacket to be bent while keeping its cross-section substantially uniform. A quasi incompressible thermally insulating material in the form of a gel is disposed to completely filling the annular space between the inner pipe and the outer jacket.