Abstract: This invention generally relates to systems and methods for the formation and/or control of fluidic species, and articles produced by such systems and methods. In some cases, the invention involves unique fluid channels, systems, controls, and/or restrictions, and combinations thereof. In certain embodiments, the invention allows fluidic streams (which can be continuous or discontinuous, i.e., droplets) to be formed and/or combined, at a variety of scales, including microfluidic scales. In one set of embodiments, a fluidic stream may be produced from a channel, where a cross-sectional dimension of the fluidic stream is smaller than that of the channel, for example, through the use of structural elements, other fluids, and/or applied external fields, etc. In some cases, a Taylor cone may be produced.

Abstract: A vehicle and method of use in subsea operations related to crushing concrete mattresses including at least one lift assembly, at least one crushing roller, at least one blow out pipe cable of blowing crushed concrete mattress fragments into a rubble container. In a preferred embodiment, the vehicle has at least one fork lift connected to the lift assembly, a digger chain assembly arrangement, treads, an interface connected to the vehicle and capable of engaging the rubble container, and each rubble container is detachable from the interface.

Abstract: A carrier assembly for canisters of a mechanical exfoliation apparatus, the carrier assembly including a hub having an external surface and an open center therethrough with an internal surface, at least two bearings mounted on the internal surface of the hub, and a canister cradle integrally extending from the external surface of the hub.

Abstract: This invention relates to a sample holder for isolating magnetically labelled particles from a non-magnetic medium in a plurality of samples. The holder comprises a magnetic base for applying a magnetic force to the magnetically labelled particles and a body which is mountable on the base and demountable therefrom. The body comprises an array of sample holding portions and a magnetizable member which is magnetically urged towards the magnetic base when the body is seated on the base, whereby the body is urged to remain seated on the base. The invention also relates to use of the sample holder to separate magnetic particles from a non-magnetic medium and methods of performing such a separation.

Abstract: A collector composition comprising (a) refined tall oil wherein the refined tall oil is any tall oil that has been subjected to one or more refining or processing steps that results in an increase in acid value; and (b) a fatty acid wherein the refined tall oil has an acid value of at least 90 mg KOH/g and a weight average molecular weight of at least 750 g/mol. A mineral slurry comprising (a) an ore comprising a mineral of interest; (b) a collector composition comprising (i) a refined tall oil; and (ii) a fatty acid; and (c) a liquid. A method for the beneficiation of an ore, the method comprising (a) preparing a slurry comprising the ore dispersed in a liquid; (b) contacting the slurry with a collector composition comprising a refined tall oil; and (c) recovering a beneficiated ore.

Abstract: A screw conveyor for a centrifugal separator comprises a conveyor hub carrying a helical conveyor flight and providing a helical channel between adjacent turns of helical conveyor flight. The screw conveyor has an up-stream end and a down-stream end. At least two partition walls are arranged in a side-by-side relation to divide at least a radial part of a length of the helical channel into three sub-channels arranged in a side-by-side relation to cause a liquid flowing in the helical channel to flow in an up-stream direction towards the up-stream end in an intermediate sub-channel and in an opposite down-stream direction towards the down-stream end in two adjacent sub-channels on either side of the intermediate sub-channel.

Abstract: A solid-bowl screw centrifuge is provided for the separation of multiphase material. The solid-bowl screw centrifuge has a centrifuge drum that is rotatable around an axis and the centrifuge drum has at least one outlet for discharging a phase of the material from the centrifuge drum. The outlet has a restrictor controlled by a floating body that floats on the material to adjust the outlet automatically in accordance with a liquid level of the material in the centrifuge drum, and the liquid level, in turn, is dependent on the throughput of the material. The restrictor may include a weighted body that is subjected to centrifugal force and also may include a restricting body arranged in a discharge port of the outlet. The outlet may include a deflection device for changing direction of the material flowing out to a direction that is transverse to the longitudinal axis.

Abstract: In a centrifugal scroll screen apparatus there is provided a scroll assembly (20) driven by a scroll assembly drive shaft (25) and being connected to the scroll assembly by an axial adjuster comprising a shaft cam portion (92) and a scroll portion (96) each having a respective camming surface (94) whereby relative rotation of the scroll portion (96) and the shaft portion (92) axially adjusts the proximity of the vanes to a coaxial conical screening surface, and a locking ring (97) selectively operable to rotationally secure the scroll portion (96) and the shaft portion (92).

Abstract: A device (10) for applying a fluid to a moving substrate (36) includes a nozzle head (15a, 15b, 15c, 15d) with an inlet opening (26, 26c) and an outlet opening (29a, 29b, 29c, 29d). The device further includes a supply station (11) with a fastening surface (17) with a mouth region (20a) of a fluid duct. The nozzle head is arranged so as to be pivotable relative to the fastening surface about a pivot axis (38a). The inlet opening (26, 26c) and the mouth region (20a) of the fluid duct are arranged in alignment along the pivot axis (38a).

Abstract: An improved spray apparatus designed to optimize the pattern of the texture material and the performance of the spray apparatus to look and perform similar to a hopper texture gun or texture spray rig used by professionals. The spray apparatus, has a housing defining a cavity. A transfer wheel is rotatably mounted to the housing, the transfer wheel having a hub defining a hub axis, and a plurality of transfer flaps. A propeller is rotatably mounted to the housing and positioned above the transfer wheel, the propeller having a spindle and a plurality of fins. A firing pin is attached to the housing above the propeller. An actuator is mounted to the housing to cause the propeller to rotate. A gate may be provided to control the flow of the material to the transfer wheel.

Abstract: The present invention relates to a paint spraying apparatus including a housing, a spray head, and a paint container, with a handle, a first receptacle space for a blower, and a second receptacle space for an air filter are formed by the housing. The housing includes a central housing part having a first housing portion and a second housing portion and a rear housing part. The first housing portion is configured so as to be shell-shaped and open toward the rear housing part, with the second housing portion projecting radially from the first housing portion, such that the first housing portion of the central housing part forms a first part of the first receptacle space, and a shell-shaped first housing portion, open toward the central housing part, of the rear housing part forms a second part of the first receptacle space.

Abstract: A spray gun for dispensing fluids is provided. The spray gun provides a plurality of trigger members for activating a valve of the gun and enabling dispensation of a fluid. At least some of the trigger members can be provided in force transmitting communication with at least one additional trigger member, such that activation of any one or more of the trigger members is capable of enabling dispensation of a fluid.

Abstract: An automated flowable material dispenser for dispensing flowable material from a flowable material container is provided. The dispenser may include a dispenser housing and a motor assembly. The dispenser housing may include a dispensing opening and be configured to receive the flowable material container therein. The motor assembly may be positioned within the dispenser housing and configured to translate with respect to the dispenser housing between a home position and a dispensing position to dispense the flowable material from the flowable material container. The motor assembly may include a motor housing and a motor positioned at least partially within the motor housing.

Abstract: A misting device has a form factor that allows the device to be handheld. The device includes a fluid tank that can be pressurized to force the contained fluid under pressure through a fluid delivery system. A hand-operated pump injects air into the fluid tank to pressurize the fluid tank. The pump includes a pump handle located at the bottom of the tank at one end of a rod, and a piston at the other end of the rod. A pressure-relieving air channel extends through the piston, the rod, and the pump handle to emit air out of the pump and into the environment when the fluid tank is at a maximum pressure. A pressure relief valve is disposed inside the piston to control the flow of air through the air channel. The pump handle locks against the tank using a “twist-and-lock” mechanism to remain secured in a retracted position.

Abstract: The invention relates to a method for dispensing viscous or pasty ingredients (12), which are packaged in an aseptic manner, from a tubular bag (1), which is closed prior to the first use, by means of a disposable pump (4) attached to the bag. The disposable pump (4) has an inlet (5) with a cutting element (6), and a nozzle (2) with a flange (3) is welded onto the tubular bag (1). The disposable pump (4) is rotated relative to the nozzle (2), and the tubular bag (1) is thereby cut open. A valve (9) is arranged in the region of the outlet opening of an outlet tube (8) of the pump, and the disposable pump (4) is operated after the initial opening process until a freely selectable volume has exited the closing valve. The disposable pump (4) is then operated in the opposite rotational direction in order to suction ingredients (12) present on or in the region of the valve (9) back into the outlet tube (8). In the process, the valve (9) reaches or remains in the closed valve state.

Abstract: A cosmetic container having a hiding/revealing pump outlet wherein an inner container is embedded in a cylindrical outer container includes: a first coupling body, which has a pump installation hole formed to deviate towards one side, is fixed/coupled to the upper portion of the inner container; a second coupling body, which has a pump penetration hole formed to deviate towards one side, is fixed/coupled to the upper portion of the first coupling body; a pump installed so as to penetrate the pump penetration hole of the second coupling body and the pump installation hole of the first coupling body; a pressing member configured to be exposed to the upper portion of the pump penetration hole of the second coupling body; and a cap rotatably coupled to the upper portion of the second coupling body.

Abstract: A foam-forming assembly includes a housing having an air passage and a liquid passage, each ending in a mouth and being in communication with a dispensing passage having a dispensing opening, and a valve body which, in a rest position, covers the mouth of the liquid passage and the mouth of the air passage in a sealing manner in order to prevent a flow from the liquid passage and the air passage to the dispensing passage. During dispensing, the valve body opens the mouth of the liquid passage and the mouth of the air passage in order to allow mixing of air and liquid to take place in the dispensing passage. The mouth of the air passage is substantially annular, and the air passage includes a pressure balance chamber to divide the air pressure substantially equally over the substantially annular mouth.

Abstract: A head (10) of a trigger dispenser device includes a bulb (70) having an elastically deformable casing (72) that includes a vent lip (90), molded in one piece. With the casing (72), the vent lip (90) forms a venting valve.

Abstract: An in-ground sprinkler assembly configured to be height adjustable and/or crush resistant from topside forces. An outer body is configured to receive an inner body therein. The outer body includes one or more wing members to facilitate stability and contain forces applied to the inner body. Across most embodiments, the outer body includes an interior surface configured with one or more recessed networks to facilitate the relative vertical positioning and/or movement of the inner body. The recessed networks of the outer body includes at least one vertical channel configured to engage at least one tab extending outward from the inner body. Securement of the selected vertical position of the inner body is facilitated by an upward bias on the inner body, an outward bias on one or more tabs, and/or a retaining member connected to the outer body that compresses a locking member against the inner body.

Abstract: A paint applicator, kit and methodology for using the same is disclosed. For example, a paint applicator that allows a user to load a desired amount of paint, such as a water based or other low VOC paint, into the paint applicator and an advancement mechanism that dispenses paint at a rate controllable by the user is disclosed. The advancement mechanism can include a system that translates a rotational force applied to an end cap of the applicator into a linear force that advances a piston which in turn applies paint to an applicator portion. The paint applicator may be reusable or may include a ratchet system that allows for only one time use. The methodology and kit can incorporate a syringe for loading paint into the paint applicator, thus reducing the loss of paint through spilling.

Abstract: A cartridge for a viscous-material dispenser includes a cylinder and a plunger axially slidably fitted in the cylinder and dividing the cylinder into a filling chamber and a pressurizing chamber and includes a plurality of solid spacers in an annular gap between the plunger and the cylinder for maintaining a minimum spacing between the plunger and the cylinder. The spacers at least partially define a plurality of passages that fluidically connect the filling and pressurizing chambers and are configured such that a first portion of the viscous material extending from the filling chamber into the plurality of passages forms a seal together with the solid spacers to prevent a second portion of the viscous material located in the filling chamber from entering the plurality of passages.

Abstract: A dispenser for mixing and dispensing a multi-component adhesive or sealant includes a first motor operably coupled to two or more plungers, each plunger being slidably disposed in a respective one of two or more barrels and configured to apply a dispensing pressure to respective materials to be dispensed, a second motor operably coupled to an output drive shaft having a mating end, and a coupling plate removably attached to a front end of the dispenser, the coupling plate configured to attach to a disposable mixer attachment configured to mix and dispense the multi-component adhesive or sealant, the disposable mixer attachment having a drive shaft driving a mixing component and configured to selectively couple with the mating end of the output drive shaft of the second motor, thereby enabling dynamic mixing of the respective materials to be dispensed.

Abstract: The present invention is a paint roller system comprising a frame, a paint roller that may be supported by the frame. The frame may not include any moving parts. The paint roller may have end caps incorporated therein or connected thereto that may prevent liquids from entering the paint roller. The paint roller system of the present invention may be configured to prevent paint becoming lodged in elements of the paint roller system, and to prevent corrosion or plugging. The paint roller may rotate substantially freely when positioned within the frame. The paint roller system may be utilized to adhere paint to a surface with minimal effort or force being applied by a user. The paint roller system may include a paint roller container operable for storage of a paint roller as well as engagement and disengagement of the paint roller from the frame without the user handling the paint roller directly.

Abstract: A holder for a paint striping tool as provided than has a plurality of guide pins which allow for engaging a temporary template to allow for the precise painting of single and multiple paint strips.

Abstract: A device which prints an electrically conductive pattern on a downhole tool using electrical ink includes a print head assembly and gripper claw assembly to print and manipulate the downhole tool during printing, respectively. The electrically conductive pattern may be an antenna coil, circuit or other desired pattern. After printing, the accuracy of the pattern is verified by the system and an impact resistant coating is applied to the pattern.

Abstract: The present invention provides a waterproof tape for an automobile battery which comprises a filler layer having formed on one side of a base film to exhibit excellent viscosity while being thin and has excellent shock resistance and an excellent waterproof property, and a manufacturing method.

Abstract: The present invention provides a waterproof tape having improved adhesion which comprises a filler layer having formed on one side of a base film to exhibit excellent viscosity while being thin and has excellent shock resistance and an excellent waterproof property, and a manufacturing method.

Abstract: A film-forming method for forming a thin film on a substrate includes a contact step, an external force removal step, and a film-forming step. At the contact step (step B), the substrate 30 and a member 31 in contact with one surface of the substrate is stacked, and the substrate 30 and the member 31 in contact with one surface of the substrate are placed under vacuum while an external force is applied in a direction in which the substrate 30 and the member 31 in contact with one surface of the substrate are stacked. At the external force removal step (step C), the external force is removed at atmospheric pressure or under vacuum. At a film-forming step (step E), a thin film is formed on the one surface or the other surface of the substrate 30.

Abstract: A light emitting device is provided which includes a printed board, light emitting elements, and a light-transmissive member. The light emitting elements are arranged in three or more rows, and mounted on the printed board. The light-transmissive member includes three or more semi-semi-cylindrical lens portions that are arranged side by side transversely to cover the three or more rows. The heights of the tops of the semi-cylindrical lens portions are substantially equal to each other. The semi-cylindrical lens portions include first semi-cylindrical lens portions which are arranged to cover at least the both end rows, and a second semi-cylindrical lens portion which is arranged on the interior sides relative to the first semi-cylindrical lens portions in the transverse direction. The radius of curvature of the second semi-cylindrical lens portion is smaller than the first semi-cylindrical lens portions.

Abstract: A process and apparatus for producing a gradient nanovoided article, a gradient nanovoided coating, and a gradient low refractive index coating is described. The process includes providing a first solution of a polymerizable material in a solvent, and providing a first environment proximate a first region of the coating and a different second environment proximate an adjacent region of the coating. The process further includes at least partially polymerizing the polymerizable material to form a composition that includes an insoluble polymer matrix and a second solution. The insoluble polymer matrix includes a plurality of nanovoids that are filled with the second solution, and a major portion of the solvent from the second solution is removed. A first volume fraction of the plurality of nanovoids proximate the first region of the coating is less than a second volume fraction of the plurality of nanovoids proximate an adjacent of the coating.

Abstract: An assembly and a method of joining a first part with a second part at an attachment area that includes a localized area on the first part. The localized area is cleaned and activated by a plasma jet. An organosilicon composition is applied by plasma-enhanced chemical vapor deposition to the localized area. An adhesive is applied to the localized area and the second part is mechanically fastened to the first part in the localized area.

Abstract: An inside surface of a hose for use with liquid-cooled cooling plate assemblies and other applications that contain copper (Cu) components is pre-treated with a hydrophobic coating to reduce depletion of a copper corrosion inhibitor (e.g., benzotriazole (BTA)) dissolved in a liquid coolant (e.g., deionized water) that flows through the hose. Exemplary hydrophobic coatings include, but are not limited to, polydialkylsiloxanes such as polydimethylsiloxanes. In one embodiment, a multilayer hose is immersed in a solution containing hydrophobizing siloxane monomers dissolved in a solvent. The coated multilayer hose is then dried to evaporate the solvent. As the solvent evaporates, the siloxane monomers bind together to form the hydrophobic coating. In some embodiments, one or more hoses each provided with a hydrophobic coating interconnect liquid-coolant cooling system components (e.g.

Abstract: Described is a method for producing a multicoat color and/or effect paint system. A pigmented aqueous basecoat material is used which comprises at least one phosphite of the formula (I): wherein at least one of the radicals R1 to R3 is selected from the group of aliphatic hydrocarbons. The sum total of the weight percentage fractions of all of the phosphites of structural formula (I) here is 0.1% to 5% by weight, based on the total weight of the basecoat material used. Moreover, described are the corresponding basecoat materials, the corresponding multicoat color and/or effect paint system, and the use of the phosphites in pigmented aqueous coating materials. Also described is a method for repairing defects on multicoat color and/or effect paint systems produced with the aid of the above-identified method of the invention.

Abstract: Provided is a capacitive transducer including an element including a plurality of cells supported such that a vibrating membrane including one of a pair of electrodes formed with an gap inbetween is capable of vibration, wherein a distance between a pair of electrodes of a cell in an end portion of the element is greater than that between a pair of electrodes of a cell in a middle portion of the element.

Abstract: Disclosed is a method of manufacturing a capacitive micro-machined ultrasonic transducer (CMUT) device comprising a first electrode (112) on a substrate (110) and a second electrode (122) embedded in an electrically insulating membrane, the first electrode and the membrane being separated by a cavity (130) formed by the removal of a sacrificial material (116) in between the first electrode and the membrane, the method comprising forming a membrane portion (22) on the second electrode and a further membrane portion (24) extending from the membrane portion towards the substrate alongside the sacrificial material, wherein the respective thicknesses the membrane portion and the further membrane portion exceed the thickness of the sacrificial material prior to forming said cavity. A CMUT device manufactured in accordance with this method and an apparatus comprising such a CMUT device are also disclosed.

Abstract: A bender bar acoustic transducer capable of exciting at least three resonance modes is provided. The provided bender bar acoustic transducer may be capable of exciting a second resonance mode by configuring a first portion of a piezoelectric element to contract while a second portion of the piezoelectric element expands when voltage is applied to electrodes coupled to the piezoelectric element. The bender bar acoustic transducer may be further configured such that the first portion and the second portion of the piezoelectric element both contract and/or expand to excite a first resonance mode. The bender bar acoustic transducer may be used in downhole and well logging applications.

Abstract: A piezoelectric micromachined ultrasonic transducer (PMUT) device includes a substrate having an opening therethrough and a membrane attached to the substrate over the opening. A portion of the membrane that overlies the opening is divided into a plurality of cantilevers that are mechanically coupled so that the cantilevers resonate at a common frequency.

Abstract: A powder processing apparatus includes a vessel. The vessel has an interior chamber that includes top and bottom regions, and a gas outlet to the exterior of the vessel. A wall divides the bottom region into first and second sub-regions, with the top region extending above the wall. First and second porous plates divide the first and second sub-regions such that there are first and second manifold regions below the first and second porous plates. The first and second gas manifold regions include first and second gas inlets from the exterior of the vessel.

Abstract: An object detection method includes an electromagnetic radiation emitter, and an electromagnetic radiation detector on a first side of an inspection zone, a reflective background on a second side of the inspection zone and a controller operably connected to the emitter and the detector to measure/determine a first time of travel for emitted electromagnetic radiation waves/pulses to travel from the emitter, to the reflective background, and return to the detector, and to measure/determine a second time of travel for emitted electromagnetic radiation waves/pulses to travel from the emitter of electromagnetic radiation to objects of interest passing through the inspection zone along an unsupported path of travel and to be reflected to the electromagnetic radiation detector, and any determined time of travel which varies from the first time of travel is evidence there is an object within the inspection zone and between the emitter and the reflective background.

Abstract: Methods, systems and devices for item processing. The systems can include a PASS module that can include features that receive inputs relating to an item for processing and provide those inputs to other components and/or modules of a PASS system and/or of another system. The PASS system can include a variety of modules, including the PASS module, and can collect information and/or inputs from the variety of modules of the PASS system and use that information in item processing. The methods of item processing can use the PASS system and the PASS module to perform a variety of functions including, for example, revenue protection, sorting of items, task management, sampling and data collection, redirecting if enroute items, and personnel management.

Abstract: An apparatus, system, and method for conveying an assembly along a track. A rail can include a first planar side, a second planar side, and a third planar side. The first, second, and third planar sides can be arranged to form at least two acute angles. A carriage assembly can include a drive wheel and at least two roller sets. The drive wheel can be configured to contact the first planar side and is configured to translate the carriage assembly along the rail. The at least two roller sets can be configured to contact the two other sides to maintain the carriage in contact with the rail.

Abstract: The invention is a convenient and portable device for cleaning and sharpening cutting tools for gardening such as pruners, clippers, snips, or shears when these have become fouled from working on plants which exude gummy residue or sticky sap when cut. The device includes a reservoir for holding cleaning solutions, at least one motor driving a planetary or epicyclic gearing or slippable roller drive mechanism, to rotate at least one disc so that bristles of the disc process along roulette paths which include a hypocycloid, an epicycloid, a hypotrochoid, or an epitrochoid. A motor switch detects the insertion of a gardening cutting tool and turns on the motor after a predetermined delay and for a predetermined duration. The cutting tool must be removed for the switch to be reset. The cleaning machine can be powered by internal batteries or external power.

Abstract: A mobile high-pressure cleaning apparatus is provided with a vehicle trailer, on the chassis of which at least two running wheels are held so as to be rotatable, and with a high-pressure cleaning appliance having a motor and a pump, and also with at least one water storage tank for storing water for the high-pressure cleaning appliance. So that water can be provided to the apparatus from the at least one water storage tank or from a water supply mains, without risk of water from the water supply mains being returned thereto, the high-pressure cleaning apparatus has a decoupling tank with at least one inlet which can be connected to the water supply mains, and at least one outlet which is connected to the high-pressure cleaning appliance and to at least one water supply tank via a shut-off member which can be actuated by the user.

Abstract: In order to adapt a centrifugal cleaning installation (1) in a simple manner to different components (7), the centrifugal cleaning installation (1) is provided with a clamping unit (14) for clamping and retaining a component holder (4a, 4b, 5a-5d) for the component (7). The clamping unit (14) and a drive (6) are removably connected to the component holder (4a, 4b, 5a-5d) and said component holder (4a, 4b, 5a-5d) is adapted to a specific component (7) by positioning devices (25) and/or balance weights (26) provided on the holder.

Abstract: A foreign substance collection structure, a display device and an operation method thereof are provided. The foreign substance collection structure includes a frame and a first baffle plate. The frame includes a first inside wall, the first baffle plate is configured to move toward the first inside wall. The first baffle plate includes a first surface and is capable of being moved from a position away from the first inside wall to a position where the first surface of the first baffle plate faces the first inside wall; an adhesive layer is disposed on at least one of the first inside wall and the first surface, and the adhesive layer is configured to bond foreign substances appearing on the first inside wall and/or the first surface.

Abstract: A method of thermally servicing a solvent-refining column comprises: running a closed-loop water-steam system past a top and bottom of a first column, the first column containing at least a solvent and impurities; boiling pressurized water in the closed-loop water-steam system to steam using first heat from the top of the first column; compressing the steam in the closed-loop water-steam system to a higher temperature; and providing second heat to the first column by condensing the steam at the bottom of the first column after compression.

Abstract: The present invention is directed to a self-cleaning water pipe including a secondary pipe that directs a stream of filtered water to the top of the main pipe. The stream of water is introduced to the main pipe proximate or adjacent to the mouthpiece in a lateral direction so as to cover the entire inner surface of the main pipe with a water membrane. The water membrane presents a barrier to smoke residue and particulates from being deposited on the inner surface of the main pipe. A tertiary pipe may also introduce a stream of water to a downstem pipe so as to create a similar water membrane in the downstem pipe.

Abstract: A method of cleaning an evaporator that includes at least one heat transfer element for the evaporation of water, comprising forming a sacrificial layer of a first material on a surface of the heat transfer element (1); evaporating water that includes a second material to deposit the second material on top of the sacrificial layer (2, 3); and cleaning the evaporator by removing both the sacrificial layer formed on the heat transfer element and the second layer formed on top of the sacrificial layer; wherein the first material is more easily removed from the heat transfer element than the second material (4).

Abstract: A metal sheet that features a substructure of a first aluminum alloy and at least one reinforcement that is pressed into at least one surface of the substructure, wherein the reinforcement has in at least a direction extending parallel to the surface a large extent in relation to the thickness of the metal sheet and consists of a second aluminum alloy that is harder than the first aluminum alloy.

Abstract: A laying head for forming an axially moving hot rolled product into a helical series of rings includes a quill rotatable about an axis, with a tubular body journaled for rotation between axially spaced bearings, and a nose projecting axially and forwardly from its tubular body. A product guide is carried by the quill. The product guide is configured to form the product into a helical series of rings. A guide trough provides a helical extension of the product guide. Major portions of the product guide and the guide trough are carried on a continuous helical support on the nose of the quill. The guide trough is channel shaped, with a continuous bottom defining the rim of the helical support, and with segmented detachable side walls.