Abstract: A vertical roller mill, comprising a pulverization table (3) which is accommodated in a housing (2), and rotated and driven by a table driving apparatus, two or more pulverization rollers (4) which are pressed against the upper side of the pulverization table and pulverized massive lumps and two or more roller pressure units (5) which press the pulverization rollers, wherein each of the roller pressure unit comprises a hydraulic cylinder (13) which applies the pressing force to the pulverization roller and a hydraulic circuit connected to the hydraulic cylinder, wherein an accumulator communicates with a pressure oil supply path of the hydraulic circuit, a first on-off valve is provided at the downstream side of a communicating position of the accumulator in the pressure oil supply path, a first bypass path which communicates with the downstream side of the communicating position of the accumulator in the pressure oil supply path and communicates with the downstream side of the on-off valve, and bypasses the

Abstract: The present invention is directed toward a material handling, processing and milling facility which utilizes ball milling as a means for material grinding, mixing or mechanical alloying of materials. The system includes an automatic ball charging, agitating and indexing assembly, constructed and arranged to deagglomerate and directly distribute a plurality of grinding balls to the facility. Additional components of the system include an open raceway, in mechanical engagement with the automatic ball charging, agitating and indexing assembly, a bucket elevator for receiving the grinding balls from the open raceway and elevating them to a gravity fed transport system, at least one transporting device for receiving the grinding balls from the bucket elevator; and a ball mill for receiving the grinding balls from the at least one transporting device.

Abstract: A cutting tooth having a blade-like cutting section with opposed top and bottom surfaces, opposed front and rear ends defining a length therebetween, and opposed sides defining a width therebetween, a mounting section extending down from the bottom surface of the cutting section with at least a top portion of the mounting section adjacent the cutting section defining a width smaller than that of the cutting section, the mounting section having laterally extending retaining members spaced from the cutting section and adapted to be retained in a mounting block, at least a quarter of the length of the cutting section extending past a front of the mounting section, with the front end of the cutting section terminating in a cutting edge.

Abstract: A portable grinder unit includes a plurality of grinder heads for rending waste debris. A pair of side grapple arms are independently movable between a receive position and a feed position. A top grapple arm is movable between a receive position and a feed position. The grinder unit is mountable to a support vehicle and can receive mechanical power from the support vehicle.

Abstract: A particle sorting system includes an inlet and an inertial focusing microchannel disposed in a substrate and having a downstream expanding region at a distal end, wherein the inlet is connected to an upstream end of the microchannel. A source of different shaped particles is connected to the inlet, wherein the source of different shaped particles are configured for continuous introduction into the inlet. A plurality of outlets is connected to the microchannel at the downstream expanding region. Fluidic resistors are located in the respective outlets. Different resistances may be used in the outlets to capture enriched fractions of particles having particular particle shape(s).

Abstract: An apparatus is disclosed for separating minerals in drilling fluid based primarily on density. The separator creates and maintains a slurry with a controllable density for separating minerals from drill cuttings. The density is controlled through the use of an electric coil and magnets to create a magnetic field or electrode array. The separator comprises a primary separation chamber containing the dense slurry, and a multiple number of secondary separation chambers used to separate cuttings from the drilling fluid. The invention also contains inlet hardware allowing the mixed mineral suspension to enter the first separation chamber, and hardware allowing the three outlet (separated) streams to exit the device. One of the three outlet streams carries the minerals that have a density greater than the user selectable density set point, while the second carries the minerals that have a density less than the density set point, and the third carries clean drilling fluid.

Abstract: An electrostatic screen battery for emission control (ESBEC) system includes a plurality of screens arranged in an alternating manner, so that screens at a first electric potential are interposed with screens at a second electric potential, with an ionizer disposed upstream of the screens, wherein a particulate-containing exhaust stream passing by the ionizer and then through the screens deposits particulates onto the screens. In preferred embodiments the screens have hydrophobic surfaces.

Abstract: The invention relates to a retainer for an electrostatic high-voltage electrode, containing a high-voltage insulator, on the electrode side of the insulator at least one arm having a retaining means for retaining a high-voltage electrode hanging on the retaining means preferably vertically, and on the installation side of the insulator at least one installation means for installing the retainer at an installation point outside an exhaust gas channel of a chimney. Said retainer is characterized in that the retainer is equipped with at least one restoring element, which forms an articulated connection between the at least one installation means and the retaining means and which allows the retaining means and optionally a high-voltage electrode attached thereto to move out of the way from the operating position during cleaning in the exhaust gas channel with a cleaning device and allows an automatic return to the operating position.

Abstract: A solid-wall screw centrifuge includes a discharge for discharging a clarified liquid from a drum of the centrifuge. The drum includes a passage in a drum cover associated with a weir plate. The passage, drum cover, and weir plate form an overflow weir on a radial inner edge. A deflecting device is arranged on an outside on the drum cover, the deflecting device is arranged such that an exiting fluid flow from the centrifuge is one of deflected in the circumferential direction and subjected to a twist in the circumferential direction.

Abstract: A centrifugal separator includes an inlet chamber inside a conveyor body comprising a proximal cross wall and a distal cross wall. Longitudinal walls extend between the proximal cross wall and the distal cross wall. The proximal cross wall comprises a central opening and feed ports are present between adjacent longitudinal walls. The cross walls and longitudinal walls have internal surfaces. A feed path extends from the central opening, through the inlet chamber and out through the feed ports. Wear resistance members insertable through the feed ports fully screen the internal surfaces of the distal cross wall and the longitudinal walls from the feed path and comprise longitudinal wall members with at least one flange portion.

Abstract: A centrifugal separator comprises a frame, a bearing device and a rotor having a first end and a second end. The rotor is connected to the frame via the bearing device. The rotor comprises a hollow spindle defining a central inner space. The spindle has a first portion adjoining the first end, an intermediate portion and a second portion adjoining the second end. The rotor also comprises a support element provided around the spindle, a separation space and separation discs are provided in the separation space around the first portion and against the support element. A rotor casing delimits the separation space. The support element is provided around the intermediate portion. The bearing device is connected to and provided around the second portion.

Abstract: A fluidic oscillator array includes a plurality of fluidic-oscillator main flow channels. Each main flow channel has an inlet and an outlet. Each main flow channel has first and second control ports disposed at opposing sides thereof, and has a first and a second feedback ports disposed at opposing sides thereof. The feedback ports are located downstream of the control ports with respect to a direction of a fluid flow through the main flow channel. The system also includes a first fluid accumulator in fluid communication with each first control port and each first feedback port, and a second fluid accumulator in fluid communication with each second control port and each second feedback port.

Abstract: A multipoint injector includes a nozzle body defining a fluid inlet in fluid communication with a plurality of feed bores. A plurality of swirl chambers is defined radially outward from the fluid inlet of the nozzle body in fluid communication with the fluid inlet through the feed bores. A plurality of injection orifices are respectively aligned in fluid communication with the swirl chambers for issuing a swirling spray of fluid passing from each swirl chamber through each injection orifice.

Abstract: A spray gun with a gun body having a handle region and having a head which is equipped with a cartridge which has an angled, tubular region as an inlet for a material-conducting channel which runs through the cartridge and ends in an outlet region which is arranged at the front end of the head of the spray gun, wherein the inlet region of the cartridge is connected or is connectable to a storage container for the material to be sprayed, and wherein the cartridge preferably guides at least one material-conducting component of the spray gun. The cartridge is held fixedly, but releasably, on the head of the spray gun by means of a screw collar ring, wherein the screw collar ring is preferably supported on the cartridge and/or on or in the head of the spray gun by at least one mechanism.

Abstract: A contaminant management system includes a scouting unit configured to map a perimeter including a portion of a land area where to apply a waste stream, and to transmit the perimeter to a control center configured to access data indicative of a contaminant profile of a contaminant in the portion of the land area in the perimeter, and data of a maximum allowable amount of the contaminant, and to generate a contaminant capacity profile for the portion of the land area in the perimeter. An applicator unit includes a movable container, a variable flowrate valve and a controller configured to receive the contaminant capacity profile and data indicative of a concentration of the contaminant in a volume of fluids loaded in the applicator unit, and to cause the variable flowrate valve to open, close, or maintain its position based on the location of the applicator unit relative to the perimeter.

Abstract: In order to provide a filter installation, including a filter device for cleaning a raw gas flow loaded with paint overspray, the filter device including a filter element, on which paint overspray from the raw gas flow loaded with paint overspray is configured to be deposited together with the auxiliary filter material fed to the raw gas flow, a receiving container for receiving a system of paint overspray and auxiliary filter material and a removal device for removing at least a part of the system of paint overspray and auxiliary filter material from the receiving container, by means of which filter installation a material-saving, efficient filtering operation is configured to be carried out, it is proposed that the filter installation includes a processing device for processing the system of paint overspray and auxiliary filter material.

Abstract: A nebulization structure with a nozzle plate includes a nozzle plate and a driving element. The nozzle plate is composed of a polymer and a support plate, and the support plate includes a plurality of connecting portions and a through hole, and the polymer covers the support plate and has a plurality of penetrating holes corresponding to the through hole. The driving element is coupled to the nozzle plate through the connecting portions for producing a high-frequency vibration wave through a piezoelectric effect after power is supplied and driving the nozzle plate to vibrate and break up the molecular structure of a solution into a mist, so as to achieve the nebulization effect. The nebulization structure can be installed in a nebulization apparatus to achieve a high-efficiency nebulization effect by the nozzle plate and the driving element, so as to facilitate the manufacturing process and save costs.

Abstract: A spray apparatus includes a pump, a reservoir and an atomizing unit in fluid communication within a fluid circuit. The atomizing unit comprises a housing enclosure defining an enclosed interior space. An aperture is defined a front wall of the housing, and an ultrasonic atomizer is disposed within the interior space proximate to the aperture. A fluid supply port extends into the interior space, arranged to deliver a fluid pumped by the pump to the ultrasonic atomizer. An overflow return port extends from the interior space, and is arranged to return fluid from the interior space to the reservoir. The fluid supply port may be arranged to deliver a fluid into a fluid receiving space such that the atomizer becomes at least partially immersed within a fluid during operation. Alternatively, the fluid supply port may be arranged to direct a stream of fluid against a surface of the atomizer.

Abstract: A slot curtain coating apparatus, including: ejecting unit containing coating liquid outlet to eject coating liquid; pair of guiding units, each containing auxiliary water outlet to eject auxiliary water, the guiding units being configured to support both edges of curtain film formed of the coating liquid ejected from the coating liquid outlet along width-direction substantially vertical to flow-down direction of the curtain film, and to guide the curtain film onto support transported; and transporting unit to transport the support, wherein the guiding unit has manifold portion to retain the auxiliary water, and slit portion connecting between the manifold portion and the auxiliary water outlet, the slit portion is composed of straight-line portion, and curved portion to eject the auxiliary water substantially vertically downwards, and curvature radius R of bottom part of the curved portion is 0.5 mm-3 mm, and the curved portion is provided to position at which h=T+R+S is 1.5 mm-5 mm.

Abstract: A processing apparatus for processing a flexible substrate, particularly a vacuum processing apparatus for processing a flexible substrate, is described. The processing apparatus includes a vacuum chamber; a processing drum within the vacuum chamber, wherein the processing drum is configured to rotate around an axis extending in a first direction; and a heating device adjacent to the processing drum, wherein the heating device is configured for spreading the substrate in the first direction or for maintaining a spread of the substrate in the first direction, and wherein the heating device has a dimension in a direction parallel to a substrate transport direction of at least 20 mm.

Abstract: An encasement for coating a bone plate with a substrate includes a sidewall structure having an upper edge and a cover disposed on the upper edge of the sidewall structure. The encasement includes a base from which the sidewall structure rises such that the sidewall structure, the cover and the base combine to create an open interior space of the encasement. An aperture in the sidewall structure provides access to the open interior space of the encasement and a plurality of cover protrusions extend from the cover into the open interior space. The encasement further includes a plurality of base protrusions extending from the base directly opposing the plurality of cover protrusions. A combined height of an individual cover protrusion and an opposing base protrusion is less than or equal to a height of the sidewall structure.

Abstract: A nozzle that includes a connecting section, a main hollow elongated and conical body, a bell shaped section and an injection bottom is described. The design of the connecting section allows it to be connected to injections machines or to a sealant containing cartridges. The injection button is non-permanently connected to the bell shaped section and it has a circular central protrusion, a series of radially oriented channels ending in circularly positioned openings, which facilitates the direction of the expelled sealant. Alternatively, the button may also include lateral grooves at the walls of the central circular protrusion. The particular design of the injection button allows an efficient and highly accuracy distribution of the sealant on the surfaces and selected parts of machines and artifacts wherein the sealant is applied.

Abstract: A paint roller assembly has a handle, a shaft with one end connected to the handle and an opposite end, and a roller head carried on the other end of the shaft. At least a portion of the paint roller assembly has a superhydrophobic surface.

Abstract: An apparatus (20) for producing a particle film according to the present invention is an apparatus for producing a particle film by sweeping a meniscus area (5) in a particle dispersion liquid (4) filling a space between a first substrate (1) and a second substrate (2) facing the first substrate (1) and by forming the particle film on the first substrate (1) while evaporating a solvent in the meniscus area (5), including: particle concentration measuring means (3) for measuring a concentration of particles in the meniscus area (5); and particle concentration adjusting means (13) for adjusting the concentration of particles in the meniscus area (5) in accordance with the particle concentration measured by the particle concentration measuring means (3).

Abstract: An arrangement for processing a paper web having a low surface area density not exceeding 70 g/m2, in particular a cigarette paper web, that may include in a conveyance direction: an input side, over which the paper web is fed into the arrangement; an output side, over which the paper web leaves the arrangement; a device downstream of the input side, in particular a printing unit, preferably a gravure printing unit, for applying a liquid printing medium to the paper web; a first drying station following the applying station in direction of conveyance, in particular hot-air drying, for drying the printing medium applied to the paper web; a device following the first drying in direction of conveyance for moistening the paper web and a second drying station following the moistening device in direction of conveyance, by which the moistened paper web is dried.

Abstract: A thin-film optoelectric device is disclosed comprising a functional layer structure (30) enclosed between a first barrier layer structure (20) and a second barrier layer structure (40), the device having an open, electrically interconnected conductive structure (10) that is embedded within the first barrier layer structure (20), that comprises at least one elongated element (12a, 12b, 12c) of a metal that laterally extends within the barrier layer structure (20), and that is arranged against the functional layer structure (30), the electrically interconnected conductive structure (10) having a laterally facing, processed surface embedded in the first barrier layer (20).

Abstract: The subject of the invention is a process for obtaining a material comprising a substrate provided on at least one of its faces with a permanent coating comprising at least one thin film, said process comprising the following steps: said permanent coating is deposited on at least one of the faces of said substrate; then a temporary coating is deposited directly on top of said permanent coating, said temporary coating comprising, as the layer closest to the substrate, at least one thin film soluble in a solvent, surmounted by at least one functional layer; then the substrate thus coated is subjected to a heat treatment; and then said coated substrate is treated with said solvent so as to remove said temporary coating from the surface of said substrate.

Abstract: It has now been determined that a first coating layer may be applied to a substrate by a first coating die in a much thinner layer than its rheological properties and/or surface properties would normally allow. This is accomplished by using a second coating fluid dispensed from a second coating die acting as a “dynamic liquid squeegee” to transport, spread, even, or meter the first coating layer on the substrate by varying a gap between the second coating die and the substrate.

Abstract: A method of forming a silicone release layer on a substrate, for an intermediate transfer member of a digital offset printing system, the method including: a) providing a curable first primer on the substrate; b) providing a curable second primer on the substrate; c) providing a curable silicone release formulation on the curable first and second primers; and d) curing the first primer, the second primer and the release formulation.

Abstract: A micromachined ultrasonic transducer (MUT) circuit, which has a MUT with a MUT membrane that can vibrate back and forth to transmit an ultrasonic wave, electrically controls the movement of the MUT membrane by controllably transferring energy to the MUT membrane, thereby allowing the MUT membrane to transmit substantially any desired ultrasonic wave.

Abstract: A transducer assembly is disclosed. The transducer assembly includes a first transducer element comprising a first row of ultrasonic transducers and a second transducer element comprising a second row of ultrasonic transducers. The first row of ultrasonic transducers can be arranged at a nonzero angle with respect to the second row of ultrasonic transducers. The first transducer element and the second transducer element can be detachably connected. A connector can be in electrical communication with the first transducer element and the second transducer element, where the connector is configured to be connected to an endoscope.

Abstract: A system and method for separating mixed materials employing an angled screen that is moved through a vertically oriented circular path by a single drive element.

Abstract: A technology for material separation is provided. The technology enables an output of a first material from a rotary lifter. The technology enables a direction of a fluid stream onto the first material in flight based on the output of the first material such that the first material is separated into at least a second material and a third material. The technology enables a conveyance of the second material away from the rotary lifter. The technology enables a removal of the third material via a vacuum port.

Abstract: A method and device for processing and transporting items, particularly mail items, measure a processing attribute for each item. A value which each predefined feature assumes for the item is measured. A data record for the item is generated including the measured feature values and the measured processing attribute value. The item is transferred into an intermediate storage device, into a transport device and to a processing system. After reaching the processing system, a value is newly measured which each predefined feature assumes for this item. The data record generated for this item is determined using the feature values from the new measurement. If this item has an identification read clearly during the new measurement, the data record is determined based on this identification. Otherwise, a search with a restricted search space is executed. The processing system processes the item using the processing attribute value in the determined data record.

Abstract: The disclosure herein provides devices and methods for dispensing fluids and wiping surfaces. A cleaning device comprises a housing having an internal cavity configured to retain a cleaning fluid, a dispenser in fluid communication with the internal cavity and having a dispensing surface configured to dispense at least a portion of cleaning fluid from the internal cavity, and a wiper having a wiping surface configured to wipe dispensed fluid from a surface being cleaned.

Abstract: A dispenser feeds tablets from a storing section to a packaging section. A tablet-adhered powder removal device is provided in a preparation section between the storing section and the packaging section. The preparation section has rotating open-top receiving portions, and the tablets for one package are fed to each receiving section. One side wall of each receiving section includes a fixed plate having a groove-ridge portion, while the opposite side wall includes a swing plate. The swing plate vibrates when a cam roller rides on protrusions during the rotation of the receiving portion. Due to the vibration, the powder adhered to the tablets between the plates is stripped and removed. The powder falls from a gap formed by opening the plates, and is discharged to the outside. When the cam roller rides on a cam, the swing plate is swung and drops the tablets in the receiving portion.

Abstract: A method for treating LNAPL source zones using a cost effective LNAPL source zone technology to degrade residual LNAPL, by introducing bioremediation amendments comprising nutritional supplements in quantities, locations, and depths required to stimulate and sustain the anaerobic biodegradation of an LNAPL source zone; monitoring the LNAPL source zone for adverse conditions that decrease anaerobic LNAPL biodegradation; eliminating any identified adverse conditions to sustain LNAPL biodegradation; and maintaining the water with nutritional supplements in quantities, locations, and depths required to stimulate and sustain the anaerobic biodegradation of LNAPL.

Abstract: A pipe element has a circumferential shoulder at one end. The shoulder has an outer diameter greater than the outer diameter of the pipe element. A groove is positioned adjacent to the shoulder. The groove has a floor surface with an outer diameter less than the outer diameter of the pipe element. A bead is positioned contiguous with the groove. The bead has an apex with an outer diameter greater than the outer diameter of the pipe element. A combination of roller tools is used to cold work pipe elements and impart a desired shape to the sidewall in one method of manufacture. In another method, a spin forming tool is revolved in an orbit of increasing diameter within the pipe element captured within a die.

Abstract: To increase the life of a plug used in a piercing machine for piercing-rolling a billet. The plug (10) is used in a piercing machine (30) that piercing-rolls a billet (36). The plug (10) includes a plug body (12), a build-up layer (14), and a sprayed film (16). The build-up layer (14) is formed on a surface of the plug body (12). The sprayed film (16) covers at least an area ranging from the rear end of the build-up layer (14) to a position of the maximum outer diameter of the plug body (12).

Abstract: The object is to provide a method of detecting a fault which ensures high-accuracy detection of a fault in piercing-rolling. A piercing-rolling mill (10) is provided with piercer rolls (1a, 1b), a piercer plug (3), a rolling load sensor (4), a thrust load sensor (5), and a control device (6). The control device (6) measures a rolling load parameter corresponding to the rolling load of the piercer rolls (1a, 1b) and a thrust load parameter corresponding to the thrust load of the piercer plug (3), and detects a fault in piercing-rolling on the basis of a measured value of the rolling load parameter and a measure value of the thrust load parameter.

Abstract: A roller leveler for flattening a metal sheet or plate having a cut-sheet form includes leveling rolls disposed in a staggered state on upper and lower sides of a pass line and configured to sandwich and flatten the metal sheet while pressing it therethrough, a hydraulic pressing cylinder configured to press the metal sheet via the leveling rolls, a drive unit configured to rotate the leveling rolls, and a pinch roll unit disposed on one side of a leveling roll array area and including a pair of pinch rolls. The pressing cylinder presses the metal sheet via the leveling rolls with a pressing amount necessary for flattening the metal sheet, while the metal sheet is passed by a drawing force applied by the pinch rolls and a driving force applied by the drive unit.

Abstract: A refitting mechanism for measuring a flatness value of a workpiece and refitting the workpiece includes a worktable, a refitting assembly, a measuring unit, and a controller. The refitting assembly is movably assembled to the worktable. The holding assembly is assembled to the worktable and adjacent to the refitting assembly for holding the workpiece on the worktable. The measuring unit is assembled to the refitting assembly. The controller is electrically connected to the refitting assembly, the holding assembly, and the measuring unit. The measuring unit measures a flatness value of the workpiece and transfers the flatness value to the controller. The controller compares the flatness value with a preset value range to determine whether the workpiece is qualified or not. When the workpiece is not qualified, the controller controls the holding assembly to hold the workpiece, and controls the refitting assembly to refit the workpiece.

Abstract: A method of forming circumferential grooves in pipe elements using opposed rollers to cold work the pipe elements determines the diameter of the groove while the pipe element is rotated between the rollers. A device for executing the method uses the instantaneous determinations of the groove diameter in a feed-back loop to control the operation of the device and halt groove formation when the groove diameter is within a specified tolerance.

Abstract: A prediction equation “R0/t?(2R/t+(2R/t+1)?f)/2(1?(1+2R/t)?f)” is derived which predicts that bendability-dominated fracture will not occur when the critical surface strain ?critical is not exceeded by a strain on the metal sheet surface causing the occurrence of ductility-dominated fracture that is obtained from the minimum curvature radius R0 of a press-forming mold and the critical strain ?f in a plane strain region in a forming limit diagram. The minimum curvature radius R0 of a mold required to prevent the occurrence of bendability-dominated fracture is estimated, and the mold is designed with a curvature radius that is not less than the curvature radius R0.

Abstract: There is provided a wing panel having improved formability at the time when the wing panel is curvedly formed by the peen forming method, and an aircraft main wing provided with the said wing panel. For a stringer member 20, a base part 21 is formed, and the neutral axis position N in the cross-sectional direction is located on the wing panel 11 side from the center position C in the height direction of a web part 22. When the peen forming method is carried out by projecting metal shots to a portion near a flange part 23 in the tip end portion of the stringer member 20, the tensile strain developing in the portion near a flange part 23 acts in a state in which the moment length around the neutral axis position N is kept long.

Abstract: A device for separating band strips of a longitudinally divided band includes a stationary separating shaft having separating discs arranged on the separating shaft. The separating discs are positioned on the separating shaft, such that the separating discs are mutually spaced apart by distances that correspond to a band strip width of band strips being separated. A clamp integrated into the separating shaft clamps the positioned separating discs on the separating shaft. A disc positioner automatically positions the separating discs on the separating shaft in accordance with a cutting program, wherein the disc positioner is integrated into the separating shaft in addition to the clamp clamping the separating discs on the separating shaft.

Abstract: A recess is formed on the periphery of each of through-holes that go through a rim cavity, and the outer surface of a rim part is cut while a seal member for sealing the through-hole is positioned on the recess. It is thereby possible to stably manufacture a vehicle wheel in which swarf tends not to remain inside the rim cavity. Furthermore, it is not necessary to avoid the seal member for sealing the through-hole when cutting the outer surface of the rim part, and the outer surface of the rim part can be cut without any distinction having to be made between the periphery of the through-hole and the rest of the outer surface. Any increase in manufacturing costs can be minimized.

Abstract: A net, in particular for protection, safety, water-rearing or architectural purposes, is braided together from individual helically curved longitudinal elements (3) to form a braided structure. Individual longitudinal elements (3) curved into a cylinder or screw shape are twisted one inside the other with adjacent ones and compressed such that the braided structure is in more or less planar sheet-like form and the longitudinal elements (3) here each form more or less rectilinear limbs (8a, 8b; 9a, 9b) and curves (10a, 10b; 11a, 11b) therebetween. The curves (10a, 10b; 11a, 1b) between elongate limbs (8a, 8b; 9a, 9b) are inflected in kink form. This gives a net design with unexpectedly high strength values.

Abstract: A retention clip assembly to join individual panels with aligned pilot holes comprises a body having an enlarged flange and a generally cylindrical leg defined by a plurality of spaced leg segments surrounding a pin insertion hole. The leg segments are separated by spaced slits and define a central passage. A pin having an enlarged head and an elongate shaft is slidable in the central passage. It engages cam projections on the interiors of the leg segments and expands the segments to secure the body to the panels. The pin includes flexible fingers having radially outer surfaces spaced apart a distance greater than the body leg deformable toward the pin shaft. The flexible fingers pass through the body flange and expand after surpassing the pilot holes in the panels. The flexible fingers slide in diametrically opposed slits, contact the edges of the pilot holes and stabilize the clip assembly within the pilot holes.

Abstract: The invention provides a manufacturing method of a component of a split blade of a wind turbine (such as an inboard shell or an inboard spar) having joining elements with its complementary component (i.e. an outboard shell or an outboard spar). The method comprises the following steps: a) manufacturing a joint laminate of a composite material having embedded into it the joining elements, said joint laminate being configured for becoming a part of the component; b) manufacturing the component using as a preform said joint laminate. The invention also refers to a split blade comprising components manufactured by said manufacturing method.