Abstract: The disclosure relates to an electrolysis system and method. The electrolysis system comprises a heating device for heating water above its boiling point (such as steam generator or flash desalinator) to produce a processed water product (such as steam or desalinated water). It also includes an electrolyzer that receives the processed water product to produce hydrogen gas and oxygen based on the processed water product. The system also includes a compressor that receives hydrogen gas and compresses the hydrogen gas, the compressor heating the hydrogen gas to a heated gas temperature; and a cooling system that cools the hydrogen gas from the heated gas temperature to a cooled temperature. The system also includes a heat transfer system that transfers absorbed heat from the cooling system to the heating device, the heating device producing the processed water product at least in part using the absorbed heat.

Abstract: A self-cleaning CO2 reduction strategy is proposed herein including alternating operation and regeneration of the CO2 electrolysis system. The strategy includes application of short and periodic reductions in applied voltage, thereby avoiding saturation and prevention of carbonate salt formation.

Abstract: An electrochemical additive manufacturing method includes coupling a first electronic device to a build plate and positioning the build plate into an electrolyte solution. The method also includes positioning a deposition anode array into the electrolyte solution, connecting the cathode portion of the build plate and one or more deposition anodes of the abide array to a power source. The method also includes transmitting electrical energy from the power source, through the one or more deposition anodes, through the electrolyte solution, and to the cathode portion of the build plate, such that material is deposited onto the cathode portion and forms at least a sidewall of a shell that encases the first electronic device against the build plate when the first electronic device is coupled to the build plate. The shell and the first electronic device form a second electronic device.

Abstract: An additive composition for plating solution is to enhance wear resistance and gloss properties of plating. The additive composition may include at least one material selected from the group consisting of tungsten, phosphorus and indium. When the additive composition for a plating solution is added to an existing IR plating solution, it can be used for a long period of time, and the gloss becomes excellent after plating, and the gloss-lasting time is prolonged.

Abstract: A metal-coated article that comprises a substrate, a transition metal region adjacent to the substrate, and a platinum-group metal region adjacent to the transition metal region. The transition metal region comprises a transition metal carbide layer adjacent to the substrate. The platinum-group metal region comprises a transition metal/platinum-group metal layer that is adjacent to the transition metal region and a platinum-group metal layer adjacent to the transition metal/platinum-group metal layer. Related methods are also disclosed.

Abstract: This invention involves an alumina-based coating deposited on a steel or copper metallic component for enhanced anti-corrosion and electric insulation properties. The coated metallic component can be a bearing, laminate, shaft, gear, bolt, washer, bush or shim made of steels; or wire and hairpin winding made of copper.

Abstract: An ionically resistive ionically permeable element for use in an electroplating apparatus includes ribs to tailor hydrodynamic environment proximate a substrate during electroplating. In one implementation, the ionically resistive ionically permeable element includes a channeled portion that is at least coextensive with a plating face of the substrate, and a plurality of ribs extending from the substrate-facing surface of the channeled portion towards the substrate. Ribs include a first plurality of ribs of full maximum height and a second plurality of ribs of smaller maximum height than the full maximum height. In one implementation the ribs of smaller maximum height are disposed such that the maximum height of the ribs gradually increases in a direction from one edge of the element to the center of the element.

Abstract: The present invention relates to a method for producing a layered body, wherein the layered body comprises an electrically conductive substrate, the surface of which is at least partially coated with a layer containing an electrically conductive polymer. The invention also relates to a layered body obtainable by this method, to a layered body comprising an electrically conductive substrate and a layer containing an electrically conductive polymer, which layer is deposited on at least a part of the surface of the electrically conductive substrate, to a medical device and to the use of a layered body.

Abstract: A susceptor assembly for supporting a crucible during a crystal growth process includes a susceptor base, a tubular sidewall connected to the susceptor base, and a removable sacrifice ring interposed between the susceptor base and the sidewall. Each of the susceptor base and the sidewall is formed of a carbon-containing material. The susceptor base has an annular wall and a shoulder extending radially outward from an outer surface of the annular wall. The sidewall has a first end that receives the annular wall to connect the sidewall to the susceptor base. The sacrifice ring has a first surface that faces the outer surface of the annular wall, a second surface that faces an interior surface of the sidewall, and a ledge extending outward from the second surface that engages the first end of the sidewall.

Abstract: An ingot growth apparatus is disclosed. The ingot growth apparatus according to an embodiment of the present invention may comprise: a growth furnace having a main crucible which is disposed inside the growth furnace and in which molten silicon is held in order to grow an ingot; a susceptor formed to surround the outer surface of the main crucible and heating the main crucible; a heater formed to surround the outer surface of the susceptor and including a coil which is supplied with power to generate a magnetic field and heats the susceptor by electromagnetic induction from the magnetic field; and a heat insulation member disposed between the coil and the susceptor.

Abstract: A wafer manufacturing method, an epitaxial wafer manufacturing method, and a wafer and epitaxial wafer manufactured thereby, are provided. The wafer manufacturing method enables the manufacture of a wafer with a low density of micropipe defects and minimum numbers of particles and scratches. The epitaxial wafer manufacturing method enables the manufacture of an epitaxial wafer that has low densities of defects such as downfall, triangular, and carrot defects, exhibits excellent device characteristics, and improves the yield of devices.

Abstract: A single crystal pulling apparatus includes: a pulling furnace having a central axis; and magnetic field generating apparatus around the pulling furnace and having coils, for applying a horizontal magnetic field to molten semiconductor raw material to suppress convection in crucible, in which, main coils and sub-coils are provided, as the main coils, two pairs of coils arranged facing each other are provided, two coil axes thereof are included in the same horizontal plane, a center angle ? between the two coil axes sandwiching the X-axis, which is a magnetic force line direction on the central axis in the horizontal plane, is 100 degrees or more and 120 degrees or less, as the sub-coils, a pair of superconducting coils arranged to face each other is provided and its one coil axis is aligned with the X-axis, and current values of the main coils and the sub-coils can be set independently.

Abstract: Disclosed herein include systems, methods, compositions, and kits for determining the expression of highly expressed proteins and lowly expressed proteins. In some embodiments, primers allowing generation of separate libraries for abundant AbSeq protein profiling oligonucleotides and scarce AbSeq protein profiling oligonucleotides are provided.

Abstract: The present disclosure relates to compositions and methods for targeting antigenically variable pathogens and diseases. Embodiments of the present disclosure involve of the construction of variable epitope libraries (VELs) containing mutated versions of epitopes derived from antigens associated with various diseases for treating subjects in both therapeutic and prophylactic settings. The present disclosure also provides compositions and methods for the production of VELs based on CTL-derived epitopes of survivin, an oncogenic inhibitor-of-apoptosis. Given the large number of potential epitopes expressed in tumors, and the dynamic nature of the tumor epitope landscape, there is a need to develop compositions and methods for targeting various antigenic epitopes to counteract immune escape.

Abstract: The invention is directed to a method for obtaining a nucleic acid library of a sample comprising polynucleotides comprising the steps a. multiplying the polynucleotides by a polymerase b. fragmenting the multiplied polynucleotides by creating nicks c. coupling an oligonucleotide sequence to the nicks to create the target library wherein step a) is performed by providing A, T, G, C and U nucleotides wherein the molar ratio of T and U is between 200:1 and 5:1 and step b) is performed by excision of the U nucleotides. characterized in that after step b), the nicks are provided with a polymerase exhibiting 5? #3? exonuclease activity, thereby filling in the 3? recessing ends and removing the 5? overhangs of the nicks.

Abstract: Disclosed is a nozzle block applied to an electrospinning device. At least one piercing unit (means of piercing) having a diameter smaller than the inner diameter of a spinning nozzle is coaxially disposed inside the spinning nozzle in order to prevent solidification of a solution at a tip of the spinning nozzle. The present disclosure includes a first cleaning mechanism for cleaning the spinning nozzle by reciprocating the piercing unit and the spinning nozzle relative to each other so that the tip of the spinning nozzle is unclogged, and a second cleaning mechanism for cleaning aggregates deposited around and outside the tip of the spinning nozzle through chemical cleaning and/or physical cleaning when the electrospinning process is temporarily stopped or after the electrospinning process is completed.

Abstract: A cam-driven wire mesh-type electrospinning apparatus and a use method therefor are provided. The cam-driven wire mesh-type electrospinning apparatus includes the following components: a high-voltage (HV) power supply unit, a wire mesh-type spinneret, a fiber receiving device, a cam unit, and a solution supply unit. The positions and connection relationships of all the components are as follows: any end of the wire mesh-type spinneret is connected to the HV power supply unit, and the other end of the wire mesh-type spinneret is connected to the cam unit; the wire mesh-type spinneret is installed on the solution supply unit; and the fiber receiving device is positioned right above the wire mesh-type spinneret. The cam-driven wire mesh-type electrospinning apparatus may induce a solution to be uniformly distributed on a wire mesh plane, and adjust the density of jet flow and the distribution position of the jet flow.

Abstract: A method of manufacturing bulked continuous carpet filament from a plurality of polymer flakes comprises: (1) providing an extruder; (2) melting and purifying the plurality of polymer flakes into a polymer stream using the extruder; (3) providing a static mixing assembly downstream of the extruder; (4) adding a first liquid colorant to a center of the polymer stream at a first location before the static mixing assembly or along a length of the static mixing assembly; (5) adding a second liquid colorant to the polymer stream at a second location before the static mixing assembly or along a length of the static mixing assembly; (6) using the static mixing assembly to mix the polymer stream with the first and second liquid colorant to create a colored polymer stream; and (7) forming the colored polymer stream into bulked continuous carpet filament.

Abstract: An apparatus is disclosed for electromagnetically and thermally treating polymeric materials, including PAN and other carbon fiber precursors at large scale at atmospheric pressure, while measuring the temperature in the closed environment of the process chamber. The apparatus is designed for continuous processing, and to be compatible with other stages of existing carbon fiber production lines. It provides direct electromagnetic coupling to the fiber tow(s) in the near-field region of one or more microwave waveguide launchers and also provides direct radiative or IR heating from susceptor plates located on the opposite side of the tow from the waveguide opening for processing a band of multiple tows of fiber. It produces low-temperature-carbonized (LTC) fiber with shorter residence time and higher density compared to the conventional process. Its design is inherently scalable to larger production. A related method is also disclosed.

Abstract: An apparatus and method for the low temperature carbonization of a continuous tow of polymeric material fiber, such as PAN or other carbon fiber precursor materials at atmospheric pressure in an inert gas (usually nitrogen or argon) is disclosed. A pair of antennas are arranged within an electromagnetic cavity and face each other in an edgewise fashion for direct electromagnetic heating of the fiber tow as it passes between them. Supplemental background heating increases the dielectric loss of the fiber tow in order to improve absorption of electromagnetic energy and prevent arcing. The invention produces a higher density low temperature carbonized fiber in a shorter residence time compared to conventional low temperature carbonization.

Abstract: A supported spindle holding device is described herein for holding a supported spindle while spinning fiber into yarn or thread. The device having an elongated body and a bowl disposed on the body for retaining the spinning tip of the supported spindle.

Abstract: The present application relates to a hybrid cord including a bio-based nylon primarily twisted yarn. According to the present application, while including a primarily twisted yarn including bio-based nylon having a higher modulus compared to chemical-based nylon, there is provided a hybrid cord and has elongation and fatigue resistance equivalent to or higher than commercially required levels (i.e., the level that the cord including a conventional chemical-based nylon primarily twisted yarn has).

Abstract: The present disclosure relates to the field of textiles, and in particular, to a multifunctional temperature-adaptable yarn, and a preparation method and use thereof. A multifunctional temperature-adaptable yarn is prepared from 20-30% of a temperature-adaptable fiber, 20-30% of an antibacterial fiber, and 40-60% of a cotton fiber in mass percentage by blending. The cotton fiber is a short fiber having a length of 10-50 cm. The multifunctional temperature-adaptable yarn has a linear density of 18-45 tex, a single yarn breaking strength of 12.5-12.8 cN/tex, a single yarn breaking strength coefficient of variation (Cv) of 11.5-12.5%, and a coefficient of variation of mass (CVm) of 11.3-11.4%. The multifunctional temperature-adaptable yarn in the present disclosure is made by blending three types of fibers and thus enabled to have good antibacterial and temperature adaptation properties.

Abstract: The present disclosure relates to a woven textile fabric, the fabric including: a 100% cotton warp yarn with a yarn count of 30 s to 80 s; and a 100% recycled multifilament textured polyester weft yarn with a denier of 10 D to 140 D, wherein the total content of recycled polyester in the fabric is at least about 35%, further wherein said fabric exhibits rating of 3 or above when the fabric is tested for pilling after 1000 rubs. The advantageous fabric realized in accordance with embodiments of the present disclosure has excellent wrinkle resistance, high tensile strength, and low pilling tendency.

Abstract: The present disclosure relates to a woven textile fabric, the fabric including: a warp yarn with a yarn count of 20s to 60s comprising a blend of a cotton, a recycled cotton and a recycled polyester; and a weft yarn with a yarn count of 20s to 60s comprising a blend of a cotton, a recycled cotton and a recycled polyester, wherein the total content of the recycled cotton in the fabric is at least about 15%, further wherein said fabric exhibits rating of 3 or above when the fabric is tested for pilling after 1000 rubs. The advantageous fabric realized in accordance with embodiments of the present disclosure has excellent wrinkle resistance, high tensile strength, and low pilling.

Abstract: Disclosed herein are methods for producing core-sheath structures by shaping at least one filament bundle containing a plurality of filaments to form at least one shaped strand of filaments, and braiding a plurality of strands, including the at least one shaped strand of filaments, over a core to form the core-sheath structure containing a braided sheath of the strands surrounding the core, wherein the shaped strand of filaments is an untwisted strand having a twist level of less than 1 turn per meter, a cross-sectional aspect ratio of the shaped strand of filaments is at least 3:1, as measured in the braided sheath, a thickness of at least a portion of the braided sheath ranges from about 10 to about 200 ?m, and the braided sheath comprises a synthetic fiber having a tensile strength of greater than 12 cN/dtex. Also disclosed herein are core-sheath structures formed by such methods.

Abstract: Systems, methods and apparatus for a meltblown die comprising a die body; a die tip mounted to the die body and having one or more capillaries, wherein the die tip is configured to direct polymer out through the one or more capillaries into a forming zone, a plurality of passages having an interior region and configured to direct attenuating fluid through the interior region and out into the forming zone; and an air management device having a plurality of air shaping devices, wherein the air management device is at least partially within at least one of the plurality of passages, and the plurality of air shaping devices are configured to re-arrange air flow in the at least one of the plurality of passages to reduce turbulence of the attenuating fluid in at least one of the interior region and the forming zone.

Abstract: Systems and methods relate generally to textile patch attachment to a textile material. In an example, a method relating generally to textile patch attachment to a textile material is disclosed. In such a method, design and coloring of a textile patch and the textile material is detected. This detection includes: capturing images of the textile patch and the textile material with a camera; sending the images to a programmed computer system in communication with the camera for image processing; determining thickness and colors of the textile patch and the textile material from the image processing of the images; and determining position of the textile patch relative to a pattern of the textile material from the image processing of the images. After the detecting, data obtained from the detecting is displayed on a display screen of the programmed computer system.

Abstract: A coordinate data generator comprises a coordinate data storage to store a coordinate data of needle positions; and a post-addition coordinate data generation section to add independent values to a X coordinate value or a Y coordinate value of the coordinate data for each item of the coordinate data stored in the coordinate data storage, so as to generate new coordinate data.

Abstract: Systems and methods for automated manufacturing of flexible goods and related technologies are disclosed. A workpiece can be processed to temporarily change its physical properties for facilitating handling and assembly operations. The system can include one or more automated handling apparatuses for transporting workpieces between workstations. Each workstation can perform a different stage of the manufacturing process. After the goods have been manufactured, the goods can be processed such that is returns to its original physical properties.

Abstract: A laundry treating apparatus is disclosed. The laundry treating apparatus includes a first treating apparatus having a first front panel disposed on a front face thereof, a second treating apparatus disposed beneath the first treating apparatus to support the first treating apparatus, wherein the second treating apparatus has a second front panel disposed on a front face thereof, and a control panel disposed between the first front panel and the second front panel, wherein the control panel is signally connected to the first treating apparatus and the second treating apparatus, wherein the control panel has a top face facing toward the first front panel. A drain passage extending along a lateral direction is defined in the top face, so that water delivered to the top face flows in the lateral direction along the drain passage and is drained.

Abstract: Methods and systems of load balancing a heat pump in fluid communication with a plurality of combination washing and drying machines are disclosed. A method of loading balancing the heat pump includes receiving, at a controller, a cycle status of each one of a plurality of combination washing and drying machines, identifying an available machine, determining, based on one or more load characteristics, a washing and drying cycle duration of a load of laundry. The controller is configured to determine a cycle start time of the available machine based on the determined cycle duration and temperature profiles, a cycle status of each one of the remainder of the plurality of machines, and staggering washing and drying cycles between the identified available one of the plurality of machines and the remainder of the plurality of machines to balance load on the heat pump.

Abstract: A method of operating a washing machine appliance includes measuring a humidity value with the humidity sensor and comparing the measured humidity value to an expected humidity value. The method also includes flagging a fault in response to the measured humidity value differing from the expected humidity value by at least a predetermined threshold.

Abstract: A method of drying a load of articles in a wash basket of a washing machine appliance includes determining a drying time for the load of articles. The drying time may be determined based on a load type and/or load size of the load of articles. The method further includes rotating the wash basket within the washing machine appliance for the determined drying time.

Abstract: Disclosed herein is a washing machine and a control method thereof, and more particularly, to a technology capable of controlling washing modes in various manners by manipulating a control panel of the washing machine. The washing machine includes a display configured to display a washing mode, an inputter configured to receive a washing mode select command, a storage configured to store a selected washing mode, and a controller configured to allow a washing mode, which has the largest number of times selected during a predetermined number of times of washings, to be displayed on a first screen of the display, and in response to the number of the washing mode having the largest number of selection times being plural, configured to allow a washing mode, which is the last selected among the plurality of washing modes, to be displayed on the first screen of the display.

Abstract: A washing machine including a bearing housing to rotatably support a shaft configured to drive the drum and insertable into the tub, the bearing housing including a stator coupling portion to which a stator of a drive motor configured to rotate the shaft is coupled, and a plurality of leg portions spaced apart along a circumferential direction of the stator coupling portion. The plurality of leg portions include a leg plate including a first end connected to the stator coupling portion and a second end formed to extend along a radial direction of the stator coupling portion from the first end, a connection portion provided to connect between adjacent first ends of the plurality of leg portions, a separation space formed between second ends of the plurality of leg portions, and an outer rib formed along an edge of the leg plate and the connection portion.

Abstract: A handheld pressing and steaming appliance includes: an upper arm; a lower arm attached at one end to an end of the upper arm; a steam generation unit mounted on the upper arm; a water reservoir located in the upper arm and/or the lower arm; a water pump fluidly connected to the water reservoir and to the steam generation unit; a heating plate mounted near a free end of the upper arm and including a plurality of first exhaust holes that are in fluid communication with the steam generation unit; and a bearing plate mounted on the lower arm at a free end thereof, the bearing plate including a plurality of second exhaust holes. The appliance is movable between open and closed positions. In the closed the second exhaust holes are substantially aligned with the first exhaust holes, such that steam exhausted from the first exhaust holes also passes through the second exhaust holes.

Abstract: A handheld pressing and steaming appliance includes: an upper arm; a lower arm attached at one end to an end of the upper arm; a steam generation unit mounted on the upper arm; a water reservoir located in the upper arm and/or the lower arm; a water pump fluidly connected to the water reservoir and to the steam generation unit; a heating plate mounted near a free end of the upper arm and including a plurality of first exhaust holes that are in fluid communication with the steam generation unit; and a bearing plate mounted on the lower arm at a free end thereof, the bearing plate including a plurality of second exhaust holes. The appliance is movable between open and closed positions. In the closed the second exhaust holes are substantially aligned with the first exhaust holes, such that steam exhausted from the first exhaust holes also passes through the second exhaust holes.

Abstract: A high-capacity laundry bag convenient for dragging and taking clothes, and foldable for storage, includes a bag body. The laundry bag further includes a bottom pull window convenient for reaching out for clothes, disposed on a side of a bottom of the bag body, a capacity expansion layer capable of expanding clothes holding capacity, disposed at a top of the bag body, and a rolling wheel capable of supporting and moving the bag body, disposed at the bottom of the bag body.

Abstract: Disclosed herein a method of manufacturing a carbon fiber-reinforced composite including a thermal barrier coating layer, the method includes: preparing a thermal barrier coating layer; preparing a substrate including a carbon fiber fabric; and attaching the thermal barrier coating layer on an upper portion of the substrate and molding a composite with a resin transfer molding.

Abstract: A printing system includes a pretreatment unit that applies a pretreatment liquid to a fabric, a printing unit that ejects a printing liquid to the fabric to which the pretreatment liquid was applied, a storage unit that stores a data table indicating a correspondence relationship between a time elapsed from manufacture of the pretreatment liquid and a rubbing fastness of the fabric on which the pretreatment liquid was used, and a control unit. The control unit includes an acquisition unit that acquires freshness information regarding freshness of the pretreatment liquid to be applied by the pretreatment unit and use date information indicating a time to use the pretreatment liquid, and an estimation unit that outputs, based on the freshness information, the use date information, and the data table, an estimation level of the rubbing fastness to be obtained by using the pretreatment liquid at the time indicated by the use date information.

Abstract: A safe metal free and hookless winch rope includes a stopper knot formed at an end of the winch rope that is opposite an end of the winch rope intended to be wound around a winch, and a plurality of brummel style openings formed inline along at least a portion of the winch rope. The stopper knot can be selectively inserted into any brummel style opening of the plurality of brummel style openings to wrap around an object during a winch operation and the stopper knot will be securely held in the selected brummel style opening when the winch rope is under tension during the winch operation.

Abstract: A method is disclosed for producing products based on wood as a raw material. The method includes wood, in the form of wood particles, being subjected to an extraction treatment using an extracting agent. The extracting agent may include one or more organic solvents in an organic-aqueous mixture of the solvent or solvents with water. A content of fatty acids in the wood particles is reduced, by the extraction treatment of the wood particles using the solvent, by at least 70%, measured as hexanal content in wt. % after accelerated aging for 72 h at 90° C., while the content of cellulose, hemicelluloses and lignin is largely maintained during this extraction treatment.

Abstract: Mixing kneader for processing a transfer mixture into a molding solution, according to the direct dissolution method, having a feed, a housing and a discharge, wherein the feed introduces a product consisting essentially of cellulose, water and a functional liquid into the housing, wherein a kneader shaft situated in the housing rotationally mixes and kneads the product and sweeps wipes it over heated inner surfaces of the mixing kneader, wherein reducing the amount of undissolved particles in the product and the size of the particles are reduced, and evaporating some of the water evaporates to produce form a molding solution, wherein the process volume of the mixing kneader is determined only by the requirements of a molding solution flow capacity.

Abstract: A roll cover and a roll in particular for use in a machine line for the production or processing of a fibrous web is provided, wherein the roll cover includes a radial outer functional layer which provides the surface of the roll cover in contact with the web, and wherein the functional layer has structural elements, in particular in the form of grooves and/or bores, wherein the functional layer is constructed of an elastomer material with a Poisson number greater than 0.4, between 0.45 and 0.5.

Abstract: Packages or arrays comprising a plurality of sanitary tissue product sheets. One or more subsets of the plurality of sanitary tissue product sheets may be surrounded by a band. Each subset may be sized to provide a suitable refill for a dispenser. The sanitary tissue product sheets may be bi-folded and a free end of a first sanitary tissue product sheet of the sanitary tissue product sheets may be nested within a bifold of a second sanitary tissue product sheet of the sanitary tissue product sheets. The package or array may include in an outer container, such as a cardboard box or a plastic film.

Abstract: Tissue paper containing a softener, and having a dry tensile strength of 200 cN/25 mm or greater and 400 cN/25 mm or less in a longitudinal direction and a spherical compression work of 300 mJ or lower is provided.

Abstract: A rail plate grasping assembly may include a holder part that may be coupled with a rail vehicle that moves along one or more rails of a track with the one or more rails coupled with rail plates that are coupled with rail ties. The assembly also may include a wear part that may be coupled with the holder part and shaped to engage the rail plates to support the rail plates while the rail ties are removed beneath the rail plates. The wear part may be separated from the holder part and replaced with another wear part.

Abstract: A facility protection cover is disposed on a concrete foundation and covers a facility device disposed between the facility protection cover and the concrete foundation. The facility protection cover includes a cover body including a fiber-reinforced cement composite. The cover body includes two legs that are spaced apart from each other so as to be located on opposite sides of a facility device placement space. The facility device placement space accommodates the facility device. The cover body includes a bridging portion that bridges the two legs so as to extend over the facility device placement space. The cover body transmits a weight of a vehicle loaded on the cover body to the concrete foundation via the two legs, and restricts a separating relative movement of the two legs along a placement surface of the concrete foundation when the weight of the vehicle is loaded on the bridging portion.

Abstract: An aggregate spreading device includes a hopper, a conveyor system disposed below the hopper, and a spreader system extending from at least one side of the aggregate spreading device and configured to receive aggregate from the conveyor system. The spreader system includes a vertical support coupled to a frame of the aggregate spreading device, a first wall extending from a first end attached to the vertical support, and a second wall extending from a second end of the first wall. A lift actuator is configured to adjust the vertical placement of the spreader system and causing the first and second walls to move vertically.