Abstract: A sliding panel structure. The sliding panel structure includes a frame having an upper support track and a lower guide rail. At least one sliding panel is connected between the upper support track and the lower guide rail. The sliding panel includes a sliding panel pivot axis and an extension for riding in the lower guide rail. The extension prevents undesired pivoting of the sliding panel about the sliding panel pivot axis. A mutual attraction device is connected between the sliding panel and the frame with a first mutual attraction part connected to the frame and the second mutual attraction part connected to the sliding panel. A fulcrum is utilized for tilting the sliding panel whenever the first mutual attraction part engages the second mutual attraction part.

Abstract: An opening and closing device includes a base plate rotatably supported by a stand to rotate between closed and open positions, a sliding plate slidably provided on the base plate to slide between first and second positions, an urging part to urge the sliding plate toward the second position, where the sliding plate projects from the base plate, a movement restriction mechanism including first and second members provided on one and the other, respectively, of the stand and the sliding plate, and configured to restrict the movements of the base plate and the sliding plate by the engagement of the first and second members when the base plate is at the closed position, and a moving and urging mechanism to move and urge the sliding plate toward the first position from the second position with the movement of the base plate from the open position to the closed position.

Abstract: A modular unit for opening and closing doors, in particular of motor vehicles, includes a first module which has at least one actuating unit and a second module which has at least one lock assembly. The first module and the second module are coupled together via a coupling member in order to actuate a lock of the lock assembly when the first module, in particular the actuating unit, is actuated in order to initiate the opening and/or closing procedure of the door. A connecting element is arranged between the first module and the second module. The connecting element maintains the distance between the modules relative to one another substantially constant when a force F acts on at least one of the modules.

Abstract: A sealed lever latch. It has a handle with a pivot end with a non-round bore passing therethrough, a housing having a well with a narrowed end with spaced apart sidewalls with holes, the narrowed end sized to receive the pivot end of the handle. A lever carriage with two spaced apart arms straddles the sidewalls of the narrowed end of the housing and each arm has a first engagement. A drive pin unit has a first keeper, a drive pin with a non-round profile extending from the first keeper, and a second keeper that engages with a free end of the drive pin. The keepers non-rotatably engage with the first engagements of the lever carriage arms and with the drive pin non-rotatably passing through the non-round bore in the pivot end of the handle to connect the handle and the lever carriage together. Seals are placed on the drive pin unit between the first and second keeper ride adjacent to the holes in the sidewalls of the housing to prevent passage of liquid or debris therethrough.

Abstract: An easily removable, changeable and replaceable window for application on train carriages, passenger buses and other transport vehicles that consists of an assembly formed by a removable window frame and the corresponding rim thereof fixed on the chassis of the vehicle, said assembly being provided with a closing and opening device that may be actuated both from the inside and the outside, and therefore, enabling a glazed window to be released for safety reasons or to be released and changed for maintenance reasons, without losing time or functionality.

Abstract: The invention relates to a circumferential seal or/and covering on a door or/and opening flap of a vehicle body, comprising a flexible strand (2) having an elastomer material and an adhesive material layer (3) extending in the longitudinal direction of the strand and connecting the strand (2) to the vehicle body (1). According to the invention, the strand (2) can be torn off from the body (1), leaving behind a sufficiently smooth adhesive surface for adhering the body (1) to a replacement part strand.

Abstract: A screening arrangement (1) has a top element (4) including a cover and two side rails (8, 9). The top element (4) is provided with a top rail (440) forming the front side of the top element and being connected to the cover of the top element (4). Side rails (8, 9) are adapted to be joined to the mitred ends of the top rail (440) by means a set of angular brackets cooperating with reception means in the back side of the top rail (440) and in the back side of the respective side rail (8, 9).

Abstract: A one-piece seal is used between the rear doors of a semi-trailer truck and the rear frame of the truck, the seal having a good compression set resistance. The seal is made from multiple extrusion members that are fused, welded, or otherwise integrally, monolithically connected at corner joints to form a central opening. The extrusion members have a sealing profile, or cross-section, that allows for the compression and deflection of a pair of sealing lobes to create inner and outer seals, respectively, between the trailer frame and the door structure at the rear of a semi-trailer truck, as well as between the doors themselves.

Abstract: A method of processing a polycrystalline diamond (PCD) material having a non-diamond phase comprising a diamond catalyst/solvent material comprises leaching an amount of the diamond catalyst/solvent from the PCD material by exposing at least a portion of the PCD material to a leaching mixture. The leaching mixture comprises hydrochloric acid and one or more additional mineral acids, the molar concentration of the hydrochloric acid being greater than the molar concentration of the one or more additional mineral acids in the leaching mixture.

Abstract: A cross street station and interchange for use at the intersection of a local traffic artery with significant pedestrian-oriented improvements and features that runs between but not through two communities and a primary traffic artery that divides two dissimilar communities. It uses a variable bi-level regional mass transit platform for ticketed passengers lowered from the upper level of the cross street station and interchange to the street level and provide a platform level with the regional mass transit vehicle floor and a ramp to the height elevation of the sidewalk to disembark arriving regional mass transit passengers and allow for the boarding of the new mass transit passengers. The cross street station and interchange includes in close proximity to this platform a metropolitan mass transit stop on the primary traffic artery and local community transit services stop on the local traffic artery that can also accommodate paratransit passengers.

Abstract: A demountable modular wall system including a series of individual wall panels that can be positioned adjacent to each other. The demountable system includes a doorway defined by a pair of spaced vertical posts and a horizontal header. In one embodiment, a sliding glass door is movable along a sliding door track mounted to the horizontal header. A lower trim assembly mounted to the bottom end of the sliding glass door adjusts the overall height of the door. The doorway can also include a pivoting glass door. The pivoting glass door includes a bottom pivot assembly having a bottom clamp adjustably positioned along a bottom end of the pivoting glass door. The adjustable bottom clamp can be moved along the bottom end of the pivoting glass door and receives a pivot pin supported on the floor. A top pivot assembly includes a movable plunger that defines a portion of the pivot axis for the pivoting glass door.

Abstract: A modular datacenter facility is constructed with a set of building modules of different types of functionality to form an entire datacenter facility having a standardized pre-approved architectural design and layout. All instances of a particular type of building module will have approximately a same floor plan and architectural design. An initial set of building modules can be built upon a parcel of land, and then as needs of space and additional capacity of the modular datacenter facility increase, then at a future point in time additional building modules of the different types can be rapidly added to the initial set of building modules. The building modules of the different types use one or more connecting corridors architected into at least a first type of building module and corresponding aligned doorways between both building modules to interconnect two building modules adjacent and abutted to each other.

Abstract: A method for providing at least a part of a building includes the steps of prefabricating a module by assembling four walls extending between a floor and a roof to form a rectangular cuboid shape; providing at least one compartment within the cuboid shape; providing waterproof layers on the interior walls and floor of the compartment for creating a wet area within the module; arranging technical installations within the cuboid shape; and providing interior equipment within the cuboid shape. The method further includes the steps of prefabricating a plurality of panels and slabs; and connecting these panels and slabs to a lateral side of the module for providing a further rectangular cuboid shape forming a panel-built room.

Abstract: The invention provides a system for installing a roof penetrating structure to a metal roof, the system comprising: a) a rail and closure structure adapted to be supported by adjacent rib elevations of said roof; b) a skylight adapted to be supported on the rail and closure structure; and c) a support member for sealing a cut away portion of the rib structure to divert water away from the rail and closure structure.

Abstract: A mobile terminal booth which provides an area where a mobile terminal can be comfortably used is described. This mobile terminal booth is provided with a sound absorbing unit which is placed in a public place and partially partitions a space as viewed from the above where a user of a mobile terminal can have a telephone conversation. The sound absorbing unit is provided with an entrance which is always opened without any closing member. The sound absorbing unit is made of a laminate consisting of a plurality of sound absorbing layers, and serves as a sound controlling means. Particularly, the sound absorbing layers are joined together in the form of the laminate with a viscous adhesive which does not solidify after formation of said laminate, maintains its viscosity when the mobile terminal booth is used and functions as said sound controlling member.

Abstract: Herein described is a post anchor apparatus for erecting and anchoring posts in natural terrain. The apparatus of the present invention provides a convenient means of erecting a post in natural terrain while also providing improved strength, stability, and durability to the post. The apparatus comprises at least a housing for receiving the base of a post, a rod, stabilizer element for stabilizing the apparatus within the natural terrain, and an auger blade for driving the rod into the natural terrain.

Abstract: A solar panel cap and light cap secured to a wall or parapet through the use of a fixed coping having two vertical supports on either side of a locking channel. The vertical supports are biased or resilient to secure the coping to the top of the parapet or wall. The locking channel is configured to slidably receive a locking insert from a solar panel cap or light cap, each configured to connect to an adjacent cap such that they are electrically coupled. The solar panel caps include a horizontal base and an angled solar panel pivotally attached on one edge to the horizontal base. Support plates are pivotally attached to opposite edges of both the horizontal base and the angled solar panel such that when they overlap and are secured to one another the angled solar panel is adjustably positionable relative to the horizontal base.

Abstract: A solar light (heat) absorption material which has an excellent solar light (heat) absorbing ability and a simple structure, and may be used as a low-cost and high-performance heat absorption/accumulation material. Also, a solar light (heat) absorption/control building component including the solar light (heat) absorption material that allows for easy change of its solar light (heat) absorption/control ability. The material includes particles dispersed into a liquid medium having a specific heat ranging from 0.4 to 1.4 cal/g/° C. and a melting point of 5° C. or lower. The dispersed particles have L*value of 30 or less as determined by the CIE-Lab color system (light source D65).

Abstract: Tactile detection embedment plates used in pedestrian walkways releasably aligned by a bracket on at least one of the embedment plates. The bracket can be mated with a bracket on another plate engage a wedge or wedge parts for a releasable plate assembly connection.

Abstract: Disclosed is a safety window for hurricane protection and crime prevention. According to an embodiment of the inventive concept, the safety window for hurricane protection and crime prevention includes: an external frame which has a window shape and is installed in a window frame of a wall of a building; an internal frame which is coupled to the external frame; and a protection screen which comprises a plurality of holes to prevent an outsider from trespassing but allow air to pass therethrough, couples with the external and internal frames, and protects a window.

Abstract: A window reveal kit can include a window, a first connector, and at least one reveal trim. The window has an outer side, an inner side, and a frame portion about a perimeter of the window. The first connector can be formed on the frame portion, on the inner side of the window. The at least one reveal trim can have a second connector that is configured to engage the first connector so that the reveal trim extends from the first connector.

Abstract: A dynamic concrete form includes a sleeve defining a passage extending between first and second open ends. A first attachment feature extends outwardly in a first direction from the sleeve at the first open end and a second attachment feature extends outwardly in a second direction that is opposite the first direction at the second open end. In a first position, the passage has a first axial length, the first open end lies in a first plane, and the second open end lies in a second plane. In a second position, the passage has a second axial length that is greater than the first axial length, the first open end lies in the first plane or a first new plane that is parallel to the first plane, and the second open end lies in the second plane or a second new plane that is parallel to the second plane.

Abstract: An apparatus for dividing regions is described. The apparatus includes at least one glass dividing wall and at least one holding device. At least one first mounting device is arranged on the holding device, and at least one second mounting device is arranged on the holding device. The first mounting device has a first end provided with a first radius, and the second mounting device has a second end provided with a second radius. At least one clamping holder is arranged at one of the ends of one of the mounting devices. The clamping holder has a first clamping part and a second clamping part between which is clamped the dividing wall.

Abstract: A self-aligning corner bead for fireproofing structural steel, having a strip of welded wire fabric cut to the appropriate width for the fireproofing thickness and bent longitudinally to form an obtuse V-shaped device is disclosed. A plastic nosing is installed along one edge. A method of finishing the corners for fireproofing of structural steel member using an improved corner bead includes the step of attaching the first wing of an obtuse V-shaped device through a lathe to the structural steel member utilizing pneumatic or screw type fasteners. The mesh structure of the second wing of the V-shaped device provides a dam to form a roughened surface on the first application of fireproofing material until it hardens.

Abstract: An attachment device has a first member and a second member. The first member connects to a wall or another structure and the second member connects to a component, such as a piece of molding or decking, to be mounted to the wall or the other structure. The first and second members can be joined, such as by a snap fit.

Abstract: An abrading device for abrading a floor structure comprises a first abrading assembly and a second abrading assembly. The first and second abrading assemblies each have a rotationally driven contact roll provided with a sleeve having a plurality of cutouts formed in a pattern thereon. An abrading belt is trained over the sleeve. A first oscillation assembly is connected to the first abrading assembly and oscillates the contact roll of the first abrading assembly in a first direction via a linear, reciprocating motion. A second oscillation assembly is connected to the second abrading assembly and oscillates the contact roll of the second abrading assembly in a second direction via a linear reciprocating motion. The first and second abrading assemblies consecutively abrade a top surface of the floor structure with the pattern formed by the cutouts on the respective sleeves to form a distressed visible pattern thereon.

Abstract: A flooring system as disclosed herein may include a subfloor, a top floor layer, and an underlayment material comprising a needlepunched fiber pad. The needlepunched fiber pad may include a plurality of layers that are needlepunched together to form the fiber pad. Each of the layers may have a respective initial thickness. The fiber pad may have a thickness that is less than the sum of the initial thicknesses. A moisture vapor barrier may be disposed between the needlepunched fiber pad and the sub floor. A portion of the moisture vapor barrier may extend beyond an edge of the fiber pad. The portion of the moisture vapor barrier that extends beyond the edge of the fiber pad may have an adhesive disposed thereon.

Abstract: A framework for a building structure. The framework is constructed of two open-walled structures, an inner core structure and an outer core structure. Each core structure is a six-sided cuboid structure formed by hollow horizontal and vertical conduits. The inner core structure is smaller than the outer core structure and interconnecting hollow conduit webs link the two cores. The inner core may be placed on a different horizontal plane than the outer structure, in which case, the interconnecting webs slope from one core to the other one. The conduits of the cores are dimensioned to house utility systems, such as plumbing, wiring, staircases, etc. Walls, windows, doors may be attached to the core structures, to achieve a residential or commercial space suitable for the intended purpose.

Abstract: Surface coverings, such as floor coverings, with an interlocking design are described. Methods of making the surface coverings are further described. A plank including a resilient composite sheet having four sides, an upper surface, a lower surface, and an overall thickness, and said composite sheet comprising at least one base layer, wherein said at least one base layer comprising at least one polymeric material and at least one filler, wherein opposite sides of the composite sheet comprise a first tongue on a first side and a first groove on the opposite second side, wherein the first tongue and first groove have complementary shape to each other to be interlockingly engageable with a corresponding groove or tongue on an adjacent floor plank.

Abstract: A clip is provided for connecting either main runners end-to-end, or for connecting cross tees to a main runner. The clip comprises a first vertical portion configured to lie along the vertical web of a T-shaped runner or cross tee that has a central discontinuity to define first and second segments, the discontinuity permitting the clip to fit over a two-way intersection of cross tees with a main runner. Each of the first and second portions includes an elongated slot configured to slidably receive a fastener and an aperture configured to receive a fastener. The clip further comprises a second inverted generally J-shaped portion extending upwardly from the first vertical portion configured to receive the strengthening bulb of a T-shaped member, the second portion including a central discontinuity to permit the clip to fit over a two-way intersection of cross tees with a main runner.

Abstract: A reinforcement bar fastener and a tool for securing reinforcement bar members to together to form a metal mesh and a reinforcement bar tool for deforming the reinforcement bar fastener around the reinforcement bar members.

Abstract: The technical features of the present invention are for a method for quickly and easily constructing a building made of soil such as a house or a retaining wall by means of a process of installing a temporary mold in a frame member made of a mesh, compacting pugging clay into the temporary mold in a bottom-up method by a mechanical extruder, and immediately removing the temporary mold and drying the pugging clay.

Abstract: An apparatus for reinforcing a plurality of parallel spaced apart structural members to each other comprises a rigid member having first and second ends and is sized to extend diagonally across the plurality of adjacent structural members. Each structural member extends between first and second ends and has first and second edges. The apparatus further comprises a plurality of sockets extending from the rigid member. Each socket is oriented diagonally relative to the rigid member and sized and shaped to receive a first edge of one of the plurality of parallel spaced apart structural member therein.

Abstract: A horn and an anvil are moved toward and away from each other by axially reciprocating a driving rod and thereby reciprocatingly rotating a forked lever in a predetermined angle range. The horn and the anvil are moved toward and pressed against each other with a predetermined force with a bag mouth b held therebetween. A sensor detects the position of a second mounting block secured to the rear end of a sliding shaft of the anvil, thereby detecting the distance between respective pressing surfaces and of the horn and the anvil, i.e. the thickness m of a portion of the bag mouth held between the pressing surfaces and. When the thickness m is not less than a predetermined threshold value M, a vibrator is activated to perform sealing. When the thickness m is less than the threshold value M, no sealing is performed.

Abstract: A beverage capsule machine for making single use capsules (1) for infusion beverages such as coffee, milk, chocolate, tea or combinations of these ingredients, comprises: a transport element (8) for transporting rigid containers (2) and being dosed in a loop around movement means (9), with a vertical axis (Z9), for continuously moving the transport element (8); the element (8) being configured to define a plurality of pockets (10) for receiving the rigid containers (2) and arranged in succession, each having a respective vertical axis (Z10); a plurality of stations which are positioned along a path (P) followed by the transport element (8) and which are configured for operating continuously in phase with the transport element (8) and comprising at least: a feeding station (11) for feeding the rigid containers (2) into the respective pockets (10) of the transport element (8); a dosing station (12) for dosing the infusion product into the rigid container (2); a closing station (13) where the open aperture (4) o

Abstract: The invention relates to an opening device (10) for opening a bag section (210) of a film web (200) in a bag filling plant (100) for filling in bulk goods, comprising a suction device (20) for suctioning the two sides (212, 214) of the bag section (200) with an articulately supported first suction cup (22) on the first side (212) of the bag section (210) and an articulately supported second suction cup (24) on the second side (214) of the bag section (200), with at least one of the suction cups (22, 24) being arranged acute-angled in reference to the respective side (212, 214) of the bag sections (200).

Abstract: In one embodiment of the present invention, a box closer is provided comprising an elongated bar having a first and second end, a width, a thickness, and a length that is longer than the major width of the box, a first edge-stop attached in a fixed or removable manner at or near a first end of the bar, and a second edge-stop attached in a fixed or removable manner at or near the second end of the bar.

Abstract: The invention relates to an advancing device (10) for advancing a film web (200) in a bag filling installation (100, having a main advancing drive (20) with at least one driven main advancing roller (22) for advancing the film web (200), wherein for an adjustment of the tensile stress of the film web (200) in the transport direction (T) of the film web (200) an auxiliary advancing drive (30) is disposed before the main advancing drive (20) with at least one driven auxiliary advancing roller (32) for advancing the film web (200).

Abstract: A festooning device is provided for packaging a continuous length of a material or product in a container at high operating speeds, with little or no operator adjustment until the container is completely filled. The festooning device can include an articulated paddle that further increases the fill of product from edge to edge in the container. The movements of the shuttle arm, container, and/or articulated paddle are synchronized to reduce the travel distance that the individual components of the festooning device, avoid overthrows of material over the upper edge of the container at high operating speeds, and provide maximum fill of the container. Also provided are a system and a method using the festooning device.

Abstract: A method for forming a flexible pouch having a fitment, the method including the steps of sealing the bottom, top and one side of a material to form a pouch. The pouch is formed around a forming tube, leaving one side of the flexible pouch unsealed. A fitment is installed on the flexible pouch, either on the corner (45 degree angle) or on the top of the pouch. The product filled through the unsealed side of the flexible pouch while continuously moving the flexible pouch down the forming tube, the forming tube also continuously supplying product to fill the flexible pouch and sealing the unsealed side of the flexible pouch. An apparatus for forming a flexible pouch is provided having a forming tube. The forming tube is adapted to allow material to wrap around the forming tube to form a flexible pouch, the forming tube also operable to dispense product into the flexible pouch through an exit of the forming tube.

Abstract: A process for packing a detergent composition in a container wherein the process comprises the steps of: a. making the detergent composition in the form of a finished single fluid or a finished plurality of fluids; b. cooling the finished single fluid or at least one finished fluid of the plurality of fluids to produce a cold fluid; c. delivering the cold fluid resulting from step b) into the container using delivering means; and optionally d. subjecting the filled container resulting from step c) to ambient temperature.

Abstract: A side loading packaging machine for packaging articles in containers comprising: a section for forming containers starting from die-cuttings, comprising at least one feeding device, a loading section, a closing section, substantially aligned along a longitudinal axis of the machine; further comprising a conveyor equipped with transportation members configured to carry at least one of said containers each, wherein said conveyor comprises motor means arranged to drive the advance of said transportation members or groups thereof in an independent manner, and the machine operates with: a continuous formation of boxes, said feeding member working with a continuous movement and with a constant rate over time, and said transportation members advancing with a continuous movement at said forming section; and a static loading, said transportation members being stationary during the loading of articles into the containers.

Abstract: A method for handling bags (10), in particular wicketed bags, combined into bundles (13) and for feeding the bags (10) to a packaging machine (11), and a corresponding apparatus. In the method and apparatus, the bags (10) are supplied in a plurality of bundles (13) in a magazine (14) arranged upstream of the packaging machine (11); the bundles (13) are arranged on bag carriers (15) in each case such that the bag carriers (15) extend through suspension holes (12) of the bags (10); the bag carriers (15) with the bags (10) located thereon are fed from the magazine (14) to the packaging machine (11); and the bundles (13) are transferred from the bag carriers (15) directly to appropriately arranged receiving pins (28) of a cyclically driven conveying device (29) of the packaging machine (11) and are then filled in the packaging machine (11).

Abstract: A wrapping material is provided comprising a plurality of wrapping units, each said wrapping unit having a leading edge at one of thereof and a tail edge at an opposing edge thereof, where each one of said plurality of wrapping units is serially connected to at least one other of said plurality of wrapping units at the corresponding leading edge, tail edge, or both. In a further embodiment, discrete adhesive areas are disposed on the first surface of said plurality of wrapping units. In a still further embodiment, the discrete adhesive areas are covered by a protective cover, wherein the protective cover is attached to the first surface of the next said serially connected wrapping unit.

Abstract: A container or box may include a plurality of side panels, a bottom panel and a top panel. The panels are coupled together to form a box interior with a total interior volume Vt. A separating panel is in the box and divides the box interior into a first chamber and a second chamber. The first chamber has a volume greater than or equal to 0.70 Vt, and the second chamber has a volume less than or equal to 0.30 Vt. An orientation sensing unit is provided that is housed entirely within the second chamber and is configured to sense and wirelessly transmit a signal with information on the orientation of the box.

Abstract: An assembly includes a support and drive assembly, a first structure and a second structure. The first structure is in operable communication with and supported by the support and drive assembly. The first structure includes at least one filling or needle assembly and is adjustable to receive a plurality of filling or needle assemblies. The second structure is supported by the support and drive assembly. The second structure includes at least one seal assembly and is adjustable to receive a plurality of seal assemblies. A method includes determining a number of containers or vials that are to be filled concurrently and adjusting an assembly to include at least one filling or needle assembly and at least one seal assembly. A number of the filling or needle assemblies and the seal assemblies equals the number of containers or vials.

Abstract: The invention relates to a tubular bag machine for filling a product into bags (9), comprising a vertical filling tube (2), a transverse sealing unit (3), a control unit (4) for controlling the tubular bag machine, and a sensor device (5) for detecting the product in the filling tube (2), which is designed to detect the product falling through the filling tube (2), wherein the sensor device (5) has a sensor (51) for emitting electromagnetic waves, and which is connected to the control unit (4), wherein the electromagnetic waves emitted by the sensor (51) remain in a detection space (E) which is confined to one region at the filling tube (2).

Abstract: A device for securing a horse-riding saddle onto a horse, includes a strap (32) having at least one first textile part (34) with an elongation of 10% to 20%, the strap encircling the topline (20), flanks (24) and underline (26) of the torso of the horse, extending over the entire periphery of the torso of the horse, and an element for linking the saddle, which is connected to the first textile part (34).

Abstract: A lidded cylindrical container having an inlet duct having an intake for connecting to gas flow having particulate or liquid, and an outtake for directing the as flow downwardly and tangentially across a wail of the container. An outlet duct is integrally connected around the inlet duct and having an intake opening into the inside of the lidded cylindrical container and an outtake adapted to move the gas flow away from the particulate collection device leaving the particulate within the lidded cylindrical container. The cyclonic particulate collection device is secured to the lidded container through a single opening in the lidded cylindrical container.

Abstract: A chute receives contaminant gas-laden dust from a dust collector. At least one gas injector provides an upward flow of purge gas in the chute to release contaminant gas entrained with the dust. Downstream areas are maintained at positive pressure relative to upstream areas. A purge hopper arranged below the chute collects the dust. Dust handling apparatuses allow the upward flow of the purge and contaminant gases. Movable flaps in the dust handling apparatuses include perforations that may be capped to vary the gas flow rate. A dust discharge apparatus discharges washed dust from the purge hopper.