Abstract: A catalyst for treating heavy hydrocarbon feedstocks. The catalyst comprises a calcined particle comprising a co-mulled mixture made by co-mulling inorganic oxide powder, molybdenum trioxide powder, and a nickel compound or cobalt compound, or both compounds, and then forming the co-mulled mixture into a particle that is calcined to provide the calcined particle. The calcination is conducted at a temperature such that at least 20% of the pore volume of the calcined particle is in pores of greater than 5,000 ? and less than 70% of the pore volume of the calcined particle is in the pores having a pore size in the range of from 70 to 250 ?.

Abstract: A process for separating from an oil sand slurry solids and bitumen is provided, comprising introducing the oil sand slurry into a separation zone comprising an upper zone and a lower zone; intercepting a settling path of the solids in the separation zone by bringing the solids into contact with at least one intercepting surface to direct the solids to the lower zone; and producing a reduced solids upper zone to allow the bitumen to rise through the upper zone with reduced hindrance from the solids.

Abstract: A method of beneficiation of phosphate from a phosphate ore comprising: providing an aqueous slurry of phosphate ore in particulate form for conditioning comprising at least 60% by weight solids; conditioning the aqueous slurry by contacting the aqueous slurry with at least one conditioning agent selected from fatty acids and salts thereof and at least one hydrocarbon; diluting the conditioned slurry to provide a solids content of no more than 35% by weight; subjecting the diluted slurry to froth flotation comprising combining a pressurized stream of diluted slurry with air in a downcomer to form a foam comprising a dispersed air phase and introducing a downward stream of the foam into a floatation chamber comprising liquid below a surface of the liquid to form a floated froth; and collecting the floated froth to provide a solid enriched in phosphate.

Abstract: Methods and apparatuses for separating metal values, such as nickel and nickel compounds, from mineral ores, including lateritic ores are disclosed. The method includes providing a mixture of particles (e.g., crushed and sized ore) that is composed of at least a first group of particles and a second group of particles. Group members have similar chemical composition, while particles belonging to different groups have dissimilar chemical compositions. The mixture of particles is concurrently, or generally concurrently, heated (using microwave/millimeter wave energy) and exposed to a reactant. The wave energy and the reactant act to increase the difference in either the magnetic susceptibility or other separation properties between the first and second group of particles. The mixture of particles is then passed through an appropriate separator to separate the particles of interest. Optional steps are disclosed for purifying selected particles.

Abstract: A method for classifying a ground material-fluid mixture and a mill classifier. In order to improve the grinding and classification process, the subsequent dust separation and in particular to optimise the energy situation of a grinding plant, it is provided according to the invention that the fine material-fluid flow leaving the dynamic classifier part with angular momentum, besides a swirl reduction or swirl elimination, with the aid of a guiding apparatus and a displacement body, is made uniform in a classifier outlet housing and deflected into a virtually linear flow. The fixed guiding apparatus arranged coaxially with the classifier axis in the classifier outlet housing and the displacement body can be formed as one unit and the guide elements of the guiding apparatus can be arranged on the displacement body and extending into the vicinity of the inner wall of the classifier outlet housing.

Abstract: A separation conveyor (10) for separating a mass or slurry of different sized particles is provided. The separation conveyor includes a filter belt (12) including a feed side for receiving the mass or slurry and a filtrate side. The separation conveyor further includes a conveyor assembly (16) for conveying the filter belt, an overhead spray array (28) for spraying fluid downwards onto the slurry as it travels on the filter belt, and a lower spray array (30) for spraying fluid upwards against an underside of the belt. The upper and lower spray arrays are arranged in combination to assist in promoting separation of oversized particles on the feed side of the belt and undersized particles on the filtrate side of the belt.

Abstract: A shaker screen comprises a frame that has a plurality of opposing sides. The shaker screen also comprises a screen assembly attached to the frame. In addition, each side of the shaker screen comprises a tubular member having an inner edge, an outer edge, and defining a central axis. Further, a horizontal plane intersects the central axis, the outer edge, and the inner edge of each side.

Abstract: An apparatus for treating water stored in a reservoir to remove contaminants has a feed line for receiving water and a by-pass valve that controls the flow of water through the feed line. A venturi valve responds to the rate of flow of water through a flow line by creating a vacuum in a supply line from an ozone generator, the extent of the vacuum created being dependent on the rate of flow, to add ozone at a controlled rate to the water to be treated. A sensor probe measures the oxidation reduction potential of the water, to supply hydrogen peroxide to the water at a controlled rate dependent on the oxidation reduction potential level. The ozone and the hydrogen peroxide are mixed with the water in a multicyclone unit to allow a peroxone reaction to occur that treats the water, and the treated water is returned to the reservoir.

Abstract: An enclosure for containing a portable hemodialysis unit includes a housing suitable to support components for performing hemodialysis including a dialyzer, one or more pumps to circulate blood through the dialyzer, a source of dialysate, and one or more pumps to circulate the dialysate through the dialyzer. The housing may have a front panel at which blood circuit connections and dialysate fluidic connections are located, e.g., blood line connections for patient blood access, connections for a reagent supply, dialyzer connections for both blood flow and dialysate, etc. The enclosure may also include a pair of vertical, side-by-side doors hingedly mounted to the housing. With the doors in the closed position, access to the patient access and dialysate fluidic connections may be blocked, and the doors may allow for the retention of heat in the housing suitable for disinfection during a disinfection cycle.

Abstract: An advanced on-site water sanitization system is taught having integrated chlorine generation and copper/silver ionization in the same unit. The system includes a manifold loop connectable to a water supply line for supplying water to be sanitized from a body of water, and connectable to a water return line for returning sanitized water to the body of water. It also includes a copper/silver ionizer, capable of receiving a flow of water to be sanitized, adding copper and silver ions to the flow of water so as to provide a copper/silver ionized flow of water. A chlorinator is also included, capable of receiving a flow of ionized water, and a flow of chlorine, and allowing the flow of chlorine to mix with the flow of ionized water so as to provide a chlorinated flow of ionized water to the manifold loop to return as sanitized water to the body of water.

Abstract: A filtration element adapted to be mounted to a rain gutter; the filtration element comprising a plurality of threads or water receiving membrane defining a substantially planar first surface having downward or upward extending planes or channels or inseams defining segments or areas that distend beneath or extend above the first surface, such segments or areas positioned perpendicular and/or not completely parallel to the longitudinal (lengthwise) edge of the filtration element. The filtration element may serve singularly as a gutter guard or as a component of an assembly.

Abstract: The liquid recovery filter includes several embodiments, each of which provides for the recovery of liquid otherwise trapped within the filter housing and element. Each embodiment includes a series of vents, purge ports, and passages that communicate fluidly with the filter housing and filter core. Certain vents and purge ports are initially opened following filtration operations to allow pressurized gas to flow into the housing, thereby forcing residual unfiltered liquid through the filter. When this has been accomplished, another vent is opened to the filter core to allow filtered liquid to flow from the downstream or outlet passage from the filter core. Some embodiments have the filter outlet located above the filter, and include a downstream drain port extending from the filter core. The downstream drain port provides for the recovery of filtered liquid when the vent or purge port is opened in these embodiments.

Abstract: An anaerobic digester apparatus including a container and an integrated cover and mixer system. The container includes vertical or sloped walls and is configured to contain wastewater and waste material. An integrated cover and mixer system is configured to extend over and cover the surface of the wastewater in the container. The cover is maintained on the surface of the wastewater in the container by a plurality of floats coupled to the cover. A mixer float is coupled to the cover with the mixer float including a mixer motor having a shaft extending through the mixer float and in fluid communication with the wastewater. The shaft includes an impeller configured to provide a downdraft mixing motion of the water and waste. The cover and mixer system are effectively integrated and coupled to the container to facilitate an anaerobic digestion of the waste in the container.

Abstract: Certain examples describe systems and methods for increasing plasma extracted from donor blood. An example method includes receiving blood extracted from a donor connected to a blood collection machine. The example method includes filtering the blood using a filtration device to remove at least a portion of plasma included in the blood to separate the plasma removed from remaining blood. The example method includes routing the plasma removed for collection. The example method includes re-filtering the remaining blood using a or the filtration device to remove additional plasma from the remaining blood. The example method includes routing the additional plasma removed for collection.

Abstract: A magnetic separation plate for use in methods employing magnetic particles, said magnetic separation plate comprising a support plate and magnetic pins in a predetermined geometrical arrangement, said magnetic pins having a fastening portion, an intermediate portion and a separation portion and being fastened to said support plate at their fastening portion, wherein said magnetic pins are individually displaceable at their separation portion. The invention further provides a method for the separation of magnetic particles using the separation plate.

Abstract: A plurality of hollow filter sheets have a suction pipe inserted therethrough to be stacked with a ring-shaped packing clamped therebetween. Therefore, a gap between the hollow filter sheet and the suction pipe is watertightly sealed. In the hollow filter sheet, a hollow portion is provided between two filters, and then a spacer with a surface having pits and projections is provided in the hollow portion. A narrow passage space allowing liquid to pass through is provided between the filter and the spacer by pressing the two filters against surfaces of the spacer with the packings and causing the filters to be deformed into a shape according to the surfaces of the spacer. The narrow passage space is smaller than a drainage space between the filters and the spacer that are not clamped by the packings.

Abstract: A system and method for installing a large-sized filtering membrane module to a frame structure with easiness is disclosed, wherein the system comprises a frame structure to which the filtering membrane module is to be installed; and an installing apparatus for installing the filtering membrane module to the frame structure, wherein the installing apparatus comprises a horizontal rod parallel to an inserting direction of the filtering membrane module into the frame structure; and a moving unit movable toward the frame structure along the horizontal rod while supporting the filtering membrane module.

Abstract: A collecting system for chemical spills is described, comprising an extended, protruding collector arm equipped with, at least, one pontoon (14) which is arranged to be pulled by a vessel, where the pollution floating on, or in, a water surface (50) is brought to flow along the pontoon (14) and to a collecting device (20) for collection of the chemical spill, and where the, at least, one pontoon (14) is equipped with a canvas (30, 30?) that lies around the pontoon (14). The canvas has a lower part (32, 32?) that extends out from the pontoon below the surface of water (50) to separate a surface layer of chemicals and water from the body of water lying underneath, and to lead the chemical to the collecting device (20), and a rope network (18) is connected to the canvas (30, 30?) to pull the canvas (30, 30?) and the pontoon (14) in the direction of travel.

Abstract: A collection valve for use in a water reclamation system is provided. The collection valve comprises (i) a drain pipe connectable to a drain line in which gray water flows, the drain pipe comprising an inlet pipe, a medial pipe, and an outlet pipe; the medial pipe having a first opening rotatable from a first position to a second position; (ii) a valve plug pipe, surrounding the medial pipe, having an second opening; and (iii) an actuator assembly for rotating the medial pipe between the first and second positions. Rotating the medial pipe to the first position causes the first opening to be in alignment with the second opening causing gray water to drain into a tank. Rotating the medial pipe to the second position misaligns the first and second opening causing fluid passing through the medial pipe or drain to a sewer or septic tank.

Abstract: A blood cells removal module including a casing having an inlet into which a blood flow before blood cells removal flows, and an outlet in which a blood flow after blood cells removal is discharged, an adsorbent for blood cells removal of short fiber shape accommodated in the casing, a mesh being provided inside the inlet and the outlet, respectively, and holding the adsorbent for blood cells removal in the casing, wherein a length of the adsorbent for blood cells removal is within a range from 1 to 60% of the internal diameter of the casing.

Abstract: A pumped or gravity flow rotating drum screen removes unwanted solids from a flowing fluid. The drum screen may comprise: a housing having a fluid inlet end, a solid discharge end and an area between the two ends, the fluid inlet permitting a flow of influent containing unwanted solids into a hollow portion of a drum screen positioned lengthwise in the area between the two ends of the housing, the screen comprising a filter medium that retains at least a portion of the unwanted solids within the hollow portion of the drum screen and which produces a liquid effluent that is discharged from an outer surface of the drum screen, the retained solids being removable via the solid discharge end; a drive assembly configured to rotate the drum screen about an axis running the length of the drum screen; and one or more stabilization pad assemblies in contact with one or more rings circumscribing the outer surface of the drum screen at one or more locations.

Abstract: A housing for a filter element includes a fluid inlet and a deflector arrangement leading the fluid to be filtered towards the filter element. The invention further relates to a filter including a housing; a filter element arranged within the housing and dividing the space inside the housing into a first and second chamber, the inlet in communication with the first chamber. Pressure loss is advantageously reduced due to the deflector arrangement Meanwhile, by distributing the deflecting parts of said deflector arrangement evenly, the uniformity of velocity at the surface of filter element is also improved, while the occurrence of inefficiency of filtration or the like decreases.

Abstract: A fuel filter includes a filter member formed in a bag shape by a filter material sheet; and a frame member disposed inside the filter member. The frame member includes a base frame spreading out inside the filter member, and a cantilever spring formed in the base frame. The base frame includes first frames extending in a long-side direction, and second frames connected to the first frames and extending in a short-side direction perpendicular to the long-side direction. The first frames include a bent portion which is bent between portions wherein adjacent second frames are connected. A base end portion of the cantilever spring is connected to a second frame, and an end portion of the cantilever spring is disposed between adjacent second frames.

Abstract: A reverse osmosis separation membrane includes a porous support, a separation active layer formed on the supporting layer, and a ultra hydrophilic layer formed on the separation active layer. The ultra-hydrophilic layer includes a complex metal oxide including at least one metal element selected from the group consisting of Ti(IV), Zr(IV), Sn(IV) and Al(III), and Si, and an organic compound containing a hydrophilic group making a physical or chemical bond with Ti(IV), Zr(IV), Sn(IV) or Al(III) among the complex metal oxide. A method of manufacturing the reverse osmosis separation membrane also is provided. A reverse osmosis membrane including a single coating layer and having an improved durability, chlorine-resistance and antifouling properties may be provided.

Abstract: A separation membrane for water treatment, comprising a porous layer that is obtained by a phase separation method using a solution containing a resin and at least one of either an N,N-disubstituted isobutylamide or an N-monosubstituted isobutylamide.

Abstract: A reverse osmosis separation membrane includes a minute, porous support, and a polyamide active layer formed on the minute, porous support and including at least one compound containing grapheme is disclosed. A method of manufacturing the reverse osmosis separation membrane is also disclosed.

Abstract: The present invention relates to a method for manufacturing a pleated filter (1) obtained by pleating a filtering material and folding the pleated filtering material to form a cylindrical configuration, which method further comprises applying at least one layer of fibrous covering on the outer surface of ridges of the pleats, which fibrous covering comprising melt-blown fibres (3) of thermoplastic polymer, wherein the pleated filter (1) is arranged in parallel to the blowing head which blows the molten polymer forming fibres, whereas at the same time the filter (1) performs rotational movements and/or reciprocating motions, while the distance of the blowing head from the said outer surface of the filter (1) is selected so that the fibres blown from the head from the said outer surface of the filter (1) is selected so that the fibres blown from the blowing head at the time of contacting the pleat ridges are still in a plastic state.

Abstract: Polymer composite membranes containing mesoporous particles which function in part as reinforcing agents, modifiers of polymer surface polarity, and membrane structure modifiers are provided. The composites provide superior resistance to internal damage and pore compaction, increased permeability to water with retention of separation fidelity, and resistance to chemical degradation and mechanical wear, along with minimal shedding of the reinforcing particles under applied pressure. These improvements in properties are particularly desirable for the water purification by membrane filtration methods.

Abstract: A composition is disclosed that includes a water insoluble polymer, a polycarboxy functional polymer, and a water insoluble epoxide functional compound, the water insoluble polymer including at least one of polyvinyl acetate, vinyl acetate copolymer, styrene copolymer, acrylate copolymer, and polyurethane.

Abstract: A negatively charged microporous filtration medium having a high charge density comprising a porous substrate and a polymerized cross-linked polymeric coating located on the inner and outer surfaces of the substrate. The coating may be formed from a reactant solution comprising negatively charged cross-linkable polymerizeable acrylamidoalkyl monomers and acrylamido cross-linking agents which are polymerized in situ on the substrate. The negatively charged microporous filtration medium are suitable for use as prefiltration membranes for selectively removing protein aggregates from a protein solution.

Abstract: The present invention provides a process for removal of mercury from a solution by ultrafiltration with filtration membranes having a pore size of less than or equal to 0.25 ?m, for removing mercury from mercury-containing solutions, including alkali metal hydroxide solutions or alkali metal alkoxide solutions.

Abstract: The present invention relates to extracorporeal blood treatment devices and methods and devices for conserving extracorporeal blood treatment devices. In accordance with the present invention, an antifreeze agent in introduced only into that part of the dialysis liquid system of the blood treatment device that includes the volume lying upstream of a sterile filter with which sterile substituate is recovered from the dialysis liquid. Accordingly, that part of the dialysis liquid system that includes the volume lying downstream of the sterile filter is not filled with an antifreeze agent. The present invention makes it possible, after removal of the sterile filter, to easily and safely separate a substituate segment from the rest of the dialysis liquid system and drain off liquid located in the substituate segment.

Abstract: A method for cross-linking a styrenic polymer, the method comprising providing a partly sulphonated styrenic polymer and cross-linking the partly sulphonated styrenic polymer in the presence of a polyphosphoric acid.

Abstract: Activated carbon having a low contact pH and their use in the purification of water, as well as methods for making such low contact pH activated carbon and filters and methods for purifying water are described herein. The methods for preparing such low contact pH activated carbons provides an effective and less costly means for preparing activated carbons for purification processes.

Abstract: Provided herein is a material for monitoring and/or treating the presence of contaminant organic compounds in water. The material is a matrix of fibers impregnated with one or more metal oxides.

Abstract: A valve (16) comprising a housing (30), a valve filter media (34) and an actuator (48). The housing (30) defines a chamber (32) having an inlet (44) and outlet (48). The media (34) is positioned within the chamber (30) such that liquids flowing between the inlet (44) and outlet (48) pass through the media (34). The valve filter media (34) is formed of a material which can absorb hydrocarbons, causing the media (34) to change its material properties thereby restricting the flow of liquids through the valve (16) and increasing the pressure differential across the media (34). The actuator (48) has at least a portion positioned within the housing chamber (32). If the pressure differential across the media (34) exceeds a predetermined threshold, the media (34) bears against the actuator (48) causing the actuator (48) to restrict the flow of liquids through the valve (16).

Abstract: Disclosed is an apparatus for self-extracting a cell using a magnetic field. The apparatus for self-extracting the cell using the magnetic field according to the present invention includes a flow path casing including an upper substrate and a lower substrate having a magnetic property combined with each other, and a fluid path formed to fluidize a cell solution therein; a separation portion disposed on the fluid path and provided with a separation channel selectively passing only an effective cell that is a separation target in the cell included in the cell solution therethrough; and a magnetic field control portion forming the magnetic field in the flow path portion to separate the cell blocking the separation channel from the separation channel.

Abstract: Method and system for extracting and recovering hydrocarbons from wastewater and treating the water to improve its condition. A series of specific unit operations result in the extraction of hydrocarbons, solids and contaminants and the treatment of water to a condition which is fit for re-use or environmentally sustainable discharge. Phase separation between the water and hydrocarbons is effected using flotation techniques followed by collection of the hydrocarbons using a movable collection surface. The aqueous phase is processed by multiple filtration steps. The result is significant extraction and recovery of hydrocarbons and conservation of water for re-use or discharge to the environment in a process which is continuous and scalable for large or small operations.

Abstract: An apparatus and methods for measuring the concentration of an additive are disclosed. The apparatus comprises a treatment stream (1) and a dosing stream (2). An additive is added to the dosing stream using a metering device (3). In some embodiments, the dosing stream is mixed after adding the additive using a first mixing device (4). Downstream from the metering device and the mixing device, the concentration of the additive in the dosing stream is measured using a monitor flow cell (5). In some embodiments, the dosing stream and treatment stream are combined (6) and mixed using a second mixing device (7). The concentration of the additive in the treatment stream can be calculated as a function of the volumetric flow rate ratio of the dosing stream to the treatment stream and the measured concentration of the additive in the dosing stream.

Abstract: A greywater treatment and reuse system includes a collector for collecting greywater, a distributor for distributing treated greywater for reuse, and a treatment and storage device for treating collected greywater and for storing treated greywater before the greywater is sent to the distributor for reuse. The treatment and storage device is fluidly connected to the collector by a delivery line and is fluidly connected to the distributor by a distribution line. The treatment and storage device includes a first filter that is fluidly connected to a second filter by a connection line and a chlorinator fluidly connected to the delivery line, the chlorinator injecting a first dose of chlorine into the delivery line.

Abstract: Embodiments of the present invention relate to a filtration device and method for filtering liquids. In conventional devices, a liquid is placed in a vial, and a plunger, having a filter membrane located at one end, is depressed into the vial, causing the liquid to pass through the filter membrane into the interior of the plunger, where it is stored until required for further processing. However, such plungers are typically made of a plastics material. It is undesirable to store the filtered liquid in contact with plastics for extended periods of time, as contaminants may leach from the plastics material into the sample. In embodiments of the present invention, a filtrate receptacle made from a different material to the plunger, such as a glass material, is located in the interior of the plunger and the filtered liquid collected in the filtrate receptacle after passing through the filter membrane.

Abstract: A structural assembly is provided with a rectangular, hollow flame including a loop flange along edges, a recess on one side of the flange, a channel through the recess, a wall facing and spaced from one end of the channel within the frame, and a groove through the wall; and a flexible sealing cap complimentary to the recess and including an outer handle, an inner engaging member spaced from the handle, an L-shaped peg on one surface of the engaging member distal the handle, and an enlargement at one end of the peg. The enlargement is larger than the peg. Width of the groove is greater than the peg. The enlargement is larger than the width of the groove. The peg and the enlargement can pass the channel. A periphery of the engaging member is greater than that of a bottom of the recess.

Abstract: A chassis card cage includes a front panel, a backplane opposite the front panel, opposing sides extending between the front panel and the backplane, a series of module slots extending between opposing sides, each of the series of module slots configured to accommodate a card module, and a module slot divider including a first portion extending perpendicularly from the backplane and a second portion connectable to the first portion and extending from the second portion toward the front panel, wherein at least the second portion of the module slot divider has a divider height substantially equal to a height of a single module slot and is configured to divide one of the series of module slots into side-by-side module slots.

Abstract: A wafer boat for accommodating semiconductor wafers comprises two side rods and at least one back rod, the rods being vertically oriented and extending between a top member and a bottom member. The rods comprise vertically spaced recesses formed at corresponding heights, recesses at the same height defining a wafer accommodation for receiving and supporting a wafer in a substantially horizontal orientation, the recesses having an improved shape. The upwardly facing surfaces of the recesses comprise a first flat surface in an inward region of the recess which is horizontal or inclined upward in an outward direction of the recess and a second flat surface in an outer region of the recess which is inclined downward in an outward direction of the recess. The intersection of the first and second surface forming an edge for supporting the wafer. The recesses are easy to machine and prevent damage to the wafer.

Abstract: An end frame assembly, for use with a display unit including a post having at least one aperture formed through each of two opposing surfaces of the post, comprises an end frame, a first stationary plate coupled to the end frame, a second stationary plate coupled to the end frame and spaced from and extending substantially coplanarly with respect to the first stationary plate, and a first slide plate disposed over the first stationary plate and including a first tab configured to fit within one aperture formed through one of the two opposing surfaces of the post. The first slide plate is selectively coupled with the first stationary plate via at least a first fastener, and the first fastener is selectively releasable to selectively allow linear movement of the first slide plate and selectively securable to hold the first slide plate in a substantially static.

Abstract: A sheer rod attachment comprises a telescopic rod, a first attachment, and a second attachment. The first attachment and the second attachment are attached to the telescopic rod from each end. The telescopic rod comprises a middle rod, a first rod, and a second rod. The first rod and the second are traversed within the middle rod, and the first rod and the second rod telescope out from the middle rod. A magnet is positioned within the middle rod so that the first rod and the second rod can be attached when the sheer rod attachment is not in used. A plurality of holes is positioned along the middle rod which equalizes the inside and outside air pressure when the first rod and the second rod is either extended or retracted.

Abstract: A display intended use on a conventional pallet rack having at least two horizontal telescopically extensible tubular members, an inverted L-shaped support including a first portion adapted to engage an interior step of an existing pallet rack cross-support of a pallet rack and a second portion depending from the first portion and fixed to an end of one of the tubular members. A plurality of hooks movable along the length of and supported by each telescopically extensible pair of tubular members, the hooks being adapted to engage, directly or indirectly, an upper edge of sheet goods for suspended display within the pallet rack. Two or more adjacent telescopically extensible pairs of tubular members can be coupled together at a fixed separation distance to provide multiple rows of displayed sheet goods.

Abstract: An auxiliary transport unit is provided in particular for pallets, wherein the pallets include a loading base which, during transport, is oriented substantially horizontally. The auxiliary transport unit has a supporting device which, during transport, extends substantially in the vertical direction. The auxiliary transport unit also includes a connecting device which connects the supporting device to at least one first, lower pallet. The auxiliary transport unit also has a holding device which is connected to the supporting device. The holding device is provided for holding at least one second pallet vertically spaced from the at least one first pallet.

Abstract: A portable derrick system for use in hoisting and lowering loads at a plurality of job sites, comprising, in combination: a boom subassembly, a boom head subassembly, a mast support subassembly, a mast head subassembly, a load-carrying line, a winch capable of cooperating with said line, power means for driving the winch, means for pivoting the boom assembly, means for controlling said pivoting means, the foregoing elements of the invention capable of being transported by humans to elevated positions such as, without limitation, rooftops and terraces, and wherein the aforementioned are capable of repeated assembly and disassembly at a plurality of job sites and serving to facilitate the elimination of the need for a street-level crane.

Abstract: A toy train car including a coupler or hitch. The coupler includes a first connector (e.g., socket) configured to be connected to the train car and a second connector (e.g., ball) configured to be connected to the train car. The first connector can be positioned in the front or rear of the train car. The second connector also can be positioned in the front or rear of the train car. Each train car can include a first connector and a second connector. The first and second connectors are configured to couple together to link a plurality of train cars together.