Abstract: A method of sorting a plurality of articles (A, B, C), in which each article goes through a sorting installation in at least two passes, comprises the steps of recording the image of each article that is generated during the first sorting pass in a memory and in correspondence with a data item indicating a sorting outlet to which the article is directed during the first sorting pass. If an article is misrouted, a correctly routed reference article is chosen in the vicinity of the misrouted article in the sequence of articles obtained during the last sorting pass, the memory is searched (22-28) for an image of said correctly routed reference article, and, on the basis of said reference article image, a set of article images grouped together in the memory and that includes the image of the reference article is looked through (29-34) to identify an image of the misrouted article.

Abstract: The present invention intends to provide an optical sorting machine which can improve the collection rate of non-defective products without increasing the size of the machine.

Abstract: A seed sorter system is operable to sort seeds based on one or more characteristics of the seeds. The system includes a seed loading station operable to isolate individual seeds from a plurality of seeds and load the isolated seeds into a seed tray, an imaging and analysis subsystem operable to collect image data of at least a top portion and a bottom portion of each of the seeds in the seed tray and determine one or more characteristics of each of the seeds, a seed off-load and sort station operable to remove the seeds from the seed tray and sort the seeds to desired receptacles based on the determined one or more characteristics of the seeds, and a seed transport operable to move the seed tray between the seed loading station, the imaging and analysis subsystem, and the seed off-load and sort station.

Abstract: The present invention is an apparatus and method for sorting foreign material and undesirable articles from a product stream. A mechanical diverter having a concave shape is responsive to an inspection station coupled to the product stream. The mechanical diverter is employed to effectively launch or otherwise redirect undesirable articles in an alternate path. In addition, an air ejector in one form of the invention is provided and is responsive to the inspection station and is employed to dislodge foreign material from the product stream.

Abstract: A piezoelectric valve comprising: a valve main body formed in which are a gas pressure chamber that takes in compressed gas supplied from the outside as well as a gas release channel through which the compressed gas is released from the gas pressure chamber; a valve body placed in the gas pressure chamber to open and close the gas release channel; a piezoelectric element that generates, in the form of displacement, a driving force needed to operate the valve body; at least one displacement amplification mechanism that amplifies a displacement of the piezoelectric element and causes it to act upon the valve body; and a driving means for applying voltage to the piezoelectric element in order to drive the valve body to open the valve and thereby open the gas release channel; wherein such piezoelectric valve is characterized in that the driving means applies voltage to the piezoelectric element in multiple stages so as to suppress fluctuation in the amount of gas ejected from the gas release channel when the valv

Abstract: In some implementations, a cooler reduces the temperature of pressed dough balls after the pressed dough balls have been baked in an oven. The cooler may include multiple cooling conveyors arranged in a vertical stack with adjacent conveyors transferring the pressed dough balls in opposite directions. The cooler may include a safety release turnaround between each of the adjacent cooling conveyors to move the pressed dough balls between the adjacent conveyors in the cooler.

Abstract: An apparatus and method are provided for managing (e.g. sorting, orienting, arranging, and stacking, etc.) one or more utensils; the utensils having a first and second end that define a longitudinal axis. The utensil sorting apparatus comprises of a plurality of arms to which a mechanism for locating a utensil, one or mechanisms for identifying a utensil, a device for orienting a utensil, and a device for grasping a utensil are attached. The grasping mechanism is used to transport a utensil to various steps used in a sorting process with a final step being to place the utensil in a designated bin, or compartment. The utensils placed in a compartment are oriented such that the first end of each utensil is at the same end of a wall of the compartment. The apparatus can also be used to arrange and stack utensils in preparation for secondary operations.

Abstract: Disclosed herein is a microchip including a substrate and a sample flow path within the substrate. The sample flow path includes a changing flow path and a microtube connected to the changing flow path. The changing flow path is configured to change a cross sectional shape of the sample flow path from a quadrangular shape at a first end to a circular shape at a second end. The microtube is connected to the second end of the changing flow path and is disposed within the substrate.

Abstract: A packaged chip detection and classification device includes a rotation unit for transporting a plurality of packaged chips, a packaged chip detection unit, and a packaged chip classification unit. The rotation unit includes a rotary turntable, a plurality of receiving portions formed on the rotary turntable, and a plurality of suction-exhaust openings respectively formed in the receiving portions. Each receiving portion is used to selectively receive at least one of the packaged chips. The packaged chip detection unit includes a packaged chip detection module adjacent to the rotation unit for detecting each packaged chip. The packaged chip classification unit includes a packaged chip classification module adjacent to the rotation unit for classifying the packaged chips. Therefore, the packaged chip detection and classification device can be used to detect and classify no-lead packaged chips by matching the rotation unit, the packaged chip detection unit, and the packaged chip classification unit.

Abstract: A tube sorter comprising: a rack stocker configured to have stocked therein a sample rack capable of holding one or more sample tubes; a transporting section configured to transport a sample rack; a tube conveyor configured to perform an unloading operation of unloading a sample tube from a sample rack that was transported by the transporting section and a loading operation of loading the sample tube onto a sample rack supplied from or stocked in the rack stocker; and a rack conveyor configured to convey an empty sample rack or a sample rack to be emptied to the rack stocker, is disclosed.

Abstract: A system and method are provided for creating a precision blended seed product. A first seed group is received in a first seed hopper and transferred to a first automated metering device. A second seed group is received in a second seed hopper and transferred to a second automated metering device. A controlled portion of seed may then be metered from the first seed group with the first automated metering device and from the second seed group with the second automated metering device. The respective metered portions can then be combined together to create a precision blended seed product that includes a predetermined portion of the first seed group and a predetermined portion of the second seed group. In addition, a system and method are provided for separating two or more seed groups from a blended seed product, for example, to test one or both components and replace bad seed.

Abstract: Identification of a material composition. The material composition is configured with a sequential pattern applied to one or more surfaces of the body. The sequential pattern identifies the specific material composition. A discrete section or sub-section of the material is analyzed, after which the discrete section or sub-section may be sorted for recycling.

Abstract: The invention relates to a method of handling portions comprising a respective at least one slice, wherein the slices have been produced by slicing food products, wherein the portions are conveyed, in particular line-wise, one after the other in a main conveying stream along a conveying direction, wherein incomplete portions, in particular portions low in weight, are automatically recognized and/or classified, wherein incomplete portions are expelled from the main conveying stream and are supplied to a correction station in a correction stream, wherein incomplete portions are respectively completed by at least one single slice which is removed from a slice store with the aid of an automatic transfer unit and wherein completed portions are automatically channeled back into the main conveying stream.

Abstract: The present invention relates to a harvesting device for facilitating harvesting of crops growing on a substrate or soil, the device comprising:—a harvesting conveyer comprising crop receiving members suitable for simple manual placing of the crops therein, wherein the conveyor is adapted to discharge the crops from a location within reach of the harvesting location,—transport means for transporting the harvesting conveyer relative to the substrate or the soil, wherein—the harvesting device is suitable for simultaneously harvesting from at least two seed-beds.

Abstract: A system for separating components of a slurry is disclosed, the system including a housing; a basket for holding at least one shaker screen, the basket movably mounted in the housing; at least one vibrator coupled to the basket; a sump disposed below the basket to collect at least a portion of the slurry passing through the at least one shaker screen; a pressure differential device fluidly connected to the sump for developing a pressure differential across the at least one shaker screen; and a toggling device for toggling the pressure differential across the screen. A system including a degassing chamber fluidly connected to a sump and a pressure differential device, wherein the degassing chamber is disposed between the sump and the pressure differential device, and a fluid conduit fluidly connected to the degassing chamber for recovering a degassed fluid is also disclosed.

Abstract: A method including treating packs of overlapping postal objects for generating singulated postal objects, directing each postal object towards a respective outlet selected from among a number n of selectable outlets. The method includes performing a first sorting step, accumulating, within an i-th selected outlet, postal objects belonging to K subgroups having homogeneous delivery points, and carrying out a step of re-processing the previously sorted postal objects, whereby the postal objects taken from the outlets are treated for forming ordered sets of postal objects, each set comprising the postal objects belonging to a respective homogeneous subgroup and being formed by postal objects ordered according to successive delivery points; and performing a second step of sorting ordered sets, on the basis of which the postal objects that have corresponding positions within each subgroup are sent to the respective outlets. The objects are accumulated according to successive delivery points in the outlets.

Abstract: System and method for detection of oversize particles in the underflow of a vibratory separator and method for measuring the operability of a vibratory separator. The system comprises a sampling line connected to the underflow discharge line of the vibratory separator for sampling a portion of material, a centrifugal sensing pump powered by an electric motor with a power supply measuring device, a sampling screen, and a return line. A reduction in power supplied to the electric motor indicates a reduction in flow of material through the sampling screen as a result of oversize particles in the underflow of the vibratory separator. A baseline amount of power supplied to the electric motor may be measured and recorded. The subsequent amount of power supplied to the electric motor may then be compared to the recorded baseline amount to measure the operability of the vibratory separator.

Abstract: Meat trim portions are sorted by employing quantitative lean point analysis and one or more sorting steps. Embodiments of the present invention are adapted to make lean point determinations, to compare the determinations to one or more sorting parameters, and to direct meat trim portions to one of a plurality of containers based on the comparison. Meat trim portions from each container are subsequently processed into ground meat.

Abstract: A method for automatically sorting undeliverable as addressed (UAA) mail can include capturing a first image of a first UAA mail piece with a camera to create first image data, passing the first image data to a waste verification system and performing optical character recognition to produce a first character recognition data set. The method includes testing the first character recognition data set to determine whether the first UAA mail piece is a verified waste mail piece. If the first UAA mail piece is a verified waste mail piece, the method includes routing the first UAA mail piece into a first bin. If the first UAA mail piece is not a verified waste mail piece, routing the mail piece to a second bin.

Abstract: Methods and systems for achieving higher efficiencies and capacities in sorting feed material are described herein, such as for separating desirable “good” rock or ore from undesirable “bad” rock or ore in an unsegregated, unseparated stream of feed material. In the disclosure, higher efficiencies are achieved with combinations of multiple sensor/diverter cells in stages in a cascade arrangement. The number and combination of cells in the cascade may be determined through a priori characterization of probabilities involved in sensor/rock and rock/diverter interactions, and mathematical determinations of the optimal number and combination of stages based on this probability. Further, as disclosed herein, desired sorting capacities are achieved through addition of multiple cascades in parallel until the desired sorting capacity is reached.

Abstract: A method and apparatus for sorting particles moving through a closed channel system of capillary size comprises a bubble valve for selectively generating a pressure pulse to separate a particle having a predetermined characteristic from a stream of particles. The particle sorting system may further include a buffer for absorbing the pressure pulse. The particle sorting system may include a plurality of closely coupled sorting modules which are combined to further increase the sorting rate. The particle sorting system may comprise a multi-stage sorting device for serially sorting streams of particles, in order to decrease the error rate.

Abstract: A sorting apparatus is described, and which includes a conveyor which transports a produce stream for inspection. The conveyor has various regions formed in part of ridges, troughs and apertures which reduce the weight of the produce stream, as well as reduces the vertical and horizontal components of motion of the produce stream, as the produce stream progresses from one end to the other.

Abstract: The invention relates to a cover (1) for a waste container (3), having an opening (5) that is formed in the cover (1). Waste (11) can be transferred into the waste container (3) via a sliding surface (9) of a slide (7), the surface being associated with the opening (5). At least one metal detector (13, 13a, 13b, 13c) is associated with the cover (1) such that metal components (15) of the waste (11) can be detected before transferring the waste (11) into the waste container (3).

Abstract: An optical granular material-sorting apparatus includes: a transfer means for transferring objects being sorted; an optical detection means for detecting, at a detection position, objects being sorted as they drop from an end of the transfer means; and a blasting means provided below the optical detection means and designed to blow away objects being sorted through blasting of air based on the result of detection by the optical detection means. The blasting means has a piezoelectric valve which is driven by a driving means to blast air based on the result of detection by the optical detection means. The driving means applies voltage to a piezoelectric element in multiple stages so as to suppress fluctuation in the amount of gas ejected from a gas release channel when the valve opens.

Abstract: An apparatus and method are provided for managing (e.g. sorting, orienting, arranging, and stacking, etc.) one or more utensils; the utensils having a first and second end that define a longitudinal axis. The utensil sorting apparatus comprises of a plurality of arms to which a mechanism for locating a utensil, one or mechanisms for identifying a utensil, a device for orienting a utensil, and a device for grasping a utensil are attached. The grasping mechanism is used to transport a utensil to various steps used in a sorting process with a final step being to place the utensil in a designated bin, or compartment. The utensils placed in a compartment are oriented such that the first end of each utensil is at the same end of a wall of the compartment. The apparatus can also be used to arrange and stack utensils in preparation for secondary operations.

Abstract: After stacking m wafers in each of which a plurality of semiconductor chips are formed, the m wafers are diced to semiconductor chips to form a first chip stack having m of the semiconductor chips stacked, and, after stacking n wafers, the n wafers are diced to semiconductor chips to form a second chip stack having n of the semiconductor chips stacked. Next, the first chip stack is sorted according to the number of defective semiconductor chips included in the first chip stack, and the second chip stack is sorted according to the number of defective semiconductor chips included in the second chip stack. Furthermore, the first chip stack or the second chip stack after sorting are combined to form a third chip stack.

Abstract: A paper sheet counting system includes: a first paper sheet counting apparatus whose operation mode can be switched between a cooperative mode and an independent mode, the first paper sheet counting apparatus including: a first receiving unit configured to take in deposited paper sheets one by one; at least two first stacking units configured to stack therein the paper sheets; a first recognition unit configured to recognize and count the paper sheets; and a first transport unit configured to transport the paper sheets between the first receiving unit and the first stacking units, based on a recognition result of the first recognition unit; a second paper sheet counting apparatus whose operation mode can be switched between a cooperative mode and an independent mode, the second paper sheet counting apparatus being capable of communicating with the first paper sheet counting apparatus, the second paper sheet counting apparatus including: a second receiving unit configured to take in deposited paper sheets one

Abstract: The invention relates to a method for inspecting, with the aid of a machine (1), transparent or translucent hollow articles (Aj) streaming past a series of monitoring stations each comprising at least one sensor (Ci) delivering an output signal (Si(j)) for each article (Aj) traveling past a sensor.

Abstract: A method for sorting out interfering objects (2) in a material stream (13) consisting of acceptable material (1), preferably cullet, wherein during a sorting process the interfering objects (2) and the acceptable material (1) are respectively sorted in at least one separate room area or container, preferably a shaft (9, 10). In order to achieve high degrees of purity with low loss of acceptable material and to simultaneously avoid the use of high fluid blowout pressures and quantities, it is provided that the material stream (13) is continuously subjected during a sorting process to a fluid stream, preferably consisting of compressed air, having a blowing pressure, wherein the fluid stream is interrupted temporally and/or locally depending on a detection result of a detection device (14), which detects the interfering objects in the material stream (13).

Abstract: Method and system for processing of meat trim products, where trim products are supplied as a sequence of collections of trim (COTs), each collection of trim (COT) comprising a plurality of trim products, whereby a fat/meat relationship for a collection of trim (COT) is measured, a collection of trim (COT) is transferred to a selected station by a separator, controlled by a controller, and whereby a batch is completed at a selected station on the basis of data for said fat/meat relationship, said batch comprising one or more collections of trim (COTs) and fulfilling a predetermined criterion regarding a total fat/meat relationship.

Abstract: A conveyance control device is provided to comprise a turning device 13 that has a trifurcate intersection 7 and a deflector 20 of three vertexes 21, 22, 23 rotatably supported in trifurcate intersection 7, an actuating device 30 for moving each of three vertexes 21, 22, 23 of deflector 20 to open gates 27, 28, 29 defined between vertexes 21, 22, 23 and related inner surfaces 7a, 7b, 7c of trifurcate intersection 7, and a conveyance device 9 for transporting a document along shuttle, reserve and recycle pathways 5, 10, 11 and for transporting the document through each gate 27, 28, 29 from one to another of the shuttle, reserve and recycle pathways 5, 10, 11.

Abstract: In one embodiment, a system for removing a plastic wrap from a cylindrical module includes a conveyor transporting the cylindrical module toward a disperser with the cylindrical axis of the module parallel to the direction of conveyor movement. In another embodiment, the disperser is a travelling head disperser thereby providing relative movement between the modules and the disperser. The direction of the wrap around the module is determined and the cover is removed during rotation of the module, either by unwrapping the plastic or by slitting the plastic and then rotating the module. The equipment used to handle a cylindrical module is moved out of the path of movement of a conventional rectangular module so an installation can handle both rectangular and wrapped cylindrical modules.

Abstract: The invention concerns a machine for collecting and sorting waste comprising a frame (2) with a base (3) resting on the floor and a front face (5) in which an opening (7) is made, allowing access to a waste insertion zone (8), the machine further comprising, inside the frame (2), means (50) of recognizing waste, a waste sorter (40) and means (20, 23) of storing sorted waste comprising at least two containers (20), the machine comprising: an elevator (15) for transporting a waste item inserted into the insertion zone (8), towards the sorter (40) disposed vertically above the insertion zone (8), and the waste sorter (40) being arranged so as to move the transported waste vertically above a container (20), selected according to information furnished by waste recognition means (50), and in which the waste is received. The machine can also comprise means for compacting waste.

Abstract: A method of collecting and processing organic waste material is disclosed, comprising, placing organic waste in an identifiable can liner, placing the can liner in a general waste stream, and at a later point in time removing the can liner from the waste stream while maintaining the integrity of the contents therein.

Abstract: A sorting system according to embodiments of the present invention includes a housing, a tray tiltably coupled to the housing and having a top surface configured to receive an object, an actuator configured to tilt the tray to at least a first position at which the object rolls or slides off of a first end of the tray, and a second position at which the object rolls or slides off of a second end of the tray opposite the first end, and an object recognition system configured to determine whether the object is a first type of object or a second type of object, wherein the actuator is configured to tilt the tray to the first position when the object is the first type of object, and wherein the actuator is configured to tilt the tray to the second position when the object is the second type of object.

Abstract: An apparatus and a method for sorting particles into quality classes are disclosed. The apparatus comprises a measurement device (400) for determining at least one analytical property of said particles. A transport device (300) transports the particles past the measurement device. A sorting device (500) is operatively coupled to the measurement device and sorts the particles into at least two quality classes based on the analytical property. To achieve rapid and reliable transport, the transport device comprises a transport surface (310) configured to move in a transport direction. The transport surface has a plurality of perforations. The transport device further comprises a pump (130) for applying a pressure differential to these perforations, to cause particles fed to the transport device to be aspirated to the perforations and to be transported on the transport surface past the measurement device to the sorting device.

Abstract: Machine for the inspection and sorting of fruits, which has, connected to a control system, an inspection unit (1) and ejection means (3) which eject the fruits inspected by the inspection unit (1) which do not comply with certain conditions pre-established by the control system. The product transport means have a plurality of rotating rollers (7) which rotate the fruits they transport as they advance, providing multiple views of said fruits to the artificial vision system (4), and a final section for the fall of the fruits with a curved surface with variable decreasing radius. The present invention also consists of a method to inspect and sort fruits which makes them rotate during their transport and inspection and sets their acceleration at the discharge from the machine through a curved surface with decreasing radius.

Abstract: The invention generally relates to a novel method of sorting seed by providing a first seed population with a fluorescent indicator and a second seed population visually identical to the first seed population under standard operating conditions. The seed populations are combined to provide a combined seed population. A lamp having an output corresponding to the activation wavelength of the fluorescent indicator and a color sorting system are paired to count or separate the seed populations, as desired.

Abstract: A method and a device sort objects, in particular flat postal items, by use of intermediate storage units. A feed transport unit transports the objects to a series of a multiple of intermediate storage units which are connected in parallel. Each object is transported into an intermediate storage unit in accordance with the respectively measured value of a sorting feature. Later, each intermediate storage unit is emptied, and a removal transport unit transports the objects away. Each intermediate storage unit is emptied at the latest when the last object in the series of objects transported in the feed transport unit has been transported into the intermediate storage unit or when the object has been transported past the feed connecting path to the intermediate storage unit.

Abstract: A method of separating a mined material that comprises assessing the grade of successive segments of the mined material, and separating each segment on the basis of grade into a category that is at or above a grade threshold or a category that is below the grade threshold. An apparatus is also disclosed.

Abstract: A printing ink includes a micrometer-sized or nanometer-sized coal material. The micrometer-sized or nanometer-sized coal material is produced using a method of providing a controlled batch of micrometer-sized or nanometer-sized coal material. This method includes the steps of: (a) specifying at least one desired physical and/or chemical parameter of the controlled batch of coal material; (b) specifying the desired range of the physical and/or chemical parameter in the controlled batch of coal material; (c) obtaining a feedstock batch of coal material; and (d) processing a feedstock batch of coal material to obtain the controlled batch of coal material having the at least one specified physical and/or chemical parameter in the specified range thereof. In a further step, the controlled batch of coal material can be activated.

Abstract: In one embodiment, a system for removing a plastic wrap from a cylindrical module includes a conveyor transporting the cylindrical module toward a disperser with the cylindrical axis of the module parallel to the direction of conveyor movement. In another embodiment, the disperser is a travelling head disperser thereby providing relative movement between the modules and the disperser. The direction of the wrap around the module is determined and the cover is removed during rotation of the module, either by unwrapping the plastic or by slitting the plastic and then rotating the module. The equipment used to handle a cylindrical module is moved out of the path of movement of a conventional rectangular module so an installation can handle both rectangular and wrapped cylindrical modules.

Abstract: A method of sorting articles for subsequent treatment in an appliance. The method may sort the articles on a mobile device and the sorted articles may be treated according to a cycle of operation implemented by the appliance.

Abstract: Provided is a color sorting machine in which decreases in yield resulting from the erroneous inclusion of good granules can be prevented by using different selection algorithms and operation ejector nozzle operations resulting therefrom in a first sorting part and a second sorting part. The machine is provided with: a binarization means for binarizing images of granular objects, a flaw-detecting means for extracting flawed parts of granular objects, a reducing means for reducing images of the external contour parts of granular objects, an enlarging means for enlarging images of the flawed parts of granular objects, and a synthesis means for synthesizing the reduced images of the external contours and the enlarged images of the flawed parts; wherein on the basis of an image obtained by this synthesis means, different air-jetting operations are established for the ejection means of a first sorting part and the ejection means of a second sorting part.

Abstract: The present invention concerns itself with a dry, free of toxic chemicals, and thus, environmentally safe, mineral processing technique. It uses ore elements' specific heat differences as the basis for separating valuable minerals from ores. No EPA approval, no environmental pit and no expensive monitoring are required in order to practice the teachings of the present invention. Furthermore, the technique described herein is economically attractive since it is a low cost approach to mineral processing.

Abstract: A method and apparatus for sorting particles moving through a closed channel system of capillary size comprises a bubble valve for selectively generating a pressure pulse to separate a particle having a predetermined characteristic from a stream of particles. The particle sorting system may further include a buffer for absorbing the pressure pulse. The particle sorting system may include a plurality of closely coupled sorting modules which are combined to further increase the sorting rate. The particle sorting system may comprise a multi-stage sorting device for serially sorting streams of particles, in order to decrease the error rate.

Abstract: A method and system for optically inspecting manufactured rounds of ammunition or cylindrical components of the rounds to obtain rounds which exhibit superior accuracy when fired are provided. The method includes providing a nominal numerical value and an acceptable range of numerical values for a size or a geometric characteristic of an acceptable manufactured round of ammunition or a cylindrical component of the round for a predetermined caliber of ammunition. Also provided is a high-performance range of numerical values for the corresponding size or geometric characteristic of a high-performance manufactured round of ammunition or a cylindrical component of the high-performance round for the predetermined caliber of ammunition.

Abstract: In a defective-workpiece discharging device, a defective workpiece is discharged to a discharge path from a conveyance path that conveys a plurality of workpieces related to absorbent articles at a predetermined conveyance pitch. The conveyance path has a first path and a second path downstream of the first path. A sorting mechanism between the first and second paths sorts workpieces into either the second path or the discharge path. A defect detection sensor detects a defect and outputs a defect detection signal. A passage detection sensor detects passage of the workpieces at a predetermined position on the first path and outputs a passage detection signal. A controller controls the sorting mechanism based on the defect and passage detection signals. An end of the first path on the sorting mechanism side and the predetermined position are separated by a distance greater than or equal to the conveyance pitch.

Abstract: An apparatus for the automated processing of bulk mail in a continuous and automatic procedure includes an operative combination of processing stations including an input station for receiving incoming mail in bulk fashion and for separating the pieces of mail for individual delivery to the remainder of the apparatus; a station for detecting irregularities in the contents of the envelopes, such as metal items, folded contents, or oversized items; a station for out-sorting envelopes rejected in accordance with determinations made at the detection station; a station for opening the envelopes, preferably along multiple edges; a station for removing the contents from the opened envelopes, for subsequent processing of the contents; and a series of stations for handling, imaging and orienting the contents for subsequent delivery to a plurality of output stackers.

Abstract: A particle sorting cell (10) comprises a cavity (12), an inlet (16) of a fluid flow (14) into the cavity, a first outlet (18) of a first part (22) of the fluid flow out from the cavity and a second outlet (20) of a second part (24) of the fluid flow out from the cavity. The second outlet is displaced from the first outlet in a first direction (Y) transverse to the flow direction (X). An acoustic generator (40) is arranged to apply an acoustic standing wave. The standing wave is transverse to the flow direction as well as to the first direction. A controller (42) is arranged to control a selective operation of the acoustic generator in dependence of an input data signal (44) associated with a particle (32) comprised in the fluid flow. The particle (32) can selectively be separated into the first outlet or the second outlet.