EP2186576A1 - Procédé et dispositif de tri de produits - Google Patents

Procédé et dispositif de tri de produits Download PDF

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Publication number
EP2186576A1
EP2186576A1 EP08447046A EP08447046A EP2186576A1 EP 2186576 A1 EP2186576 A1 EP 2186576A1 EP 08447046 A EP08447046 A EP 08447046A EP 08447046 A EP08447046 A EP 08447046A EP 2186576 A1 EP2186576 A1 EP 2186576A1
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EP
European Patent Office
Prior art keywords
light
product
light beam
products
stream
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP08447046A
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German (de)
English (en)
Other versions
EP2186576B1 (fr
Inventor
Marc Ruymen
Paul Berghmans
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tomra Sorting NV
Original Assignee
Belgian Electronic Sorting Technology Nv (best Nv)
Belgian Electronic Sorting Technology NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Belgian Electronic Sorting Technology Nv (best Nv), Belgian Electronic Sorting Technology NV filed Critical Belgian Electronic Sorting Technology Nv (best Nv)
Priority to ES08447046.7T priority Critical patent/ES2554532T3/es
Priority to PL08447046T priority patent/PL2186576T3/pl
Priority to DK08447046.7T priority patent/DK2186576T3/en
Priority to EP08447046.7A priority patent/EP2186576B1/fr
Priority to HUE08447046A priority patent/HUE026738T2/en
Publication of EP2186576A1 publication Critical patent/EP2186576A1/fr
Application granted granted Critical
Publication of EP2186576B1 publication Critical patent/EP2186576B1/fr
Active legal-status Critical Current
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34—Sorting according to other particular properties
    • B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
    • B07C5/3425—Sorting according to other particular properties according to optical properties, e.g. colour of granular material, e.g. ore particles, grain
    • B07C5/3427—Sorting according to other particular properties according to optical properties, e.g. colour of granular material, e.g. ore particles, grain by changing or intensifying the optical properties prior to scanning, e.g. by inducing fluorescence under UV or x-radiation, subjecting the material to a chemical reaction

Definitions

  • the invention concerns a method for detecting and possibly removing inferior products and/or strange constituents from a product flow, whereby at least one light beam is directed to these products which move according to a certain direction through a detection zone, such that this light beam is at least partly scattered and/or reflected by said products, whereby the scattered light at least partly enters a detector, and whereby constituents or products which scatter the light can be distinguished from suitable products in a way which differs from that of the latter.
  • said products are moved over a reference element in said detection zone which scatters said light beam in a way similar to that of a good product.
  • This is described in American patent US 4,723,659 .
  • the aim here is to detect only strange constituents or inferior products by means of a sorting device and to possibly remove them. Suitable products are not detected.
  • edge effects are produced with inferior products, strange constituents as well as suitable products in the signal which is generated when said light beam moves over one or several products, since said light beam moves from the reference element to the products and vice versa. These edge effects may result in an incorrect identification by the sorting device.
  • the invention aims to provide a method which makes it possible to identify products in a very accurate manner, whereby edge effects no longer have any influence whatsoever.
  • a stream of light is generated in the detection zone between a reference element and said scan means, whereby the intensity of this stream of light is observed in a direction which substantially corresponds to the direction of said light beam and, when this intensity exceeds a preset value, in particular when it is lower than this preset value, a product which is hit by the light beam will be qualified as a suitable product or as an inferior or a strange product as a function of the detection signal of at least one detector.
  • said products are illuminated by means of a light source, forming a stream of light with a frequency spectrum which is at least partly different from the spectrum of said light beam.
  • said products move through the detection zone, they will at least partly disturb said stream of light. This disturbance is detected, and when such a disturbance occurs with a product in a position near or on the path of the above-mentioned light beam, this product will be identified as a strange constituent, an inferior product or a suitable product by means of said light beam.
  • said products are illuminated by said stream of light on the side which is mainly opposite to the side where said light beam impinges upon the products, and said stream of light is detected on the last-mentioned side of the product in such a direction that, when a product is situated in a position near or on the path of said light beam, the disturbance of the stream of light by this product can be observed in the direction of said light beam, whereby subsequently, when such a disturbance occurs, the product will be identified as a strange constituent, an inferior product or a suitable product.
  • said product will be identified by means of said light beam when it impinges entirely upon the product and, consequently, the light scattered by this product can be detected substantially without any influences of edge effects.
  • the signal when said light beam moves over a product, the signal, generated by said detector as a result of light of the light beam entering it as scattered by the product, will only be used to identify the product when the disturbance of the stream of light coming from said light source has reached a predetermined detection level, whereby said signal is no longer used to identify the product when said level is exceeded again as said disturbance decreases.
  • said light beam impinges upon said reference element and forms said stream of light, whereby this stream of light is guided at least partly to a detector via the reference element which detects the intensity of the stream of light and converts it in an intensity signal, whereby the product is qualified when this intensity signal exceeds a preset value.
  • the invention also concerns a sorting device to apply the method according to the invention, in particular for separating inferior products and/or strange constituents from products which move in a certain direction through a detection zone, with a detection device which is provided with at least two detectors and with means to generate at least one light beam directed to said products, moving crosswise to the direction of movement thereof, such that the light of this light beam is scattered and/or reflected by said products, whereby the light which is scattered by said products at least partly enters a first detector.
  • this sorting device is provided with a light source which generates light which can be distinguished from that of said light beam, in particular light which has a frequency spectrum which is at least partly different from that of the light of said light beam and which is directed such that it becomes possible to illuminate said products, and whereby a second detector is provided which measures a disturbance of the stream of light coming from said light source by at least one of the products.
  • the detector which measures the disturbance of said stream of light is mounted such that this disturbance is measured according to the direction of said light beam.
  • said light source is longitudinal and it extends at least partly in said detection zone, such that said light beam moves over the light source.
  • the sorting device comprises means for generating a stream of light in the detection zone between a reference element and scan means, whereby at least one second detector is provided which makes it possible to detect the intensity of said stream of light in a direction which corresponds substantially to the direction of said light beam and to generate a corresponding intensity signal, whereby this sorting device comprises means to compare the intensity signal to a preset value, whereby means are further provided to qualify a product hit by the light beam, when said intensity signal exceeds the preset value, as a suitable product or as an inferior or strange product as a function of the detection signal of said first detector.
  • the reference instrument of this variant of the sorting device preferably comprises a light-conducting instrument which is connected to and works in conjunction with said second detector.
  • Figure 1 is a schematic view in perspective of a sorting device according to the state of the art.
  • Figure 2 schematically represents a detection device according to the state of the art.
  • Figure 3 is a schematic view of a reference element with a product, represented according to the direction of movement of the product, with an accompanying graph which represents the signal coming from light of said light beam, generated by a detector, as the light beam moves over the product.
  • Figure 4 is a schematic view of a reference element, represented according to the direction of movement of a product to be detected.
  • Figure 5 is a schematic view of two products situated next to one another and a reference element, represented according to the direction of movement of these products with an accompanying graph which represents the signal coming from light of said light beam, generated by a detector, as this light beam moves over the products.
  • Figure 6 schematically represents a detection device according to the invention.
  • Figure 7 is a schematic view of a product with a light source according to the invention, represented according to the direction of movement of the product, with an accompanying graph which represents the signal coming from light of said light sources, generated by a detector.
  • Figure 8 is a schematic view of two products situated next to one another and a light source according to the invention, represented according to the direction of movement of these products with an accompanying graph which represents the signal coming from light of said light beam, generated by a detector.
  • Figure 9 is a schematic top view of a part of the light source according to the invention with a product to be identified.
  • Figure 1 shows a traditional sorting device which is provided with a conveyor belt 1, a compressed air device 2 and a detection device 3 working in conjunction with a reference element 4.
  • the detection device 3 is schematically represented in figure 2 .
  • products 5 consisting of loose parts such as peas, raisins, shrimps, nuts, fries or granular products are moved over said reference element 4 through a detection zone 6.
  • the far end of the conveyor belt 1 extends up to the reference element 4, such that products 5 which are moved by the conveyor belt 1 according to arrow 1' in the direction of the detection zone 6 and the reference element 4, when leaving the conveyor belt 1, have a sufficiently large speed to successively move through the detection zone 6 over the reference element 4 and under the compressed air device 2.
  • a light source 26 of said detection device 3 generates a light beam 9, in particular a laser beam, directed to the reference element 4 and moving at a relatively high frequency over the latter through the detection zone 6.
  • the light beam 9 enters a rotating, regular, octagonal prism 25 provided with mirror surfaces 24 and it is reflected to the reference element 4, as is schematically represented in figure 2 .
  • Such a prism 25 is also called a polygon mirror and it is part of what are called the scan means.
  • the light beam 9 moves according to arrow 10 over the reference element 4. This light beam 9 thus enters the products 5 moving through said detection zone 6 and it will be scattered and/or reflected by the products 5.
  • scattered light the light which is reflected in a diffuse manner at the surface of a product 5 on the one hand, and the light which is emitted by the product 5 on the other hand as said light beam 9 at least partly penetrates the latter and is scattered therein, thus illuminating at least a part of the product 5.
  • the scattered light is normally not polarized, as opposed to the light of the light beam 9.
  • Every product 5 is identified as a strange constituent, an inferior product or a suitable product 5 according to techniques known as such.
  • Light that is scattered by the product 5 is hereby discerned by a detector 23 and, on the basis of the signal generated by the detector 23, the above-mentioned identification takes place.
  • Said detector 23 discerns the scattered light which enters a mirror 27 according to the path of the light beam 9 via the mirror surface 24.
  • the latter mirror 27 reflects the scattered light to a polarisation filter 28 and the detector 23.
  • the polarisation filter 28 By means of the polarisation filter 28, light that is not scattered but that is for example directly reflected by a product 5 is prevented from entering the detector 23.
  • the mirror 27 is provided with a central opening 27' through which the light beam 9, coming from light source 26, enters the mirror surface 24.
  • a reference element 4 in the shape of a longitudinal tube according to the present state of the art preferably having substantially similar diffusion qualities as a suitable product 5 for the used light beam 9. This makes sure that, when there is no product 5 under said light beam, there will nevertheless be a diffusion of the light beam which approaches the diffusion of a suitable product 5, such that said compressed air device 2 is not needlessly activated.
  • Figure 3 shows a light beam 9 which moves over said reference element 4 according to arrow 10.
  • a signal 11 will be generated by said detector 23 which is provided on the detection device 3 and discerns the light which is scattered by this product 5.
  • the level 12 of this signal 11 has a value that is in relation to the amount of scattered light which is discerned by said detector 23 and which comes from the reference element 4.
  • the light beam 9 moves according to arrow 10 and reaches a product 5, it will first be only partly interrupted by the product 5. This has for a result that a part of the light beam 9 is scattered by the product 5 on the one hand, and that the other part of the light beam 9 enters the reference element 4 and is scattered there on the other hand.
  • the light which is scattered at this reference element 4 is largely screened from said detector 23 by the product 5. This is also the case when the light closely passes the product 5.
  • the detector 23 discerns the scattered light in a direction which substantially coincides with the direction of said light beam 9 on the side of the products 5 opposite to said reference element 4. This results in an edge effect, in particular what is called a shadow effect.
  • suitable products 5 may possibly be identified as strange constituents or inferior products.
  • a strange constituent or inferior product may be identified as a suitable product 5. Consequently, such an edge effect has an influence on the quality of the sorted products 5 and it should be avoided.
  • the signal 11 generated by the detector 23 reaches a level 15 for a suitable product 5.
  • the height of this level 15 determines whether a product 5 is either or not identified as a strange constituent, an inferior product or a suitable product.
  • a second type of edge effect occurs when two products 5 are situated at a short distance from one another, or substantially against one another while moving through said detection zone 6. Such a situation is represented in figure 5 .
  • the light beam 9 will substantially not be scattered or not be scattered at all by these products 5, and it will enter the reference element 4 between the latter.
  • This reference element 4 scatters the light coming from the light beam 9, but this scattered light cannot be discerned, or only to a very small extent, by said detector 23 as the products 5 are situated between the latter and the light scattered by the reference element 4.
  • the signal 11 of this detector 23, due to the shadow effect will evolve to a level 14 which is usually different from the level 15 of the signal 11 for a suitable product 5 or from the level 12 of this signal 11 for the reference element 4. This may lead to a wrong identification of the products 5, whereby for example an inferior product is identified as being suitable.
  • the invention aims to prevent said edge effects from having any influence on the identification of the products 5.
  • said products are illuminated by a light source 16 forming a stream of light with a frequency spectrum which is at least partly different from that of the light of said light beam 9.
  • a light source 16 forming a stream of light with a frequency spectrum which is at least partly different from that of the light of said light beam 9.
  • Said stream of light is mainly formed in the detection zone 6, such that products 5 moving through the latter at least partly disturb this stream of light.
  • a disturbance is caused by a product 5 situated in the vicinity of said light beam 9 or which is at least partly entered by the latter, the product 5 will be identified by means of said detection device 3. This makes it possible to only identify a product 5 when said beam 9 entirely enters the latter or, in other words, when said edge effects do not occur.
  • Figures 6 , 7 and 8 schematically represent the above-mentioned light source 16.
  • This light source 16 is longitudinal and extends over substantially the entire length of the detection zone 6, and it thus replaces the above-mentioned reference element 4 in the embodiment according to figure 1 . Consequently, the stream of light generated by the light source 16 partly enters the side 17 of a product 5 directed towards the latter moving crosswise over it. This side 17 is situated opposite to the side 18 of the product 5 which is hit by the light beam 9.
  • the detection device of the sorting device according to the invention differs from the detection device of figure 2 in that it comprises among others a light source 16 and an additional detector 30.
  • the light scattered by a product 5 and coming from the light source 16 6 is directed via a mirror surface 24 and a mirror 27 to the above-mentioned polarisation filter 28.
  • the latter partly reflects the light from the light source 16 to the detector 30.
  • this detector 30 will notice a disturbance in the stream of light when a product 5 is situated in a position near or on the path of the light beam 9.
  • the direction in which said detector 30 observes the stream of light will vary in the same manner as that of the light beam 9.
  • a signal 19 is obtained in this detector 30, as represented in the graph at the bottom of figure 7 , when the light beam 9 moves over a product 5 which is situated in said stream of light.
  • the size of the signal 19 is represented as a function of time.
  • This signal 19 will have a constant level 20 when the stream of light is not disturbed by a product 5 in the direction according to which it is being detected.
  • the perimeter 13 of the product 5 When the perimeter 13 of the product 5 is transgressed, the observed stream of light will be disturbed and the signal 19 will decrease to a level 21 whereby the light source 16 is substantially entirely screened from the detector 30 by the product 5.
  • a level 20 When the perimeter 13 is transgressed again by the light beam 9 according to arrow 10, a level 20 will be reached again for the signal 19 whereby the stream of light will not be disturbed.
  • a detection level 22 is set which has been selected such that, when the signal 19 decreases, as the level 22 is transgressed, the light beam 9 will enter the product 5 concerned over its entire cross section, or at least partly. Thus, when this detection level 22 of the signal 19 is transgressed again, the part of the light beam 9 entering the product 5 will decrease.
  • scattered light coming from the light beam 9 will be only used to identify a product 5 when the disturbance of the stream of light coming from said light source 16 has reached a predetermined detection level 22, and the signal 11 for light that is scattered by a product 5 will be no longer used to identify this product 5 when the detection level 22 is reached again as said disturbance decreases.
  • Figure 8 shows a graph which is analogous to the graph in figure 7 . However, the graph in figure 8 represents a signal 19 which is observed when said light beam moves over two products 5 situated very close to one another.
  • the device is provided with a lens 35, as shown in figure 6 , and an adjustable diaphragm 36.
  • This diaphragm 36 is situated in the focal plane of the lens 35 where the light which is reflected by the polarisation filter 28 enters. In this focal plane is formed an image of a possible disturbance of the stream of light by a product 5.
  • the size of the diaphragm 36 the amount of light entering the detector 30 can be adjusted or, in other words, the gradient of the signal 19 in figures 8 and 9 can be determined when this signal 19 is situated between level 20 and level 21.
  • said products 5 are mainly illuminated by said light source 16 on the side of the products 5 where the light beam 9 enters.
  • a disturbance in the stream of light is detected by observing the light of this stream of light which is scattered or reflected by a product 5.
  • This detection is preferably done according to the direction of said light beam 9, i.e. when a product 5 is situated near or in the path of said light beam 9.
  • the product 5 When a set detection value of the thus observed scattered light is transgressed, the product 5 will be identified as a strange constituent, an inferior product or a suitable product.
  • Figure 9 represents a part of said light source 16 over which a product 5 and the light beam 9 move.
  • the circle 31 represents a measuring zone 32 round the beam 9 where scattered light of said light beam 9 can be discerned by the detector 23. This measuring zone 32 moves together with the light beam 9 according to arrow 10.
  • the surface of a product 5 on which a detection is performed with the light beam 9 is schematically represented by means of a dashed line in the circle 33.
  • an edge region 34 where no scattered light is measured according to the invention since the aforesaid edge effects may occur in this edge region 34.
  • the size of the edge region 34 is determined, as described above, by the gradient of the signal 19 and thus by the opening of the diaphragm 36.
  • the latter will preferably have mainly different frequency spectra.
  • said light source 16 is preferably formed of a conventional fluorescent lamp, in particular a gas-discharge lamp, and said light beam 9 is preferably formed of a laser beam. This makes it possible to discern light coming from the light beam 9 from that of said stream of light.
  • the intensity of a part of the spectrum of the light beam 9 may for example be higher than the intensity of the corresponding part of the spectrum of the light source 16, such that light coming from the light beam 9 may nevertheless be discerned from that of said light source 16.
  • the use of such a light source 16 offers an additional advantage in that it is independent of the products 5 to be identified or to be sorted, as opposed to said reference element 4 which, according to the present state of the art, must scatter the light in a similar way as a suitable product.
  • said stream of light may also be formed of a light beam which is concentric to the light beam 9, but which is divergent or has a larger diameter.
  • the compressed air device of the sorting device may for example be replaced by any separating device whatsoever, and said conveyor belt may be replaced by all sorts of transport devices.
  • said stream of light is formed of said light beam 9 between said prism 25, also called a polygon mirror, and the reference element 4.
  • the intensity of this stream of light is hereby discerned in a direction which substantially corresponds to the direction of said light beam 9.
  • this intensity exceeds a preset value 22, and in particular when it is lower than this preset value, the presence of a product will be detected.
  • the product which is hit by the light beam 9 will be qualified as a suitable product or as an inferior or a strange product depending on the detection signal of said detector 23 which discerns the light which is directly reflected or scattered by the product.
  • the light beam 9 forming said stream of light enters the reference element 4.
  • This reference element 4 is made of a material which is light-conductive and which is connected to a detector, such that the stream of light which enters the reference element 4 will be at least partly guided to this detector.
  • the detector discerns the intensity of the stream of light and converts it in an electric intensity signal.
  • this signal transgresses said preset value 22, a product in which the light beam 9 substantially entirely enters will be qualified as a suitable product or as an inferior or a strange product.
  • Such a reference element comprises for example a glass fibre which extends substantially crosswise to the direction of movement of the products and whose surface makes it possible to guide the stream of light entering the reference element further through the glass fibre to said second detector which is connected to it.
  • the surface of the glass fibre is provided for example with unevennesses via which light in the glass fibre can be coupled.
  • the intensity of the stream of light entering the reference element 4 is determined as a function of the position according to the cross section of the product flow. This makes it possible, for example, to provide for an additional control of a removal device, such as for example a compressed air device 2 for removing products from the product flow.
  • the positions where the intensity signal exceeds said preset value 22 determine the exact position of a product and thus of the part to be activated, in other words the valve 7 to be activated, of the removal device in order to remove a product from the product flow when it appears that this product is an inferior or a strange product.
  • said reference element comprises for example successive glass fibres which are each connected to a separate detector.
  • the far ends of these glass fibres are then directed to the above-mentioned scan means, in particular to said polygon mirror 25, such that said light beam 9 enters the far ends while moving over the product flow.
  • the reference element may further also be formed of a row of detectors situated next to one another, or it may for example consist of a linear camera.

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EP08447046.7A 2008-11-17 2008-11-17 Procédé et dispositif de tri de produits Active EP2186576B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
ES08447046.7T ES2554532T3 (es) 2008-11-17 2008-11-17 Procedimiento y dispositivo de clasificación de productos
PL08447046T PL2186576T3 (pl) 2008-11-17 2008-11-17 Sposób i urządzenie do sortowania produktów
DK08447046.7T DK2186576T3 (en) 2008-11-17 2008-11-17 Process and device for sorting products
EP08447046.7A EP2186576B1 (fr) 2008-11-17 2008-11-17 Procédé et dispositif de tri de produits
HUE08447046A HUE026738T2 (en) 2008-11-17 2008-11-17 Process and equipment for sorting products

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08447046.7A EP2186576B1 (fr) 2008-11-17 2008-11-17 Procédé et dispositif de tri de produits

Publications (2)

Publication Number Publication Date
EP2186576A1 true EP2186576A1 (fr) 2010-05-19
EP2186576B1 EP2186576B1 (fr) 2015-08-12

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ID=40577853

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08447046.7A Active EP2186576B1 (fr) 2008-11-17 2008-11-17 Procédé et dispositif de tri de produits

Country Status (5)

Country Link
EP (1) EP2186576B1 (fr)
DK (1) DK2186576T3 (fr)
ES (1) ES2554532T3 (fr)
HU (1) HUE026738T2 (fr)
PL (1) PL2186576T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103752528A (zh) * 2014-01-17 2014-04-30 刘德君 坚果仁分选机
CN107985919A (zh) * 2017-11-27 2018-05-04 重庆市永川区红石建材有限公司 一种带清理功能的输送机

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3773172A (en) * 1972-03-21 1973-11-20 Research Corp Blueberry sorter
US4634881A (en) 1982-11-09 1987-01-06 Supernova Systems, Inc. Apparatus for detecting impurities in translucent bodies
US4723659A (en) 1985-06-28 1988-02-09 Supernova Systems, Inc. Apparatus for detecting impurities in translucent bodies
JP2002323450A (ja) * 2001-02-23 2002-11-08 Techno Polymer Co Ltd 識別装置
WO2008041124A1 (fr) * 2006-10-06 2008-04-10 Sacmi Cooperativa Meccanici Imola Societa' Cooperativa Procédé et dispositif d'inspection de la qualité de fruits et légumes
WO2008124925A1 (fr) * 2007-04-12 2008-10-23 University Of Manitoba Procédé de détection du fusarium

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3773172A (en) * 1972-03-21 1973-11-20 Research Corp Blueberry sorter
US4634881A (en) 1982-11-09 1987-01-06 Supernova Systems, Inc. Apparatus for detecting impurities in translucent bodies
US4723659A (en) 1985-06-28 1988-02-09 Supernova Systems, Inc. Apparatus for detecting impurities in translucent bodies
JP2002323450A (ja) * 2001-02-23 2002-11-08 Techno Polymer Co Ltd 識別装置
WO2008041124A1 (fr) * 2006-10-06 2008-04-10 Sacmi Cooperativa Meccanici Imola Societa' Cooperativa Procédé et dispositif d'inspection de la qualité de fruits et légumes
WO2008124925A1 (fr) * 2007-04-12 2008-10-23 University Of Manitoba Procédé de détection du fusarium

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PELLETIER M J ET AL: "FLUORESCENCE SORTING INSTRUMENT FOR THE REMOVAL OF AFLATOXIN FROM LARGE NUMBERS OF PEANUTS", REVIEW OF SCIENTIFIC INSTRUMENTS, AIP, MELVILLE, NY, US, vol. 62, no. 8, 1 August 1991 (1991-08-01), pages 1926 - 1931, XP000260772, ISSN: 0034-6748 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103752528A (zh) * 2014-01-17 2014-04-30 刘德君 坚果仁分选机
CN107985919A (zh) * 2017-11-27 2018-05-04 重庆市永川区红石建材有限公司 一种带清理功能的输送机
CN107985919B (zh) * 2017-11-27 2019-11-05 重庆市永川区红石建材有限公司 一种带清理功能的输送机

Also Published As

Publication number Publication date
PL2186576T4 (pl) 2016-03-31
DK2186576T3 (en) 2015-11-23
EP2186576B1 (fr) 2015-08-12
HUE026738T2 (en) 2016-07-28
PL2186576T3 (pl) 2016-03-31
ES2554532T3 (es) 2015-12-21

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