EP3520631B1 - Procédé et appareil d'inspection des extrémités de segments en forme de tige de l'industrie du tabac - Google Patents

Procédé et appareil d'inspection des extrémités de segments en forme de tige de l'industrie du tabac Download PDF

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Publication number
EP3520631B1
EP3520631B1 EP19154551.6A EP19154551A EP3520631B1 EP 3520631 B1 EP3520631 B1 EP 3520631B1 EP 19154551 A EP19154551 A EP 19154551A EP 3520631 B1 EP3520631 B1 EP 3520631B1
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Prior art keywords
capturing
segments
segment
image
drum
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EP19154551.6A
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German (de)
English (en)
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EP3520631A1 (fr
Inventor
Marco Esposti
Giuliano Gamberini
Luca Federici
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GD SpA
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GD SpA
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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/32—Separating, ordering, counting or examining cigarettes; Regulating the feeding of tobacco according to rod or cigarette condition
    • A24C5/34—Examining cigarettes or the rod, e.g. for regulating the feeding of tobacco; Removing defective cigarettes
    • A24C5/3412—Examining cigarettes or the rod, e.g. for regulating the feeding of tobacco; Removing defective cigarettes by means of light, radiation or electrostatic fields
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0295—Process control means

Definitions

  • This invention relates to a method and an apparatus for inspecting the ends of rod-shaped segments of the tobacco industry.
  • the invention is applicable in particular in the production of articles comprising an active portion designed to release an inhalable substance - for example, smoking articles (cigarettes).
  • cigarette is used generally to denote any rod-shaped article comprising at least a filter, an active portion, designed to release an inhalable substance, and a connecting strip for connecting the active portion and the filter to each other.
  • the cigarette may, for example, be a traditional cigarette which can be smoked by burning the end of the active portion, or it may be an electronic cigarette which may be smoked by heating but not burning the active portion.
  • the active portion may comprise at least one cigarette segment comprising tobacco of the traditional type or at least one segment defining an aerosol-generating element, that is, a product containing a heat-not-burn type tobacco.
  • the tobacco may be, for example, pre-treated, reconstituted, homogenised or cast-leaf tobacco.
  • the segments are made by cutting continuous rods of the tobacco industry material into pieces whose length is a multiple of the length of the segments that will form part of the smoking articles.
  • the pieces of rod are fed to specific combining and spacing rollers which act in conjunction with suitable cutting devices to make segments of the required length which can be combined with each other in predetermined sequences according to known technology.
  • the device comprises a camera, wherein the camera is arranged to record simultaneously at least one image of at least two rod-shaped articles, wherein for each image in each case one beam path of the respective rod-shaped article to the camera via at least one first reflective optical device is provided.
  • the technical purpose which forms the basis of this invention is to propose a method and an apparatus for inspecting the ends of rod-shaped segments of the tobacco industry to overcome one or more of the above mentioned drawbacks of the prior art.
  • this invention has for an aim to provide an efficient method for inspecting the ends of rod-shaped segments of the tobacco industry to improve the quality of the articles to be made by preventing unsuitable segments from being included in the articles.
  • Another aim of this invention is to provide an apparatus for inspecting the ends of rod-shaped segments of the tobacco industry allowing the ends of the segments to be inspected in-process, during the production of the article.
  • this invention provides a method for inspecting the ends of rod-shaped articles of the tobacco industry according to claim 1.
  • Interposing the capturing means at least partly between the pair of segments thus makes it possible to capture images of the inner ends of the two segments in order to inspect them.
  • Capturing the images of the inner ends allows checking the quality of the inner ends and, if necessary, a command is issued to reject the inner ends that do not conform with predetermined conditions of acceptability.
  • the invention also provides an apparatus for inspecting the ends of rod-shaped articles of the tobacco industry according to claim 7.
  • the capturing means at least partly interposed between the segments, it is thus possible to inspect the inner ends of the segments, thereby improving the efficiency of the production process.
  • the numeral 1 denotes in its entirety an apparatus for inspecting the ends of rod-shaped segments of the tobacco industry, hereinafter referred to simply as "apparatus 1".
  • rod-shaped segments as used herein generically denotes any elongate, typically cylindrical segment.
  • the apparatus 1 comprises a rotary drum 2, rotating about an axis of rotation X and provided with a plurality of successive peripheral flutes 3, each peripheral flute 3 being adapted to receive and hold a respective pair 100 of rod-shaped segments of the tobacco industry.
  • each pair 100 of segments 101, 102 is disposed inside a respective peripheral flute 3, as illustrated in the accompanying drawings.
  • the peripheral flutes 3 are provided with suction holes, not illustrated in the accompanying drawings, configured to hold the pairs of segments 100 by suction while the drum 2 rotates about its axis of rotation X.
  • Each pair 100 comprises a first and a second segment 101, 102 disposed coaxially and able to be axially spaced from each other.
  • Each pair 100 may also comprise a first and a second segment 101, 102 disposed coaxially and already axially spaced from each other.
  • the invention is, however, also applicable to multisegment rods comprising more than two segments.
  • the apparatus 1 also comprises capturing means 4 for capturing images of inner ends 101a, 102a of the first and second segments 101, 102 - that is to say, inner ends 101a, 102a which are disposed to face each other.
  • the image capturing means 4 are at least partly interposed between the segments 101, 102 of the pair of segments 100.
  • the apparatus 1 allows inspecting the substantially plane, circular inner end surface of each segment 101, 102.
  • the capturing means 4 are fixed relative to the rotation of the drum 2. Therefore, the capturing means are disposed in such a way as to be at least partly inserted between the segments 101, 102, so that during rotation of the drum 2 it is possible to capture images of the inner ends 101a, 102a moving one after the other past the capturing means 4, as will become clearer as this description continues.
  • the drum 2 places the segments 101, 102 in at least one station S for imaging their inner ends 101a, 102a in such a way that the capturing means 4 are at least partly interposed between the ends 101a, 102a.
  • the apparatus 1 preferably also comprises a control and drive unit 5 connected to the capturing means 4 and configured to receive the images captured by the capturing means 4 in order to inspect the inner ends 101a, 102a of the segments 101, 102.
  • a control and drive unit 5 connected to the capturing means 4 and configured to receive the images captured by the capturing means 4 in order to inspect the inner ends 101a, 102a of the segments 101, 102.
  • the unit 5 can be advantageously configured to check whether the images captured conform with predetermined acceptability criteria, for example by comparing the captured images with reference images.
  • the unit 5 may be configured to issue a command for activating a rejection station, not illustrated in the accompanying drawings, located downstream of the drum 2, where the non-conforming segments 101, 102 (detected as a result of the inspection carried out by the unit 5) can be rejected to prevent them from being used to make smoking articles.
  • a rejection station not illustrated in the accompanying drawings, located downstream of the drum 2, where the non-conforming segments 101, 102 (detected as a result of the inspection carried out by the unit 5) can be rejected to prevent them from being used to make smoking articles.
  • the capturing means 4 comprise at least one reflective element 6, disposed between the segments 101, 102 of the pair 100, and at least one capturing device 7 disposed externally of the drum 2 and configured to capture at least one image of the inner end 101a, 102a of the first segment and/or the second segment 101, 102 reflected by the reflective element 6.
  • the reflective element 6 allows reflecting the image of the inner end 101a, 102a, thus diverting the sight range between the inner end 101a, 102a and the lens of the capturing device, towards a capturing device 7 advantageously located on the outside of the drum 2 in a zone where it can be easily placed.
  • the reflective elements 6 which may be small enough to be easily interposed between the segments 101, 102 it is not necessary to interpose the capturing device 7 (which is often large compared to the space available or obtainable between the two segments 101, 102) between the two segments 101, 102.
  • the segments 101, 102 of the pair 100 are spaced apart by a distance equal to the length of an additional segment, not illustrated, which must be placed between the two segments 101, 102 at a later stage, it is possible to use a reflective element 6 whose size is such that it can be easily interposed between the segments 101, 102 so that the inner ends 101a, 102a can be inspected without having, for example, to space the segments 101, 102 further apart for the sole purpose of capturing images of them.
  • Figure 1 shows only one reflective element 6 and only one capturing device 7 for capturing, for example, the inner end 102a of the second segment 102.
  • the reflective element 6 therefore, all that is necessary is for the image of the ends 101a, 102a to be reflected in such way that it can be captured by a capturing device 7.
  • the reflective element 6 is mounted on the capturing device 7 or on a supporting structure 7' of the capturing device 7.
  • the reflective element 6 may preferably also comprise at least one reflective surface 6a lying in a reflecting plane which is inclined relative to the inner end 101a, 102a of the first or second segment 101, 102 at an inclination angle ⁇ of between 120° and 150°, preferably equal to 135°.
  • the capturing means 4 comprise a first reflective element 6' (illustrated in Figures 3A and 4B ) configured to reflect a first image of the inner end 101a of the first segment 101 and a second reflective element 6" (illustrated in Figures 3B and 4C ) configured to reflect a second image of the inner end 102a of the second segment 102, where the second reflective element 6" is disposed downstream of the first reflective element 6' in the rotation direction Y of the drum 2.
  • the drum 2 places the segments 101, 102 in a first station S1 for imaging the inner end 101a of the first segment 101 and then, in a second station S2 for imaging the inner end 102a of the second segment 102, as schematically illustrated in Figure 5 .
  • the reference characters F1 and F2 in the drawings schematically indicate the reflected projections of the inner ends 101a, 102a of the two segments 101, 102 on the reflective surfaces 6a', 6a" of the reflective elements 6', 6".
  • the reflective element 6 may be in the form of a double reflective element, that is to say, a reflective element having a first reflective surface 6a' lying in a reflecting plane that is inclined at an angle to the inner end 101a of the first segment 101, and a second reflective surface 6a" lying in a reflecting plane that is inclined at an angle to the inner end 102a of the second segment 102, where the reflective surfaces 6a', 6a" are opposite to each other.
  • the first and second reflective elements 6', 6" can be positioned in such a way that they are juxtaposed and opposite to each other.
  • the drum 2 is configured in such a way that, as it rotates, it places the segments 101, 102 in a single imaging station S3, provided with the double reflective element 6, where the inner ends 101a, 102a of the segments 101, 102 of the pair 100 are imaged simultaneously by at least one capturing device 7.
  • the capturing means 4 may also comprise a first capturing device 7A (as illustrated in Figures 3A and 4B ) configured to capture the first image of the inner end 101a of the first segment 101, reflected by the first reflective element 6', and a second capturing device 7b (as illustrated in Figures 3B and 4C ) configured to capture a second image of the inner end 102a of the second segment 102, reflected by the second reflective element 6".
  • a first capturing device 7A as illustrated in Figures 3A and 4B
  • a second capturing device 7b as illustrated in Figures 3B and 4C
  • a single capturing device 7 configured to capture both of the images of the inner ends 101a, 102a, for example, using further reflective elements, not illustrated in the accompanying drawings, configured to redirect the reflected images towards the capturing device 7, or by capturing the images from the double reflective element 6 of the type described above and processing the captured images with software capable of rectifying them.
  • the capturing means 4 provide:
  • the apparatus 1 of the first embodiment ( Figures 3A-4B ) and of the second embodiment ( Figures 4A-4C ) comprises further capturing devices 8a, 8b configured to image the outer ends 101b, 102b of the segments 101, 102 of each pair 100.
  • a first further capturing device 8a is configured to capture a first image of the outer end 101b of the first segment 101 simultaneously with the capturing of a first image of the inner end 101a of the self same segment 101 ( Figure 3A ), while a second further capturing device 8b is configured to capture a second image of the outer end 102b of the second segment 102 simultaneously with the capturing of a second image of the inner end 102a of the self same segment 102 ( Figure 3B ).
  • the images of the inner ends 101a, 102a may be captured in succession one after the other (see Figure 4B for one, and Figure 4C for the other) and both of them after capturing the images of the outer ends 101b, 102b (see Figure 4A ).
  • capturing at least one image of the outer end 101b, 102b of the first or second segment 101, 102 is preferably carried out simultaneously with, or after, the step of capturing the image of the inner end 101a, 102a of the self same segment 101, 102.
  • the apparatus 1 preferably also comprises cutting means, not illustrated in the accompanying drawings, configured to cut a plurality of multiple segments into the plurality of pairs 100 of segments 101, 102.
  • the drum 2 is preferably adapted to receive the plurality of multiple segments, not illustrated in the accompanying drawings, in the peripheral flutes 3 and the cutting means are configured to cut the plurality of multiple segments into the plurality of pairs 100 of segments 101, 102 in the peripheral flutes 3.
  • the multiple segments can be fed to a further drum, not illustrated, located upstream, on which they are cut by the cutting means, and only after being cut by the cutting means is the pair 100 of segments 101, 102 thus formed transferred to the drum 2.
  • the drum 2 is configured as a spacing drum of the tobacco industry, so the peripheral flutes 3 are defined at least partly by housing portions 3a (shown in Figure 2 ) along a direction parallel to the axis of rotation X of the drum 2 and configured to move the first and second segments 101, 102 of each pair 100 axially apart in such a way as to dispose them at a first distance from each other such as to allow capturing the images of the inner ends 101a, 102a of the first and second segment 101, 102 of each pair 100.
  • the movable housing portions 3a allow the drum 2 to receive pairs 100 of segments 101, 102 just cut (and thus placed in abutment along their inner ends 101a, 102a) and to move the segments 101, 102 apart to allow their inner ends 101a, 102a. to be imaged.
  • this invention also provides a method for inspecting the ends 101a, 101b, 102a, 102b of rod-shaped segments 101, 102 of the tobacco industry; more specifically, the apparatus 1 implements the method of this invention.
  • the method comprises the step of feeding the plurality of pairs 100 of segments 101, 102 disposed coaxially and able to be axially spaced from each other in the respective peripheral flutes 3 of the rotary drum 2.
  • the method then comprises a step of capturing images of inner ends 101a, 102a of the first and second segments 101, 102, where the step of capturing is carried out by the capturing means 4 which are at least partly interposed between the two segments 101, 102, or rather, between the inner ends 101a, 102a which are disposed to face each other.
  • the step of capturing is accomplished by capturing with at least one capturing device 7 at least one image F1, F2 reflected by at least one reflective element 6.
  • the step of feeding the plurality of pairs 100 also comprises the following steps:
  • the provision of movable housing flutes 3a makes it possible to move the segments 101, 102 apart to allow capturing the images of their inner ends 101a, 102a.
  • the two segments 101, 102 of each pair 100 are moved apart in an axial direction until spaced by a second distance suitable for receiving at least one further segment, not illustrated, between the two segments of the pair 100.
  • the second distance value is greater than the first distance value.
  • the step of image capturing comprises a first sub-step of capturing a first image of the inner end 101a of the first segment 101 and a second sub-step of capturing a second image of the inner end 102a of the second segment 102, where the second sub-step is carried out downstream of the first sub-step in the direction of rotation of the drum 2.
  • the method also comprises a step of capturing at least one image of the outer end 101b, 102b of the first or second segment 101, 102 of each pair 100.
  • This step may be carried out by simply capturing the images of the outer ends 101b, 102b at the front and rear ends of the peripheral flutes 3, as illustrated in Figures 3A, 3B , 4A , for example using the further image capturing devices 8a, 8b.
  • the step of capturing the images of the outer ends 101b, 102b, as illustrated in Figure 4A may be accomplished on the further drum located upstream of the drum 2, and still more preferably, before the multiple segment is cut into the two segments 101, 102 of the pair 100.
  • the step of capturing at least one image of the outer end 101b, 102b is carried out simultaneously with the step of capturing the image of the inner end 101a, 102a of the self same segment 101, 102.
  • This invention achieves the preset aims, overcoming the disadvantages of the prior art, by providing an apparatus and a method for inspecting the ends of rod-shaped segments of the tobacco industry, improving the quality of the end product by ensuring that the segments making up the article are precisely inspected before they are combined and wrapped in the connecting strips.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)

Claims (16)

  1. Procédé d'inspection des extrémités de segments en forme de tige de l'industrie du tabac, comprenant les étapes de :
    - alimenter une pluralité de paires (100) de segments en forme de tige (101, 102) de l'industrie du tabac dans des cannelures périphériques (3) successives respectives d'un tambour rotatif (2), chaque paire (100) comprenant un premier et un second segment (101, 102) disposés coaxialement et pouvant être espacés axialement l'un de l'autre ;
    - capturer des images des extrémités intérieures (101a, 102a) des premier et second segments (101, 102), les extrémités intérieures (101a, 102a) étant disposées de manière à se faire face ; dans lequel l'étape de capture est effectuée par des moyens de capture (4) étant au moins partiellement interposés entre les deux segments (101, 102) de la paire (100) à inspecter,
    caractérisé en ce que l'étape de capture d'image comprend une première sous-étape de capture d'une première image de l'extrémité intérieure (101a) du premier segment (101) et une seconde sous-étape de capture d'une seconde image de l'extrémité intérieure (102a) du second segment (102), et dans lequel la seconde sous-étape est effectuée en aval de la première sous-étape dans le sens de rotation du tambour (2).
  2. Procédé selon la revendication 1, dans lequel les moyens de capture (4) comprennent au moins un élément réfléchissant (6), disposé entre les segments (101, 102), et au moins un dispositif de capture (7) disposé à l'extérieur du tambour (2) et configuré pour capturer au moins une image de l'extrémité intérieure (101a, 102a) du premier segment et/ou du second segment (101, 102), l'étape consistant à capturer l'au moins une image étant effectuée en capturant, par l'intermédiaire de l'au moins un dispositif de capture (7), au moins une image de l'extrémité intérieure (101a, 102a) réfléchie par l'au moins un élément réfléchissant (6).
  3. Procédé selon la revendication 1 ou 2, dans lequel l'étape consistant à alimenter la pluralité de paires (100) comprend les étapes de :
    - disposer les paires (100) dans des cannelures périphériques (3) respectives du tambour (2) de manière à que les deux segments (101, 102) de chaque paire (100) soient substantiellement en contact mutuel, les deux segments (101, 102) étant obtenus de préférence en coupant un segment multiple alimenté au tambour (2) ;
    - déplacer les deux segments (101, 102) de chaque paire (100) axialement l'un de l'autre jusqu'à ce qu'ils soient espacés par une première distance appropriée pour permettre l'exécution de la capture d'image.
  4. Procédé selon la revendication 3, dans lequel, après l'étape de capture d'image, les deux segments (101, 102) de chaque paire (100) sont déplacés l'un de l'autre dans une direction axiale jusqu'à ce qu'ils soient espacés par une seconde distance appropriée pour recevoir au moins un segment supplémentaire entre les deux segments (101, 102) de la paire (100).
  5. Procédé selon une ou plusieurs des revendications précédentes, comprenant de plus une étape consistant à capturer au moins une image de l'extrémité extérieure (101b, 102b) du premier ou du second segment (101, 102) de chaque paire (100), l'étape consistant à capturer au moins une image de l'extrémité extérieure (101b, 102b) du premier ou du second segment (101, 102) étant de préférence effectuée simultanément à, ou après, l'étape consistant à capturer l'image de l'extrémité intérieure (101a, 102a) du même segment (101, 102).
  6. Procédé selon une ou plusieurs des revendications précédentes, dans lequel les moyens de capture (4) sont situés à une position fixe.
  7. Appareil (1) d'inspection des extrémités des segments en forme de tige de l'industrie du tabac, comprenant :
    - un tambour rotatif (2) pourvu d'une pluralité de cannelures périphériques (3) successives, chaque cannelure périphérique (3) étant adaptée pour recevoir une paire respective (100) de segments en forme de tige (101, 102) de l'industrie du tabac comprenant un premier et un second segment (101, 102) disposés coaxialement et pouvant être espacés axialement l'un de l'autre ;
    - des moyens de capture (4) servant à capturer des images des extrémités intérieures (101a, 102a) des premier et second segments (101, 102), les extrémités intérieures (101a, 102a) étant disposées de manière à se faire face ;
    dans lequel les moyens de capture (4) d'images sont au moins partiellement interposés entre les deux segments (101, 102) de la paire (100) ;
    dans lequel les moyens de capture (4) comprennent au moins un élément réfléchissant (6), disposé entre les segments (101, 102), et au moins un dispositif de capture (7) disposé à l'extérieur du tambour (2) et configuré pour capturer au moins une image de l'extrémité intérieure (101a, 102a) du premier segment et/ou du second segment (101, 102) réfléchie par l'au moins un élément réfléchissant (6) ;
    ledit appareil étant caractérisé en ce que les moyens de capture (4) comprennent un premier élément réfléchissant (6') configuré pour réfléchir une première image (F1) de l'extrémité intérieure (101a) du premier segment (101) et un second élément réfléchissant (6") configuré pour réfléchir une seconde image (F2) de l'extrémité intérieure (102a) du second segment (102), dans lequel le second élément réfléchissant (6") est disposé en aval du premier élément réfléchissant (6') dans le sens de rotation du tambour (2).
  8. Appareil (1) selon la revendication 7, dans lequel les moyens de capture (4) sont fixes par rapport à la rotation du tambour (2).
  9. Appareil selon la revendication 7 ou 8, comprenant une unité de commande et d'entraînement (5) reliée aux moyens de capture (4) et configurée pour recevoir les images capturées par les moyens de capture (4) pour inspecter les extrémités intérieures (101a, 102a) des segments (101, 102).
  10. Appareil (1) selon une ou plusieurs des revendications 7-9, dans lequel l'au moins un élément réfléchissant (6) comprend au moins une surface réfléchissante (6a) reposant dans un plan réfléchissant étant incliné par rapport à l'extrémité intérieure (101a, 102a) du premier ou du second segment (101, 102) selon un angle d'inclinaison (α) compris entre 120 et 150°, de préférence égal à 135°.
  11. Appareil (1) selon une ou plusieurs des revendications 7-10, dans lequel les moyens de capture (4) comprennent un premier dispositif de capture (7a) configuré pour capturer la première image (F1) de l'extrémité intérieure (101a) du premier segment (101) réfléchie par le premier élément réfléchissant (6'), et un second dispositif de capture (7b) configuré pour capturer une seconde image (F2) de l'extrémité intérieure (102a) du second segment (102) réfléchie par le second élément réfléchissant (6").
  12. Appareil (1) selon la revendication 10 ou 11, dans lequel l'au moins un élément réfléchissant (6, 6', 6") est monté sur l'au moins un dispositif de capture (7, 7a, 7b) ou sur une structure de support (7') de l'au moins un dispositif de capture (7, 7a, 7b).
  13. Appareil (1) selon une ou plusieurs des revendications 7-12, dans lequel le tambour (2) est configuré comme un tambour d'espacement de l'industrie du tabac et dans lequel les cannelures périphériques (3) sont définies au moins partiellement par des parties de logement (3a) étant mobiles le long d'une direction parallèle à l'axe de rotation (X) du tambour (2) et configurées pour déplacer les premier et second segments (101, 102) de chaque paire (100) de segments (101, 102) axialement l'un de l'autre de manière à les disposer à une première distance l'un de l'autre afin de permettre la capture des images des extrémités intérieures (101a, 102a) du premier et du second segment (101, 102) de chaque paire (100).
  14. Appareil (1) selon une ou plusieurs des revendications 13, comprenant des moyens de coupe configurés pour couper une pluralité de segments multiples dans la pluralité de paires (100) de segments (101, 102).
  15. Appareil (1) selon la revendication 14, dans lequel le tambour (2) est adapté pour recevoir la pluralité de segments multiples dans les cannelures périphériques (3) et dans lequel les moyens de coupe sont configurés pour couper la pluralité de segments multiples dans la pluralité de paires (100) de segments (101, 102) dans les cannelures périphériques (3).
  16. Appareil (1) selon une ou plusieurs des revendications 7-15, comprenant des dispositifs de capture (8a, 8b) supplémentaires configurés pour capturer des images des extrémités extérieures (101b, 102b) des segments (101, 102) de chaque paire (100), dans lequel un premier dispositif de capture (8a) supplémentaire est configuré pour capturer une première image de l'extrémité extérieure (101b) du premier segment (101) simultanément à la capture d'une première image de l'extrémité intérieure (101a) du même segment (101), et dans lequel un second dispositif de capture (8b) supplémentaire est configuré pour capturer une seconde image de l'extrémité extérieure (102b) du second segment (102) simultanément à, ou après, la capture d'une seconde image de l'extrémité intérieure (102a) du même segment (102).
EP19154551.6A 2018-01-31 2019-01-30 Procédé et appareil d'inspection des extrémités de segments en forme de tige de l'industrie du tabac Active EP3520631B1 (fr)

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PL19154551T PL3520631T3 (pl) 2018-01-31 2019-01-30 Sposób i urządzenie do kontroli końcówek segmentów w kształcie rdzenia w przemyśle tytoniowym

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