EP2859802A1 - Dispositif et procédé de transport et de tri d'articles à fumer - Google Patents

Dispositif et procédé de transport et de tri d'articles à fumer Download PDF

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Publication number
EP2859802A1
EP2859802A1 EP20130188239 EP13188239A EP2859802A1 EP 2859802 A1 EP2859802 A1 EP 2859802A1 EP 20130188239 EP20130188239 EP 20130188239 EP 13188239 A EP13188239 A EP 13188239A EP 2859802 A1 EP2859802 A1 EP 2859802A1
Authority
EP
European Patent Office
Prior art keywords
opening
conveying
smoking articles
recesses
length
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
EP20130188239
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German (de)
English (en)
Other versions
EP2859802B1 (fr
Inventor
Alexander Sachse
Hartmut Werner
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.)
Kohl Maschinenbau AG
Original Assignee
Kohl Maschinenbau AG
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 Kohl Maschinenbau AG filed Critical Kohl Maschinenbau AG
Priority to EP13188239.1A priority Critical patent/EP2859802B1/fr
Publication of EP2859802A1 publication Critical patent/EP2859802A1/fr
Application granted granted Critical
Publication of EP2859802B1 publication Critical patent/EP2859802B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B13/00Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
    • B07B13/04Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices according to size
    • B07B13/07Apparatus in which aggregates or articles are moved along or past openings which increase in size in the direction of movement
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24CMACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/36Removing papers or other parts from defective cigarettes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07CPOSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00Sorting 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
    • B07C5/04Sorting according to size
    • B07C5/06Sorting according to size measured mechanically
    • B07C5/065Sorting according to size measured mechanically with multiple measuring appliances adjusted according to different standards, for example length or thickness, which detect the shape of an object so that if it conforms to the standard set by the measuring appliance, it is removed from the conveyor, e.g. by means of a number of differently calibrated openings

Definitions

  • the invention relates to an apparatus and a method for sorting conveyed smoking articles.
  • Smoking articles are understood in particular to be cigarettes, cigarillos with or without filters and filters themselves. When producing cigarettes, it is the rule that smokers who are functionally unusable and do not meet the required high standard of quality are rejected as rejects.
  • the rejects are usually collected unsorted in larger containers. Of these, a large proportion of smoking articles, usually more than 85%, can be recycled. For example, in recovery devices, the more valuable tobacco and / or filter parts compared to the paper wrapper can be recovered. In particular, there is the problem that reject cigarettes, which in their external form correspond to intact smoking articles and can or should be recycled, must be separated from non-recyclable rejects before they can be fed to the recovery device.
  • the reusable reject cigarettes are usually disorderly in bulk in storage tanks, which brings additional handling problems in the supply of the individual reject cigarette in the recovery device with it.
  • the device comprises a conveying device for moving a plurality of smoking articles along a process path.
  • the first conveying device has a plurality of recesses which are arranged parallel to the conveying direction in order to receive smoking articles in the conveying direction.
  • the device comprises a support device for carrying the smoking articles received in the recesses, wherein the conveying device is movable with respect to the support device.
  • the support device has a sorting table with at least one first opening, wherein the length of the first opening in the conveying direction defines a first limit length of a smoking article such that the smoking article is tiltable from its substantially horizontal position about an opening edge into the first opening when the Length of the smoking article is shorter than the first opening corresponding first limit length.
  • a limit length can be defined simply by the appropriate choice of the opening length, wherein all smoking articles which are smaller than this limit length, are discharged downwards from the process section by means of tilting. Below the sorting table, the thus sorted smoking articles can be collected in a collecting device.
  • a first limit length for example, a length can be selected which is shorter than a conventional filter cigarette to be able to sort out smoking articles such as loose filters.
  • the opening edge which is oriented transversely to the conveying direction, has at least a length which corresponds to the diameter of the rod-shaped smoking article.
  • the smoking article can tilt freely around the opening edge.
  • gravity is used, since a recorded in the recording smoking article tilts from the horizontal starting position when a sufficient length of the smoking article has been promoted over the edge of the first opening.
  • tilting is effected when the weight of the smoking article conveyed through the opening is greater than the weight still supported by the sorting table.
  • the opening edge of the first opening of the sorting table acts as a fulcrum around which the smoking article can tilt.
  • the distance between the free smoking article end and the lever support determines the lever arm.
  • the length of a smoking article is longer than the limit length value corresponding to the first opening, tilting is not possible because the lever arm exposed through the opening is not long enough to permit tilting.
  • longer smoking articles the are longer than the limit length, be further promoted on the process route in the recesses in the horizontal position to a further opening and / or the end of the sorting table.
  • the shorter smoking articles sorted out through the first opening may be collected separately from the remaining smoking articles in a collection device.
  • the recesses of the conveyor device are arranged one behind the other in the conveying direction and have a longitudinal extent that a smoking article of a standard length is receivable.
  • the standard length corresponds to the length of a conventional filter cigarette.
  • the conveyor device has a plurality of successively arranged rows of recesses which are arranged transversely to the conveying direction.
  • a surface for receiving and sorting the smoking article is formed. Due to the multiplicity of recesses arranged next to one another, a plurality of smoking articles can be picked up at the same time and sorted with the aid of the at least first opening.
  • the surface formed by the conveyor device can serve as a receiving area, in which continuously or intermittently loose beds of cigarette board can be abandoned.
  • a preferred embodiment of the device has a conveyor belt as an endless belt which is guided around deflection rollers.
  • An embodiment as an endless belt is easily accessible and low in maintenance.
  • the support device is arranged below an upper run of the conveyor.
  • the conveyor is not limited to a horizontal conveying movement over the sorting table. In this way, when a deflection roller at the end of the sorting table on the conveyor device remains or is not received in the recesses, smoking articles such as material that is too long can be easily separated and collected.
  • the endless belt is designed as a webbing, which is guided over at least one drive roller and pulleys.
  • the conveying device is designed as a segmented endless belt of lined transport plates.
  • the transport plates are connected via connecting joints on their longitudinal sides so that they form a segmented and at the same time flexible surface. It is expedient if each transport plate has a number of recesses.
  • the support device has a sliding surface for receiving the smoking article in the recesses, which is arranged to the sorting table in an inclination obliquely upward and / or vertically.
  • a loose bed of cigarette scrap can be moved into the recesses. Due to the oblique and / or vertical inclination of the support device, a substantially J-shaped process path course can be realized.
  • the oblique sliding surface is chosen so that not included in the recesses smoking article due to gravity perform a sliding movement opposite to the conveying direction. In this sliding movement, the smoking articles can be aligned with the recesses and slide into them. Smoking articles that do not get into the recesses in this way slip back to the beginning of the process line. During the conveying operation, this sliding movement is repeated automatically until all smoking articles that fit in the recesses have been picked up.
  • the conveyor device on alignment, which are arranged parallel to the conveying direction for improved uptake of the smoking article in the recesses.
  • the alignment means in the form of sheets or the like assist the sliding of the smoking articles into the recesses.
  • the alignment means are arranged at least on one longitudinal side of a recess and preferably perpendicular to the conveying plane. With a series of recesses transverse to the conveying direction, it is advantageous not to arrange the alignment means between all the recesses, but to distribute them regularly over the width of the conveying device. In this way, the smokers can be aligned during transport over an inclined and / or vertical sliding surface when sliding back. If smoking articles are longer than the selected distance of the alignment means, slipping back in the sliding surface is usually only possible if the smoking articles are parallel to the conveying direction. Non-slipped long smoking articles may jangle or become caught between the alignment means, thereby promoting in part vertical sliding surface to the sorting table. At the end of the sorting table these long smoking articles can be collected separately.
  • the at least first opening of the sorting table has a multiplicity of oblong holes in one or more rows transversely to the conveying direction.
  • the slots of the first opening are formed as slots or square holes.
  • the elongated holes have a predetermined length in the conveying direction, so that smoking articles smaller than a limit length can tilt into these holes over the short opening edge.
  • the slots are at least as wide as the diameter of the rod-shaped smoking article formed.
  • the sides of the slots are aligned with the sides of the recesses of the conveyor to assist in tilting along the longitudinal axis.
  • the sorting table has a second opening with a second length in the conveying direction.
  • the second opening is formed longer than the first opening to dissipate smoking article smaller than a second limit length.
  • the smoking articles can be sorted according to their length and included below the sorting table in separate collection containers. If a smoking article of a standard length is selected as the second limit length, externally intact smoking articles such as filter cigarettes can be removed from the process section in this way.
  • the sorting table has at at least one opening outlet a discharge line with guide elements.
  • the smoking articles already aligned in the recesses can be maintained in alignment with suitable discharge lines after the tilting operation and fed to a recovery device in a further method step.
  • suitable discharge lines after tilting, smoking articles may be discharged aligned through the second opening and subsequently transported to a collection device or recovery device.
  • the discharge line is preferably designed as a chute with parallel ribs as guide elements.
  • the discharge line is expediently arranged downstream of a further conveying device whose conveying speed can be regulated as a function of the conveying speed of the upstream conveying device.
  • a combination of discharge line and a conveyor for the sorted individually and aligned from the process line coming smoking articles can be selectively fed to a downstream recovery device.
  • qualified smoking articles are directed via a chute into a conveying device designed as a transverse conveying channel.
  • the sorted smoking articles may be fed to a collection or recovery device intermittently or continuously arranged longitudinally parallel to one another.
  • the conveying speed of the downstream conveying device for sorting goods can be matched with the conveying speed of the upstream sorting conveyor device.
  • the support device at the beginning of the linear process section on a receiving area for receiving smoking articles.
  • This receiving area is preferably arranged substantially horizontally and / or slightly inclined.
  • the preferably substantially horizontally formed receiving area is suitable for receiving a larger amount of loose bulk of smoking articles.
  • Smoking articles not received in the recesses can slide back into the receiving area by means of an oblique and / or vertical sliding surface.
  • the returned smoking articles can be re-promoted to the sliding surface along with a new product task.
  • the receiving area forms a buffer to intermediately store not yet aligned and stored smoking articles until they are stored in the recesses or transported due to excess length by means of alignment to the sorting table.
  • This buffer or receiving area is limited by the oblique to vertical sliding surface in the conveying direction.
  • lateral boundaries may be provided in the receiving area of the conveyor to prevent the smoking articles from falling off the conveyor. In this way, large volumes of loose smoking articles can be abandoned in batches, which can be automatically aligned and stored in the receptacles as a result of subsequently inclined process line guidance.
  • the devices expediently have collecting devices for the smoking articles removed from the process line.
  • Collection devices can be arranged to save space below the sorting table. Funnels may be provided via the collection devices to facilitate the collection of smoking articles become. Alternatively, the arrangement of discharge lines between the opening exit and a collecting container is possible.
  • a first collecting device collecting short smoking articles such as filters from the first opening of the sorting table. If the filters have valuable constituents, for example aroma balls, these collected filters can be sent for further recovery. If the collected smoking articles are not recyclable, they will not be processed further.
  • the movement of the conveyor with respect to the support device is chosen so slowly that the tilting into the first opening is determined solely by the length and the tilting axis of the smoking article.
  • a slow conveying speed of the upstream conveying device is also expedient for the alignment process by means of a sliding surface.
  • the sliding surface adjoining the receiving area allows for automatic alignment and storage of the smoking articles, so that no staff is required for storing the smoking articles in the recesses.
  • the receiving area can serve as a buffer area for excess material transported back from the sliding surface.
  • Fig. 1 shows a detailed view of an embodiment of a conveying device 20 according to the invention.
  • the conveying device 20 is preferably formed from a plurality of transport plates 25 which can be joined together.
  • Transport plate 25 shown by way of example has a plurality of recesses 21 which are arranged in a row parallel to the conveying direction X.
  • the longitudinal sides 23 and width 22 of the recesses 21 are dimensioned so that smoking articles 10 of a standard length and the usual diameter can be accommodated.
  • the Fig. 1 shows by way of example the inclusion of filter cigarettes 11, loose filter 15 and smoking article parts 14, which were received in the recesses 21.
  • a smoking article parts 14 exemplary incomplete cigarettes, which consist of tobacco rod 12 and paper wrapper 13.
  • alignment 27 For better absorption of the smoking article 10 in the recesses 21 are arranged at regular intervals on the long sides 23, preferably after every fourth recess 21, alignment 27 parallel to the conveying direction X.
  • These alignment means 27 are preferably formed as sheets with a sloped front edge based on a fin shape.
  • Fig. 2 is representative of a preferably formed as an endless belt conveyor 20, a single transport plate 25 shown.
  • the individual transport plate 25 shown can each be connected at their longitudinal sides with the aid of the connecting joints 26 with a structurally identical transport plate 25 to form a surface of joined transport plates 25 for sorting conveying (see Fig. 3 ).
  • the transport plate 25 is moved relative to a support device 30.
  • the conveying device 20 or the transport plate 25 is pulled over the support device 30.
  • the relative movement of the transport plate 25 with respect to the support device 30 is shown in simplified fashion by the arrows in the conveying direction X.
  • the support device 30 serves to support the smoking article 10 received in the recesses 21.
  • the support device 30 has a sorting area, which is designed as a sorting table 33.
  • a sorting table 33 In the sorting table 33, a plurality of openings 31, 32 of different lengths 34, 35 are arranged.
  • the openings 31 and 32 are formed as square holes, each having a short opening edge 36.
  • the length 34 of the first opening 31 is shorter than the length 35 of the second opening 32.
  • the illustrated embodiment of the sorting table 33 has per opening 31, 32 a plurality of slots in a row transverse to the conveying direction X.
  • the first opening 31 in the conveying direction X three rows, which are each arranged transversely to the conveying direction X. In this way, it is ensured that after passing through the first opening 31 in the recesses 21 only smoking article greater than or equal to a defined by the first opening 31 limit length to the second opening 32 are further transported.
  • the length 34 of the first opening 31 is formed so that too short or deformed smoking article 10 are sorted out. These include, for example, loose filter 15 or smoking article 14 such as incomplete cigarettes that do not exceed a defined by the first length 34 of the first opening limit length. This limit length may for example be half the length of a conventional filter cigarette 11, so that shorter filter 15 are discharged.
  • the smoking articles 10 conveyed on via the first opening 31 are discharged by means of gravity through the elongated holes of the second opening.
  • the length of the second opening 35 is preferably dimensioned such that smoking articles 10 of a standard length such as filter cigarettes 11 are removed.
  • the longitudinal sides 23 of the recesses 21 have approximately the length 35 of the second opening 32. In this way, all the smoking articles 10, which have been received in the recesses 21 and have passed the first opening 31, in the second opening 32 downwards dissipated. Only overlong smoking articles 16, which are larger than the recesses 21 of the conveyor 20 and could not be received in the recesses 21, are conveyed to the end 47 of the sorting table 33 for discarding. The overlong smoking article 16 deposited at the end 47 of the sorting table 33 and short smoking articles 10, such as filters 15, which have been removed from the process section in the first opening 31 can be collected separately.
  • Fig. 3 shows a perspective view of the in Fig. 2 shown device, wherein a plurality of transport plates 25 in front of the first opening 31 is shown as representative of an endless conveyor 20.
  • Fig. 3 additionally shows a discharge line 39 in the form of a chute, which is below the second opening 32 is arranged.
  • Discharge line 39 has guide elements 38, preferably in the form of ribs or guide plates, so that the tilted into the second opening 32 filter cigarettes 11 remain aligned in the conveying direction X.
  • the filtered by their length as intact filter cigarettes 11 slide aligned over the discharge line 39 in a further conveying device 49, which is preferably designed as a transverse conveyor channel with conveying direction Y.
  • the smoking articles 10 coming from the discharge line 39 are stopped by the limiting element 48 of the delivery device 39, so that the smoking articles 10 are arranged parallel to each other in the longitudinal axial direction.
  • the thus-oriented smoking articles 10 are then conveyed in the direction Y coordinated with the conveying speed of the upstream conveying device 20.
  • the qualified smoking articles 10 of a standard length, in particular filter cigarettes 11, aligned in a collecting device, not shown, or to a recovery device can be transported continuously or discontinuously.
  • Fig. 4 and 5a-c show schematically a further embodiment of the device according to the invention with a designed as an endless belt conveyor device 20.
  • the support device 30 is disposed below an upper run 28 of the conveyor.
  • the support device 30 has a schematically illustrated sliding surface 37 for aligning, picking up and sliding back on excess material.
  • the sliding surface 37 is disposed in front of the horizontal sorting table 33 so that the smoking articles 10 are conveyed toward the sorting table 33 at an inclination obliquely upward (see upward arrow).
  • the maximum slope of the sliding surface 37 is illustrated by the vertical arrow Z.
  • a loose bed of cigarette scrap can be received in the recesses 21.
  • the differently inclined areas can be realized with a chain-guided endless conveyor 20 by deflection rollers 24, not shown.
  • the recorded in the recesses 21 smoking article 10 are conveyed through the inclined sliding surface 37 to the sorting table 33.
  • the smoking articles 10 can be aligned with the aid of the alignment means 27 parallel to the recesses 21 and slide into them. If a recess 21 is already occupied, the smoking article 10 slides back into the receiving area 40.
  • the conveyor 20 rises to the vertical Z, the excess material slides back to the lower area unless it is prevented from protruding from the projecting alignment means 27 due to excess length becomes.
  • the material of smoking articles 10 which has slid back into the receiving region 40 can slide there into not yet filled recesses 21 or be transported again into the sliding surface 37.
  • Fig. 5a-c show in perspective, from the side and from the front part of the in Fig. 4 shown endless conveyor, wherein the individual transport plates 25 are connected to movable joints 26 to form a segmented surface. Due to the mobility of the transport plates to each other, the in Fig. 4 and S-shaped process line guide shown in the side view 5b are realized from the receiving area 40 via the inclined sliding surface 37 to the sorting table 33.
  • Fig. 6 schematically shows a side view of the device according to the invention and the associated method steps.
  • the conveyor device 20 is designed as an endless belt with upper run 28 and lower run 29, wherein the support device 30 arranged under the conveyor device 30 has three areas: receiving area 40, sliding surface 37 and sorting table 33. These areas correspond to the following process steps: product task 41, upward conveying to slide back, Aligning and picking in the recesses 42 and sorting 43.
  • conveying device 20 is preferably chain-guided and may consist of lined-up transport plates 25 or an endless conveyor belt.
  • the endless belt is guided over deflection rollers 24, wherein at least one deflection roller 24 is designed as a drive roller.
  • the first method step 41 of the product task is carried out, wherein a loose bed of smoking articles 10 in the receiving area 40 is abandoned.
  • This receiving area 40 serves not only for product application and storage of smoking articles 10 in the recesses 21 but also as a buffer area.
  • the conveying device 20 is moved over an obliquely arranged sliding surface 37 (method step 42), so that excess material is thrown off and slides back downwards.
  • this sliding surface 37 the smoking articles are preferably aligned by means of alignment means 27 so that they are stored in the recesses 21 when sliding back into the receiving area 40. Too long material, which was not aligned by alignment 27 parallel to the conveying direction is promoted with the recorded in the recesses 21 smoking articles 10 on the sorting table 33.
  • the method step 43 of sorting is carried out according to length:
  • Smoking articles 10 are conveyed via the first opening 31 of the sorting table 33 such that the smoking articles are tilted by gravity from its substantially horizontal position into the at least first opening 31 as a function of its tilting axis (see arrows 44 at the level of the rows of the first opening 31).
  • a collecting device 18 via a hopper 19.
  • Smoking articles 10, whose lever arm is longer than the length of the first opening 31, are conveyed further via the first opening 31 and reach the second opening 32.
  • smoking articles 10 can preferably have a standard length with undamaged outer contour by means of tilting (arrow 45). be dissipated.
  • the smoking articles 10 qualified in the first opening 31 and second openings 32 can each be conveyed via a funnel 19 into a collecting device 18 or, alternatively, transported via a discharge line 39 aligned with a further conveying device 49.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Discharge Of Articles From Conveyors (AREA)
EP13188239.1A 2013-10-11 2013-10-11 Dispositif et procédé de transport et de tri d'articles à fumer Active EP2859802B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13188239.1A EP2859802B1 (fr) 2013-10-11 2013-10-11 Dispositif et procédé de transport et de tri d'articles à fumer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13188239.1A EP2859802B1 (fr) 2013-10-11 2013-10-11 Dispositif et procédé de transport et de tri d'articles à fumer

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EP2859802A1 true EP2859802A1 (fr) 2015-04-15
EP2859802B1 EP2859802B1 (fr) 2018-02-21

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110153025A (zh) * 2019-06-21 2019-08-23 郑州瑞通祥实业有限公司 一种标异一体式快速调仓条烟分拣设备
CN115463825A (zh) * 2022-08-23 2022-12-13 江西中烟工业有限责任公司 一种自带喷吹装置的两用振动筛分机

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3545613A (en) * 1968-10-11 1970-12-08 Economics Lab Sorting various pieces of silverware by kind and size
DE2011125A1 (de) * 1970-03-10 1972-02-10 Heinz Stiels, Konservenmaschinen, 4051 Hinsbeck Verfahren und Vorrichtung zum Langen sortieren
FR2218145A1 (fr) * 1973-02-16 1974-09-13 Adv Applic Vibration
WO2013030286A1 (fr) * 2011-09-01 2013-03-07 Garbuio S.P.A. Récupération de tabac à partir de déchets de cigarettes

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3545613A (en) * 1968-10-11 1970-12-08 Economics Lab Sorting various pieces of silverware by kind and size
DE2011125A1 (de) * 1970-03-10 1972-02-10 Heinz Stiels, Konservenmaschinen, 4051 Hinsbeck Verfahren und Vorrichtung zum Langen sortieren
FR2218145A1 (fr) * 1973-02-16 1974-09-13 Adv Applic Vibration
WO2013030286A1 (fr) * 2011-09-01 2013-03-07 Garbuio S.P.A. Récupération de tabac à partir de déchets de cigarettes

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110153025A (zh) * 2019-06-21 2019-08-23 郑州瑞通祥实业有限公司 一种标异一体式快速调仓条烟分拣设备
CN115463825A (zh) * 2022-08-23 2022-12-13 江西中烟工业有限责任公司 一种自带喷吹装置的两用振动筛分机
CN115463825B (zh) * 2022-08-23 2023-11-24 江西中烟工业有限责任公司 一种自带喷吹装置的两用振动筛分机

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