EP4295705B1 - Apparatus and method for splitting up articles of tobacco industry - Google Patents

Apparatus and method for splitting up articles of tobacco industry Download PDF

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Publication number
EP4295705B1
EP4295705B1 EP22180583.1A EP22180583A EP4295705B1 EP 4295705 B1 EP4295705 B1 EP 4295705B1 EP 22180583 A EP22180583 A EP 22180583A EP 4295705 B1 EP4295705 B1 EP 4295705B1
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EP
European Patent Office
Prior art keywords
unit
recess
rod
splitting
article
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.)
Active
Application number
EP22180583.1A
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German (de)
English (en)
French (fr)
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EP4295705A1 (en
Inventor
Pawel Sieradzki
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.)
International Tobacco Machinery Poland Sp zoo
Original Assignee
International Tobacco Machinery Poland Sp zoo
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.)
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Publication date
Application filed by International Tobacco Machinery Poland Sp zoo filed Critical International Tobacco Machinery Poland Sp zoo
Priority to PL22180583.1T priority Critical patent/PL4295705T3/pl
Priority to EP22180583.1A priority patent/EP4295705B1/en
Publication of EP4295705A1 publication Critical patent/EP4295705A1/en
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Publication of EP4295705B1 publication Critical patent/EP4295705B1/en
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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
    • A24C5/36—Removing papers or other parts from defective cigarettes

Definitions

  • the present invention relates to an apparatus and method for splitting up articles of tobacco industry.
  • the value of the tobacco or processed tobacco material needed to make a smoking article accounts for a large portion of the manufacturing cost of a cigarette, and therefore the recovery of tobacco, and now also other materials from defective articles, is a significant problem in the tobacco industry.
  • mass-produced cigarettes did not have a mouthpiece, and the recovery of tobacco from cigarettes consisted only of tearing the wrapper, which was cut, for example, along the length of the cigarette.
  • the mouthpieces attached to the tobacco portion of the cigarette were originally torn off manually.
  • the disadvantage of devices using circular knives is the inadvertent cutting of thin slices of the filter material from the mouthpiece, and cutting off narrow strips of metal or producing metal filings in the case of cutting an article having a segment provided with a plate for induction heating of the tobacco material.
  • the above problems result from the inaccurate positioning of the cigarette during cutting and the tolerance of the length of the mouthpieces and tobacco parts.
  • a disadvantage of such devices is the production of paper and tobacco dust.
  • the device according to the invention is intended for splitting up articles of the tobacco industry, which enables the recovery of materials from individual parts of the article independently of one another.
  • Due to the variety of materials being used it is necessary that to each part of the article it is possible to apply a recovery technology suitable to the particular type of the material, usually the technologies for the various materials differ so much that they cannot be effectively applied without splitting up the parts of the article.
  • the separation of the parts is particularly important for a part of the article consisting of several components, for example a part in which the filling material has at least one flavor capsule, a plate or any other insert.
  • the solution according to the invention is suitable for splitting up various types of rod-like articles of the tobacco industry, for example tobacco filled cigarettes, tobacco filled cigarettes having a mouthpiece and smoking articles having a filter portion and a tobacco flavor-producing material portion by heating or otherwise, for example, by crushing a capsule filled with a liquid aromatic substance.
  • a further process of recovering the tobacco material includes, for example, cutting the wrapper and removing the plates with a magnet positioned, for example, over a vibrating conveyor transporting a mixture of tobacco material, the wrapper and the plates.
  • the next step is to separate the tobacco material from the wrapper by means of a vibrating sieve.
  • the advantage of the device according to the invention is that the material of the individual parts of the article is not disturbed, no particles of filling material or components of the parts of the article are produced that are difficult to separate from the material of an adjacent article part.
  • the invention relates to an apparatus for splitting up articles of tobacco industry into fragments, wherein the rod-like article comprises a filling material wrapped in a wrapper.
  • the apparatus comprises: a carrying unit with recesses arranged to receive the rod-like articles, a holding unit arranged to hold the rod-like article in the recess of the carrying unit, a splitting unit comprising a pressing surface, wherein the pressing surface is positioned adjacently to the carrying unit, wherein the distance between the pressing surface and the bottom of the recess decreases during movement of the carrying element, which causes dislocation of a fragment of the rod-like article that is outside the recess and creates a breaking stress in the wrapper material at a boundary between the fragment located in the recess and the fragment located outside the recess.
  • the splitting unit may be a stationary unit.
  • the pressing surface of the splitting unit may be arcuate or may be flat.
  • the splitting unit may by a rotary unit.
  • the pressing surface may move in the same direction as the movement of the recess of the carrying unit or may move in the direction opposite to the movement of the recess of the carrying unit.
  • the pressing surface may have a form of a recess in the splitting unit.
  • the pressing surface may be a cylindrical surface.
  • the carrying unit may be a rotary unit.
  • the apparatus may comprise a rotary supporting unit with supporting recesses, wherein the supporting recesses of the supporting unit may coincide with the recesses of the rotary carrying unit in an axial view, such that a pair of recesses comprising the recess in the rotary carrying unit and the supporting recess in the rotary supporting unit is arranged to receive the rod-like article.
  • the carrying unit may be a linear carrying unit and may move partially in linear motion.
  • the apparatus may comprise a linear supporting unit with recesses, wherein the linear supporting unit moves at least partially in linear motion, and the recesses of the linear supporting unit coincide with the recesses of the linear carrying unit such that a pair of the recesses comprising a recess in the linear carrying unit and a recess in the linear supporting unit is arranged to receive the rod-like article.
  • the distance between the pressing surface and the bottom of the recess may decrease to zero during movement of the carrying unit.
  • the present invention also relates to a method for splitting articles of tobacco industry into fragments, wherein the rod-like article comprises a filling material wrapped in a wrapper, comprising the steps of: placing a rod-like article in the recess of the carrying unit, holding the rod-like article in the recess of the carrying unit, pressing the rod-like article by means of the pressing surface of the splitting unit located adjacent to the carrying unit, decreasing the distance between the pressing surface of the pressing unit and the bottom of the recess during the movement of the carrying unit, which causes dislocation of a fragment of the rod-like article that is outside the recess and creates a breaking stress in the wrapper material at a boundary between the fragment located in the recess and the fragment located outside the recess.
  • Fig. 1 shows an exemplary rod-like article 1 in a form of a filter rod comprising a filling material in a form of segments A, B, C and D, wherein the segments are wrapped in a wrapper material W.
  • the presented rod-like article 1 is a multi-segment rod, in which the segments A, B, C, D are wrapped by a common wrapper material W.
  • 1A denotes a part of the filter rod 1 comprising the segment A, the parts 1B, 1C, 1D comprise the segments B, C and D respectively.
  • FIG. 1a shows a multi-segment rod 2 of a double length with respect to the single multi-segment rod 1, wherein the multi-segment rod comprises two multi-segment rods 1 which are connected to each other. Cutting apart the multi-segment rod 2 in a production process results in two multi-segment rods 1, wherein the cutting is performed in the middle of the double multi-segment rod 2D.
  • Fig. 2 shows a first embodiment of the apparatus for splitting up rod-like articles, comprising a carrying unit 3, a holding unit 4 and a splitting unit 5.
  • the carrying unit 3 is made as a rotary unit and has a form of a drum with an axis of rotation k.
  • the rotary carrying unit 3 rotates in a direction T.
  • the rotary carrying unit 3 comprises recesses 6.
  • the recesses 6 have a form of cylindrical grooves arranged on the peripheral surface of the carrying unit 3, wherein an axis t of the groove 6 is in parallel to the axis of rotation k of the carrying unit 3.
  • the holding unit 4 has a form of a section of a cylinder and is arranged coaxially with the rotary carrying unit 3.
  • the holding unit 4 is distanced from the peripheral surface 3A of the carrying unit 3 such, that the holding unit 4 slidably holds or presses the rod-like article 1 located in the recess 6, i.e. the distance between the holding surface 4A of the holding unit 4 and the peripheral surface 3A is close to the length of the radius of the recess 6 or it is close to the radius of the rod-like article 1 ( Fig. 2a ).
  • the splitting unit 5 may be of any shape, in the presented example it has the form of an arcuate plate when viewed in a direction parallel to the axis k.
  • the splitting unit 5 is stationary.
  • the splitting unit 5 has a pressing surface 5A, which intersects the path of movement of the rod-like article 1.
  • the pressing surface 5A is concave, and has a form of a section of the cylinder, wherein the pressing surface 5A may have other concave shape, for example the cross-section of the pressing surface may be a portion of an ellipse or a spiral.
  • the rod-like article 1 is placed in the recess 6.
  • the rod-like article 1 is carried in the recess 6 and is guided by the holding unit 4, such that the rod-like article 1 is held, pressed and guided by the holding unit 4, owing to this the rod-like article 1 abuts the recess 6.
  • a fragment of the rod-like article 1 is outside the recess 6, namely the part 1A, while the remaining fragment is in the recess 6, namely the parts 1B, 1C, 1D.
  • the end 1A of the rod-like article 1 is approached to the pressing surface 5A of the splitting unit 5.
  • the end 1A After approaching, during further movement, the end 1A is deformed under producing shear, bending and torsion stresses which are destructive to the wrapper material W, whereby the wrapper material W is torn at the boundary between the fragment located in the recess and the fragment located outside the recess.
  • the torn end 1A has the wrapper material presented as cylindrical with a circular splitting line, however in reality the splitting line has a random irregular shape such as after tearing the wrapper.
  • the distance e between the concave pressing surface 5A and the bottom of the recess 6 decreases during rotation of the carrying unit 3.
  • Fig. 2a shows distances e1, e2, e3, e4 between the concave pressing surface 5A and the bottom of the recess 6 for consecutive recesses 6, wherein e1 >e2>e3, whereas the distance e4 reflects the situation when the pressing surface 5A lowers below the bottom of the recess 6, i.e. the distance between the surface 5A and the bottom of the recess 6 decreases to 0, and subsequently increases in an opposite direction.
  • the surface 5A causes the part 1A to be detached from the rest of the rod-like article 1, wherein the front surface of the segment B is shown in Fig. 2a
  • the splitting unit 15 presented in the second embodiment in Fig. 2b has a form of a flat plate and may be used in place of the splitting unit 5.
  • the splitting unit 15 has a flat pressing surface 15A, wherein the distance c between the pressing surface 15A and the bottom of the recess 6 decreases.
  • Fig. 2b shows the distances c1, c2, c3 between the pressing surface 15A and the bottom of the recess 6 for subsequent recesses 6, wherein c1 ⁇ c2 ⁇ c3. It is possible to locate the splitting unit 15 such, that the distance c between the pressing surface 15A and the bottom of the recess 6 decreases to zero.
  • the apparatus for splitting up the rod-like article in the second embodiment as presented in fig. 3 is build analogously as the apparatus presented in Fig. 2 , wherein the splitting unit 5 tears off the part 1A of the rod-like article 1 outside the carrying unit, and moreover the pressing surface 5A of the splitting unit 5 is convex.
  • Fig. 3a shows distances d1, d2, d3, d4 between the pressing surface 5B and the bottom of the recess 6 for subsequent recesses 6, wherein d1>d2.
  • the dimensions d3, d4 are measured in opposite direction.
  • Fig. 3b shows distances D1, D2, D3, D4 between the pressing surface 5B and the holding surface 4A for consecutive positions of the rod-like article 1, wherein the distances decrease i.e. D1 ⁇ D2 ⁇ D3 ⁇ D4.
  • the apparatus for splitting up rod-like articles in a third embodiment shown in Fig. 4 comprises, analogously as in previous embodiments, the rotary carrying unit 3 and the holding unit 4, and furthermore it comprises a rotary splitting unit 7.
  • the rotary splitting unit 7 has a form of a wheel with an axis of rotation m.
  • a peripheral surface 7A of the splitting unit 7 constitutes the pressing surface.
  • Fig. 4a shows the steps of splitting up the rod-like article 1, wherein the distances f1, f2, f3 between the pressing surface 7A and the bottom of the recess 6 for consecutive recesses 6 are presented, wherein f1>f2.
  • the distance f3 corresponds to the situation, when the pressing surface 7A decreases below the bottom of the recess 6, i.e. the distance between the surface 7A and the bottom of the recess 6 decreased to zero and next it increased in the opposite direction.
  • the rotary carrying unit 3 and the rotary splitting unit 7 rotate concurrently as indicated by arrows T and S.
  • the rod-like article is separated (split up) by shear and bending stresses. It is possible to rotate the rotary splitting unit 7 in opposite direction with respect to the rotation of the carrying unit 3, then the rod-like article will be additionally split up by torsion stresses.
  • the apparatus for splitting up rod-like articles in a fourth embodiment shown in Fig. 5 comprises, analogously as in previous embodiments, the rotary carrying unit 3 and the holding unit 4, and furthermore the rotary splitting unit 8.
  • the rotary splitting unit 8 has a form of a cylinder, wherein the recesses 9 having pressing surfaces 9A are distributed on the side surface 8A of the cylinder.
  • Fig. 5 shows an embodiment of the recesses 9, which have a form of cylindrical grooves with a diameter such as the diameter of the recesses 6 on the rotary carrying unit 3.
  • the distance g between the pressing surface 9A and the bottom of the recess 6 decreases during rotation of the carrying unit 3.
  • Fig. 5a shows distances g1, g2, g3 between the pressing surface 9 and the bottom of the recess 6 for consecutive recesses 6, wherein g1>g2>g3.
  • Fig. 5b shows the distances g between the pressing surface 9A and the bottom of the recess 6, wherein the diameter of the recess 9 in Fig. 5b is larger than the diameter of the recess 9 in Fig. 5a .
  • the apparatus for splitting up rod-like articles in a fifth embodiment shown in Fig. 6 comprises, analogously as in previous embodiments, the rotary carrying unit 3, the holding unit 4, the splitting unit 5 and furthermore comprises a rotary supporting unit 10 and a second holding unit 11.
  • the rotary carrying unit 3 and the rotary supporting unit 10 are arranged coaxially, i.e. on a common axis of rotation k and rotate synchronously with the same angular velocity, such that the recesses 6 in the rotary carrying unit 3 and the supporting recesses 12 in the rotary supporting unit 10 are arranged coaxially such, that the recess 6 and the supporting recess 12 together receive the rod-like article 1.
  • Common axis p of the recess 6 and the supporting recess 12 is parallel to the axis of rotation k.
  • the splitting unit as presented in figs. 2a, 2b , 3a, 3b may be implemented.
  • the holding unit 4 holds and presses the parts 1C, 1D of the rod-like article 1 comprising the segments C and D
  • the second holding unit 11 holds and presses the part 1A of the rod-like article 1 comprising the segment A
  • the part 1B is pressed by the splitting unit 5 during the rotation of the rotary carrying unit 3 and the rotary supporting unit 10.
  • the fragment of the rod-like article comprising the part 1B is located outside the recess 6 and outside the supporting recess 12, namely it is located between these recesses, the fragment comprising the parts 1C, 1D is located in the recess 6 whereas the fragment comprising the part 1A is located in the supporting recess 12.
  • the part 1B is being deformed under resulting shear, bending and torsion stresses which are destructive to the wrapper material W, whereby the wrapper material W is torn at the boundary between the fragment located in the recess 6 and in the supporting recess 12 and the fragment located between the recesses.
  • the width of the splitting unit 5 is close to the length of the segment B, and at the same time to the length of the part 1B.
  • the apparatus for splitting up rod-like articles correctly separates the part 1B also when the splitting unit 5 is wider or narrower than the length of the segment B.
  • the apparatus for splitting up rod-like articles in a sixth embodiment shown in Fig. 7 comprises, similarly as in previous embodiment, the rotary carrying unit 3, the holding unit 4, the splitting unit 5, the rotary supporting unit 10 and the second holding unit 11.
  • the holding unit 4 is arranged coaxially with the rotary carrying unit 3 and the second holding unit 11 is arranged coaxially with the rotary supporting unit 10.
  • the rotary carrying unit 3 and the rotary supporting unit 10 are arranged coaxially, wherein the recess 6 and the supporting recess 12 move synchronously and together receive the rod-like article 1.
  • the splitting unit 7 has a form of a cylinder, as in the third embodiment.
  • the rotary carrying unit 3, the rotary supporting unit 10 and the rotary splitting unit 7 rotate concurrently as indicated by the arrows T and S.
  • the rod-like article is separated mainly by shear stresses. It is possible to rotate the rotary splitting unit 7 in opposite direction with respect to the rotation carrying unit 3 and the rotary supporting unit 10, then the rod-like article is separated mainly by means of torsion stresses.
  • the apparatus for splitting up rod-like articles in a seventh embodiment shown in Fig. 7 is built analogously to the apparatus from the sixth embodiment, wherein it comprises the rotary splitting unit 8 as in the fourth embodiment shown in fig. 5 . Both in case of concurrent synchronization and opposite direction synchronization of the units 3, 10 and 8, the rod-like article is separated mainly as a result of shear stresses.
  • the apparatus for splitting up rod-like articles in an eight embodiment is adapted to split up the rod 2 presented in Fig. 1a .
  • the apparatus comprises a rotary carrying unit 3, the holding unit 4, two rotary splitting units 8, two rotary supporting units 10 and two second holding units 11.
  • the holding unit 4 is arranged coaxially with the rotary carrying unit 3, and the second holding unit 11 is arranged coaxially with the rotary supporting unit 10.
  • the rotary carrying unit 3 and both rotary supporting units 10 are arranged coaxially, wherein the recess 6 in the carrying unit 3 and the supporting recesses 12 in the rotary supporting units 10 move synchronously and together receive the rod-like article 2.
  • the apparatus for splitting up rod-like articles in the eight embodiment is doubled apparatus for splitting up rod-like articles from the seventh embodiment.
  • the wrapper W is torn at the boundaries between the fragments located in the recesses 6 and the fragments located outside the recesses, wherein the wrapper is torn at four locations on the rod-like article 2.
  • the apparatuses from the first to the sixth embodiment may also be doubled to split up the parts of the rod-like article 2.
  • the rotary carrying unit 3 with the rotary supporting units 10 may rotate concurrently or in the opposite direction with respect to the rotary splitting units 8.
  • the apparatus splits up the rod-like article 2 such, that the parts 1B and the parts 1A are separated from each other and from the central part of the rod-like article 2, namely they are separated from the parts 1C, 1D, 1C which are connected to each other.
  • the apparatus for splitting up rod-like articles in a nineth embodiment shown in fig. 10 comprises a linear carrying unit 13, a linear holding unit 14 and a splitting unit 15.
  • the linear carrying unit 13 may have a form of a belt or a chain with recesses 16.
  • the chain may have chain links made of plastic or made of metal with snap-on elements having recesses.
  • the splitting unit 15 has a form of a flat plate, the splitting unit 15 may be arc-shaped.
  • the rotary splitting unit as presented in Fig. 4 may be used.
  • the apparatus for splitting up rod-like articles in a nineth embodiment shown in Fig. 11 comprises the rotary splitting unit 8, wherein Fig. 11 presents the distances n1, n2, n3 between the pressing surface 9A and the bottom of the recess 16 for consecutive recesses 16, wherein n1>n2.
  • the distance n3 relates to a situation when the pressing surface 9A lowers below the bottom of the recess 16, i.e. the distance between the pressing surface 9A and the bottom of the recess 16 decreases to zero and subsequently increases in the opposite direction.
  • the pressing surface 5A of the splitting unit 5 may be arc-shaped as presented in a cross-section E-E in Fig. 12 and depicted in Fig. 2a . Such shape increases the stresses in the wrapper material W.
  • the pressing surface 7A is also similarly arc-shaped as presented in the cross-section F-F depicted in Fig. 4a .

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  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
EP22180583.1A 2022-06-22 2022-06-22 Apparatus and method for splitting up articles of tobacco industry Active EP4295705B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL22180583.1T PL4295705T3 (pl) 2022-06-22 2022-06-22 Urządzenie i sposób rozdzielania artykułów przemysłu tytoniowego
EP22180583.1A EP4295705B1 (en) 2022-06-22 2022-06-22 Apparatus and method for splitting up articles of tobacco industry

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP22180583.1A EP4295705B1 (en) 2022-06-22 2022-06-22 Apparatus and method for splitting up articles of tobacco industry

Publications (2)

Publication Number Publication Date
EP4295705A1 EP4295705A1 (en) 2023-12-27
EP4295705B1 true EP4295705B1 (en) 2024-09-04

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Application Number Title Priority Date Filing Date
EP22180583.1A Active EP4295705B1 (en) 2022-06-22 2022-06-22 Apparatus and method for splitting up articles of tobacco industry

Country Status (2)

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EP (1) EP4295705B1 (pl)
PL (1) PL4295705T3 (pl)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2815029A (en) 1954-04-14 1957-12-03 Zigarettenfabrik Haus Neuerbur Method and means for tearing out filters from defective filter cigarettes
US3233613A (en) 1961-12-15 1966-02-08 Hauni Werke Koerber & Co Kg Method and apparatus for reclaiming defective cigarette assemblies and the like
US3345991A (en) 1965-06-04 1967-10-10 Reynolds Tobacco Co R Disassembling apparatus for cigarette and filter assemblies
US3382874A (en) 1965-06-04 1968-05-14 Reynolds Tobacco Co R Means for disassembling cigarette and filter assemblies
DE102004024433A1 (de) 2004-05-14 2005-12-08 Hauni Maschinenbau Ag Verfahren zur Bestimmung der Masse stabförmiger Artikel der Tabak verarbeitenden Industrie
DE102011107643A1 (de) * 2011-07-12 2013-01-17 Köhl Maschinenbau AG Zigarettenzerlegevorrichtung für Filterzigaretten und Zigarettenzerlegemaschine und Verfahren zur Zerlegung einer Filterzigarette

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Publication number Publication date
PL4295705T3 (pl) 2025-01-20
EP4295705A1 (en) 2023-12-27

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