EP2282943B1 - Procédé et machine de formation d'une enveloppe scellée autour d'un article - Google Patents

Procédé et machine de formation d'une enveloppe scellée autour d'un article Download PDF

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Publication number
EP2282943B1
EP2282943B1 EP09733773.7A EP09733773A EP2282943B1 EP 2282943 B1 EP2282943 B1 EP 2282943B1 EP 09733773 A EP09733773 A EP 09733773A EP 2282943 B1 EP2282943 B1 EP 2282943B1
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EP
European Patent Office
Prior art keywords
sealing
end portion
article
folding
onto
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EP09733773.7A
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German (de)
English (en)
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EP2282943A1 (fr
Inventor
Daniele Civolani
Marco Carrara
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Azionaria Costruzioni Macchine Automatiche ACMA SpA
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Azionaria Costruzioni Macchine Automatiche ACMA SpA
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/06—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths
    • B65B11/38—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a combination of straight and curved paths
    • B65B11/40—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a combination of straight and curved paths to fold the wrappers in tubular form about contents
    • B65B11/42—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a combination of straight and curved paths to fold the wrappers in tubular form about contents and then to form closing folds of similar form at opposite ends of the tube
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/14—Applying or generating heat or pressure or combinations thereof by reciprocating or oscillating members

Definitions

  • the present invention relates to a method and machine for forming a sealed wrapping about an article, and to a package so formed.
  • a sealed wrapping is formed about an article using a wrapping unit, which is fed with a succession of articles for wrapping, and with a continuous strip of normally airtight, heat-seal wrapping material.
  • the sealed wrappings about the respective articles are normally formed by sealing the free longitudinal edges of the strip to define a tubular wrapping about the articles; transversely sealing the tubular wrapping at the ends of each article to form a respective "pillow pack"; and then separating the individual sealed wrappings.
  • US 2003192287 discloses a method for hermetically sealing a bulk article wherein a strip of wrapping material is initially positioned onto an article such that extending ends of the wrapping material strip extend from away from an edge of the article, each end having a different length.
  • the article is rotated to cause the ends of the strip to cover an uncovered side of the article with a fin-like section extending therefrom away from the article which can be sealed without contacting the article.
  • the fin-like section is cooled and folded onto the top of the article so as to form an axial seam. Lateral ends of the wrapping material strip are then sealed to complete the hermetic sealing process.
  • GB2141395 discloses a method for wrapping batches of products, in particular candies, and for forming sealed packets, which envisages: a batch of products being supplied to a wrapping wheel; a sheet of heat-sealing material with two lateral downward turned borders being placed above the batch; the said borders being welded one to the other in order to form a tube, the opposite extremities of which are first flattened through the insertion in between them of divarication means; the said extremities then being sealed by welding/pre-folding grippers designed to make, on each welded tubular extremity, weakening lines that aid the subsequent folding of the said extremities.
  • EP1357039 discloses a method and device for end closing tubular wrappings of products, whereby the arms of a scissor-type parting device, once inserted in a closed position inside an end portion of a tubular wrapping, are allowed to part, and are pushed by springs into a fully open position throughout an extraction stroke to crease the end portion and enable the end portion to be pressed taut and accurately by the opposing thrust of two folding-sealing members.
  • Number 1 in Figure 1 indicates as a whole a machine for forming a sealed wrapping 2 about a substantially parallelepiped-shaped article 3.
  • article 3 comprises two opposite end walls 4 (only one shown in Figure 2 ); two opposite major lateral walls 5 (only one shown in Figure 2 ) crosswise (in particular, perpendicular) to end walls 4; and two opposite minor lateral walls 6 crosswise (in particular, perpendicular) to end walls 4 and major lateral walls 5.
  • Machine 1 (in Figure 1 ) forms wrapping 2 from a sheet 7 of wrapping material in the steps shown in Figures 2 to 7 , and as article 3 is fed along a path P.
  • Sheet 7 is substantially rectangular and preferably made of airtight, heat-seal material.
  • the wrapping 2 formed about article 3 substantially adheres to article 3, and comprises two major lateral portions 8; two minor lateral portions 9 crosswise to major lateral portions 8; and two end portions 10 crosswise to major lateral portions 8 and minor lateral portions 9.
  • Wrapping 2 is sealed hermetically about article 3 along three sides by means of respective seals : one at a major lateral portion 8, and the other two at respective end portions 10. Wrapping 2 and article 3 together define a package that may either undergo further processing or be retailed as it is.
  • major lateral portions 8 have a larger surface area than minor lateral portions 9. In variations not shown, major lateral portions 8 have substantially the same surface area as minor lateral portions 9.
  • machine 1 comprises a conveyor 11 for feeding article 3 to a folding device 12 comprising a push unit 13 and a wrapping wheel 14.
  • Wrapping wheel 14 rotates in steps about an axis 15 perpendicular to the Figure 1 plane, and comprises a number of pockets 16 equally spaced about axis 15, and each for receiving a respective article 3 at a loading station 17, and conveying article 3 along a semicircular portion of path P to an unloading station 17'.
  • Push unit 13 feeds article 3 in a direction A crosswise (in particular, perpendicular) to axis 15, so article 3 engages sheet 7 and is inserted together with sheet 7 inside respective pocket 16.
  • sheet 7 is folded into a U, so that two pairs of flaps 18, at opposite ends of article 3, and a pair of flaps 19, 19' of sheet 7 project from the free sides of article 3.
  • the flaps 18, 19 and 19' in each pair face each other and are substantially parallel ( Figure 2 ). Flaps 18 project, parallel to axis 15, from respective end walls 4 of article 3; flaps 19 and 19' project, crosswise to axis 15, from a minor lateral wall 6; and flap 19 is wider than flap 19'.
  • Machine 1 ( Figures 1 and 17 ) also comprises a sealing device 20 for superimposing and sealing flaps 19 and 19' to form a substantially tubular partial wrapping 21 having two open ends 22, and a sealing flap 23 projecting outwards crosswise to partial wrapping 21 ( Figure 3 ).
  • Partial wrapping 21 comprises major and minor lateral portions 8 and 9, which are connected to one another by respective lateral edges 24; and sealing flap 23 projects outwards from, and extends along, a respective lateral edge 24.
  • Sealing device 20 ( Figures 1 and 17 ) comprises a substantially fixed member 25 at loading station 17; and a member 26 which is movable, in a direction crosswise to direction A, between an open position (shown by the continuous line in Figure 17 ) and a closed position (shown by the dash line in Figure 17 ).
  • At least one of members 25, 26 is a heat-seal member (i.e. for transferring heat to sheet 7 to seal flaps 19 and 19').
  • both members 25, 26 are heat-seal members.
  • Sealing device 20 also comprises a heat-seal member 27, downstream from loading station 17 and upstream from unloading station 17', for preferably fluidtight sealing flaps 19 and 19' to each other to form sealing flap 23.
  • member 27 oscillates about a respective axis (not shown) substantially parallel to axis 15, to contact flaps 19 and 19' when wheel 14 is stationary.
  • machine 1 comprises a number of members 27 arranged successively between loading station 17 and unloading station 17'.
  • machine 1 has no member 27, and flaps 19 and 19' are sealed to each other by members 25 and 26 at loading station 17.
  • neither of members 25, 26 is a heat-seal member, and flaps 19, 19' are sealed to each other by member/s 27.
  • Machine 1 also comprises a folding device 28 for folding sealing flap 23 onto a major lateral portion 8.
  • Folding device 28 comprises a known fixed plate (not shown) located along the periphery of wheel 14 to fold sealing flap 23 crosswise (in particular, perpendicularly) to respective major lateral portion 8; and a pusher 29 to feed article 3 in a substantially radial direction with respect to axis 15, so sealing flap 23 is folded onto respective major lateral portion 8 by contrast with a fixed folding member 30.
  • Pusher 29 is located at unloading station 17'; and folding device 28 also comprises a heating head 31 located at a stabilizing station 32 along path P, and which is movable crosswise to path P to engage and stabilize sealing flap 23 on major lateral portion 8.
  • Machine 1 also comprises a conveyor 33 for feeding article 3 in direction A along a substantially straight portion of path P from stabilizing station 32; through a closing station 34 where open ends 22 of partial wrapping 21 are closed to form sealing flaps 35; to a folding station 36 where sealing flaps 35 are folded.
  • Conveyor 33 comprises a belt (shown partly in Figure 1 ) having a work branch 37 and looped about two known pulleys (not shown) rotating about respective axes parallel to axis 15.
  • Articles 3 are positioned on conveyor 33 with open ends 22, sealing flap 23, and minor lateral portions 9 crosswise to direction A.
  • a retractor 38 deforms a respective open end 22 of partial wrapping 21 to form two facing flaps, and a sealing device 39 grips and preferably fluidtight seals the facing flaps to form respective closed end portion 10 and relative sealing flap 35, which projects from and defines a seal of end portion 10.
  • Retractor 38 comprises two arms 40 movable between a closed rest position (shown by the dash line in Figure 8 ), and an open taut position (shown by the continuous line in Figure 8 ).
  • Sealing device 39 comprises a gripper unit in turn comprising two heat-seal jaws 41 movable between an open rest position (shown by the dash line in Figure 8 ), and a closed sealing position (shown by the continuous line in Figure 8 ).
  • machine 1 also comprises a folding device 42 at folding station 36, to fold sealing flaps 35 onto respective end portions 10.
  • Folding device 42 comprises a conveyor 43 for feeding article 3 along a substantially straight portion of path P; and two substantially fixed plates 44 (only one shown) located on opposite sides of path P to fold sealing flaps 35 onto respective end portions 10 (as shown particularly in Figures 12, 13 and 16 ).
  • conveyor 43 comprises an elevator 45 for moving article 3 crosswise to major lateral portions 8 in a direction, in particular a substantially vertical direction, crosswise to direction A.
  • sealing flaps 35 are of such a length that, once folded, each extends up to a respective edge 24' connecting respective end portion 10 to a major lateral portion 8 (as shown particularly in Figures 6 and 7 ). In variations not shown, sealing flaps 35 are shorter and fall short of respective edges 24'.
  • each of sealing flaps 35 comprises two tabs 46 projecting from opposite sides of respective end portion 10.
  • Folding device 42 also comprises four flip-over rails 47, each designed so that each tab, as it slides along respective rail 47, is folded roughly 180° onto respective end portion 10 (as shown particularly in the Figure 13 to 15 sequence).
  • each rail 47 comprises a first portion 48 for folding respective tab 46 roughly 90° into a position substantially perpendicular to respective end portion 10 ( Figure 14 ); and a second portion 49, after portion 48, for folding tab 46 onto end portion 10 ( Figure 15 ).
  • Machine 1 also comprises a conveyor 50, downstream from folding device 42, to feed article 3, crosswise to minor lateral walls 6, along a substantially straight, horizontal portion of path P from folding station 36 to an output station 51.
  • Two known heating plates are located on opposite sides of the conveyor to stabilize sealing flaps 35 and tabs 46 on respective end portions 10.
  • machine 1 Operation of machine 1 will now be described as of when article 3 is located inside respective pocket 16, and sheet 7 is folded into a U about article 3.
  • member 25 folds flap 19 onto flap 19', and wheel 14 moves a first step forward to bring article 3 up to heat-seal member 27, which moves into contact with sealing flap 23.
  • said plate (not shown) folds sealing flap 23 by contrast into a position perpendicular to respective major lateral portion 8.
  • retractors 38 deform open ends 22; sealing devices 39 form end portions 10 and sealing flaps 35; and conveyor 33 feeds article 3 to folding device 42.
  • conveyor 50 feeds article 3 between two known heating plates (not shown) to stabilize sealing flaps 35 and tabs 46 on respective end portions 10 and so obtain package 2.
  • sealing flap 23 on major lateral portion 8 provides for particularly good sealing of open ends 22. If sealing flap 23 were to be located on one of minor lateral portions 9, deformation by retractor 38 and sealing by sealing device 39 would be more problematic, on account of the greater thickness of the wrapping material involved, and there would be more risk of sealing flap 23 becoming detached from respective minor lateral portion 9 (especially when deforming open ends 22).
  • rails 47 for folding tabs 46 roughly 180° are particularly advantageous in terms of faster production and compactness.

Claims (12)

  1. Procédé pour former une enveloppe scellée (2) autour d'un article (3), le procédé comprenant les étapes consistant à :
    plier une feuille (7) de matériau d'emballage autour de l'article (3), de sorte que la feuille (7) pliée a une paire de rabats en saillie se faisant face, sensiblement parallèles (19, 19') ;
    superposer et sceller la paire de rabats (19, 19') pour former une enveloppe partielle (21) sensiblement tubulaire ayant deux extrémités ouvertes (22), un premier rabat d'étanchéité (23) faisant saillie vers l'extérieur transversalement par rapport à l'enveloppe partielle (21) ;
    plier le premier rabat d'étanchéité (23) sur une surface externe de l'enveloppe partielle (21) ;
    saisir et sceller successivement les extrémités ouvertes (22) de l'enveloppe partielle (21) ;
    déformer au moins l'une des extrémités ouvertes (22) de l'enveloppe partielle (21) au moyen d'un rétracteur (38), afin de former deux rabats en vis-à-vis ; et saisir et sceller les rabats en vis-à-vis afin de former une partie d'extrémité (10) fermée respective et un second rabat d'étanchéité (35) qui fait saillie à partir de la partie d'extrémité (10) et définit un joint d'étanchéité de la partie d'extrémité (10) ;
    plier le second rabat d'étanchéité (35) sur la partie d'extrémité (10) de sorte que deux languettes (46) du second rabat d'étanchéité (35) font saillie latéralement à partir de la partie d'extrémité (10) et sur les côtés opposés de la partie d'extrémité (10) ; et
    plier chaque languette (46) sur la partie d'extrémité (10) ;
    dans lequel la feuille (7) du matériau d'emballage est pliée et scellée autour de l'article (3), de sorte que l'enveloppe partielle (21) comprend deux parties latérales majeures (8) sur les côtés opposés de l'article (3), et deux parties latérales mineures (9) qui sont positionnées sur les côtés opposés de l'article (3), sont transversales par rapport aux parties latérales majeures (8) et sont raccordées aux parties latérales majeures (8) par des bords latéraux (24) respectifs ; le premier rabat d'étanchéité (23) s'étendant sensiblement le long d'un bord latéral (24) respectif, et étant plié sur l'une des parties latérales majeures (8) de l'enveloppe partielle (21) ; et les extrémités ouvertes (22) de l'enveloppe partielle (21) étant fermées et scellées pour les saisir afin de former les deux seconds rabats d'étanchéité (35) sensiblement transversalement par rapport au premier rabat d'étanchéité (23) et aux parties latérales mineures (9) ;
    dans lequel les languettes (46) sont pliées sur la partie d'extrémité lorsque la feuille (7), pliée autour de l'article (3), est alimentée dans une direction sensiblement parallèle à ladite partie d'extrémité (10) et auxdites languettes (46), et en particulier transversalement par rapport aux parties latérales majeures (8).
  2. Procédé selon la revendication 1, dans lequel un rail (47) comprend une première partie (48) qui plie une languette (46) respective approximativement à 90° dans une position sensiblement perpendiculaire à une partie d'extrémité (10) respective ; et une seconde partie (49), après la partie (48), pour plier la languette (46) sur la partie d'extrémité (10) .
  3. Procédé selon la revendication 1 ou 2, dans lequel un dispositif de pliage (42) pour plier les languettes comprend quatre rails rabattables (47), chacun conçu de sorte que chaque languette, lorsqu'elle coulisse le long du rail (47) respectif, est pliée approximativement à 180° sur la partie d'extrémité (10) respective.
  4. Procédé selon l'une des revendications précédentes, dans lequel le premier rabat d'étanchéité (23) est tout d'abord plié pour faire saillie sensiblement perpendiculairement à ladite partie latérale majeure (8) relative, est maintenue dans cette position et est ensuite pliée sur la partie latérale majeure (8) relative.
  5. Procédé selon l'une des revendications précédentes, dans lequel l'article (3) comprend deux parois d'extrémité (4) sensiblement opposées ; deux parois latérales majeures (5) sensiblement opposées transversalement par rapport aux parois d'extrémité (4), et deux parois latérales mineures (6) transversalement par rapport aux parois d'extrémité (4) et aux parois latérales majeures (5) ;
    la feuille (7) étant pliée et scellée de sorte que chaque partie latérale majeure (8) de l'enveloppe partielle (21) est positionnée au niveau d'une paroi latérale majeure (5) respective, et chaque partie latérale mineure (9) de l'enveloppe partielle est positionnée au niveau d'une paroi latérale mineure (6) respective.
  6. Procédé selon l'une des revendications précédentes, dans lequel les languettes (46) sont sensiblement pliées approximativement à 180° sur la partie d'extrémité (10), en coulissant chacune le long d'un rail (47) respectif d'un dispositif de pliage (42).
  7. Machine pour former une enveloppe scellée (2) autour d'un article (3), la machine (1) comprenant :
    un premier dispositif de pliage (12) pour plier une feuille (7) de matériau d'emballage en U autour de l'article (3), de sorte que la feuille pliée (7) a une paire de rabats en saillie, en vis-à-vis, sensiblement parallèles (18, 19, 19') sur chaque côté libre de l'article (3) ;
    un premier dispositif d'étanchéité (20) pour superposer et sceller les rabats (19, 19') en une paire afin de former une enveloppe partielle (21) sensiblement tubulaire ayant deux extrémités ouvertes (22), et un premier rabat d'étanchéité (23) faisant saillie vers l'extérieur transversalement par rapport à l'enveloppe partielle (21) ;
    un deuxième dispositif de pliage (28) pour plier le premier rabat d'étanchéité (23) sur une surface externe de la feuille (7) ; et
    deux seconds dispositifs d'étanchéité (39) pour sceller les extrémités ouvertes (22) de l'enveloppe partielle (21) ;
    au moins un rétracteur (38) pour déformer au moins l'une des extrémités ouvertes (22) de l'enveloppe partielle (21) afin de définir deux rabats en vis-à-vis ; chaque second dispositif d'étanchéité (39) saisissant et scellant lesdits rabats en vis-à-vis afin de former une partie d'extrémité (10) fermée respective et un second rabat d'étanchéité (35), qui fait saillie de la partie d'extrémité (10) et définit un joint d'étanchéité de la partie d'extrémité (10) ; et
    un troisième dispositif de pliage (42) pour plier le second rabat d'étanchéité (35) sur la partie d'extrémité (10) relative de sorte que deux languettes (46) du second rabat d'étanchéité (35) font saillie latéralement sur les côtés opposés de la partie d'extrémité (10) ; le troisième dispositif de pliage (42) pliant également chaque languette (46) sur la partie d'extrémité (10) ;
    dans lequel le premier dispositif de pliage (12) et le premier dispositif d'étanchéité (20) plient et scellent la feuille (7) autour de l'article (3) de sorte que l'enveloppe partielle (21) comprend deux parties latérales majeures (8) sur les côtés opposés de l'article (3) ; et deux partie latérales mineures (9) qui sont positionnées sur les côtés opposés de l'article (3), sont transversales par rapport aux parties latérales majeures (8), et sont raccordées aux parties latérales majeures (8) par des bords latéraux (24) respectifs ; le premier rabat d'étanchéité (23) s'étendant le long d'un bord latéral (24) respectif ; le second dispositif de pliage (28) pliant le premier rabat d'étanchéité sur l'une des parties latérales majeures (8) de l'enveloppe partielle (21) ; et chaque second dispositif d'étanchéité (39) comprenant au moins une unité de préhension pour fermer et sceller les extrémités ouvertes (22) de l'enveloppe partielle (21) afin de former deux second rabats d'étanchéité (35) transversalement par rapport au premier rabat d'étanchéité (23) et aux parties latérales mineures (9) ;
    dans lequel les languettes (46) sont pliées sur la partie d'extrémité lorsque la feuille (7), pliée autour de l'article (3), est alimentée dans une direction sensiblement parallèle à ladite partie d'extrémité (10) et auxdites languettes (46), et en particulier transversalement par rapport aux parties latérales majeures (8).
  8. Machine selon la revendication 7, et comprenant un rail (47) qui comprend une première partie (48) pour plier une languette (46) respective approximativement à 90° dans une position sensiblement perpendiculaire à la partie d'extrémité (10) respective ; et une seconde partie (49), après la partie (48), pour plier la languette (46) sur la partie d'extrémité (10).
  9. Machine selon la revendication 7 ou 8, dans laquelle l'unité de préhension comprend deux mâchoires de thermosoudage (41).
  10. Machine selon l'une des revendications 7 à 9, dans laquelle le premier dispositif de pliage (12) comprend au moins une poche (16) ; et une unité de poussée (13) pour alimenter l'article (3), transversalement par rapport à la feuille (7), dans la poche (16), de sorte que la feuille (7) est poussée dans la poche (16) par l'article (3) et pliée en U autour de l'article (3) .
  11. Machine selon la revendication 10, et comprenant un transporteur (43) pour alimenter l'article (3), dans une direction transversale par rapport au second rabat d'étanchéité (35) faisant saillie de la partie d'extrémité (10), le long d'une partie d'une trajectoire d'alimentation (P), laquelle partie est positionnée en aval des seconds dispositifs d'étanchéité (39) et au niveau du troisième dispositif de pliage (42) ; le troisième dispositif de pliage (42) comprenant au moins un élément (44) sensiblement fixe qui intercepte le second rabat d'étanchéité (35) pour plier le second rabat d'étanchéité (35) sur la partie d'extrémité (10) .
  12. Machine selon l'une des revendications 7 à 11, dans laquelle le troisième dispositif de pliage (42) comprend au moins deux rails (47) conçus de sorte que chaque languette (46), lorsqu'elle coulisse le long du rail (47) relatif, est pliée approximativement à 180° sur la partie d'extrémité (10) relative.
EP09733773.7A 2008-04-23 2009-04-21 Procédé et machine de formation d'une enveloppe scellée autour d'un article Active EP2282943B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000254A ITBO20080254A1 (it) 2008-04-23 2008-04-23 Metodo e macchina per la realizzazione di un involucro sigillato attorno ad un articolo e confezione cosi ottenuta.
PCT/EP2009/054760 WO2009130227A1 (fr) 2008-04-23 2009-04-21 Procédé et machine de formation d’une enveloppe scellée autour d’un article, et emballage ainsi réalisé

Publications (2)

Publication Number Publication Date
EP2282943A1 EP2282943A1 (fr) 2011-02-16
EP2282943B1 true EP2282943B1 (fr) 2020-01-08

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EP09733773.7A Active EP2282943B1 (fr) 2008-04-23 2009-04-21 Procédé et machine de formation d'une enveloppe scellée autour d'un article

Country Status (8)

Country Link
US (1) US20110120903A1 (fr)
EP (1) EP2282943B1 (fr)
CN (1) CN102066201A (fr)
BR (1) BRPI0907323B1 (fr)
ES (1) ES2776468T3 (fr)
IT (1) ITBO20080254A1 (fr)
RU (1) RU2493061C2 (fr)
WO (1) WO2009130227A1 (fr)

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PL234442B1 (pl) * 2014-03-14 2020-02-28 Gd Spa Opakowanie zawierające paczkę wyrobów tytoniowych oraz owijkę wierzchnią otaczającą paczkę wyrobów tytoniowych
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IT201700093993A1 (it) 2017-08-17 2019-02-17 Gima Tt S P A Metodo per realizzare un incarto ermetico ed incarto ermetico cosi' realizzato

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RU2010147647A (ru) 2012-05-27
WO2009130227A1 (fr) 2009-10-29
ES2776468T3 (es) 2020-07-30
US20110120903A1 (en) 2011-05-26
BRPI0907323B1 (pt) 2020-04-28
ITBO20080254A1 (it) 2009-10-24
RU2493061C2 (ru) 2013-09-20
CN102066201A (zh) 2011-05-18
EP2282943A1 (fr) 2011-02-16
BRPI0907323A2 (pt) 2016-07-26

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