EP1633633B1 - Machine servant a executer la fermeture superieure d'un sac a fond plat concu pour des produits faiblement dimensionnes - Google Patents

Machine servant a executer la fermeture superieure d'un sac a fond plat concu pour des produits faiblement dimensionnes Download PDF

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Publication number
EP1633633B1
EP1633633B1 EP04734684A EP04734684A EP1633633B1 EP 1633633 B1 EP1633633 B1 EP 1633633B1 EP 04734684 A EP04734684 A EP 04734684A EP 04734684 A EP04734684 A EP 04734684A EP 1633633 B1 EP1633633 B1 EP 1633633B1
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EP
European Patent Office
Prior art keywords
bag
machine according
station
flap
flaps
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.)
Expired - Lifetime
Application number
EP04734684A
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German (de)
English (en)
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EP1633633A1 (fr
Inventor
Paolo Vezzani
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Altopack SpA
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Altopack SpA
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Publication date
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Publication of EP1633633A1 publication Critical patent/EP1633633A1/fr
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Publication of EP1633633B1 publication Critical patent/EP1633633B1/fr
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Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B65B51/04—Applying separate sealing or securing members, e.g. clips
    • B65B51/06—Applying adhesive tape
    • B65B51/062—Applying adhesive tape to the mouths of bags
    • 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
    • B65B51/146—Closing bags

Definitions

  • the present invention refers to a machine for completing the upper closure of a flat-bottomed bag for small-sized products.
  • Packing machines are known that are used in particular in the food sector, and which enclose various small-sized products, such as short pasta, beans, chick peas, etc., inside a wrapping of flexible and transparent material, usually polypropylene.
  • Document EP-A-0 388 310 discloses a machine according to the preamble of claim 1.
  • This machine comprises a pair of heat sealing pincers fitted with cutting blade, that can be controlled to carry out a substantially D path in which, starting from a raised and shifted position, the pincers are transversally brought closer and engaged together to execute parallel horizontal lines of heat sealing of opposite flaps of a tubular wrapping which is made to descend vertically, then they are moved vertically, while still in the close position and mutually engaged position, for a section of the descent path of said tubular wrapping to carry out a double transversal sealing and an intermediate cutting of the tubular wrapping, and finally are brought back to said raised and shifted position.
  • the machine also comprises two pairs of lances which, moving toward each other in a perpendicular direction to said descent path of the tubular wrapping and to the path bringing the heat sealing pincers closer in synchronism with their movement, cause the formation of side pockets inside said wrapping just above and below said heat sealing lines
  • bag packs are produced in which, immediately above the lower sealing, two pockets of side recesses are present that permit the formation of a flat bottom suitable for the pack to be placed steadily on a shelf or on the shelf of a piece of furniture
  • the bag leaves the above-mentioned machine with the bottom perfectly closed but with the top having an opening, which is then used to extract the air from inside the bag before finally closing it.
  • the object of the present invention is to produce a machine capable of expelling the air from inside the bag and then completing the closure
  • a finished bag is thus obtained which is perfectly closed and ready for distribution.
  • a conveying unit 1 which provides for the continuous feeding of bags filled with product, with bottom completely closed, that leave a packing machine of the type described in the above-mentioned patent application.
  • the conveying unit 1 comprises a base framework 2 that supports a surface 3 for the bags and a pair of conveyor chains 4 fitted with dowels 5 for the support of respective pushers 6.
  • the surface 3 is supported by a mobile structure 14, which can be made to vibrate by a motor 38, that commands a plate 82, and can be adjusted in a vertical direction thanks to hoisting organs 7, controlled by a motor 8, which move the structure 14 upwards and downwards.
  • a hoisting organ 7 is connected directly to the motor 8 while the other hoisting organ 7 is connected to the same motor 8 by means of a transmission shaft 9.
  • the chains 4 are extended between two cogwheels 12 held so that they revolve by support surfaces 13.
  • the rotary movement of the cogwheels 12 is commanded by a motor 15 by means of a couple of transmissions 16 better shown in Figure 4.
  • the transmissions 16 comprise rods 23 connected, by means of pin joints 24, above to supports 25 of the cogwheels 12, below to bevel gear pairs 73 that receive the motion from the motor 15 and are connected to each other by a transmission comprising cogwheels 27 and a chain 26.
  • the distance between the two chains 4 can be adjusted by means of two mechanisms 10 and 11, the second of which is shown in Figure 3 and comprises support blocks 17 of the support surfaces 13 of the chains 4 that can be brought closer along a revolving bar 18, put into rotation by a motor 19 by means of a chain transmission 20 extended between cogwheels 77-78.
  • Said revolving bar 18, having two inversely threaded portions 21, is held by a plate 22 fastened to the base framework 2.
  • FIG. 1 A similar mechanism 10 is shown in turn in Figures 1 and 5, where a chain 28 can be seen that connects cogwheels 29-30.
  • Said wheel 30 is splined on a revolving bar 31, having two inversely threaded portions 32, which enables support blocks 74 the same as the support blocks 17 of Figure 31 to be brought closer and to be moved away.
  • the mechanisms 10-11 are synchronised by means of the chain 28 that connects the cogwheels 30 and 78 to each other, enabling the rotation.
  • the chain 28 runs longitudinally beside the shaft 9, as its path is imposed by service wheels 29 and 79-81 ( Figure 1).
  • a frame 42 supports a series of the mechanisms suited to imparting three basic movements for emptying the bag (intended as expulsion of the air inside it), whose partially sealed flaps 137 are held in position by straighteners 44 supported by manually adjustable bars 60 in one with said frame 42 ( Figures 11 and 12).
  • a first movement is represented by a transversal motion of bag forming lances 55, that is induced by a motor 53 ( Figures 8, 9 and 11) that puts a belt 56 extended between wheels 55 into movement.
  • Mobile equipment 57 in one with said belt 56, runs along guides 58 transversally conveying a block 85 rigidly anchored to the same equipment 57 by means of plates 86-87.
  • Said block 85 is connected to the bag forming lances 55 by means of arms 49 and support rods 47, so as to transmit to the lances themselves the motion imparted by the motor 53 and to determine their movement in a transversal direction in relation to that of feeding of the bags on the support surface 3.
  • the block 85 supports a motor 51 that makes a belt 48 extended between wheels 50 move and which is rigidly anchored to mobile equipment 70, which pulls in an opposite motion the arms 49 in one with it.
  • Flap emptying blocks 45 are in turn movable in a transversal direction by means of mobile equipment 63 by means of arms 43 and plates 59.
  • a motor 62 commands a belt 68 that is extended between wheels 65 and pulls said mobile equipment 63 along guides 64 ( Figures 9-12) in an opposite motion.
  • a guide 46 ( Figures 6, 8 and 9) is placed finally in continuation of the straighteners 44.
  • a frame 106 ( Figure 14) supports a motor 93 ( Figures 14 and 16) by means of a block 107, which commands the rotation of an eccentric cam 99, to which an end of a piston rod 110 is connected, whose other end is connected by pin joint to a block 111 that is supported so that it can slide by a block 101 and supports a rear pincer 91 with electrical resistance.
  • Two holes 123 ( Figures 16 and 17), made in a support block 103 in one with the block 101, act as guides for the block 111 by means of bars 124 rigidly anchored to said block 111 by means of supports 125.
  • a further block 108 ( Figure 16 e 17) is secured to the same block 101, and comprises a handle 98, securing levers 97, a front pincer 90 with electrical resistance and a hydraulic cylinder 92 which thanks to a piston 126 permits the transversal motion of a knife 102 inside the pincer 90.
  • a hydraulically commanded mechanism 109 ( Figure 15) guarantees double movement to pins 95, supported by a plate 122:
  • Plates 104-105 connect the sealing/cutting zone with a suction hopper 96. As visible in Figure 17, the plate 104 provides for vertical cuts 112 in which the pins 95 can be inserted and can slide vertically.
  • a motor 94 commands the rise/descent of the frame 106 by means of a conical transmission 127 that makes a rod 128 rise/descend by means of a screw-lead screw coupling 129.
  • a hinge 130 transmits the vertical motion of said rod 128 to the frame 106.
  • the height of the station 200 is defined by a millimetre ruler 95 ( Figure 13).
  • a frame 130 ( Figures 18 and 22) supports a block 131 by means of a plate 132, that, by means of a plate 133, supports an arm 134 and a pair of hydraulic cylinders 135 and 158 ( Figure 21) connected to each other by means of a prismatic block 159.
  • a fold pressing bar 136 is secured to a plate 139 in one with the piston of the hydraulic cylinder 135 and faces an abutment 138 supported by said arm 134 ( Figure 23).
  • the block 131 also supports a fold guide hydraulic cylinder 140 ( Figures 19-20) that commands the descent/rise of a fold guide 141 by means of a plate 117.
  • a second hydraulic cylinder 142 can also be seen, rigidly anchored to the frame 131, which, by means of a piston 143, moves a blade holder block 144 which supports a folding blade 145, in front of which a flap draft is placed 157 ( Figure 19).
  • Said block 131 finally supports a screw-lead screw mechanism 146 that can be manually commanded by means of steering wheel 147.
  • Mobile equipment 148 that rises/descends along a threaded stem 149, adjusts the vertical position of a flap folding plate 150 secured to a plate 151.
  • said share 150 presents a vertical entrance 160 ( Figure 24) and a horizontal exit 161 ( Figure 25) connected to each other by a fissure 162 that gradually descends and rotates from left to right, as shown in Figures 18 and 21.
  • a motor 152 ( Figures 18 and 22) commands the vertical motion of the frame 130 by means of a rod 153, hinged to said frame 130, that rises/descends thanks to a screw-lead screw coupling 154 and to a conical transmission 155.
  • a frame 170 supports a driven gear 171 that supports a reel 172 around which a tape 179 is wound that carries a succession of adhesive labels 173.
  • a series of guide rollers 174 defines the path followed by said tape 179, which, once the labels have been removed, finishes its path winding onto a reel 175 in one with a driving wheel 176 supported by the frame 170.
  • the machine described above is designated to carry out final sealing operations on bags 156 full of various sized products, that are presented as shown in Figure 27, which is completely closed at the bottom and presents in the upper part a pair of coinciding flaps 137 partially sealed to each other with an in-between unsealed zone 162.
  • Two side pockets 163 are provided for below the sealed zones of the flaps 137.
  • the various bags 156 are positioned in succession on the surface 3 between respective pairs of pushers 6 of the two chains 4 and are made advance by these intermittently from left to right looking at Figures 1 and 2 with the upper flaps 137 directed longitudinally.
  • the machine has been previously adapted to the dimensions of the bags adjusting the motor 8 to regulate the height of the surface 3, on the motor 19 to regulate the distance of the support surfaces 13 of the chains 4 and on the motor 39 to regulate the phase shift of the same support surfaces 13.
  • each bag 156 first enters the station 100 ( Figures 6-12), whose vertical position is adjusted by the motor 71. With the partially sealed flaps 137 guided by the straighteners 44 the bag forming lances 55, initially in the rest position ( Figure 8), are, first of all, moved transversally towards the work zone, then they are longitudinally brought closer until they enter the side pockets 163 ( Figure 9).
  • the motors 53 and 62 command the above-mentioned transversal and longitudinal motion respectively.
  • the air present in the upper part of the bag is forced out through the opening 162 by the flap emptying blocks 45 which, commanded by the motor 62, press the bag 156 in the above-mentioned upper part without product.
  • the flap emptying blocks 45 move away again and the lances 55 return to the rest position to enable the bag 156 to leave the first station 100.
  • the chains 4 then convey the bag 156 with the flaps 137 in the guide 46 up to the second station 200 ( Figures 13-17) where the pincers 90-91 ( Figures 14-17) are made to press on a rectangular strip 178 of the upper part of the bag 156, below the partially sealed flaps 137. While the position of the pincer 90 is adjusted manually (una tantum) by means of the handle 98 and the securing levers 97, the pincer 91 moves transversally commanded by the motor 93. The strip 178 pressed by the pincers 90-91 is then sealed according to two longitudinal strips, one above and one below the cutting line of the knife 102 (figure 16-17), which comes out of the front pincer 90 moved by the hydraulic cylinder 92.
  • the pins 95 ( Figures 15 and 17), moving transversally thanks to the hydraulic cylinder 121, pierce the part of the cut bag, and, once the rear pincer 91 has moved away, pull said cut part upwards, moved by the hydraulic cylinder 89, and then again backwards, moved by the cylinder 121, so that the cut part of the bag comes up against the plate 104 which, by interference, causes it to be released.
  • the suction hopper 96 eliminates the cut part.
  • Figure 28 shows the bag at the exit of the second station 200: the upper part of the bag comprising the partially sealed flaps 137 and the unsealed zone 162 has been removed, while a strip 178 below has been sealed.
  • the bag 156 moves towards the third station 300.
  • the combined action of the folding blade 145, of the flap draft 157, of the fold guide 141 and of the abutment 138 enable a corner of about 120° of the upper part 177 of the sealed fold 178 to be folded.
  • the above-mentioned upper part 177 of the flap 178 is pressed against the remaining part of the flap itself by the fold pressing bar 136 ( Figure 23) pushed transversally by the hydraulic piston 135, so that the two parts of the flap 178 can enter the vertical input fissure 160 (Figure 24) of the share 150, suitably positioned thanks to the screw-lead screw mechanism 146 that positions it vertically.
  • the progressive angular variation of the fissure 160 ( Figures 18 and 21) in the direction of the movement of the bag 156 enables the flap 178 to be rotated a further 90° and to thus leave the station 300 in a horizontal position ( Figure 25), ready to be labelled.
  • Figure 29 shows the bag 156 at the exit of the machine: it presents the sealed flap 178, folded and positioned horizontally, that is held in this position thanks to an adhesive label 173.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Making Paper Articles (AREA)
  • Package Closures (AREA)
  • Bag Frames (AREA)

Claims (20)

  1. Machine comprenant un convoyeur (1) de sacs (156) et une suite de postes (100, 200, 300 et 400) disposés sur un trajet de travail sensiblement horizontal défini par ledit convoyeur (1), un premier poste (1) comprenant un moyen (45) pour expulser de l'air de l'intérieur d'un sac (156) à rabats supérieurs partiellement soudés (137), un deuxième poste (200) comprenant des moyens de thermosoudage (90-91) pour effectuer le soudage complet des rabats opposés (178) du haut du sac, un moyen coupant (102) pour séparer du sac (156) un excédent desdits rabats (178) au-dessus desdits moyens de scellement et de récupération (95-96) pour emporter ledit excédent, un troisième poste (300) comprenant des moyens de pliage (136, 138, 141, 145, 150, 157) pour plier latéralement les rabats soudés (178) du haut du sac et un quatrième poste (400) comprenant un moyen pour immobiliser lesdits rabats pliés (178),
    ledit convoyeur (1) comportant une surface de support (3) pour le sac (156) et une paire de chaînes (4) munies de pousseurs (6) pour faire avancer ledit sac (156) sur ladite surface de support (3),
    les chaînes (4) étant supportées par des surfaces de support (13) et se déplaçant longitudinalement sous l'action d'un moteur (15),
    caractérisée en ce que ladite surface de support (3) peut être déplacée verticalement grâce à un moteur de commande (8).
  2. Machine selon la revendication 1, caractérisée en ce que les surfaces de support (13) peuvent être déplacées transversalement et longitudinalement l'une par rapport à l'autre respectivement à l'aide de moteurs (19 et 39).
  3. Machine selon la revendication 1, caractérisée en ce que le premier poste (100) comporte des redresseurs (44) de rabats, des pointes (55) de mise en forme de sac et des blocs (45) de vidage de rabats.
  4. Machine selon la revendication 3, caractérisée en ce que lesdites pointes (55) de mise en forme de sacs peuvent passer d'une position de repos à une position active, et inversement, grâce à un double mouvement, un mouvement transversal de rapprochement sous l'action d'un premier moteur (53) et un mouvement longitudinal de travail sous l'action d'un second moteur (51).
  5. Machine selon la revendication 3, caractérisée en ce que les blocs (45) de vidage de rabats peuvent être déplacés transversalement par rapport audit trajet de travail, sous l'action d'un moteur (62).
  6. Machine selon la revendication 1, caractérisée en ce que les moyens de thermosoudage (90-91) du deuxième poste (200) sont constitués par des moyens de pincement (90-91) à résistance électrique,
    un premier moyen de pincement restant dans une position fixe réglable tandis qu'un second moyen de pincement (91) peut être déplacé transversalement sous l'action du moteur (93).
  7. Machine selon la revendication 1, caractérisée en ce que lesdits moyens de récupération (95, 96) du deuxième poste (200) sont constitués par des griffes (95) qui peuvent venir au contact dudit excédent sectionné du sac (156).
  8. Machine selon la revendication 7, caractérisée en ce qu'elle comprend un mécanisme (109) pour faire passer lesdites griffes (95) d'une position de repos dans laquelle elles n'interviennent pas sur le mouvement de progression du sac (156) à une suite de positions actives permettant de retirer ledit excédent du sac (156).
  9. Machine selon la revendication 8, caractérisée en ce que ledit mécanisme (109) est constitué par des vérins hydrauliques (89 et 121) qui commandent respectivement un mouvement vertical et un mouvement transversal desdites griffes (95).
  10. Machine selon l'une quelconque des revendications 7 à 9, caractérisée en ce que lesdits moyens de récupération (95, 96) comportent également une hotte aspirante (96) placée au-dessus desdites griffes (95).
  11. Machine selon la revendication 10, caractérisée en ce que ladite hotte (96) supporte une plaque (104) qui, au cours de la phase de montée et de recul des griffes (95), retire par interférence ledit excédent, lequel est aspiré vers le haut par la hotte (96).
  12. Machine selon la revendication 1, caractérisée en ce que lesdits moyens de pliage (136, 138, 141, 145, 150, 157) du troisième poste sont conçus pour réaliser le pliage progressif du rabat scellé (178) par-dessus le haut du sac (156).
  13. Machine selon la revendication 12, caractérisée en ce que lesdits moyens de pliage (136, 138, 141, 145, 150, 157) comportent une lame de pliage (145), un guide de pliage (141) et une butée (138) qui amènent le rabat (178) à effectuer une première rotation d'environ 120°.
  14. Machine selon la revendication 12 ou 13, caractérisée en ce que lesdits moyens de pliage (136, 138, 141, 145, 150, 157) comportent également une barre de compression (136) de pli poussée transversalement par un piston hydraulique (135), qui appuie la partie pliée du rabat scellé (178) contre le reste du rabat lui-même.
  15. Machine selon la revendication 14, caractérisée en ce que lesdits moyens de pliage (136, 138, 141, 145, 150, 157) comportent également un séparateur (150) pourvu d'une fissure verticale (160) pour l'introduction du rabat scellé et plié (178) et un passage interne (162) prédéfini en fonction du pliage requis.
  16. Machine selon la revendication 15, caractérisée en ce que ledit passage du séparateur (150) a une inclinaison qui varie dans la direction du mouvement de montée du sac (156) jusqu'à une fente de sortie (161) ménagée horizontalement sur le bord droit.
  17. Machine selon la revendication 1, caractérisée en ce que ledit quatrième poste (400) comporte un bâti (170) qui supporte un pignon mené (171), une roue motrice (176) et une série de galets de guidage (174) pour le déplacement d'un ruban (178) qui porte une série d'étiquettes adhésives (173) pouvant être apposées sur le rabat supérieur plié (178) du sac (156).
  18. Machine selon la revendication 17, caractérisée en ce que le pignon mené (171) supporte une bobine (172) depuis laquelle se déroule ledit ruban (178).
  19. Machine selon la revendication 18, caractérisée en ce que la série de galets de guidage (174) définit le trajet suivi par ledit ruban (178) depuis ladite bobine (172) du pignon mené jusqu'à une bobine (175) faisant corps avec roue motrice (176).
  20. Machine selon la revendication 19, caractérisée en ce que ledit trajet du ruban (178) est conçu de façon que lesdites étiquettes (173) interfèrent avec le mouvement du haut du sac (156), en se détachant du ruban (178) et en adhérant au haut du sac (156) afin de garantir que le rabat (178) reste plié.
EP04734684A 2003-05-30 2004-05-25 Machine servant a executer la fermeture superieure d'un sac a fond plat concu pour des produits faiblement dimensionnes Expired - Lifetime EP1633633B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT001088A ITMI20031088A1 (it) 2003-05-30 2003-05-30 Macchina per il completamento della chiusura superiore di un sacchetto a fondo piano per prodotti di piccola pezzatura
PCT/EP2004/005623 WO2004106167A1 (fr) 2003-05-30 2004-05-25 Machine servant a executer la fermeture superieure d'un sac a fond plat concu pour des produits faiblement dimensionnes

Publications (2)

Publication Number Publication Date
EP1633633A1 EP1633633A1 (fr) 2006-03-15
EP1633633B1 true EP1633633B1 (fr) 2007-08-01

Family

ID=30131112

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04734684A Expired - Lifetime EP1633633B1 (fr) 2003-05-30 2004-05-25 Machine servant a executer la fermeture superieure d'un sac a fond plat concu pour des produits faiblement dimensionnes

Country Status (7)

Country Link
EP (1) EP1633633B1 (fr)
AT (1) ATE368617T1 (fr)
BR (1) BRPI0411192B1 (fr)
DE (1) DE602004007918D1 (fr)
ES (1) ES2291879T3 (fr)
IT (1) ITMI20031088A1 (fr)
WO (1) WO2004106167A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE502006001188D1 (de) * 2006-02-10 2008-09-04 Teepack Spezialmaschinen Verfahren zum Abpacken von Schüttgut und eine hierbei zum Einsatz kommende Vorrichtung
CN105501557B (zh) * 2016-01-07 2019-03-29 上海东富龙科技股份有限公司 一种非pvc软袋尾部灌装跟随封口装置
CN106379606B (zh) * 2016-11-25 2018-11-02 华文食品股份有限公司 一种豆干包装袋专用密封装置
IT201600129829A1 (it) * 2016-12-22 2018-06-22 Altopack Spa Apparato per la formazione della testa di sacchetti per alimenti.
IT201600129946A1 (it) * 2016-12-22 2018-06-22 Altopack Spa Macchina per il confezionamento di sacchetti per alimenti.
CN110775343A (zh) * 2019-11-04 2020-02-11 江苏盐渎百鸣农业有限公司 一种水产品加工用包装袋自动封口装置
CN111645963A (zh) * 2020-04-20 2020-09-11 徐翠翠 一种纸箱加工用便于调节高度的打包整平装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2644438B1 (fr) * 1989-03-17 1991-07-12 Fichaux Sa Ets Paquet realisant l'emballage d'un produit alimentaire, procede et installation pour sa fabrication
DE10218165A1 (de) * 2002-04-23 2003-11-20 Rovema Gmbh Verfahren und Vorrichtung zur Förderung von Verpackungen

Also Published As

Publication number Publication date
ATE368617T1 (de) 2007-08-15
WO2004106167A1 (fr) 2004-12-09
ITMI20031088A0 (it) 2003-05-30
EP1633633A1 (fr) 2006-03-15
ES2291879T3 (es) 2008-03-01
BRPI0411192B1 (pt) 2014-11-18
BRPI0411192A (pt) 2006-07-25
ITMI20031088A1 (it) 2004-11-30
DE602004007918D1 (de) 2007-09-13

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