EP0868308B1 - Dispositif pour charger automatiquement un rouleau de papier dans un appareil d'impression et appareil d'impression associe - Google Patents

Dispositif pour charger automatiquement un rouleau de papier dans un appareil d'impression et appareil d'impression associe Download PDF

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Publication number
EP0868308B1
EP0868308B1 EP96940134A EP96940134A EP0868308B1 EP 0868308 B1 EP0868308 B1 EP 0868308B1 EP 96940134 A EP96940134 A EP 96940134A EP 96940134 A EP96940134 A EP 96940134A EP 0868308 B1 EP0868308 B1 EP 0868308B1
Authority
EP
European Patent Office
Prior art keywords
paper roll
sprocket
paper
printing device
movable guide
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
EP96940134A
Other languages
German (de)
English (en)
Other versions
EP0868308A1 (fr
Inventor
Paolo Prevignano
Piero Pace
Emilio Giardino
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.)
Telecom Italia SpA
Olivetti SpA
Original Assignee
Olivetti SpA
Ing C Olivetti and C SpA
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 Olivetti SpA, Ing C Olivetti and C SpA filed Critical Olivetti SpA
Publication of EP0868308A1 publication Critical patent/EP0868308A1/fr
Application granted granted Critical
Publication of EP0868308B1 publication Critical patent/EP0868308B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J15/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in continuous form, e.g. webs
    • B41J15/04—Supporting, feeding, or guiding devices; Mountings for web rolls or spindles
    • B41J15/042—Supporting, feeding, or guiding devices; Mountings for web rolls or spindles for loading rolled-up continuous copy material into printers, e.g. for replacing a used-up paper roll; Point-of-sale printers with openable casings allowing access to the rolled-up continuous copy material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J15/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in continuous form, e.g. webs
    • B41J15/02—Web rolls or spindles; Attaching webs to cores or spindles

Definitions

  • the device according to this invention may be used in all the printing devices that provide a document printed on a medium in the form of a strip wound in a roll, such as a cash slip or a receipt, typically employed in commercial transactions.
  • POS Point Of Sale
  • cash registers cash dispensers or automatic tellers
  • terminals for credit cards etc.
  • POS Point Of Sale
  • paper roll a medium
  • the data in question are generally also recorded on a second paper roll, which remains inside the device and constitutes what is known as the "journal” or a summary of the transactions carried out, designed for use for accounting and/or tax purposes.
  • the paper rolls have a limited duration and therefore need to be substituted regularly, by loading a roll of blank paper in the equipment after opening a door panel and taking out the roll that has been finished or completely filled with data.
  • the loading operation requires insertion in an appropriate housing of the blank roll and manual feeding of the leading edge of the paper strip, fitting it carefully, along a determined path from where it will be taken first to the printer working area and then to a cutter or rewinder, depending on whether the paper roll is the one on which receipts are printed or the one on which the "journal" record is printed.
  • This loading operation is intrinsically rather complicated, on account of the paper path inside the equipment being difficult to get at, with the risk of the paper jamming as a result of not being loaded properly. In addition, it generally has to be done while the customer is waiting to claim his slip, with resultant inconvenience and loss of time.
  • a self-threading journal printer having a drop-in supply station, a printing station and a take-up station;
  • the take-up station comprises a take-up spool including a retainer for interengaging with a lead of the media web to positively draw the web around the spool, and a slot-like exit guide chute that has a contoured tip for cooperating with the retainer on the take-up spol, during loading of a new roll, to place the web lead into engagement with the retainer.
  • Two independent motors are required, one for driving the web through the printer and another for driving the take-up spool, so this solution is not satisfactory under the cost point of view.
  • the object of the present invention is that of defining a device that permits automatic loading of the paper roll for the printing of the "journal" in a printing device, and produces fitting of the leading edge of the strip of paper on the sprocket for automatic rewinding, regardless of position of the sprocket at the start of loading, without any other action on the part of the operator apart from that of inserting in random manner the paper roll in an appropriate housing, thus making the operation simple, reliable and fast, without adding any substantial cost to the printing device.
  • a further object of the invention is that of defining a printing device comprising a device for the automatic loading of a paper roll, as defined earlier.
  • Fig. 1 is a simplified lateral view of a first embodiment of the device 20 for automatic loading of a paper roll in a printing device 10 according to the invention, during the step of loading of a paper roll 30a, consisting of a strip of paper 30b wound counterclockwise on a cylindrical core 30c.
  • the printing device 10 in the example illustrated hereinafter, consists of a printing terminal, connected to a central processing unit (not shown in the figure), for local printing of a cash slip on a paper roll or, alternatively, of a receipt or other document on a single sheet (including, for example, a cheque) simultaneous with the printing of a "journal" on a paper roll.
  • a central processing unit not shown in the figure
  • the example chosen is purely indicative, though by no means restrictive, as the printing device 10 can be a cash register or a Point Of Sale terminal or any printing terminal for the recording of transactions on a paper roll.
  • the printing device 10 comprises, in addition to the device 20, a bottom structure 21 connected with a pair of transversal side plates 22, 23, a casing 24 provided with a door panel 25, a printing module 26 mounted on a sliding carriage 27, a device 28 for feeding of a single sheet.
  • the device 20 for automatic loading of the paper roll 30a is constituted by a plurality of components that will be described below with reference to Figures 1 and 2.
  • the blank paper roll 30a is housed in a housing 31, defined towards the bottom part by a base 32 of essentially semi-circular cross-section belonging to the bottom structure 21, and laterally by the pair of side plates 22, 23.
  • a feed roller 33 Located at the lowermost point of the said base 32 is a feed roller 33, comprised by a shaft 34a rotatingly connected with the pair of side plates 22, 23, whereon a rubber roller 34b has been keyed and which bears, secured at one end, a first gear wheel 35.
  • a lid 8a free to rotate around a pin 48b through the effect of its own weight, rests upon the outer surface of the roll 30a through an arc of roughly 90°, in continuation of the curving profile of the base 32.
  • a deflector 77 pressed resiliently by a spring 59 against the paper roll 30a, possesses at one end a finger-like element 76, which acts as an abutment against the paper roll 30a and is arranged so as to separate the leading edge of the strip of paper 30b from the roll 30a, and a surface 78 with a slightly curving profile arranged according to the extension of the finger 76 so as to act as a guide for the leading edge of the strip of paper 30b.
  • the first gear wheel 35 meshingly engages with a second idle gear wheel 36 (to simplify the figure and the description, all reference has been omitted to the rotation pin of this second gear wheel and of all the subsequent ones, not being essential for understanding of the device to those skilled in the sector art).
  • the second gear wheel 36 receives its motion from a first motion transmission element 37, comprising a third external gear wheel 38a, a third internal gear wheel 38b meshingly engaged with the second gear wheel 36, and a first pulley 50, all integral with each other.
  • the first pulley 50 is linked by a timing belt 51 with a second pulley 52; the first motion transmission element 37 in turn receives its motion from a second motion transmission element 39a, comprising a fourth external gear wheel 39b and a fourth internal gear wheel 39c, meshingly engaging with the third external gear wheel 38a.
  • the fourth external gear wheel 39b meshingly engages with a fifth gear wheel 43 which constitutes the pinion of a motor 41 (which can be of the stepping type or direct current type, for instance); the third internal gear wheel 38b is also engaged with a sixth gear wheel 40, integral with a first feeding roller 53 against which a first counter-rotating roller 54 is resiliently pressed to define a first pair 53, 54 of feeding rollers; the sixth gear wheel 40 in turn meshingly engages with a seventh idle gear wheel 44, in turn meshingly engaged with an eighth gear wheel 45, also integral with a second feeding roller 88 against which a second counter-rotating roller 89 is resiliently pressed to define a second pair of feeding rollers 88, 89.
  • the printing module represented in the figure as a printhead 26, faces a rigid element 81, which acts as a platen if the printhead 26 is of the impact type, thereby defining an intermediate passageway 82 between the first pair of feeding rollers 53, 54 and the second pair 88, 89.
  • a guide 80 also partly facing the rigid element 81 is a guide 80, made of a thin, suitably-shaped metallic sheet.
  • a movable guide 83 on rotation around a pin 85 urged by the action of a pin spring (not shown in the figures), can assume a first alignment position wherein a lower surface 86 thereof closes the passageway 82, or a second alignment position wherein an upper surface 87 thereof is aligned along the passageway 82.
  • the movable guide 83 directs the leading edge of the strip of paper 30b in the direction of the second pair of feeding rollers 88, 89, by way of the lower surface 86, and hence towards a fixed guide 84, of substantially curved shape.
  • the second pulley 52 is linked by a frontal clutch 42 (of the disk type, for example) with a ninth gear wheel 46, which is in turn meshingly engaged with a tenth gear wheel 47; the tenth gear wheel 47 is integral with a rewinding sprocket 60 for rewinding of the strip of paper.
  • the sprocket 60 consists substantially (see Fig. 2) of a cylindrical body 61, having a longitudinal axis around which it is free to rotate and which bears attached perpendicularly to one end a circular flange 55, the outer circumference of which has been provided with a pawl 56 in a given position.
  • the clutch 42 is regulated to transmit a torque to the sprocket 60 and make it rotate around its longitudinal axis, only if the resisting torque offered by the sprocket 60 is lower than a determined maximum value, beyond which the clutch slips and the sprocket's rotational movement ceases.
  • the cylindrical body 61 is provided with a longitudinal slit 57 the purpose of which is to accommodate the leading edge of the strip of paper 30b during automatic loading, so that it passes right through the cylindrical body 61, coming out at the side opposite that at which it entered, in such a way as to attach the strip of paper 30b securely to the rewinding sprocket 60.
  • the entrance to the slit 57 is substantially aligned with the position of the pawl 56.
  • the sprocket 60 is removably inserted in an appropriate seat 63 in the pair of side plates 22, 23, between which it is free to rotate, with its longitudinal axis disposed perpendicular to the side plates 22, 23.
  • the door panel 25 is fastened by a hinge 62, around which it can rotate in order to grant access to the device 20 for automatic loading of the paper roll 30a, and is provided with an actuator arm 70 (see Fig. 3), operation of which will be described in detail below.
  • a lower movable guide 64 is constituted by a substantially rectangular-shape tongue 65a, connected to an arm 66 disposed approximately at right angles thereto, and hinged along a first axis 67 with respect to the pair of side plates 22, 23, and by a tab 65b arranged on the same plane.
  • the guide 64 is resiliently pressed by means of a spiral spring 68 linked to the arm 66 against a stop 69 provided in the side-plate 22, which is in pressing contact with the tab 65b. In this position, one end 71 of the tongue 65a opposite the first axis 67 is aligned with the slit 57 produced in the sprocket 60.
  • An upper movable guide 72 also substantially rectangular in shape and hinged along a second axis 73 with respect to the pair of side plates 22, 23, rests by gravity on the tongue 65a with one end 74 opposite the second axis 73, so as to define in conjunction with the tongue 65a of the lower movable guide 64 a guide area 75 converging in the direction of the slit 57.
  • the leading edge of the strip of paper 30b first enters the passageway 82 and is then deflected by the lower surface 86 of the movable guide 83, which is held in the first alignment position by the action of the pin spring.
  • the lower surface 86 provides guidance for the leading edge of the strip of paper 30b to the second pair of feeding rollers 88, 89.
  • the second pair of feeding rollers 88, 89 then directs the said leading edge first towards the fixed guide 84 and then to the converging guide area 75 between the lower 64 and upper 72 movable guides, and subsequently to the slit 57 in the sprocket 60, which has in the meantime been brought into the correct alignment position, as earlier described.
  • the operator has only to check that the leading edge of the strip of paper 30b, going through the slit 57, passes right through the cylindrical body 61 so as to be fixed correctly in place, and then, this done, put an end to the loading operation, for example by pressing a second time the same button as used to start the loading operation, and close the door panel 25.
  • Closing of the door panel 25 lowers the actuating arm 70 which presses on the tongue 65a pushing the tab 65b away from the stop 69, in contrast with the contrary force exerted by the spring 68; the removal of the tongue 65a and consequently of the tab 65b from the stop 69 also frees the pawl 56 of the sprocket 60.
  • the rewinder sprocket 60 will also be able to rotate for rewinding of the paper, thereby maintaining under a tension, the value of which is determined by the characteristics of the slip clutch 42, that part of the strip of paper 30b that is downstream of the second pair of feeding rollers 88, 89.
  • FIG. 4 A second embodiment will now be described of a device 120 for the automatic loading of a paper roll in a printing device 110 according to the invention, a simplified lateral view whereof is shown in Fig. 4, wherein like numbers to those of Fig.1 are used to indicate like elements.
  • This second embodiment concerns a printing device 110 comprising a paper roll 30a for the printing of receipts only, wherein the printed area of the strip of paper 30b must be removed from the printing device 110, cut and given to a customer, unlike the printing device 10 of the previous example, in which the "journal" was printed and the strip of paper 30b rewound after printing.
  • the printing device 110 lacks therefore that part of the device needed for rewinding of the strip of paper 30b after printing, but instead possesses a cutter 90, of known type, arranged downstream of the second pair of feeding rollers 88, 89; additionally the movable guide 183 possesses a lower surface 186 which conveys the strip of paper to a slot 91 provided in the casing 24 from where it may be taken by the operator after cutting, instead of to the fixed guide 84.
  • this second embodiment is similar to that already illustrated for the first embodiment (obviously without the operation of inserting the rewinder sprocket) up to where the leading edge of the strip of paper reached the point where it is gripped by the second pair of feeding rollers 88, 89.
  • the lower surface 186 of the movable guide 183 conveys the leading edge of the strip of paper to the slot 91, while the cutter 90 sees to it that the strip of paper is cut at the end of printing.
  • a printhead not based on the impact technology may be used, examples being an ink jet or thermal type printhead.
  • the device of the invention may be used for the automatic loading of a medium constituted (instead of by a strip of paper) by a strip of limited thickness of a flexible material wound around a core to form a roll, such as for example an ink ribbon for use in an impact or thermal transfer type printer, or a plastic tape for use in an embossing type labelling machine, or a magnetic ribbon for use in a magnetic reproduction/recording device.
  • a medium constituted (instead of by a strip of paper) by a strip of limited thickness of a flexible material wound around a core to form a roll
  • a medium constituted (instead of by a strip of paper) by a strip of limited thickness of a flexible material wound around a core to form a roll
  • a medium constituted (instead of by a strip of paper) by a strip of limited thickness of a flexible material wound around a core to form a roll
  • an ink ribbon for use in an impact or thermal transfer type printer
  • a plastic tape for use in an

Landscapes

  • Unwinding Webs (AREA)
  • Replacement Of Web Rolls (AREA)
  • Handling Of Sheets (AREA)

Claims (12)

  1. Dispositif pour le chargement automatique d'un rouleau de papier (30a) dans un dispositif d'impression (10), ledit dispositif d'impression comprenant un boítier (24) équipé d'un panneau de porte (25) permettant d'accéder à un logement (31) dans lequel ledit rouleau de papier (30a) est chargé, ledit dispositif comprenant :
    un moyen de guidage (77, 80, 83, 84, 64, 72) pour guider ledit papier le long d'un premier trajet,
    un moyen de réenroulement pour réenrouler ledit rouleau de papier, ledit moyen de réenroulement comprenant un pignon (60) ayant un corps sensiblement cylindrique (61) avec une fente longitudinale (57) adapté pour prendre en charge ledit papier et un axe de rotation longitudinal ;
    un moyen d'entraínement (41) pour entraíner sélectivement ledit moyen de chargement et ledit moyen de réenroulement ; et
    un moyen de transmission de mouvement sélectif pour transmettre sélectivement un mouvement dudit moyen d'entraínement (41) audit pignon (60) pour faire tourner ledit pignon autour dudit axe de rotation longitudinal,
       caractérisé en ce que ledit moyen de guidage comprend un premier guide mobile (64) appuyé élastiquement contre un arrêt (69) dans une position de travail de manière à créer une zone guide (75), et en ce que ledit pignon (60) comprend également un rebord sensiblement circulaire (55) dont le bord extérieur est formé de manière à former un cliquet (56), ledit cliquet, lorsque ledit pignon tourne autour dudit axe de rotation longitudinal à partir d'une position de départ quelconque, étant adapté pour venir en contact avec ledit premier guide mobile (64) dans une position finale dans laquelle ladite fente (57) est disposée dans la direction et alignée avec ladite zone guide (75) lorsque ledit premier guide mobile (64) est dans ladite position de travail, de manière que ledit papier transporté vers l'avant par ledit moyen de chargement le long de ladite zone guide soit inséré dans ladite fente.
  2. Dispositif selon la revendication 1, dans lequel ledit panneau de porte (25) peut tourner autour d'une charnière d'une position ouverte vers une position fermée, caractérisé en ce que ledit panneau de porte (25) comprend un bras de commande (70), et en ce que ledit bras de commande retire ledit premier guide mobile (64) dudit arrêt (69) lorsque ledit panneau de porte est tourné vers ladite position fermée, en déplaçant ledit premier guide mobile de ladite position de travail vers une position d'attente, dans laquelle ledit cliquet (56) dudit rebord (55) dudit pignon (60) n'est plus capable de venir en contact avec ledit premier guide mobile lorsque ledit pignon tourne autour dudit axe de rotation longitudinal.
  3. Dispositif selon la revendication 1 ou la revendication 2, caractérisé en ce que ledit moyen de transmission de mouvement sélectif comprend un embrayage (42) placé entre ledit moyen d'entrainement (41) et ledit pignon (60) pour transmettre un couple inférieur à une valeur maximale, de sorte que ledit pignon peut tourner uniquement s'il possède une valeur de couple inférieur à ladite valeur maximale.
  4. Dispositif selon la revendication 3, caractérisé en ce que, lorsque ledit cliquet (56) entre en contact avec ledit premier guide mobile (64) appuyé de manière élastique contre ledit arrêt (69) dans ladite position de travail, ledit couple de résistance est supérieur à ladite valeur maximale, provoquant le glissement dudit cliquet (42) et l'arrêt consécutif de la rotation dudit pignon, de sorte que ledit pignon s'arrête dans ladite position finale.
  5. Dispositif selon l'une quelconque des revendications précédentes, dans lequel ledit dispositif d'impression (10) comprend une structure de fond (21) et une paire de plaques latérales (22, 23) perpendiculaires à ladite structure de fond, qui définissent ledit logement (31) pour ledit rouleau de papier (30a), caractérisé en ce que ledit logement comprend une base courbée (32) au centre de laquelle se trouve un rouleau de transport (33) sur lequel ledit rouleau de papier appuie de tout son poids, de sorte que la rotation dudit rouleau de transport est capable de déterminer une rotation de compteur proportionnelle dudit rouleau de papier.
  6. Dispositif selon la revendication 5, caractérisé en ce qu'il comprend également un déflecteur mobile (77) comprenant un élément de type doigt (76) à une extrémité, appuyé élastiquement contre ledit rouleau de papier (30a) dans une position en amont dudit rouleau de transport (33), de sorte qu'au moyen d'une coopération avec ledit rouleau de transport il est capable de dérouler ledit rouleau de papier.
  7. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que ledit dispositif d'impression (10) comprend également une coupeuse (90) pour couper ledit papier dudit rouleau de papier (30a).
  8. Dispositif selon l'une quelconque des revendications précédentes, dans lequel ledit dispositif d'impression (10) comprend également une tête d'impression (26), caractérisé en ce que ladite tête d'impression est du type à aiguilles.
  9. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que ledit dispositif d'impression (10) comprend également un dispositif (28) pour transporter une feuille simple le long d'un second trajet.
  10. Dispositif selon la revendication 9, caractérisé en ce que ledit second trajet de ladite feuille simple coïncide partiellement avec ledit premier trajet défini par ledit rouleau de papier (30a).
  11. Dispositif selon la revendication 9 ou la revendication 10, caractérisé en ce que ledit dispositif d'impression (10) comprend également un second guide mobile (83) comprenant une surface supérieure (87) et une surface inférieure (86), et en ce que le second guide mobile peut prendre sélectivement une première position pour guider ledit rouleau de papier avec ladite surface inférieure (86), et une seconde position pour guider ladite feuille simple avec ladite surface supérieure (87).
  12. Dispositif d'impression (10) pour imprimer sur un rouleau de papier (30a), caractérisé en ce qu'il comprend un dispositif (20) pour le chargement automatique dudit rouleau de papier selon l'une quelconque des revendications précédentes.
EP96940134A 1995-12-18 1996-11-28 Dispositif pour charger automatiquement un rouleau de papier dans un appareil d'impression et appareil d'impression associe Expired - Lifetime EP0868308B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITTO951019 1995-12-18
IT95TO001019A IT1281083B1 (it) 1995-12-18 1995-12-18 Dispositivo per il caricamento automatico di un rullino di carta in una apparecchiatura di stampa e relativa apparecchiatura di stampa.
PCT/IT1996/000233 WO1997022477A1 (fr) 1995-12-18 1996-11-28 Dispositif pour charger automatiquement un rouleau de papier dansun appareil d'impression et appareil d'impression associe

Publications (2)

Publication Number Publication Date
EP0868308A1 EP0868308A1 (fr) 1998-10-07
EP0868308B1 true EP0868308B1 (fr) 2002-06-05

Family

ID=11414038

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96940134A Expired - Lifetime EP0868308B1 (fr) 1995-12-18 1996-11-28 Dispositif pour charger automatiquement un rouleau de papier dans un appareil d'impression et appareil d'impression associe

Country Status (6)

Country Link
EP (1) EP0868308B1 (fr)
AU (1) AU7710196A (fr)
DE (2) DE69621643T4 (fr)
ES (1) ES2177819T3 (fr)
IT (1) IT1281083B1 (fr)
WO (1) WO1997022477A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7217049B2 (en) 2004-01-21 2007-05-15 Silverbrook Research Pty Ltd Supplying media to a wallpaper printer
US10434800B1 (en) 2018-05-17 2019-10-08 Datamax-O'neil Corporation Printer roll feed mechanism

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3721922A1 (de) * 1986-07-08 1988-01-21 Minolta Camera Kk Aufwickelvorrichtung fuer bandfoermiges material, insbesondere fuer bandfoermige aufzeichnungstraeger aus film, papier u. dgl.
JPH0665575B2 (ja) * 1987-09-01 1994-08-24 沖電気工業株式会社 伝票発行装置
US5189444A (en) * 1990-09-10 1993-02-23 Matsushita Graphic Communication Systems, Inc. Automatic roll-in take-up reel and multi-color image recording apparatus using the same
US5213276A (en) * 1991-05-28 1993-05-25 Ncr Corporation Self-threading journal printer

Also Published As

Publication number Publication date
EP0868308A1 (fr) 1998-10-07
ITTO951019A0 (it) 1995-12-18
AU7710196A (en) 1997-07-14
ITTO951019A1 (it) 1997-06-18
WO1997022477A1 (fr) 1997-06-26
DE69621643D1 (de) 2002-07-11
DE69621643T4 (de) 2003-10-30
ES2177819T3 (es) 2002-12-16
DE69621643T2 (de) 2003-02-13
IT1281083B1 (it) 1998-02-11

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