EP0654004B1 - Appareil destine a appliquer de l'adhesif sur un rouleau d'une bande enroulee dans une machine enrouleuse - Google Patents

Appareil destine a appliquer de l'adhesif sur un rouleau d'une bande enroulee dans une machine enrouleuse Download PDF

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Publication number
EP0654004B1
EP0654004B1 EP93919903A EP93919903A EP0654004B1 EP 0654004 B1 EP0654004 B1 EP 0654004B1 EP 93919903 A EP93919903 A EP 93919903A EP 93919903 A EP93919903 A EP 93919903A EP 0654004 B1 EP0654004 B1 EP 0654004B1
Authority
EP
European Patent Office
Prior art keywords
web
wound
roll
adhesive
working
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
EP93919903A
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German (de)
English (en)
Other versions
EP0654004A1 (fr
Inventor
G. Walter DÖRFEL
Michael Taxis
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.)
Beloit Technologies Inc
Original Assignee
Beloit Technologies Inc
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 Beloit Technologies Inc filed Critical Beloit Technologies Inc
Publication of EP0654004A1 publication Critical patent/EP0654004A1/fr
Application granted granted Critical
Publication of EP0654004B1 publication Critical patent/EP0654004B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/29—Securing the trailing end of the wound web to the web roll

Definitions

  • This invention relates to the continuous formation of successive wound web rolls, such as paper, of a predetermined diameter from a traveling, substantially continuous web. More particularly, this invention relates to apparatus for applying an adhesive to an area of the web slightly downstream of where the web has been, or will be, severed to provide the length of web to produce the desired diameter of the wound web roll. Still more particularly, this invention relates to apparatus for automatically applying either a stripe of glue, or an adhesive tape, circumferentially about the peripheral surface of the wound web roll to attach the last wrap of the web about the finished wound roll. The apparatus for accomplishing this task operates without human intervention.
  • the trailing severed end of the web is typically attached to the wound roll by manually applying one or more spots of glue, or a length of adhesive tape which might be either two-sided, or one-sided, and applied either beneath the last layer of web or against the outer edge of the severed web.
  • Applicators for applying either glue or tape manually in this manner are commercially available.
  • An advantage of this invention is that it provides apparatus for uniformly applying an adhesive to the web near the end of the winding of a finished wound roll (such as, for example, the second to last turn of the web) to adhere the trailing portion of the web to the wound web roll. All this can be accomplished without requiring a human to come close to the moving machinery and rotating wound web roll, and without requiring the roll being wound to be stopped to have the trailing web attached.
  • a tape fixing auxiliary roller 7 is actuatable to cooperate with a belt-like tape feeder 5 to secure the tape onto holding mechanism 4 which rotates in conjunction with cooperating knives 3,3' to apply the tape to the severed end of the traveling film 1.
  • the severed film then travels downstream where it is utilized to secure the end of the film to the wound web roll 9 by being nipped between a pressure roll 10 and the wound roll 9.
  • Such apparatus does not utilize positioning means or actuating means which operate to move adhesive attaching means to position the adhesive attaching means first parallel with the rotational axis of the web roll being wound, and then transversely toward and away from the web roll being wound.
  • Figure 1a is an end-elevational view, in somewhat schematic form, of a web winding machine, and showing the adhesive applying apparatus.
  • Figure 1b is a front-elevational view of the web winding machine, and showing the traversing arrangement for laterally guiding the working heads parallel to the rotational axis of the web roll being wound.
  • Figure 2a is an end-elevational view of a web winding machine similar to that shown in Figure 1a, but showing another embodiment of the adhesive applying apparatus.
  • Figure 2b is a front-elevational view of the apparatus shown in Figure 2a, and showing the working heads being applied to the web roll being wound by actuation apparatus.
  • a stripe of glue, or two-sided adhesive tape is applied to the outer surface of the second to last turn of the web as the traveling web is being wound into a wound web roll.
  • the last turn of the web comes into contact with the stripe of glue or adhesive tape on its inner surface, but not on its outer surface.
  • the application of the adhesive application occurs along the entire circumference of the wound web roll to provide an uninterrupted line of adhesive attachment.
  • a line of dots or dashes of adhesive could be applied along the circumference of the wound roll, as desired.
  • the adhesive attachment of the web to the wound web roll is provided along two, spaced, parallel lines extending about the circumference of the web roll.
  • the adhesive applicators can be mounted to move laterally in the machine, or longitudinally relative to the wound roll, with the support arms.
  • the solution provided by the invention resides in the concept of positioning a working head for attaching the adhesive to the web, such as paper, being wound into the wound roll at a plurality of locations spaced axially along the length of the roll.
  • An especially elegant realization of this invention is a modular concept where the working heads are arranged on apparatus for automatically inserting cores into position to be received by support arms and to have webs wound into wound web rolls on the cores.
  • This arrangement can be realized both where the core insertion is provided by a channel which is moved by a lifting/lowering, or pivoting, traverse device extending across the machine, or where the core insertion is provided by two lifting or pivoting arrangements per core to be wound into a web roll, movable together with the support arms for each core chuck.
  • This invention is particularly suited for use in conjunction with paper winders utilizing a central backing roll for supporting a plurality of axially aligned web rolls being wound which are arranged in two rows, substantially horizontally arrayed, about the periphery of the backing roll, about 180 degrees apart.
  • This also permits the use of a so-called central drive on the backing roll.
  • duplex winding arrangement utilizing a central backing roll, the web rolls being wound are each supported by a pair of spaced, parallel arms which are pivoted to move outwardly as the diameter of the wound roll increases.
  • the ends of the support arms contain a core chuck which is inserted into the ends of a core, sometimes called a tube or reel spool, in such a manner as to permit the core to be driven when the core chuck is rotated to rotate the wound web roll.
  • the core chuck is driven by a motor, such as a DC motor, which is mounted in the support arm on either side of the roll.
  • a driving arrangement is known from DE 38 00 703 A1.
  • the adhesive applicator can always be positioned at a desired distance inside the lateral edge of the web for each wound web roll and will also move radially outwardly with the core as the diameter of the wound web roll increases. This guarantees the maximum flexibility regarding the number and placement of the adhesive applicator locations to provide the circumferentially arrayed lines of adhesive in predetermined axial positions of the wound web roll.
  • a traveling web such as paper
  • a traveling web has been longitudinally slit into two individual sub-webs 11,11' and are traveling in the direction of the arrow to be guided onto, and supported by, a backing roll 10 in a web winding machine, designated generally by numeral 100.
  • One of the webs is supported over the backing roll surface for approximately 90 degrees and is guided onto a core, sometimes known as a tube or reel spool, and is being wrapped into a wound web roll 12 .
  • the other sub-web travels over substantially 270 degrees of the circumferential surface of the backing roll and is being wound into web roll 12' .
  • Each of the wound web rolls 12,12' is being wound on a corresponding winding device 41,41' .
  • the reel spool on which the wound web rolls 12,12' are wound is supported at either end by a core chuck 15,16' which, in turn, is mounted in a corresponding arm 13',14' as shown in Figure 2b to extend parallel with the rotational axis of the backing roll.
  • a wound web roll 12,12' is held at its extremities by a corresponding core chuck mounted in a corresponding support arm 13,14 or 13',14' .
  • the support arms are, in turn, pivotally mounted at 18,18' to supports in a manner well-known to those skilled in the art.
  • the core chucks are each driven by a motor, which is preferably an air-cooled DC motor, which is mounted in each of the supporting arms co-axially.
  • the motors are configured to engage, and rotate, the core chucks at right angles.
  • the driven core chucks thus, rotate the wound web roll about an axis 17,17' , which is the longitudinal axis of the would roll.
  • the driving arrangements are known from German document DE 38 00 703 A1.
  • the support arms 13,13' and 14,14' are pivotally mounted about axes 18,18' .
  • the manner in which the support arms are pivoted under power is also known to those skilled in the art and, in view of this and for clarity, is not specifically shown and will not be described in detail.
  • the support arms are, thus, capable of pivoting outwardly, while maintaining desired nip pressure, from the backing roll 10 as the diameters of the wound rolls 12,12' increase as the traveling webs are wound.
  • the pivoted axial mounting 18,18' of each pair of support arms 13,14,13', 14' , etc. are mounted on a sled, or carriage, 19,19' , each of which is movable along support bases 20,20' of the winder 41,41' and which extend in the direction of the width of the machine, that is, parallel to the axis of the backing roll 10 .
  • working heads 27,28 and 27',28' are provided.
  • Each of these working heads supports an applicator 23,24 and 23',24' , respectively, for the application of the selected adhesive to a circumferential path 25,26 or 25',26' on the surface of the wound web roll.
  • the working heads are pressed resiliently (i.e. elastically) against the wound web roll to apply the adhesive. This guarantees the adhesive to be properly applied, even in the case where the traversing guide support, or traverse support, has deflected for any reason.
  • the working heads in Figures 1a, 1b are mounted to move, such as in sliding contact, in traversing guides 29,29' which extend transversely to the direction of web 11,11' travel, or parallel to the rotational axis of backing roll 10 .
  • the working heads 27,28' shown in Figure 1a depict a tape cartridge applicator 23,24' for applying two-sided adhesive tape to the circumference of the wound paper roll
  • the corresponding applicator shown in Figure 2a represents a roller-applicator 23,24' for the application of a glue stripe to the circumference of the wound web roll.
  • the working heads 27,28 or 27', 28' are brought from their stand-by positions, where they are transversely supported on carriages 19,19' ( Figure 2a) or by traversing guides 29,29' ( Figure 1b), into their working position, where they are in resilient contact with the outer circumference of the wound web rolls 12,12' .
  • the working heads are attached to the ends of power cylinders 32'33 which, in turn, are mounted on carriages 19,19' and can pivot about swivel axes 18,18' .
  • a lifting cylinder 30 which might comprise a hydraulic or pneumatic powered cylinder, or a powered (electrical) ball-type screw, or a screw jack, is provided for each end of the wound web roll in the embodiment shown in Figure 1a. Only one such actuation cylinder 30 is shown in Figure 1a for clarity.
  • the actuation cylinder is mounted to the frame of winder 100 and extends downwardly to engage a working head and retract to resiliently bring the adhesive applicator on the working head into a working position against the wound web roll. It then returns the working head to its stand-by position in the traversing guide.
  • the working heads can be mounted to traverse with the support arms.
  • the traverse guide 29,29' is, in turn, mounted for support on supports 20,20' , respectively.
  • An independent drive such as an electrical motor connected to a looped chain by a drive sprocket, can be connected to the working heads 27',28' , either individually per head, or per pair of working heads, as desired.
  • Such a drive arrangement is within the skill of those in the art, so it is not shown and will not be described further.
  • the transverse distance, or spacing, of the working heads can be fixed, in which case they could be moved together as a unit by the traversing drive.
  • the fixed distance could correspond to the web width.
  • the entire traverse guide 29,29' can be moved transversely upwardly, in the direction of the double-headed arrow shown in Figure 1a, to apply the adhesive to the wound roll. Since the adhesive applicator 23',24' held in the working head is stationary, and since the rolls 12,12' are rotating in their respective support arms, the adhesive is applied along circumferentially extending paths 25',26' , as shown in Figure 1b. When the adhesive has been applied to the circumference of the wound web roll, the powered cylinder 30 is deactivated to return the working heads to their stand-by position, which is represented as the lower position in Figures 1a and 2a.
  • the working heads are supported in the traverse guides 29,29' ( Figure 1b) or on the ends of power cylinders 33',32' ( Figure 2a). Since the working heads can move longitudinally along the length of the traverse guides parallel to the rotational axes of the wound web rolls, and since the actuators (i.e. powered cylinders 30 ) operate at right angles to the reciprocating directions of movement of the working heads, as shown by the double-headed arrows associated with working heads 27',28' in Figure 1b, the working heads can be positioned to accommodate any width of web being wound into a roll to apply a circumferential path of adhesive onto the web roll.
  • the illustration of the powered cylinder 30 in Figure 1a shows that the distance of the stroke to move the working head/adhesive applicator from the stand-by position to the working position can vary, depending on the desired diameter of the wound web roll.
  • the working heads 27',28' have been moved into such a position on the traverse guide 29' that they become effectively close to the lateral edges of the wound web roll 12' to produce adhesive along circumferentially extending paths 25',26' which are parallel and close to the ends of the wound web roll.
  • FIG. 2a, 2b The embodiment shown in Figures 2a, 2b is similar to that shown in Figures 1a, 1b, except that the means for mounting and actuating the working heads is somewhat different.
  • the circumferentially extending lines of glue 21,22,21',22' are applied by working heads which are attached directly to actuators 32',33' .
  • These actuators like the actuator 30 shown in Figure 1a, can comprise a hydraulic or pneumatic powered cylinder, or an electric powered ball-type screw, or similar linear motion power device.
  • These actuators 32',33' can also serve a second function as tube/reel spool 34,34' loaders for moving fresh tubes, or reel spools, into their working position from a storage position in a channel beneath the backing roll 10 .
  • the traversing movement of the actuators 32',33' on which the working heads 27',28' are mounted is accomplished by moving the carriages 19,19' , on which the axes 18,18' are pivotably supporting the support arms and on which the actuators are also mounted so as to move with the support arms, laterally across the apparatus parallel to the rotational axis of backing roll 10 .
  • the power actuators 32,33,32',33' are permanently mounted to their respective carriages, or sleds, 19,19' .
  • the working heads can be mounted to traverse with a corresponding support arm to apply the adhesive to a wound web roll uniformly relative to an edge of the roll.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Adhesive Tape Dispensing Devices (AREA)
  • Coating Apparatus (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Polarising Elements (AREA)
  • Treatment Of Fiber Materials (AREA)

Claims (7)

  1. Machine d'enroulement pour enrouler une ou plusieurs bandes (11, 11') qui défilent pour obtenir un nombre correspondant de rouleaux de bandes enroulées (12, 12'), comprenant:
    un rouleau de support (10) pour supporter sur sa surface la ou les bandes qui défilent et le ou les rouleaux de bandes enroulées, les axes de rotation des rouleaux (10, 12, 12') étant parallèles l'un à l'autre,
    au moins un poste d'enroulement (40, 40') englobant au moins un dispositif d'enroulement (41, 41') pour supporter en rotation le ou les rouleaux de bandes enroulées (12, 12'), et
    des moyens de fixation d'adhésif (23, 23', 24, 24') montés à proximité dudit ou desdits rouleaux de bandes enroulées (12, 12') pour fixer un adhésif à une portion de chacune desdites bandes qui défilent (11, 11'), les moyens de fixation d'adhésif (23, 23', 24, 24') englobant une ou plusieurs têtes de travail (27, 27', 28, 28') pour alimenter l'adhésif,
       caractérisée en ce qu'elle comprend en outre des moyens de positionnement (19, 19', 29, 29') pour positionner en mobilité les têtes de travail (27, 27', 28, 28') en direction longitudinale par rapport aux axes de rotation dudit ou desdits rouleaux de bandes enroulées (12, 12') et parallèlement à ces derniers, et
    des moyens d'entraînement (30, 32, 32', 33, 33') pour venir se mettre en contact avec les têtes de travail (27, 27', 28, 28') et les soumettre à un déplacement alternatif en translation par rapport à l'axe de rotation correspondant du ou des rouleaux de bandes (12, 12') en cours d'enroulement, depuis une position d'attente jusqu'à une position de travail contre le rouleau de bande enroulée pour appliquer l'adhésif aux portions sélectionnées de la bande (11, 11').
  2. Machine d'enroulement de bande selon la revendication 1, dans laquelle le ou les postes d'enroulement de bandes (40, 40') englobent un moyen de bras de support (13, 14, 13', 14') et un dispositif de support de tube (15, 16, 15', 16') pour supporter en rotation et faire tourner un rouleau de bande enroulée sur le tube, caractérisée en ce que:
    une tête de travail (27, 27', 28, 28') est associée en entraînement à un moyen d'entraînement correspondant (32, 33, 32', 33') pour déplacer la tête de travail correspondante en translation par rapport à l'axe de rotation (17, 17') du rouleau de bande en cours d'enroulement, depuis une position d'attente jusqu'à une position de travail contre le rouleau de bande enroulée (12, 12'),
    ledit moyen de bras de support (13, 14, 13', 14') supportant en rotation chaque rouleau de bande enroulée (12, 12') est mobile avec les moyens d'entraînement (32, 33, 32', 33') parallèlement à l'axe (17, 17') du rouleau de bande.
  3. Machine d'enroulement de bande selon la revendication 1, caractérisée en ce que:
    on prévoit un moyen d'entraînement (30, 30', 33, 33') pour chaque tête de travail (27, 27', 28, 28').
  4. Machine d'enroulement de bande selon la revendication 1, caractérisée en ce que:
    un moyen de guidage transversal (29, 29') s'étend sur essentiellement la largeur de la machine, parallèlement aux axes de rotation des rouleaux de bandes enroulées (12, 12'),
    les têtes de travail (27, 28, 27', 28') sont montées dans le moyen de guidage transversal (29, 29'),
    au moins un dispositif d'entraînement (30) pour venir se mettre en contact de manière sélective avec le moyen de guidage transversal (29, 29') et amener ce dernier dans la position de travail pour permettre aux têtes de travail (27, 28, 27', 28') d'appliquer un adhésif sur la bande et pour renvoyer le moyen de guidage transversal et les têtes de travail dans leur position d'attente.
  5. Machine d'enroulement de bande selon la revendication 4, caractérisée en ce que:
    les têtes de travail (27, 28, 27', 28') sont montées en mobilité dans le moyen de guidage transversal (29, 29') pour effectuer un mouvement transversal le long de ce dernier, et
    les moyens d'entraînement (30) déplacent les têtes de travail depuis une position d'attente, par résilience, jusque contre ledit ou lesdits rouleaux de bandes enroulées (12, 12').
  6. Machine d'enroulement de bande selon la revendication 1, caractérisée en ce que:
    les moyens d'entraînement (32, 32', 33, 33') sont montés sur des chariots (19, 19'), les chariots (19, 19') sont montés en mobilité sur des supports (20, 20') pour effectuer un mouvement transversal parallèle aux axes (17, 17') des rouleaux enroulés, et
    les têtes de travail (27, 28, 27', 28') sont montées sur les moyens d'entraînement (32, 32', 33, 33') pour pouvoir se déplacer de manière sélective dans une position de travail dans le but d'appliquer l'adhésif sur le rouleau (12, 12') et pour reprendre leur position d'attente.
  7. Machine d'enroulement de bande selon la revendication 1, caractérisée en ce que:
    les têtes de travail (27, 27', 28, 28') sont montées dans au moins un dispositif d'enroulement (41, 41') pour insérer de nouveaux tubes (34, 34') dans leur position d'enroulement respective pour recevoir la bande qui défile et qui doit être enroulée sur le tube, et
    des moyens d'entraînement (32, 32', 33, 33') sont associés en entraînement à un support (20, 20') pour entraîner de manière sélective une desdites têtes de travail (27, 27', 28, 28') dans le but de déplacer les têtes de travail essentiellement en direction radiale vers le rouleau de bande (12, 12') en cours d'enroulement dans le but d'appliquer l'adhésif sur une portion sélectionnée de sa surface périphérique.
EP93919903A 1992-08-06 1993-08-05 Appareil destine a appliquer de l'adhesif sur un rouleau d'une bande enroulee dans une machine enrouleuse Expired - Lifetime EP0654004B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE9210495U DE9210495U1 (de) 1992-08-06 1992-08-06 Rollenwickelmaschine mit Befestigungseinrichtung für Bahnenden
DE9210495U 1992-08-06
PCT/US1993/007389 WO1994003386A1 (fr) 1992-08-06 1993-08-05 Appareil destine a appliquer de l'adhesif sur un rouleau d'une bande enroulee dans une machine enrouleuse

Publications (2)

Publication Number Publication Date
EP0654004A1 EP0654004A1 (fr) 1995-05-24
EP0654004B1 true EP0654004B1 (fr) 1997-10-15

Family

ID=6882378

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93919903A Expired - Lifetime EP0654004B1 (fr) 1992-08-06 1993-08-05 Appareil destine a appliquer de l'adhesif sur un rouleau d'une bande enroulee dans une machine enrouleuse

Country Status (10)

Country Link
EP (1) EP0654004B1 (fr)
JP (1) JP2691800B2 (fr)
KR (1) KR950702501A (fr)
AT (1) ATE159229T1 (fr)
BR (1) BR9306838A (fr)
CA (1) CA2141809C (fr)
DE (2) DE9210495U1 (fr)
FI (1) FI950497A0 (fr)
PL (1) PL171727B1 (fr)
WO (1) WO1994003386A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4415316C2 (de) * 1994-05-02 1998-03-12 Kleinewefers Gmbh Rollenwickelmaschine
US5799577A (en) * 1995-07-31 1998-09-01 Tohoku Ricoh Co., Ltd. Stencil and stencil perforating device
FI102826B (fi) * 1995-09-29 1999-02-26 Valmet Corp Menetelmä ja laite kiinnirullauksessa
FI109989B (fi) 1999-11-25 2002-11-15 Metso Paper Inc Menetelmä ja laite rullanvaihdossa

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3291412A (en) * 1964-10-02 1966-12-13 Cameron Machine Co Multiple individual rewind machine
AT275452B (de) * 1967-10-02 1969-10-27 Voest Ag Vorrichtung zum Niederhalten des Bandendes eines gewickelten Bundes oder der Streifenenden mehrerer auf einem gemeinsamen Wickeldorn nebeneinander gleichzeitig hergestellter Streifenwickel
DE1801480A1 (de) * 1968-10-05 1970-09-17 Rasselstein Ag Haspel fuer Stahlbaender
JPS4836408B1 (fr) * 1970-07-07 1973-11-05
US3912571A (en) * 1974-06-03 1975-10-14 Crown Zellerbach Corp Roll product with manually graspable tail end and manufacture thereof
DE3308271A1 (de) * 1983-03-09 1984-09-20 Jagenberg AG, 4000 Düsseldorf Vorrichtung zum aufwickeln laengsgeteilter bahnen und verfahren beim wickelrollen/huelsenwechsel
DE3611895A1 (de) * 1986-04-09 1987-10-15 Jagenberg Ag Verfahren und vorrichtung zum automatischen trennen und anwickeln einer warenbahn
DE3800702C2 (de) * 1988-01-13 1995-06-14 Beloit Corp Stützwalzen-Wickelvorrichtung
DE3800703A1 (de) * 1988-01-13 1989-08-03 Beloit Corp Vorrichtung zum aufwickeln von bahnen
JP2714959B2 (ja) * 1988-09-29 1998-02-16 横浜ゴム株式会社 粘着性リボン状材料の自動巻付け方法及び装置
DE3927209A1 (de) * 1989-08-17 1991-02-21 Iro Ab Vorrichtung zum sichern des wickelendes eines rollenwickels in einer textilbahn-wickelvorrichtung
WO1991018815A1 (fr) * 1990-05-26 1991-12-12 Beloit Corporation Procede et dispositif pour l'insertion automatique de mandrins dans des machines a decouper a roulettes du type a cylindre d'appui
IT1241807B (it) * 1990-10-17 1994-02-01 Perini Navi Spa Apparecchiatura per incollare il lembo finale di rotoli di materiale nastriforme

Also Published As

Publication number Publication date
PL171727B1 (pl) 1997-06-30
CA2141809C (fr) 1999-07-27
ATE159229T1 (de) 1997-11-15
FI950497A (fi) 1995-02-03
PL307247A1 (en) 1995-05-15
FI950497A0 (fi) 1995-02-03
DE69314648D1 (de) 1997-11-20
DE69314648T2 (de) 1998-03-26
CA2141809A1 (fr) 1994-02-17
BR9306838A (pt) 1998-12-08
EP0654004A1 (fr) 1995-05-24
KR950702501A (ko) 1995-07-29
DE9210495U1 (de) 1993-12-02
JPH07508964A (ja) 1995-10-05
WO1994003386A1 (fr) 1994-02-17
JP2691800B2 (ja) 1997-12-17

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