EP0175365B1 - Dispositif de montage d'un plaque enveloppante sur un cylindre de plaque - Google Patents

Dispositif de montage d'un plaque enveloppante sur un cylindre de plaque Download PDF

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Publication number
EP0175365B1
EP0175365B1 EP85111842A EP85111842A EP0175365B1 EP 0175365 B1 EP0175365 B1 EP 0175365B1 EP 85111842 A EP85111842 A EP 85111842A EP 85111842 A EP85111842 A EP 85111842A EP 0175365 B1 EP0175365 B1 EP 0175365B1
Authority
EP
European Patent Office
Prior art keywords
machine frame
frame
swivel
frame side
swivel frame
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
EP85111842A
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German (de)
English (en)
Other versions
EP0175365A3 (en
EP0175365A2 (fr
Inventor
Joachim Dorow
Gerhard Bleckmann
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.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Priority to AT85111842T priority Critical patent/ATE52732T1/de
Publication of EP0175365A2 publication Critical patent/EP0175365A2/fr
Publication of EP0175365A3 publication Critical patent/EP0175365A3/de
Application granted granted Critical
Publication of EP0175365B1 publication Critical patent/EP0175365B1/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
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F27/00—Devices for attaching printing elements or formes to supports
    • B41F27/005—Attaching and registering printing formes to supports

Definitions

  • the invention relates to a device for covering a removable forme cylinder, in particular a low pressure forme cylinder, with a winding plate.
  • the wrapping plate must lie tightly and evenly around the cylinder circumference in order to prevent the wrapping plate from underneath with color and flexing movements of the wrapping plate and thus in the case of a gravure cylinder, stress on the pit filling.
  • the clamping devices provided so far in the area of the cylinder pit have been proposed, which enable the plate suspended with its edges in the pit side edges to be re-tensioned with high force (see, inter alia, DE-A-33 00 678). Clamping devices of this type, however, prove to be very complex. In the case of simpler tensioning devices, re-tensioning of the winding plate is not possible or not possible with such a high force that the plate lies evenly on the circumference.
  • a device for tensioning the elevator on printing presses which contains a coating device which is arranged parallel to the printing cylinder and can be applied to the surface thereof.
  • the coating device is a stationary roller with a friction lining, e.g. made of plush, and serves to smooth the rubber blanket on the impression cylinder.
  • a friction lining e.g. made of plush
  • This object is achieved according to the invention by using a frame with insertion openings provided in the region of its side walls, assigned to the lateral pins of the forme cylinder and with a pivoting frame pivotably mounted outside the insertion openings, which can be fixed in any desired pivot position relative to the frame and which has a pivoting eccentric bushing mounted, drivable pressure roller.
  • the desired contact pressure can also be set, so that in spite of different forme cylinders and different sizes of contact surfaces, the same surface pressure can be achieved in any case.
  • the measures according to the invention thus ensure that there are no restrictions with regard to the usable diameter of the forme cylinder, but rather that each cylinder diameter can be operated in the same way.
  • a plurality of threaded bores arranged on a pitch circle with respect to the axis of rotation of the swivel frame can be provided in the area of the frame side walls, to which an elongated hole arranged on the same pitch circle in the area of each side bearing plate of the swivel frame is assigned, the length of which is greater than is the distance between two adjacent threaded holes.
  • the swivel frame can be swiveled by means of a lifting device.
  • a further, particularly preferred measure can consist in the fact that the eccentric bushings which are rotatably mounted on the end plate side and receive the lateral bearing journals of the pressure roller are each provided with a toothed ring which engages in a pinion which is fastened on a spindle which is rotatably supported on the frame and forms the pivot axis of the swivel frame.
  • the pressure roller can be driven by means of a pinion wedged onto a lateral bearing pin, which meshes with a spur gear rotatably mounted on the spindle forming the axis of rotation of the swivel frame and which can be driven by means of a motor fixed on the frame.
  • Another expedient measure can be that the pressure roller has a rubber jacket. This not only results in excellent protection of the winding plate to be clamped, but can also advantageously compensate for inaccuracies in the winding plate at the same time.
  • the device shown in Figure 1 consists of a machine frame, which has two lateral, connected by cross members 1 side walls 2, which with an approximately half-way, one-sided open, slot-shaped insertion opening 3 for inserting the side bearing pin 4 one with a winding plate to be occupied forme cylinder 5 are provided.
  • the insertion opening 3 in the region of each side frame 2 can be closed by means of a removable or swivelable closure flap 6 in such a way that the inner region of the insertion opening 3 forms a pivot bearing for the associated bearing journal 4 of the forme cylinder 5.
  • a pressure roller 7 is provided, which can be set on the circumference of the forme cylinder 5 and driven by a motor 8.
  • the form cylinder 5 is here provided with a pit formed by a circumferential slot 9 running parallel to the axis.
  • the wrapping plate to be placed is simply hung with its bent edges on the edge of the pit and then rolled on by means of the pressure roller 7, the bent edges of the wrapping plate then also being pressed into the slot forming the pit 9.
  • the pressure roller 7 is provided with a rubber cover.
  • the pressure roller 7 is received on a pivot frame designated as a whole by 10, which is pivotably mounted on the frame side walls 2 about an axis located outside the insertion opening 3.
  • the swivel frame 10 has lateral bearing plates 11, parallel to the frame side walls 2, on which the pressure roller 7 is mounted.
  • the end shields 11 and thus the entire swivel frame 10 are fixed to the frame side walls 2.
  • threaded bores 13 are provided in the region of each side wall 2 on a pitch circle 12 drawn around the pivot axis of the pivot frame 10 with the same mutual spacing.
  • the end shields 11 of the swivel frame 10 are each provided with an elongated hole 14 located on the same pitch circle 12, through which a fixing screw 15 which can be screwed into a selected threaded bore can be inserted.
  • the mutual distance between the threaded holes 13 is slightly smaller than the length of the associated elongated hole 14, in such a way that the elongated hole 14 can extend over two adjacent threaded bores 13, which ensures a continuous adjustability of the swivel frame 10.
  • a lifting device 16 is assigned to the swivel frame 10 to ensure simple handling.
  • this consists of a threaded spindle 18 which is pivotally supported on the frame side and is provided with a drive wheel 17 and which engages in an associated threaded bushing 19 fastened to the swivel frame 10. It would also be conceivable to pivot the swivel frame 10 by hand.
  • a bearing plate 11 is also provided with an additional borehole 31, into which a pin 32 which engages with the frame engages in order to accomplish a particularly reliable holder.
  • the pivotability of the swivel frame 10 practically enables a coarse adjustment of the pressure roller 7.
  • a fine adjustment that is to say to ensure an exact adjustability of the desired contact pressure of the pressure roller 7
  • this is, as can best be seen from FIG. 2, with its lateral bearing pin 20 in FIG End shields 11 of the swivel frame 10 rotatably arranged eccentric bushes 21 added.
  • the pressure roller 7 can be further adjusted with the swivel frame 10 already fixed, as a result of which the contact pressure acting on the associated forme cylinder 5 can be precisely adjusted.
  • the forme cylinder 5 has a large diameter, there is a comparatively large contact area between the forme cylinder 5 and the pressure roller 7.
  • the size of this pressure surface also decreases with the cylinder diameter.
  • the same surface pressure should always come into effect when a winding plate is rolled on. This can be easily achieved by adjusting the eccentric bushings 21.
  • the eccentric bushes 21, as can be seen further in FIG. 2, are each provided with an integrally formed or, as here, attached toothed ring 22 which engages in a respectively assigned pinion 23.
  • the pinions 23 assigned to the two eccentric bushes 21 are wedged onto a continuous adjusting spindle 24 which is mounted in the frame side walls 2 and which is provided with a handwheel 25 provided in the region of the frame outside.
  • the handwheel 25 can be provided with a position indicator 26 on which the set contact pressure can be read.
  • the adjusting spindle 24 simultaneously forms the axis of rotation of the swivel frame 10, the lateral one End shields 11 are mounted thereon by means of associated bearing bushes.
  • the adjusting spindle 24 thus has a double function, which facilitates the adjustability of the eccentric bushes 21 despite the adjustability of the swivel frame 10.
  • a pinion 27 is provided which is wedged onto a lateral bearing pin 20 and which engages in an associated spur gear 28 which is freely rotatably mounted on the adjusting spindle 24 which forms the swivel frame axis of rotation and which is firmly connected to a laterally attached pulley 29 which is connected by means of an assigned belt 30 to the drive motor 8 arranged fixed to the frame on a cross member 1.
  • the adjusting spindle 24 thus also forms an axis of the drive gear associated with the pressure roller 7 and formed by the spur gear 28 and the pulley 29. This ensures that the pressure roller 7 can be driven practically with each adjustment of the swivel frame 10 and each adjustment of the eccentric bushes 21 by means of the motor 8 arranged fixed to the frame.
  • the toothing of the pinion 27 and the associated spur gear 28 is selected so that a reliable engagement is ensured in every position of the eccentric bushings 21. This is readily possible since, due to the positional adjustment of the swivel frame 10, a comparatively low eccentricity of the eccentric bushes 21 is sufficient to be able to set the desired contact pressure.
  • the winding plate to be applied to the forme cylinder 5 is, as already explained above, rolled onto the forme cylinder 5 and thus brought into the clamping position. Subsequent to the rolling process, the clamping jaws associated with the edge claws of the winding plate engaging in the pit 9 can be readjusted, provided that such adjustability is provided. However, it may also be sufficient to simply design the pit 9 in the form of an oblique slot into which the edge claws of the winding plate are pressed by means of the pressure roller 7 after the rolling process has ended. After the winding plate has been brought into position, the pit 9 must be closed in the case of a gravure cylinder. For this purpose, the pit 9 is generally filled with a plastic, hardening mass. This can be done in a separate device. In the exemplary embodiment shown, a work station is provided on the side of the insertion opening 3 opposite the pivot frame 10, thereby avoiding reclamping of the forme cylinder 5.
  • the pit 9 is filled in the manner of an injection mold.
  • connecting nipples are arranged in the area of the lateral pit covers for an impingement line.
  • the circumferential cross-section of the pit is covered by a plate 33 which is pressed against the circumference of the cylinder.
  • a pressure bar 34 is provided which extends across the entire width of the machine and which has lateral ends in guides 35 provided in the region of the frame side walls 2, which plate 33, which can expediently consist of transparent, flexible material engages which extend radially with respect to the rear area of the insertion opening 3 forming a rotary bearing for the bearing pins 4 of the forme cylinder 5.
  • the pressure beam 34 is designed as a circumferential box frame, which has two parallel pressure bars 36 which extend across the machine width and two webs 37 which connect them to one another in the region of their ends and on which an associated lifting device 38 engages.
  • the inner, to protect the plate appropriately rounded edges of the cylinder-side surfaces of these pressure bars 36 result in pressing edges with the aid of which the curvature of the area of the plate 33 spanning the circumferential cross-section of the pit 9 can be adapted exactly to the cylinder curvature. In the present case, this is done simply by pressing the plate 33 practically with its entire width against the cylinder circumference.
  • the lifting device 38 assigned to the pressure beam 34 consists of two synchronously operable actuators 39, which are supported by a toggle lever arrangement on the webs 37 and are supported on the frame and are designed here in the form of cylinder-piston units working with compressed air.
  • the toggle lever arrangement provided between the actuator 39 and the associated web 37 comprises two hinged tabs 40 and 41, one of which is articulated on the associated web 37 and the other on the adjacent frame side wall 2.
  • the tab 40 hinged on the web side is designed as an exchange part and can be exchanged for longer or shorter tabs to adapt the working position of the pressure beam 34 to the diameter of the forme cylinder 5.
  • a further adjustment in a narrower framework could also be achieved in that the tabs 40 and 41 can be articulated to one another at several points.
  • one of the tabs expediently the tab 41 hinged on the frame side, could be provided with a plurality of bearing bores 42.
  • the length of the exchange tab 40 and the respective bearing bore 42 to be occupied are selected so that the toggle lever arrangement comes approximately into the extended position in the pressing position. The greatest contact pressure results in this position, in which the axes of the three joints lie on a straight line.
  • the length of the guide 35 is selected so that the pressure bar 34 is reliably guided in every case, ie regardless of the diameter of the forme cylinder 5.
  • a stop 43 can be provided for the pressure beam 34.
  • the tab 41 articulated on the frame need not be interchangeable. This tab is therefore used expediently the associated actuator 39.
  • one hinge pin of each of the three joints of each toggle lever arrangement is designed as an adjustable eccentric pin.
  • the bracket 41 hinged on the frame side is hinged to the respectively assigned side wall 2 by means of an adjustable eccentric bolt 44, as a result of which good accessibility of the eccentric bolt to be adjusted and thus excellent ease of use are ensured.
  • the pressure beam 34 and the guide 35 and lifting device 38 assigned to it are located in the exemplary embodiment shown above the insertion opening 3 assigned to the cylinder 5.
  • the swivel frame 10 with the pressure roller 7 is arranged below it. This measure results in a clear, compact design and simple operability.
  • the preparation of the forme cylinder 5 is completed.
  • the finished forme cylinder can therefore be removed from the device according to the invention and inserted into the associated printing unit, here an intaglio printing unit.
  • the preparation of the forme cylinder 5 outside of the assigned printing unit thus clearly ensures high printing unit utilization even when using winding plates, in particular gravure winding plates.

Landscapes

  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Rotary Presses (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Coating Apparatus (AREA)
  • Soil Working Implements (AREA)
  • Braking Systems And Boosters (AREA)

Claims (13)

1. Appareil pour garnir d'une plaque enveloppante, un cylindre imprimeur amovible, en particulier un cylindre imprimeur pour impression avec forme en creux, comportant un bâti ayant dans la zone de ses parois latérales (2) des ouvertures de montage (3) affectées aux tourillons latéraux (4) du cylindre imprimeur (5), et un châssis (10), monté basculant à l'extérieur des ouvertures de montage (3) et pouvant être fixé dans toute position angulaire désirée par rapport au bâti, qui reçoit un rouleau presseur (7) monté dans des douilles excentriques tournantes (21) et entraînable.
2. Appareil selon la revendication 1, caractérisé par le fait que dans la zone de chacune des parois latérales (2) du bâti sont prévus plusieurs trous taraudés (13) situés sur un arc de cercle (12) centré sur l'axe de rotation du châssis basculant (10), et que le châssis basculant (10) présente deux flasques latéraux (11) qui présentent chacun un trou allongé (14) situé sur le même arc de cercle (12) et dont la longueur est supérieure à la distance de deux trous taraudés (13) voisins.
3. Appareil selon l'une des revendications précédentes, caractérisé par le fait que le châssis basculant (10) est basculé par un dispositif élévateur (16) qui présente de préférence au moins une tige filetée (18) supportée basculante par le bâti, pourvue d'une roue de commande (17) et engagée dans une douille taraudée associée (19) fixée au châssis basculant.
4. Appareil selon l'une des revendications précédentes, caractérisé par le fait que les douilles excentriques (21) montées tournantes dans les flasques et recevant les tourillons latéraux (20) du rouleau presseur (7) sont pourvues chacune d'une couronne dentée (22) qui engrène avec un pignon (23) fixé sur un arbre (24) monté tournant dans le bâti et formant l'axe de basculement du châssis basculant (10).
5. Appareil selon la revendication 4, caractérisé par le fait que l'arbre (24) est pourvu d'une roue de commande (25) présentant un indicateur de position (26).
6. Appareil selon l'une des revendications précédentes, caractérisé par le fait que le rouleau presseur (7) est entraîné par un pignon (27) calé sur un tourillon latéral (20) qui engrène avec une roue dentée cylindrique (28) montée tournante sur l'arbre (24) formant l'axe de rotation du châssis basculant (10) et qui est entraînée par un moteur (8) fixé au bâti.
7. Appareil selon la revendication 6, caractérisé par le fait que la roue dentée cylindrique (28) montée tournante sur l'arbre est pourvue latéralement d'une roue de commande (29) qui est reliée au moteur (8) par un élément de transmission (30).
8. Appareil selon l'une des revendications précédentes, caractérisé par le fait que les ouvertures de montage (3) ouvertes d'un côté prévues dans la zone des parois latérales (2) peuvent être fermées chacune par une languette de fermeture (6).
9. Appareil selon l'une des revendications précédentes, caractérisé par le fait que le rouleau presseur (7) a un revêtement en caoutchouc.
10. Appareil selon l'une des revendications précédentes, caractérisé par le fait que les parois latérales (2) du bâti sont pourvues de guides opposés (35) prévus dans la zone extérieure au châssis basculant (10), s'étendant radialement par rapport à l'extrémité intérieure, formant un palier pour les tourillons, des ouvertures de montage (3), et dans lesquels est montée mobile une poutre presseuse (34) s'étendant sur toute la largeur de l'appareil et mue par un dispositif élévateur (38) au moyen de laquelle une pièce façonnée couvrant la fosse (9) du cylindre et constituée de préférence d'une plaque transparente (33) peut être serrée contre le pourtour du cylindre imprimeur (5).
11. Appareil selon la revendication 10, caractérisé par le fait que la poutre presseuse (34) est formée d'un châssis caisson ayant deux barres presseuses parallèles (36) s'étendant sur la largeur de l'appareil et au moins deux entretoises (37) perpendiculaires à celles-ci et sur lesquelles agit le dispositif élévateur (38).
12. Appareil selon l'une des revendications 10 et 11, caractérisé par le fait que le châssis caisson formant la poutre presseuse (34) est accrochéé au bâti par des dispositifs à genouillère agissant sur ses entretoises (37) et comportant une languette (40) articulée à la poutre presseuse et de préférence changeable et une languette (41) articulée à la précédente, de préférence articulée au bâti par un axe excentrique (44) et actionnée par un organe de manoeuvre associé (39) supporté par le bâti.
13. Appareil selon les revendications 1 et 10, caractérisé par le fait que le châssis basculant (10) portant le rouleau presseur (7) est placé au-dessous des ouvertures de montage (3) du bâti et les guides (35) recevant la poutre presseuse (34) sont placés au-dessus de ces ouvertures.
EP85111842A 1984-09-21 1985-09-19 Dispositif de montage d'un plaque enveloppante sur un cylindre de plaque Expired - Lifetime EP0175365B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85111842T ATE52732T1 (de) 1984-09-21 1985-09-19 Vorrichtung zum belegen eines formzylinders mit einer wickelplatte.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843434670 DE3434670A1 (de) 1984-09-21 1984-09-21 Vorrichtung zum belegen eines formzylinders mit einer wickelplatte
DE3434670 1984-09-21

Publications (3)

Publication Number Publication Date
EP0175365A2 EP0175365A2 (fr) 1986-03-26
EP0175365A3 EP0175365A3 (en) 1987-10-28
EP0175365B1 true EP0175365B1 (fr) 1990-05-16

Family

ID=6245969

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85111842A Expired - Lifetime EP0175365B1 (fr) 1984-09-21 1985-09-19 Dispositif de montage d'un plaque enveloppante sur un cylindre de plaque

Country Status (8)

Country Link
US (1) US4622895A (fr)
EP (1) EP0175365B1 (fr)
JP (1) JPS6178649A (fr)
AT (1) ATE52732T1 (fr)
CA (1) CA1247934A (fr)
DE (2) DE3434670A1 (fr)
DK (1) DK164991C (fr)
ES (1) ES8608409A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3539586A1 (de) * 1985-11-08 1987-05-14 Roland Man Druckmasch Verfahren zum aufbringen eines schutzbelages auf einen druckwerkzylinder mit vorrichtungen zur durchfuehrung des verfahrens
DE4241567A1 (de) * 1992-12-10 1994-06-16 Roland Man Druckmasch Vorrichtung zur Druckeinstellung eines mit einer aufschiebbaren Hülse ausgestatteten Druckzylinders
DE4401301A1 (de) * 1994-01-18 1995-07-20 Roland Man Druckmasch Vorrichtung zur Druckeinstellung eines mit einer aufschiebbaren Hülse ausgestatteten Druckzylinders
US5701823A (en) * 1997-01-27 1997-12-30 Morris; Jerry L. Self aligning tool for registering rotary printing plates and method of registering plates

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2668363A (en) * 1950-08-01 1954-02-09 Cleveland Shopping News Compan Means for registering printing plates
GB896975A (en) * 1959-09-14 1962-05-23 Guthrie William Gifford Apparatus for use in setting up printing machinery
US3347159A (en) * 1964-12-31 1967-10-17 Potter Instrument Co Inc Adjustable quick-release mechanism for print drum
US3614926A (en) * 1967-11-16 1971-10-26 Albert Schnellpressen Device for tensioning the mounting sheet onto printing machines
US3598050A (en) * 1968-07-18 1971-08-10 Int Machine Prod Inc Mounting means for a printing roll and associated driving apparatus
US3625145A (en) * 1969-06-05 1971-12-07 Bobst Champlain Inc Cylinder cart for exchanging cylinders on the fly
US3789757A (en) * 1971-03-26 1974-02-05 Motter J Printing Press Co Printing press having automatic printing cylinder loading and unloading apparatus
US4046070A (en) * 1974-04-22 1977-09-06 James Halley & Sons Limited Rotary printing presses
DE2632455C3 (de) * 1976-07-19 1979-05-23 Windmoeller & Hoelscher, 4540 Lengerich Vorrichtung zum Ein- und Ausfahren des Farbwerkes und des Formzylinders einer Rotations-Tiefdruckmaschine
SE425773B (sv) * 1979-05-07 1982-11-08 Wifag Maschf Anordning for utbyte av formcylindern i en djuptrycksrotationsmaskin
DE3207622C2 (de) * 1982-03-03 1985-02-21 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Vorrichtung zum An-, Ab- und Einstellen von Auftragwalzen am Plattenzylinder von Druckmaschinen
DK159251C (da) * 1983-03-12 1991-02-18 Basf Ag Fremgangsmaade til lukning af spalten mellem en paa et dybtrykapparats trykformcylinder opspaendt dybtrykplades ender, samt indretning ved dybtryksapparatet, til udoevelse af fremgangsmaaden
DE3407428C1 (de) * 1984-02-29 1985-10-17 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Anordnung zum Antrieb einer Walze oder eines Zylinders einer von Buchdruck auf Flexodruck umruestbaren Rotationsdruckmaschine
DE3407681A1 (de) * 1984-03-02 1985-09-05 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Vorrichtung zum austauschen einer, mit einer numerierwelle zur aufnahme von ziffernwerken versehenen numerier- und eindruckvorrichtung in druckmaschinen

Also Published As

Publication number Publication date
EP0175365A3 (en) 1987-10-28
US4622895A (en) 1986-11-18
ATE52732T1 (de) 1990-06-15
DK164991B (da) 1992-09-28
CA1247934A (fr) 1989-01-03
DK164991C (da) 1993-02-08
EP0175365A2 (fr) 1986-03-26
DK426685A (da) 1986-03-22
DE3434670A1 (de) 1986-04-03
JPS6178649A (ja) 1986-04-22
ES8608409A1 (es) 1986-06-16
DE3577672D1 (de) 1990-06-21
DK426685D0 (da) 1985-09-20
JPH0443511B2 (fr) 1992-07-16
ES547174A0 (es) 1986-06-16

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