EP0581102A1 - Procédé pour transférer des feuilles et transporter des feuilles vers une unité de sortie - Google Patents

Procédé pour transférer des feuilles et transporter des feuilles vers une unité de sortie Download PDF

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Publication number
EP0581102A1
EP0581102A1 EP93111149A EP93111149A EP0581102A1 EP 0581102 A1 EP0581102 A1 EP 0581102A1 EP 93111149 A EP93111149 A EP 93111149A EP 93111149 A EP93111149 A EP 93111149A EP 0581102 A1 EP0581102 A1 EP 0581102A1
Authority
EP
European Patent Office
Prior art keywords
drum
clamping elements
sheet material
clamping
elements
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.)
Granted
Application number
EP93111149A
Other languages
German (de)
English (en)
Other versions
EP0581102B1 (fr
Inventor
Paul Freitag
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.)
Wincor Nixdorf International GmbH
Original Assignee
Wincor Nixdorf International GmbH
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 Wincor Nixdorf International GmbH filed Critical Wincor Nixdorf International GmbH
Publication of EP0581102A1 publication Critical patent/EP0581102A1/fr
Application granted granted Critical
Publication of EP0581102B1 publication Critical patent/EP0581102B1/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
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/50—Piling apparatus of which the discharge point moves in accordance with the height to the pile
    • B65H29/51—Piling apparatus of which the discharge point moves in accordance with the height to the pile piling by collecting on the periphery of cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/02—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles
    • B65H29/06—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by rotating members
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D11/00—Devices accepting coins; Devices accepting, dispensing, sorting or counting valuable papers
    • G07D11/10—Mechanical details
    • G07D11/12—Containers for valuable papers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2402/00—Constructional details of the handling apparatus

Definitions

  • the present invention relates to a device of the type mentioned in the preamble of claim 1.
  • the task for example, of accepting successively delivered sheets from a feed device and passing them on to a downstream removal station is, for example, in the paper processing industry, in the printing industry or in the banking industry, where bank receipts are issued by a printing station or bank notes from an automatic dispenser and transferred to a removal compartment will.
  • a device of the type mentioned in the preamble of claim 1 is already known, in which the sheets coming from the feeding device lie on the lateral surface of a drum, on which they are held by clamping elements. After the leading edge of a sheet has reached the clamping device and has been clamped, the drum rotates in a first direction of rotation and takes the sheet with it, the latter completely resting on the outer surface of the drum. To collect and bundle several sheets, this process is repeated several times, so that a whole bundle of sheets collects on the surface of the drum. To transfer a sheet or a bundle of sheets, the direction of rotation of the drum is reversed, the sheets with the original trailing edge being pushed out into a removal station via a switch which is effective in the reverse direction of rotation of the drum.
  • the clamping elements are coupled to the rotary drive of the drum.
  • the construction is such that the rotary drive is connected directly to the clamping elements, so that when it starts up in the forward or reverse direction, the clamping elements are first adjusted in the closing or opening direction, whereupon the clamping elements assume their respective end positions when the rotary drive is rotated further take the drum with you.
  • the rotary drive for the drum and the adjustment drive for the clamping elements are no longer coupled to one another in the manner described above, but are designed independently of one another. This allows you to be independent of one Wear and maintenance condition of the device can be ensured that the clamping elements are always properly closed or opened before the drum starts.
  • a clear separation of the adjustment movement from the rotary movement can be achieved in a structurally simple manner, for example by a single drive motor optionally being coupled to the clamping elements or to the drum.
  • the clamping elements in addition to their clamping position and release position are adjustable in a retracted position, in which they do not hinder the pushing out of a sheet or sheet bundle with the original leading edge in advance. This creates the possibility of pushing the sheet or sheet bundle into the removal station with the original leading edge ahead. Since the front edges of a bundle of sheets are always flush with one another even if it contains sheets of different lengths, the difficulties encountered in the known construction when pushing out a bundle of sheets no longer exist here.
  • the drum is assigned pressure elements which contact the drum when the clamping elements are adjusted in their retracted position that the sheet or sheet bundle is transported by a drum rotation in the forward direction and by the respective turnout arrangement which becomes effective when the drum rotates in the forward direction Removal compartment is steered.
  • lifting projections are arranged on the clamping elements, which protrude from the outer surface of the drum when the clamping elements are moved into their retracted position and lift the front edges of the sheet material from the drum.
  • the switches can be designed in a simple manner as guides arranged at a certain distance from the lateral surface, which take over the leading edges of the sheet lifted from the lifting projections.
  • guide elements which are spring-biased against the lateral surface of the drum and extend over part of the drum circumference are provided; these hold the sheets already on the lateral surface when the clamping elements are opened to take over additional sheets.
  • a very simple constructive solution for the adjustment drive of the clamping elements results from the fact that the clamping elements are drive-connected to a toothed pinion arranged coaxially to the drum axis, which pinion can be coupled via a coupling to a drive motor arranged stationary in the device. Due to the coaxial introduction of the adjusting drive of the clamping elements to the drum axis, there is no need to provide in the drum itself a drive rotating with this and the clamping elements. In another Embodiment is provided that a plurality of clamping elements are provided in the axial direction of the drum over the drum length, which are seated on a common rotary drive shaft, and that the rotary drive shaft is connected to the pinion via a crank mechanism.
  • the clamping elements are preferably arranged on the rotary driving shaft with play effective in the adjustment direction of these clamping elements and are each prestressed in the direction of the clamping position by a torsion spring. In this way, the clamping elements can adapt to sheet bundles of uneven thickness, each clamping element applying essentially the same clamping pressure.
  • the crank mechanism forming part of the adjustment drive for the clamping elements comprises a circumferentially toothed crank disk which is in engagement with the pinion and has a crank pin arranged eccentrically to the crank disk axis, as well as a pivoting lever on the rotary driving shaft which is transverse to the shaft axis and which has a longitudinal axis of the Swivel lever-running slot for the engagement of the crank pin.
  • the rotary movement of the drive motor is transmitted to the rotary drive shaft via the clutch activated in this operating phase, the coaxial pinion, the crank disk and the swivel lever.
  • Such a crank mechanism can always be adjusted to a dead center position in which the longitudinal axis of the pivot lever and the connecting line between the center of the crank disk and the crank pin form a right angle.
  • crank mechanism is designed so that it assumes such a dead center in the clamping position of the clamping elements. In this way it is possible that the clamping elements in their clamping position have a self-hold, so that the drive motor can be uncoupled from the crank mechanism by means of the clutch; the clamping elements maintain their clamping force even when the drive motor is uncoupled.
  • a removal station accessible from outside the device and preferably also a removal station not accessible from outside the device are provided, each of which is assigned a deflection device.
  • a device is provided in particular for the issue of money, bank receipts or the like, the accessible removal station being used to prepare the receipts for the customer to take out.
  • the possibly added, inaccessible removal station serves to take up not removed documents (reject compartment).
  • the pressure elements are designed in a manner known per se as freely rotatable pressure rollers.
  • the drum in each case in the circumferential direction at a distance from the lateral surface, each extending between the feed and removal stations extending guide devices are assigned; these ensure that the leaf bundles collected on the lateral surface cannot fan out, particularly at the rear edge thereof.
  • the guide devices are at least partially at their upstream ends with respect to the forward direction of rotation of the drum and / or shaped their downstream ends as deflectors.
  • the sheet material is fed to the device as a strip material and is separated into individual sheets only immediately before the device.
  • the feed station is assigned a cutting device for cutting sheet material fed to length from the device and that the paper transport of the feed station, the cutting device and the rotary drive of the drum can be synchronized with one another.
  • the strip material is then introduced, for example, with its front edge into the clamping device, clamped by the clamping elements, then conveyed further by rotating the drum and then cut in the cutting device according to a specified sheet length.
  • the synchronization of the cutting device with the rotary drive of the drum ensures that exact sheet lengths are cut.
  • the device shown schematically in cross section in FIGS. 1 and 2 comprises a drum 2, which is rotatably mounted about a longitudinal axis 4 in a manner not shown.
  • the drum 2 has an axial length which corresponds approximately to the greatest occurring width of the sheets to be processed.
  • a rotary drive shaft 6 is rotatably mounted within the drum 2.
  • Several identical clamping elements 8 sit on the rotary drive shaft 6 in the axial direction over the length of the rotary drive shaft.
  • the rotary drive shaft 6 has a specific, non-circular cross-sectional profile; the clamping elements 8 are each provided with a recess corresponding to the cross-sectional profile of the rotary driving shaft 6, so that the clamping elements 8 can be rotated reliably by the rotating driving shaft 6.
  • the recesses of the clamping elements are dimensioned such that the clamping elements 8 can rotate by a certain amount in relation to the rotary driving shaft 6.
  • each clamping element 8 is assigned a torsion spring, not shown for reasons of better clarity, which the clamping element in the direction of the clamping position, i.e. in Figures 1 and 2 clockwise, preload.
  • the clamping elements 8 each consist of a hub section 8a seated on the rotary driving shaft 6 and a hook-shaped one which projects outwards through a corresponding opening in the lateral surface of the drum 2 Clamping section 8b.
  • the clamping elements 8 are adjusted, for example, between the release position shown in solid lines in FIG. 1 and the clamping position indicated by dashed lines.
  • the clamping elements 8 can also be adjusted to a further retreat position, which is explained in more detail with reference to FIG. 2.
  • the adjustment drive means for adjusting the clamping elements 8 comprise a toothed pinion 10 which is arranged coaxially to the longitudinal axis 4 of the drum 2.
  • the latter and the drum 2 can optionally be coupled to a drive motor (not shown) which is installed in the device in a stationary manner.
  • the toothed pinion 10 meshes with a crank disk 12 which can be rotated in the drum 2 about an axis parallel to the longitudinal axis 4 of the drum and on which a crank pin 14 is provided which is arranged eccentrically to the crank disk axis.
  • a pivot lever 16 extending transversely thereto is arranged in a rotationally fixed manner.
  • the pivot lever 16 has a slot 18 running in the longitudinal direction of the pivot lever, into which the crank pin 14 engages.
  • the clamping position shown in broken lines represents a dead position of the crank mechanism, since the longitudinal axis of the The pivot lever 16 on the one hand and the connecting line between the crank disc axis and the crank pin 14 on the other hand are substantially perpendicular to one another; this means that the crank mechanism and thus the clamping elements 8 are self-holding in this position, so that the clamping elements 8 cannot open due to reaction forces acting on them.
  • the clamping elements 8 maintain their clamping force even when the crank mechanism is uncoupled from the drive motor, not shown.
  • the drum 2 In order to take over a sheet 22 coming from a feed device, not shown, in the direction of arrow 20, the drum 2 is moved via a rotary drive, not shown, into the take-over position shown in FIG. 1, in which the clamping elements 8 are in the transfer station designated as a whole by 24 are located.
  • the clamping elements 8 are adjusted into their release position shown in FIG. 1 by means of the drive motor coupled in for this purpose via the crank mechanism 12, 14, 16.
  • the sheet 22 is advanced by the transport means assigned to the feed device until its front edge is in the region of the clamping elements 8.
  • the clamping elements 8 are then adjusted to the self-holding clamping position shown in dashed lines in FIG. 1 and the coupling between the pinion 10 and the drive motor (not shown) is released.
  • the drum 2 is then rotated in the (+) direction by the associated rotary drive in order to draw in the sheet. Since the drum circumference is designed to be larger than the length of the sheets to be processed, the pulling-in process is ended when the drum 2 again assumes its transfer position shown in FIG. 1. Here, the sheet 22 through which the drum 2 with a certain radial spacing surrounding guide devices 26 and 28 are held substantially in contact with the outer surface of the drum 2.
  • the clamping elements 8 are opened again after each pulling-in process, so that a new sheet can be inserted and clamped.
  • guide elements 30, which are resiliently biased against the lateral surface of the drum 2 and extend over a part of the drum circumference, are arranged in the region of the transfer station 24. These consist for example of spring lamellae, which are each arranged between the clamping elements 8 in the axial direction of the drum. With each pulling-in process, the respectively drawn-in sheet is drawn between the outer surface of the drum 2 and the guide elements 30, so that when the clamping elements 8 are opened for the purpose of taking over a new sheet, the already drawn-in sheets are held by the guide elements 30. In this way, multiple repetitions of the process described above can form sheet bundles consisting of several sheets.
  • the drum In order to discharge a sheet or a bundle of sheets, the drum is moved into a first transfer position, designated 2 'in FIG. 2, in which the clamping elements 8 are located in a first transfer station, designated overall as 32. In this position, the clamping elements 8 are adjusted via the crank mechanism 12, 14, 16 into the retracted position designated by 8 'in FIG. 2, in which the clamping sections are retracted so far into the interior of the drum that they cause the sheet 22 to run tangentially from the Do not hinder the drum anymore. Lifting projections are on the clamping elements 8c, which emerge from the outer surface of the drum 2 when the clamping elements 8 are in the retracted position and lift the sheet 22 or the sheet bundle in the region of its front edge from the drum, as shown in FIG.
  • the first transfer station is assigned pressure elements known per se, designed as freely rotatable pressure rollers 34, which can be adjusted between the active position shown in FIG. 2, which bears against the drum 2, and a raised position.
  • the pressure rollers 34 are pivoted into their operative position.
  • the sheet 22 or the sheet bundle is transported further with the original front edge ahead and pushed onto the deflection device 36, which guides the sheet 22 into the removal station, designated 38, which follows the first transfer station 32 .
  • the sheets can be removed after the pressure rollers 34 have been pivoted back into their raised position.
  • the pressure rollers 34 are pivoted back into their operative position and the drum 2 is rotated in the (-) direction up to the first transfer position denoted by 2 ', the sheets from the Withdrawal station 38 can be withdrawn again.
  • the clamping elements 8 are moved back into their clamping position and the drum 2 is moved in the (+) direction up to the second transfer position labeled 2 ′′ in FIG. 2, in which the clamping elements 8 are located in a second transfer station labeled 40, which is assigned to a reject compartment 40.
  • the drum 2 will be the clamping elements 8 are again moved into their release position via the associated crank mechanism 12, 14, 16, in which the clamping sections 8b are retracted to such an extent that they allow the leaves to tangentially run off the drum surface; the lifting projections 8c emerging simultaneously from the lateral surface of the drum 2 raise the sheets in the region of their front edge from the drum 2 and guide them over a deflection device 44 which directs the sheets into the reject compartment 42.
  • the second transfer station 40 is in turn assigned pressure rollers 46 which can be pivoted between the operative position shown in FIG. 2, lying on the drum surface, and a raised position. When the clamping elements 8 are opened, the pressure rollers 46 are pivoted into their operative position. By rotating the drum 2 in the (+) direction, the sheets are conveyed along the deflection device 44 into the reject compartment 42. The pressure rollers 46 are then lifted off again and the drum 2 is moved again into the takeover position shown in FIG.
  • the guide devices 26, 28 each consist of a plurality of brackets distributed over the drum length and arranged between the circulating circles of the clamping elements 8.
  • the bracket 26 is bent at its upstream end with respect to the (+) direction of the drum 2 so that it simultaneously forms the deflection device 44.
  • the guide device 28 is bent at its upstream end so that it forms the deflection device 36. At its downstream end, it is shaped into a guide device 48 which guides the sheet 22 coming from the feed device tangentially onto the drum surface.
  • a take-over or feed station 24 is assigned a cutting device, which is designated as a whole by 50.
  • This has a knife arrangement 52, by means of which sheet material supplied as a band to the drum 2 can be cut into individual sheets.
  • the knife arrangement 52 can be synchronized with the rotary drive of the drum 2, so that the knife arrangement is actuated in each case according to a predetermined angle of rotation of the drum 2, which corresponds to a certain retracted sheet length.
  • FIG. 3 shows a block diagram for the device shown in FIGS. 1 and 2 and cooperating with a cutting device 50.
  • step S1 in which the drum 2 is in the takeover position shown in FIG. 1, the clamping elements 8 are opened, the document is taken over and then the clamping elements are closed again.
  • step S2 the drum 2 is rotated in the (+) direction and the sheet is drawn to the cut length.
  • step S3 the cutting device 50 is actuated and the sheet is cut off.
  • step S4 the sheet is pulled completely onto the outer surface of the drum. If a sheet bundle is to be formed, steps S1 to S4 are repeated several times.
  • step S5 the drum is rotated into the first transfer position designated 2 'in FIG.
  • step S6 the clamping elements 8 are opened and the sheets are pushed out in the manner described above to such an extent that they can be removed from the removal station 38.
  • step S7 for example, after a predetermined time has elapsed, whether the sheets have been removed from the removal station 38 or not. Once removed, the procedure can be repeated.
  • step S8 the clamping elements 8 close again in step S8 so that the sheets can be withdrawn again from the removal station 38.
  • the drum is then moved in step S9 to the second transfer position designated by 2 ′′ in FIG. 2, which is assigned to the reject compartment 42, which is not accessible from the outside.
  • step S10 the clamping elements 8 are opened and the sheets are pushed into the reject compartment 42 in the manner described above. The process can then be carried out again.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Discharge By Other Means (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
EP93111149A 1992-07-31 1993-07-12 Procédé pour transférer des feuilles et transporter des feuilles vers une unité de sortie Expired - Lifetime EP0581102B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4225418A DE4225418C2 (de) 1992-07-31 1992-07-31 Einrichtung zum Übernehmen von Blattmaterial und zum Übergeben des Blattmaterials an eine Entnahmestation
DE4225418 1992-07-31

Publications (2)

Publication Number Publication Date
EP0581102A1 true EP0581102A1 (fr) 1994-02-02
EP0581102B1 EP0581102B1 (fr) 1996-10-23

Family

ID=6464617

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93111149A Expired - Lifetime EP0581102B1 (fr) 1992-07-31 1993-07-12 Procédé pour transférer des feuilles et transporter des feuilles vers une unité de sortie

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Country Link
EP (1) EP0581102B1 (fr)
DE (2) DE4225418C2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0878782A1 (fr) * 1997-05-14 1998-11-18 Asahi Seiko Kabushiki Kaisha Dispositif pour traiter des feuilles
WO2004027719A1 (fr) * 2002-09-17 2004-04-01 O.R.M.A.G. S.P.A. Systeme d'inspection pour supports de securite
KR100510369B1 (ko) * 1997-05-14 2006-07-25 아사히 세이코 가부시키가이샤 쉬트체를처리하는장치

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19500899A1 (de) * 1995-01-13 1996-07-18 Ibm Sammeleinheit für blattförmige Erzeugnisse
DE19653487C1 (de) * 1996-12-20 1998-07-23 Siemens Nixdorf Inf Syst Belegdruckeinrichtung mit Belegsammelstation
DE19706133C1 (de) * 1997-02-17 1998-04-23 Siemens Nixdorf Inf Syst Einrichtung zum Übernehmen von Blattmaterial und zum Übergeben des Blattmaterials an eine Entnahmestation
DE102004030143A1 (de) * 2004-06-22 2006-01-19 Giesecke & Devrient Gmbh Vorrichtung und Verfahren zur Bearbeitung von Banknoten

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2099325A5 (fr) * 1970-07-16 1972-03-10 Oce Van Der Grinten Nv
DE2926387A1 (de) * 1979-06-29 1981-01-08 Windmoeller & Hoelscher Sammelzylinder zum bilden von stapeln aus flachen werkstuecken
DD275034A1 (de) * 1988-08-29 1990-01-10 Polygraph Leipzig Vorrichtung zum foerdern und oeffnen von falzbogen
DE3914178A1 (de) * 1989-04-28 1990-10-31 Nixdorf Computer Ag Verfahren zum uebernehmen und zum weitergeben von blattmaterial an eine ausgabestation sowie einrichtung zur durchfuehrung dieses verfahrens

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4056263A (en) * 1974-06-10 1977-11-01 Xicon Data Entry Corporation Drumless paper transporter
JPS5270834A (en) * 1975-10-09 1977-06-13 Ricoh Co Ltd Apparatus for automatically supplying and discharging paper
NL7807513A (nl) * 1978-07-12 1980-01-15 Meulen Leonard V D Inrichting voor het stapelen van zakken uit dunwandig materiaal.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2099325A5 (fr) * 1970-07-16 1972-03-10 Oce Van Der Grinten Nv
DE2926387A1 (de) * 1979-06-29 1981-01-08 Windmoeller & Hoelscher Sammelzylinder zum bilden von stapeln aus flachen werkstuecken
DD275034A1 (de) * 1988-08-29 1990-01-10 Polygraph Leipzig Vorrichtung zum foerdern und oeffnen von falzbogen
DE3914178A1 (de) * 1989-04-28 1990-10-31 Nixdorf Computer Ag Verfahren zum uebernehmen und zum weitergeben von blattmaterial an eine ausgabestation sowie einrichtung zur durchfuehrung dieses verfahrens

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0878782A1 (fr) * 1997-05-14 1998-11-18 Asahi Seiko Kabushiki Kaisha Dispositif pour traiter des feuilles
US6092730A (en) * 1997-05-14 2000-07-25 Asahi Seiko Co., Ltd. Apparatus for counting and dispensing sheet objects
KR100510369B1 (ko) * 1997-05-14 2006-07-25 아사히 세이코 가부시키가이샤 쉬트체를처리하는장치
WO2004027719A1 (fr) * 2002-09-17 2004-04-01 O.R.M.A.G. S.P.A. Systeme d'inspection pour supports de securite
US7423738B2 (en) 2002-09-17 2008-09-09 Officina Riparazioni Macchine Grafiche-O.R.M.A.G.-S.P.A. Inspecting system for security documents

Also Published As

Publication number Publication date
DE4225418A1 (de) 1994-02-03
DE59304257D1 (de) 1996-11-28
EP0581102B1 (fr) 1996-10-23
DE4225418C2 (de) 1996-06-13

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