EP0527091A1 - Verfahren und Vorrichtung für die Umverpackung von Gepäck von Benutzern verschiedener Transportmittel - Google Patents

Verfahren und Vorrichtung für die Umverpackung von Gepäck von Benutzern verschiedener Transportmittel Download PDF

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Publication number
EP0527091A1
EP0527091A1 EP92402253A EP92402253A EP0527091A1 EP 0527091 A1 EP0527091 A1 EP 0527091A1 EP 92402253 A EP92402253 A EP 92402253A EP 92402253 A EP92402253 A EP 92402253A EP 0527091 A1 EP0527091 A1 EP 0527091A1
Authority
EP
European Patent Office
Prior art keywords
luggage
baggage
envelope
conveyor
transverse
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
EP92402253A
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English (en)
French (fr)
Other versions
EP0527091B1 (de
Inventor
Daniel Laury
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.)
P R O B A G SA
Original Assignee
P R O B A G SA
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 P R O B A G SA filed Critical P R O B A G SA
Publication of EP0527091A1 publication Critical patent/EP0527091A1/de
Application granted granted Critical
Publication of EP0527091B1 publication Critical patent/EP0527091B1/de
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
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B25/00—Packaging other articles presenting special problems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B53/00—Shrinking wrappers, containers, or container covers during or after packaging
    • B65B53/02—Shrinking wrappers, containers, or container covers during or after packaging by heat
    • B65B53/06—Shrinking wrappers, containers, or container covers during or after packaging by heat supplied by gases, e.g. hot-air jets
    • B65B53/063—Tunnels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B53/00—Shrinking wrappers, containers, or container covers during or after packaging
    • B65B53/02—Shrinking wrappers, containers, or container covers during or after packaging by heat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B2220/00—Specific aspects of the packaging operation
    • B65B2220/24—Cooling filled packages

Definitions

  • the present invention relates to a method and a machine for overpacking luggage of users of various means of transport and in particular of passengers of air transport.
  • Luggage such as rigid or flexible suitcases, bags, golf bags, pairs of skis, etc ...
  • passengers of means of transport and in particular of air transport often undergo, during transport, damage resulting from shocks , friction or bad weather.
  • they can be forced during their handling and the owners of the luggage can only note the theft of which they were the object, during the recovery of their luggage.
  • they can be opened for terrorist purposes by installing an explosive device inside.
  • an automatic protective wrapping machine intended to be used with luggage of different dimensions.
  • This machine comprises conveyors for moving the luggage in the direction of a heat shrinking tunnel oven, the luggage being wrapped in a heat shrinkable plastic material welded all around each piece of luggage, so as to form a completely closed continuous envelope.
  • Optical sensors are provided to detect the dimensions of the various pieces of luggage and to correlatively control the operation of sealing bars of the plastic sheet around each piece of luggage.
  • the present invention aims to simplify and improve such a machine and it aims to provide a method and a machine ensuring, automatically and by very simple means, the protection of passenger baggage, whatever their dimensions , while facilitating their subsequent handling, once this baggage is overpackaged.
  • this method of overpacking baggage which has, on at least one of its faces, a carrying handle, is characterized in that a protective envelope made of plastic material is in contact with each bag. the external surface of the luggage, with the exception of an area left open to allow access to the carrying handle, once the protective envelope has been placed around the luggage.
  • the subject of the invention is also a machine for overpacking luggage, of different shapes and sizes, for users of various means of transport which have, on one of their faces, a carrying handle, comprising means for forming, around each piece of baggage, a protective plastic envelope, characterized in that the means for forming the envelope are arranged so as to leave, in this envelope, an opening extending opposite the handle of the baggage.
  • the overwrapping machine using a sheet of heat-shrinkable plastic material, comprising means for forming around each baggage, from this sheet, a tubular envelope open at its two ends and a shrink tunnel oven through which then pass, on a conveyor, the successive baggage surrounded by their respective tubular protective envelopes, is characterized in that the means for forming the envelope are arranged so that this envelope slightly overflows towards the exterior with respect to the face of the luggage carrying the handle and that, on the contrary, it protrudes towards the exterior, with respect to the face of the luggage opposite to the previous one, over a variable distance depending on the size of the luggage although we get, at the exit of the tunnel oven, following the shrinkage of the plastic, fully overpacked baggage with the exception of an opening which is formed, during the shrinkage of the heat-shrinkable envelope, on the side where the carrying handle is located and facing it.
  • FIG. 1 is a schematic plan view of an automatic machine for overpacking passenger baggage according to the invention, forming, around each baggage, a protective envelope made of heat-shrinkable plastic.
  • FIG. 2 is a schematic vertical and longitudinal sectional view of the machine shown in FIG. 1.
  • Figures 3,4,5 and 6 are schematic views in vertical and transverse section, on a larger scale, made respectively along lines III-III, IV-IV, V-V and VI-VI of Figure 2.
  • Figure 7 is a front view of an overpacked bag according to the invention, on the side where its carrying handle is located.
  • Figure 8 is a partial schematic plan view of an alternative embodiment of the baggage overwrapping machine.
  • FIG. 9 is a partial schematic elevation view of the machine shown in FIG. 8.
  • Figure 10 is a partial perspective view showing the rear of an overwrapped baggage, obtained after welding of its envelope in the machine shown in Figures 8 and 9, and the welding and cutting device.
  • FIG. 11 is a perspective view showing the front of the overwrapped baggage shown in FIG. 10.
  • Figure 12 is a perspective view of the baggage shown in Figures 10 and 11 after shrinking its envelope.
  • Figures 13, 14 and 15 are schematic plan views of another alternative embodiment of the overwrapping machine according to the invention, used with baggage of different dimensions.
  • FIG. 16 is a perspective view of overwrapped baggage by means of a heat-shrunk strip.
  • the automatic machine according to the invention which is shown diagrammatically in FIGS. 1 and 2, is intended to form, around passenger baggage, a protective envelope with regard to the damage which may be caused to the baggage itself during its transport , with regard to objects contained in the luggage and which can be stolen, as well as with regard to an untimely opening of the luggage for any other reason during its handling.
  • the machine successively comprises, from upstream to downstream, a baggage arrival station 1, a station 2 for forming a tubular protective envelope, of shrinkable thermoplastic material, around each baggage, a tunnel oven for shrinkage 3 and a cooling device 4.
  • the baggage 5 which must be overpacked and which consists of suitcases, bags, etc., generally has a face 5a on which a carrying handle is fixed 6.
  • the baggage 5 is moved , through successive positions 1-4 of the machine, by means of several endless horizontal and longitudinal conveyors driven in the same direction, that is to say from left to right in Figures 1 and 2, namely an upstream inlet conveyor 7, an intermediate wrapping conveyor 8 and a downstream conveyor 9 extending through the shrinking oven 3.
  • the luggage 5 is placed flat on the upstream conveyor 7 and they are deposited on this conveyor so as to be all in the same longitudinal position.
  • they are arranged in such a way that their length extends in the longitudinal direction of the machine and that their faces 5a on which their transport handles 6 are fixed, are placed against a lateral stop 11 which is constituted by a vertical plate and longitudinal extending above the conveyor 1, on one side thereof, in this case on the left side of the direction of movement in FIG. 1.
  • This stop 11 thus defines a vertical and longitudinal reference plane for the positioning of the luggage 5 on the upstream conveyor 7 and the continuation of the overpacking operations.
  • This wrapping station may itself be of any known type, for example that used in machines shrink wrappers used in particular for the distribution of food products.
  • Station 2 will therefore not be described in detail and it suffices to indicate that this station comprises a device 12 for forming, in the interval between the two carriers 7 and 8, a vertical and transverse curtain made up of at least one sheet. 13 of heat-shrinkable plastic.
  • the sheet 13 is in fact formed by two sheets welded together transversely and unwound respectively from two upper 12a and lower 12b coils of horizontal and transverse axes.
  • a transverse cutting and welding device 14 comprising welding jaws and a cutting blade, is provided a little downstream of the device 12 for feeding the sheet 13, to produce, upstream of the luggage, on the one hand, a transverse joint 15 between the two sheets coming from the two coils 12a, 12b, to reconstitute the continuous vertical sheet 13 and, on the other hand, another transverse joint 15a close to the upstream transverse face 5d of the baggage 5 having driven the sheet 13, as well as a cross section between the two seals 15 and 15a.
  • the baggage 5 After the passage of each baggage 5 through the sheet 13, the baggage 5 is provided, downstream, of a tubular envelope 16, which is obtained by winding the sheet 13 around the baggage 5 and more particularly around a transverse direction, that is to say perpendicular to the face 5a of the luggage carrying the handle 6, this tubular envelope being defined by the two opposite transverse welding joints 15 and 15a.
  • the coils 12a and 12b of the device 12 for supplying the sheet of heat-shrinkable material 13 are placed in a transverse position, relative to the lateral stop 11 determining the transverse position of the luggage 5, such so that the tubular casing 16 formed by the sheet 13 around each piece of luggage 5 projects slightly outward, in the transverse direction, by a small distance a (FIGS. 4 and 5), relative to the face 5a of the luggage 5 carrying the handle 6.
  • the sheet 13 whose width d is chosen to be large enough to be greater than the largest dimension of the luggage 5 in a direction perpendicular to its face 5a carrying the handle 6, projects more or less strongly, d 'a distance b, with respect to the opposite longitudinal face 5b of the luggage 5, as can be seen in FIGS. 4 and 5.
  • the envelope 16 is open at its two ends, in the transverse direction of the machine, thus revealing all of the longitudinal faces 5a and 5b of the luggage 5.
  • the baggage 5 thus provided with its tubular envelope 16 then passes over the downstream conveyor belt 9 and it is driven by the latter through the shrinking tunnel oven 3.
  • the tubular envelope 16 then retracts on all sides on the baggage 5 and the marginal parts of the sheet 13 which are slightly projecting, from the distance a, with respect to the longitudinal face 5a of the luggage 5, retract only over a small width of this longitudinal face 5a, from each longitudinal edge of the luggage.
  • These retracted parts 16a, of small width, of the envelope 16 appear clearly in FIG. 7 and we see that they delimit between them an elongated opening 17 through which the handle 6 appears and which allows access to it. this.
  • the machine according to the invention is equipped, at the outlet of the shrinking oven 3, with a smoothing brush 18 which is carried by a movable support 19 so as to be applied against the mass 16b of the envelope 16, then still soft, which is located opposite the longitudinal face 5b of the luggage 5.
  • This soft mass is more or less important according to the surplus distance b of the tubular casing 16, that is to say according to the dimension of the luggage in the direction perpendicular to its longitudinal faces 5a and 5b.
  • the smoothing brush 18 makes it possible to apply and crush, against the longitudinal face 5b of the luggage 5, the excess plastic material of the mass 16b, in order to make the corresponding face of the cooled envelope as flat as possible.
  • the envelope 16 After passing under the cooling device 4, of any known type, blowing cold air from top to bottom, the envelope 16 is then completely cooled and hardened and the wrapped baggage 5 can then be removed, in a protected state, for further transport.
  • the cooling device also makes it possible to cool the rollers of the conveyor 9 passing through the tunnel oven 3, thanks to this the length of the conveyor can be slightly shortened.
  • the baggage 5 is placed flat on the upstream conveyor 7 so that its length extends in the transverse direction of the machine and the face 5a of each piece of luggage on which its transport handle 6 is fixed, either located in front, that is to say facing downstream or to the right in FIGS. 8 and 9.
  • the transverse welding device and cutting 14 comprises, on each side of the horizontal baggage transport plane 5, three elements, namely an upstream welding jaw 14a, an intermediate cutting blade 14b and a downstream welding jaw 14c which extend vertically and transversely.
  • the downstream jaw 14c is continuous, that is to say that it extends over the entire length of the transverse welding zone, while on the contrary the upstream welding jaw 14a is interrupted in its central part 14d, so as to have only two opposite lateral active parts 14e and 14f. Consequently, when the tubular envelope 16 has been formed as a result of its welding on either side of the luggage 5, as shown in FIGS. 10 and 11, this envelope 16 has, on the upstream side, a seal of continuous transverse weld 16d and, on the downstream side, two separate weld joints 16b, 16c, extending transversely and separated from each other so as to delimit between them the elongated opening 17 through which the handle appears 6 of the baggage.
  • the vertical and transverse curtain in which each baggage 5 is engaged arranged transversely as in the case of the machine shown in FIGS. 8 and 9, consists of several sheets of heat-shrinkable plastic material coming from several coils installed side by side, for example three in number, namely the sheets 13a, 13b, 13c which extend vertically between the upper and lower supply coils 21a, 21b, 21c, being adjacent to each other and located in the same vertical and transverse plane.
  • the coils 21a, 21b, 21c of the respective sheets 13a, 13b, 13c are mounted coaxially and they can be selectively rotated from a common drive device 22, via respective clutch devices.
  • the drive device 22 is controlled by a sensor 23 detecting the length of each piece of luggage 5 placed on the upstream conveyor 7, that is to say its largest dimension in the transverse direction of the machine.
  • the sensor 23 issues an order to the drive device 22 so as to rotate only the first reel 21a unwinding the sheet 13a.
  • the luggage 5 is only overwrapped with the sheet 13a which corresponds substantially to its length dimension.
  • the sensor 23 emits a signal towards the drive device 22 which causes the drive of the two coils 21a and 21b, in order to simultaneously unwind the two sheets 13a and 13b. These two sheets then constitute two adjacent tubular envelopes around the luggage 5.
  • the machine shown diagrammatically in FIGS. 13 to 15 thus makes it possible to reduce the consumption of plastic sheets, by using for each piece of luggage one or more sheets so as to obtain one or more tubular envelopes as a function of the length of the luggage.
  • FIG. 16 schematically illustrates a bag 5 overwrapped in an envelope 16 forming a strip and having, in addition to its carrying handle 6, an auxiliary handle 24, on a side face left visible by the heat-shrunk tubular envelope 16 and which is opposite to rollers 25 rotatably mounted in an opposite angle to the luggage 5.
  • tubular envelope 16 made of heat-shrinkable plastic could also be formed manually on a commercial packaging machine known as an "L-sealer".
  • the welding jaw located opposite the face of the luggage carrying its handle 6 would be interrupted in its central part, like the jaw 14a of FIG. 10, to create the opening 17 opposite the handle 6.
  • each piece of luggage 5 is overwrapped by means of a protective envelope made of a heat-shrinkable material
  • this envelope could be made of any other plastic material can be easily and quickly put in place around each piece of luggage 5, while leaving an opening opposite its handle.
  • the process according to the invention could be implemented in a machine using a material sprayed in the fluid state on the luggage and hardening rapidly, or alternatively a material forming a foam shell of a cellular material or of the foam type.
  • a material sprayed in the fluid state on the luggage and hardening rapidly or alternatively a material forming a foam shell of a cellular material or of the foam type.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Basic Packing Technique (AREA)
  • Vending Machines For Individual Products (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Packages (AREA)
EP92402253A 1991-08-07 1992-08-07 Verfahren und Vorrichtung für die Umverpackung von Gepäck von Benutzern verschiedener Transportmittel Expired - Lifetime EP0527091B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9110075A FR2680154B1 (fr) 1991-08-07 1991-08-07 Procede et machine de suremballage de bagages des usagers de divers moyens de transport.
FR9110075 1991-08-07

Publications (2)

Publication Number Publication Date
EP0527091A1 true EP0527091A1 (de) 1993-02-10
EP0527091B1 EP0527091B1 (de) 1995-10-18

Family

ID=9416016

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92402253A Expired - Lifetime EP0527091B1 (de) 1991-08-07 1992-08-07 Verfahren und Vorrichtung für die Umverpackung von Gepäck von Benutzern verschiedener Transportmittel

Country Status (9)

Country Link
US (1) US5299406A (de)
EP (1) EP0527091B1 (de)
JP (1) JPH05262330A (de)
KR (1) KR930004156A (de)
AT (1) ATE129214T1 (de)
CA (1) CA2075215A1 (de)
DE (1) DE69205521T2 (de)
FR (1) FR2680154B1 (de)
IL (1) IL102663A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2702742A1 (fr) * 1993-03-18 1994-09-23 Bine Claude Dispositif et procédé de protection de bagages individuels.
WO2007150079A1 (en) * 2006-06-22 2007-12-27 Baggage Protection Services-International (Pty) Limited Method and apparatus for protecting luggage
EP2128029A1 (de) * 2008-05-28 2009-12-02 Ferag AG Vorrichtung und Verfahren zum Verpacken von flachen Gegenständen

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5531059A (en) * 1994-09-30 1996-07-02 Dickinson; Donald L. Method for shrink wrapping luggage
US5544470A (en) * 1995-04-06 1996-08-13 Illinois Tool Works Inc. Machine and process for sealing wrapped epoxy sticks
CA2162637C (en) * 1995-11-10 2000-04-25 Secure Luggage Systems Inc. Method for wrapping luggage
IT246650Y1 (it) * 1999-04-15 2002-04-09 Minipack Torre Spa Macchina confezionatrice a tunnel per l'impaccamento con film termoretraibile
ITMI20011598A1 (it) * 2001-07-25 2003-01-25 Italdibipack Spa Macchina a campana per il confezionamento di prodotti in film termoretraibile monopiega
ITMI20011825A1 (it) * 2001-08-29 2003-03-01 Smi Spa Forno a tunnel di termoretrazione per la produzione di imballaggi in pellicole di materiale termoretraibile e procedimento di imballaggio re
US6915620B2 (en) * 2002-05-10 2005-07-12 Reynolds Metals Company Shrink tunnel assembly
DE10336721A1 (de) * 2003-08-11 2005-03-17 Anastasia Milona Schutzhülle für Reisegepäck
US20050235609A1 (en) * 2004-04-21 2005-10-27 French Larry W Method and apparatus for film encapsulation of irregularly shaped articles
US20060021293A1 (en) * 2004-07-30 2006-02-02 Arpac. L.P. Movable U-bar sealing device and a method for shrink wrapping a load with a flexible material
ITBO20050188A1 (it) * 2005-03-24 2005-06-23 Gd Spa Metodo e dispositivo per la finitura di pacchetti provvisti di rispettivi sovraincarti di materiale termorestringente
US7522053B2 (en) 2005-11-14 2009-04-21 Jeffrey Douglas Johnson Method and apparatus for preventing luggage mishandling in public transportation systems
DE102008052633A1 (de) * 2008-10-22 2010-04-29 Khs Ag Verfahren und Vorrichtung zur Herstellung einer Verpackungseinheit
US20110023413A1 (en) * 2009-07-31 2011-02-03 Ishida Co., Ltd. Packaging apparatus
US8549823B2 (en) 2010-02-03 2013-10-08 R. J. Reynolds Tobacco Copmany Five-sided cigarette carton packaging
US20120240525A1 (en) * 2011-03-25 2012-09-27 Summerford Wayne C Method and System for Applying Tamper Evident Banding
US8468778B2 (en) 2011-09-23 2013-06-25 Friedrich Windheuser Single-hand self-contained cohesive stretch film baggage wrapping device
SG193661A1 (en) * 2012-03-23 2013-10-30 Li Jun Duan An open-style heat-shrink wrapping system for the protection of luggage
WO2014116476A1 (en) * 2013-01-24 2014-07-31 Ossid Llc Method and apparatus for shrinking end seams around a product
US20150053698A1 (en) * 2013-08-21 2015-02-26 Alain Cerf Cooling Film Wrapped Articles
JP2016216095A (ja) * 2015-05-21 2016-12-22 株式会社ハナガタ 包装装置
CN111977068B (zh) * 2020-09-18 2021-08-06 河北中和铸造有限公司 一种物流中心包装流水线

Citations (3)

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GB1014219A (en) * 1963-07-19 1965-12-22 Dow Chemical Co Apparatus and method for producing a trayless package having heat shrinkable plastics film covering
GB1341644A (en) * 1971-12-20 1973-12-25 Schweppes Ltd Shrink wrapping of articles
WO1987000144A1 (en) * 1985-07-09 1987-01-15 Baggage Pack Italia S.P.A. Machine for automatic protective wrapping for use with different-sized baggage

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US2705857A (en) * 1953-07-28 1955-04-12 F & F Lab Inc Method of and apparatus for making wrapped candy suckers
US2909877A (en) * 1955-03-08 1959-10-27 Cps Mfg Company Container wrapping assemblage
US3447280A (en) * 1967-04-10 1969-06-03 Owens Illinois Inc Packaging assembling apparatus
US3513622A (en) * 1967-08-03 1970-05-26 Karl Ernst Timmerbeil Packaging of articles
GB1255004A (en) * 1967-12-20 1971-11-24 Flowtrap Ltd Improvements relating to parcels and to a method of forming them
US3815313A (en) * 1972-10-04 1974-06-11 R Heisler Apparatus and method for automatically sizing and wrapping a shrink wrap envelope around advancing luggage

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1014219A (en) * 1963-07-19 1965-12-22 Dow Chemical Co Apparatus and method for producing a trayless package having heat shrinkable plastics film covering
GB1341644A (en) * 1971-12-20 1973-12-25 Schweppes Ltd Shrink wrapping of articles
WO1987000144A1 (en) * 1985-07-09 1987-01-15 Baggage Pack Italia S.P.A. Machine for automatic protective wrapping for use with different-sized baggage

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2702742A1 (fr) * 1993-03-18 1994-09-23 Bine Claude Dispositif et procédé de protection de bagages individuels.
WO2007150079A1 (en) * 2006-06-22 2007-12-27 Baggage Protection Services-International (Pty) Limited Method and apparatus for protecting luggage
EP2128029A1 (de) * 2008-05-28 2009-12-02 Ferag AG Vorrichtung und Verfahren zum Verpacken von flachen Gegenständen

Also Published As

Publication number Publication date
JPH05262330A (ja) 1993-10-12
IL102663A (en) 1995-06-29
KR930004156A (ko) 1993-03-22
CA2075215A1 (fr) 1993-02-08
IL102663A0 (en) 1993-01-14
FR2680154B1 (fr) 1993-11-19
DE69205521T2 (de) 1996-06-27
US5299406A (en) 1994-04-05
EP0527091B1 (de) 1995-10-18
FR2680154A1 (fr) 1993-02-12
ATE129214T1 (de) 1995-11-15
DE69205521D1 (de) 1995-11-23

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