EP0397577B1 - Selbstverriegelnder Behälter und Verpackungsverfahren - Google Patents

Selbstverriegelnder Behälter und Verpackungsverfahren Download PDF

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Publication number
EP0397577B1
EP0397577B1 EP19900401250 EP90401250A EP0397577B1 EP 0397577 B1 EP0397577 B1 EP 0397577B1 EP 19900401250 EP19900401250 EP 19900401250 EP 90401250 A EP90401250 A EP 90401250A EP 0397577 B1 EP0397577 B1 EP 0397577B1
Authority
EP
European Patent Office
Prior art keywords
tongue
cut
lid
sides
packaging
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
EP19900401250
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English (en)
French (fr)
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EP0397577A1 (de
Inventor
André Fromion
Jean Claude Vilas Boas
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.)
Bull SAS
Original Assignee
Bull SAS
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
Priority claimed from FR8906293A external-priority patent/FR2646830B1/fr
Application filed by Bull SAS filed Critical Bull SAS
Publication of EP0397577A1 publication Critical patent/EP0397577A1/de
Application granted granted Critical
Publication of EP0397577B1 publication Critical patent/EP0397577B1/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
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/64—Lids
    • B65D5/66—Hinged lids
    • B65D5/6626—Hinged lids formed by folding extensions of a side panel of a container body formed by erecting a "cross-like" blank
    • B65D5/665—Hinged lids formed by folding extensions of a side panel of a container body formed by erecting a "cross-like" blank the lid being held in closed position by self-locking integral flaps or tabs
    • B65D5/6661—Flaps provided over the total length of the lid edge opposite to the hinge
    • B65D5/6664—Flaps provided over the total length of the lid edge opposite to the hinge combined with flaps or tabs provided at the side edges of the lid
    • B65D5/6667—Flaps provided over the total length of the lid edge opposite to the hinge combined with flaps or tabs provided at the side edges of the lid and connected to one another in order to form an uninterrupted telescoping flange

Definitions

  • the present invention relates to a cardboard packaging box or packaging material and a packaging method, such as disclosed e.g. in US-A-3,642,193.
  • Cardboard packaging boxes which consist of a bottom comprising a plane and three adjacent flanks associated by a connecting strip with a cap consisting of a plane and three adjacent flanks.
  • This type of box is generally used by pastry chefs for packaging cakes or by clothing stores for disposing of clothes.
  • Such boxes may have on one of their sides a cutout associated with a tongue which constitutes a handle and a member for holding the closure of this box.
  • it is necessary to carry out a manipulation requiring, firstly, the closing of the cover, secondly, the extraction of the closing handle which at the same time constitutes a locking system for the cover.
  • These packages therefore have the drawback of not being able to be the subject of an automated process.
  • a first object of the invention is therefore to propose a packaging of simple constitution, and which by simple closure finds itself locked and does not require any other binding or manipulation operation to ensure this locking.
  • the folded cardboard packaging box with self-locking closure comprises a bottom consisting of a plane and three adjacent sides, so as to form a parallelepipedal volume open upwards and on one side, connected by a junction flank to a cover consisting of a plane (100) connected to three adjacent flanks (105, 102, 111) completing, with the junction flank (110), the periphery of the box, at least one of the flanks of the bottom consisting of a folded edge in which a tongue is cut in a cut which stops on the fold line; the outlet of the side of the cover coming opposite the tongue after closing, is provided with means allowing the passage of fingers for unlocking the tongue, these means being constituted by a cut or by a pre-cut of an orifice which after breaking allows the lid to be unclipped, while the side of the lid is separated by a fold line from a part comprising retaining means for locking in the form of a notch, so as to ensure, during closing of the cover on the bottom, a clip
  • the packaging box is easily and automatically locked.
  • the packaging box is made of thin cardboard or any thin material it is preferable to provide a guide of the tab which allows better closure and a even more precise locking. Indeed, it may happen that the tongue passes through retaining means and the locking is in this case poorly ensured.
  • the present invention also aims to remedy this kind of drawback easily but effectively and provides a packaging box in which the tongue is guided and the locking systematically ensured whatever the type of cardboard used.
  • the self-locking closure packaging box according to claim 1 is remarkable in that the tongue cut out according to a cutout stopping on a fold line is provided with support means cooperating with guide means combined with the means. retaining means, the support means, when the cover is closed, pressing by sliding on the guide means until the tongue is locked by the retaining means, then remaining in support, after locking on said means of guide, the tongue, over part of its height, on the side of the fold line having a width greater than the width of the cutout of the retaining means thus constituting the support means, the tongue being supported on both sides other and then sliding along the side walls of the cutout of the means, the side walls constituting the guide means.
  • the tongue has substantially the shape of a T, the surface of which is defined by the intersection of the surfaces of a first rectangle limited by a first cut and of a rectangular sector, delimited by a second cut, formed by a second rectangle with a surface smaller than that of the first rectangle and the part of which situated opposite the fold line is on both sides identically narrowed over part of the height.
  • the non-narrowed part of the tongue slides along the guide means and then remains in contact with them after the locking is obtained, authorized by a slight rotational movement, when the lower end of the narrowed part is found released when arriving at the horizontal cutout of the retaining means.
  • This slight rotational movement guarantees that the lower end of the tongue comes and rests on the thickness, even small, of the horizontal cutout of the retaining means.
  • the substantially T-shaped shape of the tongue must be interpreted very broadly, the transition between the narrowed and non-narrowed parts of the tongue can be made suddenly (discontinuity of a strictly T-shaped) or gradually (the narrowed part having, for example, the shape of an isosceles trapezoid).
  • first and a second cut makes it possible to provide an empty space around the tongue, an empty space advantageously facilitating the rotational movement of the tongue around the fold line.
  • the packaging box can have several locking devices respectively arranged on each of the sides.
  • Another object is to prevent the box, after self-locking, from being opened inadvertently.
  • the means allowing the fingers to pass through the box consist of a pre-cutting of an orifice which, after rupture, allows the lid to be unclipped.
  • a final object of the invention is to propose a fully automated product packaging process, the automation being facilitated by the lateral guidance of the tongues and the assurance of perfect locking.
  • the product packaging process using a shim made of plastic material or other material which can serve as wedging in a continuous shape cut to the desired dimension, so as to surround the product (15), and once in place, its cross section comprises retaining parts in the direction perpendicular to the plane in which the length of the shim is located, said shim comprising cut-outs in full mass made from the bearing face on the packaging to constitute pivot means facilitating folding, shim of determined length being brought into a packaging area and the product to be packaged being brought above a receiving region of the hold, while remarkably is brought into the packaging area, and under the hold, a packaging box according to the invention intended to receive the product in its hold, then, the product is installed in the reception area of the hold, and the hold / product assembly in the packaging element, this assembly is automatically deforming as it is introduced into the packaging, so that the sides of the shim completely surround the sides of the product, then the upper side of the c is folded down ale on the product and finally, the cover of the
  • the packaging box is shown in Figure 3 and has a bottom consisting of a plane (114) and three adjacent flanks (1145, 1141 and 115) respectively forming the outer lateral flanks and a front flank.
  • the plane (114), constituting the bottom, is connected by a joining flank (110) to a cover consisting of a plane (100), connected to three adjacent flanks (101, 105 and 111), constituting the lateral flanks respectively. the front flank of the cover, and completing the edge of the box with the junction flank, once the cover is folded down on the open bottom.
  • the box may have on the front flank a tongue (1150) which cooperates with a corresponding cutout (1110), produced in the interior of the front face (111) of the cover, so as to constitute a closure system.
  • the box may include two lateral tabs (11450 and 11410) arranged on each lateral flank of the bottom, and being located opposite with two lateral cutouts (104, 108) formed in the interior of the flanks corresponding sides (101, 105) of the cover.
  • the closure system of the box can be constituted by three tabs associated with three cutouts.
  • the box represented in FIG. 3 is obtained from a cut cardboard strip, as shown in FIG. 1. On this cardboard strip, the corresponding references of FIG. 3 have been used.
  • the cardboard strip has a plane (100) constituting the top of the cover, and delimited by the fold lines (1004 to 1007), the fold line (1006) separating the plane (100) from a strip (111), constituting the front face of the cover.
  • the fold line (1004) separates the plane (100) from a strip (110), constituting the joining flank of the cover at the bottom of the box. This junction flank (110) having the length of the box and the height corresponding to the thickness of the box.
  • the front flank (111) of the cover is extended by two lateral tabs, respectively right (112) / left (113), connected to the front flank by the respective fold lines (1112, 1113).
  • On the plane (100) is connected, on the side of the fold line (1007), the right lateral flank (101) of the cover.
  • This right lateral flank (101) is separated from a part (102) by two fold lines (103), parallel to the fold line (1007).
  • the part (102) comprises the means of retained in the form of a notch (104) cut so as to be open towards the outside, and having dimensions greater than the dimensions of the narrowed part of the associated clip tab (11410) which will be seen later.
  • the strip (102) is extended at its ends opposite the flank (101) by tenons (1020 and 1021) cut, adjacent to the two opposite edges of the notch (104) and of dimensions corresponding to the recesses (1000, 1001) made along the fold line (1007) on the bottom (100).
  • the strip (101), constituting the right outer flank has a cutout (1010) in the form of a rounded rectangle so as, as will be seen later, to allow the fingers to pass in order to unlock the box.
  • the right inner flank (102) is folded inwards along the fold lines (103), while the tongue (112) is placed between the right inner flank (102) and the right outer flank (101) , after folding the sidewall (111) along the line (1006), as can be seen in FIG.
  • the pins (1020, 1021) engage in the recesses (1000, 1001) so as to hold the assembly.
  • the bottom (100) is extended by a left outer flank (105) and an inner left flank (106), connected by two fold lines (107) parallel to the line (1005).
  • the sidewall (106) also includes a cutout (108) adapted to the size of the tongue (11450), and two studs (1063, 1062) cut so as to penetrate the openings (1003, 1002) made in the bottom (100) along the fold line (1005).
  • the joining flank (110) is connected to the plane constituting the bottom (114) of the box by a fold line (1100).
  • the plane (114) is delimited by a second fold line (1151), parallel to the line (1100), and located on the side adjacent to the front flank (115).
  • the flank (115) is extended on each left and right side by tongues (117, 116) adjacent to the flank (115) by the respective fold lines (1157, 1156).
  • the plane (114) is extended on the right side by the bands (1141, 1142) connected together by two fold lines (1143) and on the plane (114) by the fold line (1149), and on the left side by the strips (1145, 1146), interconnected by the fold lines (1147), and to the plane (114) by the fold line (1148).
  • the external right flank (1141) comprises a double cut, the internal cut delimits a tongue (11410) the cutouts coming to stop along the fold lines (1143).
  • the left outer flank (1145) has a double cut, the internal cut delimiting a tongue (11450), which comes to stop along the fold lines (1147).
  • the respective right and left inner flanks (1142, 1146) comprise at their ends tenons (11420, 11421) respectively (11460, 11461) which are received in the openings (11400, 11401, 11402, 11403) which are made in the surface (114), respectively along the fold lines (1149, 1148)
  • the right outer flank (1141) is folded so as to be perpendicular to the bottom (114), then the right inner flank (1142) is folded so that that the studs (11420, 11421) are housed in the respective notches (11400, 11401).
  • the tongue (116) is folded so as to slide between the right outer flank (1141) and the right inner flank (1142), when the flank (115) is positioned perpendicular to the flank (114) by folding. along the line (1151). The outer edge of the tongue (116), perpendicular to the line (1156), then rests between the fold lines (1143).
  • the cut tongue (11410) in the right external flank (1141) constitutes an elastic element which moves away from the wall and is clipped into the horizontal cut of the retaining means (104), practiced in the internal flank. right (102) of the cover, when closing it.
  • a user by simply closing the cover on the bottom of the box will allow the clipping of the tongue (11410) which, by abutting against the horizontal cutout of the notch (104), will prevent subsequent opening.
  • Figure 2b shows an exploded view of the clipping system in the locked position.
  • Such a locked position is obtained when the non-narrowed part of the tongue has slid along the guide means constituted by the lateral parts (1040, 1041) of the cutout (104), until the lower end of the narrowed part of the tongue (11410) is released when arriving at the horizontal cutout of the retaining means (104).
  • the non-narrowed part of the tongue remains in abutment on the lateral parts (1040, 1041) of the cutout (104) while the lower end of the narrowed part comes into abutment against the thickness of the horizontal cutout. retaining means (104).
  • the box To open the box, simply slide your fingers into the opening (1010), which is left free thanks to the shape of the tongue (112) and push the tongue (11410) towards the interior surface (1142).
  • the box has two openings (1010, 1050) located on opposite sides, to use these openings as means for gripping the box, and thereby, by pressing the tab, trigger an opening untimely of the box, provision is made in a variant of the device not to make the openings (1010, 1050) but to replace these with pre-cuts which must be broken to allow the opening of the box.
  • these tabs (112, 113) are made integral only with the interior of the internal flank (102), respectively (106).
  • the tabs have a shape corresponding to the cutouts (104, 108) and can also contribute to locking.
  • FIG. 4 represents a packaging process, in which this type of box can be advantageously used with a type of block having been the subject of a patent application FR-A-2626252, filed by BULL SA and entitled "Packing block, container for such a block, and packaging method using such a block”.
  • the method using a shim made of plastic material in a continuous shape cut to the desired dimension, so as to surround the product (15), and that once in place, its cross section has retaining portions in the perpendicular direction in the plane in which the length of the shim is located, said shim comprising full-body cutouts made from the bearing face on the packaging to constitute pivoting means facilitating folding, consists in bringing a packing shim in an area determined, this packing block being supplied by a reel (9) and cut to length by a cutting device (11, 12). After having brought the hold above the area in which the packaging box has been placed, the product to be packaged is brought and then placed on the hold.
  • the wedge then enters the packaging, and the cutting lines (8d, 8b) allow the folding of the sides (8f, 8e) of the wedge which slide on the inner lateral flanks (1146, 1142).
  • the product (15) and the wedge (8) descend into the packaging by gravity, a handling arm then allows the side (8g) to be folded down on the product so as to close the wedging.
  • a second manipulation arm allows move the cover (100, 111, 105, 101) to close it on the bottom of the box, which at the same time clips the tabs (11410, 11450) into the respective notches (104, 108) of the cover. This clipping allows at the same time to maintain by the bottom (100) of the cover the part (8g) of the wedge on the product (15).
  • the bottom and the cover of the box can be independent.
  • the fourth side of the cover will be symmetrical with respect to the fold line (1004) of the side (111) with tongues (112, 113) and replaces the common side (110).
  • the fourth flank of the bottom of the box will be symmetrical with respect to the fold line (1100) of the flank (115) with tongues (116, 117) and will replace the common flank (110), because the bottom and the cover is no longer connected by the common side (110).

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  • Mechanical Engineering (AREA)
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Claims (7)

  1. Selbstverriegelnd-schließende Verpackungsschachtel mit einem Bodenteil aus einer Ebene (114) und mindestens drei angrenzenden Wänden (1145, 115, 1141), um einen zumindest nach oben offenen quaderförmigen Raum zu bilden, und mit einem durch eine Ebene (100) gebildeten Deckel, der mit mindestens drei angrenzenden Wänden (105, 101, 111) verbunden ist, der einen zumindest nach unten offenen quaderförmigen Raum bildet, wobei mindestens eine der Wände (1145, 115, 1141) des Bodenteils von einem umgefalteten Rand gebildet ist, in dem eine Lasche (11410) entlang einer Schnittlinie ausgeschnitten ist, die an einer Faltlinie (1143) endet, dadurch gekennzeichnet, daß derjenige Teil der Wand (101) des Deckels, die nach dem Schließen der Lasche gegenüberliegt, mit Mitteln (1010) versehen ist, die das Durchgreifen von Fingern zum Entriegeln der Lasche zulassen können, wobei diese Mittel (1010) durch einen Ausschnitt oder einen Vorschnitt einer Öffnung gebildet sind, die, nach einem Zerbrechen, das Entriegeln des Deckels ermöglichen, während die Wand (101) des Deckels durch eine Faltlinie von einem Teil (102) abgegrenzt ist, der Haltemittel (104) für das Verriegeln in Form einen Einschnitt aufweist, um beim Verschließen des Deckels auf den Bodenteil ein Einrasten des Deckels zu gewährleisten, das jedes Öffnen der Schachtel ohne äußere Einwirkung verhindert.
  2. Selbstverriegelnd schließende Verpackungsschachtel nach Anspruch 1, dadurch gekennzeichnet, daß die entlang einer Schnittlinie, die an einer Faltlinie (1143) endet, ausgeschnittene Lasche (11410) mit Abstützmitteln versehen ist, die mit Führungsmitteln (1040, 1041) zusammenwirken, die mit den Haltemitteln (104) kombiniert sind, wobei die Abstützmittel beim Schließen des Deckels sich an den Führungsmitteln, auf diesen gleitend, abstützen, bis die Lasche durch die Haltemittel (104) verriegelt ist, anschließend an die Verriegelung auf den Führungsmitteln abgestützt bleiben, wobei die Lasche (11410) über einen Teil ihrer Höhe zur Seite der Faltlinie (1143) hier eine Breite aufweist, die größer ist als die Breite des Ausschnitts der Haltemittel (104) und dadurch die Abstützeinrichtungen bilden, wobei sich die Lasche zu beiden Seiten abstützt und entlang den Seitenwänden des Ausschnitts der Mittel (104) gleitet, welche Seitenwände die Führungsmittel (1140, 1141) bilden.
  3. Verpackungsschachtel nach Anspruch 2, dadurch gekennzeichnet, daß die Lasche (11410) im wesentlichen die Form eines T aufweist, dessen Fläche durch die Überschneidung der Flächen eines ersten, von einer ersten Schnittlinie begrenzten Rechtecks und eines von einer zweiten Schnittlinie rechteckigen Ausschnitts festgelegt wird, der durch ein zweites Rechteck gebildet ist, dessen Fläche kleiner als diejenigen des ersten Rechtecks ist und dessen der Faltlinie (1143) gegenüberliegender Teil zu beiden Seiten identisch über einen Teil der Höhe verengt ist.
  4. Schachtel nach einem der Ansprüche 1 bis 3, bei der der Bodenteil drei Wände (1145, 115, 1141) aufweist und mit einer Verbindungswand (110) mit dem Deckel verbunden ist, der drei angrenzende Wände (105, 101, 111) aufweist, dadurch gekennzeichnet, daß sie an zwei Wänden (1145, 1141) des Bodenteils Laschen (11450, 11410) und an den entsprechenden Wänden des Deckels Durchgriffsmittel (1010, 1050) von Fingern und Haltemittel (104, 108) aufweist.
  5. Schachtel nach einem der Ansprüche 1 bis 3, bei der der Bodenteil drei Wände (1145, 115, 1141) aufweist und über eine Verbindungswand (110) mit dem Deckel verbunden ist, der drei angrenzende Wände (105, 101, 111) aufweist, dadurch gekennzeichnet, daß sie an den drei Wänden des Bodenteils (1145, 115, 1141) Laschen (11450, 1150, 11410) und an den entsprechenden Wänden des Deckels Mittel zum Durchgreifen von Fingern (1010, 1050, 1110) und Haltemittel (104, 108, 1111) aufweist.
  6. Verpackungsschachtel nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Mittel zum Durchgreifen von Fingern (1050, 1010, 1110) und die Haltemittel (104, 108, 1111) von einem einzigen Kartonstreifen gebildet werden, wobei die innere Seitenwand und die äußere Seitenwand miteinander über eine Faltkante verbunden sind, die die Mittel zum Durchgreifen von Fingern (1050, 1010, 1110) von den Haltemitteln (104, 108, 111) trennt.
  7. Verfahren zum Verpacken von Erzeugnissen unter Verwendung einer Einlage (8) aus fortlaufendem Kunststoff, die mit gewünschter Abmessung zugeschnitten ist, um das Erzeugnis (15) zu umschließen, und deren Querschnitt nach dem Anordnen Halteteile in der Richtung rechtwinklig zu derjenigen Ebene aufweist, in der die Länge der Einlage liegt, welche Einlage durchgehende Einschnitte (8b, c, d) aufweist, die bis zur Auflagefläche auf der Verpackung ausgeführt sind, um Schwenkmittel zu bilden, die ein Umfalten erleichtern, wobei die Einlage vorbestimmter Länge in eine Verpackungszone transportiert wird und das zu verpackende Erzeugnis (15) über die Aufnahmezone der Einlage (8) transportiert wird, welches Verfahren dadurch gekennzeichnet ist, daß bei ihm anschließend eine Verpackungsschachtel gemäß einem der vorstehenden Ansprüche, die dazu bestimmt ist, das Erzeugnis in seiner Einlage aufzunehmen, in die Verpackungszone bis unterhalb der Einlage transportiert wird, dann das Erzeugnis in der Aufnahmezone der Einlage und die Anordnung Einlage/Erzeugnis in der Verpackungsschachtel angebracht werden, wobei sich diese Anordnung automatisch in dem Maße verformt, wie sie in die Verpackung eingeführt wird, derart, daß die Seiten der Einlage die Seiten des Erzeugnisses vollständig umschließen, und daß dann die obere Seite der Einlage auf das Erzeugnis geklappt wird und schließlich der Deckel der Verpackungsschachtel auf den Bodenteil geklappt wird, damit er an letzterem einrastet.
EP19900401250 1989-05-12 1990-05-11 Selbstverriegelnder Behälter und Verpackungsverfahren Expired - Lifetime EP0397577B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR8906293 1989-05-12
FR8906293A FR2646830B1 (fr) 1989-05-12 1989-05-12 Boite d'emballage a fermeture autoverrouillable et procede d'emballage
FR898916688A FR2655951B2 (fr) 1989-05-12 1989-12-18 Boite d'emballage a fermeture autoverrouillable et procede d'emballage.
FR8916688 1989-12-18

Publications (2)

Publication Number Publication Date
EP0397577A1 EP0397577A1 (de) 1990-11-14
EP0397577B1 true EP0397577B1 (de) 1993-02-10

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EP19900401250 Expired - Lifetime EP0397577B1 (de) 1989-05-12 1990-05-11 Selbstverriegelnder Behälter und Verpackungsverfahren

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US (1) US5040722A (de)
EP (1) EP0397577B1 (de)
JP (1) JPH0662162B2 (de)
CA (1) CA2016548C (de)
DE (1) DE69000890T2 (de)
ES (1) ES2040073T3 (de)
FR (1) FR2655951B2 (de)

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CA2016548C (fr) 1995-07-18
DE69000890D1 (de) 1993-03-25
JPH03639A (ja) 1991-01-07
EP0397577A1 (de) 1990-11-14
US5040722A (en) 1991-08-20
ES2040073T3 (es) 1993-10-01
CA2016548A1 (fr) 1990-11-12
FR2655951A2 (fr) 1991-06-21
DE69000890T2 (de) 1993-05-27
JPH0662162B2 (ja) 1994-08-17
FR2655951B2 (fr) 1992-03-13

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