FR2646125A1 - METHOD AND APPARATUS FOR REPORTING A GRIPPING AND / OR VIEWING HANDLE ON A SOFT SYNTHETIC MATERIAL BAG AND SACHET THUS OBTAINED - Google Patents

METHOD AND APPARATUS FOR REPORTING A GRIPPING AND / OR VIEWING HANDLE ON A SOFT SYNTHETIC MATERIAL BAG AND SACHET THUS OBTAINED Download PDF

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Publication number
FR2646125A1
FR2646125A1 FR8905510A FR8905510A FR2646125A1 FR 2646125 A1 FR2646125 A1 FR 2646125A1 FR 8905510 A FR8905510 A FR 8905510A FR 8905510 A FR8905510 A FR 8905510A FR 2646125 A1 FR2646125 A1 FR 2646125A1
Authority
FR
France
Prior art keywords
film
sheath
wire
handle
synthetic material
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.)
Pending
Application number
FR8905510A
Other languages
French (fr)
Inventor
Daniel Chatourel
Chatourel Daniel
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.)
Societe Generale des Eaux Minerales de Vittel SA
Original Assignee
Societe Generale des Eaux Minerales de Vittel 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 Societe Generale des Eaux Minerales de Vittel SA filed Critical Societe Generale des Eaux Minerales de Vittel SA
Priority to FR8905510A priority Critical patent/FR2646125A1/en
Priority to AT90470018T priority patent/ATE87542T1/en
Priority to AU55565/90A priority patent/AU5556590A/en
Priority to PCT/FR1990/000268 priority patent/WO1990012684A1/en
Priority to DK90470018.4T priority patent/DK0399938T3/en
Priority to CA002030527A priority patent/CA2030527A1/en
Priority to EP90470018A priority patent/EP0399938B1/en
Priority to DE9090470018T priority patent/DE69001199T2/en
Priority to ES199090470018T priority patent/ES2040097T3/en
Priority to JP2506958A priority patent/JPH03505558A/en
Priority to PT93833A priority patent/PT93833A/en
Priority to CN90103924A priority patent/CN1046703A/en
Publication of FR2646125A1 publication Critical patent/FR2646125A1/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/86—Forming integral handles or mounting separate handles
    • B31B70/864—Mounting separate handles on bags, sheets or webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2160/00—Shape of flexible containers
    • B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents

Landscapes

  • Making Paper Articles (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Packages (AREA)
  • Bag Frames (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)

Abstract

Process and device for applying a carrying and/or pouring handle to a pouch of flexible synthetic material and pouch thus obtained. The handle (14) is attached to the foil by welding and cutting before said foil is shaped. Application: liquid containers.

Description

La présente invention a pour objet un procédé pour rapporter une poignéeThe present invention relates to a method for reporting a handful

de préhension et/ou de versage sur un sachet en matériau  for gripping and / or pouring on a bag of material

synthétique souple.flexible synthetic.

L'invention a également pour objet un dispositif pour la mise en oeuvre de ce procédé ainsi que les sachets ainsi obtenus. On se référera de manière plus générale aux brevets délivrés EP-0197875 et EP-0167469 au nom du demandeur qui illustrent l'état de la technique et le domaine concerné, documents auxquels il est fait  The invention also relates to a device for implementing this method and the bags thus obtained. Reference will be made more generally to the patents issued EP-0197875 and EP-0167469 in the name of the applicant which illustrate the state of the art and the field concerned, documents to which it is made

expressément référence.expressly reference.

Ces différents brevets décrivent la conformation de sachets en matière synthétique souple pour le conditionnement de liquides, en  These various patents describe the conformation of bags made of flexible synthetic material for the packaging of liquids, in particular

particulier d'eau minérale.particular mineral water.

Il a déjà été proposé un certain nombre de structures complémentaires permettant de rapporter une poignée de préhension et de  It has already been proposed a number of complementary structures to report a handle grip and

versage, par exemple par le FR 2 468 066.  Pouring, for example by FR 2 468 066.

Leur mise en oeuvre industrielle reste cependant complexe.  Their industrial implementation however remains complex.

L'invention se propose de remédier à ces différents  The invention proposes to remedy these different

inconvénients des procédés et structures de l'art antérieur.  disadvantages of the methods and structures of the prior art.

Conformément à l'invention, on propose un procédé pour rapporter une poignée de préhension et/ou de versage sur un sachet en matériau synthétique souple, caractérisé en ce qu'il consiste à rapporter ladite poignée sur le film, éventuellement muni de couches successives d'un surfilm de renforcement, avant la conformation dudit film en sachets  According to the invention, there is provided a method for bringing a gripping handle and / or pouring on a bag of flexible synthetic material, characterized in that it consists of bringing said handle onto the film, possibly provided with successive layers of a reinforcing surfilm prior to conforming said film into sachets

remplis de liquide.filled with liquid.

Avantageusement, la poignée de préhension et/ou de versage sera constituée d'un fil ou d'une gaine en matière synthétique semi-rigide. De manière préférentielle, ladite poignée sera rapportée sur  Advantageously, the handle and / or pouring handle will consist of a wire or sheath of semi-rigid synthetic material. Preferably, said handle will be reported on

un chant du film en défilement indexé.  a song of the film in indexed scrolling.

Conformément à l'invention, on propose également un dispositif pour rapporter une poignée de préhension et/ou de versage sur un sachet en matériau synthétique souple dans lequel on rapporteladite poignée sur le film, éventuellement muni de couches successives d'un surfilm de renforcement avant la conformation dudit film en sachets remplis de liquide, la poignée de préhension et/ou de versage étant constituée d'un fil ou d'une gaine en matière synthétique semi-rigide et celle-ci étant  According to the invention, there is also provided a device for bringing a handle for gripping and / or pouring onto a bag of flexible synthetic material in which said handle is said on the film, possibly provided with successive layers of a reinforcing surfilm before the conformation of said film in sachets filled with liquid, the handle and / or pouring being constituted by a wire or sheath of semi-rigid synthetic material and this being

2 26461252 2646125

rapportée sur un chant du film en défilement indexé, caractérisé en ce qu'il comporte: - un magasin d'alimentation en fil ou gaine en matière synthétique semi-rigide, - un système de déroulage et d'entraînement dans une gaine de guidage dudit fil ou de ladite gaine, - un moyen de guidage et d'injection dudit fil ou de ladite gaine à la longueur désirée pour en amener l'extrémité libre au niveau du chant du film, - un ensemble de soudure-découpe permettant de découper la longueur de fil ou de gaine désirée déterminée par ledit moyen de guidage et de la souder  reported on an edge of the film in indexed scrolling, characterized in that it comprises: - a supply magazine wire or sheath of semi-rigid synthetic material, - a unwinding system and drive in a guide sheath of said wire or said sheath, - means for guiding and injecting said wire or said sheath to the desired length to bring the free end at the edge of the film, - a welding-cutting assembly for cutting the desired length of wire or sheath determined by said guiding means and soldering

au film.to the film.

On comprendra mieux l'invention à l'aide de la description  The invention will be better understood from the description

faite ci-après d'un mode de mise en oeuvre donné à titre d'exemple non limitatif, en référence aux dessins annexés dans lesquels: - la figure 1 est un schéma en élévation latérale d'un dispositif conforme à l'invention pour la mise en oeuvre du procédé conforme à l'invention;  FIG. 1 is a side elevational diagram of a device according to the invention for the purpose of the invention. FIG. implementation of the process according to the invention;

- la figure 2 est une vue de dessus du schéma de la figure i.  FIG. 2 is a view from above of the diagram of FIG.

On a représenté à la figure 1 un film (1) avec un surfilm (2) disposé sur celui-ci de manière séquentielle, comme représenté à la figure 2. Ce film défile en tension dans le cadre d'une machine de conformation d'un film en coussins de matière souple remplis de liquide,  FIG. 1 shows a film (1) with a surfilm (2) disposed thereon sequentially, as shown in FIG. 2. This film travels under tension in the context of a conformation machine of FIG. a cushioned film of flexible material filled with liquid,

comme indiqué précédemment.as indicated previously.

Pour y rapporter un moyen de préhension et/ou de versage, selon l'invention, on prévoit: - un magasin (3) d'alimentation en fil ou gaine, muni d'un système d'entraînement (4) de type connu, - un système de guidage par fourreau (5) et gaine de guidage (6) amenant le fil ou la gaine à, - un ensemble de soudure-découpe (7) et un moyen de guidage et d'injection  To relate a means of gripping and / or pouring, according to the invention, there is provided: - a magazine (3) supply wire or sheath, provided with a drive system (4) of known type, - A guiding system by sleeve (5) and guide sheath (6) bringing the wire or the sheath to - a welding-cutting assembly (7) and a guide and injection means

(8) dudit fil ou de ladite gaine à la longueur désirée.  (8) said wire or sheath to the desired length.

Le moyen de guidage et d'injection (8) consiste en deux empreintes complémentaires (9,10) mobiles l'une par rapport à l'autre perpendiculairement au plan du film (1) pour dégager le fil ou la gaine  The guiding and injection means (8) consists of two complementary cavities (9, 10) movable relative to each other perpendicularly to the plane of the film (1) to disengage the wire or sheath

lorsque celui-ci a été soudé sur le film.  when it was soldered to the film.

- 3 - Les empreintes déterminent intérieurement un cheminement (11) dans lequel pénètre le fil ou la gaine, pour arriver jusqu'au film à  - 3 - The indentations internally determine a path (11) in which penetrates the wire or the sheath, to arrive at the film to

l'endroit et selon la longueur désirés.  the desired location and length.

L'extrémité proximale (12) de l'empreinte sera évasée pour faciliter l'introduction du fil ou de la gaine. Lorsque le fil ou la gaine est injecté en position par le système d'entrainement (4), il est rapporté par soudure-découpe sur le chant du film (1) par le moyen de soudure découpe (7) qui est constitué d'une machoire mobile (13) coopérant avec un mentonnet de contre-appui  The proximal end (12) of the impression will be flared to facilitate insertion of the wire or sheath. When the wire or sheath is injected into position by the drive system (4), it is attached by welding-cutting on the edge of the film (1) by the cutting welding means (7) which consists of a mobile jaw (13) cooperating with a counter-support jaw

(14) de l'empreinte (9).(14) of the impression (9).

Le dispositif fonctionne bien entendu de manière séquentielle et indexée, en fonctionnement de préférence horizontal, les différents  The device of course operates sequentially and indexed, in operation preferably horizontal, the different

asservissements et automatismes étant à la portée de l'homme de l'art.  servo and automation being within the reach of those skilled in the art.

Le film muni de sa poignée (15) continue ensuite son  The film provided with its handle (15) then continues its

cheminement vers un conformateur non représenté.  path to a shaper not shown.

- 4 -- 4 -

Claims (7)

REVENDICATIONS 1. Procédé pour rapporter une poignée de préhension et/ou de versage sur un sachet en matériau synthétique souple, caractérisé en ce qu'il consiste à rapporter ladite poignée sur le film, éventuellement muni de couches successives d'un surfilm de renforcement, avant la conformation dudit film en sachets remplis de liquide.  1. A method for bringing a gripping handle and / or pouring on a bag of flexible synthetic material, characterized in that it consists of bringing said handle onto the film, possibly provided with successive layers of a reinforcing surfilm, before the conformation of said film in sachets filled with liquid. 2. Procédé selon la revendication 1, caractérisé en ce que la poignée de préhension et/ou de versage est constituée d'un fil ou d'une2. Method according to claim 1, characterized in that the handle and / or pouring handle consists of a wire or a gaine en matière synthétique semi-rigide.  sheath made of semi-rigid synthetic material. 3. Procédé selon l'une quelconque des revendications 1 et 2,  3. Method according to any one of claims 1 and 2, caractérisé en ce que ladite poignée est rapportée sur un chant du film en  characterized in that said handle is attached to a song of the film in défilement indexé.indexed scrolling. 4. Dispositif pour la mise en oeuvre du procédé selon l'une  4. Device for implementing the method according to one quelconque des revendications 1 à 3, pour rapporter une poignée de  any of claims 1 to 3, to report a handful of préhension et/ou de versage sur un sachet en matériau synthétique souple dans lequel on rapporte ladite poignée sur le film, éventuellement muni de couches successives d'un surfilm de renforcement avant la conformation dudit film en sachets remplis de liquide, la poignée- de préhension et/ou de versage étant constituée d'un fil ou d'une gaine en matière synthétique semi-rigide et celle-ci étant rapportée sur un chant du film en défilement indexé, caractérisé en ce qu'il comporte: - un magasin (3) d'alimentation en fil ou gaine en matière synthétique semi-rigide, - un système de déroulage et d'entrainement (4) dans une gaine de guidage dudit fil ou de ladite gaine, - un moyen de guidage et d'injection (8) dudit fil ou de ladite gaine à la longueur désirée pour en amener l'extrémité libre au niveau du chant du film, - un ensemble de soudure- découpe permettant de découper la longueur de fil ou de gaine désirée déterminée par ledit moyen de guidage et de la souder  gripping and / or pouring on a bag of flexible synthetic material in which said handle is reported on the film, possibly provided with successive layers of a reinforcing surfilm before the conformation of said film in sachets filled with liquid, the handle-gripping and / or pouring consisting of a wire or a sheath of semi-rigid synthetic material and the latter being attached to a song of the indexed scrolling film, characterized in that it comprises: - a store (3 ) for feeding wire or sheath of semi-rigid synthetic material, - a unwinding and driving system (4) in a sheath for guiding said wire or sheath, - guiding and injection means (8). ) of said wire or said sheath to the desired length to bring the free end at the edge of the film, - a welding-cutting assembly for cutting the desired length of wire or sheath determined by said guide means and of the solder au film.to the film. 5. Dispositif selon la revendication 4, caractérisé en ce que le moyen de guidage et d'injection (8) consiste en deux empreintes - 5 complémentaires (9,10) mobiles l'une par rapport à l'autre perpendiculairement au plan du film (1) pour dégager le fil ou la gaine  5. Device according to claim 4, characterized in that the guiding and injection means (8) consists of two complementary fingerprints (9, 10) movable relative to each other perpendicularly to the plane of the film. (1) to clear the wire or sheath lorsque celui-ci a été soudé sur le film.  when it was soldered to the film. 6. Dispositif selon la revendication 5, caractérisé en ce que les empreintes déterminent intérieurement un cheminement (11) dans lequel pénètre le fil ou la gaine, pour arriver jusqu'au film à l'endroit et selon la longueur désirée, l'extrémité proximale (12) de l'empreinte étant  6. Device according to claim 5, characterized in that the indentations internally determine a path (11) in which penetrates the wire or the sheath, to reach the film at the location and according to the desired length, the proximal end. (12) of the footprint being évasée pour faciliter l'introduction du fil ou de la gaine.  flared to facilitate introduction of the wire or sheath. 7. Dispositif selon la revendication 6, caractérisé en ce que lorsque le fil ou la gaine est injecté en position par le système d'entrainement (4), il est rapporté par soudure-découpe sur le chant du film (1) par le moyen de soudure découpe (7) qui est constitué d'une mâchoire mobile (13) coopérant avec un mentonnet de contre-appui (14) de  7. Device according to claim 6, characterized in that when the wire or the sheath is injected into position by the drive system (4), it is attached by welding-cutting on the edge of the film (1) by means soldering cutter (7) which consists of a movable jaw (13) co-operating with a counter-bearing lug (14) of l'empreinte (9).the imprint (9). --
FR8905510A 1989-04-21 1989-04-21 METHOD AND APPARATUS FOR REPORTING A GRIPPING AND / OR VIEWING HANDLE ON A SOFT SYNTHETIC MATERIAL BAG AND SACHET THUS OBTAINED Pending FR2646125A1 (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
FR8905510A FR2646125A1 (en) 1989-04-21 1989-04-21 METHOD AND APPARATUS FOR REPORTING A GRIPPING AND / OR VIEWING HANDLE ON A SOFT SYNTHETIC MATERIAL BAG AND SACHET THUS OBTAINED
AT90470018T ATE87542T1 (en) 1989-04-21 1990-04-12 METHOD AND DEVICE FOR ATTACHING A CARRYING HANDLE AND/OR CAST HANDLE TO A BAG MADE OF FLEXIBLE, SYNTHETIC MATERIAL AND BAG OBTAINED THUS.
AU55565/90A AU5556590A (en) 1989-04-21 1990-04-12 Process and device for applying a carrying and/or pouring handle to a pouch of flexible synthetic material and pouch thus obtained
PCT/FR1990/000268 WO1990012684A1 (en) 1989-04-21 1990-04-12 Process and device for applying a carrying and/or pouring handle to a pouch of flexible synthetic material and pouch thus obtained
DK90470018.4T DK0399938T3 (en) 1989-04-21 1990-04-12 Method and apparatus for attaching a grab and / or sideboard to a bag of flexible plastic material, as well as bags made in this way
CA002030527A CA2030527A1 (en) 1989-04-21 1990-04-12 Process and device for attaching a grip and/or pour handle toa bag made of a flexible synthetic material and bag therefrom
EP90470018A EP0399938B1 (en) 1989-04-21 1990-04-12 Method and device for applying a gripping and/or pouring handle to a sachet made from flexible synthetic material and sachet so obtained
DE9090470018T DE69001199T2 (en) 1989-04-21 1990-04-12 METHOD AND DEVICE FOR ATTACHING A CARRYING HANDLE AND / OR CASTING HANDLE ON A BAG OF FLEXIBLE, SYNTHETIC MATERIAL AND BAG RECEIVED.
ES199090470018T ES2040097T3 (en) 1989-04-21 1990-04-12 PROCEDURE AND DEVICE FOR ADDING A GRIP AND / OR SPILL HANDLE IN A BAG OF FLEXIBLE SYNTHETIC MATERIAL AND BAG SO OBTAINED.
JP2506958A JPH03505558A (en) 1989-04-21 1990-04-12 A method and device for attaching a gripping and/or unloading handle to a bag made of a flexible synthetic resin material, and a bag formed using the same
PT93833A PT93833A (en) 1989-04-21 1990-04-20 METHOD AND DEVICE FOR JOINING A PRESSURE AND / OR DISCHARGE MANIPULA ON A MACHINE OF SYNTHETIC MALEAVEL
CN90103924A CN1046703A (en) 1989-04-21 1990-04-21 The method of holding and/or opening handle of seizing is installed on the sack of making of soft synthetic material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8905510A FR2646125A1 (en) 1989-04-21 1989-04-21 METHOD AND APPARATUS FOR REPORTING A GRIPPING AND / OR VIEWING HANDLE ON A SOFT SYNTHETIC MATERIAL BAG AND SACHET THUS OBTAINED

Publications (1)

Publication Number Publication Date
FR2646125A1 true FR2646125A1 (en) 1990-10-26

Family

ID=9381132

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8905510A Pending FR2646125A1 (en) 1989-04-21 1989-04-21 METHOD AND APPARATUS FOR REPORTING A GRIPPING AND / OR VIEWING HANDLE ON A SOFT SYNTHETIC MATERIAL BAG AND SACHET THUS OBTAINED

Country Status (12)

Country Link
EP (1) EP0399938B1 (en)
JP (1) JPH03505558A (en)
CN (1) CN1046703A (en)
AT (1) ATE87542T1 (en)
AU (1) AU5556590A (en)
CA (1) CA2030527A1 (en)
DE (1) DE69001199T2 (en)
DK (1) DK0399938T3 (en)
ES (1) ES2040097T3 (en)
FR (1) FR2646125A1 (en)
PT (1) PT93833A (en)
WO (1) WO1990012684A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20011846A1 (en) * 2001-08-31 2003-03-03 Square Bottom Inc SUPPORT DEVICE FOR A PLASTIC BAG AND ITS TRAINING PROCEDURE
CN100553961C (en) * 2007-01-19 2009-10-28 丁善玉 A kind of turning drive forming mechanism of soft handheld ring of soft bag
CN102602048B (en) * 2012-03-20 2013-07-10 江苏方邦机械有限公司 Four-connecting-rod paper bag handle forming device
CN107962819A (en) * 2013-06-08 2018-04-27 杭州跟策科技有限公司 Rotating disc type handle molding machine and handle forming method
EP3237293B1 (en) * 2014-12-22 2024-01-17 Tetra Laval Holdings & Finance SA Package material and package container formed with said material

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2332530A (en) * 1941-06-23 1943-10-26 Canada Paper Company Apparatus for the manufacture of handle attachments for paper bags
US3334550A (en) * 1964-07-23 1967-08-08 Crown Zellerbach Corp Apparatus for and method of making handles and applying same to a bag
GB1218958A (en) * 1968-07-23 1971-01-13 Coloroll Ltd Improvements in handle formation
FR2119296A5 (en) * 1970-12-24 1972-08-04 Fayard & Ravel
FR2144669A1 (en) * 1971-07-02 1973-02-16 Windmoeller & Hoelscher
GB1308645A (en) * 1969-05-05 1973-02-21 Haugh Packaging Co Ltd Gordon Method and apparatus for securing handles to sheet material

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2332530A (en) * 1941-06-23 1943-10-26 Canada Paper Company Apparatus for the manufacture of handle attachments for paper bags
US3334550A (en) * 1964-07-23 1967-08-08 Crown Zellerbach Corp Apparatus for and method of making handles and applying same to a bag
GB1218958A (en) * 1968-07-23 1971-01-13 Coloroll Ltd Improvements in handle formation
GB1308645A (en) * 1969-05-05 1973-02-21 Haugh Packaging Co Ltd Gordon Method and apparatus for securing handles to sheet material
FR2119296A5 (en) * 1970-12-24 1972-08-04 Fayard & Ravel
FR2144669A1 (en) * 1971-07-02 1973-02-16 Windmoeller & Hoelscher

Also Published As

Publication number Publication date
ES2040097T3 (en) 1993-10-01
DK0399938T3 (en) 1993-08-09
DE69001199D1 (en) 1993-05-06
WO1990012684A1 (en) 1990-11-01
JPH03505558A (en) 1991-12-05
CN1046703A (en) 1990-11-07
PT93833A (en) 1992-01-31
CA2030527A1 (en) 1990-10-22
EP0399938A1 (en) 1990-11-28
DE69001199T2 (en) 1993-07-29
EP0399938B1 (en) 1993-03-31
ATE87542T1 (en) 1993-04-15
AU5556590A (en) 1990-11-16

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