EP0939033B1 - Procédé et dispositif de remplissage d'un tube a double chambre - Google Patents

Procédé et dispositif de remplissage d'un tube a double chambre Download PDF

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Publication number
EP0939033B1
EP0939033B1 EP98124639A EP98124639A EP0939033B1 EP 0939033 B1 EP0939033 B1 EP 0939033B1 EP 98124639 A EP98124639 A EP 98124639A EP 98124639 A EP98124639 A EP 98124639A EP 0939033 B1 EP0939033 B1 EP 0939033B1
Authority
EP
European Patent Office
Prior art keywords
tube
filling
groove
partition
wall
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
EP98124639A
Other languages
German (de)
English (en)
Other versions
EP0939033A1 (fr
Inventor
Bernd Hähnel
Herbert Frey
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.)
IWK Verpackungstechnik GmbH
Original Assignee
IWK Verpackungstechnik 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 IWK Verpackungstechnik GmbH filed Critical IWK Verpackungstechnik GmbH
Publication of EP0939033A1 publication Critical patent/EP0939033A1/fr
Application granted granted Critical
Publication of EP0939033B1 publication Critical patent/EP0939033B1/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
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/04—Methods of, or means for, filling the material into the containers or receptacles
    • B65B3/16—Methods of, or means for, filling the material into the containers or receptacles for filling collapsible tubes
    • 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
    • B65B29/00—Packaging of materials presenting special problems
    • B65B29/10—Packaging two or more different substances isolated from one another in the package but capable of being mixed without opening the package, e.g. forming packages containing a resin and hardener isolated by a frangible partition
    • 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
    • B65D35/00—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
    • B65D35/22—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor with two or more compartments
    • 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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/32—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging two or more different materials which must be maintained separate prior to use in admixture
    • B65D81/3261—Flexible containers having several compartments

Definitions

  • the invention relates to a method for filling a Two-chamber plastic tube according to the generic term of claim 1. Furthermore, the invention relates a device for performing the method according to the preamble of claim 5.
  • Two-chamber tubes made of plastic have been around for some time known (WO 97/47522 A) and offer the advantage of two to be able to absorb different substances in one tube without coming into contact with each other, as is the case, for example necessary with a two-component adhesive is.
  • a two-chamber tube is produced initially as a flat multilayer structure, whereby between an upper and a lower tube wall layer the plastic layer forming the partition is arranged. The tube then becomes an approximate circular shape erected, the tube wall, which is diametrically in the tube should extend, a significant excess length has the tube diameter. This excess length leads to the fact that the partition is not straight, but an unpredictably curved shape occupies.
  • the fingers limit that for Existing movement space and due to the high, speeds occurring in a tube filling machine there is a risk that the fingers and the filling nozzles will come together hinder each other.
  • the partition intrinsically unstable and only correctly positioned if the Fingers are properly immersed and the partition have spanned. Positional deviations of the fingers, like them after long operation of the tube filling machine as a result usual tolerances can lead to the fact that the partition wall only slightly or not at all is tense, which creates the risk of incorrect filling.
  • FR 961 154 shows a two-chamber tube, in the Interior a partition is used.
  • the partition is not attached to the tube wall, but it is removable from the tube and in the tube held by having them at the rear end of the tube the tube wall crimped and on the other hand in the head of the Tube is held.
  • the invention has for its object a method to create the type mentioned, in which the partition with high stability and security is positioned.
  • a device is to be created with which the process in a simple and inexpensive manner is executable.
  • the partition wall is thus tightened, by the end portions of the partition due to the Fixing on the tube wall this essentially follow and the middle area between the end areas the dividing wall is essentially straight diametrical based on the circular tube cross section.
  • the partition wall course given so that the filling nozzles with high accuracy in those defined by the tube wall and the partition Chambers can be introduced.
  • a disability of the Filling process due to an uncontrolled position of the Partition is therefore excluded.
  • the molding head When connecting, the middle area of the Partition will not be damaged.
  • the molding head preferably has a groove in which the central region the partition was added without contact can be.
  • the task is thereby solved that the filling unit upstream of a molding unit is a heated heated insertable into the tube Molding head that uses the end portions of the partition formed on opposite sides of the forming head Keeps contact surfaces aligned, and outside the tube arranged press jaws, which against the Contact surfaces of the molding head are movable.
  • the contact surfaces are on opposite Formed sides of the molding head. Between two contact surfaces extends in the mold head Middle area of the partition accommodating without contact Groove, which thus the molding head in two insertion sections divided.
  • the invention provided that the insertion portions of the Molding head on its insertion side facing the tube each have guide surfaces, for example can be achieved in that the guide surfaces are inclined towards each other in such a way that the insertion sections one tapering toward its lower free end Have shape.
  • the contact surfaces are usually parallel to each other aligned.
  • the groove connecting the contact surfaces can run perpendicular to it, but it has proven to be beneficial proven when the groove is oblique to the contact surfaces runs, being between the respective contact surface and the associated groove section an acute angle in the order of magnitude of approx. 60 ° to 70 ° has proven to be useful Has. This means that the middle of the Partition runs essentially diagonally in the groove and only selective contact with the groove wall in the area of the transition to the contact surfaces.
  • a molding unit 10 which in a tube filling machine can be installed.
  • the filling unit comprises a vertical stand 11 attached to its top ends in a horizontal cross member 12.
  • a vertically movable Bracket 13 On the cross member 12 is a vertically movable Bracket 13 a shaped head 14 mounted in a dashed Tube 20 shown at the top, open End can be introduced.
  • the molding head 14 are on opposite sides on horizontally movable Brackets 15 associated press jaws 16 associated with when the molding head 14 is retracted from the outside of the Place tube 20 and clamp it against the forming head 14 can, as indicated in Figure 2.
  • the forming head 14 is shown in detail in FIGS. 4 and 5 shown.
  • the molding head 14 has on its front first angled insertion side into the tube extending groove 17, which extends over the entire height of the Forming head 14 extends and thus in two finger-like, insertion sections protruding to the insertion side 14a and 14b divided.
  • On their side facing the entry page The top are at the insertion portions 14a, 14b guiding surfaces inclined towards each other, which has a tapering to the insertion sections, Give pyramid-like configuration.
  • the flanks 17a of the groove 17 are over a large part the groove length and especially in the middle area each provided with a large recess 18, so that the groove width is increased in sections.
  • FIG. 3a shows a top view of a conventional two-chamber tube 20 made of plastic.
  • the tube wall 21 is closed erected in a circular shape, with two diametrically between opposite connection points 23 and 24 of the Tube wall 21 is an existing plastic film Partition 22 extends the tube interior in two independent chambers 25 and 26 divided.
  • the partition 22 has a significant excess length compared to the diameter the tube 20, so that in the example shown S-shaped between the two connection points 23 and 24 runs.
  • the mold head is from above into the tube 20 14 retracted with its introducer, the insertion section 14a in the chamber 25 and the insertion section 14b comes to rest in the chamber 26.
  • the partition 22 is formed by the insertion side of the molding head 14 Guide surfaces passed into the groove 17 so that the partition 22 with its end regions 22a in Plant on the opposite sides of the molding head 14 formed contact surfaces 14c and 14d, while the middle region 22b of the partition wall 22 is in Longitudinal direction of the groove 17 extends and in this due the inclination of the groove 17 is diagonal. This State is shown in Figure 3b.
  • the End regions 22a of the partition 22 essentially each kept straight and parallel to each other.
  • the Tube 20 moved the press jaws against the forming head 14, so that the inside of the tube wall 21 with the help of the molding head 14 heated end regions 22a of the partition 22 comes into full contact.
  • this sweat or Connection position are the components for a predetermined period of time held so that a superficial Welding the end regions 22a of the partition wall 22 with the tube wall 21.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closing Of Containers (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Package Closures (AREA)
  • Basic Packing Technique (AREA)

Claims (11)

  1. Procédé de remplissage d'un tube à double chambre, présentant une section sensiblement circulaire et une paroi de séparation (22) en matière plastique s'étendant entre deux points de jonction (23,24) de la paroi du tube (21) situés sensiblement diamétralement à l'opposé l'un de l'autre, paroi de séparation présentant une surlongueur par rapport au diamètre du tube et formant avec la paroi du tube (21) les deux chambres (25,26), procédé dans lequel on introduit dans chaque chambre (25,26) une buse de remplissage pour l'introduction d'un produit de remplissage et l'on ferme ensuite le tube (20) après avoir ressorti les buses, caractérisé en ce qu'avant l'introduction des buses de remplissage, la paroi de séparation (22) est soudée, au niveau de ses zones d'extrémité (22a) avoisinant les points de jonction (23,24) sur la face interne de la paroi du tube (21), sur toute sa surface et de manière superficielle à la paroi du tube de telle manière que la longueur de la zone médiane (22b) restant entre les zones d'extrémité (22a) correspond sensiblement au diamètre du tube (20).
  2. Procédé selon la revendication 1, caractérisé en ce que l'on introduit dans le tube (20) une tête de conformation (14) chauffée qui maintient alignées les zones d'extrémité (22a) de la paroi de séparation (22) et en ce que de la face extérieure du tube (20) on déplace des mâchoires (16) contre les parties (14c, 14d) de la tête de conformation (14) maintenant les zones d'extrémité (22a).
  3. Procédé selon la revendication 2, caractérisé en ce que la tête de conformation (14) reçoit la zone médiane (22b) de la paroi de séparation (22) dans une rainure (17) sans la toucher.
  4. Procédé selon la revendication 2 ou 3, caractérisé en ce que les mâchoires (16) ne sont ni chauffées ni refroidies.
  5. Dispositif pour réaliser le procédé selon l'une quelconque des revendications 1 à 4, comprenant une unité de remplissage et une unité de fermeture placée en aval pour fermer les tubes remplis, caractérisé en ce qu'une unité de conformation (10) est placée en amont de l'unité de remplissage, comprenant une tête de conformation (14) chauffée pouvant être introduite dans le tube (20), qui maintient alignées les zones d'extrémité (22a) de la paroi de séparation (22) au moyen de surfaces d'appui (14c, 14d) conformées dans des faces opposées de la tête de conformation (14), et des mâchoires (16) disposées à l'extérieur du tube (20) pouvant être déplacées contre les surfaces d'appui (14c, 14d) de la tête de conformation (14).
  6. Dispositif selon la revendication 5, caractérisé en ce que la tête de conformation (14) présente une rainure (17) s'étendant entre les surfaces d'appui ((14c, 14d), divisant la tête de conformation (14) en deux segments d'introduction (14a, 14b).
  7. Dispositif selon la revendication 6, caractérisé en ce que les segments d'introduction (14a, 14b) présentent chacun sur leur face d'introduction en regard du tube (20) des surfaces de guidage.
  8. Dispositif selon la revendication 7, caractérisé en ce que les surfaces de guidage sont inclinées l'une vers l'autre de sorte que les segments d'introduction (14a, 14b) présentent une forme allant en s'effilant.
  9. Dispositif selon l'une quelconque des revendications 6 à 8, caractérisé en ce que la rainure (17) s'étend en biais par rapport aux surfaces de contact (14c, 14d).
  10. Dispositif selon l'une quelconque des revendications 6 à 9, caractérisé en ce que la rainure (17) présente des évidements (18) dans la zone médiane de sa longueur sur chacun de ses flancs (17a).
  11. Dispositif selon l'une quelconque des revendications 5 à 10, caractérisé en ce que les mâchoires (16) ne sont ni chauffées ni refroidies.
EP98124639A 1998-02-28 1998-12-23 Procédé et dispositif de remplissage d'un tube a double chambre Expired - Lifetime EP0939033B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19808649A DE19808649A1 (de) 1998-02-28 1998-02-28 Verfahren zum Befüllen einer Zwei-Kammer-Tube und Vorrichtung zu dessen Durchführung
DE19808649 1998-02-28

Publications (2)

Publication Number Publication Date
EP0939033A1 EP0939033A1 (fr) 1999-09-01
EP0939033B1 true EP0939033B1 (fr) 2003-04-16

Family

ID=7859325

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98124639A Expired - Lifetime EP0939033B1 (fr) 1998-02-28 1998-12-23 Procédé et dispositif de remplissage d'un tube a double chambre

Country Status (4)

Country Link
US (1) US6185911B1 (fr)
EP (1) EP0939033B1 (fr)
AT (1) ATE237501T1 (fr)
DE (2) DE19808649A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6574946B1 (en) * 1997-12-05 2003-06-10 Norden Pac Development Ab Method and device for end closure of packaging tubes
DE10009990A1 (de) * 2000-03-01 2001-09-06 Peter Weckerle Verfahren und Vorrichtung zum Befüllen von Doppelwandbehältern
DE10104069A1 (de) * 2001-01-29 2002-08-01 Iwk Verpackungstechnik Gmbh Tubenfüllmaschine
US20070084556A1 (en) 2005-10-14 2007-04-19 Langseder Neal E Method of applying a label to a squeeze tube

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR961154A (fr) * 1950-05-06
US1676734A (en) * 1922-12-16 1928-07-10 Gilmont Products Corp Apparatus and method for filling collapsible tubes
US3390507A (en) * 1964-08-27 1968-07-02 Dow Chemical Co Method of forming a dual compartment container
DE3776417D1 (de) * 1986-04-15 1992-03-12 Three Bond Co Ltd Kartusche fuer 2-komponenten-zusammensetzung.
FR2627463B1 (fr) * 1988-02-23 1990-06-15 Simon Patrick Recipient tubulaire deformable et son procede de fabrication en une seule piece
DE19522169C2 (de) * 1995-06-19 1997-05-28 Automation Industrielle Sa Verfahren zur Herstellung eines insbesondere mehrschichtigen Rohrkörpers mit mindestens einer Trennwand für eine Tube
US5714023A (en) * 1996-02-23 1998-02-03 Wheaton Holdings, Inc. Method for sealing two compartment containers
US5775386A (en) * 1996-06-13 1998-07-07 Colgate-Palmolive Company Apparatus and process for filling plural chamber container with flowable materials
US5782384A (en) * 1996-11-05 1998-07-21 Colgate-Palmolive Aligned web in a container
US5927550A (en) * 1996-12-04 1999-07-27 Colgate-Palmolive Company Dual chamber tubular container
SE509412C2 (sv) 1997-05-27 1999-01-25 Norden Pac Dev Ab Anordning och förfarande i tubfyllningsmaskin

Also Published As

Publication number Publication date
ATE237501T1 (de) 2003-05-15
DE59807958D1 (de) 2003-05-22
DE19808649A1 (de) 1999-09-02
EP0939033A1 (fr) 1999-09-01
US6185911B1 (en) 2001-02-13

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