EP1162154B1 - Récipient avec couvercle à charniére - Google Patents

Récipient avec couvercle à charniére Download PDF

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Publication number
EP1162154B1
EP1162154B1 EP01810453A EP01810453A EP1162154B1 EP 1162154 B1 EP1162154 B1 EP 1162154B1 EP 01810453 A EP01810453 A EP 01810453A EP 01810453 A EP01810453 A EP 01810453A EP 1162154 B1 EP1162154 B1 EP 1162154B1
Authority
EP
European Patent Office
Prior art keywords
film
layer
closure
polypropylene
tube
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
EP01810453A
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German (de)
English (en)
Other versions
EP1162154A1 (fr
Inventor
Wilfried Jud
Karl-Heinz Senger
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.)
3A Composites International AG
Original Assignee
Alcan Technology and Management Ltd
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Filing date
Publication date
Application filed by Alcan Technology and Management Ltd filed Critical Alcan Technology and Management Ltd
Publication of EP1162154A1 publication Critical patent/EP1162154A1/fr
Application granted granted Critical
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Anticipated expiration legal-status Critical
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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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/08—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures
    • 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
    • B65D35/02—Body construction
    • B65D35/12—Connections between body and closure-receiving bush
    • 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
    • B65D35/44—Closures
    • 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
    • B65D2401/00—Tamper-indicating means
    • B65D2401/15—Tearable part of the closure

Definitions

  • the present invention relates to a packaging tube according to the preamble of the claim 1.
  • hinged lid closures over, for example, screw cap closures are known.
  • hinged lid closures are quick, easy and one-handed operation.
  • the hinged lid also remains after opening on the packaging attached so that it can not get lost.
  • a known package with hinged lid closure contains e.g. a container body respectively. a tube tube and an opening containing and by welding or sealing to the tube tube end attached and separately manufactured headboard made of polyethylene.
  • the headboard is usually with a screw thread for attaching a hinged lid closure equipped with the hinged lid closure on the Head part of the packaging tube is screwed on.
  • the positive connection between Packaging container and hinged lid closure allows the individual design of the individual packaging elements with regard to the materials used.
  • the described packaging tube is expensive to produce but with the tube, the headboard and the hinged lid closure at least three made separate parts and in additional process steps to a complete Packaging tube are merged.
  • EP 496 704 B1 describes a packaging tube with a tube tube and a headboard.
  • the tubular body consists of a three-layer composite laminate with an intermediate layer or film with barrier effect against gases and water vapor, Planked on both sides with layers of polyethylene.
  • the headboard contains a shoulder part as well an opening and carries a thread for receiving a screw cap.
  • the Headboard is made of a processed by injection molding polyethylene and is connected by welding connection with the tubular body.
  • US 5,292,034 also describes a packaging tube with a multi-part closure system, which comprises a threaded part welded to the tube tube.
  • the Threaded part and the outer layers of the tube tube are, for example made of a polyethylene.
  • packaging tubes are known in which the container body together with the hinged lid closure by injection molding technology is made in one piece.
  • the Wall of the tube body is due to manufacturing cross-section of a single continuous plastic layer and therefore generally has an unsatisfactory barrier effect against volatile substances such as gases and water vapor.
  • US 5,036,889 further describes a packaging tube with a container body a film composite with outer layers of polyethylene and one in the container body integrated shoulder part. A molded in one piece hinged lid closure made of polyethylene is sealed with the shoulder part to the container body.
  • hinged lid caps made of polyethylene are often not satisfying. This affects the fact that the hinged lid with the closure neck connecting hinge suffers from increased susceptibility to breakage.
  • the invention is therefore based on the object, a flexible packaging, in particular a packaging tube to propose with a break-proof and bending-resistant hinged lid closure, which made of as few individual parts and thus easy and inexpensive in their production.
  • the object is achieved by the characterizing part of claim 1 solved.
  • annular wall section is intended in this text not only a circular in plan view Design of the same to be meant.
  • the annular wall portion and thus the closure neck can also be seen in plan view e.g. a polygonal, elliptical, oval or rectangular Have shape. Rather with a ring, the closure neck opening should be full, i.e. endless, surrounding and a hollow body shape with limited height expansion descriptive wall section be described.
  • the overlap area is expediently achieved by an intermeshing merge the closure neck formed with the container body.
  • a first version engages the closure neck in the container body opening, so that the contents of the package facing inner outer film resp. whose inner cover sheet of the container body with the outer wall of the closure neck forms an overlap region.
  • closure neck is slipped over the container body opening, so that the packaging contents facing away from the outer outer film resp. their Outer cover film of the container body with the inner wall of the closure neck forms an overlap area.
  • the container body engages in an annular, cross-sectional fork-like Recess of the closure neck, wherein two groove forming an annular Leg strip of the closure neck with the two outer films of the container body form an overlap area.
  • the closure neck in the region of the closure neck opening on both sides of films or film composites of the container body-film composite be overlapped, so that the closure neck between two sheets or foils connected engages the container body-film composite.
  • the container body-film composite has in this case in the region of the container body opening a separation along a Connecting surface between two films or Folienverbunden over a certain area section on, which also defines the overlap area.
  • the hinged lid closure and the packaging container are in the overlap area suitably connected to each other by means of a flat seal or welding connection.
  • the container body is in the form of a Tube tube before.
  • the tube tube can be a seamless tube tube, a tube tube with a longitudinal seam or a winding tube tube.
  • the invention also applies to tube-like packaging with hinged lid closure too.
  • tube tubes from packaging tubes is e.g. through roles and overlapping a foil composite in endless form to form a tube.
  • Tube tube tubes are separated in the desired length. If necessary, will at one end a shoulder-shaped conclusion for connecting the tube tube with a hinged lid closure shaped.
  • Suitable materials for the container body, in particular for the tube are, for example Foil composites containing layers or films of thermoplastic Plastics based on olefin, ester, amide, styrene or vinyl compounds. Further the film composite expediently at least one film or layer with barrier effect against gases and / or water vapor.
  • plastics for thermoplastic layers or films are polyethylenes, Polypropylenes, polyalkylene terephthalates, such as polyethylene terephthalate, polyamides, Polystyrene or copolymers of polystyrene with acrylonitrile or of polystyrene with butadiene or terpolymers of polystyrene with synthetic rubbers and acrylonitrile or polyvinyl chloride.
  • the films or layers may in particular be made from a polyethylene (PE), such as high density polyethylene (HDPE, density greater than 0.944 g / cm 3 ), medium density polyethylene (MDPE, density: 0.926 - 0.940 g / cm 3 ), linear polyethylene, medium Density (LMDPE, density: 0.926 - 0.940 g / cm 3 ), low density polyethylene (LDPE, density: 0.910 - 0.925 g / cm 3 ) and linear low density polyethylene (LLDPE, density: 0.916 - 0.925 g / cm 3 ) , wherein the PE films may be mono- or biaxially stretched.
  • PE polyethylene
  • HDPE high density polyethylene
  • MDPE medium density polyethylene
  • MDPE medium density polyethylene
  • LLDPE medium Density
  • LDPE low density polyethylene
  • LLDPE linear low density polyethylene
  • LLDPE linear low density polyethylene
  • the films or layers may also be made of a polypropylene (PP), in particular amorphous, crystalline, highly crystalline, isotactic, syndiotactic, atactic polypropylene or a mixture thereof, as well as axially or biaxially oriented or cast Polypropylene, wherein the PP films may be uniaxially or biaxially stretched.
  • PP polypropylene
  • films or layers can be made of homo-, co- or terpolymers and also polyblends of the polypropylene. These are e.g.
  • Ethylene / propylene multiblock copolymer (E / P-B), Ethylene-propylene elastomer (EPM), ethylene-propylene-diene elastomer (EPDM), ethylene / propylene / diene thermoplastic elastomer (EPTE), rubber-modified polypropylene (PP + EPM), as well as other unnamed copolymers or terpolymers or polyblends of polypropylene.
  • EPM Ethylene-propylene elastomer
  • EPDM ethylene-propylene-diene elastomer
  • EPTE ethylene / propylene / diene thermoplastic elastomer
  • PP + EPM rubber-modified polypropylene
  • Polyblends of polypropylene can also be polyblends of co- or terpolymers of polypropylene include.
  • the container body expediently consists of a film composite and contains an inner, the packaging content facing and an outer, the packaging content facing away Foreign film.
  • the inner and outer outer film in turn preferably contain an in outermost, free location arranged inner resp. outer cover layer.
  • the inner and / or the outer outer film in turn can be made of a film composite or a coextrusion film containing a cover layer.
  • the cover layer in turn is in a film composite e.g. a monofilm or a coextrusion film e.g. a layer.
  • the outer films may also be monofilms, wherein the outer layers in this case correspond respectively to the outer foils.
  • the inner resp. Outer cover layer can be arranged in the outer, free position Layer of a multilayer produced by coextrusion inner resp. outer outer film be. These in turn may be combined with other layers or foils, e.g. with a Interlayer or film and / or one or more further multilayer co-extrusion films, be merged into a container body-film composite.
  • the outer films corresponding cover sheets as monofilms with other Foils or film composites combined to said container body film composite be.
  • the inner and outer outer film of the container body film composite exist from a coextrusion film.
  • the inner and / or outer cover layer and in particular the above-mentioned overlap region facing cover layer of the inner or outer outer film suitably from a film or layer of an aforementioned polypropylene, co-or Terpolymer or polyblend of the polypropylene.
  • the outer films are monofilms, film composites or coextrusion films having two, three, or more layers, wherein the inner and / or the outer and in particular the above-mentioned overlapping area facing outer film of an aforementioned polypropylene, co- or terpolymer or Polyblend of polypropylene.
  • outer films especially those outer film, which with the hinged lid closure Partially enters a cohesive bond, and in particular their outer layers consist in a preferred embodiment of a polyblend of polypropylene with polyethylene.
  • the inner and / or outer outer film a Reinforcing film for stiffening the container body-film composite, in particular a Reinforcing film of a homopolymer of polypropylene, included.
  • the reinforcement film is preferably an intermediate layer of a multilayer composite film, which the inner and / or outer outer film forms.
  • the inner and / or outer outer films for example, a monofilm, a Foil composite or a coextrusion film with a cover layer of an aforementioned Polypropylene, co- or terpolymer or polyblend of the polypropylene and thereafter a reinforcing film of a homopolymer of the polypropylene.
  • the outer films are three-layered and contain one on both sides an aforementioned monofilm, film composite or coextrusion film planked reinforcing film, of the aforementioned type, wherein a subsequent to the reinforcing film contains the topcoat.
  • the outer films of a two-layer composite with an aforementioned monofilm, film composite or coextrusion film containing the cover layer and an aforementioned reinforcing layer.
  • the reinforcing film in the outer outer film has while advantageously a greater layer thickness than that of the inner outer film.
  • the outer films have, for example, a total thickness of 20-250 ⁇ m, preferably 30-200 ⁇ m.
  • the outer outer film is intended to bring about a stiffening of the film composite and, corresponding to the inner film, correspondingly has a greater layer thickness, for example a layer thickness which is 15-100 ⁇ m greater.
  • the inner and / or outer outer films may be TiO 2 -containing or TiO 2 -free or transparent.
  • Container body-film composites can one or more in addition to the aforementioned outer films further, between the outer films arranged films or layers, in particular an intermediate film or layer, with barrier effect against the passage or diffusion of optional or total gases or vapors, such as air, oxygen, carbon dioxide, Water vapor or against active ingredients, flavors and fragrances.
  • barrier layer depends in particular on the desired barrier effect.
  • a film with said barrier effect can e.g. made of a metal, e.g. Ferrous metal, like Iron, galvanized iron, steel or non-ferrous metal, such as chromium and especially aluminum and his alloys, his.
  • the metal foil may have a thickness of e.g. 6-100 ⁇ m, preferably from 6 to 50 ⁇ m and in particular from 7 to 30 ⁇ m.
  • suitable intermediate films or layers with said barrier effect are, for example organic barrier layers, e.g. Films of plastics, such as polyvinylidene chloride (PVDC), polymers of ethyl vinyl alcohol, ethylene vinyl alcohol copolymers (EVOH), polyacrylonitrile, e.g. BAREX®, cyclo-olefin copolymers (COC), polyacrylic-polyamide copolymers, Copolyester, liquid crystal polymers (LCP), polyethylene terephthalate (PETP) or aromatic and amorphous polyamides and acrylonitrile copolymer-containing films.
  • PVDC polyvinylidene chloride
  • EVOH ethylene vinyl alcohol copolymers
  • COC cyclo-olefin copolymers
  • polyacrylic-polyamide copolymers Copolyester
  • LCP liquid crystal polymers
  • PETP polyethylene terephthalate
  • Ceramic layers can be, for example, compounds of the formulas SiO x , where x is a number from 0.9 to 2, and aluminum oxide (Al 2 O 3 ) or aluminum nitride, which can be in a thin layer, for example in the range from 5 to 500 nm (nanometers), in particular from 10 to 200 nm, have been deposited in vacuo on a carrier foil.
  • Metallic layers of aluminum or one of the above metals can also applied by sputtering (cathode sputtering) on the surface of a carrier film be.
  • plastic films e.g. from a number of polyolefins, without or with insufficient Barrier properties can be a one- or two-sided ceramic or metal coating having the aforementioned properties.
  • the plastic carrier sheet may e.g. a film of polyamide, polyester, polyolefin, polyvinyl chloride, Polycarbonate or polyethylene terephthalate (PET).
  • the thickness of this Plastic films may e.g. 6 - 100 microns, preferably 10 - 80 microns.
  • intermediate films or layers can also be used as barrier layers, in particular as intermediate layers or films with barrier effect, in the following multilayer hinged lid closure can be used.
  • the container body-film composites can in addition to the aforementioned outer films and the intermediate film or layer with barrier effect even more films, film composites or Layers of thermoplastics, e.g. from the plastics mentioned above, in particular of polypropylene, polyethylene or polyalkylene terephthalate, such as polyethylene terephthalate or polyamide, polystyrene or a copolymer of polystyrene with acrylonitrile or polystyrene with butadiene or terpolymers of polystyrene with synthetic rubbers and acrylonitrile or polyvinyl chloride.
  • polypropylene, polyethylene or polyalkylene terephthalate such as polyethylene terephthalate or polyamide
  • the container body film composite or individual films or layers thereof may be transparent, be opaque or opaque. Furthermore, the container body-film composite or individual films or layers thereof are colorless, on or dyed through.
  • the container body-film composite expediently has a total thickness of 100-600 ⁇ m, preferably from 100 to 450 .mu.m, in particular from 120 to 300 .mu.m.
  • the individual films or film composites of the container body film composite can be produced, for example, by means of extrusion, coextrusion or calendering.
  • the individual films or film composites of the container body film composite can be brought together by means of connecting layers.
  • the connecting layers are preferably layers produced by means of laminating adhesives or laminating lacquers having an areal density of, for example, 1 to 10 g / m 2 , in particular 2 to 8 g / m 2 , or extrusion or coextrusion layers of, for example, a polyolefinic blend of LL-DPE, LDPE, MDPE, HDPE or from EAA (ethylene-acrylic acid copolymer) or from a polypropylene, co- or terpolymer or polyblend of the polypropylene.
  • the mentioned extrusion or coextrusion layers can have a thickness of, for example, 2 to 50 ⁇ m.
  • the surfaces of the films may be treated with a primer.
  • the slides can also to improve the adhesion of a corona, flame, plasma or ozone treatment be subjected.
  • Preferred container body-foil composites contain one between two outer foils, which from a plastic or with an aforementioned polypropylene, co- or terpolymer or Polyblend of polypropylene, arranged intermediate film with barrier effect from e.g. a polyethylene terephthalate, polyamide, polyester, EVOH, LCP or COC or a metal such as aluminum or an aluminum alloy.
  • a barrier effect Reinforcement film of an aforementioned polypropylene, co- or terpolymer or polyblend of polypropylene of a thickness of e.g. 20-200 ⁇ m, preferably 40-150 ⁇ m, for stiffening the container body-film composite included.
  • the reinforcement film can also, as already mentioned, also part of a film composite one, in particular the outer outer film, be.
  • the reinforcing film may also itself a film composite or a coextrusion film.
  • the inner outer film closes, optionally via an adhesive, laminating or adhesive layer, preferably directly to the intermediate film or layer, so that the layer thickness between barrier layer and packaging content is as low as possible and the barrier effect as close as possible to the contents of the package.
  • the inner outer film is preferred thinner than the outer outer film.
  • the inner outer foil can e.g. 1-250 ⁇ m, preferably 10-150 ⁇ m, in particular 15-100 ⁇ m, thinner than the outer outer film.
  • the hinged lid closure is preferably a one-piece injection molding or Molds manufactured molding.
  • the closure neck of the hinged lid closure is suitably tubular and may e.g. cylindrical, in particular circular cylindrical, or conical, with a lateral surface tapering towards the spout opening, be educated.
  • the hinge connecting the closure neck with the hinged lid becomes expediently in the same injection molding as an integral part of the hinged lid closure produced.
  • the hinged lid closure may further include one in the same method together with the Hinged lid closure produced originality closure included.
  • the originality closure is preferably via functional connecting bridges with the hinged lid closure connected.
  • the tamper-evident closure advantageously consists essentially from an aforementioned polypropylene, co- or terpolymer or polyblend of the polypropylene. A special version of such a tamper-evident closure is detailed described in the following embodiments.
  • the hinged lid closure consists essentially of an aforementioned polypropylene, Co- or terpolymer or polyblend of the polypropylene.
  • the term "essentially” is in particular be interpreted to the effect that the hinged lid closure in addition to said Plastic additionally a film, layer or coating with barrier effect may contain, as described below.
  • the hinged lid closure may contain or consist of amorphous, crystalline, highly crystalline, isotactic, syndiotactic or atactic polypropylene, as well as a mixture thereof or a cast polypropylene.
  • the polypropylene may be Homo-, co- or terpolymer or a mixture thereof.
  • polyblends of the polypropylene e.g. a polyblend of polypropylene with polyethylene, applicable.
  • Ethylene / propylene multi-block copolymer E / P-B
  • EPM ethylene-propylene elastomer
  • EPDM ethylene-propylene-diene elastomer
  • EPTE ethylene / propylene / diene thermoplastic elastomer
  • PP + EPM rubber modified polypropylene
  • the hinged lid closure preferably consists essentially of a polyblend of Polypropylene, in particular of a polyblend of polypropylene with polyethylene.
  • polypropylene-containing Plastic In order to improve the cold impact strength of said polypropylene-containing Plastic be enriched in particular with atactic polypropylene.
  • the mentioned Polypropylene-containing plastics may further include stabilizers, e.g. to increase the heat resistance, and other additives, such as e.g. mineral additives, in order to achieve or improving certain properties.
  • the melting behavior of the plastic of the outer film or the outer layer of the outer film is preferably on the melting behavior of the plastic of the hinged lid closure Voted.
  • hinged lid closure also applies for at least the outer layers of the multilayer described below Hinged lid closure.
  • the hinged lid closure an additional diffusion barrier in the form of a barrier layer, in particular a barrier layer from the preceding Aufallegedlyung, included.
  • the barrier effect of the hinged lid closure can be directed against certain substances such as water vapor, gases, flavors or fragrances.
  • This barrier layer may e.g. one on the packaging contents facing or opposite surface of the hinged lid closure arranged layer or foil be.
  • barrier layers for hinged lid closures are by vacuum thin-film technology produced ceramic layers or film-shaped pads made of plastic.
  • a film or layer having barrier effect may e.g. a metal or plastic film or Layer containing or consisting of PETP, EVOH, COC, LCP or an acrylonitrile copolymer be.
  • Barrier layers can be partially or fully applied to the hinged lid closure be.
  • the hinged lid closure in particular the closure neck, a part of the packaging content on the surface or over the entire surface arranged barrier layer.
  • the barrier layer or film is preferably partial or full surface on one or both surfaces the hinged lid closure, e.g. by means of laminating or coextrusion applied.
  • the integral with the container body a cohesive composite surface portion the hinged lid closure is expedient not with one of the aforementioned Film or layer provided with barrier effect.
  • the hinged lid closure in a combined Coextrusion injection molding produced multilayer, one-piece molding be.
  • the hinged lid closure is advantageously an at least three-layer, in particular a three-layer molded part, with an intermediate layer with barrier effect against gases (Air, oxygen, carbon dioxide, water vapor), flavors and / or fragrances.
  • the barrier layer can one of the aforementioned barrier layers, as in the container body Application can be.
  • the barrier layer is a plastic film from EVOH, PETP, polyamide, COC and especially from LCP.
  • Outer layers of the multilayer hinged lid closure are made of an aforementioned Polypropylene, co- or terpolymer or polyblend of polypropylene.
  • only the closure neck is multi-layered and one Barrier layer containing constructed.
  • the packaging container according to the invention can be produced by the folding lid closure with its closure neck to the container body opening of the prefabricated Container body is welded or cast to form a connecting seam, wherein the hinged lid closure at least in its outer layers and the connecting seam facing outer foil or cover sheet of a polypropylene, co-or Terpolymer of the polypropylene or polyblend of the polypropylene.
  • the closure neck is in a possible embodiment of the method under training an overlap region with a ring surrounding the closure neck opening Wall section slipped over the container body opening or pushed into this engaging, wherein in the overlap region between the closure neck and the container body-film composite a sealing or welding connection is formed.
  • the Spritzgiess- or molding is done conveniently using multi-part from die and male (press mandrel) existing molds.
  • the hinged lid closure can also be cast directly onto the container body with the container body forming the overlap area Wall section comes to rest in the die or male of the mold.
  • a film or a film composite with barrier properties of the above Structure are applied to the male or in the die, the cover sheet during the Spritzgiess- or Pressformvorganges for manufacturing the hinged lid closure with the fitting enters into a cohesive connection.
  • multilayer films or film composites with barrier effect an aforementioned construction with a film arranged in the outermost layer or layer of an aforementioned polypropylene, co- or terpolymer or polyblend prefabricated of the polypropylene and cohesively in injection molding or compression molding tool connected to the hinged lid closure.
  • the hinged lid closure after its manufacture in a vacuum thin-film process one or both sides, partial or full surface, in particular on the surface of the package, with a ceramic surface Barrier layer to be coated.
  • the welding or sealing connection in the overlap area between hinged lid closure and the container body can by means of radiation or contact heat or external heating by melting or melting the hinged lid closure and / or the adjacent outer films, in particular the adjacent cover sheet of the container body-film composite be executed.
  • the inventive packaging with a hinged lid closure made of polypropylene stands out over polyethylene ones among other things by a higher surface hardness, a higher tensile strength, a higher elastic recovery, a higher temperature resistance and better long-term durability.
  • the Susceptibility to breakage of the hinge of the hinged lid closure, e.g. in the form of a fatigue fracture, is therefore much lower in the inventive packaging.
  • packaging with at least polypropylene outer films are suitable or cover layers of the container body-film composite and with a hinged lid closure made of polypropylene better for hot filling and sterilization, especially heat or radiation sterilization, of the package contents.
  • the packaging container according to the invention is also suitable for higher pressure on the longitudinal, end and head seams. As a result, the packaging can be exposed to higher loads or the wall thicknesses for equal stresses can be compared to container bodies made of polyethylene be reduced and thus also the material costs.
  • FIG 1 shows an exemplary embodiment of a packaging tube 1 with hinged lid closure 6 and tube tube 2.
  • the hinged lid closure 6 is made of a Polyblend of polypropylene and contains a tubular, conically shaped closure neck 3, a Spout 5 and a hinged lid 4, which is movable via a hinge 7 with the Closure neck 3 is connected.
  • the hinged lid 4 also has a pin 8 for sealing Close the spout opening 5.
  • FIG 2 shows the cross-sectional view of the upper portion of another exemplary Execution of a packaging tube 10 with a hinged lid closure 12 and a Tube tube 11 as a container body.
  • the hinged lid closure 12 is made of a polyblend of the polypropylene and contains a tubular conical closure neck 14, a hinged lid 13 with a pin 15 for sealingly closing a spout opening 16.
  • the hinged lid 13 is connected to the closure neck 14 via a hinge 17 connected.
  • the closure neck 14 engages to form an overlap region 30 with an annular wall surface of the closure neck opening 18 into the tube tube opening 19 as a container body opening.
  • the closure neck 14 and the tube tube 11 are in their overlap area 30 welded together.
  • the tube tube 11 consists of a tube tube-film composite 20 according to Figure 4a.
  • FIG. 3a-b shows a further tube packaging 40 in the form of a standing tube made of one Hinged lid closure 42 and a tube tube 41 welded to the latter Hinged lid closure 42 is circular cylindrical and consists of a closure neck 46 and connected via a hinge 43 with the latter hinged lid 45 together.
  • Hinged lid closure 42 is circular cylindrical and consists of a closure neck 46 and connected via a hinge 43 with the latter hinged lid 45 together.
  • In front alignment, i. essentially with respect to the hinge 43 is a with arranged a roughness profile provided gripping aid 47.
  • the diameter of the hinged lid closure 42 is substantially consistent with the tube diameter.
  • a hinge 43 is substantially opposite Tamper evident 44 attached in the form of a strip, which with his upper edge of the opening line 49 between closure neck 46 and hinged lid 45 and with its lower edge the tube tube edge and also the circular cylindrical shape of the closure neck 46 follows.
  • the tamper-evident closure 44 stretches over approximately half the circumference of the Hinged lid closure 42 and is by means of the opening line 49 away Connecting bridges 48 connected to the hinged lid 45.
  • the tamper-evident closure 44 by means of the closure neck 46 above and in recesses in the Tamper-evident 44 engaging projections against sliding away in the same Direction hinged lid 45 secured (not shown), such that the hinged lid 45 through the tamper-evident closure 44 via the connecting bridges 48 is secured against opening.
  • the connecting bridges 48 are cut off, whereby the tamper-evident closure 44 is destroyed and the hinged lid 45 can be opened.
  • the spout opening protrudes in the shape of a tapering towards the outlet opening Neck out of the closure neck.
  • the tube packaging engages the spout opening in the closed state of the hinged lid closure in a circular cylindrical molding on a bottom inside of the hinged lid, wherein the inner diameter of said Anformung about the outer diameter the neck-like spout opening in its end portion corresponds (not shown).
  • FIG. 4a shows the structure of the tube tube composite film 20 of an inventive method Packaging tube (see also Fig. 2).
  • the tube tube-foil composite 20 contains an inner, the packaging content facing outer film 24, and an outer, the package contents remote outer film 21 of a sealable Polyblend of polypropylene with Polyethylene, which at the same time correspond to the outer layers.
  • To the inner outer film 24 closes an intermediate foil 23 with barrier action against gases (air, oxygen, carbon dioxide, Steam), flavors and fragrances.
  • the intermediate foil 23 is e.g. a plastic film from EVOH, LCP, PETP, polyamide or COC or a metal foil.
  • a reinforcing sheet 22 for stiffening the tube tube composite film 20 of a homopolymer of polypropylene arranged.
  • the individual films are by means of connecting layers 26, 27, 28 of a laminating adhesive or laminating paint mutually connected to the tube tube-film composite 20.
  • the slides however, they can also be mutually connected by extrusion or coextrusion
  • the bonding layer may also be an extrusion or coextrusion layer be.
  • Tubular tube composite 50 includes an inner 53, the outer surface facing the contents of the package and external, the package contents facing away 51, both of which consist of a three-layer coextrusion film of the aforementioned Polypropylene, co- or terpolymer or polyblend of polypropylene are.
  • the Outer films 51, 53 each include a cover layer 52, 54, which has an outermost, represent exposed layer of the coextrusion film.
  • the thickness of the outer outer film 51 is 70-150 ⁇ m and that of the inner outer film 53 is 30-100 ⁇ m.
  • the two outer films have a density of 0.89-0.92 g / cm 3 .
  • the outer outer film 51 may optionally also be a monofilm of an abovementioned polypropylene, co-polymer or terpolymer or polyblend of the polypropylene of said thickness.
  • an intermediate film 57 with a barrier effect against gases (air, oxygen, carbon dioxide, water vapor), aroma and fragrances with a thickness of 10 - 25 microns is arranged.
  • the intermediate film 57 is preferably an SiO x -coated polyethylene terephthalate (PET) support film, wherein x is 0.9 to 2.0.
  • the intermediate foil 57 is connected to the outer foils 51, 53 by means of a laminating lacquer 56, 58 having a surface density of 1-10 g / m 2 .
  • FIG. 4c shows a further embodiment of a tube tube composite film 60 of a packaging tube according to the invention.
  • the tube tube film composite 60 includes an inner 63, the package contents facing and outer, the package contents facing away from outer film 61, both of a three-layer coextrusion of an aforementioned polypropylene, co- or terpolymer or polyblend of polypropylene with a density of 0.90 - , 96 are on g / cm 3 .
  • the total thickness of the outer outer film 61 is 55 - 250 microns, wherein the coextrusion film the outer outer film 61 in turn from two outer films 62, 70th a thickness of 7 - 50 microns, one of which is the outer cover layer 62, and an intermediate foil 69 of a thickness of 40-150 ⁇ m.
  • the total thickness of the inner outer film 63 is 35-200 microns, wherein the coextrusion film the inner outer film 63 in turn from two outer films 64, 72 a Thickness of 7 - 50 microns, one of which is the inner cover layer 64, and an intermediate film 71 is a thickness of 20 - 100 microns.
  • the two outer films 61, 63 have a density of 0.88-0.92 g / cm 3 .
  • the intermediate film 67 is connected to the outer films 61, 63 by means of a laminating adhesive 66, 68 or via a mono- or coextrusion film.
  • Said mono- or coextrusion film may have a thickness of, for example, 2 to 50 ⁇ m.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Laminated Bodies (AREA)
  • Tubes (AREA)

Claims (8)

  1. Tube d'emballage avec tuyau tubulaire flexible contenant une ouverture tubulaire en composite de feuilles (60), avec une feuille extérieure (61, 63) interne et externe contenant respectivement une couche de couverture (62, 64), une couche protectrice agencée entre la feuille extérieure interne et externe, et un mécanisme de fermeture de type couvercle à charnière (12) d'un seul tenant, contenant un col de fermeture en forme de tube (14) muni d'une ouverture de coulée (16) et d'une ouverture de col de fermeture (18), et un couvercle à charnière (13) relié au col de fermeture (14) par une charnière (17), le mécanisme de fermeture de type couvercle à charnière (12) étant situé sur l'ouverture du tuyau tubulaire (19) en formant une zone de chevauchement, et une section de paroi annulaire globale de l'ouverture du col de fermeture (18) formant avec la couche de couverture d'une feuille extérieure (61) du tuyau tubulaire (11) une liaison plate par soudage ou scellage,
       caractérisé en ce que
       le mécanisme de fermeture de type couvercle à charnière (12) est constitué au moins dans ses couches extérieures d'un polypropylène, co ou terpolymère du polypropylène ou polymélange du polypropylène, et la feuille extérieure (61) tournée vers la zone de chevauchement est un film de coextrusion ou un composite de feuilles, contenant une couche de couverture en copolymère statistique du propylène avec une proportion de masse jusqu'à 50 % d'une ou plusieurs oléfines aliphatiques sans groupes fonctionnels et est une couche de renforcement en homopolymère du propylène.
  2. Emballage flexible selon la revendication 1, caractérisé en ce que le mécanisme de fermeture de type couvercle à charnière (12) est une pièce moulée d'une seul tenant par moulage par injection, coextrusion-moulage par injection, moulage par injection en plusieurs couches ou pressage et est essentiellement constituée d'un polypropylène, d'un co ou terpolymère du polypropylène ou d'un polymélange du polypropylène.
  3. Emballage flexible selon l'une quelconque des revendications 1 à 2, caractérisé en ce qu'une couche ou feuille de blocage avec action protectrice contre les substances volatiles comme les gaz, la vapeur d'eau, les substances aromatiques ou odorantes est agencée sur au moins une partie de la surface interne et/ou externe du mécanisme de fermeture de type couvercle à charnière, et la couche ou feuille de blocage est de préférence une couche fine céramique ou un dépôt de type feuille en matière synthétique en métal avec action protectrice.
  4. Emballage flexible selon l'une quelconque des revendications 1 à 2, caractérisé en ce que le mécanisme de fermeture de type couvercle à charnière est une pièce d'un seul tenant moulée par injection et au moins le col de fermeture et/ou le couvercle à charnière sont une pièce moulée par injection à plusieurs couches avec une couche intermédiaire extrudée offrant une action protectrice contre les substances volatiles comme les gaz, la vapeur d'eau, les substances aromatiques et odorantes.
  5. Emballage flexible selon la revendication 4, caractérisé en ce que le mécanisme de fermeture de type couvercle à charnière est une pièce moulée par injection à plusieurs couches présentant une couche ou feuille intermédiaire en matière synthétique avec action protectrice qui est agencée au moins dans le col de fermeture et/ou dans le couvercle à charnière entre deux couches en polypropylène, co ou terpolymère du polypropylène ou polymélange du polypropylène.
  6. Emballage flexible selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le col de fermeture (14) est retourné sur l'ouverture du tuyau tubulaire (11) avec une section de paroi entourant globalement et en forme d'anneau l'ouverture du col de fermeture (18) ou s'engage dans celle-ci et est situé, tout en formant une zone de chevauchement (30) sur la feuille extérieure interne ou externe (61, 63) du composite de feuilles de tuyau tubulaire (60), et le col de fermeture (14) forme dans la zone de chevauchement (30) avec la feuille extérieure interne ou externe (61, 63) une liaison par soudage ou scellage.
  7. Emballage flexible selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le composite de feuilles de tuyau tubulaire (60) et/ou le mécanisme de fermeture de type couvercle à charnière contient une feuille ou couche intermédiaire (23) offrant une action protectrice contre l'air, l'oxygène, la vapeur d'eau, les substances aromatiques et/ou odorantes et la feuille ou couche intermédiaire (23) est une feuille d'aluminium ou une feuille de matière synthétique en chlorure de polyvinylidène (PVDC), en polymère d'éthyl-vinyl-alcool, en copolymères d'éthylène-vinyl-alcool (EVOH), en copolymères cylo-oléfine (COC), en un polymère à cristaux liquides (liquid crystal) (LCP) ou en polyamide ou est une feuille de matière synthétique revêtue de SiOx en téréphtalate de polyéthylène (PET), x étant un nombre de 0,9 à 2,0.
  8. Emballage flexible selon l'une quelconque des revendications 1 à 7, caractérisé en ce que la couche de renforcement qui renforce le composite de feuilles du tuyau tubulaire est agencée entre la feuille ou couche intermédiaire offrant une action protectrice et au moins une des deux feuilles extérieures, de préférence les feuilles extérieures externe et interne.
EP01810453A 2000-06-06 2001-05-10 Récipient avec couvercle à charniére Expired - Lifetime EP1162154B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH11122000 2000-06-06
CH11122000 2000-06-06

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EP1162154A1 EP1162154A1 (fr) 2001-12-12
EP1162154B1 true EP1162154B1 (fr) 2005-09-28

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US (1) US6405896B2 (fr)
EP (1) EP1162154B1 (fr)
AT (1) ATE305417T1 (fr)
BR (1) BR0102274A (fr)
CA (1) CA2349643C (fr)
DE (1) DE50107542D1 (fr)
ES (1) ES2245677T3 (fr)

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US20050147777A1 (en) * 2004-01-05 2005-07-07 Fries Carolyn A. Lightweight plastic laminate suitable for gas and moisture resistant environmental housings
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ES2306975T3 (es) * 2004-07-29 2008-11-16 Guala Pack S.P.A. Recipiente flexible destinado a contener productos alimenticios y procedimiento para fabricar dicho recipiente flexible.
DE102004040673A1 (de) 2004-08-20 2006-03-09 Systec Komplettsysteme Gmbh Behälter aus Kunststoff sowie Verfahren zur Herstellung eines solchen Behälters
EP1657174A1 (fr) * 2004-11-15 2006-05-17 Sika Technology AG Récipient en forme de tube
US7510095B2 (en) 2005-03-11 2009-03-31 Berry Plastics Corporation System comprising a radially aligned container and closure
FR2908392B1 (fr) * 2006-11-09 2010-11-12 Lindal France Tube souple muni d'une tete distributrice et d'une coiffe charniere
EP2129590A2 (fr) * 2007-04-05 2009-12-09 The Procter and Gamble Company Partie de distribution en un seul élément
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FR2923468B1 (fr) * 2007-11-09 2011-07-22 Alcan Packaging Beauty Serv Recipient pour produit fluide
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EP2292518A1 (fr) * 2009-09-02 2011-03-09 Nestec S.A. Emballage d'un seul tenant comportant un conteneur et une fermeture
FR2949761B1 (fr) * 2009-09-10 2011-12-02 Oreal Dispositif de conditionnement et de distribution d'un produit
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WO2012139292A1 (fr) * 2011-04-14 2012-10-18 北京印刷学院 Composition de modifiant pour polyoléfine, polyoléfine pour emballage et film d'emballage souple
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FR3020252B1 (fr) 2014-04-24 2020-10-23 Albea Services Tube en polypropylene
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WO2025093097A1 (fr) * 2023-10-30 2025-05-08 Hoffmann Neopac Ag Dispositif de conditionnement et de distribution d'un produit, procédé de fabrication du dispositif

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Also Published As

Publication number Publication date
CA2349643C (fr) 2007-05-22
BR0102274A (pt) 2002-02-19
US20010050291A1 (en) 2001-12-13
CA2349643A1 (fr) 2001-12-06
DE50107542D1 (de) 2005-11-03
US6405896B2 (en) 2002-06-18
EP1162154A1 (fr) 2001-12-12
ATE305417T1 (de) 2005-10-15
ES2245677T3 (es) 2006-01-16

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