EP3110707A1 - Kunststoffdose und verfahren zur herstellung davon - Google Patents

Kunststoffdose und verfahren zur herstellung davon

Info

Publication number
EP3110707A1
EP3110707A1 EP15709755.1A EP15709755A EP3110707A1 EP 3110707 A1 EP3110707 A1 EP 3110707A1 EP 15709755 A EP15709755 A EP 15709755A EP 3110707 A1 EP3110707 A1 EP 3110707A1
Authority
EP
European Patent Office
Prior art keywords
cap
container
lid
opening
cover
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP15709755.1A
Other languages
English (en)
French (fr)
Other versions
EP3110707B1 (de
Inventor
Robin MATTHEW
Daniel Gasser
Alex BAUMGARTNER
Jerôme MATHYER
Robert Maerky
Karine GEILLON
Sébastien Rime
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.)
Estavayer Lait SA
Original Assignee
Estavayer Lait 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 Estavayer Lait SA filed Critical Estavayer Lait SA
Publication of EP3110707A1 publication Critical patent/EP3110707A1/de
Application granted granted Critical
Publication of EP3110707B1 publication Critical patent/EP3110707B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
    • B65D17/401—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall
    • B65D17/4012—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall for opening partially by means of a tearing tab
    • 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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/18—Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
    • B65D51/20—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing
    • B65D51/22—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing having means for piercing, cutting, or tearing the inner closure
    • B65D51/221—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing having means for piercing, cutting, or tearing the inner closure a major part of the inner closure being left inside the container after the opening
    • B65D51/222—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing having means for piercing, cutting, or tearing the inner closure a major part of the inner closure being left inside the container after the opening the piercing or cutting means being integral with, or fixedly attached to, the outer closure
    • 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
    • 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
    • B65B55/00—Preserving, protecting or purifying packages or package contents in association with packaging
    • B65B55/02—Sterilising, e.g. of complete packages
    • B65B55/04—Sterilising wrappers or receptacles prior to, or during, packaging
    • 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
    • B65B55/00—Preserving, protecting or purifying packages or package contents in association with packaging
    • B65B55/02—Sterilising, e.g. of complete packages
    • B65B55/12—Sterilising contents prior to, or during, packaging
    • 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
    • B65B7/00—Closing containers or receptacles after filling
    • B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
    • B65B7/28—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers
    • B65B7/2842—Securing closures on containers
    • B65B7/2878—Securing closures on containers by heat-sealing
    • 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
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/12—Cans, casks, barrels, or drums
    • B65D1/14—Cans, casks, barrels, or drums characterised by shape
    • B65D1/16—Cans, casks, barrels, or drums characterised by shape of curved cross-section, e.g. cylindrical
    • B65D1/165—Cylindrical cans
    • 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
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • 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
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/14—Non-removable lids or covers
    • B65D43/16—Non-removable lids or covers hinged for upward or downward movement
    • 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
    • B65D47/0804—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage
    • B65D47/0833—Hinges without elastic bias
    • B65D47/0838—Hinges without elastic bias located at an edge of the base element
    • 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
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • B65D85/72—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for for edible or potable liquids, semiliquids, or plastic or pasty materials
    • B65D85/80—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for for edible or potable liquids, semiliquids, or plastic or pasty materials for milk
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/0003—Two or more closures
    • B65D2251/0006—Upper closure
    • B65D2251/0025—Upper closure of the 47-type
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/0003—Two or more closures
    • B65D2251/0068—Lower closure
    • B65D2251/0093—Membrane
    • 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
    • B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/0001—Details
    • B65D2517/0031—Reclosable openings
    • B65D2517/004—Reclosable openings by means of an additional element
    • B65D2517/0041—Reclosable openings by means of an additional element in the form of a cover
    • 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
    • B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/0001—Details
    • B65D2517/0058—Other details of container end panel
    • B65D2517/008—Materials of container end panel
    • B65D2517/0082—Coated or laminated metal

Definitions

  • the present invention relates to a liquid food in a plastic can, the plastic can, and methods of making, filling and providing a plastic can.
  • the invention relates to other aspects as described in the summary and the description of the invention. State of the art and problems at the origin of the invention
  • the present invention aims to provide a plastic can, preferably a can having a sterile content.
  • Beverage cans provide convenient and fast consumption and are popular with consumers. They usually contain the quantity of one or two portions ("serving size"), which allows a consumer to bring a can for later consumption, for example during a trip.
  • the cans are used as containers for alcoholic beverages as well as soft drinks, such as carbonated drinks, and convey notions of leisure, pleasure and freedom.
  • Cans are usually made of sheet iron or aluminum. The manufacturing processes of these cans have been developed so that the contents of the can is at least pasteurized and preferably sterilized after filling to ensure food safety. As described in the patent application EP 2 409 925 A2, the cans must withstand temperatures up to 50 to 70 ° C and internal pressures up to 7 bar, for which reason this document teaches a can in which the enclosed liquid does not come into contact with the plastic.
  • EP 2 409 925 A2 however discloses a resealable lid which can be used on a metal can.
  • patent applications US 2008/0110887 and DE10244349 disclose reclosable plastic revolving lids for a metal can. The state of the art also offers plastic cans.
  • the patent application WO2007 / 076620 shows a plastic can which is filled by the part opposite to the resealable lid, the latter being formed in one piece with the body of the can and having a breaking point, driven by the lid which can then be folded to give access to the opening for consumption of the drink.
  • WO 2005/023666 discloses a plastic can having a two-part construction, with a bottle-shaped container and a resealable lid. This can seems to be particularly suitable for soft drinks, such as beer.
  • the present invention aims to provide a plastic can, preferably a can likely to include a sterile liquid product and / or sterilized.
  • the present invention aims to combine the advantages of a can-type container with the advantages of plastic packaging. These can be transparent, if desired. Since the manufacture of metal cans requires particular installations, it is advantageous to be able to produce a can without such an installation.
  • an object of the invention is to be able to use the pre-existing lines of production, sterilization and / or filling, for example in the context of filling bottles under aseptic conditions.
  • the present invention relates to a can made of essentially plastic. In one aspect, the present invention relates to a substantially plastic can comprising a liquid food, in particular a beverage.
  • the present invention relates to a substantially plastic can comprising a sterile liquid food, preferably a sterile beverage.
  • the present invention relates to a substantially plastic can comprising a pasteurized liquid food, preferably a pasteurized beverage.
  • the present invention relates to a substantially plastic can, the can comprising a container having a substantially cylindrical body and an opening at the upper end of the container, said opening being sealed by a lid, the can also having a cap attached at the top of the container and having a piercing device.
  • the present invention relates to a substantially plastic can containing a beverage
  • the can comprising a container having an opening hermetically closed by a lid, said lid being arranged to be irreversibly open at the first opening of the can, said can having a cap placed on an upper part of the container and having a piercing device adapted to be activated by a consumer to pierce the lid and thus open the can, characterized in that said cap is blocked on the container by at least a weld, said at least one weld being between the cap and the top of the container and / or between the cap and the cap.
  • the present invention relates to a plastic cap capable of being connected to a container so as to constitute a can, the cap comprising a piercing device capable of opening the can and a cover arranged so as to be able to close the can once it is open.
  • the present invention relates to a plastic can (empty), one or more components thereof as described, and a can containing a liquid food.
  • the present invention relates to methods of making the can according to the invention and / or filling and / or assembling the can.
  • the present invention relates to methods of packaging the can according to the invention and / or filling and / or assembling the can.
  • the invention relates to a method for providing and / or obtaining a plastic can comprising a liquid food, preferably a sterile beverage and / or sterilized.
  • the invention relates to a method of filling a container and / or a plastic can under aseptic conditions.
  • the invention relates to the filling and sealing of a plastic can. In one aspect, the invention relates to the provision of a liquid food in a can made essentially of plastic.
  • the invention relates to a liquid food packaged in or packaged in a can made of essentially plastic.
  • the invention relates to a method for obtaining and / or providing a plastic can comprising a liquid food, the method comprising the steps of: providing a plastic container filled with a liquid food, closing the filling opening of the container; and, attach a cap to the closed container.
  • the invention relates to a method for obtaining and / or providing a plastic can comprising a liquid food, the method comprising the steps of: providing a plastic container filled with a liquid food and comprising an opening hermetically closed by a lid; and, attach a cap to the closed container.
  • the invention relates to the plastic can and / or the food in the plastic can obtained by any of the methods of the invention.
  • Other aspects of the invention and preferred embodiments are defined in the claims and in the description hereinafter.
  • Figure 1 shows a perspective view of a can according to an embodiment of the present invention.
  • FIG. 2 shows a perspective view of the can of Figure 1, the lid is shown in the open position.
  • FIG. 3 represents a view in longitudinal section of the container of the can of FIG. 1.
  • Figure 4 shows a perspective view of the cap of the can of Figures 1 and 2, the lid being in the open position.
  • FIG. 5 represents a perspective view of a section of the cap of the can of FIGS. 1 and 2.
  • FIG. 6 represents a longitudinal sectional view of the can of FIG. 1.
  • FIG. 7 represents a detail of FIG. 6 showing an enlargement of the content of the rectangle A of FIG. 5.
  • FIG. 8 represents a longitudinal sectional view of the upper part of the set of the can of Figure 1, the lid being in the open position.
  • Figure 9 shows the same view as that of Figure 8, in which the lid of the can was pierced.
  • Figure 10 shows a front elevational view of a cap according to a second embodiment of the invention.
  • Figures 11 to 13 show a cap according to a third embodiment of the invention.
  • Figures 11 and 12 show perspective views illustrating the first opening of the lid.
  • Figure 13 shows a front view of the cap, the lid being shown in the closed position, before the first opening of the lid.
  • FIGs 14 to 17 illustrate a cap according to a fourth embodiment of the invention, wherein the pivoting cover is replaced by a detachable cover, shown specifically in Figure 17.
  • Fig. 18 is a perspective view of the cap according to a fifth embodiment, in which the cover is pivoted rearwardly.
  • FIG. 19 represents a view in longitudinal section of the can comprising the cap shown in FIG. 18.
  • Fig. 20 shows a detail of Fig. 18 showing an enlargement of the cap of Fig. 18 without its cover.
  • Figure 21 is a longitudinal sectional view of the upper part of the can of Figure 19, in which the piercing device is depressed and the cover closed. Detailed description of preferred embodiments
  • Figure 1 shows a can 1 according to one embodiment of the invention.
  • the can comprises a receptacle 2 and a cap 3.
  • the cap 3 comprises a lid 4.
  • the lid can be opened or closed by pivoting.
  • the cannete 1 comprises a resealable lid 4.
  • the can 1 is made essentially of plastic.
  • the container 2 is essentially or entirely made of plastic.
  • the cap 3 is preferably also substantially or entirely of plastic.
  • the drink (the food) in the can 1 is in contact with the plastic material of the can 1, in particular with the plastic material of the container 2.
  • the plastic or "plastic material" including the container 2 and the cap 3 of the can according to the invention are essentially formed is preferably a synthetic or artificial polymer material.
  • the container 2 and the cap 3 may be formed by thermoforming, plastic injection, extrusion blow molding or injection blow molding, for example.
  • the container 2 is formed by extrusion blow molding.
  • the cap 3 is formed by plastic injection.
  • the container 2 and / or the cap 3 may be formed of all the thermoplastic materials used for the manufacture of hollow bodies. Examples of such plastics are PET (polyethylene terephthalate), PE (polyethylene), and PP (polypropylene).
  • the container 2 and / or the cap 3 may be made of "barrier packaging material", for example composite material as described below below.
  • the plastic material (s) of which the container 2 and the cap 3 is / are formed preferably comprises a sufficiently rigid material to guarantee the stability and rigidity of the can 1. Consequently, the Container 2 and cap 3 preferably have fixed shapes defined by the production process.
  • the body 2 of the container in particular the cylindrical wall 27, comprises is / or is made of a soft plastic.
  • the container 2 is made of several layers (multilayer), for example three or more layers, including a layer that absorbs light, at least partially.
  • the container has an anti-oxygen layer, inhibiting the diffusion of oxygen through the wall of the container.
  • An anti-oxygen layer can be made of EVOH (ethylene-vinyl alcohol).
  • EVOH ethylene-vinyl alcohol
  • Such a layer is preferably used when the drink is contains vitamins or other substances sensitive to degradation in the presence of oxygen.
  • the light absorbing layer and the antioxidant layer are barrier layers.
  • the container comprises or is manufactured in multilayer and comprises at least one barrier layer, for example two or more barrier layers.
  • the container has a light absorbing layer and / or an anti-oxygen layer.
  • the barrier layers are preferably inside and covered by other layers.
  • the can comprises at least one transparent plastic part.
  • part or all of the cylindrical side wall 27 ( Figure 3) of the can may partially or entirely be transparent for visible light.
  • a part or the whole of the cap 3, for example the cover 4, is partially or completely transparent.
  • a portion of the can 1 may include a tinted clear plastic.
  • the can 1 comprises a food, in particular a liquid food, preferably a beverage.
  • the can 1 comprises a milk diet, for example a milk drink.
  • the food is a yogurt drink.
  • the liquid food may have flavors.
  • the liquid food comprises coffee.
  • the liquid food may be a latte, a cream coffee, a cappuccino and / or a café macchiato.
  • the drink is also milky in the sense of the invention.
  • milk food or "a milk drink” refers to a food comprising at least one ingredient from milk, for example having one or more milk proteins, lactose and / or milk fat.
  • a milk feed comprises milk, for example whole milk, fully or partly skimmed milk or powder made from whole milk or (partially or totally) skimmed milk.
  • the lacteal food is allergen-free and / or lactose-free, or has a substantially reduced amount of allergens and / or lactose, respectively.
  • the can of the invention may also contain other drinks.
  • the can contains a non-dairy food, for example a non-milk beverage.
  • the liquid food does not contain milk.
  • the liquid food may be a coffee without milk, a juice, or a carbonated beverage that does not contain milk or milk-derived ingredients.
  • the food in particular the drink, is homogeneous.
  • the food in particular the drink, is homogenized.
  • the can according to the invention contains a sterile food.
  • the can of the invention contains a liquid food that has not been subjected to a sterilization process.
  • the can of the invention contains a pasteurized liquid food.
  • the can according to the invention comprises a liquid food that can be consumed without risk to the health of the consumer.
  • the food may be made available for consumption by any method which ensures the absence of a risk to health, in particular the absence of harmful microorganisms or the presence of such microorganisms sufficiently low to guarantee the absence of a risk for health.
  • the can according to the invention contains a sterile food, preferably a sterile beverage.
  • a sterile food preferably a sterile beverage.
  • the characteristic of sterility applies to the food product (for example said milk drink or the non-milk drink) in the can, after filling and closing, therefore to the volume comprising the food and hermetically closed as described below. -Dessous.
  • the sterility characteristic does not necessarily apply to the outer surfaces of the container 2 or the can 1 as a whole.
  • sterile refers to an absolute condition, which is the absolute absence of any living microorganism.
  • the term "living microorganism” includes microscopic fungi, including yeasts, bacteria and, in a preferred embodiment, also viruses.
  • the term “living microorganism” also includes spores, forms of resistance of certain bacteria and fungi.
  • the food contained in the can of the invention is sterile, any live microorganism being absent.
  • sterile represents an absolute condition: a product is sterile or is not.
  • efficiency of a sterilization process can not be defined in this way because a population of microorganisms exposed to such a process follows an exponential model. Therefore, there is always a limited likelihood that a microorganism will survive the sterilization process, regardless of the type or duration of the process. For this reason, sterility can also be measured as the probability that a microorganism of a population of microorganisms will survive the sterilization process. This probability corresponds to the fraction of contaminated entities (here: cans) and is known as the Sterility Assurance Level (SAL), expressed as a negative exponent.
  • SAL Sterility Assurance Level
  • a SAL of 10 ⁇ 3 indicates a probability of 1/1000 that a sterilized entity is contaminated by a living microorganism.
  • the SAL value is the same as the PNSU (Probability of Non Sterile Unit) value.
  • PNSU Probability of Non Sterile Unit
  • one in 1000 entities may be contaminated.
  • the food in the can of the invention has a SAL value of 10 "1 or less, for example 10 -2 or less.
  • the value SAL is 10 -3 or less, more preferably the SAL value is 10 ⁇ 4 or less, and still more preferably it is 10 ⁇ 5 or less, according to a preferred embodiment the SAL value is 1.5x10 ⁇ 4 or less, 2x10 ⁇ 4 or less, 3x10 ⁇ 4 or less, or 4xl0 ⁇ 4 or less. in a preferred embodiment the SAL value is 10 -6 or less.
  • the SAL value of 10 "6 is the highest standard in some pharmaceutical fields.
  • a SAL of 10 -1 , preferably 10 -2 or possibly 10-3 or 10-4 or less has been found to be sufficient in the context of the present invention.
  • the container 2 of the can and the food are preferably sterilized independently of one another .
  • the lid 10 of the container is preferably also sterilized.
  • the container 2 is filled and hermetically sealed by the operculum under aseptic conditions. In this way, a can having a sterile food is obtained.
  • shelf life refers to storage at room temperature (25 ° C).
  • the food product in the can of the invention has a shelf life of at least 2 months (i.e., 2 months or longer), preferably at least 3 months. more preferably at least 4 months, still more preferably at least 5 months, for example at least 6 or 7 months.
  • the shelf life of the food product is at least 3 to 6 months.
  • the above-mentioned shelf life applies to a can which contains the beverage and which is hermetically closed by a lid as described in this specification. The shelf life is counted from the date of filling and sealing of the container. The durations concern the conservation before the first opening of the can. Once opened, the shelf life can be substantially shortened, for example one or a few days, at room temperature.
  • the shelf life of the food product in the can according to the invention is at least six (6) months, for example 7, 8, 9, 10, 11 or 12 months or longer.
  • the invention relates, in a preferred embodiment, to a can containing a sterile liquid food
  • the latter is not illustrated in the figures.
  • the liquid food is not sterile, for example a pasteurized liquid food
  • the latter may have a shorter shelf life than described above for sterile liquid foods.
  • a non-sterile beverage may require cool storage (1-5 ° C) even before the first opening of the can.
  • Figure 2 shows the can 1 in the fully open position. In this position, the lid 4 is pivoted backwards thus allowing an observer and consumer to see the piercing device 5 of the can 1 and handle it, respectively.
  • the drilling device 5 comprises a handling member 6 as well as a drilling structure 7.
  • the member 6 and the structure of 7 are structurally connected to each other so as to allow the piercing of the cap 10 ( Figures 6 to 9) by actuation of the manipulation member.
  • the handling member 6 comprises or is formed of a tongue-lever 6 and the drilling structure is in the form of a plate 7.
  • the entire drilling device 5 is integrated in the cap 3.
  • the piercing device 5 is in an opening or closing zone 9 which can be covered and closed by the cover 4.
  • the can 1 is illustrated not only with the cover 4 in the open position, but also with the piercing structure 7 in the "pierced" position, in this case pivoted downwards. In this position, a flow opening 14 is created, the seal 10 being pierced, as can be seen in FIG. 9.
  • the dotted elliptical zone designated with the reference numeral 47 in FIG. 2 indicates an area that is at least partially or potentially in contact with the lips and / or the mouth of a consumer drinking the beverage contained in the can directly from the can. Area 47 is therefore an area of contact with the consumer's mouth.
  • the contact zone 47 is covered by the lid 4 before the first opening of the can 1, and also when the can is closed by the lid 4 after a first opening.
  • the lid 4 is arranged to cover the contact zone 47, the can 1 according to the invention has advantages in hygiene compared to conventional metal cans, for example.
  • the area intended to be pierced when the can is opened is not covered or otherwise protected.
  • the contact area may be affected or exposed to dust or other sources of contaminants. This is not the case in the can according to the embodiment shown in the figures, because the cover 4 covers and protects the area 47 which will be in contact with the mouth of the consumer during the consumption of the can.
  • the lid 4 is preferably adapted to cover an area which extends beyond (or which is larger in area than) the area to be covered for the sole purpose of closing the flow opening 14.
  • the cover 4 covers the closure zone 9, (here delimited by the wall 38, as shown in Figure 4), and an area that surrounds the flow opening 14. In this case the entire horizontal level 35 ( Figure 4) is covered by the cover 4.
  • the cover 4 covers an area of at least 1.0 cm 2 , preferably at least 1.4 cm 2 , more preferably at least 1.7 cm 2 , and still more preferably at least 2.0 cm 2 , for example at least 2.0 cm 2 and at least 2.5 cm 2 of the area surrounding the opening of These surfaces correspond at least to the surface 4b in FIG. 4, provided that it is outside the wall 37.
  • the can of the invention comprises a device 5 adapted to create a flow opening 14 during the first opening of the can 1 by a user, as well as a contact zone 47, intended to be in contact with the lips and / or the mouth of a consumer during the consumption of the drink.
  • the can 1 comprises a lid 4 covering at least a portion of said contact zone 47 before the first opening of the can 1.
  • said contact zone 47 is on an outer surface 31 of the can. 1 at least partially surrounding an area where said flow opening is created at the first opening of the can.
  • the cover 4 covers the entire piercing device 5 in the closed position.
  • the cover 4 covers the whole of the closure zone 9, in which the piercing device 5, including the lever tab 6 and the piercing plate, is arranged.
  • the cover 4 is arranged to close at least the flow opening 14 as well as the contact area 47, and preferably also the portion 7 of the piercing device 5 which is embedded in the inside the can when opening the can.
  • the cover 4 does not cover the lever tab 6.
  • the mouth will optionally also be in contact with a portion of the skirt 30 of the cap 3, for example at the notch 43 and the area surrounding the notch 43.
  • the area on the skirt 30 which could be in contact with the mouth is not covered by the cover 4 (FIG. 1).
  • it is possible to protect this area by an outer sleeve as described below below or by a tamper evident, for example a plastic film that must be torn by the consumer before the first one. opening, said plastic film being disposed on the skirt 30 so as to cover the "contact zone" insofar as it is on the skirt 30.
  • the cover 4 covers at least a portion 47 of the overall potential contact area.
  • the lid 4 covers the outer surface 47 of the can which surrounds the flow opening 14 of the open can, as shown in FIG. 2.
  • the contact zone 47 is preferably located on the upper horizontal wall 31
  • the contact zone 47 preferably covers the entire flow opening 14 as well as the outer surface of the can surrounding the opening 14 when the lid 4 is open.
  • the upper horizontal wall 31 is the upper wall of the lower part (the main part) of the cap 3. This substantially horizontal wall constitutes the main support structure of the cap 3. In the embodiment shown in Figures 1-2 and 4- 9, the upper wall 31 faces the cover 4 when the latter is in the closed position.
  • FIG. 3 shows the container 2 of the can 1.
  • the can 1 comprises at least two different pieces which are separate or separable, said container 2 and said cap 3.
  • the two pieces 2, 3 are manufactured separately and assembled and / or connected after filling the container.
  • the lid 10 (FIGS. 6-9) is also a separate piece, assembled and / or connected to the container 2 following the filling of the container.
  • the container 2 has a lower part or a container part 20 which mainly defines the volume and the capacity 24 of the can.
  • the lower part is also called "body" of the container 2 in the present description.
  • the lower part 20 has a substantially cylindrical shape, formed of a substantially cylindrical side wall 27. As the lower part 20 is visible from the outside, it contributes to the appearance of the can of the entire package 1.
  • the lower part 20 consists of the bottom 25 of the container 2 or the can 1.
  • the bottom 25 is slightly concave and is connected to the cylindrical portion 27 by an edge 29 having a hollow 26.
  • the bottom thus comprises structures 25, 26, 29 complementary to the upper part of the cap 3, arranged to allow and / or stabilize the stack of the cans 1.
  • the peripheral annular hollow 26 has in particular a shape complementary to the rim 40 or a similar upper rim 340, 440, different embodiments of the cap of the can.
  • the edge 29 may be positioned on the upper surface of a lid 4a, 404c, or an upper surface of the cap in general, and the bottom of the container will be laterally stabilized by the flange 40.
  • the bottom of the can generally comprises reinforcing shapes or structures to prevent the deformation of the can. can.
  • a bottom with a star-shaped reinforcement is commonly used for plastic containers with a carbonated beverage.
  • the side wall 27 of the body 20 could have an outside surface other than perfectly cylindrical, for example slightly conical, or having a relief, for example in the case of a particular can design chosen for purposes aesthetic, without departing from the general concept of the invention.
  • the bottom portion 20 of the container is exactly cylindrical, if the structures 26, 29 forming the transition to the bottom 25 of the can are ignored. Such a cylindrical shape contributes to the classic appearance of metal cans.
  • the container 2 has a lower portion 20 not covered by the cap, and in that said lower portion is substantially cylindrical or has at least one cylindrical section.
  • the upper part 21 of the container gives a bottle appearance to the entire container 2.
  • the upper part 21 is characterized by the end of the cylindrical wall 27 upwards.
  • the cylindrical wall 27 is tightened at the level of the upper part 21, so as to form a neck 17, before widening again to form a ring 18.
  • the upper part 21 thus comprises the neck 17 and the ring 18, said ring 18 having an outside diameter greater than that of the neck 17.
  • the neck 17 is formed by a lower flange 28a and the passage between the neck 17 and the ring 18 by an upper flange 28b , taking into account the symmetry of revolution of the entire container 2. It is also possible to consider the neck 17 as a peripheral notch, which allows the capture and transport of the container 2 by robotic gripping means, for example robotic arms.
  • the container 2 may be supported at the lower or upper flange 28a, 28b, respectively, by said robotic means, depending on the orientation of the container 2 during handling.
  • the can 1 of the invention comprises a container 2 having a substantially cylindrical portion 20 and an upper portion 21 constricted relative to the cylindrical portion 20, the upper portion 21 leading to an opening 19.
  • said container has the general appearance of a bottle.
  • the opening 19 of the container 2 is at the top in Figure 3. Its size and shape are defined by the upper edge 44 of the ring 18.
  • the edge 44 is essentially a horizontal ring whose upper surface serves as a support for the sealing a lid 10 on the container 2, as will be described later below.
  • the opening 19 serves for filling with a liquid food as well as for consumption.
  • the opening 19 is substantially circular.
  • the container 2 is symmetrical in rotation.
  • the opening 19 is horizontal.
  • the opening 19 is centered with respect to the longitudinal axis of the rotational symmetry of the container.
  • the can 1 and / or the container 2 is preferably filled by the opening 19.
  • the container has another opening and / or a separate opening allowing in particular the filling.
  • the invention contemplates the possibility of filling from below.
  • An opening may, for example, be at the bottom of the can, for example at the bottom 25.
  • a can according to this alternative embodiment could be filled when the opening 19 was sealed or also in the case where opening 19 is completely absent, for example replaced by another system for drilling.
  • the lid 10 of the can as described below may be formed by a break line in the material of the container 2. The invention covers any possibility of an opening for filling the can at a position other than opening 19.
  • the upper portion 21 of the container 2 has a peripheral groove 22.
  • This groove 22 is intended to allow the connection of the cap 3 to the container 2 by snapping.
  • the groove 22 defines a portion of latching means.
  • the groove 22 is delimited downwards by the cylindrical wall 27 and upwards by a peripheral shoulder 23, having the shape of an annular projection on the upper part 21.
  • the upper portion 21 of the container 2 and the cap 3 preferably comprise complementary shapes arranged to allow a snap connection.
  • the lower part 20 has a diameter d1 which is larger than the maximum diameter on the whole of the upper part 21.
  • the assembly of the upper portion 21 therefore generally has dimensions that are smaller than the outer surface of the cylindrical wall 27, these dimensions being measured on a horizontal axis defining the diameter container 2 at any vertical position.
  • the diameter d2 of the ring 18 (measured at the outer surface of the ring 18) is less than the diameter d1.
  • the maximum diameter of the upper part of the container 2 is at (vertical) level of the annular projection 23.
  • the largest diameter of the upper portion 21 is preferably smaller than the diameter of the lower portion at the upper end of the lower portion 20, defining the transition between the lower portion and the cap 3. In a preferred embodiment, the widest diameter of the upper portion 21 is smaller than the smaller diameter of the lower portion 20, if the reduction of the diameter at the passage 26, 29 at the bottom 25 is ignored. container.
  • the reduced horizontal dimensions and / or the reduced diameter of the upper part 21 make it possible to completely hide or cover said upper part 21 by the cap 3, as is more clearly apparent from FIGS. 1 and 2. These reduced dimensions / diameters make it possible in particular to using a cap 3 whose outer side wall has the same dimension, in particular the same diameter d1, as the cylindrical side wall 27 of the lower part 22 of the container.
  • the container 2 and cap 3 together gives the appearance of cylindrical can 1 visible in Figures 1 and 2, while the upper part of the container 2 has the neck 17 for robotic manipulation.
  • the cap is arranged on the container so as to have a contour in continuous profile and / or is arranged so that the outer surfaces of the lower part 20 of the container and the lower part 30 of the cap are flush with each other, causing the cap 3-container 2 assembly to appear in one piece.
  • this applies even in the case where the container 2 has an outer shape non-cylindrical on its lower portion 20, for example a lower portion 20 having a profile (longitudinal section) curved (not shown).
  • the cap comprises a skirt having a substantially cylindrical lower portion in contact with a substantially cylindrical portion or section of the lower portion of the container, and in that the cylindrical portion of the cap and the cylindrical portion of the container. have the same diameter so as to present together a uniform cylindrical outer appearance.
  • the outer surface of the can 2 at the transition between the container and the cap preferably extends without discontinuity and / or without visible rupture.
  • the cap 3 comprises on its upper face or cover face 31 the cover 4 and the piercing device 5.
  • the piercing device 5 is integrated in the upper wall 31 of the cap 3 and the cover 4 is hinged to the cap 3.
  • the hinge 32 is a "film hinge" or film hinge, formed by a reduced plastic thickness portion which connects the cover 4 to the top wall 31 3.
  • the entire cap 3, including the piercing device 5 and the lid 4 is formed in one piece, preferably by injection molding (plastic injection).
  • the cap 3 comprises the side wall or skirt 30, whose outer surface, visible in Figure 4, is substantially cylindrical.
  • the outer surface of the side wall 30 includes a cylindrical bottom portion and a slightly conical upper portion.
  • the upper wall 31 with a substantially circular contour is connected at its periphery to the conical upper part of the peripheral skirt 30.
  • at least the cylindrical lower part of the outer surface of the side wall 30 has the same external diameter as the wall.
  • cylindrical side 27 of the container 2 so as to form a cylindrical surface and outer homogeneous surface, as can be seen in Figures 1 and 6, for example.
  • the cap 3 is shaped to contribute to the substantially cylindrical can shape of the can 1, by hiding an upper portion 21 of the container 2 which, for example for reasons related to aseptic filling, has an outer surface reminding a bottle and not a can.
  • the outer peripheral wall 30 of the cap 3 could have a substantially cylindrical outer surface, without conical portion, or could also be slightly conical as a whole (without a completely cylindrical portion), without leaving of the general concept of the invention.
  • the piercing device 5 is in a notch or opening 33, present in the upper wall 31 of the cap.
  • the notch 33 comprises two notches, a notch 33a before and a rear notch 33b, the notches 33a and 33b are separated by the support 34 of the drilling device 5.
  • the notches 33a and 33b pass through the upper wall 31 of the cap 3 and thus constitute openings, which could be crossed by the food in the can once the can (and in particular the operculum) open.
  • the food will preferably pass through a flow opening 14 ( Figures 2 and 9) which will take the place of the notch 33a following the opening of the can.
  • the rear indent 33b creates an empty space for the gripping of the tongue-lever 6 of the piercing device 5 with the aid of a fingertip, typically the index finger.
  • the piercing device 5 comprises a piercing plate (or striker) 7 and a tongue-lever 6, linked on the one hand and the other to a pair of pegs 8a and 8b, which constitute a rotation shaft 8.
  • the piercing plate 7 is arranged to pierce a cap 10 (not visible in Figure 4) when handling the lever tab, as will be described in more detail later below.
  • the lower face 4b of the cover 4 is illustrated, on which the edge or the sealing wall 37 is located.
  • the edge 37 is a projection closed on itself and surrounding a surface corresponding to or slightly smaller than the surface surrounded by the wall 38, to allow the interlocking of the edge 37 in the wall 38.
  • the projection 37 is substantially circular or elliptical.
  • the contour of the projection 37 corresponds to the shape of the opening and / or closing zone 9 on the upper wall 31 of the cap 3.
  • the edge 37 is in contact with the wall 38 which delimits the closure zone 9, so as to plug the openings 33a and 33b.
  • the closing zone 9 has the same shape as the edge contour 37.
  • a seal is formed by the close and custom-made contact between the contour of the edge 37 and the wall 38 which delimits the zone.
  • the wall 38 is in the form of a depression relative to the horizontal level 35 of the upper wall 31 of the cap 3.
  • the support 34 of the piercing device 5 is lowered relative to the surface of the level 35 of the upper wall 31. In this way, the support 34 does not prevent the closure of the cover 4 by the insertion of the edge 37 into the closure zone 9.
  • the surface of the assembly of the lower face 4b of the lid 4 represents the surface covered by the closed lid 4.
  • the lid 4 has and / or covers an area of at least 2.0 cm 2 or more, preferably 2.5 cm 2 or more, more preferably 3.0 cm 2 or more, and still more preferably 3.5 cm 2 or more .
  • This surface of the cover comprises the above-defined surface of the zone 47, and more generally the surface which goes beyond the flow opening 14 and which surrounds the latter.
  • the relatively large surface of the lower face 4b of the lid 4 is a hygiene advantage as described in another part of the present specification.
  • the cap comprises a cover or cover covering said piercing device and / or covering at least one surface intended to constitute a flow opening once the can opened.
  • a slot 42 is provided between the piercing plate 7 and the closure wall 38 at the opening 33a.
  • the lever tab 6 and the closure wall 38 are separated from each other by an even wider slot at the opening 33b.
  • the elements of the piercing device 5 are confined in the opening zone 9 so as to allow the lowering of the cover 4 and the resulting sealing contact between the complementary geometries of the closing wall 38 and the contour of the edge 37 of the cover 4.
  • the can 1 comprises a container 2 with an opening 19, a cap 3 and a cap 10 disposed on the opening 19, said cap comprising a piercing device 5 arranged in a closure zone 9 of cover, delimited by a first delimiting wall 38, in that said cap comprises a pivotable cover 4 having a second delimiting wall 37, said first and second delimiting walls having complementary shapes, said pivotable cover being arranged so as to be able to closing said closing zone by embedding said complementary shapes.
  • the cover 4 has a non-circular contour, comprising curved shapes to improve the aesthetic appearance of the entire cap 3.
  • the wall upper 31 has a raised horizontal level 36, divided into two separate levels 36a and 36b, delimited by the side walls 39a and 39b which agree with the side portions 41a and 41b of the contoured contour of the cover 4.
  • the upper face 4a of the cover 4 is on the same horizontal level as the elevated level 36 of the upper wall 31.
  • the whole of the upper face of the cap 3, in closed lid position 4, is therefore generally flat and horizontal, but has a flange 40 substantially continuous to its contour.
  • the flange 40 preferably has the shape of a circle or a portion (arc) of a circle, preferably enclosing an angle of at least 180 °, preferably at least 270 °.
  • the flange 40 is formed by the side flange portions 40a and 40b, disposed on the upper wall 31, and the front flange portion 40c, disposed on the contour at the front of the lid 3, on its upper face, better visible Figures 1 and 5.
  • the flange 40 is substantially circular, having the shape of an arc including a re-entrant angle.
  • the circle formed by the rim 40 is interrupted only at the rear part of the cap 3, where the cover 4 is connected by the hinge 32, as can be seen in FIG. 5.
  • a person skilled in the art will understand that the rim 40 could be completely circular or could also be absent without departing from the concept of the invention.
  • the cover 4 has a disc shape, having in particular a substantially circular contour.
  • the raised horizontal levels 36a and 36b are absent and the upper face of the lid 4 covers the entire cap 3, and / or forms the upper face of the entire cap 3 in the closed position.
  • the protruding flange 40 contributes to the stability of the stacked cans. More particularly, the rim 40 makes it possible to install a can of the same type whose bottom comprises complementary structures, for example a peripheral annular hollow 26 and an edge 29 as described with respect to FIG. 2. The rim 40 thus stabilizes a stacked can. and / or placed on the cap 3 of a can below, surrounding the complementary shape of the can above.
  • the projecting flange 40 circular or quasi-circular contributes to the can aspect of the can 1 of the invention, the metal cans generally having a rim formed by a fold of metal layers.
  • a notch 43 is at the top at the front in the skirt 30 of the cap 3.
  • the notch 43 facilitates the opening of the lid by allowing the consumer to press on the lid 54 from below, with the help of 'a finger.
  • the lid 4 is arranged or arranged so that it can be opened with one hand.
  • the easy opening of the cover 4 described above does not prevent the presence of tamper that must be opened or destroyed during the first opening of the can.
  • tamper evidence may constitute an additional closure, serving to confirm to the consumer that the can has not yet been opened. It is possible that such inviolability can not be opened with one hand.
  • An inviolability for example in the form or tear-off plastic film (tape or tamper-proof tamper), can also be used to cover the outer surfaces of the can 1 which will be in contact with the consumer's mouth during consumption. Inviolability thus increases the hygiene of the can and reduces the risk of consumer contamination during consumption. This applies in particular insofar as these outer surfaces are not yet covered by the cover 4, as described with respect to the contact zone 47.
  • the plug 3 is illustrated with the lid 4 in the closed position.
  • the establishment by complementary forms of the wall or sealing lip 37 and the wall 38 of the zone 9, is visible.
  • the wall 38 extends in the form of a stick or tabular ring downwards, connecting to the lower surface of the upper wall 31.
  • the slot 42 in which is placed the part in front of the the sealing wall 37 of the cover 4.
  • the cover 4 In the closed position of the cover 4, the latter rests both on the upper face of the piercing device 5.
  • the cover 4 is arranged horizontally, above the piercing device 5, the latter also having a horizontal disposition.
  • the cover 4 rests on the plate 7 and the lever tab 6.
  • the cover 4 also rests on the upper wall 31 of the cap.
  • the cover 4 rests on the upper face 35 of the upper wall 31, said upper face forming a horizontal level of support for the cover 4.
  • the upper surfaces of the lever tab 6 and the piercing plate 5 are substantially or entirely horizontal and face the lower surface 4b of the cover 4 when the cover 4 is in the closed position.
  • annular projection 45 disposed on the inner face 30 of the side wall 30 is visible.
  • This annular projection 45 is adapted to be pushed into the groove 22 of the upper part 21 of the container 2 (FIG. 3), as can be seen in FIGS. 8 and 9, when the cap 3 is placed on the container 2. in place of the projection 45 in the groove 22 constitutes an attachment of the cap 3 to the container by snapping, also allowing at least partial sealing between the cap 3 and the container 2.
  • the cap may be attached to the container by latching means, a bayonet connection, a screw connection having internal and external complementary threads, on the cap and the container, respectively, for example. Connections preventing movement in an axial direction relative to the container are preferred, such as the bayonet connection and the snap connection.
  • the cap is also attached by gluing or welding to the container as will be described later below.
  • the protuberance 46 is visible, formed on an outer radial portion of the piercing plate 7. This protrusion 46 ends in a downward pointing tip. The piercing protuberance 46 is disposed at the location where the flow opening will be, once the can completely open.
  • FIG 6 shows the entire can 1 according to the invention, completely closed, before the first use. Only the food contained in the can was omitted.
  • the lid 10 is visible.
  • the lid represents a closure of the can 1, and in particular the container 2.
  • the lid is placed on the opening 19 ( Figure 3) and fixed on the weld edge 44 of the container 10. The lid is pierced when first opening of the can.
  • the dotted arrow 56 indicates the general axis of the can 1. This axis is vertical when the can is placed on a horizontal surface and corresponds to the longitudinal direction from the bottom to the top of the can, in the direction of the arrow.
  • the can 1 comprises a container 2 with an opening 19, a cap 3 fixed on the container 2 and a lid 10 disposed on the opening 19 so as to seal said opening 19
  • the cap 10 comprises a thin metal and a weld lacquer.
  • the lid is disposed by welding on the container 2 so as to close the container 2 and thus the can 1 hermetically.
  • the lid may be made of packaging-specific materials, for example sterile packaging. Lids of this type are commercially available.
  • the cap is made of materials that allow the piercing of the cap, for example by the plastic piercing device as described in the context of the present invention.
  • the cap allows both the hermetic closure of the opening 19 as well as the piercing with the aid of a pointed plastic piece supported by a pressure that can be appropriately generated by a user handling the piercing device. 5.
  • the lid is generally in the form of a film, preferably a multilayer film, including for example a layer or sheet of metal, for example aluminum or iron sheet, and one or more layers of plastic .
  • One or more layers of lacquer welding are generally arranged on the lid on defined areas of one or both surfaces of the lid.
  • the seal is generally a composite material, for example a laminated composite having different materials in the form of sheets or films.
  • the lid 10 is generally substantially circular.
  • the seal may also be manufactured or include one or more plastic films and / or one or more welding lacquers.
  • the cover is a film comprising superposed layers, for example layers of different materials, for example a metal film and a plastic film.
  • the layers of solder lacquer may be arranged on the back (bottom, corresponding to the underside of the lid in its position on the assembled can and filled) and / or on the front (top, upper surface) of the lid , preferably on annular surfaces on the lid, so as to allow the sealing of the lid on the container 2 and / or the cap 3 on the lid, respectively.
  • the cap comprises welding lacquers on its two opposite surfaces.
  • the lacquers define or constitute weld positions on the cover.
  • the lacquer layers are preferably disposed on annular surfaces on the lid.
  • a first lacquer ring is disposed on the back of the cap and a second lacquer ring is disposed on the front of the cap, the latter being intended to be in contact with the cap 3 of the assembled can and filled.
  • the first and second rings are not, or not entirely, superimposed on either side of the lid, so that the welding using the lacquer of the first ring can be performed separately and at a different place than the welding using the lacquer of the second ring.
  • the lacquer ring on the back of the operculum is at least partially inside the ring on the front.
  • the longitudinal section of the can illustrated in Figure 6 passes through the single axis of symmetry of the cap 3, cutting the drilling device 5 longitudinally.
  • the piercing plate 7 with its piercing member 46, the shaft 8 and the tongue-lever 6 are therefore visible.
  • the lid 4 is in the closed position, resting on the piercing device 5.
  • the container 2 is not filled by the opening 19, but, for example, by another opening, the seal to be pierced (or pierceable) by the device of piercing 5 can be formed differently than described above.
  • the invention also covers a lid formed, for example, by lines or points of rupture present in an upper wall of the container 2, for example in the case where the opening 19 is absent and the container is closed at the position of the opening 19 by said wall.
  • the container may comprise a filling opening in the part of the container which is shown below in the figures and / or which is at the bottom of the container.
  • FIG. 7 illustrates an enlargement of the detail contained in the rectangle A of FIG. 6. This enlargement makes it possible to better see the film hinge 49 which links the piercing plate 7 to the shaft 8 of the piercing device 5.
  • the shaft 8 is formed by two pins 8a and 8b, which connect the piercing device 5 on the one hand and the other to the upper wall 31, in particular to the support 34 of the piercing device .
  • the plugs 8a and 8b connect the lever tab 6 at its front end (in Figure 4) to the support 34 of the drilling device 5.
  • the pins 8a and 8b are located near the connection between the tongue-lever 6 and the plate 7, at one end of the tongue 6 which is opposite the end to be grasped by the user. As the pins 8a and 8b are thin branches, they allow the pivoting of the tongue-lever 6 by their elasticity and / or flexibility.
  • the tongue-lever 6 is arranged so that it can be lifted and / or pivoted upwards in order to cause the opening of the can, preferably by a descent and / or a pivot towards the bottom of striker 7.
  • the drilling plate 7 can pivot at least partially around the shaft 8.
  • the lever-tongue 6 of the drilling device 5 is rigidly connected to the 8, one can even say that the shaft 8 (the pins 8a and 8b) is part of the tongue-lever 6.
  • the latter can not rotate relative to the shaft 8, but can rotate around a horizontal axis which corresponds to the axis of the shaft 8 and / or pins 8a and 8b, when the tongue-lever is lifted by a user.
  • the tongue-lever 6 has a lever edge 48 (see also Figure 4).
  • the lever edge 48 is preferably in the form of a straight edge, having a flat, flat, strip-shaped surface.
  • the lever edge 48 is parallel to the axis of the shaft 8.
  • the lever edge 48 is raised above the shaft 8 and faces the piercing plate 7.
  • the piercing plate comprises a bearing surface 50, oriented parallel to the lever edge 48 and in front of the latter.
  • the bearing surface is preferably also flat and strip-shaped.
  • the lever tongue 6 is arranged so that it can be grasped and lifted by a user, the lifting of the tongue 6 causing the striker 7 to be lowered and thus the tear of the lid 10.
  • the tongue-lever 6 is pivoted by the user until it is in a vertical position (not shown) or close to a vertical position.
  • the piercing plate is thus also forced into a vertical position, as illustrated in FIG. 9, and the cap 10 is depressed so that the flow opening 14 is created by the displacement of the piercing plate 7 and the rupture 10.
  • FIG. 9 shows the tongue-lever 6 in the horizontal position, folded again after the piercing of the lid 10.
  • the piercing plate 7, once in vertical position ( Figure 9) is held in this position by stop structures (not shown).
  • the tongue-lever 6 can be rotated in the opposite direction (clockwise) until it is again in a horizontal position, illustrated in FIG. 8.
  • the lever tongue 6 and the plate 7 are integral in rotation (left), while once the cap pierced, the tongue-lever 6 is pivoted in the opposite direction, without driving the plate 7.
  • the hinge 49 allows at this time a relative rotation between the tongue 6 and the plate 7.
  • the arrow 51 in FIG. 7 indicates the position of a weld between the lid 10 and the container 2. It should be noted that the lid 10 closes the container hermetically and in a completely sealed manner, in order to guarantee the sterility of the contents
  • the solder 51 may be made by thermal welding, laser welding, induction welding or circular friction welding, for example.
  • An example of a circular friction weld is shown in US Patent 4,840,289.
  • the lid On its reverse side the lid comprises, before it is positioned on the container, after filling the container, a ring of solder lacquer (not shown).
  • the solder lacquer on the lid When the lid is placed on the container 2, the solder lacquer on the lid is positioned to be in contact with the welding edge 44 ( Figure 3).
  • the welding edge is on the upper end of the outer surface of the ring 18, at the position indicated by the arrow 51.
  • the welding is done in order to seal the container 2 of the can.
  • the seal is preferably fixed by thermal welding. For example, a hot iron ring is slightly pressed on the outer face of the lid in order to fuse the solder lacquer on the lid with the plastic material of the container 2.
  • weld 51 is circular and extends over the entire periphery of the weld edge 44, in particular on a ring on the substantially horizontal outer surface of the ring 18, whose position in longitudinal section is indicated by the arrow 51.
  • the can 1 of the invention comprises a weld for attaching the cap 3 to the container 2.
  • This weld is preferably a second weld 52.
  • the weld 52 of the cap 3 is located between an inner surface of the skirt 30 of the cap 3 and an outer surface of the cap placed on the ring 18.
  • the welding of the cap 3 is not on the cover, but directly between the plastic of the cap and that of the container 2, for example at or near the snap connection 53 ( Figures 6 and 9).
  • the cap 10 does not extend to the position 52 and the cap 3 is in direct contact with the container 2 at the position 52, for example in direct contact with the outer surface of the ring 18.
  • the second weld 52 can be performed by laser, induction or circular friction, for example. Welding by the application of heat is less advantageous. The access of a heat source to the position of the weld is not easily conceivable, the weld being a weld occurring inside the can, after the cap 3 has been placed on the container 2.
  • the weld 52 is on an inner portion of the cap 3.
  • a circular friction weld, disclosed in US 4,840,289, would be a possibility to perform the weld 52.
  • the welding between the cap 3 and the cap 52, or between the cap and the container 2 is an induction weld.
  • the seal 52 of the cap need not necessarily be as hermetic and sealed as the first weld 51.
  • the weld 52 of the cap serves firstly to attach the cap fixedly or rigidly to the container. In a preferred embodiment, the weld blocks the cap 3 in rotation relative to the container 2.
  • the snap connection 53 is not a rigid connection and a user could easily detach or turn the cap 3 of the container 2.
  • the weld 52 of the cap 3 increases the connection between the container and the cap 3 and prevents rotation between the cap and the container.
  • the weld 52 contributes to the seal between the cap 3 and the container 2.
  • the drink contained in the can 1 can pass through the hole 14 created in the lid and can be between the cap and the container. This also applies when the lid 4 is closed.
  • a void space 54 is provided between the outer surface of the cap 10 and the inner surface of the cap 3, thus below the piercing device 5 and the upper wall 31 ( Figures 2 and 4).
  • the can 1 comprises a cap 3 comprising a piercing device 5 comprising an actuator lever 6 that can be activated by a consumer to pierce said lid 10 in order to create a flow opening 14, said cap 3 comprising a pivoting cover 4, arranged so as to be able to close on said flow opening 14 and thus close the can 1.
  • the food contained in the can 1 can flow into the space 54, for example when the can 1 is lying down or when it tilts.
  • the can 1 according to the invention provides, in one embodiment, that the cap 3 is connected to the container 2 in a substantially sealed manner.
  • the seal between the cap 3 and the container 2 may, however, be less than the seal between the cap 10 and the container.
  • the sealing of the cap 3 must not guarantee the sterility of the contents of the can, as is the case with the seal created by the sealing of the lid 51.
  • the annular space 55 (FIG. 9) is formed between the container 2 and the cap 2 at the narrowing of the upper part 21 of the container, in particular at the neck 17. If the contact between the cap 3 and the ring 18 is not completely sealed, for example at position 52 ( Figure 7), the liquid food can flow into the space 55. From this space, the liquid may flow through the click connection 53 and could exit at the passage 15 between the container and the cap 3 and thus flow on the outer surface of the container 2, in particular on the outer wall 27 of the cylindrical body 20. To prevent such flow of the liquid feed, the click connection 53 contributes to the seal between the cap 3 and the container 2.
  • the can 1 has a sleeve (not shown) on the outer surface.
  • the sleeve usually contains graphics, decor as well as any other communication to the consumer.
  • the sleeve may include information concerning the food contained in the can 1.
  • the invention also covers all the other embodiments of decorations and information for packaging, such as for example a decor applied by IML ("in mold labeling"), the use of a label, for example glued on the can, direct printing on the can 1 and / or a carton surrounding the can, for example.
  • the can 1 comprises an outer sleeve (not shown).
  • the sleeve which covers the circular line 15 which indicates the passage between the cap 3 and the container 2 on the outside ( Figure 1).
  • the can 1 has a sleeve that hides or conceals the fact that the can comprises two separate parts visible (at least partially) from the outside, the container 2 and the cap 3.
  • the plastic film sleeve effectively hides the separation 15 between the cap 3 and the container as visible from the outside.
  • the sleeve thus contributes to increasing the effect of the optical appearance of the can of the can 1, the metal cans being typically as a homogeneous and / or continuous part, at least as regards their outer lateral surface.
  • the sleeve covers (at least partially) the outer surface of the cylindrical wall 27 of the container 2 and, at least partially, the outer surface of the skirt 30 of the cap 3, while covering the outer line 15
  • the sleeve may contribute to the seal between cap 3 and container 2 by covering line 15, thereby preventing or reducing the risk of flow of the food through connection 15 following drilling. of the operculum 10.
  • the sleeve is not used for attachment of the cap to the container.
  • the purpose of the sleeve is not to prevent movement of the cap in a longitudinal (axial) direction of the can.
  • the sleeve may be made of a shrinkable plastic film or a plastic stretch film. In the case of the shrink film, the film is placed and then shrunk, for example by heat treatment, around the substantially cylindrical outer surface of the can 1.
  • the plastic sleeve also contributes to the seal between the cap 3 and the container 2
  • the stretchable sleeve is stretched and put on the can. On the can the stretched plastic tightens to form the sleeve.
  • the can 1 of the invention therefore contains one or more elements or structures that can contribute to the seal between the cap 3 and the container 2, in order to prevent a flow of liquid through the passage between the cap and the container (line 15 in Figure 1).
  • the lid 4 can close the can 1 once it has been opened.
  • the cover 4 also allows a reclosing essentially or at least partially sealed.
  • the seal between the lid 10 and the container 2, created by the weld 51 is preferably absolute or complete, while the seal produced by the cover 4 is partial or relative. If a can is taken with the lid 10 pierced and the lid 4 closed, the can being lying down, placed on the cylindrical outer surface 27, the lid preferably allows a seal for a certain time, for example between 10 minutes and 48 hours, preferably 1 to 24 hours. On the other hand, it is not necessary or foreseen for the lid 4 to allow hermetic closure of the can 1 as described in relation to the lid 10.
  • the seals between the lid 4 and the cap 3 and between the cap 3 and the lid container 2 are preferably less than the seal between the lid 10 and the container, the latter preferably to maintain the contents of the can 1 sterile, according to the terms of a preferred aspect of the invention.
  • FIG. 8 shows the upper part of the can 1 with the cover 4 in the open position, pivoted rearwardly around the film hinge 32.
  • the piercing device 5 is in its rest or base position, before the first use.
  • the lid 10 is intact and hermetically closes the container volume 2 of the can.
  • the entire drilling device 5, in particular the firing pin 7 and the tongue-lever 6, have substantially horizontal upper surfaces.
  • the cover 4 When the cover 4 is closed, as shown in FIG. 5, it is also in the horizontal position, arranged in parallel with the upper surface of the piercing device.
  • the upper surfaces of the tongue-lever 6 and striker 7 are essentially in the same horizontal plane, this plane being parallel to the plane of the lid 4 in the closed position.
  • the entire drilling device 5, at least the visible part of the outside, has a flattened configuration, horizontal, as is the case in metal cans. In the closed position, the lid 4 can be placed on the upper surfaces of the piercing device.
  • the tongue-lever 6, in particular its upper surface, is flat and / or flat as a whole. This surface is preferably oriented substantially horizontally, preferably in substantially the same plane as a substantially horizontal upper wall of the cap 3.
  • the striker 7 is also plane and / or flat, if we ignore the drilling structure 46 intended for piercing the cap 10, the latter being disposed on the lower surface of the firing pin and having a substantially vertical orientation.
  • the firing pin 7 and the tongue-lever 6 respectively have the overall flattened shape of a disk and a tongue, respectively.
  • the piercing device 5 thus resembles the opening mechanism of a conventional metal can. For this reason, the user will instinctively understand the opening mechanism, despite the fact that the plastic cans with such an opening system did not exist before.
  • the tongue-lever 6 is arranged so as to be raised with the tip of a finger to cause the lowering of the firing pin and thus the opening of the can.
  • the flattened arrangement and / or the arrangement in a horizontal plane of the drilling device thus minimizing its horizontal extension, saves space and makes it easier to stack the cans.
  • One or more of the parts that may be part of the can 1 of the invention, chosen in particular from the container 2, the cap 3, the cap 10 and / or the sleeve (if present) may comprise or be manufactured in "barrier packaging material", for example composite materials having one or more layers of different materials.
  • the material is selected to form a barrier against, for example, one, more or all of light, air (or gas or oxygen in particular), and moisture.
  • the container 2, the cap 3 and / or the sleeve are preferably plastic, but may include layers, plastic or otherwise, to increase the barrier qualities of the package.
  • a barrier material is preferably a composite material which comprises several different materials in order to combine the combined qualities of each of these materials, including mechanical qualities, for example.
  • the present invention also relates to processes related to the manufacture and / or obtaining of the can according to the invention, the filling and / or assembly of the can, for example.
  • a method of the invention preferably comprises a step in which one is provided with a container 2 having a lower part 20 and / or a part including a volume intended to be filled by a food.
  • said container comprises a neck 17 and a ring 18, allowing the capture of the container 2, for example by robotic arms and / or in the context of an automated filling.
  • the container 2 is preferably made of plastic.
  • the container is manufactured in multilayer as described further above.
  • the method of the invention aims to obtain a can containing a sterile liquid food.
  • the process comprises several sterilization steps, to guarantee sterility.
  • the method is not intended to obtain a sterile liquid food.
  • the sterilization step of the liquid feed may be omitted, for example replaced by a pasteurization step.
  • the container 2 and the lid 10 are sterilized, for example as described in the present description, even if the liquid food is not sterilized, but pasteurized, for example.
  • the method of the invention preferably comprises a step of sterilizing the interior volume of the container 2 and / or the interior surfaces of the container.
  • the empty container is sterilized in this step.
  • the sterilization of the container 2 can be carried out by any possible means, for example by heat treatment, by chemical treatment, by ionization (for example by exposure to gamma rays or by an accelerated electron beam), or by a combination comprising two or more of these treatments.
  • the sterilization of the container is carried out by chemical treatment, preferably by exposure to a disinfectant gas, such as, for example, ethylene oxide or a peroxide.
  • sterilization will preferably take place in a sealed apparatus which provides a desired atmosphere according to the sterilization method employed.
  • the sterilization of the lid 10 can be performed by the same types of sterilization as the container 2. It should be noted that it is preferably the interior of the container that is sterilized. In the case of sterilization by exposure to a disinfecting gas, the latter is injected into the interior of the container. Preferably, the interior of the container is arranged to allow efficient and rapid sterilization with a disinfecting gas. This preferably involves the absence of recessed cavities or nooks in the interior of the container in which a gas will have difficulty entering during the sterilization step of the container.
  • the method of the invention preferably comprises a sterilization step of the liquid food for filling the container.
  • the food is a beverage, for example a milk drink.
  • the food is sterilized by heat treatment, for example by UHT treatment (Ultra-high temperature, high temperature uptake or ultra-high temperature treatment).
  • UHT treatment is in itself commonly used as a food technique for the sterilization of milk and dairy products in general.
  • the UHT treatment preferably involves exposure to a temperature above 100 ° C, for example 130 to 160 ° C for 1 to 15 seconds, preferably at least 135 ° C for a suitable duration of more than 2 seconds, for example 140 to 150 ° C for 2 to 5 seconds.
  • pasteurization is not considered a method of sterilizing a food according to the present invention.
  • the method of the invention preferably comprises a step of filling the (empty) container 2 with the food. If the process is to obtain a sterile liquid food, the food is sterilized before filling. Preferably, the filling takes place in aseptic packaging. In one embodiment, a sealed filling apparatus is used.
  • the interior of the apparatus is preferably provided with sterile air.
  • the method of the invention preferably comprises a step of closing or sealing the container 2 filled with the food.
  • the sealing preferably comprises a step of closing or sealing the container 2 filled with the food.
  • the lid 15 and / or the closing of the container 2 comprises the establishment of a lid 10.
  • the lid is arranged so that the opening 19 of the container is completely covered and the lid is welded to the container, preferably on a ring 18 which defines the opening 19 of the container 2.
  • the lid preferably comprises a plastic part or a lacquer capable of being welded to the plastic material of the container, in particular of the ring
  • the lid is also sterilized, for example by chemical treatment, before sealing the container.
  • the method of the invention comprises two or three sterilization steps: (1) sterilization of the container, preferably by chemical treatment; (2) sterilizing the operculum, preferably by chemical treatment, and, optionally, (3) pasteurizing or sterilizing the liquid food, preferably by heat treatment.
  • the three sterilization steps and the filling and sealing of the lid on the container are performed in a suitable apparatus.
  • the steps (I) - (3), as well as the sealing of the lid are performed in the same apparatus.
  • this apparatus is suitable for aseptic packaging.
  • the method according to the invention comprises the step of providing a plastic container 2 filled with a liquid food and having an opening 19 hermetically closed by a lid 10. According to one embodiment, this step includes, it, the steps or sub-steps:
  • the method of the invention comprises aseptic packaging.
  • the method of the invention starting from the sterilization of the empty container and its sealing after filling, takes place inside a suitable apparatus which makes it possible to guarantee the sterility of the container after sterilization and at least until the seal is welded.
  • the sterilization and / or filling apparatus is preferably adapted to aseptic packaging.
  • the method according to the invention comprises the step of providing a plastic container 2 filled with a liquid food and having an opening 19 hermetically closed by a cap 10.
  • this step comprises, itself, the steps or sub-steps:
  • the interior of the container 2 is sterilized before filling, as described in the context of the sterile liquid food according to the invention.
  • the lid 10 is also sterilized before filling, as described in the context of the sterile liquid food according to the invention.
  • the method for obtaining a liquid food which is not necessarily sterile preferably comprises the step of pasteurizing the liquid food before filling it in the container 2.
  • the filling step can be carried out through the opening 19 of the container 2 as shown in FIG. 3, but alternatively by any other opening which can be provided for this purpose.
  • the container 2 may include an opening at the bottom of the container, allowing filling from below.
  • Such an alternative opening may be sealed, for example, by the application of a closure which is not intended to be opened by the consumer for the consumption of the food.
  • the method of the invention preferably comprises a step of the introduction of the cap 3 to form the can 1 of the invention, comprising a sterile or non-sterile food, for example pasteurized.
  • the container 2 comprises a cylindrical body 20 and the cap 3 has a cylindrical side wall 30 having the same diameter as said body 2, and in that the cap 3-container assembly 2 has an appearance preferably cylindrical can.
  • the cap 3 is connected by connecting means to interaction of complementary mechanical or structural parts, for example latching means or a bayonet connection, on the upper part of the container 2. A connection of the cap 3 by screwing on the upper part of the container is also possible.
  • the cap is connected to the container by a snap connection, blocking movement of the cap in a direction along the axis of the can.
  • the cap 3 is also fixed by welding and / or gluing to the sealed container 2.
  • a welding material for example a lacquer of welding, is disposed on the upper portion 21 of the container or on the front face of the seal 10 of the sealed container.
  • the cap 3 is placed on the sealed container, and the welding is done. Since the welding location is generally inside the cap 3 (arrow 52 in FIG. 7), the welding method is preferably chosen from laser welding, induction welding and circular friction welding, for example. example.
  • said step of attaching the cap comprises the substeps of placing the cap snap on the container and welding the cap placed on the container to lock it in rotation.
  • the present invention also provides a solution to avoid the risk of piercing the cap 10 when the cap 3 is placed on the container filled and sealed.
  • it is proposed to connect a cap by screwing on a container.
  • the screwing can be considered disadvantageous because the cap is closer and closer to the cap as the cap is screwed onto the container.
  • Special measures should be taken to prevent the firing pin or other part of the cap from piercing the lid at this stage of the assembly of the can.
  • the cap 10 contains a welding lacquer on its front face (the top face of the cap in Figures 6-9, which faces the cap 3).
  • this lacquer is disposed on a portion of the surface of the lid, preferably on an annular surface on the front of the lid. The position of the welding lacquer is indicated by the arrow 52 in FIG.
  • the method of the invention comprises a step of placing a sleeve around the can 1 comprising the food.
  • the sleeve is located to hide the presence of a separate cap 3, for example by covering the passage 15 between the container 2 and the cap 3 on the outer surface of the can ( Figure 1).
  • a user or consumer who wishes to consume the food in the can 1, as illustrated in Figure 1, first opens the cover 4.
  • An inviolability, insofar as it is present, must generally be removed, for example by tearing, before the lid 4 can be opened.
  • the cover 4 is pivoted backwards, as illustrated in FIGS. 4 and 8. Then, the user raises the actuation lever 6.
  • a slot 33b is provided allowing the user to pass the tip of a finger behind one end of the lever 6.
  • the piercing plate or striker 7 and in particular the body of drilling 46 is pushed through the cap 10, so as to tear the latter, as shown in Figures 2 and 9.
  • the lever 6 has been folded back to its initial horizontal position, but the opening flow 14 has already been created. The user can then consume the liquid food contained in the can 1. Once the lid 10 has been pierced, the can 1 has been opened for the first time.
  • the can can be closed and reopened by the lid 4, but the lid 10 remains pierced and can not be closed again, according to the embodiment shown.
  • the lid preferably constitutes a single-use opening.
  • the "first opening" of the can is therefore preferably distinguished from the following (re) openings by the fact that the flow opening 14 by piercing the lid 10 is created only during the first opening. Preferably, only the reclosing by the lid 4 after the first opening closes the flow opening 14.
  • the flow opening 14 ( Figures 2 and 9) is formed by lowering the striker 7 in the vertical position and the depression of the lid 10.
  • striker 7 occupies largely the notch before 33a in the upper wall 31 of the cap ( Figures 4 and 5).
  • the slot 42 of the indentation 33a constitutes an opening in the upper wall 31 with the piercing plate in a horizontal position (FIG. 8). If the user does not wish to consume all of the liquid feed at one time, he can close the can by closing the lid 4. In the case of the pivoting lid 4, it is sufficient to pivot the cover 4 forwards so that the lid closes the closure zone 9 in order to close the can tightly.
  • the lid 4 provides at least a partial and / or temporary seal to the closed can, so as to prevent the involuntary flow, for example in case the closed can is accidentally knocked over.
  • the cap 3 is attached to the container 2 sealingly enough to prevent flow through the passage 15 ( Figure 1) between the cap and the container.
  • the cap 3 comprises a drilling device 5 capable of piercing the cap 10, the cap 3 being adapted to have a flow opening 14 following the opening of the can 1 allowing the consumption of the cap. liquid feed, the cap also having a lid 4 capable of closing said flow opening 14.
  • the present invention provides sterile liquid food in a can essentially made of plastic.
  • the lid 10 which may comprise a metal film, all the components of the can can be made of plastic only.
  • the invention is particularly advantageous in that it allows the use of existing filling facilities for filling the can according to the invention.
  • the aseptic filling lines of plastic bottles can be used or adapted to fill a can having a conventional can appearance, characterized by the shape of a can and an opening mechanism based on a lever tongue 6.
  • the invention provides a resealable can, thanks to the presence of the cap 3 having a pivoting cover 4.
  • the concept of the present invention resides at least partially in the idea of transforming a bottle into a can by using a cap 3 as described in this description, for example instead of a screw cap as typically used for bottles.
  • the cap 3, with its piercing device 5, can open the can 1 according to the invention as a conventional can.
  • the adaptations of the outer shapes at the level of the bottle (the container 2) and the cap 3 make it possible to imitate the shape of a can.
  • the cover 4 and the cover are two separate closures of the can.
  • the lid 4 may be considered to be a first closure and the lid 10 a second closure.
  • the can 1 of the invention comprises a first closure 4 and a second closure 10 the first closure being reclosable 4 and the second closure 10 being intended to be opened once.
  • the cap 10 is a closure at single use: once the operculum is pierced, it can not be closed again.
  • the cap 10 is arranged to be irreversibly open when opening the can.
  • the lid 10 is not reclosable, unlike the lid 4. From the piercing of the lid, the sterility of the contents of the can 1 is no longer guaranteed, and rapid consumption and the Keeping beverages cool (0.5 to 5 ° C) are recommended.
  • FIGS. 11 to 20 differ from the embodiment shown in FIGS. 1-10 mainly in the embodiment of the can cap. It will be noted that several of the following figures show variations in the cover as well as in the drilling mechanism. On the other hand, the container 2, the cap 10 as well as the methods described in this description also apply to the embodiments illustrated in FIGS. 11-20.
  • FIG. 10 shows a cap 103 which is distinguished from the cap 3 shown in FIGS. 1 and 3-9 by the presence of a protuberance or lip 138 closed on itself and surrounding the closure zone 9 in which the device is placed. drilling 5 as described above.
  • the protrusion 138 contains an inner wall 138a having a shape adapted to receive the protuberance 37 of the underside of the cover 4.
  • the inner wall 138a thus fulfills the same function as the wall 38 of the embodiment shown in FIGS. 4 and 5, by example.
  • the protrusion 37 fits inside the protrusion 138 and comes into contact with the surface 138a, creating a certain seal and therefore a closure between the lid 4 and the closure zone 9.
  • the wall 138a is the result of the presence of the protrusion 138.
  • the protrusion 138 rises above the horizontal level 35 covered by the cover and thus has an outer surface 138b along the outer contour of the protrusion 138.
  • the protuberance 138 is part of the contact zone (zone 47 in Figure 2) intended to be in contact with the lips and / or the mouth of a consumer when drinking the drink.
  • the protuberance 138 makes it possible to improve the seal between the cover 4 and the opening zone 9 and to make the piercing device thicker in vertical extension.
  • the walls 137 and 138 make it possible to reinforce the reclosing cover and to improve the re-closing click.
  • Figures 11, 12 and 13 show a cap 203 whose cover 204 is not reclosable and / or whose cover 204 is secured by a tamper 240c.
  • the cap 203 of the can of the invention comprises a lid 204, held in closed position by a detachable structure 240c of the cap.
  • the detachable structure is intended to be detached during the first opening of the can.
  • the detachable structure 240c may constitute an inviolability, indicating whether the can has already been opened or, conversely, whether it is still in its original state, for example when leaving the factory.
  • the detachable structure is preferably disposable and not necessary for consumption of the beverage.
  • the detachable structure 240c is formed integrally with the cap 203 during injection molding of the cap.
  • the cap 203 is molded with the lid 204 in the open position, and the lid 204 is closed by pivoting forwardly during assembly of the filled can.
  • the detachable structure 240c can be attached to the cap 203 by a weld or glue.
  • the detachable structure 240c is connected to the cap 203 by one or more thin films or bridges which define break points and / or fragilities.
  • the detachable structure 240c has the general shape of an arc.
  • the detachable structure 240c forms a portion of the flange 40 which surrounds at least a portion of the substantially circular upper surface 36a, 36b, 204a of the closed can.
  • the detachable structure forms the rim toward the front of the upper surface of the cap of the closed can.
  • the detachable structure is on, or passes through, the contact zone 47, which is intended to be in contact with the mouth of a consumer during the consumption of the contents of the can.
  • two thin bridges are at the left and right ends, respectively, of the arcuate detachable structure.
  • the break points for example in the form of thin bridges or films, connect the detachable structure 240 to the upper rim 40 of the cap.
  • the arcuate or circular rim 40 preferably has two free ends 240a, 240b towards the front. In FIG. 13, these ends 240a, 240b are to the left and to the right, respectively, of the contact zone 47 (FIG. 12).
  • the ends (right and left) of the detachable structure 240c are preferably linked by bridges or rupture films at the ends 240a, 240b, left and right, respectively, of the flange 40.
  • the detachable structure is preferably arranged so as to be integrated in the flange 40 and constitute a part of this rim, in particular the front part of the rim 4.
  • the position of the bridges of the ruptures is indicated by the two arrows in FIG. 13.
  • the detachable structure is arranged to be easily gripped by the hand.
  • the detachable structure can be easily gripped by thumb and forefinger to be detached to open the can.
  • the cover 204 comprises, on its front end, two retention structures 241, 242, for example protuberances, projections or projections.
  • these projections 241, 242 are in the form of small rectangles formed under the bottom surface 204b of the cover 204a projecting forwards.
  • the cover 204 comprises, on its front end, two retention structures 241, 242, for example protuberances, projections or projections.
  • these projections 241, 242 are in the form of small rectangles formed under the bottom surface 204b of the cover 204a projecting forwards.
  • the cover 204 comprises, on its front end, two retention structures 241, 242, for example protuberances, projections or projections.
  • these projections 241, 242 are in the form of small rectangles formed under the bottom surface 204b of the cover 204a projecting forwards.
  • Detachable structure 240c is adapted to retain protrusions 241 and 242 to hold the lid in the closed position.
  • the detachable structure 240c has two recesses 243 and 244, adapted to receive the or protrusions 241, 242, respectively, when the detachable structure is not (yet) detached. These recesses are formed on the lower side of the detachable structure, which allows
  • the lid 204 is not reclosable. Once the tamper 240c detached, the cover 204 can not be fixed in the closed position. For this reason, the bottom surface 204b of the cover 204 shown in FIG. 12 does not have a projection 37 closed on itself, for example in the shape of an ellipse, to fit into the opening zone 9 of the cap. .
  • the can of the invention has two openings.
  • the two openings are not reclosable and intended for a single use.
  • the lid, even if blocked by a tamper 240c, is also reclosable, as described for the can of Figure 2 above.
  • a resealable lid ( Figures 11-13) may be useful in the case of a drink that must be consumed quickly following the opening of the lid 10, for example an easily perishable drink.
  • the presence of a resealable lid could encourage storage of the open can, for example at room temperature.
  • the absence of a resealable lid prevents the open can is placed in a horizontal position after opening.
  • the sealing of the closure of the lid 4 is less compared to the tightness obtained by the lid 10. Once the lid is pierced, liquid can escape from the can. if it is kept horizontal for a long time, even if the resealable lid 4 is closed.
  • Figures 14 to 17 show an embodiment of the cap 303, wherein the cover 4, 204 is replaced by a detachable cover 304.
  • a pivoting cover 4, 204 is absent.
  • the piercing mechanism 5 is the same as described above, but it is not covered by a resealable lid.
  • the cap 303 of the can comprises a piercing device 7 comprising a lever tongue 6 and a striker 5, the tongue 6 being arranged to be lifted and / or pivoted upwards in order to carry out the operation. opening of the can, the cap also comprising a detachable and / or non-reclosable protection covering at least one flow aperture 33a and / or opening zone 9 of the can.
  • a can having the cap 303 preferably comprises a lid or a protection 304, shown in FIG. 16.
  • the protection 304 is detachable and is intended to be discarded after the first opening of the can 1.
  • the protection 304 covers at least the closing zone 9, with the piercing device 5.
  • the opening zone 9 is preferably delimited by the wall 38.
  • the protection 204 at least partially covers the contact zone 47.
  • the cover partially or entirely covers the upper surface 335 of the cap.
  • the upper surface 335 is also the upper surface of the assembly formed by the container 2 and the cap 303, if the guard 304 is removed. If the protection 304 is present on the can as shown in FIG. 14, the protection constitutes the upper surface of the can.
  • the cap has a circular and preferably continuous rim 340 forming the contour of the upper surface 335.
  • the rim 340 is more like that formed by a fold of metal layers in a can. metallic.
  • the arrangement in a horizontal plane of the piercing device 7, as in the metal cans, is advantageous with respect to a piercing device whose upper surfaces are not flattened. It is then possible to use a thin film-shaped or disk-shaped cover 304 to protect the opening area 9. A cover having a side wall (or skirt) is not necessary.
  • the piercing device 7, flattened on its upper surface reduces the size of the can on a vertical axis, facilitates the application of a protection 304 and also facilitates the stacking of the cans.
  • the guard 304 is a plastic film having a circular shape, corresponding to the contour of the upper surface 335 of the can.
  • the guard 304 is preferably made of, or comprises, soft plastic.
  • the protection comprises a tongue 305 which can be grasped by a consumer to allow easy detachment.
  • the tongue 305 has the shape of a protrusion exceeding the contour of the circle defined by the protection 304 and thus also exceeding the upper surface of the cap when the protection is placed thereon.
  • the guard 304 is transparent or translucent, as shown in FIG. 14, which allows the consumer to perceive the piercing device 7 through the guard 304.
  • the cover or the cover 304 is flexible and deformable. Preferably, it is peelable and / or peelable (Fig. 15).
  • the cover 304 is attached to the upper surface 335 to prevent inadvertent detachment.
  • the lid 304 is welded to the upper surface 335 of the cap 303.
  • a solder lacquer present on the lower surface of the lid 304, may be activated by heating and / or pressing when the lid 304 is placed on the cap using a soldering iron.
  • the lower surface of the protection 304 comprises an adhesive.
  • solder or adhesive between the flexible cover 304 and the upper surface of the top wall 335 is preferably small enough to allow easy detachment of the protection when a user pulls the tab 305.
  • the protection 304 has a thickness between 0.01-0.5 mm, preferably 0.02-0.3 mm, and still 0.03-0.1 mm.
  • Figures 18-21 relate to an embodiment of the invention based on a cap 403 provided with a 305 reciprocating device.
  • the drilling device 305 comprises a striker 407 which is arranged to be directly depressed by a user seeking to open the can 401.
  • a lever tongue intended to be raised and / or rotated upwards and acting on the striker, is absent.
  • the striker 407 has a bearing surface 406, on which the tip of a finger can be easily placed to then push the striker 407.
  • An indication for the consumer can be provided on the support surface 406, so that the latter understand how to open the can.
  • Striker 407 is hinged to a support structure 434 of the cap, for example by a film hinge.
  • Support 434 preferably has a flat, horizontal surface with respect to which striker 405 emerges. Striker 407 does not have a substantially flattened configuration on a horizontal plane, unlike the drilling device of the previous embodiments. Due to the elevation profile with respect to the support surface 434, a consumer can easily press, and depress, the striker 407.
  • the striker 407 is bonded rearwardly by a film hinge 449 to the carrier.
  • the film hinge linking the striker 407 rearwardly to the support, allows the striker to pivot forwards. Forward, the striker is retained in its position by bridges or rupture films (not shown) arranged laterally on either side of the striker. These break bridges attach the front of the striker to the horizontal support surface 434. They serve to prevent the striker from being inadvertently depressed.
  • the striker 407 occupies the flow opening in the support 434 and more generally in the intermediate surface 435 of the cap.
  • the support as well as the striker and the closure wall 438 are disposed on this intermediate surface, visible when the reclosable lid 404 of the cap is pivoted rearwardly.
  • the skirt 430 of the cap depends on the intermediate surface 435. It forms with it the cover of the upper part 21 of the container 2.
  • the wall 435 is called "intermediate" because of the horizontal and substantially circular wall 404c of the cap 403 the wall 404c forming the upper surface 404a of the closed can.
  • Striker 407 and support 434 thereof are surrounded by a bottom wall 438.
  • the bottom wall is substantially vertical and / or parallel to the general axis of the can.
  • the wall 438 defines an opening zone 409 which will be closed when the cover 404 is located.
  • An upper wall 437 is arranged on the lower face 404b of the cover 404, so that, when the cover is pivoted forwards, one of the walls engages in the other.
  • the dimensions of the outer contour of the upper wall 437 are complementary to the dimensions of the inner surface of the bottom wall 438, so as to allow the interlocking of the upper wall.
  • the outer and inner walls 438 and 437 have the form of protuberances or projections closed on themselves, preferably circular or elliptical.
  • the bottom wall 438 surrounds the aperture region 409 and in particular the flow aperture 414 which is created in the cap and in the cap 10 after the striker is depressed (Fig. 21).
  • the complementary walls 438 and 437 are sufficiently high. When nesting one of the walls in the other, the two surfaces are in contact to create the seal. The higher the walls 437 and 438, the larger the contact area and the greater the seal.
  • the inner wall 437 has an annular lateral projection 445 on its outer surface 437b, and the outer wall has a complementary annular groove 422 on its inner surface 438a.
  • Projection 445 and groove 422 have complementary shapes together forming a snap connection.
  • the cover 404 is connected by a hinge 432 to the main part and / or the support 435 of the cap 403.
  • a hinge 432 to the main part and / or the support 435 of the cap 403.
  • one or more butterfly hinges may be used.
  • the hinges 432 may be arranged on a support 435a disposed on the rear part of the intermediate wall 435.
  • This support 435a allows the lid 404 to be positioned at an optimum height for sealing.
  • the support 435a may also allow the attachment of butterfly hinges. Since the extensions of striker 407 and walls 438 and 437 in the axial direction (on a vertical axis) are relatively high (compared to the drilling device 5 of the previous embodiments), the cover 404 also has a skirt or side wall 441 substantially annular or tubular.
  • the side wall 441 of the lid is sufficiently high to cover the raised striker 407 and the bottom wall 438.
  • the side wall 441 of the lid contributes to a homogeneous and continuous appearance to the outer form.
  • the top plate of the cover 404 has a top surface 404a horizontal (in closed position) and substantially circular.
  • a circular rim surrounds the top surface 404a of the lid and thus the cap 403. The rim recalls the appearance of the upper end of a conventional metal can, as in the previous embodiments.
  • the skirt 430 of the cap 403 preferably comprises a cylindrical portion 416b.
  • the lower portion 416b of the skirt 430 is cylindrical.
  • the lower part 416b is preferably arranged to form the contour and the homogeneous surface in contact with the lower part of the container 2, as described in the present description.
  • the cap 403 shown in Figures 18-21 is preferably attached in the same way to the container 2 as described for the previous embodiments.
  • the can 401 having the cap 403 ( Figure 19) comprises the same container and the same cap as already described above.
  • the same method for obtaining a plastic can containing a liquid food can be applied to the can 401.
  • the can 1, 401 of the invention is generally intended to be discarded after consumption of the liquid food.
  • the can 1, 401 is disposable. As the lid 10 has been pierced, re-use of the can is not planned or even inappropriate and / or impossible.
  • the can of the invention is preferably intended for single use. Since the can is essentially made of plastic, it can be recycled. It will be understood by those skilled in the art that can 1, 401 can be manufactured at low cost, using commercially available plastics that do not require special features. The cop can be easily produced in large quantities and can be filled on existing production lines.
  • the can of the invention contains a volume of 50 ml to 3 liters, preferably 80 ml to 2 liters, more preferably 100 ml to 1.5 liters, still more preferably 200 ml to 1 liter. According to a preferred embodiment, the can contains 150 ml to 500 ml, preferably 200 ml to 350 ml of a liquid food.
  • the can of the invention preferably has a typical can appearance, such as that of a metal can, for example.
  • the can is generally cylindrical or has a part container or a cylindrical section.
  • the can of the invention comprises a cylindrical body 20 and the cap 3 has a cylindrical side wall 30 having the same diameter as said body 20, and in that the cap assembly 3-container 2 has a can aspect.
  • the height (h) of the whole of the can is greater than the width or the diameter (d, for example dl of FIG. 3) of the cylindrical part (d) (h> d) from the can.
  • the height is less than or equal to 8 times the width (h ⁇ 8 * d).
  • the dimensions of the can 1 are chosen such that h> d and h ⁇ 7 * d. More preferably, h> 1.5 * d and h ⁇ 5 * d, and still more preferably h> 2 * d and h ⁇ 4.5 * d.
  • the term "width” refers to the greatest extension of the cannete on a horizontal axis.
  • the maximum diameter is preferably used to determine the ratios between height and width of the can.
  • the outer contour of the cap assembly 3, 103, 203, 303, 403 - container 2, seen in longitudinal section, is not curved and / or is not curved outwards .
  • the outer contour of the container seen in longitudinal section is not curved and / or is not outwardly curved and / or the cross-sectional diameter of the container or the container-cap assembly passes not by a maximum in the longitudinal (axial) direction of the can.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Closures For Containers (AREA)
EP15709755.1A 2014-02-27 2015-02-27 Plastikdose und ihr herstellungsverfahren Active EP3110707B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14157082.0A EP2913276A1 (de) 2014-02-27 2014-02-27 Plastikdose und ihr Herstellungsverfahren
PCT/IB2015/051470 WO2015128847A1 (fr) 2014-02-27 2015-02-27 Cannette en plastique et son procédé de fabrication

Publications (2)

Publication Number Publication Date
EP3110707A1 true EP3110707A1 (de) 2017-01-04
EP3110707B1 EP3110707B1 (de) 2019-04-17

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EP14157082.0A Ceased EP2913276A1 (de) 2014-02-27 2014-02-27 Plastikdose und ihr Herstellungsverfahren
EP15709755.1A Active EP3110707B1 (de) 2014-02-27 2015-02-27 Plastikdose und ihr herstellungsverfahren

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EP14157082.0A Ceased EP2913276A1 (de) 2014-02-27 2014-02-27 Plastikdose und ihr Herstellungsverfahren

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US (1) US10875690B2 (de)
EP (2) EP2913276A1 (de)
KR (1) KR20160127779A (de)
CN (1) CN106029509B (de)
AU (1) AU2015221777A1 (de)
CA (1) CA2937288A1 (de)
IL (1) IL247441A0 (de)
RU (1) RU2700018C1 (de)
WO (1) WO2015128847A1 (de)

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CN111386229B (zh) 2017-12-15 2021-12-24 赫斯基注塑系统有限公司 用于容器的封闭盖
GB201809708D0 (en) * 2018-06-13 2018-08-01 Obrist Closures Switzerland Beverage capsule
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RS61973B1 (sr) * 2018-12-17 2021-07-30 Re Lid Eng Ag Sistem za zatvaranje konzerve za piće
US11623800B2 (en) * 2019-12-28 2023-04-11 Jeremiah J. Buck Child resistant can top
BR112022013044A2 (pt) * 2020-04-09 2022-10-25 Tetra Laval Holdings & Finance Conjunto de tampa, recipiente, e, método para acoplar um conjunto de tampa
KR102205319B1 (ko) * 2020-08-14 2021-01-19 에이엠지 컴퍼니 리미티드 액체 용기, 안쪽 뚜껑, 통상 부재, 봉상 부재 및 본체측 안쪽 뚜껑
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Also Published As

Publication number Publication date
EP3110707B1 (de) 2019-04-17
CN106029509B (zh) 2020-01-24
AU2015221777A1 (en) 2016-10-20
RU2700018C1 (ru) 2019-09-12
US20160355306A1 (en) 2016-12-08
KR20160127779A (ko) 2016-11-04
CN106029509A (zh) 2016-10-12
CA2937288A1 (fr) 2015-09-03
US10875690B2 (en) 2020-12-29
IL247441A0 (en) 2016-11-30
WO2015128847A1 (fr) 2015-09-03
EP2913276A1 (de) 2015-09-02

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