EP2913276A1 - Plastikdose und ihr Herstellungsverfahren - Google Patents

Plastikdose und ihr Herstellungsverfahren Download PDF

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Publication number
EP2913276A1
EP2913276A1 EP14157082.0A EP14157082A EP2913276A1 EP 2913276 A1 EP2913276 A1 EP 2913276A1 EP 14157082 A EP14157082 A EP 14157082A EP 2913276 A1 EP2913276 A1 EP 2913276A1
Authority
EP
European Patent Office
Prior art keywords
container
cap
lid
opening
plastic
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.)
Ceased
Application number
EP14157082.0A
Other languages
English (en)
French (fr)
Inventor
désignation de l'inventeur n'a pas encore été déposée La
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
Priority to EP14157082.0A priority Critical patent/EP2913276A1/de
Priority to US15/114,887 priority patent/US10875690B2/en
Priority to CA2937288A priority patent/CA2937288A1/fr
Priority to CN201580010478.5A priority patent/CN106029509B/zh
Priority to AU2015221777A priority patent/AU2015221777A1/en
Priority to RU2016137816A priority patent/RU2700018C1/ru
Priority to PCT/IB2015/051470 priority patent/WO2015128847A1/fr
Priority to KR1020167026541A priority patent/KR20160127779A/ko
Priority to EP15709755.1A priority patent/EP3110707B1/de
Publication of EP2913276A1 publication Critical patent/EP2913276A1/de
Priority to IL247441A priority patent/IL247441A0/en
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • 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
    • 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
    • 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.
  • 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.
  • EP 2 409 925 A2 cans must withstand temperatures up to 50-70 ° C and internal pressures of up to 7 bar, which is why 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 that can be used on a metal can.
  • patent applications US 2008/0110887 and DE10244349 disclose reclosable plastic swivel covers 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 portion opposite to the resealable lid, the latter being integrally formed with the body of the can and having a breaking point, driven by the cover which can then be folded over to give access to the opening for the 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.
  • 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 connected to at the top of the container and having a piercing device.
  • 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.
  • 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.
  • the 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 of the container 2.
  • the plastic or "plastic material" of which 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 layers, including a central layer that absorbs light, at least partially.
  • the can comprises at least one transparent plastic part.
  • a portion or the whole of the cylindrical lateral wall 27 ( figure 3 ) of the can can partially or completely 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 yoghurt 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 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.
  • living microorganism includes microscopic fungi, including yeasts, bacteria and, in a preferred embodiment, also viruses.
  • 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 still a limited probability that a micro-organism 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 Probability of Non Sterile Unit (PNSU) value.
  • PNSU Probability of Non Sterile Unit
  • the food in the can of the invention has an SAL value of 10 -1 or less, for example 10 -2 or less.
  • the SAL value is 10 -3 or less, more preferably the SAL value is 10 -4 or less and even more preferably it is 10 -5 or less.
  • the SAL value is 1.5 ⁇ 10 -4 or less, 2x10 -4 or less, 3 ⁇ 10 -4 or less, or 4x10 -4 or less.
  • the SAL value is 10 -6 or less.
  • the SAL value of 10 -6 represents the highest standard in some pharmaceutical fields.
  • a SAL of 10 -1 , preferably 10 -2 or optionally 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 lid 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 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.
  • liquid food is not sterile
  • 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.
  • the 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 piercing device 5 comprises a handling member 6 and a piercing structure 7 which are structurally connected to each other so as to allow piercing of the cap 10 (FIG. 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 a 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 drilling structure 7 in the "pierced” position, in this case pivoted downwards. In this position, a flow opening 14 is created, the cover 10 being pierced, as visible in FIG. figure 9 .
  • the dotted elliptical zone designated with reference number 47 in the figure 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. In metal cans, the area intended to be pierced when the can is opened is not covered or otherwise protected.
  • the contact area When handling a conventional can, 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. see to the figure 2 , the cover 4 covers the closing zone 9, (here delimited by the wall 38, as shown in FIG. figure 4 ), as well as an area which surrounds the flow aperture 14. In this case the entire horizontal level 35 ( figure 4 ) is covered by the cover 4. According to one embodiment, 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 even more preferably at least 2.0 cm 2, for example at least 2.0cm 2 and at least 2.5 cm 2 of the area surrounding the discharge opening 14. These surfaces correspond at least to the surface 4b on figure 4 as far as it is outside the wall 47.
  • 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 during 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 lid 4 ( figure 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 which must be torn by the consumer before the first one. , 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 set of the potential contact area.
  • the cover 4 covers the outer surface 47 of the can which surrounds the flow opening 14 of the open can, as shown in FIG. figure 2 .
  • the contact zone 47 is preferably located on the upper wall 31 of the cap 3.
  • 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 figure 3 shows the container 2 of the can 1.
  • the can 1 comprises at least two different parts that are separate or separable, said container 2 and said cap 3.
  • the two parts 2, 3 are manufactured separately and assembled and / or connected following the filling of the container.
  • the lid 10 ( Figures 6-9 ) is also a separate piece, assembled and / or connected to the container 2 after filling 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 shape essentially cylindrical, 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. Down, the lower part 20 consists of the bottom 25 of the container 2 or the can 1. In the illustrated embodiment, the bottom 25 is slightly concave and is bonded to the cylindrical portion 27 by an edge 29 having a peripheral annular recess 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 cans 1.
  • 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.
  • 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 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 passage between the cylindrical wall 27 is 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.
  • 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 having the general appearance of a bottle.
  • the opening 19 of the container 2 is at the top at the 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 welding of a cap 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 essentially 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. Such could be filled when the opening 19 has been sealed or also in the case where the opening 19 is entirely 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 lower portion 20 has a diameter d1 which is larger than the maximum diameter over the entire upper portion 21.
  • the upper portion in any position the upper portion has a diameter exceeding that defined by the outer surface of the cylindrical wall 27 of the body 20.
  • the assembly of the upper portion 21 therefore generally has reduced dimensions relative to the outer surface of the cylindrical wall 27, these dimensions being measured on a horizontal axis defining the diameter of the container 2 at a position any vertical.
  • 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 reduced dimensions 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 the figures 1 and 2 .
  • These dimensions / reduced diameters allow in particular to use 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 to figures 1 and 2 , while the upper part of the container 2 comprises the neck 17 for robotic manipulation.
  • the cap 3 comprises on its upper face or lid face 31 the lid 4 and the drilling device 5.
  • the drilling device 5 is integrated in the upper wall 31 of the cap 3, and the lid 4 is connected by a hinge 32
  • the hinge 32 is a "film hinge” or film hinge, formed by a reduced thickness portion of plastic material which connects the lid 4 to the top wall 31 of the cap 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 to the figure 4 , is essentially cylindrical.
  • the outer surface of the side wall 30 comprises a cylindrical lower part and a slightly conical upper part.
  • the upper wall 31 with a substantially circular contour is connected at its periphery to the conical upper part of the peripheral skirt 30.
  • the cylindrical lower part of the outer surface of the side wall 30 has the same external diameter as the cylindrical side wall. 27 of container 2, so as to form a cylindrical and homogeneous outer can surface, as can be seen in FIGS. figures 1 and 6 , for example.
  • the cap 3 is shaped to contribute to the essentially cylindrical can shape of the can 1, by hiding an upper portion 21 of the container 2 which, for example for reasons related to the aseptic filling, present an outer surface reminiscent of a bottle and not a can.
  • 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 notch 33b back, 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 4 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 at the 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 is the edge or the sealing wall 37.
  • the edge 37 is a substantially circular projection or elliptical, whose contour corresponds to the shape of the closing zone 9 on the upper wall 31 of the cap 3.
  • the closing zone 9 has the same shape as the edge contour 37.
  • 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.
  • 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 boundary wall 37, said first and second boundary walls having complementary shapes, said pivotable cover being arranged to be able to close said closure 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 raised 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 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 to the figures 1 and 5 .
  • the flange 40 is quasi-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 lid 4 is connected by the hinge 32, as can be seen better on the figure 5 .
  • 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 cover 4 covers the entire cap 3, and / or forms the upper face of the assembly of the 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 structures complementary devices, for example an annular peripheral hollow 26 and an edge 29 as described with respect to the figure 2 . The rim 40 thus stabilizes a can piled up and / or placed on the cap 3 of a can below, by 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 cap 3 is illustrated with the lid 4 in the closed position.
  • the wall 38 extends in the form of a sleeve or tubular 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 sealing wall 37 of the cover 4.
  • the latter rests both on the upper face of the piercing device 5, in particular on the plate 7 and the tongue-lever 6, as well as on the upper wall 31 of the cap, in particular on the upper face 35 of the latter, said upper face forming a horizontal level of support for the cover 4.
  • 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 ( figure 3 ), as can be seen in figures 8 and 9 , when the cap 3 is placed on the container 2.
  • the introduction 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 protrusion 46 is visible, formed on an outer radial portion of the piercing plate 7. This protuberance 46 ends in a downward pointing point. The piercing protuberance 46 is disposed at the location where the flow opening will be, once the can completely open.
  • the figure 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 of 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 during the first opening of the can.
  • 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 solder are generally disposed on the seal on defined areas of one or both surfaces of the seal.
  • the seal is generally a composite material, for example a laminated composite having different materials in the form of sheets or films.
  • the operculum is generally essentially 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) and / or on the front (top) of the cap, preferably on annular surfaces on the cap, so as to allow the sealing of the cap on the container 2 and / or the cap 3 on the lid, respectively.
  • 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 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 piercing device 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 have a filling opening in the portion of the container which is shown at the bottom in the figures at the bottom of the container.
  • the figure 7 illustrates an enlargement of the detail contained in the rectangle A of the figure 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 pins 8a and 8b connect the tongue-lever 6 to its anterior end (in the 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 drilling plate 7, at one end of the tongue 6 which is opposite the end intended for be entered by the user.
  • pins 8a and 8b are thin branches, they allow the pivoting of the tongue-lever 6 by their elasticity and / or flexibility. Said pivoting is therefore the result of fine / weak regions at selected locations (the pins 8a and 8b) able to flex when applying a pulling force on the lever tab 6 by a user wishing to open the can.
  • 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 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. figure 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 of the cap 10.
  • figure 9 shows the tongue-lever 6 in horizontal position, folded following the piercing of the lid 10.
  • the piercing plate 7, once in a 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, as shown in FIG. figure 8 .
  • the lever tongue 6 and the plate 7 are integral in rotation (on the left), whereas once the lid has been 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.
  • Arrow 51 on the figure 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 manner fully sealed, to ensure the sterility of the contents of the can 1.
  • the weld 51 can be performed 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 US 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 welding lacquer on the lid When the lid is placed on the container 2, the welding lacquer on the lid is positioned so as 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 material of the cap and that of the container 2, for example at or near the snap connection 53 ( figures 6 and 9 ).
  • the cover 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.
  • the welding by heat application 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.
  • a circular friction weld, disclosed in the document US 4,840,289 would be a possibility to perform the welding 52.
  • 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.
  • 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 seal 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 essentially connected to the container 2 sealingly.
  • 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 tightness of the cap 3 must not guarantee sterility the contents of the can, as is the case with the seal created by the sealing of the lid 51.
  • the annular space 55 ( figure 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, by 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 may exit at the passage 15 between the container and the cap 3 and thus sink 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 comprises 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 of connection between cap 3 and container 2.
  • the sleeve can contribute to the seal between cap 3 and container 2 covering the line 15, thereby preventing or reducing the risk of a flow of the food through the connection 15 following the piercing of the lid 10.
  • the sleeve may be made of a shrinkable plastic film or a plastic stretch 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 at the figure 1 ).
  • the lid 4 can close the can 1 once it has been opened.
  • the lid 4 also allows a re-closure 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.
  • the figure 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 located in its resting or basic position, before the first use.
  • the lid 10 is intact and hermetically closes the container volume 2 of the can.
  • 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 method of the invention aims to obtain a can containing a sterile liquid food.
  • the method comprises several sterilization steps, to ensure 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.
  • a disinfectant gas such as, for example, ethylene oxide or a peroxide.
  • the interior of the container that is sterilized.
  • the latter is injected into the interior of the container.
  • 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 an appropriate period of time longer than 2 seconds, for example from 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, filling takes place under 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 and / or closure of the container 2 comprises the establishment of a cap 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 capable of being welded to the plastic material of the container, Particularly of the material in which the cap is made and how it is welded to the filled container has been disclosed above.
  • Methods for sealing the seal on the container have also been described and are part of a preferred embodiment of the process of the invention. Welding of the cap by heat treatment is the preferred method.
  • 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 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 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. figure 3 but alternatively by any other opening that may 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 of 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 3 is also fixed by welding and / or gluing to the sealed container 2.
  • a welding material for example a welding lacquer, is disposed on the upper part 21 of the container or on the front face of the lid 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 at the figure 7 ), the welding method is preferably selected from laser welding, induction welding and circular friction welding, for example.
  • the cap 10 contains a welding lacquer on its front face (the face at the top of the cap on the Figures 6-9 , which faces the hood 3).
  • this lacquer is disposed on a part of the surface of the lid, preferably on an annular surface on the front of the operculum.
  • the position of the weld lacquer is indicated by the arrow 52 at the figure 7 .
  • 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 the figure 1 opens the cover 4. Tampering, as far as it is present, must generally be removed, for example by tearing, before the lid 4 can be opened.
  • the lid 4 is pivoted backwards, as illustrated in FIGS. figures 4 and 8 .
  • the user lifts 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 the striker 7 and in particular the piercing member 46 is pushed through the lid 10, so as to tear the latter, as illustrated in FIGS. figures 2 and 9 .
  • the lever 6 has been folded back into its initial horizontal position, but the flow opening 14 has already been created. The user can then consume the liquid food contained in the can 1.
  • 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 cap 10.
  • the striker 7 Before the opening of the can, the striker 7 largely occupies the notch before 33a in the upper wall 31 of the cap ( figures 4 and 5 ).
  • the slot 42 of the notch 33a constitutes an opening in the upper wall 31 with the piercing plate in a horizontal position ( figure 8 ).
  • 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.
  • the cover 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 cover 4 provides at least partial and / or temporary sealing to the closed can, so as to avoid involuntary flow, for example in the case where the closed can is accidentally reversed.
  • the cap 3 is attached to the container 2 in a sufficiently tight manner 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-like 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 single-use closure: once the cap 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.
  • the can 1 of the invention is generally intended to be discarded after consumption of the liquid food.
  • the can 1 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. Those skilled in the art will understand that can 1 can be manufactured at low cost by using commercially available plastics that do not require special features. The can 1 can easily be 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.
  • 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 cylindrical container portion.
  • the can 1 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 presents an appearance of can.
  • the height (h) of the whole of the can is greater than the width or the diameter (d, for example d1 of the figure 3 ) of the cylindrical portion (d) (h> d) of 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.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Closures For Containers (AREA)
EP14157082.0A 2014-02-27 2014-02-27 Plastikdose und ihr Herstellungsverfahren Ceased EP2913276A1 (de)

Priority Applications (10)

Application Number Priority Date Filing Date Title
EP14157082.0A EP2913276A1 (de) 2014-02-27 2014-02-27 Plastikdose und ihr Herstellungsverfahren
RU2016137816A RU2700018C1 (ru) 2014-02-27 2015-02-27 Пластиковая банка и способ ее изготовления
CA2937288A CA2937288A1 (fr) 2014-02-27 2015-02-27 Cannette en plastique et son procede de fabrication
CN201580010478.5A CN106029509B (zh) 2014-02-27 2015-02-27 塑料罐和用于制造该塑料罐的方法
AU2015221777A AU2015221777A1 (en) 2014-02-27 2015-02-27 Plastics can and method for manufacturing same
US15/114,887 US10875690B2 (en) 2014-02-27 2015-02-27 Plastic can and method for manufacturing same
PCT/IB2015/051470 WO2015128847A1 (fr) 2014-02-27 2015-02-27 Cannette en plastique et son procédé de fabrication
KR1020167026541A KR20160127779A (ko) 2014-02-27 2015-02-27 플라스틱 캔 및 플라스틱 캔 제작 방법
EP15709755.1A EP3110707B1 (de) 2014-02-27 2015-02-27 Plastikdose und ihr herstellungsverfahren
IL247441A IL247441A0 (en) 2014-02-27 2016-08-23 Plastic can and method for its production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14157082.0A EP2913276A1 (de) 2014-02-27 2014-02-27 Plastikdose und ihr Herstellungsverfahren

Publications (1)

Publication Number Publication Date
EP2913276A1 true EP2913276A1 (de) 2015-09-02

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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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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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WO2019113681A1 (en) 2017-12-15 2019-06-20 Husky Injection Molding Systems Ltd. Closure cap for a container
GB201809708D0 (en) * 2018-06-13 2018-08-01 Obrist Closures Switzerland Beverage capsule
HUE061227T2 (hu) 2018-06-19 2023-05-28 Top Cap Holding Gmbh Eljárás fémbõl készült dobozfedél elõállítására
ES2874333T3 (es) * 2018-12-17 2021-11-04 Re Lid Eng Ag Sistema de cierre para latas de bebida
US11623800B2 (en) * 2019-12-28 2023-04-11 Jeremiah J. Buck Child resistant can top
US20230115201A1 (en) * 2020-04-09 2023-04-13 Tetra Laval Holdings & Finance S.A. Lid assembly for a container, container having a lid assembly and method of coupling a lid assembly to a spout
JP6882815B1 (ja) * 2020-08-14 2021-06-02 株式会社エイエムジー 液体容器、内蓋、筒状部材、棒状部材及び本体側内蓋
US20230055070A1 (en) * 2021-08-19 2023-02-23 Closure Systems International Inc. One-piece closure
US20230249882A1 (en) * 2022-02-08 2023-08-10 Michael Angelo Gomez Bottle cap with a flip lid

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IL247441A0 (en) 2016-11-30
CN106029509A (zh) 2016-10-12
CA2937288A1 (fr) 2015-09-03
AU2015221777A1 (en) 2016-10-20
EP3110707A1 (de) 2017-01-04
EP3110707B1 (de) 2019-04-17
WO2015128847A1 (fr) 2015-09-03
CN106029509B (zh) 2020-01-24
US10875690B2 (en) 2020-12-29
RU2700018C1 (ru) 2019-09-12
KR20160127779A (ko) 2016-11-04
US20160355306A1 (en) 2016-12-08

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