EP3448769A1 - Membrane, col comprenant une telle membrane, capsule pour interagir avec un tel col et procédé pour appliquer une telle capsule sur un tel col - Google Patents

Membrane, col comprenant une telle membrane, capsule pour interagir avec un tel col et procédé pour appliquer une telle capsule sur un tel col

Info

Publication number
EP3448769A1
EP3448769A1 EP17719580.7A EP17719580A EP3448769A1 EP 3448769 A1 EP3448769 A1 EP 3448769A1 EP 17719580 A EP17719580 A EP 17719580A EP 3448769 A1 EP3448769 A1 EP 3448769A1
Authority
EP
European Patent Office
Prior art keywords
membrane
neck
disc member
cap
outer annular
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.)
Withdrawn
Application number
EP17719580.7A
Other languages
German (de)
English (en)
Inventor
Anders Danielsson
Göran Johansson
Robert Rosberg
Lennart Stillerud
Henrik Andersson
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.)
Tetra Laval Holdings and Finance SA
Original Assignee
Tetra Laval Holdings and Finance 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 Tetra Laval Holdings and Finance SA filed Critical Tetra Laval Holdings and Finance SA
Publication of EP3448769A1 publication Critical patent/EP3448769A1/fr
Withdrawn legal-status Critical Current

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
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/04—Threaded or like caps or cap-like covers secured by rotation
    • B65D41/0435—Threaded or like caps or cap-like covers secured by rotation with separate sealing elements
    • B65D41/045—Discs
    • 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
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/20—Caps or cap-like covers with membranes, e.g. arranged to be pierced
    • B65D41/205—Caps or cap-like covers with membranes, e.g. arranged to be pierced with integral internal sealing means
    • 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
    • B65D51/228—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 removed from the container after the opening
    • 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
    • B65D53/00—Sealing or packing elements; Sealings formed by liquid or plastics material
    • B65D53/04—Discs
    • 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
    • B65D2251/0015—Upper closure of the 41-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
    • B65D2251/0096—Membrane integral with the container

Definitions

  • the present invention generally relates to the field of packaging technology. More particularly, the present invention relates to a membrane for a neck of a food package as well as to a neck including such membrane.
  • Food packages are generally provided with an opening device in order to facilitate discharging of the enclosed food product.
  • the opening device may either be an irreversible opening, i.e. once the package is opened it may not be closed, or a re-closeable opening device. In order to extend the shelf-life and quality of the food product the latter is often desired.
  • a common way of providing a re-closeable opening device is to arrange a threaded neck including a pouring spout on the upper part of the package.
  • the threaded neck is designed such that it may receive a cap, including internal threads, such that the cap is capable of being unscrewed from the neck. Since the cap covers the open spout of the neck, the enclosed food product is protected from the outer environment and the quality of the product may thus be preserved during some time.
  • WO2013072475 describes a cap and neck assembly having a
  • the membrane for sealing a food package.
  • the membrane is shaped such that is have round corners and is angled at an end towards a spout. This arrangement seals the food package and allows for re-sealing of the food package but due to the angled ends of the membrane it is not always connected to the spout so that it seals or re-seals the spout.
  • a membrane for sealing an open spout of a food package comprising a central circular disc member.
  • An outer annular disc member connected to the central circular disc member, a resilient tubular portion extending between a first open end and a second end being connected to the outer annular disc member, and wherein the first open end comprises an angled surface for sliding the membrane on the open spout when sealing and/or resealing.
  • a neck for a food package comprising a tubular wall extending from an open end to an open spout along a longitudinal axis, and a membrane arranged such that the plane of the central circular disc member is perpendicular to the longitudinal axis, wherein the outer annular disc member of the membrane is connected to the spout for sealing the open spout.
  • a cap arranged to interact with a membrane and a neck, comprising a tubular side wall section extending between an open lower end to a closed upper end, and at least one resilient cutting element provided on the interior side of the tubular side wall section and configured to cut off a membrane from the neck when the cap is unscrewed from the neck.
  • a food package comprising a membrane, a neck and a cap.
  • a method for applying a cap onto a neck comprising a membrane comprising the step of applying the cap onto the neck such that the at least one resilient cutting element is pulled over the membrane.
  • Some examples of the disclosure provide for a food package being shaped as a bottle.
  • Some examples of the disclosure provide for a food package being made of a carton-based laminate.
  • Some examples of the disclosure provide for a top portion made of plastic.
  • Some examples of the disclosure provide for forming a sleeve of the carton-based laminate. Some examples of the disclosure provide for a plastic top portion provided by molding.
  • Some examples of the disclosure provide for a plastic top portion comprising a shoulder section and a neck portion.
  • Some examples of the disclosure provide for a shoulder section arranged to connect to a sleeve.
  • Some examples of the disclosure provide for a neck portion provided with threads for engaging with corresponding threads of a cap.
  • Some examples of the disclosure provide for a neck portion and a shoulder section formed in one piece, or as two separate pieces which are molded together.
  • Some examples of the disclosure provide for a membrane for sealing an open spout of a food package.
  • Some examples of the disclosure provide for a first open end comprising an angled surface for sliding a membrane on an open spout when sealing and/or resealing.
  • Some examples of the disclosure provide for a much tighter fit of a membrane to a spout when re-sealed.
  • Some examples of the disclosure provide for an angled surface improving a membranes orientation on to a spout.
  • Some examples of the disclosure provide for a membrane being even easier to slide into its desired position on a neck.
  • Some examples of the disclosure provide for an angled surface being angled and shaped such that the angled surface comes in flush contact with a neck for creating a seal.
  • Some examples of the disclosure provide for a strong seal between a neck and a membrane when being re-sealed.
  • Some examples of the disclosure provide for a membrane that pushes a tubular resilient portion towards and into contact with a neck.
  • Some examples of the disclosure provide for a tubular portion having a wall profile which is similar to a wall profile of a neck so that they will better confirm to each other better direct a membrane into place on to a neck.
  • Some examples of the disclosure provide for an outer annular disc member and a connected tubular portion to pivot relative a central circular disc member.
  • Some examples of the disclosure provide for an even further increase of a flex of a membrane. Some examples of the disclosure provide for an improved contact between an angled surface and a neck 300.
  • Some examples of the disclosure provide for a tubular portion and an outer annular disc member being formed integrally with a central circular disc member.
  • Some examples of the disclosure provide for a gap between walls of a neck and a resilient tubular portion.
  • Some examples of the disclosure provide for a membrane being even easier to seal and/or re-seal with a neck.
  • Some examples of the disclosure provide for a recess acting as a connection point on which a membrane can flex on.
  • Some examples of the disclosure provide for a central disc member of a membrane being configured such that the membrane can even further be flexed by a cap when re-sealed.
  • a membrane projection being configured to direct at least one cutting element so that the membrane can be removed from a neck in a controlled fashion
  • Some examples of the disclosure provide for a membrane that will stay on top of a neck when sealed and/or re-sealed.
  • Some examples of the disclosure provide for a cut-off area along an entire periphery of a neck.
  • Some examples of the disclosure provide for entirely disconnecting in a controlled and clean way a membrane.
  • Some examples of the disclosure provide for a member having a better fit back on to a neck when re-sealed.
  • Some examples of the disclosure provide for a cap being unscrewed such that a membrane can be separated from a neck.
  • Some examples of the disclosure provide for a cap screwed onto a neck and further push a membrane downwards so that a better seal is created.
  • Some examples of the disclosure provide for at least one cutting element being arranged to retain a membrane, by being arranged to extend passed a circumferential edge of the membrane.
  • Some examples of the disclosure provide for a food package
  • Some examples of the disclosure provide for a food package
  • a body section made of carton-based laminate, and a top section made of plastics.
  • a top section comprising a neck.
  • Fig. 1 illustrates a carton-based bottle having a top section made of plastic and a body made of a carton-based laminate.
  • Fig. 2 is a cross sectional view of a neck and a membrane connected thereto.
  • Fig. 3 is a cross sectional view of a neck of a package including a membrane.
  • Fig. 4 is a cross sectional view of a cap, neck and a membrane.
  • Fig. 5 is a flowchart of a method of screwing on a cap. Detailed Description
  • the food package 100 has a shape of a bottle formed by a body portion 102, which may be made of a carton-based laminate, a top portion 104, which may be made of plastic, and a cap 400 provided with a tamper ring 108.
  • Such package may be provided by first forming a sleeve of the carton- based laminate, i.e. a tubular body extending between two open ends.
  • the plastic top portion 104 is provided by molding.
  • the plastic top portion 104 may comprise a shoulder section and a neck portion.
  • the shoulder section is thus arranged to connect the sleeve, which forms basis for the body portion 102, to the neck portion.
  • the neck portion is preferably provided with threads for engaging with corresponding threads of the cap 400 including the tamper ring 108.
  • the neck portion and the shoulder section may be provided as one piece, or as two separate pieces which are molded together.
  • the sleeve is filled with food content. Preferably, this is done by turning the sleeve and the top portion assembly upside down, such that the remaining open end of the sleeve is facing upwards. After being filled the open end of the sleeve may be sealed and folded to a flat bottom as illustrated in Fig. 1 .
  • the cap 400 is screwed onto the top portion 104 after the package is filled. This may be the case if the neck is provided with a membrane 200 sealing the open end of the neck portion, which will be described in more detail below.
  • a membrane 200 for sealing a neck of an open spout of a food package is disclosed, as illustrated in Fig. 2.
  • the membrane 200 comprises a central circular disc member 202 and an outer annular disc member 204 connected to the central circular disc member 202.
  • the membrane 200 further comprises a resilient tubular portion 208 extending between a first open end 210 and a second end 212 being connected to the outer annular disc member 204, and wherein the first open end comprises an angled surface 21 6 for sliding the membrane on the neck of the open spout when sealing and/or resealing.
  • the first open end 210 comprising the angled surface 21 6 the membrane 200 has a much tighter fit to the spout when re-sealed.
  • the angled surface 21 6 improves the membranes 200 orientation on to the spout such that the membrane is more or less always in a correct position when sliding back on to the spout.
  • the angled surface 21 6 is angled downward and away from the neck 300 of the spout, as illustrated in e.g. Fig. 2.
  • the membrane 200 can even easier slide into its desired position on the neck 300. This is true for both when the membrane 200 is initially arrange on the neck 300 by e.g.
  • the membrane 200 is re-sealed after being disconnected from the neck 300.
  • the entire membrane 200 is formed by high density polyethylene.
  • the angled surface 21 6 is angled and shaped such that the angled surface comes in flush contact with the neck 300 for creating a seal.
  • the membrane 200 is designed to flex by the outer annular disc member 204 being angled inwards since the cap 400 is pushing on the central circular disc member 202 and which thus pushes the tubular resilient portion 208 towards and into contact with the neck 300.
  • the tubular portion 208 has a wall profile which is similar to a wall profile of the neck 300. By having the tubular resilient portion 208 having a similar wall profile they will better confirm to each other and the angled surface 21 6 will better direct the membrane 200 into place on to the neck 300.
  • the wall profiles are parallel to each other.
  • a connecting interface between the central circular disc member 202 and the outer annular disc member 204, formed at the periphery of the central circular disc member 202, has a thickness which is less than the thicknesses of the central circular disc member 202 and the outer annular disc member 208 for allowing the outer annular disc member 202 and the connected tubular portion 208 to pivot relative the central circular disc member 202.
  • the connection interface being designed to have be thinner it is possible to even further increase the flex of the membrane and thus also improve the contact between the angled surface 21 6 and the neck 300.
  • the tubular portion 208 and the outer annular disc member 204 are formed integrally with the central circular disc member 202.
  • the outer annular disc member 204 comprises a circular recess 214 arranged exterior of where the second end 212 of the tubular portion 208 is connected to the outer annular disc member 204.
  • This recess 214 it is possible to create a gap between the walls of the neck 300 and the resilient tubular portion 208 so that the membrane 200 is even easier to seal and/or re-seal with the neck 300.
  • the recess 214 also acts as a connection point on which the membrane 200 can flex on.
  • the central circular disc member 202 has a concave shape, arranged to bulge away from a cap arranged on top of it. By having the concave shape of the central disc member 202 the membrane 200 can even further be flexed by the cap 400 when re-sealed creating an even better seal.
  • the outer annular disc member 204 extends radially outside the neck 300 forming the membrane projection 217 and the membrane projection 217 is arranged to direct at least one resilient cutting element of the cap 400 radially inwards when the cap 400 is unscrewed such that the membrane 200 is separated from the neck 300. By having the membrane projection 217 and it being configured to direct the at least one cutting element the membrane 200 can be removed from the neck 300 in a controlled fashion,
  • the neck 300 comprises a tubular wall 306 extending from an open end 302 to an open spout 304 along a longitudinal axis, and the membrane 200 is arranged such that the plane of the central circular disc member 202 is perpendicular to the longitudinal axis, wherein the outer annular disc member 204 of the membrane 200 is connected to the spout 304 for sealing the open spout 304.
  • the open spout 304 comprises a tubular wall portion 312 having a diameter being smaller than the outer diameter of the outer annular disc member 204 but larger than the diameter of the first end 210 of the resilient tubular portion 208.
  • the tubular wall portion 312 having a diameter that is between the diameter of the outer annular disc 204 and the first end 210 the membrane 200 will stay on top of the neck 300 when sealed and/or re- sealed.
  • the membrane 200 is connected to the neck 300 by means of a cut-off area extending along the entire periphery of the neck 300.
  • a cut-off area extending along the entire periphery of the neck 300.
  • the outer annular disc member 204 extends radially outside the tubular wall 306 of the neck 300 such that a membrane 200 projection is formed and arranged to direct at least one resilient cutting element of a cap radially inwards when the cap is unscrewed such that the membrane can be separated from the neck 300.
  • the neck 300 further comprises threads 310 arranged on the outer periphery of the tubular wall 306 for engagement with corresponding threads of the cap 400.
  • threads 310 arranged on the outer periphery of the tubular wall 306 for engagement with corresponding threads of the cap 400.
  • the cap 400 is arranged to interact with the membrane 200 and the neck 300, comprising a tubular side wall section 402 extending between an open lower end 406 to a closed upper end 404, and at least one resilient cutting element 410 provided on the interior side of the tubular side wall section 402 and configured to cut off the membrane 200 from the neck 300 when the cap 400 is unscrewed from the neck 300.
  • the at least one cutting element 41 0 is extending radially upwards from the interior side of the tubular side wall section 402.
  • the at least one cutting element 410 is arranged to retain the membrane 200 adjacent to the closed upper end 404, by being arranged to extend passed a circumferential edge of the membrane 200.
  • the food package 100 comprises the membrane 200, the neck 300 and the cap 400.
  • the food package 100 comprises the body section 102 made of carton-based laminate, and the top section made of plastics, the top section 104 comprising the neck 300.

Landscapes

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

Abstract

L'invention concerne une membrane (200) pour sceller un bec verseur ouvert d'un emballage alimentaire, laquelle membrane comprend un élément de disque circulaire central (202), un élément de disque annulaire externe (204) relié à l'élément de disque circulaire central, une partie tubulaire élastique (208) s'étendant entre une première extrémité ouverte (210) et une seconde extrémité (212) étant reliée à l'élément de disque annulaire externe, et la première extrémité ouverte comprenant une surface en angle (216) pour faire coulisser la membrane sur le bec verseur ouvert lors du scellement et/ou du rescellement.
EP17719580.7A 2016-04-27 2017-04-25 Membrane, col comprenant une telle membrane, capsule pour interagir avec un tel col et procédé pour appliquer une telle capsule sur un tel col Withdrawn EP3448769A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1650567 2016-04-27
PCT/EP2017/059820 WO2017186731A1 (fr) 2016-04-27 2017-04-25 Membrane, col comprenant une telle membrane, capsule pour interagir avec un tel col et procédé pour appliquer une telle capsule sur un tel col

Publications (1)

Publication Number Publication Date
EP3448769A1 true EP3448769A1 (fr) 2019-03-06

Family

ID=58632987

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17719580.7A Withdrawn EP3448769A1 (fr) 2016-04-27 2017-04-25 Membrane, col comprenant une telle membrane, capsule pour interagir avec un tel col et procédé pour appliquer une telle capsule sur un tel col

Country Status (2)

Country Link
EP (1) EP3448769A1 (fr)
WO (1) WO2017186731A1 (fr)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX350199B (es) 2011-11-18 2017-08-30 Tetra Laval Holdings & Finance Membrana y cuello que incluye tal membrana.
KR20160022880A (ko) * 2013-06-20 2016-03-02 테트라 라발 홀딩스 앤드 피낭스 소시에떼아노님 커팅 부재를 갖는 뚜껑

Also Published As

Publication number Publication date
WO2017186731A1 (fr) 2017-11-02

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