WO2011124874A1 - Closure and container combination and method - Google Patents

Closure and container combination and method Download PDF

Info

Publication number
WO2011124874A1
WO2011124874A1 PCT/GB2011/000418 GB2011000418W WO2011124874A1 WO 2011124874 A1 WO2011124874 A1 WO 2011124874A1 GB 2011000418 W GB2011000418 W GB 2011000418W WO 2011124874 A1 WO2011124874 A1 WO 2011124874A1
Authority
WO
WIPO (PCT)
Prior art keywords
closure
container
neck
closure flap
fitting ring
Prior art date
Application number
PCT/GB2011/000418
Other languages
French (fr)
Inventor
Arun Kumar Mukhopadhyay
Original Assignee
Castrol Limited
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 Castrol Limited filed Critical Castrol Limited
Publication of WO2011124874A1 publication Critical patent/WO2011124874A1/en

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
    • B65D41/32—Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
    • B65D41/46—Snap-on caps or cap-like covers
    • B65D41/48—Snap-on caps or cap-like covers non-metallic, e.g. made of paper or plastics
    • 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
    • B65D47/10—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having frangible closures
    • B65D47/106—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having frangible closures with devices for removing frangible parts of the pouring element or of its closure
    • 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
    • B65D55/00—Accessories for container closures not otherwise provided for
    • B65D55/02—Locking devices; Means for discouraging or indicating unauthorised opening or removal of closure
    • B65D55/06—Deformable or tearable wires, strings, or strips; Use of seals, e.g. destructible locking pins
    • B65D55/08—Annular elements encircling container necks
    • B65D55/0863—Plastic snap-on cap-like collars having frangible parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2401/00—Tamper-indicating means
    • B65D2401/15—Tearable part of the closure

Definitions

  • the present invention relates in general to an apparatus and in particular, to a closure and container combination.
  • the present invention also relates to a method and in particular, to a method of sealing a container with a tamper-evident closure.
  • Closures for containers are known which have tamper evident and/or tamper proof features. Such features may be provided for safety reasons, for example closures for containers which are used with drugs or potentially harmful substances.
  • a sealing membrane It is known to seal the opening of a container with a sealing membrane.
  • Such membranes may be inductively sealed to the rim of the container opening.
  • Such membranes may be covered with a cap, which might be a screw-type cap, which engages the neck of the container with a screw thread. To remove the membrane, the cap is first removed from the neck of the container. Then the sealing membrane may be removed from the opening.
  • the cap may have tamper-evident features such as a tear strip or ring.
  • closures require a two-step process for removal; that is, removal of the cap (first step) and then removal of the sealing membrane (second step).
  • a closure and container combination comprising:
  • a container having a neck, the neck having an opening defined by a rim;
  • a tamper-evident closure comprising a closure flap, a fitting ring and a frangible sealing membrane
  • the fitting ring being in press-fit engagement with the neck of the container
  • closure flap having a circumference, at least a portion of which frangibly connected to the fitting ring;
  • the frangible sealing membrane having a first face sealably connected to the rim of the neck opening and a second face on the opposite side of the membrane to the first face, connected to the closure flap;
  • the container has a neck, the neck having an opening defined by a rim; and the tamper-evident closure comprises a closure flap, a fitting ring and a frangible sealing membrane;
  • closure flap having a circumference, at least a portion of which is frangibly connected to the fitting ring;
  • the fitting ring and neck of the container having a co-operable annular recess and protuberance having axially angled opposing surfaces
  • the method comprising press-fitting the fitting ring into engagement with the neck of the container with:
  • the frangible sealing membrane having a first face adjacent to the rim of the neck opening and a second face on the opposite side of the membrane to the first face, adjacent to the closure flap;
  • fitting ring being held in engagement with the neck of the container by the cooperating recess and protuberance;
  • the present invention solves the technical problem identified above by using a tamper-evident closure comprising a closure flap, a fitting ring and a frangible sealing membrane, in which the fitting ring is in press-fit engagement with the neck of the container, the closure flap has a circumference, at least a portion of which frangibly connected to the fitting ring and the frangible sealing membrane has a first face sealably connected to the rim of the neck opening and a second face on the opposite side of the membrane to the first face, connected to the closure flap. Depression of the closure flap into the neck opening causes the frangible portion of the circumference of the closure flap to break from the fitting ring and thereby break the frangible sealing membrane.
  • Opening of the closure on the container may thus be considered a "break and pour” method rather than a “remove and pour” method.
  • depression of the closure flap into the neck opening causes the frangible portion of the circumference of the closure flap to break from the fitting ring and thereby break the frangible sealing membrane. Breaking of the sealing membrane of the present invention provides evidence of when the closure has been opened. Thus, the present invention provides a tamper- evident closure.
  • the sealing membrane is sealably connected to the rim of the neck opening and/or is connected to the closure flap by induction sealing.
  • Induction sealing of the membrane to the rim of the neck opening may be performed by an induction sealer.
  • Induction sealing of the membrane to the closure flap may be performed by an induction sealer.
  • Induction sealers transmit an electro magnetic field which creates eddy currents in a metallic element (for example an aluminium foil) placed in the field. This causes the metallic element to heat and an adjacent layer of thermo-sealable plastics material to soften and/or melt and connect for example, to the rim and/or to the closure flap.
  • Automatic induction sealer systems may also have a cooling section. This cools the thermo-sealable plastics material when connected to the rim and/or to the closure flap.
  • the sealing membrane is a tri-layer membrane consisting of an aluminium foil with layers of thermo-sealable plastics material on each side.
  • a tri-layer membrane is suitable for induction sealing to the rim and/or closure flap.
  • Such a tri-layer membrane may be 0.07 mm to 0.150 mm thick, for example, about 0.135 mm thick.
  • Conventional sealing membranes usually have five layers being a paper board layer, a wax layer, a polyester layer, an aluminium foil layer and a thermo- sealable plastics layer and may have a thickness of about 1.5 mm. Such wads are not easily broken, whereas the frangible sealing membrane of the present invention may be broken by depression of the closure flap.
  • the closure flap has a circumference, a portion of which is hingeably connected to the fitting ring and the remaining portion of the circumference is frangibly connected to the fitting ring whereby depression of the closure flap into the neck opening causes the frangible portion of the circumference of the closure flap to break from the fitting ring, allowing the closure flap to move about the hinge portion into the neck opening of the container and thereby break the frangible sealing membrane.
  • the closure flap is not completely disconnected from the sealing ring.
  • the closure flap When the closure flap is moved into the neck opening of the container it may act as a flow regulator to regulate flow of material though the opening and out of the container. This may have an advantage of helping the user of the container to regulate flow of the material from the container. This is particularly beneficial if the material is liquid for example, a lubricating oil composition.
  • the closure flap is generally circular in shape.
  • the portion of the closure flap circumference which is hingeably connected to the fitting ring is generally straight.
  • closure flap and fitting ring are formed of a common material, (for example a plastics material) and the frangible connection between the portion of the closure flap circumference and the fitting ring is formed by a region of said material having a thickness which is less than that of the remainder of the closure flap.
  • a common material for example a plastics material
  • Suitable materials for the closure flap and fitting ring include polyethylene and polypropylene.
  • the fitting ring and the neck of the container may have a co-operating annular recess and protuberance to hold the fitting ring in press-fit engagement with the neck of the container.
  • the annular recess may be around the neck of the container with the protuberance around the fitting ring, or the recess may be around the fitting ring (for example around the inner face of a skirt on the fitting ring) and the protuberance may be around the neck of the container.
  • the annular recess is around the neck of the container with the protuberance around the fitting ring.
  • the co-operating annular recess and protuberance have axialiy angled opposing surfaces.
  • the axialiy angled surfaces have an angle relative to the axis of the rim of the neck opening of the container of from greater than 0° and up to 90° (i.e.
  • the axial force provided by the axially angled surfaces may be sufficient that no axial force other than that provided by the opposing surfaces of the axially angled opposing surfaces of the recess and protuberance need be applied to the closure during induction sealing of the frangible membrane.
  • Suitable liquids include functional fluids and lubricating oil compositions.
  • Suitable functional fluids include anti-freeze compositions, brake fluids and the like, which may be used for automotive applications.
  • Suitable lubricating oil compositions include lubricating oil compositions for internal combustion engines.
  • Suitable sizes of container are 1 litre or less.
  • Suitable materials for the container include high density polyethylenes (HDPE), polypropylenes (PP) and polyethylene terephthalates (PET).
  • HDPE high density polyethylenes
  • PP polypropylenes
  • PET polyethylene terephthalates
  • the closure may be manufactured to include a trade mark, logo or other
  • the closure may be printed with a trade mark, logo or other distinguishing feature.
  • the printing may be uv printing. This has an advantage of further deterring counterfeiting.
  • the closure may be of a single colour or multi-coloured.
  • the trademark, logo or other distinguishing feature may of the same colour and/or material as the rest of the closure or a different colour and/or material as the rest of the closure.
  • Figure 1 represents in schematic cross-section a closure and container combination according to the present invention
  • Figure 2 represents in isometric view a closure for use in the present invention
  • Figure 3 is a back view (elevation) of the closure of Figure 2
  • Figure 4 is a cross-section view along line A-A of the closure in Figure 3.
  • the closure and container combination comprises a container (1) having a neck (2).
  • the neck (2) has an opening (3) defined by a rim (4).
  • the combination also comprises a tamper-evident closure (5) which comprises a closure flap (6), a fitting ring (7) and a frangible sealing membrane (8).
  • the fitting ring (7) is in press-fit engagement with the neck (2) of the container (1).
  • the closure flap (6) has a circumference, a portion (9) of which is hingeably connected to the fitting ring and the remaining portion (10) of the circumference is frangible connected to the fitting ring (7).
  • the frangible sealing membrane (8) has a first face (11) sealably connected to the rim (4) 000418
  • the closure (5) has a trade mark, logo or other distinguishing feature (16).
  • depression of the closure flap (6) into the neck opening (3) causes the frangible portion (10) of the closure flap circumference to break from the fitting ring allowing the closure flap to move about the hinge portion (9) into the neck opening (3) of the container (1) and thereby break the sealing membrane (8)
  • the sealing membrane (8) is a tri-layer membrane consisting of an aluminium foil with layers of thermo-sealable plastics material on each side. Such a membrane may be about 0.135 mm thick.
  • the fitting ring (7) and neck (2) have a co-operating annular recess (14) and protuberance (13) to hold the fitting ring in press-fit engagement with the neck of the container.
  • the co-operating recess and protuberance have axially angled opposing surfaces (15).
  • These axially opposing surfaces may apply an axial force in the general direction B, to the fitting ring (7) forcing the closure flap (6) against the sealing membrane (8) and forcing the sealing membrane (8) against the rim (4) of the opening (3) of the container (1).
  • the sealing membrane may be sealably connected to the rim by induction sealing.
  • the sealing membrane may be connected to the closure flap by induction sealing.
  • the combination may be made in a method which comprises sealing the container with the tamper evident closure (5) in a method comprising press-fitting the fitting ring (7) into engagement with the neck (2) of the container (1) with
  • the frangible sealing membrane (8) having the first face (11) adjacent to the rim (4) of the neck opening (3) and the second face (12) on the opposite side of the membrane to the first face, adjacent to the closure flap (6);
  • frangible sealing membrane (8) may also be connected to the closure flap by induction sealing.
  • Suitable liquids include lubricating oil compositions.

Abstract

A closure and container (1) combination and method comprising: a container having a neck (2), the neck having an opening (3) defined by a rim (4); and a tamper- evident closure (5) comprising a closure flap (6), a fitting ring (7) and a frangible sealing membrane (8), the fitting ring (7) being in press -fit engagement with the neck (2) of the container (1); the closure flap (6) having a circumference, at least a portion (10) of which frangibly connected to the fitting ring (7); and the frangible sealing membrane (8) having a first face sealably connected to the rim of the neck opening (3) and a second face on the opposite side of the membrane (8) to the first face, connected to the closure flap; whereby depression of the closure flap (6) into the neck opening (3) causes the frangible portion (10) of the circumference of the closure flap (6) to break from the fitting ring (7) and thereby break the frangible sealing membrane (8).

Description

CLOSURE AND CONTAINER COMBINATION AND METHOD.
The present invention relates in general to an apparatus and in particular, to a closure and container combination. The present invention also relates to a method and in particular, to a method of sealing a container with a tamper-evident closure.
Closures for containers are known which have tamper evident and/or tamper proof features. Such features may be provided for safety reasons, for example closures for containers which are used with drugs or potentially harmful substances.
It is known to seal the opening of a container with a sealing membrane. Such membranes may be inductively sealed to the rim of the container opening. Such membranes may be covered with a cap, which might be a screw-type cap, which engages the neck of the container with a screw thread. To remove the membrane, the cap is first removed from the neck of the container. Then the sealing membrane may be removed from the opening. The cap may have tamper-evident features such as a tear strip or ring.
Thus, such closures require a two-step process for removal; that is, removal of the cap (first step) and then removal of the sealing membrane (second step).
There remains a need for a closure and container combination which overcomes this disadvantage.
Thus, according to the preset invention, there is provided a closure and container combination comprising:
a container having a neck, the neck having an opening defined by a rim; and
a tamper-evident closure comprising a closure flap, a fitting ring and a frangible sealing membrane,
the fitting ring being in press-fit engagement with the neck of the container;
the closure flap having a circumference, at least a portion of which frangibly connected to the fitting ring; and
the frangible sealing membrane having a first face sealably connected to the rim of the neck opening and a second face on the opposite side of the membrane to the first face, connected to the closure flap;
whereby depression of the closure flap into the neck opening causes the frangible portion of the circumference of the closure flap to break from the fitting ring and thereby break the frangible sealing membrane. Also according to the present invention there is provided a method of sealing a container with a tamper evident closure, in which
the container has a neck, the neck having an opening defined by a rim; and the tamper-evident closure comprises a closure flap, a fitting ring and a frangible sealing membrane;
the closure flap having a circumference, at least a portion of which is frangibly connected to the fitting ring; and
the fitting ring and neck of the container having a co-operable annular recess and protuberance having axially angled opposing surfaces,
the method comprising press-fitting the fitting ring into engagement with the neck of the container with:
the frangible sealing membrane having a first face adjacent to the rim of the neck opening and a second face on the opposite side of the membrane to the first face, adjacent to the closure flap;
the fitting ring being held in engagement with the neck of the container by the cooperating recess and protuberance;
and the axially angled opposing surfaces applying axial force to the ring and forcing the ring and closure flap against the sealing membrane and forcing the sealing membrane against the rim of the opening of the container,
and inductively sealing the frangible sealing membrane to the rim of the neck opening.
The present invention solves the technical problem identified above by using a tamper-evident closure comprising a closure flap, a fitting ring and a frangible sealing membrane, in which the fitting ring is in press-fit engagement with the neck of the container, the closure flap has a circumference, at least a portion of which frangibly connected to the fitting ring and the frangible sealing membrane has a first face sealably connected to the rim of the neck opening and a second face on the opposite side of the membrane to the first face, connected to the closure flap. Depression of the closure flap into the neck opening causes the frangible portion of the circumference of the closure flap to break from the fitting ring and thereby break the frangible sealing membrane. This is a single step to open the container and allow any contents therein to be dispensed. Opening of the closure on the container may thus be considered a "break and pour" method rather than a "remove and pour" method. In the closure and container combination of the present invention depression of the closure flap into the neck opening causes the frangible portion of the circumference of the closure flap to break from the fitting ring and thereby break the frangible sealing membrane. Breaking of the sealing membrane of the present invention provides evidence of when the closure has been opened. Thus, the present invention provides a tamper- evident closure.
Preferably, the sealing membrane is sealably connected to the rim of the neck opening and/or is connected to the closure flap by induction sealing. Induction sealing of the membrane to the rim of the neck opening may be performed by an induction sealer. Induction sealing of the membrane to the closure flap may be performed by an induction sealer. Induction sealers transmit an electro magnetic field which creates eddy currents in a metallic element (for example an aluminium foil) placed in the field. This causes the metallic element to heat and an adjacent layer of thermo-sealable plastics material to soften and/or melt and connect for example, to the rim and/or to the closure flap. Automatic induction sealer systems may also have a cooling section. This cools the thermo-sealable plastics material when connected to the rim and/or to the closure flap.
Suitably, the sealing membrane is a tri-layer membrane consisting of an aluminium foil with layers of thermo-sealable plastics material on each side. Such a tri-layer membrane is suitable for induction sealing to the rim and/or closure flap. Such a tri-layer membrane may be 0.07 mm to 0.150 mm thick, for example, about 0.135 mm thick.
Conventional sealing membranes (sometimes called wads) usually have five layers being a paper board layer, a wax layer, a polyester layer, an aluminium foil layer and a thermo- sealable plastics layer and may have a thickness of about 1.5 mm. Such wads are not easily broken, whereas the frangible sealing membrane of the present invention may be broken by depression of the closure flap.
Preferably, the closure flap has a circumference, a portion of which is hingeably connected to the fitting ring and the remaining portion of the circumference is frangibly connected to the fitting ring whereby depression of the closure flap into the neck opening causes the frangible portion of the circumference of the closure flap to break from the fitting ring, allowing the closure flap to move about the hinge portion into the neck opening of the container and thereby break the frangible sealing membrane. In this embodiment, the closure flap is not completely disconnected from the sealing ring. When the closure flap is moved into the neck opening of the container it may act as a flow regulator to regulate flow of material though the opening and out of the container. This may have an advantage of helping the user of the container to regulate flow of the material from the container. This is particularly beneficial if the material is liquid for example, a lubricating oil composition.
Preferably, the closure flap is generally circular in shape. Preferably, the portion of the closure flap circumference which is hingeably connected to the fitting ring is generally straight.
Suitably the closure flap and fitting ring are formed of a common material, (for example a plastics material) and the frangible connection between the portion of the closure flap circumference and the fitting ring is formed by a region of said material having a thickness which is less than that of the remainder of the closure flap.
Suitable materials for the closure flap and fitting ring include polyethylene and polypropylene.
Suitably, the fitting ring and the neck of the container may have a co-operating annular recess and protuberance to hold the fitting ring in press-fit engagement with the neck of the container. The annular recess may be around the neck of the container with the protuberance around the fitting ring, or the recess may be around the fitting ring (for example around the inner face of a skirt on the fitting ring) and the protuberance may be around the neck of the container. Preferably, the annular recess is around the neck of the container with the protuberance around the fitting ring.
Preferably, the co-operating annular recess and protuberance have axialiy angled opposing surfaces. The axialiy angled surfaces have an angle relative to the axis of the rim of the neck opening of the container of from greater than 0° and up to 90° (i.e.
perpendicular). When the closure is engaged with the container, such axialiy angled opposing surfaces may apply axial force to the ring and closure flap forcing the ring and closure flap against the sealing membrane and forcing the sealing membrane against the rim of the neck opening of the container. This has an advantage that if the sealing membrane is to be sealably connected to the rim by induction sealing in the method of the present invention, the axial force may assist during the induction sealing process. If the sealing membrane is also connected to the closure flap by induction sealing, the axial force may also assist during this induction sealing process. The axial force provided by the axially angled surfaces may be sufficient that no axial force other than that provided by the opposing surfaces of the axially angled opposing surfaces of the recess and protuberance need be applied to the closure during induction sealing of the frangible membrane.
Suitably, the closure and container combination of the present invention may be used for liquids. Suitable liquids include functional fluids and lubricating oil compositions. Suitable functional fluids include anti-freeze compositions, brake fluids and the like, which may be used for automotive applications. Suitable lubricating oil compositions include lubricating oil compositions for internal combustion engines.
Suitable sizes of container are 1 litre or less.
Suitable materials for the container include high density polyethylenes (HDPE), polypropylenes (PP) and polyethylene terephthalates (PET).
The closure may be manufactured to include a trade mark, logo or other
distinguishing feature. The closure may be printed with a trade mark, logo or other distinguishing feature. The printing may be uv printing. This has an advantage of further deterring counterfeiting. The closure may be of a single colour or multi-coloured. The trademark, logo or other distinguishing feature may of the same colour and/or material as the rest of the closure or a different colour and/or material as the rest of the closure.
The invention will now be described by way of example only and with reference to Figures 1 to 4 in which Figure 1 represents in schematic cross-section a closure and container combination according to the present invention, Figure 2 represents in isometric view a closure for use in the present invention, Figure 3 is a back view (elevation) of the closure of Figure 2 and Figure 4 is a cross-section view along line A-A of the closure in Figure 3.
Referring to the drawings in which common features are identified generally with the same reference numeral: the closure and container combination comprises a container (1) having a neck (2). The neck (2) has an opening (3) defined by a rim (4). The combination also comprises a tamper-evident closure (5) which comprises a closure flap (6), a fitting ring (7) and a frangible sealing membrane (8). In the combination, the fitting ring (7) is in press-fit engagement with the neck (2) of the container (1). The closure flap (6) has a circumference, a portion (9) of which is hingeably connected to the fitting ring and the remaining portion (10) of the circumference is frangible connected to the fitting ring (7). The frangible sealing membrane (8) has a first face (11) sealably connected to the rim (4) 000418
6
of the neck opening (3) and a second face (12) on the opposite side of the membrane to the first face, connected to the closure flap (6).
The closure (5) has a trade mark, logo or other distinguishing feature (16).
In the combination, depression of the closure flap (6) into the neck opening (3) causes the frangible portion (10) of the closure flap circumference to break from the fitting ring allowing the closure flap to move about the hinge portion (9) into the neck opening (3) of the container (1) and thereby break the sealing membrane (8)
The sealing membrane (8) is a tri-layer membrane consisting of an aluminium foil with layers of thermo-sealable plastics material on each side. Such a membrane may be about 0.135 mm thick.
The fitting ring (7) and neck (2) have a co-operating annular recess (14) and protuberance (13) to hold the fitting ring in press-fit engagement with the neck of the container. The co-operating recess and protuberance have axially angled opposing surfaces (15).
These axially opposing surfaces may apply an axial force in the general direction B, to the fitting ring (7) forcing the closure flap (6) against the sealing membrane (8) and forcing the sealing membrane (8) against the rim (4) of the opening (3) of the container (1).
The sealing membrane may be sealably connected to the rim by induction sealing. The sealing membrane may be connected to the closure flap by induction sealing.
The combination may be made in a method which comprises sealing the container with the tamper evident closure (5) in a method comprising press-fitting the fitting ring (7) into engagement with the neck (2) of the container (1) with
the frangible sealing membrane (8) having the first face (11) adjacent to the rim (4) of the neck opening (3) and the second face (12) on the opposite side of the membrane to the first face, adjacent to the closure flap (6);
the fitting ring (7) being held in engagement with the neck (2) of the container (1) by the co-operating recess (14) and protuberance (13);
and the axially angled opposing surfaces (15) applying axial force in the general
direction B to the ring (7) and forcing the fittmg ring (7) and closure flap (6) against the sealing membrane (8) and forcing the sealing membrane (8) against the rim (4) of the opening of the container,
and inductively sealing the frangible sealing membrane (8) to the rim (4) of the neck opening (3).
In the method the frangible sealing membrane (8) may also be connected to the closure flap by induction sealing.
In the method no axial force other than that provided by the opposing surfaces (15) of the axially angled opposing surfaces of the recess and protuberance may be applied to the closure (5) during induction sealing of the frangible membrane (8) against the rim (4) of the neck opening (3) of the container.
The closure and container combination shown in the drawings may be used for liquids. Suitable liquids include lubricating oil compositions.

Claims

Claims:
1. A closure and container combination comprising:
a container having a neck, the neck having an opening defined by a rim; and
a tamper-evident closure comprising a closure flap, a fitting ring and a frangible sealing membrane,
the fitting ring being in press-fit engagement with the neck of the container;
the closure flap having a circumference, at least a portion of which frangibly connected to the fitting ring; and
the frangible sealing membrane having a first face sealably connected to the rim of the neck opening and a second face on the opposite side of the membrane to the first face, connected to the closure flap;
whereby depression of the closure flap into the neck opening causes the frangible portion of the circumference of the closure flap to break from the fitting ring and thereby break the frangible sealing membrane.
2. A closure and container combination as claimed in claim 1 in which the closure flap has a circumference, a portion of which is hingeably connected to the fitting ring and the remaining portion of the circumference is frangibly connected to the fitting ring whereby depression of the closure flap into the neck opening causes the frangible portion of the circumference of the closure flap to break from the fitting ring, allowing the closure flap to move about the hinge portion into the neck opening of the container and thereby break the frangible sealing membrane.
3. A closure and container combination as claimed in claim 1 or claim 2 in which the fitting ring and neck of the container have a co-operating annular recess and protuberance to hold the fitting ring in press-fit engagement with the neck of the container.
4. A closure and container combination as claimed in claim 3 in which the co-operating annular recess and protuberance have axially angled opposing surfaces.
5. A closure and container combination as claimed in claim 4 in which the axially opposing surfaces apply axial force to the fitting ring forcing the closure flap against the sealing membrane and forcing the sealing membrane against the rim of the opening of the container.
6. A closure and container combination as claimed in claim 5 in which the sealing membrane is sealably connected to the rim by induction sealing.
7. A closure and container combination as claimed in claim 6 in which the sealing membrane is connected to the closure flap by induction sealing.
8. A closure and container combination as claimed in claim 6 or claim 7 in which the sealing membrane is a tri-layer membrane consisting of an aluminium foil with layers of thermo-sealable plastics material on each side.
9. A method of sealing a container with a tamper evident closure, in which
the container has a neck, the neck having an opening defined by a rim; and
the tamper-evident closure comprises a closure flap, a fitting ring and a frangible sealing membrane ;
the closure flap having a circumference, at least a portion of which is frangibly connected to the fitting ring; and
and the fitting ring and neck of the container having a co-operable annular recess and protuberance having axially angled opposing surfaces,
the method comprising press-fitting the fitting ring into engagement with the neck of the container with:
the frangible sealing membrane having a first face adjacent to the rim of the neck opening and a second face on the opposite side of the membrane to the first face, adjacent to the closure flap;
the fitting ring being held in engagement with the neck of the container by the cooperating recess and protuberance;
and the axially angled opposing surfaces applying axial force to the ring and forcing the ring and closure flap against the sealing membrane and forcing the sealing membrane against the rim of the opening of the container,
and inductively sealing the frangible sealing membrane to the rim of the neck opening.
10. A method as claimed in claim 9 in which the frangible sealing membrane is connected to the closure flap by induction sealing.
11. A method as claimed in claim 9 or claim 10 in which no axial force other than that provided by the opposing surfaces of the axially angled opposing surfaces of the recess and protuberance is applied to the closure during induction sealing of the frangible membrane.
PCT/GB2011/000418 2010-04-09 2011-03-23 Closure and container combination and method WO2011124874A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN875DE2010 2010-04-09
IN875/DEL/2010 2010-04-09

Publications (1)

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WO2021102429A1 (en) * 2019-11-21 2021-05-27 Si-Bone Inc. Rod coupling assemblies for bone stabilization constructs
US11071573B2 (en) 2014-09-18 2021-07-27 Si-Bone Inc. Matrix implant
US11116519B2 (en) 2017-09-26 2021-09-14 Si-Bone Inc. Systems and methods for decorticating the sacroiliac joint
US11147688B2 (en) 2013-10-15 2021-10-19 Si-Bone Inc. Implant placement
US11234830B2 (en) 2019-02-14 2022-02-01 Si-Bone Inc. Implants for spinal fixation and or fusion
US11291485B2 (en) 2012-05-04 2022-04-05 Si-Bone Inc. Fenestrated implant
US11337821B2 (en) 2012-03-09 2022-05-24 Si-Bone Inc. Integrated implant
US11369419B2 (en) 2019-02-14 2022-06-28 Si-Bone Inc. Implants for spinal fixation and or fusion
US11471286B2 (en) 2012-03-09 2022-10-18 Si-Bone Inc. Systems, devices, and methods for joint fusion
US11571245B2 (en) 2019-11-27 2023-02-07 Si-Bone Inc. Bone stabilizing implants and methods of placement across SI joints
US11633292B2 (en) 2005-05-24 2023-04-25 Si-Bone Inc. Apparatus, systems, and methods for the fixation or fusion of bone
US11684378B2 (en) 2014-09-18 2023-06-27 Si-Bone Inc. Implants for bone fixation or fusion
US11752011B2 (en) 2020-12-09 2023-09-12 Si-Bone Inc. Sacro-iliac joint stabilizing implants and methods of implantation
US11980399B2 (en) 2021-03-30 2024-05-14 Si-Bone Inc. Implants for spinal fixation or fusion

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US11633292B2 (en) 2005-05-24 2023-04-25 Si-Bone Inc. Apparatus, systems, and methods for the fixation or fusion of bone
US11337821B2 (en) 2012-03-09 2022-05-24 Si-Bone Inc. Integrated implant
US11672664B2 (en) 2012-03-09 2023-06-13 Si-Bone Inc. Systems, devices, and methods for joint fusion
US11471286B2 (en) 2012-03-09 2022-10-18 Si-Bone Inc. Systems, devices, and methods for joint fusion
US11478287B2 (en) 2012-05-04 2022-10-25 Si-Bone Inc. Fenestrated implant
US11446069B2 (en) 2012-05-04 2022-09-20 Si-Bone Inc. Fenestrated implant
US11291485B2 (en) 2012-05-04 2022-04-05 Si-Bone Inc. Fenestrated implant
US11147688B2 (en) 2013-10-15 2021-10-19 Si-Bone Inc. Implant placement
US11071573B2 (en) 2014-09-18 2021-07-27 Si-Bone Inc. Matrix implant
US11684378B2 (en) 2014-09-18 2023-06-27 Si-Bone Inc. Implants for bone fixation or fusion
US11116519B2 (en) 2017-09-26 2021-09-14 Si-Bone Inc. Systems and methods for decorticating the sacroiliac joint
US11877756B2 (en) 2017-09-26 2024-01-23 Si-Bone Inc. Systems and methods for decorticating the sacroiliac joint
US11369419B2 (en) 2019-02-14 2022-06-28 Si-Bone Inc. Implants for spinal fixation and or fusion
US11234830B2 (en) 2019-02-14 2022-02-01 Si-Bone Inc. Implants for spinal fixation and or fusion
US11678997B2 (en) 2019-02-14 2023-06-20 Si-Bone Inc. Implants for spinal fixation and or fusion
WO2021102429A1 (en) * 2019-11-21 2021-05-27 Si-Bone Inc. Rod coupling assemblies for bone stabilization constructs
US11571245B2 (en) 2019-11-27 2023-02-07 Si-Bone Inc. Bone stabilizing implants and methods of placement across SI joints
US11672570B2 (en) 2019-11-27 2023-06-13 Si-Bone Inc. Bone stabilizing implants and methods of placement across SI Joints
US11752011B2 (en) 2020-12-09 2023-09-12 Si-Bone Inc. Sacro-iliac joint stabilizing implants and methods of implantation
US11980399B2 (en) 2021-03-30 2024-05-14 Si-Bone Inc. Implants for spinal fixation or fusion

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