EP3068705B1 - Behälter - Google Patents

Behälter Download PDF

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Publication number
EP3068705B1
EP3068705B1 EP14809670.4A EP14809670A EP3068705B1 EP 3068705 B1 EP3068705 B1 EP 3068705B1 EP 14809670 A EP14809670 A EP 14809670A EP 3068705 B1 EP3068705 B1 EP 3068705B1
Authority
EP
European Patent Office
Prior art keywords
container
sealing element
side wall
shell
mounting portion
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.)
Active
Application number
EP14809670.4A
Other languages
English (en)
French (fr)
Other versions
EP3068705A1 (de
Inventor
Henry William SLACK
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.)
Frugalpac 2 Ltd
Original Assignee
Frugalpac Ltd
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 Frugalpac Ltd filed Critical Frugalpac Ltd
Priority to PL14809670T priority Critical patent/PL3068705T3/pl
Publication of EP3068705A1 publication Critical patent/EP3068705A1/de
Application granted granted Critical
Publication of EP3068705B1 publication Critical patent/EP3068705B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • 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
    • B65D43/02—Removable lids or covers
    • 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
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/14—Linings or internal coatings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44D—PAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES
    • B44D3/00—Accessories or implements for use in connection with painting or artistic drawing, not otherwise provided for; Methods or devices for colour determination, selection, or synthesis, e.g. use of colour tables
    • B44D3/12—Paint cans; Brush holders; Containers for storing residual paint
    • B44D3/128—Wiping bars; Rim protectors; Drip trays; Spill catchers
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B65D21/00—Nestable, stackable or joinable containers; Containers of variable capacity
    • B65D21/02—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together
    • B65D21/0233—Nestable containers
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    • B65D43/0212—Removable lids or covers without integral tamper element secured by snapping over beads or projections only on the outside, or a part turned to the outside, of the mouth
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    • B65D45/20—Clips, hooks, or clamps which are removable, or which remain connected either with the closure or with the container when the container is open, e.g. C-shaped pivoted
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    • B65D45/00—Clamping or other pressure-applying devices for securing or retaining closure members
    • B65D45/32—Clamping or other pressure-applying devices for securing or retaining closure members for applying radial or radial and axial pressure, e.g. contractible bands encircling closure member
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    • B65D2543/00787—Periphery concerned
    • B65D2543/00796—Totality
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00824—Means for facilitating removing of the closure
    • B65D2543/00833—Integral tabs, tongues, handles or similar
    • B65D2543/00842—Integral tabs, tongues, handles or similar outside of the lid
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00953—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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00953—Sealing means
    • B65D2543/00962—Sealing means inserted
    • B65D2543/00972—Collars or rings
    • 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
    • B65D2565/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D2565/38—Packaging materials of special type or form
    • B65D2565/381—Details of packaging materials of special type or form
    • B65D2565/385—Details of packaging materials of special type or form especially suited for or with means facilitating recycling

Definitions

  • This invention relates to a sealing element for a container, to a container including a sealing element and to a method of forming a container including a sealing element.
  • Containers for hazardous liquids such as paints are difficult to dispose of in an environmentally safe manner and very few containers are recycled due to contamination by the paint, oil or other similar substance.
  • Known paint pots and similar containers filled with environmentally hazardous liquids are typically made from a semi-rigid plastics material or from metal. After use, the pot remains contaminated with paint residue or similar and the entire container must be disposed of in a suitable manner depending on the type of hazardous liquid. Often the containers end up in a specialist landfill. However, the cost associated with dealing with these containers means that it is becoming increasingly difficult to dispose of them in a convenient and cost effective way.
  • the contents of the container are not used all at one time and it is necessary, therefore, to be able to repeatedly reseal the container and prevent the liquid contents evaporating or drying between uses. It is often difficult, however, to form a good seal, i.e. a liquid-proof seal, between a container formed of paperboard or laminated paperboard and a lid if it is necessary to be able to repeatedly remove the lid from the container.
  • a good seal i.e. a liquid-proof seal
  • a tamper-proof closure for a container is disclosed in WO 96/19388 , disclosing a sealing element and a container according to the preambles of claims 1 and 9, respectively. Further,
  • WO 2013/036820 discloses lined containers having liquid tight closing devices that are both removable and resealable.
  • an object of the present invention to provide a sealing element for a container that enables reliable and repeated sealing of the container.
  • a sealing element according to claim 1.
  • These retaining means may be integrally formed with the securing portion and/or the mounting portion or, alternatively, the retaining means may be separate from the rest of the sealing element.
  • the annular member preferably comprises a wall portion that, in use, extends down over an interior surface of the side wall of the container. Furthermore it is preferable if, in use, when the securing portion is in the second position, the securing portion extends down over an exterior surface of the side wall of the container.
  • the container may include a downwardly facing abutment shoulder or edge on an external side of the side wall proximate the top edge. This may be provided, for example, by a rolled rim of the container or a downwardly extending skirt portion at the top of the side wall of the container.
  • the securing portion of the sealing element preferably comprises a detent configured to engage with said shoulder or edge when the securing portion is in the second position, thereby preventing the mounting portion from being disengaged from said top edge.
  • the securing portion comprises a plurality of tabs, each tab being hingedly connected to the annular member.
  • the tabs are spaced around and extend from a periphery of the annular member.
  • Each of the tabs may include a channel or recess for receiving a part of a retaining means in embodiments in which this is provided.
  • the mounting portion, engagement portion and securing portion are preferably integrally formed and are parts of a unitary piece.
  • the mounting portion may comprise attachment means for attaching a handle to the sealing element.
  • the attachment means may allow a handle to be pivotally attached to the sealing element.
  • a container comprising:
  • the container further comprises a lining covering internal or interior surfaces of said shell.
  • the lining is made of a thin film plastics material
  • the sealing element is made of a relatively rigid plastics material.
  • the annular member of the mounting portion preferably comprises a wall portion that, in use, extends down over an interior surface of the side wall of the shell.
  • the lining is preferably bonded to the wall portion.
  • the container may be for storing at least one of paint, varnish, woodcare liquid, adhesive, filler and putty.
  • a container comprising:
  • the mounting portion of the sealing element comprises a wall portion and the container further comprises a lining covering interior surfaces of said shell.
  • the method preferably comprises seating the mounting portion such that the wall portion extends down over an interior surface of the side wall and an upper region of said lining is located between the side wall and the wall portion of the sealing element, and bonding the wall portion of the sealing element to said lining.
  • the securing portion comprises a plurality of tabs hingedly connected to the mounting portion.
  • the method therefore, preferably comprises moving each of said tabs from the first position to the second position once the mounting portion has been engaged with the top edge of the shell.
  • the securing portion may comprise a channel for receiving said strap. Accordingly, in these embodiments, the method comprises placing the strap in the channel and adjusting the strap such that the strap applies a force to the securing portion to retain the securing portion in the second position.
  • FIGs 1 , 2 and 7 illustrate a first preferred embodiment of a container 1 comprising a sealing element 2 according to the present invention.
  • the container 1 includes a main body 4 and a lid 6.
  • the main body 4 comprises an outer shell 8 made from a paperboard material, an inner lining 10 made from a thin film plastics material and the sealing element 2 made from a plastics material.
  • the container 1 also comprises a handle 12 (shown in Figure 1 ).
  • the sealing element 2 is designed to engage with a complementary sealing element 14 on the lid 6 in such a way as to enable repeated engagement and disengagement of the lid 6 with the main body 4 of the container 1. This allows the container 1 to be opened, some of the contents to be removed and the container 1 to be resealed in a reliable manner. Furthermore, the seal that is formed between the sealing element 2 and the lid 4 is such that any liquid contents of the container 1 cannot leak from the container.
  • Figure 1 shows a container 1 according to a first preferred embodiment of the present invention.
  • the container 1 is in the form of a paint pot or other similar container that may hold liquid or semi-liquid products, for example paint or varnish.
  • the container may also be used to hold other products such as pastes, e.g. grout, or colloidal suspensions, e.g. hand creams.
  • the container may be designed to contain and store hazardous or non-hazardous products such as paints, cleaning products, cosmetics and foodstuffs.
  • the outer shell 8 of the container 1 is made from a suitable paperboard or cardboard material with no wax or plastics coating or lamination.
  • the shell 8 comprises a base 16 and a side wall 18, the side wall 18 extending fully around the periphery of the base 16 and extending upwards from the base.
  • the base 16 and side wall 18 thereby define an interior volume of the main body 4 of the container 1, as shown most clearly in Figures 2 and 7 .
  • the outer shell 8 is made from sheet paperboard that has been folded and glued to form the final shape of the shell.
  • a first sheet of paperboard is cut and folded to form the base 16 of the shell 8
  • a second sheet of paperboard is cut and folded to form the side wall 18 of the shell 8.
  • the base 16 is adhered to the side wall 18 around a bottom edge 20 of the container 1.
  • the base 16 has a rounded rectangular shape and the side wall 18 includes curved corner panels 22 and substantially straight side panels 24.
  • the shell 8 is manufactured such that, initially, the height of each of the side panels 24 is greater than the height of each of the corner panels 22; the corner panels 22 each being of a first height and the side panels 24 each being of a second height. In this way, tab portions 25 of the side panels 24 extend upwards beyond the height of the corner panels 22.
  • the tab portions 25 are folded outwards as indicated by the arrows in Figure 3 .
  • the tab portions 25 form skirt portions 26 that extend downwards on an exterior side of the side panels 24.
  • the folded or curved top edge 28 of each of the skirt portions 26 preferably lies flush with a top edge 30 of each of the corner panels 22, thereby forming a continuous top edge or rim 32 of the shell 8; however, the top edge 28 of each of the side panels 24 may lie above the top edge 30 of the corner panels 22 as shown in Figure 1 .
  • outer shell 8 is made from a cardboard or paperboard material, in other embodiments the outer shell 8 may be made from a plastics material.
  • the sealing element or collar 2 shown most clearly in Figures 4 to 7 , includes an annular member 34 that attaches to and extends around the rim 32 of the shell 8 of the container 1. Accordingly, in this example, the annular member 34 is substantially non-circular, having a rounded rectangular shape comprising corner regions 36 and side regions 38.
  • the sealing element 2 comprises a mounting portion 40, a securing portion 42 and engagement means 44.
  • the mounting portion 40 includes a first, inner annular wall 46, and a second outer annular wall 48.
  • the inner and outer annular walls 46, 48 are connected at their respective top edges, thereby defining a channel 50 between them that extends fully around the sealing element 2.
  • a first part of the engagement means 44 in the form of a rail member 52, extends upwards from the mounting portion 40.
  • the rail member 52 extends continuously around the sealing element 2.
  • a second part of the engagement means 44 in the form of a rib or barb 54, projects from an outer surface of the outer annular wall 48 of the mounting portion 40.
  • the engagement means 44 is designed to engage with a complementary sealing element 14 on the lid 6 of the container 1, as described further below.
  • the arrangement of the rail member 52 and the inner and outer annular walls 46, 48 is such that a vertical cross-section through the mounting portion 40 and engagement means 44 is substantially wishbone-shaped.
  • the securing portion 42 is connected to the outer annular wall 48 of the mounting portion 40.
  • the securing portion 42 is arranged to engage with the skirt portion 26 of the shell 8 to secure the sealing element 2 to the shell 8.
  • the securing portion 42 comprises a substantially U-shaped channel member 56 having two parallel arm members 58, 60 that extend along the length of the channel member 56 and a base member 62 connecting the two arm members 58, 60, such that an opening 63 is defined between the arm members 58, 60.
  • An edge of a first one of the arm members 58 is hingedly connected to the outer annular wall 48 of the mounting portion 40.
  • An edge 64 of the other one of the arm members 60 is a free edge 64.
  • the annular member 34 of the sealing element 2 is a unitary member and the arm member 58 is hingedly connected to the outer annular wall 48 by a natural or live hinge 66 formed in the plastics material of the sealing element 2.
  • the hinged connection may be formed in any other suitable way.
  • the connection between the mounting portion 40 and the securing portion 42 may be made in any suitable way that enables pivoting or rotation of the securing portion 42 with respect to the mounting portion 40.
  • the hinged connection enables the securing portion 42 of the sealing element 2 to rotate with respect to the mounting portion 40 between a disengaged position, shown most clearly in Figure 4 , and an engaged position, shown most clearly in Figure 5 .
  • the securing portion 42 In the disengaged position the securing portion 42 is positioned on an external side of the mounting portion 40, with the channel 50 of the mounting portion 40 and the opening 63 of the securing portion 42 oriented in the same direction.
  • the securing portion is 42 is positioned below the mounting portion 40 so that the channel 50 of the mounting portion 40 and the opening 63 of the securing portion 42 are oriented in opposite directions.
  • the arm member 58 is substantially continuous with the outer annular wall 48 of the mounting portion 40, and the free edge 64 of the arm member 60 is located between the inner and outer annular walls 46, 48.
  • the mounting portion 40 is pressed over the top edge 28 of each of the skirt portions 26.
  • the securing portion 42 is then moved from the disengaged position to the engaged position such that the channel member 56 locates around and under the skirt portion.
  • the skirt portion 26 of the shell 8 is located in the opening 63 of the securing portion 42 and the arm member 60 is located between the side panel 24 and the skirt portion 26 of the shell 8.
  • the retaining means is in the form of a length of adhesive tape (not shown) that is placed fully around the sealing element 2 in contact with the outer annular wall 48 and all of the arm members 58. With the tape adhered to the sealing element 2 in this way, the securing portions 42 are then unable to move out of their engaged positions back to the disengaged positions without first removing the retaining means.
  • the sealing element 2 further comprises attachment means 68 in the form of a pair of mounting tabs or brackets 68 to which the handle 12 may be attached.
  • the mounting tabs 68 are positioned centrally along opposing side regions of the annular member 34.
  • Each of the mounting tabs 68 includes a hole 70 for engagement with a part of the handle 12.
  • the handle 12 is substantially U-shaped and is formed of a suitable plastics material. In preferred embodiments the handle 12 is made of the same plastics material as the sealing element 2.
  • the handle 12 includes two arm portions 72, one extending from either end of a central gripping portion 74. At a free end of each of the arm portions there is an inwardly projecting pin or trunnion 76.
  • each of the trunnions 76 locates in a respective one of the holes 70 in the mounting tabs 68 of the sealing element 2. In this way, a pivotal connection is made between the handle 12 and the main body 4 of the container 1.
  • the lid 6 includes a sealing element 14 that engages with the engagement means 44 of the sealing element 2 when the lid 6 is placed onto the main body 4 of the container.
  • the sealing element 14 of the lid 6 comprises a channel portion 78 that is sized to receive the rail member 52, and an inwardly extending projection or barb 80 on an internal surface of an outer side wall 82.
  • the outer side wall 82 is able to resiliently flex such that the barb 80 of the sealing element 14 engages with the barb 54 of the sealing element 2 to retain the lid 6 on the main body 4, as shown in Figure 6 .
  • the lid 6 can be removed from the main body 4 by flexing the outer side wall 82 to disengage the barbs 54, 80 and then pulling the lid 6 in an upwards direction to remove the rail member 52 from the channel portion 78.
  • both the sealing elements 2, 14 are formed from a suitable plastics material, the engagement and seal between the sealing elements 2, 14 can be repeatedly formed during use of the container 1.
  • the main body of the container includes an inner lining 10 made from a thin film plastics material, shown in Figure 1 .
  • This lining 10 acts as a barrier layer preventing leaking of the contents of the container 1 through the paperboard shell 8.
  • the barrier properties of the lining 10 may additionally prevent moisture or gasses entering or leaving the container 1 which may spoil or degrade the contents of the container 1.
  • water-based paints are typically flushed with formaldehyde, or a similar substance, immediately before being sealed within a container to prevent the growth of fungus or bacteria in the paint.
  • formaldehyde or a similar substance
  • the barrier properties of the lining 10 must be tailored to prevent gas permeation through the lining 10.
  • the lining 10 is made from thin-film polyethylene; however, the lining 10 may be made from any suitable thin-film plastics material.
  • the lining 10 is a laminate formed of a number of plastics materials. These laminates may include a gas barrier material such as EVOH that will, amongst other things, prevent paint odours being released from the container 1.
  • the laminates may additionally or alternatively include a nylon layer which provides tear resistance.
  • the thickness of the lining 10 is less than 200 ⁇ m, and more particularly around 100 ⁇ m. The thinner the lining 10 the lower the cost of materials and the less waste that is formed.
  • the lining 10 should be thick enough that it does not tear during the manufacturing process or during use of the container 1, e.g. when the contents are being stirred, and in particular during removal of the lining 10 from the shell 8, as described below.
  • the lining 10 is inserted into and secured to the shell 8 of the container 1 after the sealing element 2 has been secured to the rim 32.
  • a pre-formed lining 10 that at least substantially conforms to the internal shape of the shell 8 is then positioned within the interior of the shell 8, and subsequently the lining 10 is adhered to the internal surfaces 47 of the side wall of the shell 8, an internal surface 84 of the base 16 of the shell 8 and the inner annular wall 46 of the sealing element 2.
  • the lining 10 is secured to the shell 8 and the sealing element 2 using a suitable adhesive.
  • the adhesive should have a low peel strength but a moderate shear strength, similar to the adhesive used on Post-It (RTM) Notes.
  • the moderate shear strength of the adhesive means that the thin-film lining 10 will remain adhered to the internal surfaces 47, 84 of the outer shell 8 during use of the container 1. Additionally, because the containers 1 may be nested during transportation or storage before filling, it is important that, when the nested containers 1 are separated from each other, the lining 10 does not get pulled away from the outer shell 8.
  • the low peel strength means that minimal force is required to peel the lining 10 away from the outer shell 8 after use, in order to dispose of and recycle the lining 10 and the outer shell 8 separately.
  • the peel strength of the adhesive use to bond the lining 10 to the shell 8 is less than 0.05 N, and more preferably between 0.02 N and 0.04 N.
  • the adhesive is heat activated.
  • a heat activated adhesive means that the adhesive is only tacky when heated above a certain temperature. In this way, the lining 10 may be inserted into the shell 8 in a non-activated state in which the adhesive is not tacky. Once the lining 10 is correctly positioned within the shell 8, heat is then applied to increase the temperature and cause activation of the adhesive. The activated adhesive, which is tacky, then adheres the lining 10 to the internal surfaces 47, 84 of the shell 8 and the inner annular wall 46 of the sealing element 2.
  • the adhesive may be pressure activated. As such, the adhesive only becomes tacky once a sufficient pressure has been applied to it. In yet other embodiments the adhesive may be pressure and heat activated.
  • the advantage of using an activated adhesive is that neither the internal surfaces 84 of the shell 8 nor external surfaces of the lining 10 are tacky when the lining is inserted into the shell 8. This allows the lining 10 to be positioned, and repositioned, exactly as desired before the lining 10 is finally adhered to the shell 8. In particular it allows the lining to be positioned against the internal surfaces 84 of the shell 8 so that there are no wrinkles or creases in the lining 10.
  • the lining 10 is more securely adhered or bonded to the sealing element 2 than to the internal surfaces 84 of the shell 8. More securely bonding the lining 10 to the sealing element 2 enables the sealing element 2 and the lining 10 to be separated from the shell 8 without the lining 10 separating from the sealing element 2, as described further below.
  • a complete layer of plastics material is provided covering the internal surfaces 47, 84 of the shell 8 and extending over the rim 32 of the shell 8, thereby protecting the paperboard shell 8 from the contents of the container 1.
  • the securing portions 42 of the sealing element 2 are engaged with the skirt portions 26 and the retaining means is placed around the sealing element 2, as described above.
  • the securing portions 42 of the sealing element 2 may be engaged with the skirt portions 26 before the lining 10 is secured within the shell 8.
  • a user When a user wishes to dispose of the container 1, he or she can separate the plastics sealing element 2 and lining 10 from the paperboard shell 8 to enable these to be disposed of or recycled separately. To do this a user firstly removes the retaining means from around the sealing element 2. The securing portions 42 are then unclipped from the skirt portions 26 and the sealing element 2 is pulled upwards to disengage the rim 32 of the shell 8 from the mounting portion 40.
  • the relatively low peel strength of the adhesive used to adhere the lining 10 to the internal surfaces 47, 84 of the shell 8 allows the lining 10 to be separated from the shell 8 as the sealing element 2 is removed, such that the sealing element 2 and lining 10 are removed together as a single piece. This allows the plastics and paperboard parts of the container 1 to be disposed of or recycled separately.
  • the outer shell is made from a plastics material and an inner lining is provided to prevent the contents of the container 1 from contaminating the shell.
  • the construction of the container according to the present invention enables the sealing element and lining, which have been contaminated, to be easily separated from the uncontaminated shell of the container.
  • sealing element 2 and the lining 10 may be removed from the shell 8 separately.
  • FIGS 8 to 14 illustrate a second preferred embodiment of a container 101 comprising a sealing element 102 according to the present invention.
  • This container 101 includes many features that are the same as or comparable to features of the container 1 of the first embodiment described above. Similar features have been indicated by reference numerals incremented by 100.
  • An outer shell 108 of the container 101 is made from a suitable paperboard or cardboard material with no wax or plastics coating or lamination.
  • the shell 108 comprises a substantially circular base 116 and a side wall 118, the side wall 118 extending fully around the periphery of the base 116 and extending upwards from the base.
  • the shell 108 comprises an inner side wall 118a and an outer side wall 118b in contact with each other, as shown most clearly in Figure 12 .
  • the outer side wall 118b is substantially cylindrical and extends between a top edge 131b and a bottom edge 121b.
  • An upper region 126 of the outer side wall 118b proximate the top edge 131b is positioned radially outwardly in relation to the rest of the outer side wall 118b, thereby forming a downwardly facing abutment shoulder or edge 127.
  • This upper region 126 may be in the formed of a rolled edge or a skirt portion 126 that extends downwards on an exterior side of the outer side wall 118b.
  • the inner side wall 118a comprises a plurality of tabs 119 extending from a bottom edge.
  • the tabs 119 extend radially inwardly and the base 116 of the shell 108 is bonded to an upper surface of the tabs 119.
  • Top edges 131a, 131b of the inner and outer side walls 118a, 118b together form a rim 132 of the shell 108 that extends around and defines an opening 105 of the shell 108.
  • the container 101 has inner and outer side walls 118a, 118b, it will be appreciated that in other embodiments the container may include a single side wall 118.
  • the sealing element 102 shown most clearly in Figures 10 and 12 , comprises a mounting portion 140 for mounting the sealing element 102 on the rim 132 of the shell 108, a securing portion 142 for securing the sealing element 102 to the side wall 118 of the shell 108, and engagement means 144 configured to releasably engage with a lid (not shown) of the container 101.
  • the sealing element 102 will be made from a suitable plastics material.
  • the mounting portion 140 includes an annular member 134 that extends around the rim 132 of the shell 108.
  • the annular member 134 includes a wall portion 146 that, when engaged with the shell 108 of the container 101, extends downwards over an interior surface 147 of the inner side wall 118a.
  • the external diameter of the wall portion 146 is substantially the same as the internal diameter of the inner side wall 118a.
  • An upper edge of the wall portion 146 includes a flange or lip 145 that extends radially outwardly. This flange 145 will typically abut or be seated on the rim 132 of the shell 108 when the mounting portion 140 is fully engaged with the shell.
  • the mounting portion 140 further comprises stacking members 186 connected to a radially outer edge of the flange 145.
  • Each of the stacking members 186 comprises a plate member 188 extending substantially perpendicularly to the flange 145.
  • the plate member 188 has a first portion 189 extending upwards from the flange 145 and a second portion 190 extending downwards from the flange 145.
  • the second portion 190 of the plate member 188 therefore extends substantially parallel to the wall portion 146 of the annular member 134, and a gap is defined between the second portion 190 of the plate member 188 and a part of the wall portion 146.
  • the mounting portion 140 When the mounting portion 140 is engaged with the shell 108, a part of the rim 132 of the shell 108 locates in each of these gaps provided by the stacking members 186.
  • the second portions 190 of the stacking members 186 therefore aid in retaining the mounting portion 140 in engagement with the side wall 118 of the shell 108.
  • the first portions 189 of the plate members 188 protrude above the rest of the annular member 134 and define a space for receiving a base of another container 101 when the containers are being stacked.
  • the engagement means 144 extends generally radially inwardly from the mounting portion 140, and includes an upward facing channel 192.
  • the engagement means 144 is configured to engage with a complementary sealing element on the lid of the container 101 such that the lid can be repeated engaged and disengaged from the rest of the container 101.
  • the securing portion 142 comprises a plurality of securing tabs 194 extending from the flange 145 of the annular member 134.
  • the securing portion 142 is arranged to engage with the abutment shoulder 127 of the shell 108 to secure the sealing element 102 to the shell 108.
  • Each of the tabs 194 is hingedly connected to the annular member 134 at a top edge so that the securing portion 142 is movable between a first, disengaged position, shown most clearly in Figure 10 , and a second, engaged position, shown most clearly in Figure 12 .
  • the sealing element 102 is a unitary member and each of the tabs 194 is hingedly connected to the flange 145 by a natural or live hinge 166 formed in the plastics material of the sealing element 102.
  • the hinged connection may be formed in any other suitable way.
  • the connection between the mounting portion 140 and the securing portion 142 may be made in any suitable way that enables pivoting or rotation of the securing portion 142 with respect to the mounting portion 140.
  • Each of the tabs 194 comprises opposing first and second faces 193, 195.
  • the first face 193 faces away from the side wall 118 of the shell 108 and the second face 195 is located radially inwardly of the first face 193 and faces towards the side wall 118 of the shell 108.
  • a detent member 196 protrudes from the second face 195 of each of the tabs 194. The detent member 196 is located such that, when the tab 194 is in the second position, the detent member 196 extends under the abutment shoulder 127 of the shell 108.
  • the location of the detent members 196 is, therefore, such that, when the securing portion 142 is in the second position and an upward force is applied to the sealing element 102, the detent members 196 contact the abutment shoulder 127 and prevent the sealing element 102 being pulled off the shell 108.
  • each tab 194 further comprises a pair of rail members 197 extending from the first face 193.
  • the rail members 197 are spaced apart such that a channel 198 is defined between them.
  • the rail members 197 preferably extend substantially parallel to the top edge of the tab 194.
  • the channel 198 between the rail members 197 is sized to receive a part of a retaining means 199, described further below.
  • the annular member 134 is engaged with the rim 132 of the container 101 such that the wall portion 146 extends down over the interior surface 147 of the side wall 118 and the second portions 190 of the stacking members 186 extend down over an exterior surface of the side wall 118.
  • Each of the tabs 194 of the securing portion 142 is then pivoted, by means of the hinge, into the second position so that the detent member 196 is located under the outwardly protruding upper region 126 of the side wall 118.
  • retaining means 199 in the form of an elongate strap or band 199 is secured around the outside of the tabs 194 such that the strap or band 199 locates in the channels 198 provided on the tabs 194.
  • the strap or band 199 is tightened, i.e. a diameter of the strap 199 is decreased, so as to apply a radially inwardly directed force to the tabs 194 to retain the tabs 194 in the second position. Locating the strap 199 in the channels 198 means that once the strap 199 has been tightened and secured, the strap 199 cannot be easily removed from around the securing portion 142 without cutting the strap 199.
  • the retaining strap 199 may be made from a suitable plastics material or a paperboard material having sufficient strength to retain the tabs 194 in the engaged position during storage and use of the container 101.
  • the container 101 further comprises a lining 110 that extends over and covers the interior surfaces 147 of the shell 108.
  • the lining 110 is preferably made from a thin film plastics material and acts as a barrier layer preventing leakage of the contents of the container 101 through the paperboard shell 108.
  • the barrier properties of the lining 110 may additionally prevent moisture or gasses entering or leaving the container which may spoil or degrade the contents of the container 101.
  • the size and shape of the lining 110 is such that it substantially conforms to the internal shape of the shell 108.
  • An upper edge region of the lining 110 locates between the side wall 118 of the shell 108 and the wall portion 146 of the sealing element 102, as illustrated in Figure 14 .
  • This upper edge region of the lining 110 is bonded or welded to the wall portion 146 so as to form a liquid-tight seal between the lining 110 and the sealing element 102.
  • the lining 110 will not be adhered to the side wall 118 of the shell 108, but the lining 110 may be adhered to the base 116 of the shell 108 to retain the lining 110 in the correct position with respect to the shell 108.
  • the sealing element 102 and the lining 110 may be separated from the shell 108 of the container 101 for disposal or recycling.
  • the retaining strap 199 is cut such that the securing tabs 194 can be moved at least partially back towards the first position.
  • each of the securing tabs 194 is moved such that the detent member 196 is withdrawn from under the protruding upper edge 126 of the shell 108.
  • the sealing element 102 can then be lifted off and away from the side wall 118 of the shell 108.
  • the lining 110 is bonded to the mounting portion 140 of the sealing element 102, the lining 110 is removed together with the sealing element 102.
  • the level of adhesion is such that the lining 110 can be pulled or peeled away from the base 116 without tearing the lining 110.
  • the sealing element 102 further comprises attachment means 168 for a handle.
  • the attachment means 168 comprises a pair of attachment plates 168 connected to the flange 145 of the mounting portion 140. Each of the attachment plates 168 includes an aperture 170 for receiving a part of an end of a handle.
  • the attachment means 168 are preferably configured such that the handle may be pivotally attached to the sealing element 102.
  • FIG. 15 A further example of a container 201 including a handle 212 is shown in Figure 15 .
  • the ends of the handle 212 are attached to the sealing element 202 by means of attachment plates 268 positioned on diametrically opposite sides of the mounting portion 240.
  • the handle 212 and the means of attachment of the handle 212 to the sealing element 202 are substantially identical to the handle 12 and its means of attachment described above in relation to the first embodiment of a container 1 and will not be described further here.
  • the embodiment of the container 201 illustrated in Figures 15 to 17 is substantially identical to the embodiment illustrated in Figures 8 to 14 except that the depth of the container 201, i.e. a height of the side wall 218, is increased to provide a larger volume container 201.
  • the diameter of this container 201 is the same as the diameter of the smaller volume container 101 shown in Figures 8 to 14 .
  • the two different sizes of container 101, 201 can be stacked together.
  • the present invention therefore, provides a sealing element for a container, a container including a sealing element and a method of forming a container including a sealing element that enables the container to be repeatedly resealed and further enables plastics and paperboard parts, or contaminated and uncontaminated parts, of the container to be easily separated for disposal or recycling.

Claims (16)

  1. Dichtungselement (2, 102) für einen Behälter (1, 101), wobei der Behälter einen Hauptkörper (4) und einen Deckel (6) umfasst, wobei der Hauptkörper des Behälters eine Seitenwand (18, 118) mit einem oberen Rand (32, 132) umfasst, welcher eine Öffnung des Behälters definiert, und wobei das Dichtungselement folgendes umfasst:
    - einen Befestigungsabschnitt (40, 140), der ein ringförmiges Element (34, 134) zum Zusammengreifen mit dem oberen Rand der Seitenwand umfasst;
    - ein Eingriffsmittel (44, 144), welches dazu konfiguriert ist, wiederholt in Dichtungseingriff mit dem Deckel des Behälters gebracht zu werden; und
    - einen Sicherungsabschnitt (42, 142), der dazu ausgelegt ist, das Dichtungselement (2, 102) an der Seitenwand (18) zu befestigen, wobei der Sicherungsabschnitt (42, 142) gelenkig mit dem Befestigungsabschnitt (40, 140) verbunden ist und zwischen einer ersten Position, in welcher der Befestigungsabschnitt mit dem oberen Rand in Eingriff und außer Eingriff gebracht werden kann, und einer zweiten Position bewegt werden kann, in welcher der Sicherungsabschnitt verhindert, dass der Befestigungsabschnitt vom oberen Rand gelöst wird;
    dadurch gekennzeichnet,
    dass das Dichtungselement weiter ein einen Gurt, ein Band oder einen Streifen (199) umfassendes Rückhaltemittel umfasst, welches dazu ausgelegt ist, den Sicherungsabschnitt in der zweiten Position zu halten.
  2. Dichtungselement nach Anspruch 1,
    bei welchem das ringförmige Element (34, 134) einen Wandabschnitt (46, 146) umfasst, welcher sich im Gebrauchszustand nach unten über eine Innenfläche (47, 147) der Seitenwand (18, 118) des Behälters erstrecken kann.
  3. Dichtungselement nach einem der vorigen Ansprüche, bei welchem sich im Gebrauchszustand der Sicherungsabschnitt nach unten über eine Außenfläche der Seitenwand (18, 118) des Behälters erstreckt, wenn der Sicherungsabschnitt (42, 142) sich in der zweiten Position befindet.
  4. Dichtungselement nach einem der vorigen Ansprüche, bei welchem der Behälter eine nach unten zeigende Anschlagschulter oder Anschlagkante (127) auf einer Außenseite der Seitenwand benachbart zum oberen Rand enthält, und wobei der Sicherungsabschnitt (142) des Dichtungselements eine Arretierung (196) umfasst, die dazu ausgelegt ist, mit der Schulter oder Kante (127) zusammen zu greifen, wenn der Sicherungsabschnitt sich in der zweiten Position befindet, wodurch verhindert wird, dass der Befestigungsabschnitt (40, 140) vom oberen Rand gelöst wird.
  5. Dichtungselement nach einem der vorigen Ansprüche, bei welchem der Sicherungsabschnitt (142) eine Mehrzahl Vorsprünge (194) umfasst, wobei jeder der Vorsprünge gelenkig mit dem ringförmigen Element (134) verbunden ist.
  6. Dichtungselement nach Anspruch 5,
    bei welchem jeder der Vorsprünge (194) einen Kanal (198) umfasst, um einen Teil des Rückhaltemittels (199) aufzunehmen.
  7. Dichtungselement nach einem der Ansprüche 5 oder 6, bei welchem die Vorsprünge (194) um einen Rand des ringförmigen Elements (134) herum beabstandet angeordnet sind und sich aus diesem heraus erstrecken.
  8. Dichtungselement nach einem der vorigen Ansprüche, bei welchem der Befestigungsabschnitt (40, 140), der Eingriffsabschnitt (44, 144) und der Sicherungsabschnitt (42, 142) Teile eines einheitlichen Stücks sind.
  9. Behälter, umfassend:
    - eine Schale (8, 108), welche einen Boden (16) und eine Seitenwand (18, 118) umfasst, wobei die Seitenwand einen oberen Rand (32, 132) aufweist, der eine Öffnung des Behälters definiert;
    - einen Deckel (6) zum Abdecken und Abdichten der Öffnung der Schale (8, 108); und
    - ein Dichtungselement (2, 102), welches um den oberen Rand der Seitenwand der Schale herum befestigt ist,
    wobei das Dichtungselement folgendes umfasst:
    - einen Befestigungsabschnitt (40, 140), der ein ringförmiges Element (34, 134) zum Zusammengreifen mit dem oberen Rand der Seitenwand umfasst;
    - ein Eingriffsmittel (44, 144), welches dazu konfiguriert ist, wiederholt in Dichtungseingriff mit dem Deckel des Behälters gebracht zu werden; und
    - einen Sicherungsabschnitt (42, 142), der dazu ausgelegt ist, das Dichtungselement an der Seitenwand zu befestigen, wobei der Sicherungsabschnitt gelenkig mit dem Befestigungsabschnitt verbunden ist und zwischen einer ersten Position, in welcher der Befestigungsabschnitt mit dem oberen Rand in Eingriff und außer Eingriff gebracht werden kann, und einer zweiten Position bewegt werden kann, in welcher der Sicherungsabschnitt verhindert, dass der Befestigungsabschnitt vom oberen Rand gelöst wird;
    dadurch gekennzeichnet,
    dass die Schale (8, 108) aus einem Pappmaterial hergestellt ist.
  10. Behälter nach Anspruch 9,
    bei welchem der Behälter weiter eine Auskleidung (10, 110) umfasst, die innere Flächen der Schale abdeckt.
  11. Behälter nach Anspruch 10,
    bei welchem die Auskleidung (10, 110) aus einem dünnen Kunststofffilmmaterial hergestellt ist und das Dichtungselement (2, 102) aus einem relativ steifen Kunststoffmaterial hergestellt ist.
  12. Behälter nach Anspruch 10 oder Anspruch 11,
    bei welchem das ringförmige Element (34, 134) einen Wandabschnitt (46, 146) umfasst, der im Gebrauchszustand sich nach unten über eine Innenfläche (47, 147) der Seitenwand der Schale erstreckt und bei welchem die Auskleidung (10, 110) mit dem Wandabschnitt (46, 146) verbunden ist.
  13. Verfahren zum Zusammensetzen eines Behälters, wobei der Behälter folgendes umfasst:
    - eine Schale (8, 108), welche einen Boden (16) und eine Seitenwand (18, 118) umfasst, wobei die Seitenwand einen oberen Rand (32, 132) aufweist, der eine Öffnung des Behälters definiert; und
    - ein einen Befestigungsabschnitt (40, 140) umfassendes Dichtungselement (2, 102) gemäß Anspruch 1, umfassend ein ringförmiges Element (34, 134) zum Eingriff mit dem oberen Rand der Seitenwand, ein Eingriffsmittel (44, 144), welches dazu konfiguriert ist, in wiederholten Dichtungseingriff mit einem Deckel des Behälters gebracht zu werden, einen Sicherungsabschnitt (42, 142), der dazu konfiguriert ist, das Dichtungselement (2, 102) an der Seitenwand zu sichern, wobei der Sicherungsabschnitt (42, 142) gelenkig mit dem Befestigungsabschnitt (40, 140) verbunden ist und zwischen einer ersten Position, in welcher der Befestigungsabschnitt mit dem oberen Rand in Eingriff und außer Eingriff gebracht werden kann, und einer zweiten Position bewegt werden kann, in welcher der Sicherungsabschnitt verhindert, dass der Befestigungsabschnitt vom oberen Rand gelöst werden kann, sowie einen/ein Rückhaltegurt, -band oder - streifen (199) umfasst, und wobei das Verfahren die folgenden Schritte umfasst:
    - bei in der ersten Position befindlichem Sicherungsabschnitt (42, 142) wird der Befestigungsabschnitt (40, 140) des Dichtungselements (2, 102) auf den oberen Rand der Seitenwand gesetzt;
    - es wird der Sicherungsabschnitt (42, 142) in die zweite Position bewegt, um das Dichtungselement (2, 102) an der Seitenwand zu sichern; und
    - es wird der/das Rückhaltegurt, -band oder -streifen (199) am Dichtungselement (2, 102) fixiert, um den Sicherungsabschnitt (42, 142) in der zweiten Position zu halten, um zu verhindern, dass das Dichtungselement vom oberen Rand der Seitenwand gelöst wird.
  14. Verfahren zum Zusammensetzen eines Behälters nach Anspruch 13,
    bei welchem der Befestigungsabschnitt (40, 140) des Dichtungselements (2, 102) einen Wandabschnitt (46, 146) umfasst und der Behälter weiter eine Auskleidung (10, 110) umfasst, die innere Flächen (47, 147) der Schale (8, 108) abdeckt, und wobei das Verfahren weiter umfasst:
    - Aufsetzen des Befestigungsabschnitts (40, 140) derart, dass der Wandabschnitt (46, 146) sich nach unten über eine Innenfläche der Seitenwand erstreckt und ein oberer Bereich der Auskleidung (10, 110) sich zwischen der Seitenwand (18, 118) und dem Wandabschnitt (46, 146) des Dichtungselements (2, 102) befindet; und
    - Verbinden des Wandabschnitts (46, 146) des Dichtungselements mit der Auskleidung (10, 110).
  15. Verfahren zum Zusammensetzen eines Behälters nach Anspruch 13 oder Anspruch 14,
    bei welchem der Sicherungsabschnitt (142) eine Mehrzahl Vorsprünge (194) umfasst, die gelenkig mit dem Befestigungsabschnitt (140) verbunden sind, und wobei das Verfahren das Bewegen jeder der Vorsprünge (194) aus der ersten Position in die zweite Position umfasst, sobald der Befestigungsabschnitt (140) mit dem oberen Rand der Schale zusammengreift.
  16. Verfahren zum Zusammensetzen eines Behälters nach einem der Ansprüche 13 - 15,
    bei welchem der Sicherungsabschnitt (42, 142) einen Kanal (198) zur Aufnahme des Rückhaltegurtes, -bandes oder -streifens (199) umfasst, und wobei das Verfahren das Platzieren des Rückhaltegurtes, -bandes oder -streifens (199) in dem Kanal (198) umfasst und wobei der/das Rückhaltegurt, -band oder -streifen (199) derart eingestellt wird, dass der/das Rückhaltegurt, - band oder -streifen eine Kraft auf den Sicherungsabschnitt (42, 142) ausübt, um den Sicherungsabschnitt in der zweiten Position zu halten.
EP14809670.4A 2013-11-15 2014-11-13 Behälter Active EP3068705B1 (de)

Priority Applications (1)

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GB1320221.3A GB2522180A (en) 2013-11-15 2013-11-15 Container
PCT/GB2014/053361 WO2015071664A1 (en) 2013-11-15 2014-11-13 Container

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USD951002S1 (en) 2020-02-28 2022-05-10 Electrolux Appliances Aktiebolag Water tray

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ES2717529T3 (es) 2019-06-21
GB2535813B (en) 2017-07-26
ES2664141T3 (es) 2018-04-18
GB201320221D0 (en) 2014-01-01
US20160272388A1 (en) 2016-09-22
EP3068705A1 (de) 2016-09-21
GB2535813A (en) 2016-08-31
GB201508134D0 (en) 2015-06-24
PL3068705T3 (pl) 2018-06-29
GB2535813C (en) 2021-02-24
WO2015071664A1 (en) 2015-05-21
GB2522180A (en) 2015-07-22

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