WO2012082067A1 - Couvercle en carton empilable - Google Patents

Couvercle en carton empilable Download PDF

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Publication number
WO2012082067A1
WO2012082067A1 PCT/SE2011/051530 SE2011051530W WO2012082067A1 WO 2012082067 A1 WO2012082067 A1 WO 2012082067A1 SE 2011051530 W SE2011051530 W SE 2011051530W WO 2012082067 A1 WO2012082067 A1 WO 2012082067A1
Authority
WO
WIPO (PCT)
Prior art keywords
lid
collar
lower collar
container
carton
Prior art date
Application number
PCT/SE2011/051530
Other languages
English (en)
Inventor
Per Hagelqvist
Original Assignee
Å&R Carton Lund Ab
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 Å&R Carton Lund Ab filed Critical Å&R Carton Lund Ab
Publication of WO2012082067A1 publication Critical patent/WO2012082067A1/fr

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
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/02—Removable lids or covers
    • B65D43/0202—Removable lids or covers without integral tamper element
    • B65D43/0204—Removable lids or covers without integral tamper element secured by snapping over beads or projections
    • 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
    • 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
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00027—Stackable 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00064—Shape of the outer periphery
    • B65D2543/00074—Shape of the outer periphery curved
    • B65D2543/00101—Shape of the outer periphery curved square-like or rectangular-like
    • 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
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00064—Shape of the outer periphery
    • B65D2543/0012—Shape of the outer periphery having straight sides, e.g. with curved corners
    • B65D2543/00175—Shape of the outer periphery having straight sides, e.g. with curved corners four straight sides, e.g. trapezium or diamond
    • 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
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00231—Overall construction of the lid made of several pieces
    • B65D2543/0024—Overall construction of the lid made of several pieces two pieces, one forming at least the whole skirt, the other forming at least the whole upper part
    • 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
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00259—Materials used
    • B65D2543/00268—Paper
    • 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
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/0049—Contact between the container and the lid on the inside or the outside of the container on the inside, or a part turned to the inside of the mouth of the container
    • B65D2543/00527—NO contact
    • 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
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00537—Contact between the container and the lid on the inside or the outside of the container on the outside, or a part turned to the outside of the mouth of the container
    • 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
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00712—Snapping means on the lid
    • B65D2543/00722—Profiles
    • B65D2543/00731—Groove or hollow bead
    • 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
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00712—Snapping means on the lid
    • B65D2543/00787—Periphery concerned
    • B65D2543/00796—Totality

Definitions

  • the invention relates to a stackable carton lid.
  • the invention relates to improved stacking properties of such a lid.
  • the invention also relates to a device for a method of manufacturing a stackable carton lid.
  • Stackable carton lids for example for food containers, are known from e.g. DE 4429057 and EP 639509.
  • Such lids are made of a carton material and comprise i.a. a lid surface and a downward directed collar extending along the periphery of the lid surface and encircling and engaging with the container when the lid is put in place.
  • the lid according to DE 442957 also comprises an upper collar extending along the periphery of the lid mirror on the top side of the lid surface.
  • lids according to EP 639509 are possible in that the lower collar is angled outwards so that the inner side of the collar on an upper lid can abut against the, at the outer side folded/bent, lid surface of a lower lid, whereby the upper lid overlaps the lower lid at stacking.
  • 4429057 are also provided with an outward directed lower collar which allows overlap of stacked lids.
  • the inner side of the lower collar on the upper lid abuts against the outer side of the upper collar on the lower lid.
  • the overlap is longer so that the inner side of the lower collar also abuts against parts of the outer side of the lower collar of the lower lid.
  • the invention relates to a stackable carton lid comprising: an essentially flat lid element intended for covering an opening in a container when the lid is attached onto the container, the said lid element having a top side and a bottom side, where the bottom side is intended for facing the container when the lid is attached; a lower collar extending along the outer edge of the lid element and at least partially downwards from the bottom side of the lid element in order to allow interaction with the container when the lid is attached; and an upper collar extending along the outer edge of the lid element on the top side of the lid element, the lid being arranged in such manner that the lower collar of a first lid overlaps at least part of the upper collar of a second lid when the first and the second lids are stacked on top of each other.
  • the invention is characterized in that the distance between the outer periphery of the upper collar and a hypothetical centre line through a centre point on the lid element is, at least over the stretch where the lower collar of the first lid overlaps at least a part of the upper collar of the second lid at stacking, essentially equal to or smaller than the distance between the inner periphery of the lower collar and the said centre line in an arbitrary position along the outer edge of the lid element, where the height of the upper collar above the top side of the lid element and the form and extent of the lower collar from the bottom side of the lid element are adapted in such manner that the lower collar is not appreciably pressed against a corresponding lower collar on an adjacent lid at stacking of a plurality of lids.
  • the upper collar of a lower lid can be fitted within the lower collar (skirt) of an upper lid without getting stuck. Furthermore, this means that the lower collar (skirt) of the upper lid goes free, in principle, of the lower collar (skirt) of the lower lid at stacking.
  • the upper and lower collars of the lid are arranged in such manner that when placing a first lid on a second lid, where the bottom side of the lid element (lid surface) of the first lid faces the top side of the lid element (lid surface) of the second lid, the bottom side of the lid surface of the first upper lid gets into such position that the said bottom side abuts against the upper collar of the second lower lid.
  • a stable stack of lids is formed since the weight rests on the upper side of the upper collar, and not on an angled lower collar, as e.g. in DE 4429057 where there is great risk that increased stack weight entails an increased tendency for the lids to get stuck in each other as well as risk that the stack keels over.
  • the upper collar is sufficiently high and that the lower collar is adequately well-designed in order to avoid that the lower collars grip each other at stacking of lids, i.e. in order to avoid that the lower collar of an upper lid grips the lower collar of an underlying lid.
  • the lid is arranged in such manner that a lower part of the lower collar of a first lid overlaps an upper part of the lower collar of a second lid when the first lid is stacked on top of the second lid, the distance between the inner periphery of the said lower part of the lower collar of the first lid and the hypothetical centre line through the centre point being essentially equal to or greater than the distance between the outer periphery of the said upper part of the lower collar of the second lid and the said centre line.
  • Such a design entails that even when the lower collars overlap at stacking, the lids do not grip each other as the upper lid rests on the upper rim of the lower lid.
  • the lid is provided with a projection extending circumferentially outside the upper collar, where the outer edge of the projection passes into the lower collar.
  • the upper collar is somewhat retracted in relation to the centre point of the lid surface as compared with the lower collar so that a distance is created between the respective bases of the upper and the lower collars.
  • an improved passage is created between the lower collar of an upper lid and the upper collar of a lower lid at stacking of lids.
  • the lower collar is provided with a bulge extending circumferentially on the inner side of the lower collar, the said bulge being intended for interacting with an upper part in the container when the lid is attached onto the container.
  • the lid is composed of a first, flat unit and a second, annular unit, the first unit constituting the lid element and the second unit constituting at least a part of both the lower and the upper collars.
  • the first unit is provided with a folded up rim along its outer edge, an upper part of the second unit being formed around and against the said rim, and the upper collar being composed of the upper part of the second element and the said rim.
  • the upper collar has, circumferentially, wave shape or folded shape. Thereby an increased amount of excess material can be handled.
  • the upper collar is essentially flat and extends essentially perpendicularly up from the top side of the lid element.
  • the invention also relates to a device for and a method of manufacturing a stackable carton lid of the above mentioned type.
  • Figure 1 shows a perspective view, obliquely from below, of a preferred embodiment of a carton lid according to the invention
  • Figure 2 shows a view, from below, of the embodiment according to
  • Figure 3 shows a section A-A, with enlargement, according to Figure 2
  • Figure 4 shows a section B-B, with enlargement, according to Figure 2
  • Figure 5 shows a number of carton lids according to Figure 1 , stacked on top of each other.
  • FIG. 1 shows a perspective view, obliquely from below, of a preferred embodiment of a stackable carton lid 1 according to the invention.
  • the lid 1 comprises an essentially plane lid element 2 intended for covering an opening in a container (not shown) when the lid 1 is attached onto the container.
  • the lid element 2 has a top side 2a and a bottom side 2b, where the bottom side is intended for facing the container when attaching the lid 1.
  • a point C indicates a centre point on the lid element 2.
  • the lid 1 also comprises a lower collar 3 (skirt) extending along the outer edge of the lid element 2 and essentially downwards from the bottom side 2b of the lid element 2 in order to allow interaction with the container when the lid 1 is attached.
  • the lid 1 is also provided with an upper collar 4 extending along the outer edge of the lid element 2 on the top side 2a of the lid element 2. Circumferentially, the upper collar 4 has undulated shape, i.e. waves or folds 5 are provided in the upper collar 4 in a direction essentially perpendicularly to the top side 2a of the lid element.
  • FIG. 2 shows a view, from below, of the embodiment according to Figure 1
  • Figure 3 shows a section A-A, with enlargement, according to Figure 2
  • Figure 4 shows a section B-B, with enlargement, according to Figure 2.
  • the lid 1 is composed of a first, flat unit and a second annular unit, the first unit constituting the lid element (lid surface) 2, and the second unit constituting the lower collar 3 and a part of the upper collar 4.
  • the first unit is provided with a folded up rim 6 along its outer edge, where an upper part 40 of the second unit is formed around and against the said rim 6.
  • the upper collar 4 is composed of the upper part 40 of the second unit and the said rim 6.
  • the upper part 40 of the second unit is glued to the rim 6, and the upper collar 4 thus formed is pressed flat by wave shaped (undulated) tools, which gives rise to the waves/folds 5.
  • the upper collar 4 is passed inwards towards the centre point C so that a projection 9 is formed.
  • the projection 9 extends circumferentially outside the upper collar 4, the outer edge of the projection 9 passing into the lower collar 3.
  • this projection 9 defines a distance between the base of the upper collar 4 and the base of the lower collar 3.
  • the tools for the flattening moment may be heated to about 160-250 °C in order to make the carton material more formable and to make it stay re-formed when it cools.
  • the flattening entails that the upper collar 4 gets an essentially flat shape and that it extends essentially perpendicularly up from the top side 2a of the lid element 2.
  • the lower collar 3 is provided with a bulge 7 extending circumferentially on the inner side of the lower collar 3 (and a corresponding concaveness 8 on the outer side of the lower collar 3).
  • the bulge 7 is intended for interacting with an upper part in the container, for example a lip, in order to retain the lid 1 in position when the lid is attached onto the container.
  • Figure 2 shows i.a. that a lower part 30 of the lower collar 3 (see Figure 4) exhibits a larger angle outwards from the lid 1 at the sides of the lid than at the rounded corners of the lid.
  • FIG. 5 shows a number of carton lids 1a-1d according to Figure 1 , stacked on top of each other.
  • the lids 1a-1d are provided i.a. with corresponding lower and upper collars 3a-3d, 4a-4d.
  • a lid element 2d for lid 1d is shown for lid 1d.
  • each lid 1a-1d is arranged in such manner that the lower collar 3b of a first lid 1 b completely overlaps the upper collar 4c of a second lid 1c, seen in the height direction of the stack, when the first and the second lids 1 b, 1 c are stacked on top of each other.
  • the distance between the outer periphery of the upper collar 4, i.e. the outer side of the upper collar 4, and a hypothetical centre line through the centre point C on the lid element 2 is smaller, at least over the stretch where the lower collar 3b of the first lid 1 b overlaps the upper collar 4c of the second lid 1c at stacking, than the distance between the inner periphery of the lower collar 3, i.e. the inner side of the bulge 7 in the preferred embodiment (for example bulge 7b on lid 3b) and the said centre line in an arbitrary position along the outer edge of the lid element.
  • the upper collar 4c of a lower lid 1c can be accommodated within the lower collar 3b (skirt) of an upper lid 1 b without getting stuck.
  • This can be achieved also if the lower collar 3 has a different shape so that the inner periphery of the lower collar 3 within the overlapping stretch does not coincide with the inner side of the bulge 7.
  • the hypothetical centre line passes through the centre point C and has a direction perpendicularly to the lid element 2.
  • the distances compared above thus correspond to hypothetical radial stretches, being parallel to the lid element 2, between the hypothetical centre line and the outer periphery of the upper collar and the inner periphery of the lower collar, respectively.
  • the height of the upper collar 4 above the top side 2a of the lid element 2 and the shape and extent of the lower collar 3, i.e. for example length and angle, from the bottom side 2b of the lid element 2 are adjusted in such manner that the lower collar, e.g. 3b, is not appreciably pressed against a corresponding lower collar, for example 3c, on an adjacent lid at stacking of a plurality of lids.
  • the lid 1 is arranged in such manner that a lower part of the lower collar 3b of a first lid 1 b overlaps an upper part of the lower collar 3c of a second lid 1c when the first and the second lids 1b, 1c are stacked on top of each other, where the distance between the inner periphery of the said lower part of the lower collar 3b of the first lid 1 b and the hypothetical centre line through the centre point C are essentially equal to or greater than the distance between the outer periphery of the said upper part of the lower collar of the second lid 1c and the said centre line.
  • a small distance arises between the lower collars, for example between 3b and 3c, at stacking.
  • the collars 3b and 3c may abut lightly against each other, but without gripping each other so that removal of a lid from another in a stack is impeded.
  • the first and the second units constituting the lid 1 i.e. the lid surface 2 and the annular unit constituting the two collars 3, 4, are both made of a carton material. Suitable carton materials in this connection are well-known to the skilled person.
  • the lid surface 2 can be made of Stora Ensos Cupforma Special 270 g/m 2 with 13 g/m 2 PE and that the annular unit can be made of spirally wound carton in three layers of Stora Ensos Cupforma Classic 230 g/m 2 with a cover layer of paper MG 60 g/m 2 .
  • a suitable machine for manufacturing a lid according to the invention in a carton material comprises heated squeeze or form trays adapted for folding and shaping the carton material to a lid with the shape described above.
  • the form trays have a shape corresponding to the shape of the lid. It is possible to use unheated form trays, but the carton material becomes more formable and retains its new shape in a better way if the form trays are heated.
  • a suitable method of manufacturing a lid according to the invention in a carton material thus comprises the step of folding and shaping a carton material by using form trays, preferably heated, whereby the form trays have a shape corresponding to the shape of the lid.
  • the invention is not limited to the embodiment described above, but can be varied within what is defined by the appended claims.
  • the lid 1 is essentially rectangular, or that the corners of the lid 1 are rounded in the way shown.
  • Other conceivable shapes of the lid are annular, oval, or essentially square with more or less rounded corners.
  • a rim 6 in the periphery of the lid surface 2.
  • the surface can be attached in a different manner, for example with its edge against the annular unit.
  • this container may be contemplated for foodstuffs, but many other types of contents are also possible.
  • the container may be made of a material different from that of the lid 1 , for example plastic.
  • the distance between the outer periphery of the upper collar and the hypothetical centre line can, at least over the stretch where the lower collar of the first lid overlaps at least part of the upper collar of the second lid at stacking, be essentially equal to, and not necessarily smaller than, the distance between the inner periphery of the lower collar and the centre line.
  • That the distance can be essentially equal to means that the distance can be the same and even that the distance between the outer periphery of the upper collar and the hypothetical centre line can be a bit longer than the distance between the inner periphery of the lower collar and the centre line.
  • the lower collar on carton lids of the type described here is somewhat resilient, which means that the principle of the invention works even in these cases, i.e. when a lid is placed altogether loosely on another lid, the upper lid can stay in such position that a vertical gap is formed between the lid surface of the upper lid and the upper collar of the lower lid.
  • this gap disappears, however, at a light pressure on the upper lid, for example when additional lids are placed on the stack so that the lid surface of the upper lid rests on the upper collar of the lower lid. Even when the gap is removed in this way can the lids be removed seamlessly from the stack one by one as the upper collar on underlying lids prevents the lids from getting too close and getting stuck firmly in each other.

Landscapes

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

Abstract

L'invention concerne un couvercle en carton empilable (1, 1a, 1 b, 1c, 1d) comprenant : un élément couvercle sensiblement plat (2) destiné à recouvrir une ouverture ménagée dans un contenant lorsque le couvercle (1) est fixé sur le contenant, ledit élément couvercle (2) présentant une face supérieure (2a) et une face inférieure (2b), cette dernière étant destinée à se trouver face au contenant lors de la fixation du couvercle (1); un épaulement inférieur (3) s'étendant le long du bord extérieur de l'élément couvercle (2) et au moins partiellement vers le bas à partir de la face inférieure (2b) de l'élément couvercle (2) afin de permettre une interaction avec le contenant lorsque le couvercle (1) est fixé, et un épaulement supérieur (4) s'étendant le long du bord extérieur de l'élément couvercle (2) sur la face supérieure (2a) de l'élément couvercle (2), le couvercle (1) étant agencé de sorte que l'épaulement inférieur (3b) du premier couvercle (1b) chevauche au moins une partie de l'épaulement supérieur (4c) du deuxième couvercle (1c), lorsque le premier et le deuxième couvercle (1b, 1c) sont empilés l'un sur l'autre. L'invention est caractérisée en ce que la distance entre la périphérie extérieure de l'épaulement supérieur (4) et une ligne médiane imaginaire passant à travers un centre (C) de l'élément couvercle (2), au moins sur le segment où l'épaulement inférieur (3b) du premier couvercle (1b) chevauche au moins une partie de l'épaulement supérieur (4c) du deuxième couvercle (1c) lors de l'empilage, est sensiblement inférieure ou égale à la distance entre la périphérie interne de l'épaulement inférieur (3) et ladite ligne médiane dans une position arbitraire le long du bord extérieur de l'élément couvercle (2), la hauteur de l'épaulement supérieur (4) au-dessus de la face supérieure (2a) de l'élément couvercle (2) ainsi que la forme et l'étendue de l'épaulement inférieur (3) à partir de la face inférieure (2b) de l'élément couvercle (2) sont adaptées de sorte que l'épaulement inférieur (3) n'est pas sensiblement plaqué contre un épaulement inférieur correspondant sur un couvercle adjacent lors de l'empilage d'une pluralité de couvercles. L'invention concerne également un dispositif et un procédé de fabrication d'un couvercle en carton empilable (1) du type décrit ci-dessus.
PCT/SE2011/051530 2010-12-17 2011-12-16 Couvercle en carton empilable WO2012082067A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1051342A SE1051342A1 (sv) 2010-12-17 2010-12-17 Stapelbart kartonglock
SE1051342-2 2010-12-17

Publications (1)

Publication Number Publication Date
WO2012082067A1 true WO2012082067A1 (fr) 2012-06-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE2011/051530 WO2012082067A1 (fr) 2010-12-17 2011-12-16 Couvercle en carton empilable

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US10582787B2 (en) 2012-08-22 2020-03-10 Ptm Packaging Tools Machinery Pte. Ltd. Paper-based container lids and methods for making the same
WO2021037980A1 (fr) * 2019-08-30 2021-03-04 Seda International Packaging Group Spa Couvercle pour un gobelet
CN113548314A (zh) * 2020-06-04 2021-10-26 高野朗 盖体
RU2795353C1 (ru) * 2019-08-30 2023-05-03 Седа Интернешнл Пэкеджинг Груп Спа Крышка стаканчика

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GB794682A (en) * 1955-05-21 1958-05-07 Jagenberg Werke Ag Improvements in conical containers constructed of paper, cardboard or like carton forming material
US3173574A (en) * 1963-08-08 1965-03-16 Gen Am Transport Container stacking and covering devices
US3447734A (en) * 1966-10-03 1969-06-03 Phillips Petroleum Co Closure,and apparatus for making a closure
US4351472A (en) * 1977-08-08 1982-09-28 Phillips Petroleum Company Closure
US4364476A (en) * 1982-01-05 1982-12-21 Shamrock Industries, Inc. Plastic lid with stacking separation means
EP0639509A1 (fr) * 1993-08-17 1995-02-22 Maschinenfabrik Rissen GmbH Couvercle embouté en papier et son procédé de fabrication
ITRM940342A1 (it) * 1994-06-01 1995-12-01 Seda Spa Procedimento per produrre coperchi impilabili e coperchio impilabile cosi' ottenuto.
DE4429057A1 (de) * 1994-08-16 1996-02-22 Hoerauf Michael Maschf Stapelbarer Deckel für einen Behälter
US20080099481A1 (en) * 2004-05-19 2008-05-01 Seda S.P.A. Tamper-Evident Lid

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US2069213A (en) * 1931-11-27 1937-02-02 Individual Drinking Cup Co Container and closure cap therefor
GB794682A (en) * 1955-05-21 1958-05-07 Jagenberg Werke Ag Improvements in conical containers constructed of paper, cardboard or like carton forming material
US3173574A (en) * 1963-08-08 1965-03-16 Gen Am Transport Container stacking and covering devices
US3447734A (en) * 1966-10-03 1969-06-03 Phillips Petroleum Co Closure,and apparatus for making a closure
US4351472A (en) * 1977-08-08 1982-09-28 Phillips Petroleum Company Closure
US4364476A (en) * 1982-01-05 1982-12-21 Shamrock Industries, Inc. Plastic lid with stacking separation means
EP0639509A1 (fr) * 1993-08-17 1995-02-22 Maschinenfabrik Rissen GmbH Couvercle embouté en papier et son procédé de fabrication
ITRM940342A1 (it) * 1994-06-01 1995-12-01 Seda Spa Procedimento per produrre coperchi impilabili e coperchio impilabile cosi' ottenuto.
DE4429057A1 (de) * 1994-08-16 1996-02-22 Hoerauf Michael Maschf Stapelbarer Deckel für einen Behälter
US20080099481A1 (en) * 2004-05-19 2008-05-01 Seda S.P.A. Tamper-Evident Lid

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10582787B2 (en) 2012-08-22 2020-03-10 Ptm Packaging Tools Machinery Pte. Ltd. Paper-based container lids and methods for making the same
US11497330B2 (en) 2012-08-22 2022-11-15 Ptm Packaging Tools Machinery Pte. Ltd. Paper-based container lids and methods for making the same
WO2021037980A1 (fr) * 2019-08-30 2021-03-04 Seda International Packaging Group Spa Couvercle pour un gobelet
RU2795353C1 (ru) * 2019-08-30 2023-05-03 Седа Интернешнл Пэкеджинг Груп Спа Крышка стаканчика
CN113548314A (zh) * 2020-06-04 2021-10-26 高野朗 盖体

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