US20130098914A1 - Container - Google Patents
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- Publication number
- US20130098914A1 US20130098914A1 US13/521,625 US201113521625A US2013098914A1 US 20130098914 A1 US20130098914 A1 US 20130098914A1 US 201113521625 A US201113521625 A US 201113521625A US 2013098914 A1 US2013098914 A1 US 2013098914A1
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- US
- United States
- Prior art keywords
- lid
- section
- skirt
- bending
- directed ridge
- 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.)
- Abandoned
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- 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
- 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
- B65D43/00—Lids or covers for rigid or semi-rigid containers
- B65D43/02—Removable lids or covers
- B65D43/0235—Removable lids or covers with integral tamper element
- B65D43/0237—Removable lids or covers with integral tamper element secured by snapping over beads or projections before removal of the tamper element
- B65D43/0256—Removable lids or covers with integral tamper element secured by snapping over beads or projections before removal of the tamper element only 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
- B65D2543/00018—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
- B65D2543/00194—Shape of the outer periphery having straight sides, e.g. with curved corners four straight sides, e.g. trapezium or diamond square or rectangular
-
- 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
- B65D2543/00296—Plastic
-
- 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
- B65D2543/00601—Snapping means on the container
- B65D2543/00611—Profiles
- B65D2543/00629—Massive 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
- B65D2543/00722—Profiles
- B65D2543/0074—Massive 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
- B65D2543/00824—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
Definitions
- the present invention relates to a container comprising a number of side walls meeting at corners, a bottom, a top opening and a detachable lid covering the top opening, the top opening being provided with a peripherally extending outward directed ridge, the lid being provided with a peripherally extending downward bent engagement portion having an inward directed ridge adapted to grip under the outward directed ridge of the top opening, the lid further being provided with a skirt extending below the engagement portion from the inward directed ridge thereof, the outward directed ridge of the top opening and the corresponding inward directed ridge of the lid having curved corner sections at the corners at which the side walls of the container meet, said curved corner sections connecting side sections of the respective ridges.
- EP 1 681 242 B1 discloses a container of this type, having four walls meeting at rounded corners.
- a recess is formed in the skirt of the container wall near a corner, so that a pair of fingers may be inserted into the recess and thereby press upward on the skirt of the lid.
- a considerable force may be necessary to disengage the inward directed ridge of the lid from the outward directed ridge of the top opening. Pressing on the lower edge of the thin wall of the skirt may be inconvenient for the user.
- the inward directed ridge of the lid and/or the outward directed ridge of the top opening with a smaller cross-section or a smaller protrusion in the radial direction in the area of the corner to be opened than along the rest of the peripheral extension of the lid and top opening.
- the cross-section or the protrusion in the radial direction of the ridges cannot be too small, and consequently the lid may still be somewhat difficult to open.
- the object of the present invention is to facilitate the opening of the container without compromising the sealing effect between the lid and the top opening.
- At least one of the curved corner sections of the inward directed ridge of the lid is provided with a bendable skirt section being adapted to be bent to an outward directed position in such a way that a central part of the at least one curved corner section of the inward directed ridge of the lid is levered away from the outward directed ridge of the top opening and that engagement between the corresponding ridges thereby is weakened in an area at said central part.
- a pair of fingers may press on the lower side of bendable skirt section, thereby bending it outward and consequently weakening the engagement between the corresponding ridges, so that the necessary opening force is reduced and opening thereby facilitated.
- the engagement between the corresponding ridges is not weakened, and therefore the sealing effect is not compromised.
- the cross-section and/or the radial protrusion of the corresponding ridges may additionally be reduced in the corner to be opened in order to further facilitate opening of the container. It is also possible to form the corresponding ridges of another material than the rest of the lid or of the container; for instance, one or both of the ridges or even a larger part of the corner of the lid and/or of the top opening of the container may be formed of a softer and/or more elastic material incorporated by co-injection.
- the ridges may be formed with unreduced cross-section and/or radial protrusion along the entire periphery of the container in order to improve the sealing effect before opening the container. Due to the levering effect according to the invention, opening of the lid may still be possible and/or facilitated without changing the ridge form at the corner or corners to be opened.
- the bendable skirt section is prepared for bending about a bending line along which the material of the lid is weakened or about which the material of the lid is pre-bent.
- the bending line may be predetermined at the design stage of the container, and it may be ensured that the bendable skirt section is bent along a line providing optimized levering effect in order to effectively lift the inward directed ridge of the lid away from the outward directed ridge of the top opening. Furthermore, bending of the bendable skirt section may be facilitated.
- a bending line is formed in a bending section connecting the peripherally extending downward bent engagement portion and the skirt, and the bending section has an outside extending obliquely downward and outward, the outside thereby forming an angle with both the peripherally extending downward bent engagement portion and the skirt.
- the bending line extends below mutually contacting faces of the outward directed ridge of the top opening and the corresponding inward directed ridge of the lid, respectively.
- a protrusion is formed next to a bending line and on the outside of the engagement portion or on the outside of the bendable skirt section, and in that said protrusion is adapted to be pinched between the bendable skirt section and the engagement portion when bending the bendable skirt section to its outward directed position.
- the protrusion may enhance the levering effect in order to even more effectively lever a central part of the at least one curved corner section of the inward directed ridge of the lid away from the outward directed ridge of the top opening.
- At least a part of the bendable skirt section is separated from the remaining part of the skirt by means of two spaced elastic elements, such as parts of the skirt having a wall thickness thinner than the remaining part of the skirt or parts of the skirt having a bellows-type configuration.
- spaced elastic or expandable elements split at least part of the inward directed ridge of the lid at either side of the bendable skirt section. Thereby, disengagement between the inward directed ridge of the lid and the outward directed ridge of the top opening may be facilitated during opening of the container, thereby facilitating opening. This may be possible without compromising the sealing effect of the lid, because the spaced elastic or expandable elements may seal the split area of the inward directed ridge of the lid against fluid leakage.
- the bendable skirt section is separated from the remaining part of the skirt by means of two cuts or pre-cuts extending downward from an area below the inward directed ridge of the lid. This may be an embodiment easy to manufacture. In the case of pre-cuts, a tamper evident container may be provided.
- the bendable skirt section is separated from the remaining part of the skirt by means of at least two grooves formed in the outside surface of the skirt and extending downward from an area at the bending line to the lower edge of the skirt, said grooves reducing the wall thickness of the skirt so that the skirt may break along the grooves in order to bend the bendable skirt section to its outward directed position.
- This may be an embodiment easy to manufacture.
- a tamper evident container may be provided.
- the bendable skirt section is reinforced against bending along a line extending in its longitudinal direction, possibly by means of ribs extending at right angles to its longitudinal direction.
- the levering effect of the bendable skirt section may be improved in order to even more effectively lever the inward directed ridge of the lid away from the outward directed ridge of the top opening.
- the bendable skirt section is reinforced against bending along a line extending in its longitudinal direction by means of mutually spaced ribs extending at right angles to its longitudinal direction, said ribs having upper ends adapted to abut the outside of the engagement portion when bending the bendable skirt section to its outward directed position.
- the abutment of the protrusions in the form of the upper ends of the ribs may enhance the levering effect in order to even more effectively lever a central part of the at least one curved corner section of the inward directed ridge of the lid away from the outward directed ridge of the top opening.
- FIG. 1 is a cross-section through a corner of the container according to the invention along the line indicated in FIG. 3 ;
- FIG. 2 is a top view of the container
- FIG. 3 is a detail of the container as indicated in FIG. 2 ;
- FIG. 4 is a cross-sectional view corresponding to that of FIG. 1 of another embodiment of the container according to the invention.
- FIG. 5 is a perspective view of the outside of the corner of the lid of the container illustrated in FIG. 4 ;
- FIG. 6 is a cross-sectional view corresponding to that of FIG. 1 of yet another embodiment of the container according to the invention.
- FIGS. 7 and 8 are different perspective views of the embodiment of the container shown in FIG. 6 , whereby a bendable skirt section of the lid is in its original position and in its bent out position, respectively;
- FIGS. 9 and 10 are perspective views of the lid of the embodiment of the container shown in FIG. 6 , whereby a bendable skirt section of the lid is in its original position and in its bent out position, respectively;
- FIGS. 11 and 12 are different perspective views of a detail showing a bendable skirt section of the lid shown in FIGS. 9 and 10 , whereby the bendable skirt section is in its original position and in its bent out position, respectively.
- FIG. 2 shows a top view of a container 1 according to the invention.
- the container 1 has four side walls 2 meeting at corners 3 , a not shown bottom, a top opening 4 and a detachable lid 5 covering the top opening, see also FIG. 1 .
- the container 1 and the lid 5 comprised by the container are preferably produced in plastic material by injection moulding.
- the top opening 4 is provided with a peripherally extending outward directed ridge 6
- the lid 5 is provided with a peripherally extending downward bent engagement portion 7 having an inward directed ridge 8 adapted to grip under the outward directed ridge 6 of the top opening 4 .
- a membrane 20 of the lid is lowered in relation to the downward bent engagement portion 7 by means of a wall 19 .
- the lid 5 is further provided with a skirt 9 extending below the engagement portion 7 from the inward directed ridge 8 thereof.
- the outward directed ridge 6 of the top opening 4 and the corresponding inward directed ridge 8 of the lid 5 have curved corner sections 10 , 11 at the corners 3 at which the sides of the container 1 meet, said curved corner sections 10 , 11 connecting side sections of the respective ridges 6 , 8 .
- the curved corner section 10 of the outward directed ridge 6 and the curved corner section 11 of the inward directed ridge 8 are visible in cross-section in FIG. 1 .
- the curved corner section 11 of the inward directed ridge 8 of the lid 5 is provided with a bendable skirt section 12 being adapted to be bent to an outward directed position as it is seen in the figure and, for instance, approximately directed as indicated by the line 12 ′ in FIG. 1 .
- the container 1 is further provided with a skirt section 24 extending downwards at the outside of the upper edge of the side walls 2 .
- a grip opening not shown in FIG. 1 may be provided in the skirt section 24 below the bendable skirt section 12 , so that a finger may be inserted into the grip opening in order to grip below the edge of the bendable skirt section 12 to bend it to its outward directed position.
- a grip opening may be provided in the bendable skirt section 12 itself or any other suitable gripping means, such as a protrusion, may be provided on the bendable skirt section 12 in order to facilitate gripping.
- One or more of the curved corner sections 11 of the inward directed ridge 8 of the lid 5 may be provided with such a bendable skirt section 12 .
- two diagonally opposed corner sections 11 may be provided with a bendable skirt section 12 , such as at the lower, right corner 3 and at the upper, left corner 3 of the container 1 as shown in FIG. 2 .
- This may be advantageous, for instance, in an embodiment as shown in FIGS. 7 and 8 , wherein the container is substantially rectangular and is provided with diagonally opposed grip openings 23 in a skirt section 24 extending at the outside of the upper edge of the side walls 2 . Due to this configuration, the lid 5 may be mounted on the opening 4 of the container in any of two possible positions, thereby facilitating the assembly. In any of these positions, a bendable skirt section 12 will be placed above a corresponding grip opening 23 in the skirt section 24 .
- the bendable skirt section 12 may just as well be adapted to be bent to an outward directed position that is angled relative to the horizontal, for instance so that the outer free end of the bendable skirt section 12 is directed obliquely upwards.
- the outer free end of the bendable skirt section 12 may, in the bent out position of the bendable skirt section 12 , be directed obliquely downwards.
- the arrow 13 indicates the bending direction in which the bendable skirt section 12 is bent in such a way that a central part of the curved corner section 11 of the inward directed ridge 8 of the lid 5 is levered away from the outward directed ridge 6 of the top opening 4 and that engagement between the corresponding ridges 6 , 8 thereby is weakened in an area at said central part.
- the curved corner section 11 of the inward directed ridge 8 of the lid 5 is shown in cross-section in FIG. 1 and is not visible in FIG. 3 ; however, it is noted that the curved corner section 11 of the inward directed ridge 8 extends between the marks 14 and 15 in FIG. 3 and follows the rounded lines that are seen on the top side of the lid and that extend between these marks 14 , 15 .
- the above-mentioned central part of the curved corner section 11 of the inward directed ridge 8 of the lid 5 may, for instance, extend about 1 ⁇ 3 or about 1 ⁇ 2 of the length of the curved corner section 11 .
- the expression inward, when relating to the ridges 6 , 8 or anything else along the periphery of the container 1 means directed against a central vertical axis through the container when the container is placed with its bottom on a horizontal surface.
- Outward relates to the opposite direction, which is away from said vertical axis.
- all directions mentioned in this application relate to the container 1 when it is placed with its bottom on a horizontal surface.
- the bendable skirt section is prepared for bending about a bending line along which the material of the lid is weakened or about which the material of the lid is pre-bent or along which the material of the lid in any other suitable way is prepared or adapted to facilitate bending.
- a bending line 16 is formed in a bending section 17 connecting the peripherally extending downward bent engagement portion 7 and the skirt 9 .
- the bending section 17 has an outside extending obliquely downward and outward, the outside thereby forming an angle with both the peripherally extending downward bent engagement portion 7 and the skirt 9 .
- the bending line 16 is indicated in the area of the angle formed between the outside of the bending section 17 and the downward bent engagement portion 7 ; however, depending on the exact configuration of the form of the lid 5 , the bending line 16 may also be located further downwards of the bending section 17 .
- the bending line 16 may follow a path of different heights along the length of the curved corner section 11 of the inward directed ridge 8 .
- the bending line 16 may be positioned slightly higher at the central part of the curved corner section 11 than at end parts of the curved corner section 11 .
- the bending line 16 may be positioned slightly lower at the central part of the curved corner section 11 than at end parts of the curved corner section 11 .
- the bending line 16 extends below mutually contacting faces of the outward directed ridge 6 of the top opening 4 and the corresponding inward directed ridge 8 of the lid 5 , respectively. Thereby, it may be ensured that the inward directed ridge 8 is not broken during the bending operation.
- the bending line 16 is formed in a bending section 17 located well below the inward directed ridge 8 of the lid 5 .
- the bending line 16 is formed in a bending section 17 located at the upper part of the inward directed ridge 8 of the lid 5 .
- the bendable skirt section 12 is separated from the remaining part of the skirt 9 by means of two cuts 18 or pre-cuts extending downward from an area below the inward directed ridge 8 of the lid 5 .
- one or more further cuts separating the bendable skirt section 12 into two or more parts may be provided.
- the cuts 18 may in fact extend further upward and split at least part of the inward directed ridge 8 of the lid 5 at either side of the bendable skirt section 12 . However, in that case it may be preferred to cover the cut at least through the inward directed ridge 8 by means of elastic or expandable elements in order to ensure the sealing effect of the lid before and preferably also after opening and re-closing. It is noted that in such an embodiment, the bending line 16 may in part or entirely extend above the angle between the engagement portion 7 and the bending section 17 ; in fact, it may in part or entirely extend at a level with or even above the inward directed ridge 8 .
- At least a part of the bendable skirt section 12 is separated from the remaining part of the skirt 9 by means of two not shown spaced elastic elements, such as parts of the skirt 9 having a wall thickness thinner than the remaining part of the skirt or parts of the skirt having a bellows-type configuration. Thereby, the bendable skirt section 12 may return automatically to its initial position after opening of the lid.
- the bendable skirt section 12 is reinforced against bending along a line extending in its longitudinal direction, for instance, by means of reinforcing ribs or other suitable protrusions or the like. Thereby, the above-mentioned levering effect of the bendable skirt section 12 may be enhanced. In the embodiments shown in FIGS. 4 to 12 , this is done by means of ribs ( 21 ) extending at right angles to the longitudinal direction of the bendable skirt section 12 . Thereby, it may be ensured that the bendable skirt section 12 does not bend itself; on the contrary, it is rather bent in relation to the engagement portion 7 about a bending line 16 .
- the bendable skirt section 12 is separated from the remaining part of the skirt 9 by means of two grooves 22 formed in the outside surface of the skirt 9 and extending downward from an area at the bending line 16 to the lower edge of the skirt 9 .
- the grooves 22 reduce the wall thickness of the skirt 9 from a normal thickness T to a reduced thickness t, so that the skirt may break along the grooves 22 in order to bend the bendable skirt section 12 to its outward directed position 12 ′.
- the grooves 22 are seen to have a substantially triangular cross-sectional form.
- the bendable skirt section 12 is separated into two separate bendable skirt sections 12 a , 12 b by means of a groove 22 ′ similar to the grooves 22 separating the bendable skirt section 12 from the remaining part of the skirt 9 .
- the provision of this additional groove 22 ′ may further facilitate the bending up of the bendable skirt section 12 in that the separation of the bendable skirt section 12 into two separate bendable skirt sections 12 a , 12 b may reduce tensions in the bendable skirt section 12 during bending, especially in the longitudinal direction of, and near the lower edge of, the bendable skirt section 12 .
- the bendable skirt section 12 may further be separated into more separate bendable skirt sections by means of more supplementary grooves 22 ′.
- the grooves 22 , 22 ′ extend up to the obliquely, downward extending outside of the bending section 17 connecting the peripherally extending downward bent engagement portion 7 and the skirt 9 .
- the grooves 22 , 22 ′ providing the reduced wall thickness t also extend up to the upper part of the inward directed ridge 8 ; however, because of the thickness of the inward directed ridge 8 , the inward directed ridge 8 may not break when the skirt is broken along the grooves 22 in order to bend the bendable skirt section 12 to its outward directed position 12 ′.
- the part of the inward directed ridge 8 located above the grooves 22 may twist about its longitudinal axis in order to enable a central part of the curved corner section 11 of the inward directed ridge 8 of the lid 5 to be levered away from the outward directed ridge 6 of the top opening 4 , whereby engagement between the corresponding ridges 6 , 8 is weakened in an area at said central part.
- the bendable skirt section 12 is reinforced against bending along a line extending in its longitudinal direction by means of mutually spaced ribs 21 extending at right angles to its longitudinal direction, whereby the levering effect may be enhanced.
- the ribs 21 have upper ends 25 adapted to abut the outside of the engagement portion 7 when bending the bendable skirt section 12 to its outward directed position 12 ′.
- the upper ends 25 of the ribs 21 in the not bent position of the bendable skirt section 12 , are positioned above the bending section 17 and extend obliquely upwards in radial outward direction.
- the upper ends 25 of the ribs 21 will abut the outside of the engagement portion 7 , whereby the levering effect may be further enhanced.
- the configuration of the top opening 4 , the peripherally extending outward directed ridge 6 , the lid 5 , the peripherally extending downward bent engagement portion 7 , the inward directed ridge 8 and the skirt 9 corresponds to a large extend to that of the embodiment shown in FIG. 1 .
- the bendable skirt section 12 is reinforced against bending by means of mutually spaced ribs 21 extending at right angles to its longitudinal direction in a similar way to the embodiment shown in FIGS. 4 and 5 .
- the upper ends 25 of the ribs 21 are positioned above the bending section 17 and extend obliquely downwards in radial outward direction.
- the bending line 16 due to the ribs 21 , is formed somewhat above the bending section 17 that is located well below the inward directed ridge 8 of the lid 5 .
- the bending line 16 is, though, formed below the inward directed ridge 8 .
- the bendable skirt section 12 may be bent to a position even further than the position 12 ′ indicated in FIG. 6 , in which position the bendable skirt section 12 may extend obliquely upwards in radially outwards direction, before the upper ends 25 of the ribs 21 abut the outside of the engagement portion 7 .
- This may be advantageous in this embodiment, wherein the bending section 17 , as mentioned above, is located well below the inward directed ridge 8 of the lid 5 , and wherein the bending line 16 is located below the inward directed ridge 8 .
- the grooves 22 , 22 ′ are formed in the outside surface of the skirt 9 ; however, they may just as well be formed in the inside surface of the skirt 9 . In the latter case, the grooves 22 , 22 ′ may preferably extend no further up than to the lower area of the inward directed ridge 8 of the lid 5 in order not to break through the ridge.
- the substantially straight side walls 2 bend slightly in outward direction. They may, for instance, curve with a radius of 2 metres, but just as well with a radius of 30 centimetres or even less, whereas the curved corner section 10 of the outward directed ridge 6 and the curved corner section 11 of the inward directed ridge 8 may curve with a radius of about 3 centimetres.
- the radii of the curved corner sections 10 , 11 may be even smaller, such as about 1 to 2 centimetres. These radii may however just as well be larger than 3 centimetres.
- the container may have any suitable number of side walls 2 .
Abstract
The container (1) comprises a number of side walls (2) meeting at corners (3), a bottom, and a top opening (4) with a detachable lid (5). At a corner (3) of the container, a curved corner section (11) of an inward directed ridge (8) of the lid (5) is provided with a bendable skirt section (12) being adapted to be bent to an outward directed position (12′) in such a way that a central part of the curved corner section (11) of the inward directed ridge (8) of the lid (5) is levered away from an outward directed ridge (6) of the top opening (4) and that engagement between the corresponding ridges (6, 8) thereby is weakened in an area at said central part.
Description
- The present invention relates to a container comprising a number of side walls meeting at corners, a bottom, a top opening and a detachable lid covering the top opening, the top opening being provided with a peripherally extending outward directed ridge, the lid being provided with a peripherally extending downward bent engagement portion having an inward directed ridge adapted to grip under the outward directed ridge of the top opening, the lid further being provided with a skirt extending below the engagement portion from the inward directed ridge thereof, the outward directed ridge of the top opening and the corresponding inward directed ridge of the lid having curved corner sections at the corners at which the side walls of the container meet, said curved corner sections connecting side sections of the respective ridges.
-
EP 1 681 242 B1 (Superfos) discloses a container of this type, having four walls meeting at rounded corners. In order to open the container, a recess is formed in the skirt of the container wall near a corner, so that a pair of fingers may be inserted into the recess and thereby press upward on the skirt of the lid. However, due to the relatively small radius of the rounded corner, a considerable force may be necessary to disengage the inward directed ridge of the lid from the outward directed ridge of the top opening. Pressing on the lower edge of the thin wall of the skirt may be inconvenient for the user. - In order to overcome the force necessary to open the container, it is known to form the inward directed ridge of the lid and/or the outward directed ridge of the top opening with a smaller cross-section or a smaller protrusion in the radial direction in the area of the corner to be opened than along the rest of the peripheral extension of the lid and top opening. However, as a proper sealing effect of the lid has to be maintained, the cross-section or the protrusion in the radial direction of the ridges cannot be too small, and consequently the lid may still be somewhat difficult to open. There are also known containers having a lid with a relatively thicker skirt in the corner to be opened in order not to hurt the fingers.
- The object of the present invention is to facilitate the opening of the container without compromising the sealing effect between the lid and the top opening.
- In view of this object, in that at least one of the curved corner sections of the inward directed ridge of the lid is provided with a bendable skirt section being adapted to be bent to an outward directed position in such a way that a central part of the at least one curved corner section of the inward directed ridge of the lid is levered away from the outward directed ridge of the top opening and that engagement between the corresponding ridges thereby is weakened in an area at said central part.
- Thereby, in order to open the container, a pair of fingers may press on the lower side of bendable skirt section, thereby bending it outward and consequently weakening the engagement between the corresponding ridges, so that the necessary opening force is reduced and opening thereby facilitated. Before opening, the engagement between the corresponding ridges is not weakened, and therefore the sealing effect is not compromised.
- The cross-section and/or the radial protrusion of the corresponding ridges may additionally be reduced in the corner to be opened in order to further facilitate opening of the container. It is also possible to form the corresponding ridges of another material than the rest of the lid or of the container; for instance, one or both of the ridges or even a larger part of the corner of the lid and/or of the top opening of the container may be formed of a softer and/or more elastic material incorporated by co-injection.
- Alternatively, the ridges may be formed with unreduced cross-section and/or radial protrusion along the entire periphery of the container in order to improve the sealing effect before opening the container. Due to the levering effect according to the invention, opening of the lid may still be possible and/or facilitated without changing the ridge form at the corner or corners to be opened.
- In an embodiment, the bendable skirt section is prepared for bending about a bending line along which the material of the lid is weakened or about which the material of the lid is pre-bent. Thereby, the bending line may be predetermined at the design stage of the container, and it may be ensured that the bendable skirt section is bent along a line providing optimized levering effect in order to effectively lift the inward directed ridge of the lid away from the outward directed ridge of the top opening. Furthermore, bending of the bendable skirt section may be facilitated.
- In an embodiment, a bending line is formed in a bending section connecting the peripherally extending downward bent engagement portion and the skirt, and the bending section has an outside extending obliquely downward and outward, the outside thereby forming an angle with both the peripherally extending downward bent engagement portion and the skirt. Thereby, bending of the bendable skirt section may start along the angled connection between the engagement portion and the bending section and further continue by bending over the entire bending section. In this way, the position of bending may be well controlled.
- In an embodiment, the bending line extends below mutually contacting faces of the outward directed ridge of the top opening and the corresponding inward directed ridge of the lid, respectively. Thereby, it may be ensured that the inward directed ridge of the lid will not break during bending, and consequently the sealing effect after re-closing of the lid may be good.
- In an embodiment, a protrusion is formed next to a bending line and on the outside of the engagement portion or on the outside of the bendable skirt section, and in that said protrusion is adapted to be pinched between the bendable skirt section and the engagement portion when bending the bendable skirt section to its outward directed position. Thereby, the protrusion may enhance the levering effect in order to even more effectively lever a central part of the at least one curved corner section of the inward directed ridge of the lid away from the outward directed ridge of the top opening.
- In an embodiment, at least a part of the bendable skirt section is separated from the remaining part of the skirt by means of two spaced elastic elements, such as parts of the skirt having a wall thickness thinner than the remaining part of the skirt or parts of the skirt having a bellows-type configuration. Thereby, the sealing effect of the lid after re-closing of the container may be improved in that the bendable skirt section may flex elastically back at least approximately to its initial position, thereby ensuring good engagement between the inward directed ridge of the lid and the outward directed ridge of the top opening after closing.
- In an embodiment, spaced elastic or expandable elements split at least part of the inward directed ridge of the lid at either side of the bendable skirt section. Thereby, disengagement between the inward directed ridge of the lid and the outward directed ridge of the top opening may be facilitated during opening of the container, thereby facilitating opening. This may be possible without compromising the sealing effect of the lid, because the spaced elastic or expandable elements may seal the split area of the inward directed ridge of the lid against fluid leakage.
- In an embodiment, the bendable skirt section is separated from the remaining part of the skirt by means of two cuts or pre-cuts extending downward from an area below the inward directed ridge of the lid. This may be an embodiment easy to manufacture. In the case of pre-cuts, a tamper evident container may be provided.
- In an embodiment, the bendable skirt section is separated from the remaining part of the skirt by means of at least two grooves formed in the outside surface of the skirt and extending downward from an area at the bending line to the lower edge of the skirt, said grooves reducing the wall thickness of the skirt so that the skirt may break along the grooves in order to bend the bendable skirt section to its outward directed position. This may be an embodiment easy to manufacture. In the case of pre-cuts, a tamper evident container may be provided.
- In an embodiment, the bendable skirt section is reinforced against bending along a line extending in its longitudinal direction, possibly by means of ribs extending at right angles to its longitudinal direction. Thereby, the levering effect of the bendable skirt section may be improved in order to even more effectively lever the inward directed ridge of the lid away from the outward directed ridge of the top opening.
- In an embodiment, the bendable skirt section is reinforced against bending along a line extending in its longitudinal direction by means of mutually spaced ribs extending at right angles to its longitudinal direction, said ribs having upper ends adapted to abut the outside of the engagement portion when bending the bendable skirt section to its outward directed position. Thereby, the abutment of the protrusions in the form of the upper ends of the ribs may enhance the levering effect in order to even more effectively lever a central part of the at least one curved corner section of the inward directed ridge of the lid away from the outward directed ridge of the top opening.
- The invention will now be explained in more detail below by means of examples of embodiments with reference to the very schematic drawing, in which
-
FIG. 1 is a cross-section through a corner of the container according to the invention along the line indicated inFIG. 3 ; -
FIG. 2 is a top view of the container; -
FIG. 3 is a detail of the container as indicated inFIG. 2 ; -
FIG. 4 is a cross-sectional view corresponding to that ofFIG. 1 of another embodiment of the container according to the invention; -
FIG. 5 is a perspective view of the outside of the corner of the lid of the container illustrated inFIG. 4 ; -
FIG. 6 is a cross-sectional view corresponding to that ofFIG. 1 of yet another embodiment of the container according to the invention; -
FIGS. 7 and 8 are different perspective views of the embodiment of the container shown inFIG. 6 , whereby a bendable skirt section of the lid is in its original position and in its bent out position, respectively; -
FIGS. 9 and 10 are perspective views of the lid of the embodiment of the container shown inFIG. 6 , whereby a bendable skirt section of the lid is in its original position and in its bent out position, respectively; and -
FIGS. 11 and 12 are different perspective views of a detail showing a bendable skirt section of the lid shown inFIGS. 9 and 10 , whereby the bendable skirt section is in its original position and in its bent out position, respectively. -
FIG. 2 shows a top view of acontainer 1 according to the invention. Thecontainer 1 has fourside walls 2 meeting atcorners 3, a not shown bottom, a top opening 4 and adetachable lid 5 covering the top opening, see alsoFIG. 1 . Thecontainer 1 and thelid 5 comprised by the container are preferably produced in plastic material by injection moulding. Thetop opening 4 is provided with a peripherally extending outward directedridge 6, and thelid 5 is provided with a peripherally extending downwardbent engagement portion 7 having an inward directedridge 8 adapted to grip under the outward directedridge 6 of thetop opening 4. In the embodiment shown, amembrane 20 of the lid is lowered in relation to the downwardbent engagement portion 7 by means of awall 19. Thelid 5 is further provided with askirt 9 extending below theengagement portion 7 from the inward directedridge 8 thereof. The outward directedridge 6 of thetop opening 4 and the corresponding inward directedridge 8 of thelid 5 havecurved corner sections 10, 11 at thecorners 3 at which the sides of thecontainer 1 meet, saidcurved corner sections 10, 11 connecting side sections of therespective ridges curved corner section 10 of the outward directedridge 6 and the curved corner section 11 of the inward directedridge 8 are visible in cross-section inFIG. 1 . - At the lower,
right corner 3 of thecontainer 1 as shown inFIG. 2 , the curved corner section 11 of the inward directedridge 8 of thelid 5 is provided with abendable skirt section 12 being adapted to be bent to an outward directed position as it is seen in the figure and, for instance, approximately directed as indicated by theline 12′ inFIG. 1 . As it may be seen inFIG. 1 , thecontainer 1 is further provided with askirt section 24 extending downwards at the outside of the upper edge of theside walls 2. A grip opening not shown inFIG. 1 may be provided in theskirt section 24 below thebendable skirt section 12, so that a finger may be inserted into the grip opening in order to grip below the edge of thebendable skirt section 12 to bend it to its outward directed position. Alternatively, a grip opening may be provided in thebendable skirt section 12 itself or any other suitable gripping means, such as a protrusion, may be provided on thebendable skirt section 12 in order to facilitate gripping. - One or more of the curved corner sections 11 of the inward directed
ridge 8 of thelid 5 may be provided with such abendable skirt section 12. Especially, two diagonally opposed corner sections 11 may be provided with abendable skirt section 12, such as at the lower,right corner 3 and at the upper,left corner 3 of thecontainer 1 as shown inFIG. 2 . This may be advantageous, for instance, in an embodiment as shown inFIGS. 7 and 8 , wherein the container is substantially rectangular and is provided with diagonally opposedgrip openings 23 in askirt section 24 extending at the outside of the upper edge of theside walls 2. Due to this configuration, thelid 5 may be mounted on theopening 4 of the container in any of two possible positions, thereby facilitating the assembly. In any of these positions, abendable skirt section 12 will be placed above a corresponding grip opening 23 in theskirt section 24. - Although the
line 12′ inFIG. 1 is shown as an approximately horizontal line, thebendable skirt section 12 may just as well be adapted to be bent to an outward directed position that is angled relative to the horizontal, for instance so that the outer free end of thebendable skirt section 12 is directed obliquely upwards. Alternatively, the outer free end of thebendable skirt section 12 may, in the bent out position of thebendable skirt section 12, be directed obliquely downwards. Thearrow 13 indicates the bending direction in which thebendable skirt section 12 is bent in such a way that a central part of the curved corner section 11 of the inward directedridge 8 of thelid 5 is levered away from the outward directedridge 6 of thetop opening 4 and that engagement between the correspondingridges ridge 8 of thelid 5 is shown in cross-section inFIG. 1 and is not visible inFIG. 3 ; however, it is noted that the curved corner section 11 of the inward directedridge 8 extends between themarks FIG. 3 and follows the rounded lines that are seen on the top side of the lid and that extend between thesemarks ridge 8 of thelid 5 may, for instance, extend about ⅓ or about ½ of the length of the curved corner section 11. - In the context of this invention, the expression inward, when relating to the
ridges container 1 means directed against a central vertical axis through the container when the container is placed with its bottom on a horizontal surface. Outward relates to the opposite direction, which is away from said vertical axis. In fact, all directions mentioned in this application relate to thecontainer 1 when it is placed with its bottom on a horizontal surface. - Advantageously, the bendable skirt section is prepared for bending about a bending line along which the material of the lid is weakened or about which the material of the lid is pre-bent or along which the material of the lid in any other suitable way is prepared or adapted to facilitate bending.
- However, in the embodiment shown in
FIG. 1 , abending line 16 is formed in abending section 17 connecting the peripherally extending downwardbent engagement portion 7 and theskirt 9. The bendingsection 17 has an outside extending obliquely downward and outward, the outside thereby forming an angle with both the peripherally extending downwardbent engagement portion 7 and theskirt 9. InFIG. 1 , the bendingline 16 is indicated in the area of the angle formed between the outside of thebending section 17 and the downwardbent engagement portion 7; however, depending on the exact configuration of the form of thelid 5, the bendingline 16 may also be located further downwards of thebending section 17. In fact, in order to optimize the levering effect of thebendable skirt section 12, the bendingline 16 may follow a path of different heights along the length of the curved corner section 11 of the inward directedridge 8. For instance, the bendingline 16 may be positioned slightly higher at the central part of the curved corner section 11 than at end parts of the curved corner section 11. For instance, in another embodiment, the bendingline 16 may be positioned slightly lower at the central part of the curved corner section 11 than at end parts of the curved corner section 11. - It may be preferred that the bending
line 16 extends below mutually contacting faces of the outward directedridge 6 of thetop opening 4 and the corresponding inward directedridge 8 of thelid 5, respectively. Thereby, it may be ensured that the inward directedridge 8 is not broken during the bending operation. - In the embodiment shown in
FIG. 1 , it is seen that the bendingline 16 is formed in abending section 17 located well below the inward directedridge 8 of thelid 5. In the embodiment shown inFIG. 4 , it is seen that the bendingline 16 is formed in abending section 17 located at the upper part of the inward directedridge 8 of thelid 5. - In the embodiment shown in
FIG. 3 , it is seen that that thebendable skirt section 12 is separated from the remaining part of theskirt 9 by means of twocuts 18 or pre-cuts extending downward from an area below the inward directedridge 8 of thelid 5. In further embodiments, one or more further cuts separating thebendable skirt section 12 into two or more parts may be provided. - The
cuts 18 may in fact extend further upward and split at least part of the inward directedridge 8 of thelid 5 at either side of thebendable skirt section 12. However, in that case it may be preferred to cover the cut at least through the inward directedridge 8 by means of elastic or expandable elements in order to ensure the sealing effect of the lid before and preferably also after opening and re-closing. It is noted that in such an embodiment, the bendingline 16 may in part or entirely extend above the angle between theengagement portion 7 and thebending section 17; in fact, it may in part or entirely extend at a level with or even above the inward directedridge 8. - In an embodiment, at least a part of the
bendable skirt section 12 is separated from the remaining part of theskirt 9 by means of two not shown spaced elastic elements, such as parts of theskirt 9 having a wall thickness thinner than the remaining part of the skirt or parts of the skirt having a bellows-type configuration. Thereby, thebendable skirt section 12 may return automatically to its initial position after opening of the lid. - In an embodiment, the
bendable skirt section 12 is reinforced against bending along a line extending in its longitudinal direction, for instance, by means of reinforcing ribs or other suitable protrusions or the like. Thereby, the above-mentioned levering effect of thebendable skirt section 12 may be enhanced. In the embodiments shown inFIGS. 4 to 12 , this is done by means of ribs (21) extending at right angles to the longitudinal direction of thebendable skirt section 12. Thereby, it may be ensured that thebendable skirt section 12 does not bend itself; on the contrary, it is rather bent in relation to theengagement portion 7 about abending line 16. - In the embodiment shown in
FIGS. 4 and 5 , thebendable skirt section 12 is separated from the remaining part of theskirt 9 by means of twogrooves 22 formed in the outside surface of theskirt 9 and extending downward from an area at thebending line 16 to the lower edge of theskirt 9. Thegrooves 22 reduce the wall thickness of theskirt 9 from a normal thickness T to a reduced thickness t, so that the skirt may break along thegrooves 22 in order to bend thebendable skirt section 12 to its outward directedposition 12′. In the embodiment shown, thegrooves 22 are seen to have a substantially triangular cross-sectional form. Furthermore, in the embodiment shown, thebendable skirt section 12 is separated into two separatebendable skirt sections groove 22′ similar to thegrooves 22 separating thebendable skirt section 12 from the remaining part of theskirt 9. The provision of thisadditional groove 22′ may further facilitate the bending up of thebendable skirt section 12 in that the separation of thebendable skirt section 12 into two separatebendable skirt sections bendable skirt section 12 during bending, especially in the longitudinal direction of, and near the lower edge of, thebendable skirt section 12. In other embodiments, thebendable skirt section 12 may further be separated into more separate bendable skirt sections by means of moresupplementary grooves 22′. - It is noted that, in the embodiment shown in
FIGS. 4 and 5 , thegrooves bending section 17 connecting the peripherally extending downwardbent engagement portion 7 and theskirt 9. As thebending section 17 in this embodiment is located at the upper part of the inward directedridge 8 of thelid 6, thegrooves ridge 8; however, because of the thickness of the inward directedridge 8, the inward directedridge 8 may not break when the skirt is broken along thegrooves 22 in order to bend thebendable skirt section 12 to its outward directedposition 12′. Therefore, when thebendable skirt section 12 is bent to its outward directedposition 12′, the part of the inward directedridge 8 located above thegrooves 22 may twist about its longitudinal axis in order to enable a central part of the curved corner section 11 of the inward directedridge 8 of thelid 5 to be levered away from the outward directedridge 6 of thetop opening 4, whereby engagement between the correspondingridges - Furthermore, in the embodiment shown in
FIGS. 4 and 5 , it is noted, as explained above, that thebendable skirt section 12 is reinforced against bending along a line extending in its longitudinal direction by means of mutually spacedribs 21 extending at right angles to its longitudinal direction, whereby the levering effect may be enhanced. Theribs 21 have upper ends 25 adapted to abut the outside of theengagement portion 7 when bending thebendable skirt section 12 to its outward directedposition 12′. It is noted that, in this embodiment, the upper ends 25 of theribs 21, in the not bent position of thebendable skirt section 12, are positioned above the bendingsection 17 and extend obliquely upwards in radial outward direction. During the bending operation, at a point in time, the upper ends 25 of theribs 21 will abut the outside of theengagement portion 7, whereby the levering effect may be further enhanced. - In the embodiment shown in
FIGS. 6 to 12 , the configuration of thetop opening 4, the peripherally extending outward directedridge 6, thelid 5, the peripherally extending downwardbent engagement portion 7, the inward directedridge 8 and theskirt 9 corresponds to a large extend to that of the embodiment shown inFIG. 1 . However, thebendable skirt section 12 is reinforced against bending by means of mutually spacedribs 21 extending at right angles to its longitudinal direction in a similar way to the embodiment shown inFIGS. 4 and 5 . However, as it may be seen inFIG. 6 , in this embodiment, the upper ends 25 of theribs 21, in the not bent position of thebendable skirt section 12, are positioned above the bendingsection 17 and extend obliquely downwards in radial outward direction. Further, it is noted that the bendingline 16, due to theribs 21, is formed somewhat above the bendingsection 17 that is located well below the inward directedridge 8 of thelid 5. The bendingline 16 is, though, formed below the inward directedridge 8. During the bending operation, at a point in time, the upper ends 25 of theribs 21 will abut the outside of theengagement portion 7, whereby the levering effect may be further enhanced. Due to the, in radial outward direction, obliquely downwards extent of the upper ends 25 of theribs 21, thebendable skirt section 12 may be bent to a position even further than theposition 12′ indicated inFIG. 6 , in which position thebendable skirt section 12 may extend obliquely upwards in radially outwards direction, before the upper ends 25 of theribs 21 abut the outside of theengagement portion 7. This may be advantageous in this embodiment, wherein thebending section 17, as mentioned above, is located well below the inward directedridge 8 of thelid 5, and wherein thebending line 16 is located below the inward directedridge 8. - It is noted that in the embodiment shown in
FIGS. 4 and 5 as well as in the embodiment shown inFIGS. 6 to 12 , thegrooves skirt 9; however, they may just as well be formed in the inside surface of theskirt 9. In the latter case, thegrooves ridge 8 of thelid 5 in order not to break through the ridge. - In
FIG. 2 it is seen that, in the shown embodiment, the substantiallystraight side walls 2 bend slightly in outward direction. They may, for instance, curve with a radius of 2 metres, but just as well with a radius of 30 centimetres or even less, whereas thecurved corner section 10 of the outward directedridge 6 and the curved corner section 11 of the inward directedridge 8 may curve with a radius of about 3 centimetres. However, with the improvements according to the invention, the radii of thecurved corner sections 10, 11 may be even smaller, such as about 1 to 2 centimetres. These radii may however just as well be larger than 3 centimetres. The container may have any suitable number ofside walls 2.
Claims (7)
1-11. (canceled)
12. A container (1) comprising a number of side walls (2) meeting at corners (3), a bottom, a top opening (4) and a detachable lid (5) covering the top opening, the top opening being provided with a peripherally extending outward directed ridge (6), the lid (5) being provided with a peripherally extending downward bent engagement portion (7) having an inward directed ridge (8) adapted to grip under the outward directed ridge (6) of the top opening, the lid (5) further being provided with a skirt (9) extending below the engagement portion (7) from the inward directed ridge (8) thereof, the outward directed ridge (6) of the top opening (4) and the corresponding inward directed ridge (8) of the lid (5) having curved corner sections (10, 11) at the corners (3) at which the side walls (2) of the container meet, said curved corner sections (10, 11) connecting side sections of the respective ridges (6, 8), where at least one of the curved corner sections (11) of the inward directed ridge (8) of the lid (5) is provided with a bendable skirt section (12) being adapted to be bent to an outward directed position (12′) in such a way that a central part of the at least one curved corner section (11) of the inward directed ridge (8) of the lid is levered away from the outward directed ridge (6) of the top opening (4) and that engagement between the corresponding ridges (6, 8) thereby is weakened in an area at said central part, wherein the bendable skirt section (12) is separated from the remaining part of the skirt (9) by means of two cut or pre-cuts extending downward from an area below the inward directed ridge (8) of the lid or by means of at least two grooves (22) formed in the outside surface of the skirt (9) and extending downward from an area at the bending line (16) to the lower edge of the skirt (9), said grooves (22) reducing the wall thickness of the skirt (9) so that the skirt is breakable along the grooves (22) in order to bend the bendable skirt section (12) to its outward directed position (12′), the bending line (16) extending below mutually contacting faces of the outward directed ridge (6) of the top opening (4) and the corresponding inward directed ridge (8) of the lid (5), respectively.
13. The container according to claim 12 , wherein the bendable skirt section (12) is prepared for bending about a bending line (16) along which the material of the lid (5) is weakened or about which the material of the lid is pre-bent.
14. The container according to claim 12 , wherein a bending line (16) is formed in a bending section (17) connecting the peripherally extending downward bent engagement portion (7) and the skirt (9), and in that the bending section (17) has an outside extending obliquely downward and outward, the outside thereby forming an angle with both the peripherally extending downward bent engagement portion and the skirt.
15. The container according to claim 12 , wherein a protrusion is formed next to a bending line (16) and on the outside of the engagement portion (7) or on the outside of the bendable skirt section (12), and in that said protrusion is adapted to be pinched between the bendable skirt section (12) and the engagement portion (7) when bending the bendable skirt section (12) to its outward directed position (12′).
16. The container according to claim 12 , wherein the bendable skirt section (12) is reinforced against bending along a line extending in its longitudinal direction, possibly by means of ribs (21) extending at right angles to its longitudinal direction.
17. The A container according to claim 12 , wherein the bendable skirt section (12) is reinforced against bending along a line extending in its longitudinal direction by means of mutually spaced ribs (21) extending at right angles to its longitudinal direction, said ribs (21) having upper ends (25) adapted to abut the outside of the engagement portion (7) when bending the bendable skirt section (12) to its outward directed position (12′).
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FR3106337B1 (en) | 2020-01-17 | 2021-12-17 | Roquette Freres | Packaging |
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- 2011-01-07 US US13/521,625 patent/US20130098914A1/en not_active Abandoned
- 2011-01-07 EP EP11700245.1A patent/EP2523866B1/en not_active Not-in-force
- 2011-01-07 RU RU2012133071/12A patent/RU2531898C2/en not_active IP Right Cessation
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- 2011-01-07 MX MX2012008013A patent/MX2012008013A/en active IP Right Grant
- 2011-01-07 WO PCT/EP2011/050152 patent/WO2011083139A1/en active Application Filing
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- 2011-01-07 CA CA2786808A patent/CA2786808C/en not_active Expired - Fee Related
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Cited By (10)
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USD826045S1 (en) * | 2010-01-11 | 2018-08-21 | Rpc Superfos A/S | Container lid with corner lever |
JP2015117049A (en) * | 2013-12-19 | 2015-06-25 | シロウマサイエンス株式会社 | Container |
KR200480372Y1 (en) * | 2014-09-02 | 2016-05-16 | 이민규 | multistage-food container |
US10329056B2 (en) * | 2014-11-07 | 2019-06-25 | Rpc Superfos A/S | Lid lever for container |
US9834340B2 (en) | 2015-03-02 | 2017-12-05 | Dart Container Corporation | Tamper evident and resistant container |
US9994369B2 (en) | 2015-03-02 | 2018-06-12 | Dart Container Corporation | Tamper evident and resistant container |
EP3214007A1 (en) * | 2016-03-02 | 2017-09-06 | Dart Container Corporation | Tamper evident and resistant container |
JP2019524588A (en) * | 2016-08-11 | 2019-09-05 | ノーマン タイラー,クレン | Improved plastic container body and container closure and carry handle grip / container lever release tool assembly |
US11498726B2 (en) * | 2017-03-21 | 2022-11-15 | Display Pack, Inc. | Tamper-evident thermoformed packaging |
USD919429S1 (en) * | 2019-05-13 | 2021-05-18 | Michael Hoerauf Maschinenfabrik Gmbh Und Co. Kg | Container |
Also Published As
Publication number | Publication date |
---|---|
USD826045S1 (en) | 2018-08-21 |
ZA201205618B (en) | 2013-04-24 |
PT2523866E (en) | 2014-06-24 |
EP2523866A1 (en) | 2012-11-21 |
PL2523866T3 (en) | 2014-09-30 |
MA33990B1 (en) | 2013-02-01 |
MX2012008013A (en) | 2012-11-30 |
AU2011204619B2 (en) | 2016-05-19 |
AU2011204619A1 (en) | 2012-08-02 |
DK2523866T3 (en) | 2014-06-30 |
RU2531898C2 (en) | 2014-10-27 |
CA2786808A1 (en) | 2011-07-14 |
TN2012000354A1 (en) | 2014-01-30 |
CA2786808C (en) | 2019-05-21 |
ES2472946T3 (en) | 2014-07-03 |
WO2011083139A1 (en) | 2011-07-14 |
NZ601237A (en) | 2013-11-29 |
RU2012133071A (en) | 2014-02-20 |
EP2523866B1 (en) | 2014-03-19 |
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Legal Events
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Owner name: SUPEROFS A/S, DENMARK Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:PUDSELYKKE, LARS;REEL/FRAME:029125/0183 Effective date: 20120930 |
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