WO2002000509A1 - Boite pliante pourvue d'une portion de base etanche - Google Patents

Boite pliante pourvue d'une portion de base etanche Download PDF

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Publication number
WO2002000509A1
WO2002000509A1 PCT/IB2000/001334 IB0001334W WO0200509A1 WO 2002000509 A1 WO2002000509 A1 WO 2002000509A1 IB 0001334 W IB0001334 W IB 0001334W WO 0200509 A1 WO0200509 A1 WO 0200509A1
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WO
WIPO (PCT)
Prior art keywords
flaps
base
flap
carton
box
Prior art date
Application number
PCT/IB2000/001334
Other languages
English (en)
Inventor
Amit Ben-Haim
Original Assignee
Allied Balfour Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Allied Balfour Limited filed Critical Allied Balfour Limited
Priority to AU70341/00A priority Critical patent/AU7034100A/en
Publication of WO2002000509A1 publication Critical patent/WO2002000509A1/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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/40—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper specially constructed to contain liquids
    • 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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/02—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body
    • B65D5/0227—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body with end closures formed by inward folding of flaps and securing them by heat-sealing, by applying adhesive to the flaps or by staples
    • 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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/54—Lines of weakness to facilitate opening of container or dividing it into separate parts by cutting or tearing
    • B65D5/5405—Lines of weakness to facilitate opening of container or dividing it into separate parts by cutting or tearing for opening containers formed by erecting a blank in tubular form
    • 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
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/22—Details
    • B65D77/24—Inserts or accessories added or incorporated during filling of containers
    • B65D77/245—Utensils for removing the contents from the package, e.g. spoons, forks, spatulas

Definitions

  • the present invention relates to improvements in folded cartons, especially cartons suitable for liquid or semi-solid materials. More particularly, the present invention relates to a carton formed from a foldable blank having two base flaps, continuous with the front and rear panels, and two side base flaps, continuous with the side panels, which are used to construct a leak-proof base portion.
  • Folding boxes and food cartons are well known in the packaging art. These boxes are usually constructed from flat blanks, which are pre-cut and pre-scored cardboard sheets and which can be folded into the required shape, and secured by means of known adhesives.
  • the boxes are used for packaging retail products, particularly consumable goods such as milk, butter, ice-cream, etc.
  • packing machinery is used to first form the carton from the blank; then fill it with product and finally seal the fully assembled carton in accordance with a prescribed folding sequence and adhesive pattern applied to the sealing flaps.
  • Frozen, consumable products are most frequently supplied in cartons made of plastic or cardboard material comprising a container portion and a separate lid. A spoon for eating the product is then needed to be supplied separately from the product.
  • cartons are environmentally unfriendly, are not tamper proof and are not convenient.
  • the round- shaped tubs in which frozen desserts and the like are most usually supplied to the consumer are not ideal from the retailer's perspective either, since the tubs cannot be easily shrink-wrapped, cannot be sold in rectangular multi-packs and cannot be displayed on available shelf space as efficiently as rectangular items.
  • Further state of the art boxes include those formed as a single unit from blanks which are suitable for such liquid food products as milk or such semi-solid products as ice cream and frozen yogurt.
  • Such boxes have a number of drawbacks, too, including leakage of the contents from the box in certain conditions and difficulty of opening and eating from them.
  • a large number of flaps are used to assemble and secure the prior art box into its constructed state. These flaps are visible from the outside thus reducing the neat appearance of the box. This results in the box being less consumer-appealing.
  • a further object of the present invention is to provide a box which is tamper evident.
  • a desired object is to provide a food container which can be easily eaten from.
  • a further object of the present invention is to provide a box in which means for consuming the contents thereof is conveniently provided.
  • Another object of the present invention is to provide a rectangular box, preferably for food, which may be conveniently shrink-wrapped and is suitable for supplying to the consumer in multi-pack portions to result in a much bigger and efficient usage of pallets for improved distribution and display of the boxes.
  • the present invention provides a box, suitable for a liquid or semi- solid food product, made up from a cardboard or laminated blank which is used to form a three dimensional rectangular section box.
  • the blank has a body portion having a side panel, a rear panel, a second side panel and a front panel.
  • a lid portion is provided with two overlapping flaps and a third top flap secured to the body portion by an adhesive.
  • a base portion is provided which has two base flaps and two side base flaps. In addition to the two base flaps and two side base flaps, the base portion has triangular folding sections continuous with the above four flaps, with one of these folding sections located between any two of the four flaps.
  • the base portion is formed by folding inwards of the two base flaps and two side base flaps which results in the folding sections being hidden underneath the side base flaps, thereby substantially sealing the corners of the carton.
  • the base flaps and the side base flaps are secured together by means of a conventional, food compatible adhesive. It is preferable that the flaps of the box be secured by means of a hot, melt adhesive.
  • the front panel of the body portion is provided with an end flap for securing the front panel to the side panel, during assembly of the box.
  • a strip of adhesive is preferably provided along the intended innermost surface of the end flap for securement to the outside or inside of the side panel.
  • the side panels of the body portion are substantially of the same dimension as one another, as are the rear and front panels to each other, such as to form a three dimensional rectangular box in the assembled state.
  • An additional flange may be provided ni ning along the length of the end flap of the rear panel between the end flaps of the side panel.
  • the connection between the flange and the end flap is half cut to allow the flange to be bent at approximately 90° and tucked in against the front panel in the assembled box.
  • the lid portion is formed by two overlapping flaps which are continuous with the side panels of the body portion, being separated therefrom by fold lines, and a third top flap, continuous with either the front panel or the rear panel.
  • the top flap covers the two overlapping flaps and is adhered to the body of the carton.
  • one of the overlapping flaps is greater in length than the other such that, in the assembled box, the longer flap overlaps the shorter flap, or vice versa.
  • a suspended surface within the lid portion can be created by these two overlapping flaps. In this manner, a spoon or other means for consuming or removing the contents of the box such as a cardboard, plastic or wooden spoon or other item may be placed on the surface created by the overlapping flaps.
  • the two overlapping flaps of the lid portion are each provided with a series of substantially parallel crease lines running near to and parallel with the fold line separating the flaps from their respective side panels.
  • the creases are provided across approximately one third of the length of the flap.
  • the supplied item e.g., wooden spoon
  • the crease lines allow expansion of the food container, without departing from the overall rectangular shape, if too much food product is provided.
  • the crease lines allow for a thick material to be held on the suspended surface without diminishing the quality of food placed therein. It can be seen then, that the crease lines give resiliency or flexibility to the suspended surface to enable it to accommodate a range of positions depending on quantity of food placed in the container and thickness of food-eating equipment integrally packaged in the container.
  • the top flap comprises two sections, a first section for folding over the overlapping end flaps of the side panels and a second section for folding over the front panel and securing the lid to the body portion by means of adhesive.
  • the second section is provided with a tear-away zipper means for detaching the lid portion from the body portion to enable selective opening of the box.
  • the top flap is continuous with the rear panel of the body portion.
  • the top flap comprises two sections, one section being continuous with the rear panel of the body portion and the second section being continuous with the front panel of the body portion, both sections being separated from their respective panels by fold lines.
  • the sections are at least half the width of their respective panels, preferably being approximately two-thirds the width thereof.
  • Each portion is provided with a line of complimentary spaced apart cut lines to form respectively male and female portions of a tear-away zipper.
  • the sections are folded over the overlapping end flaps of the side panels and secured to each other by means of adhesive.
  • a line of adhesive is provided between the outermost edge of one of the sections and the cut line thereof for securement to the corresponding part of the underlying section.
  • the complimentary spaced apart cut lines of the sections form a tear-away strip in the assembled box which, upon removal, results in the simultaneous removal of the adhesive which secures the two flaps.
  • This is advantageous for safety reasons in that adhesive is not left on the box which may be accidently ingested, particularly by a child.
  • Cut lines into but not through the cardboard are preferably provided above and below the tear-away strip to prevent pulling away of the cardboard above or below the zipper strip when it is removed. Additionally, a tab may be provided at one end of the zipper strip to assist in the removal thereof.
  • the scaled end flap of the top panel provides a barrier between the contents of the box and the external surroundings which is desirable for hygienic purposes.
  • the intact tear-away zipper also provides evidence that the box has not been tampered with.
  • Each of the two overlapping flaps of the lid portion may also be provided with a line of weakness, for example a line of perforations or half-cut lines, near to or at the fold line with their respective side panel. This allows convenient removal of the flaps upon opening the box to enable easier access to the contents thereof.
  • a line of weakness for example a line of perforations or half-cut lines
  • the assembled box may be shrink wrapped, may be produced in a variety of sizes and may be conveniently supplied in multi-packs. It is clear that any suitable means for assisting in the removal of the contents from the box, such as a spoon or fork, may be inserted into the box before, closing and sealing.
  • the means may be made of plastic or any other suitable material, and may be wrapped in a suitable casing (e.g., plastic sheet for hygeniety).
  • Figure 1 is a front view of a flat blank for a box according to one preferred embodiment of the present invention
  • Figure 2 is a perspective view of a folded-up and sealed box made from the blank of Figure 1;
  • Figure 3 is a perspective view of the opened box shown in Figure 1 with a flat wooden spoon being visible;
  • Figure 4 is a front view of a flat blank for a box according to another preferred embodiment of the present invention.
  • Figure 5 is a perspective view of a folded-up and sealed box made from the blank of Figure 4;
  • Figure 6 is a perspective view of the opened box shown in Figure 1 with a plastic spoon visible after the tear-away zipper is removed;
  • Figure 7 is a flat blank for a box according to a further embodiment of the present invention.
  • Figure 8 is a front view of a flat blank for folding a carton with a leak-proof base portion, in accordance with one of the embodiments of the present invention.
  • Figure 9 is a perspective view of the carton as it is being folded from the blank shown in Figure 8, wherein one of the base flaps is first folded in to cover the bottom opening;
  • Figure 10 is a perspective view of the carton as it is being folded from the blank shown in Figure 8, wherein both base flaps are folded in and secured to one another by adhesive in the process of forming a leak-proof base portion of a container;
  • Figure 11 is a perspective view of the carton, after the base has been folded and assembled, with a leak-proof base portion formed from the blank shown in Figure
  • Figure 12 is a photograph of a side view of the carton as it is first folded from the blank shown in Figure 8, wherein the end flap is folded over the outside of one of the side panels and secured thereto by means of adhesive;
  • Figure 13 is a photograph of an end view of the carton as it is being folded from the blank shown in Figure 8, wherein a first of the base flaps is brought in to cover the bottom opening;
  • Figure 14 is a photograph of the end of the carton as it is being folded from the blank shown in Figure 8, wherein both base flaps are folded in, one overlapping the other, and secured to one another by adhesive in the process of forming a leak-proof base portion of a container;
  • Figure 15 is a photograph of the end view of the carton as it is being folded from the blank shown in Figure 8, wherein both side base flaps are folded in and secured over the two base flaps by adhesive in the process of forming a leak-proof base portion of a container.
  • a box 200 is constructed from a blank 100, as shown in Figure 1.
  • the blank 100 is cut and folded from cardboard or other laminated stock having its intended inner surface coated with polyethylene, wax or any other known barrier depending upon the food stuff to be contained in the box thereby preventing seepage of the contents of the box through the cardboard.
  • the blank has a base-forming section 1, a body-forming section 3 and a lid- forming section 5.
  • the body-forming section 3 comprises, in the given order and separated by fold lines, a side panel 22, a rear panel 2, a second side panel 24, and a front panel 6 provided with an end flap 8.
  • Each of the respective panels 22, 2, 24 and 6 have flaps 26, 28, 30 and 32, respectively, which comprise the base-forming section 1.
  • Each of the panels 22, 2 and 24 are also provided respectively with further flaps 34, 4a, 4b and 38, opposite the flaps of the base-forming section 1. These comprise the lid- forming section 5.
  • Top flap 4a is continuous with or the extension of the rear panel 2 of the base forming section, being separated therefrom by a fold line, and has a second section 4b, continuous therewith but separated by fold lines, which is provided with a tear-away strip or cardboard zipper 40 of the known type. Above and below the zipper 40 are cut lines (not visible in Figure 1) scored into but not through the cardboard material. These lines prevent the pulling away of the cardboard above or below the strip when the zipper 40 is torn off. One end of the strip 40 is provided with a pull tab 41 to enable easy removal thereof.
  • the side panels 22 and 24 are folded to lay substantially perpendicular to the rear panel 2.
  • the front panel 6 is then folded across, extending over rear panel 2, to meet the side panel 22 and the end flap 8 is folded over the outside of side panel 22 and secured thereto by means of adhesive, thereby forming the body portion 3 of the box.
  • the end flaps 30 and 26 of the side panels 24 and 22, respectively, are then folded inwardly, in order, such that the ends thereof at least meet or, preferably, overlap.
  • the end flap 28 of the rear panel 2 is folded over these flaps 30 and 26 and the remaining end flap 32 is folded over and adhered to flap 28 to form a completed base section 1 and body section 3 of the box. It is generally at this point that the food product is poured into the box.
  • Flaps 38 and 34 of side panels 24 and 22, respectively, are then folded over such that flap 34 (which is preferably longer) overlays at least a portion of flap 38.
  • the flaps 38 and 34 each have a series of parallel crease lines 46 extending across approximately one third of the length of each flap, running parallel to the fold line which separates the flaps from their respective side panels 24 and 22.
  • the crease lines 46 of the flaps are pushed inwardly towards their respective side panel, a portion being flush therewith, with the non-creased portion of each flap 38 and 34 lying substantially perpendicularly to the side panels so as to form, along with the balance of the flaps, a suspended surface across the opening of the box.
  • a flat wood spoon or other item may then be placed on top of the suspended surface before folding the top flap 4a over the flaps 38 and 34 and securing the second section 4b to the outside of the front panel 6 by means of a strip of adhesive to complete construction of a closed, assembled box, as shown in Figure 2.
  • This provides for a spoon or other item to be contained within the sealed box.
  • the item placed onto the suspended surface is prevented from contacting both the food stuff and the end flap of the front panel.
  • the flap of the front panel provides a satisfactory barrier between the contents of the box and its surroundings which is advantageous for hygienic purposes. It is to be appreciated that the above described construction of the top portion of the carton allows for flexibility or a measure of resiliency of the formed suspended surface.
  • the suspended surface extending over the food, has flexibility to move up, for example, to accommodate a larger amount of product to be injected into the carton, or to move down, for example, to accommodate a larger object, e.g. a thicker spoon or several spoons, to be placed on top of it.
  • the top flap is also tamper proof, i.e., it shows evidence of tampering.
  • the overlapping flaps 34 and 38 originally connected to the main body of the box by two half cuts or score lines, can, after the box is originally opened and the utensil removed, be fully torn off and disposed.
  • the assembled box 200 may be easily opened to remove the spoon S from the suspended surface and expose the contents thereof. This is done by removing the tear-away strip 40, lifting up the flap 4b, removing the spoon S and folding the flaps 34 and 38 outwardly.
  • the flaps 34 and 38 may also be provided with a line of perforations or half-cut lines (not shown) near to or at the fold line with their respective side panel to allow the convenient removal of the flaps to provide easier access to the contents of the box.
  • FIGS 4 to 6 of the accompanying drawings illustrate a second preferred embodiment of a box according to the present invention.
  • the rear panel 2 of the base-forming section 3 is provided with a flap 54 in place of the two-panel flap 4a and 4b of the first embodiment. Flap 54 is approximately two-thirds the width of the rear panel.
  • the flap 54 has a line of spaced apart cuts 60a formed therethrough which create a female portion of a tear-away zipper. Below the zip cuts 60a is a continuous cut line 48, into but not through the cardboard material (not visible in Figure 4).
  • the front panel 6 bas a second flap 56 opposite the flap 32 which forms part of the base-forming section 1.
  • the flap 56 is of similar dimensions to the flap 54 of the rear panel 2 and is provided with a line of spaced apart cuts 60b to create a corresponding male portion of a tear-away zipper, having a continuous cut line 48 (not shown in Fig. 4) immediately below the cuts 60b.
  • the base and body portions 1, 3 are constructed according to the instructions already described in relation to Figures 1 to 3 except that, here, the end flaps 26 and 30 of the side panels 22 and 24 respectively are folded over the end flap 28 of the rear panel 2. Then, the end flap 32 of the front panel 6 is secured to the end flaps of the side panels.
  • the end flap 30 is provided with an indented or recessed side edge 33 to prevent the flap from being visible in the fully assembled box.
  • the lid portion 5 is formed by folding inwardly flaps 38 and 34 such that flap 38 lies beneath flap 34, i.e., flap 34 overlaps flap 38. Again, crease lines 46 are provided in the two flaps 34 and 38 to allow the construction of a suspended surface basically parallel to the flaps 28 and 32. A spoon S or another eating utensil, may then be inserted to lay on the surface formed by the overlapping flaps 34 and 38. Flap 56 is then folded over flaps 38 and 34, and then flap 54 is folded over and adhered to flap 56 by providing a strip of adhesive between the top edge of flap 54 and the cut lines 60a, to form the closed box 200 as shown in Figure 5.
  • the sealed box of Figs. 4 and 5 may be easily opened to first remove the spoon S and then to expose the contents thereof by tearing away the zipper formed by the complimentary female and male portions 60a and 60b, and lifting up flaps 54 and 56 and remaining flaps 34 and 38.
  • FIG. 7 A further blank for forming a box according to the present invention is shown in Figure 7.
  • the blank is provided with an additional flange 62 running along the length of the end flap 28 of the rear panel 2 between the end flaps 26 and 30 of the side panels 22 and 24, respectively.
  • the fold line 64 between the flange 62 and end flap 28 of the rear panel 2 is half cut to allow the packing machine to bend the flange at 90° relative to the end flap 28 and tuck the flange in against the inside of the front panel 6.
  • FIG. 8-15 Another aspect of the present invention is shown in Figures 8-15. This aspect involves forming a base portion of the food carton (i.e., no lid is described) such that it prevents leaks even if the carton is used to contain liquids such as water or fruit juice or semi-solids such as ice-cream. To make and fold a leak-proof container, a blank 300, shown in Figure 8, is used. Again for the sake of good order and simplicity, the identical features already described in relation to Figures 1 through 7 are given the same reference numbers.
  • the base portion comprises a first base flap 73 and a second base flap 74, which are adjacent and extend outwardly, i.e., continuous with the rear panel 2 and the front panel 6, respectively.
  • the first base flap 73 preferably has a width about equal to the length of the side panels 22 and 24.
  • the width of the second base flap 74 is preferably about half the length of the first base flap 73.
  • side base flaps 76a and 76b are respectively continuous with, i.e., they extend from the side panels 24 and 22.
  • the side base flaps 76a and 76b are separated from their respective side panels 24 and 22 by folding lines: line 84 between the side base flap 76b and panel 22 and fold line 87 between the side base flap 76a and the side panel 24.
  • Triangular folding sections 75a and 75b are located between the first base flap 73 and side base flaps 76a and 76b, respectively, with 78a and 79a being the folding lines of the triangular folding section 75a, and folding lines ' 78b and 79b being the folding lines of the triangular folding section 75b.
  • the triangular folding section 77a is located between the second base flap 74 and the side base flap 76a with 80a and 81a being its folding lines.
  • the triangular folding section 77b is located between the second base flap 74 and a folding section 82 connected to and extending from the end flap 8.
  • Folding lines 80b and 81b are folding lines facilitating folding of the triangular folding section 77b, and the folding line 83 facilitates folding of the folding section 82.
  • the process of folding of the blank 300 into a carton 400 preferably starts at the factory, prior to the introduction of the liquid, semi-liquid or solid substance into the carton. It progresses much like construction of the boxes shown in Figs. 2 and 5.
  • the end flap 8 is attached, preferably glued, on top of the side panel 22.
  • the folding line 83 coincides with or lays above the folding line 84 extending between the side base flap 76b and side panel 22.
  • top portion of the container is not shown in Figures 9 - .
  • the final assembly of the lid portion is done only after the carton is filled with the product it is intended for.
  • the lid is substantially that shown in the other embodiments or a separate lid.
  • the folded blank is transferred to a filling machine where the first base flap 73 is brought in, by folding it along its folding line 85, as shown in Figs. 9 andl3, resulting in folding sections 75 a and 75b then being folded inwardly, along their respective folding lines 78a and 79a and 78b and 79b, towards the inside of the side base flaps 76a and 76b, respectively. Since the width of the first base flap 73 is about equal to the length of the side panels 22 and 24, it substantially covers the entire base opening when folded.
  • the second base flap 74 is then brought in on top of the first base flap 73 by folding it toward the first base flap 73, along its folding line 86. As shown in Figs. 10 and 14, this folding in of the second base flap 74 results in folding sections 77a and 77b being folded inwardly along their folding lines 80a and 81a and 80b and 81b.
  • the folding sections 75a and 77a will be positioned on the inside of the side base flap 76a, with their respective folding lines 79a and 80a substantially coinciding with the folding line 87 of the flap 76a; and the folding sections 75b and 77b (both not visible in Figure 10) will be positioned on the inside of the side base flap 76b, with their respective folding lines 79b and 80b substantially coinciding with the folding line 84 of the side base flap 76b.
  • the second base flap 74 is then preferably glued or otherwise attached to the top surface of the first base flap 73 to secure the above construction.
  • the side base flaps 76 a and 76b are then folded along their respective folding lines 87 and 84 toward the base portion newly formed by the first and the second base flaps, 73 and 74, as shown in Figs. 11 and 15.
  • the side base flaps 76a and 76b are glued or otherwise secured to the top surfaces of the first and the second base flaps 73 and 74, thereby sealing the folding sections 75a, 77a, 75b and 77b inside the side base flaps 76a and 76b.
  • the resulting base portion 500 is leak proof, especially at its corners, even when the carton is filled with liquid such as water or juice.
  • the described construction of the base portion 500 may be used in combination with any of the above described constructions for the top portion of the folding carton, as well as with any known design of such top portion. More particularly, a carton having its base and body portions constructed in the described manner may have its lid portion formed by two overlapping flaps, creating a suspended surface (on which a spoon or another object may be placed), and at least one lid flap folded over the two overlapping flaps and secured in some manner to the body of the carton. The lid flap may also be provided with a zip-strip for easy opening of the carton.
  • the boxes of the present invention are assembled by a specially constructed packing system which is able to erect, glue, fill and seal the boxes from cardboard blanks.
  • a blank is fully opened and placed on a conveyor belt which transports the blank to a bottom folding and gluing station.
  • the opened box is then transported to a food or liquid filling station where a nozzle enters the stationary box and delivers the consumable material thereto. Once the nozzle or material reaches the top of the box, the full box accelerates forward on the conveyor belt to a top folding and gluing section to seal the contents therein.
  • a further station may be provided between the top folding and top gluing station to place a spoon on the suspended surface formed by the overlapping flaps (e.g., 34 and 38) before adhering the final lid flaps to the main box.
  • the boxes of the present invention offer a number of advantages over those of the prior art.
  • the construction of the base portion 500 of the box virtually eliminates any leakage of the contents from the sealed box thereby rendering the boxes more suitable for semi-solid products, such as ice cream and frozen yogurt, and liquid products, such as milk.
  • the overlapping lid flaps also provide a suspended ledge for holding a spoon which is sealed within the box thereby enabling the spoon to be supplied as part of the complete box whilst being kept from contacting the food product contained therein and the outside environment.
  • the incorporation of a tear-away zipper also renders the box tamper-evident. This is particularly the case with the second preferred embodiment which, having the zipper situated on the top end of the carton, provides evidence from all views that the box has or has not been tampered with.
  • the provision of the tear-away zipper allows quick and easy opening thereof.
  • the positioning of the adhesive between the cut-lines of the zipper also results in the removal of all adhesive on the lid portion of the box when the box is opened.
  • adhesives particularly hot melt adhesives, contain solvent which can evaporate to result in the crystallization thereof. This could be accidentally digested by, for example, a child and hence, the complete removal of the adhesive from around the opening of the box is desirable.
  • the box is environmentally friendly, biodegradable and recyclable, each and all of which are important qualities in today's environmentally conscious world.
  • the particular construction of the box provides a simplified folding sequence having a reduced number of flaps visible from the outside thus making the box more visually appealing. This also enables printing to be applied to all of the sides of the box, for example with regard to the product contained therein.
  • an in-line packing system to assemble, fill and seal the boxes of the present invention allows for an increased output of filled boxes leading to higher levels of efficiency and profitability.
  • the system packaging is also hygienic due to total mechanical handling of the product and box.

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  • Mechanical Engineering (AREA)
  • Cartons (AREA)

Abstract

L'invention concerne une boite pliante destinée à un produit alimentaire liquide ou semi-solide, fabriquée à partir d'une découpe de carton. La découpe comprend une portion principale (3) présentant un panneau latéral (22), un panneau arrière (2), un second panneau latéral (24), un panneau avant (6) et un rabat repliable (8); une portion couvercle (5); et une portion de base (1), laquelle est pourvue de deux rabats de base (74, 73) et de deux rabats de base latéraux (76a, 76b). En plus des deux rabats (74, 73) et des deux rabats (76a, 76b), la portion de base présente quatre sections de pliage triangulaires (77a, 75a, 75b, 77b). Les rabats de base (74, 73) présente un des rabats (76a, 76b) et deux sections de pliage triangulaires ménagées entre les deux. L'autre rabat de base latéral est espacé de l'un des rabats de base par une autre section de pliage triangulaire; alors qu'une section de pliage triangulaire restante (77b) est ménagée sur l'autre rabat de base (74) et reliée entre le rabat (74) et le rabat repliable. Les rabats (73, 74) et les rabats (76a, 76b) sont fixés ensemble par un adhésif.
PCT/IB2000/001334 2000-06-26 2000-09-01 Boite pliante pourvue d'une portion de base etanche WO2002000509A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU70341/00A AU7034100A (en) 2000-06-26 2000-09-01 Carton with a leak-proof base portion

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US60300700A 2000-06-26 2000-06-26
US09/603,007 2000-06-26

Publications (1)

Publication Number Publication Date
WO2002000509A1 true WO2002000509A1 (fr) 2002-01-03

Family

ID=24413687

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2000/001334 WO2002000509A1 (fr) 2000-06-26 2000-09-01 Boite pliante pourvue d'une portion de base etanche

Country Status (3)

Country Link
AU (1) AU7034100A (fr)
BR (1) BR0203022A (fr)
WO (1) WO2002000509A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004047063A1 (de) * 2004-09-28 2006-04-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Staub- und insektendichte Faltschachtel mit Rundum-Sicherheitsverschluss
DE202013004066U1 (de) 2013-04-30 2014-08-01 Dieter Folland Luft- und rieseldichte Dosier- Faltschachtel
CN107512454A (zh) * 2016-12-21 2017-12-26 上海易彬科技有限公司 一种可多次使用的免胶带封装的包装箱
US10661941B2 (en) 2014-04-08 2020-05-26 Medline Industries, Inc. Container having improved compression strength

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2336763A (en) * 1941-03-06 1943-12-14 Oswego Falls Corp Container
US4858822A (en) * 1988-08-29 1989-08-22 Carousel Investment Corporation Prefabricated gift box
JPH08217055A (ja) * 1995-02-09 1996-08-27 Nippon Tetrapack Kk 液体包装容器
JPH09323721A (ja) * 1996-05-30 1997-12-16 Nippon Tetra Pack Kk 包装容器
DE29820163U1 (de) * 1998-11-11 1999-01-21 Semper Idem Underberg Ag Faltschachtel mit Aufreißgestaltung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2336763A (en) * 1941-03-06 1943-12-14 Oswego Falls Corp Container
US4858822A (en) * 1988-08-29 1989-08-22 Carousel Investment Corporation Prefabricated gift box
JPH08217055A (ja) * 1995-02-09 1996-08-27 Nippon Tetrapack Kk 液体包装容器
JPH09323721A (ja) * 1996-05-30 1997-12-16 Nippon Tetra Pack Kk 包装容器
DE29820163U1 (de) * 1998-11-11 1999-01-21 Semper Idem Underberg Ag Faltschachtel mit Aufreißgestaltung

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 12 26 December 1996 (1996-12-26) *
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 04 31 March 1998 (1998-03-31) *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004047063A1 (de) * 2004-09-28 2006-04-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Staub- und insektendichte Faltschachtel mit Rundum-Sicherheitsverschluss
DE202013004066U1 (de) 2013-04-30 2014-08-01 Dieter Folland Luft- und rieseldichte Dosier- Faltschachtel
US10661941B2 (en) 2014-04-08 2020-05-26 Medline Industries, Inc. Container having improved compression strength
CN107512454A (zh) * 2016-12-21 2017-12-26 上海易彬科技有限公司 一种可多次使用的免胶带封装的包装箱
CN107512454B (zh) * 2016-12-21 2023-09-12 上海易彬科技有限公司 一种可多次使用的免胶带封装的包装箱

Also Published As

Publication number Publication date
BR0203022A (pt) 2003-05-27
AU7034100A (en) 2002-01-08

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