The presently disclosed subject matter relates generally to cartons and more particularly to a food cartons with a removable lid.
Various products are known to be purchased by consumers which require a carton for ease of transport. For example, in the food and grocery industry it is common to place food items in individual carry-out food cartons. There may be certain drawbacks to commonly used carry-out food cartons. For example, often the cover or lid may be fastened to the carton body in a hinged fashion. If a user wishes to eat directly out of the carry-out food carton, the lid is swung open and, still attached, can be awkwardly in the way. Further, often carry-out food cartons are not designed for reliable stacking.
Some embodiments of the inventive subject matter provide a carton with a removable lid, the carton may include a floor panel; side panels extending about a periphery of the bottom panel. The one or more of the side panels may include one or more tabs extending from an upper edge thereof. The carton may further include foldable corner gussets extending between adjacent side panels. The floor panel, side panels, and foldable corner gussets may be configurable to form a compartment region; and a removable lid. The removable lid may include a lid panel; and one or more slots formed in the lid panel, wherein the lid panel may be configured to cover the compartment region, and wherein the one or more slots may be sized, shaped, and positioned such that when the removable lid is installed atop the compartment region, the one or more tabs align with the one or more slots and are received therethrough. The side panels may include two opposing end panels and two opposing side panels, wherein adjacent side panels and end panels may be coupled together via foldable corner gussets. Each of the opposing end panels or each of the opposing side panels may include one of the one or more tabs. Each of the opposing end panels and each of the opposing side panels may include one of the one or more tabs. The one or more tabs may include locking indents formed at their base, wherein when the removable lid is installed atop the compartment region the locking indents may be configured to engage with the one or more slots to hold the removable lid in place. The removable lid may include one or more side wings formed on one or more side edges of the lid panel. The one or more side wings may be formed on the one or more side edges of the lid panel that do not comprise one of the one or more slots. One or more of the side panels may further include a side flap formed therein. The side panels that do not include one of the one or more tabs may include the side flap. The lid panel may include two opposing side edges and two opposing end edges, wherein the one or more slots are formed proximate to the opposing end edges and the one or more side wings are formed at the opposing side edges. The lid panel may include one slot formed proximate to each of the opposing end edges and one side wing formed at each of the opposing side edges. The one or more side wings each may include a locking mechanism, wherein the locking mechanism may be configured to engage with a corresponding side flap formed on a corresponding one of the side panels when the removable lid is installed atop the compartment region. The one or more tabs may be spaced and configured such that when the removable lid is installed atop the compartment region a bottom surface of a compartment region of a second carton can nestle between the one or more tabs such that the bottom surface of the compartment region of the second carton sits substantially flat atop a top surface of the removable lid. The removable lid may include one or more side flaps formed on one or more side edges of the lid panel. The one or more of the side panels may further include a side flap. The one or more side flaps of the side panels each may include a locking mechanism formed therein, wherein the locking mechanism may be configured to engage with a portion of a corresponding side flap of the lid panel when the removable lid is installed atop the compartment region. The foldable corner gussets each may include a first and an adjacent second side portion, wherein the first side portion and the second side portions intersect at a fold line therebetween. The foldable corner gussets may be configured to be folded inward along their respective fold lines such that exterior facing surfaces of adjacent first and second side portions are in contact with one another. The inward folded foldable corner gussets may be configured to be further folded such that an interior facing surface of one of the first or second side portions is in contact with an interior surface of its corresponding adjacent side panel. The carton may further include an adhesive, wherein the adhesive holds the exterior facing surfaces of the adjacent first and second side portions in contact with one another. The first side portion and the second side portion may be substantially the same size and shape. The one of the first side portion or the second side portion may be shorter than the other. The inward folded foldable corner gussets may be configured to be further folded such that an interior facing surface of the shorter one of the first or second side portions is in contact with an interior surface of its corresponding adjacent side panel. The interior surface of the compartment region may include a heat sealable coating, and wherein the foldable corner gussets may be secured in its fully folded configuration by activating the heat sealable coating using a heat sources. The interior surface of the compartment region may include a heat sealable coating.
Having thus described the presently disclosed subject matter in general terms, reference will now be made to the accompanying Drawings, which are not necessarily drawn to scale, and wherein:
The presently disclosed subject matter now will be described more fully hereinafter with reference to the accompanying Drawings, in which some, but not all embodiments of the presently disclosed subject matter are shown. Like numbers refer to like elements throughout. The presently disclosed subject matter may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will satisfy applicable legal requirements. Indeed, many modifications and other embodiments of the presently disclosed subject matter set forth herein will come to mind to one skilled in the art to which the presently disclosed subject matter pertains having the benefit of the teachings presented in the foregoing descriptions and the associated Drawings. Therefore, it is to be understood that the presently disclosed subject matter is not to be limited to the specific embodiments disclosed and that modifications and other embodiments are intended to be included within the scope of the appended claims.
In some embodiments, the presently disclosed subject matter provides a carton, such as a disposable carton, with a removable lid and method of using same. Namely, the presently disclosed carton includes a carton body and a separate substantially flat removable carton lid. In one example, the presently disclosed carton can be a used as a disposable food carry-out carton.
In some embodiments, the carton body includes tabs that project upward and the carton lid includes slots, wherein the slots of the carton lid engage with the upward facing tabs of the carton body. More specifically, the slots of the carton lid engage with locking indents of the upward facing tabs of the carton body and the upward facing tabs project through the removable carton lid when installed.
In a food carry-out application, being able to completely remove the lid of the presently disclosed carton allows for easy loading of the carton and also allows for easily eating directly out of the carton. Further, the flat lid allows for easy stacking of multiple of the presently disclosed cartons. Further, the upward facing tabs that project through the removable carton lid may be useful to prevent stacked cartons from slipping off one another.
Additionally, a method of using the presently disclosed carton is provided.
In some embodiments, the carton body includes a heat sealing coating, wherein the carton body can be folded into its assembled state and the corner flaps folded and heat sealed to an inside surface of the assembled carton body without adding any glue, thereby providing a fully compostable carton.
Referring now to
The carton 100 includes a carton body 110 and a separate carton lid 130. The carton body 110 further includes a floor panel 112, two opposing side panels 114, and two opposing end panels 116. The ends of the side panels 114 and the end panels 116 are coupled via corner folds 118. The corner folds 118 can be, for example, a web corner inside glue design. The corner folds 118 can be secured, for example, via an adhesive, thermal bonding, or any other suitable technique or mechanism. Vertical end tabs 120 are provided at the end panels 116. For example, one vertical end tab 120 extends upwardly from one end panel 116 of the carton body 110. Another vertical end tab 120 extends upwardly from the other end panel 116 of the carton body 110. Further, locking indents 122 are provided at the base of each of the vertical end tabs 120, as shown in
The carton lid 130 is a substantially flat and removable carton lid. The carton lid 130 includes a lid panel 132, a pair of end slots 134 (i.e., one at each end), and a pair of side wings (or ears or tabs) 136 (i.e., one at each side). Further, each of the side wings 136 may include a locking feature 138.
The carton body 110 and the carton lid 130 of the carton 100 can be formed of any lightweight, rigid or semi-rigid material that is suitable for holding and/or transporting, for example, a quantity of food and that is also suitable for disposing of after use. For example, the carton 100 can be formed of corrugated cardboard, paper, paperboard, post-consumer paperboard (i.e., recycled materials), biodegradable materials (e.g., sugarcane and paper), polystyrene foam (e.g., Styrofoam), plastic, molded fiber, and the like.
In operation, a user aligns the end slots 134 of the carton lid 130 with the vertical end tabs 120 of the carton body 110. Then, the user pushes down on each end of the carton lid 130 until the end slots 134 engage the locking indents 122 of the vertical end tabs 120 of the carton body 110. Then, the user folds down the side wings 136 of the carton lid 130. Then, the user slightly bends the side wings 136 of the carton lid 130 such that the locking feature 138 are directed inward and toward the side flaps 124 of the carton body 110. At the same time, the user pushes the locking feature 138 inward slightly such that the side flaps 124 are depressed inward slightly and the locking feature 138 engage with an edge, slit, or slot now formed in the side panels 114 by the open side flaps 124.
Referring now to
At a step, 210, the carton body 110 and the carton lid 130 are provided and a user may place, for example, a quantity of food into the carton body 110.
At a step, 215, the end slots 134 of the carton lid 130 are aligned with the vertical end tabs 120 of the carton body 110.
At a step, 220, downward force is applied to the ends of the carton lid 130 until the end slots 134 of the carton lid 130 engage with the locking indents 122 of the vertical end tabs 120 of the carton body 110.
At a step, 225, the locking feature 138 of the side wings 136 of the carton lid 130 are engaged with the side flaps 124 in the side panels 114 of the carton body 110. For example, the user folds down the side wings 136 of the carton lid 130. Then, the user slightly bends the side wings 136 of the carton lid 130 such that the locking feature 138 can engage with an edge, slit, or slot formed in the side panels 114 by the slightly open side flaps 124.
In a food carry-out application, being able to completely remove the carton lid 130 of the presently disclosed carton 100 allows for easy loading of the carton 100 and also allows for easily eating directly out of the carton 100. Further, the flat carton lid 130 allows for easy stacking of multiple of the presently disclosed cartons 100. Further, the vertical end tabs 120 of the carton body 110 that project upward through the end slots 134 of the removable carton lid 130 may be useful to prevent cartons 100 that are stacked from slipping off one another. Namely, the vertical end tabs 120 provide “stop” features on the upper surface of the carton 100.
Referring now to
The carton 100 shown in
For example and referring now to
In operation and referring now to
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The carton 100 shown in
For example and referring now to
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Alternatively, the inside surface of the carton body 110 may be coated with a heat sealable coating, and instead of applying glue or other adhesive between the inside surface of the end panel 116 and the inside facing surface of its adjacent first side portion 144, once the inside facing surface of the first side portion 144 is folded to be in contact with the inside surface of its adjacent end panel 116 it may be heat sealed by applying heat to the folded area and causing the heat sealable coating present on the interior surface of the carton body 110, to bond the inside facing surface of the first side portion 144 to the inside surface of its adjacent end panel 116. Heat sealing the second side portion 146 to its adjacent side panel 114, would be done in a similar manner. Again, this may be repeated for all four corners of the carton body 110, or done for two (2) or more corners simultaneously.
Referring now to
By cutting back part of the first side portion 144 or second side portion 146 of webbed corners 142 and having the inside surface of carton body 110 coated with a heat sealing coating, the carton body 110 can be folded into its assembled state and webbed corners 142 can be heat sealed in place without using any glue, so that assembled carton 100 is a fully compostable carton.
Following long-standing patent law convention, the terms “a,” “an,” and “the” refer to “one or more” when used in this application, including the claims. Thus, for example, reference to “a subject” includes a plurality of subjects, unless the context clearly is to the contrary (e.g., a plurality of subjects), and so forth.
Throughout this specification and the claims, the terms “comprise,” “comprises,” and “comprising” are used in a non-exclusive sense, except where the context requires otherwise. Likewise, the term “include” and its grammatical variants are intended to be non-limiting, such that recitation of items in a list is not to the exclusion of other like items that can be substituted or added to the listed items.
For the purposes of this specification and appended claims, unless otherwise indicated, all numbers expressing amounts, sizes, dimensions, proportions, shapes, formulations, parameters, percentages, quantities, characteristics, and other numerical values used in the specification and claims, are to be understood as being modified in all instances by the term “about” even though the term “about” may not expressly appear with the value, amount or range. Accordingly, unless indicated to the contrary, the numerical parameters set forth in the following specification and attached claims are not and need not be exact, but may be approximate and/or larger or smaller as desired, reflecting tolerances, conversion factors, rounding off, measurement error and the like, and other factors known to those of skill in the art depending on the desired properties sought to be obtained by the presently disclosed subject matter. For example, the term “about,” when referring to a value can be meant to encompass variations of, in some embodiments ±100%, in some embodiments ±50%, in some embodiments ±20%, in some embodiments ±10%, in some embodiments ±5%, in some embodiments ±1%, in some embodiments ±0.5%, and in some embodiments ±0.1% from the specified amount, as such variations are appropriate to perform the disclosed methods or employ the disclosed compositions.
Further, the term “about” when used in connection with one or more numbers or numerical ranges, should be understood to refer to all such numbers, including all numbers in a range and modifies that range by extending the boundaries above and below the numerical values set forth. The recitation of numerical ranges by endpoints includes all numbers, e.g., whole integers, including fractions thereof, subsumed within that range (for example, the recitation of 1 to 5 includes 1, 2, 3, 4, and 5, as well as fractions thereof, e.g., 1.5, 2.25, 3.75, 4.1, and the like) and any range within that range.
Although the foregoing subject matter has been described in some detail by way of illustration and example for purposes of clarity of understanding, it will be understood by those skilled in the art that certain changes and modifications can be practiced within the scope of the appended claims.
This application claims priority and is related to U.S. Provisional Patent Application Ser. No. 62/779,807 entitled “Carton with Removable Lid,” filed Dec. 14, 2018, the contents of which are incorporated herein by reference in its entirety.
Number | Date | Country | |
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62779807 | Dec 2018 | US |