CA3018725A1

CA3018725A1 - Containers with removal tray inserts

Info

Publication number: CA3018725A1
Application number: CA3018725A
Authority: CA
Inventors: Pieter W. Lubbe
Original assignee: Amhil Enterprises Ltd
Current assignee: Amhil Enterprises Ltd
Priority date: 2017-10-13
Filing date: 2018-09-26
Publication date: 2019-04-13
Also published as: US20190112105A1

Abstract

A packaging system is provided wherein a main container is used having an inner ledge section on which one or more insert containers can rest. The ledge is provided below the rim of the main container so that the insert container is supported within the main container, but does not interfere with closing of the main container. The main container and insert containers also preferably include corresponding ridge and recess sections that provide interference fitting of the insert container into the main container. This prevents unwanted movement of the insert container within the main container. The packaging system allows the producer and user to stock, ship and use only the components suited for their particular use, and thus provides flexibility in their particular applications.

Description

=
10 Containers with Removal Tray Inserts FIELD OF THE INVENTION:
This invention relates to containers which are primarily used for foodstuffs, but which may also be used for a variety of other products. The claimed containers utilize a container insert system so that the main container components, which includes foodstuffs or the like, can be placed into the main container section, and various other components (e.g.
condiments, dressings, utensils, and the like), are added to the main container by use of specifically designed inserts. By use of the system, the other components are kept separate from the main components, but are readily available for use by the consumer, immediately prior to consumption.
BACKGROUND OF THE INVENTION:
Clear plastic containers are commonly used for the sale and distribution of a variety of foodstuffs. These include foodstuffs such as lettuce, or other salad greens, strawberries and other berries, prebaked pastries, cookies or cakes, and other foodstuffs which lend themselves to being pre-packaged. Commonly, these types of foodstuffs are intended for use with other components such as condiments, dressings, creams, sauces, and the like, which are to be kept separate from the main components. This keeps the components separated prior to use, allows the consumer to control the amount of other component to be added, and/or aids in delaying or preventing the onset of spoilage in the main component.
Currently, this type of separation of components is accomplished by merely inserting a loose, smaller container within the larger main container. This could include a sealed plastic bag of the other component, but might also include one or more small plastic containers which are added to the main container. Typically, these bags or smaller containers are merely inserted into the main container (before or after filling the main container with the main component), and then the main container can be closed or otherwise sealed for delivery to the retailer, or consumer. This allows the bags or smaller containers to move within the larger container which can make them difficult to locate, or leads to an unattractive packaging appearance in which the other component container is merely loose in the main container.
Other approaches include the "Take 'n' Go" TM containers, available from Amhil Enterprises, as described in US Patent Publication No. 2013/0068772, in which a small container is affixed to the lid of the larger container prior to closing the larger container, so that the one lid covers both containers. However, it is not always practical or easy to take this approach for a container which includes a hinged lid permanently affixed to the main container body. Moreover, there is no capability of providing multiple smaller containers within the main container body.
In another approach, an inner container is fitted within the body of the main container.
Most of these types of containers include a peripheral sealing rim section that extends around the upper section of the main container. The lid includes a corresponding peripheral recess section around its outer edge which is adapted to receive and hold the rim section, and thus, substantially seal the main container. In this prior art approach, the inner container rests on the upper, sealing rim section of the main container body. However, this approach interferes with sealing of the main component lid to the main component body, and as such, leakage can occur. Also, if the other components protrude above the upper level of the other container to any extent, they can interfere with proper closing of the main container.
Also, if the inner container is smaller than the main container, the inner container can move within the main container body as the main container is handled or flexes. As a result, the inner container can become loose within the main container body. This provides a poor appearance to the consumer, and can act to loosen the lid since the inner container no longer rests on the main container rim section.
Moreover, there is no system currently in place wherein a variety of different sized and shaped inner containers can be selected and used for a selected main container, depending on the relevant application.
Accordingly, it would be beneficial to the industry to provide a container having a container insert, which overcame all or at least some of these issues.
SUMMARY OF THE INVENTION:
In keeping with the present invention, there is provided a packaging system, comprising a main container having a main container body and an optional lid, wherein,

-2-when present, the optional lid and main container body include a closing mechanism so that the lid will substantially close the main container body, and at least one insert container which is smaller than said main container body, and which is capable of being fitted within said main container body, wherein said main container body includes connected side sections and a bottom section, a rim section around the upper surface of the main container body, a inwardly extending ledge, preferably on one or more of the sides of the main container, below the rim section, and one or more ridges or recess sections on one or more side sections, and wherein, said insert container includes connected side sections, a bottom section, and a protruding lip section at or near the top of at least one side of the insert container, wherein, the protruding lip is adapted to be placed onto at least part of the inner ledge of the main container, and wherein one or more side sections of the insert container additionally include a ridge or recess section which corresponds to the ridge or recess section on the main container, and which is adapted to be fitted within the ridge or recess section of the main container when said insert container is placed within said main container.
In the alternative, the present invention also provides a packaging system consisting of a main container, and at least one insert container, of the type described hereinabove.
Preferably, there is a flexible hinge between the lid and main container body so that the lid and main container body can be at least temporarily affixed, one to the other, by use of the hinge.
The inwardly extending ledge is generally a substantially flat section, of typically less than 2 cm, more preferably less than 1 cm in width, still more preferably less than 0.5 cm, and most preferably, in the range of between 1 and 5 mm. The ledge is preferably placed immediately below the rim section so as to typically be less than 3 cm, more preferably less than 2 cm from the rim section. Still more preferably the ledge is less than 1.5 cm, most preferably, is between 0.2 to 12 mm from the rim section. As such, the ledge is typically located in the upper part, and preferably at least in the upper half, of the main container body sides. In a preferred embodiment, the ledge is preferably provided at the normal "fill line" of the main container, wherein the fill line is the normal filling point for the rated size of the selected container. As such, the ledge provides an indication of the normal filling line for the container. The ledge is a sufficient

-3-distance from the rim section so that the ledge does not interfere with normal closing of the main container body by its corresponding or attached lid. At a minimum, the ledge should be below the rim by a distance equal to the thickness of the material used to form the lid.
More preferably, however, the ledge and/or the insert container are positioned away from the lid, and thus, the lid will typically have little or no contact with the insert container.
Preferably, the inwardly extending ledge is continuous and extends completely around the inside of the main container body. For example, for a rounded main container, the ledge preferably extends around the entire main container. For a four sided container, the ledge preferably is placed on all four sides, and also preferably extends around the entire main container.
The insert container is smaller than the main container so that it will fit inside the main container, and the protruding lip section will rest on the main container ledge. In one embodiment, the insert container is sized and shaped so that its lip section rests on the ledge section completely around the main container. Using this approach, the insert container covers the entire opening of the main container, and can be lifted out of the main container prior to use. In this embodiment, the insert container preferably has a shorter depth than the main container so that it is held off of the bottom of the main container. However, having the insert container rest on the bottom of the main container is not excluded.
In another embodiment, the insert container is sized and shaped so as to be smaller than the opening in the main container body. As a result, the protruding lip section will only rest on part of the ledge section. Typically, this smaller insert container will only cover a portion of the opening of the main container body.
Typically, this would be approximately 50% of the main container body opening, but the insert container can be used to cover any desired main container body opening desired by the user.
Preferably, in this approach, for a four sided main container, the insert container is also sized so as to preferably rest completely across the ledge at only one end of the main container, but also extend at least part way along the ledge section on the two connected side sections for that end. As a result, only a portion of the opening of the main container is covered.

-4-Again, in this approach, the insert container can rest on the bottom of the main container, but more typically, the insert container is shorter in depth than the main container, so that the insert container is held off of the main container bottom.
Also, in this approach, the insert container might only include a lip section on three sides, and the lip-free side will face into the main container.
More than one insert container can be fitted into the main container, and thus, the present invention also provides a packaging system having a main container and two or more insert containers fitted within the main container. The insert containers used can have the same size and shape as each other, but they can also have different sizes and shapes. In this fashion, different sized insert containers can be provided that will fit within a selected main container. In this fashion, the user can select the desired shape and size of the insert container, or containers, to be used for a selected main container size.
This packaging system thereby allows the user to select a main container, and one or more insert containers, that meet the requirements of the user.
For example, for a four sided main container, two insert containers might be used, wherein both insert containers are fitted to the opposite ends, and extend along the two connecting sides. The insert containers can be sized so that they contact each other, or they can be sized so as to be held apart from one another.
Additionally, it should be noted that more than two insert containers might be used. For example, for a three insert container packaging system, two insert containers can rest on the ledge at the two ends of the main container, and part way along the ledge on the sides of the main container. A gap could be provided between the two insert container, and a third insert container could be added having a lip that rests on the ledge on the two sides of the main container.
In embodiments where two or more insert containers are used, preferably each, or all of the insert containers include a protruding lip section that extends completely around the insert container. This can permit the adjoining lip sections of the insert containers to overlap. The lip sections can however, as be placed so as to be separated from each other ¨ preferably by a gap of less than 1 cm, - or the lip sections can be placed so as to abut one another. When overlapping, the adjoining protruding lip sections can also include a mating section that allows the two lip sections to interlock.
This might be provided by a post-and-hole arrangement, but more preferably, is provided by including an interlocking ridge on the lip section in the overlap area.
This interlocking

-5-of the lip sections can assist in providing additional structural integrity to the packaging system of the present invention.
Typically, the lip section on the insert containers is generally a substantially flat section, which is preferably slightly smaller than the ledge width. As such, the protruding lip section typically preferably has a width of less than 2 cm, more preferably, less than 1 cm, and still more preferably, less than 5 mm. A preferred lip section therefore preferably has a width of between lmm and 5 mm. As a result, the lip section is sized so as to rest on the main container ledge section.
Where appropriate, the lip sections of the insert containers can also overlap or mate with the lip section of an adjoining insert container, as previously described.
Numerous options exist for selection of different sized and shape inserts for a selected main container. As such, a container supplier can provide a limited number of main containers, and the user can select a suitable main container and one or more inserts that fit within that main container that meets their requirements. In a preferred approach, main containers can be provided having the same width and length, so that the same insert containers might be used, for all main containers. However, the main container depth can vary to provide different main container volumes. The supplier thus can provide a series of insert containers that can be mixed or matched for use within a selected main container.
The insert containers can also vary in size, shape or design. For example, the insert container compartment might be continuous, or might include openings such as slots or holes, to connect with the main container. For non-liquid materials in the insert container, this would lower the amount of plastic used.
It can also be noted that, commonly, the insert container includes only a single compartment. This compartment can be open at its top, or it can be sealed using, for example, a foil seal that extends across the top of the insert container. The compartment might also be made resealable by, for example, use of a film having a resealable glue, or by providing a compartment with a zipper storage lock, or the like. The insert container can also include two, three or even more compartments, each of which might also be continuous compartments (e.g. no side or bottom openings), or include side or bottom openings. Any or all of the compartments might also be open at their tops, or each of the compartments might be sealed. The insert container(s) can thereby be customized for different applications and uses.

-6-The insert container can also include tabs, ridges, pinch points, or finger openings, to facilitate insertion or removal of the insert container from the main container.
The main container, and the insert container also include corresponding ridges and recesses on their side sections, and these ridges and recesses on the main container and the insert container are placed so that they fit, one into the other, when the insert container is positioned in the main container. In one approach, the side sections of the main container include one or more preferably vertical ridges that protrude inwardly into the main container. The side section of the insert container includes at least one preferably vertical recess that protrudes into the insert container, and which is positioned so as to mate with the main container side wall ridges when the insert container is placed into the main container. The positioning and number of ridges and recesses on the main container, and/or the insert container side walls can vary depending on the size and shape of the main container and the insert container. Preferably, at least one, and more preferably, at least two ridge and recess sections are mated for each insert container, when inserted into the main container.
The vertical ridges and recesses can be positioned in a symmetrical arrangement on the side wall sections, or on the front and back of the main container.
However, asymmetrical designs can also be used. For example, the front wall section might include fewer vertical ridges or recesses in order to permit a better view of the main container contents. Structural ridges or recesses might also be provided on the insert container even on sides which are not intended to be in contact with the main container, in order to provide structural rigidity and strength in the insert container.
Preferably, the ridges and recesses allow for the insert container to have anywhere from a slight clearance fit to a slight interference, fit within the main container.
As such, the insert container can be easily inserted into the main container body without any significant deformation of the main container body, or insert container.
The positioning of the ridges and recesses can be varied, so that either the main container or the insert container can include either the ridges or recesses. For example, if the main container includes ridges or recesses, the corresponding insert container will include recesses or ridges, respectively, in order to fit in place in the main container.
The ridges and recesses are preferably 0.5 to 5 cm in depth, and more preferably, between 1 and 3 cm, for a typical container. However, smaller depth ridges and recesses might also be used, and in particular, smaller depth ridges and recesses having a wider base area might also be used. These types of ridges and recesses might

-7-be referred to as "waves", and each of the main container and insert containers being used will preferably have a corresponding wave pattern.
By use of the ridges and recesses on the side walls of the main container and insert container, and by use of the lip section resting on the ledge section, the insert container is essentially prevented from movement within the main container.
This provides a better appearance for the packaging system of the present invention.
Depending on the nature of the insert container, the insert container can also provide additional strength and rigidity to the packaging system For most purposes, the material of the main container and the insert container is preferably transparent. However, it will be understood that in some instances it may be convenient or advisable for the material of the main container and/or the insert container to be translucent, or even opaque. The materials of the main container or the insert container can also be coloured, or non-coloured. Printing can also be provided on either or both of the main container, or the insert container.
The material of the main container and the insert container can be separately chosen from any suitable materials, but most preferably, both the main container and the insert containers are made of plastic. The main container and the insert container can be made of different materials, but preferably, both made of the same material.
Preferably, the main container and the insert container are made from polyethylene, polypropylene, polystyrene, polycarbonates, polyethylene terephthalate (PET), or vinyl, or mixtures thereof and therebetween. Section of the construction material can be influenced by the nature of the material to be stored in the main container and/or the insert container. For example, hot or cold materials might require different construction materials.
While a variety of production techniques can be employed, in general, the main container and the insert container of the packaging system, are preferably formed by thermoforming, and usually by being pressure formed from sheet material, followed by stamping operations to separate each formed container from the sheet material.
Other production processes however, can include injection moulding of the main container and/or the insert container, and the like.
BRIEF DESCRIPTION OF THE DRAWINGS:
The novel features which are believed to be characteristic of the present invention, as to its structure, organization, use and method of operation, together with further objectives and advantages thereof, will be better understood from the following

-8-drawings in which presently preferred embodiments of the invention will now be illustrated by way of example. It is expressly understood, however, that the drawings are for the purpose of illustration and description only and are not intended as a definition of the limits of the invention. Accordingly, embodiments of this invention will now be described by way of example in association with the accompanying drawings in which:
Figure 1A and 1B are perspective views of a packaging system according to the present invention, which show one embodiment of an insert container and one embodiment of a main container separately in Figure 1A, and then assembled together in Figure 1B;
Figure 2 is a top view of a main container;
Figures 3A and 38 are a top view and a perspective view, respectively, of one embodiment of an insert container;
Figure 4 is an enlarged view of the ledge section of the main container, with an insert container lip section being shown thereon;
Figure 5A and 5B are top and perspective views, respectively, of an alternative embodiment of an insert container;
Figure 6 is a perspective view of an assembled alternative packaging system;
Figure 7 is an enlarged partial view of the ledge section of the packaging system of Figure 6, showing part of the main container and part of the insert container inserted therein;
Figure 8A and 8B are top and perspective views of a further alternative embodiment of an insert container;
Figure 9 is a perspective view of an alternative packaging system with the insert container from Figures 8A and 8B;
Figure 10A and 10B are perspective views of a packaging system according to the present invention, which show two insert containers and a main container separately in Figure 10A, and then assembled together in Figure 10B;
Figures 11A, 11B, 11C, 11D and 11E are enlarged central lip sections which show some possible central lip section arrangements;
Figure 12 is a perspective view of an alternative main container;
Figure 13 is a perspective view of the main container of Figure 12 in use with two insert containers;
Figures 14A and 14B are top and perspective views respectively, of a still further embodiment of an insert container; and

-9-Figures 15A and 15B are perspective views of a still further packaging system according to the present invention, which show a round main container, with a semi-circular insert container separately in Figure 15A, and then assembled together in Figure 15B.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS:
The novel features which are believed to be characteristic of the present invention, as to its structure, organization, use and method of operation, together with further objectives and advantages thereof, will be better understood from the following discussion. In the drawings, unless otherwise noted, the packaging system is shown comprising a opaque main containers, and opaque insert containers, in order for the drawings to be more easily understood. However, it will be understood that the packaging system can comprise opaque, translucent, transparent, or clear main and insert containers.
Turning first to Figure 1A, there is shown a packaging system 10 consisting of a main container 12, having a main container body 14 and a lid 16. Main container body 14 and lid 16 are attached together by hinge 18. Main container 12 can be used as is, on its own, but in keeping with the present invention, main container 12 is intended to receive insert container 20 which is adapted to be fitted within main container 12 in the manner described in the present invention. As such, the assembled packaging system

10 is shown in Figure 1B wherein insert container 20 has been inserted into the body 14 of main container 12.
Main container 12 and insert container 20 are pressure formed from PET, in a manner known to those skilled in the art.
Details of the construction of main container 12 are shown in Figure 2. In this figure, the four side walls of main container 12 are shown and these include two end walls 22, front wall 24 and back wall 26. Each of end walls 22 have four vertical ridges 28 which protrude into main container body 14. Front wall 24 has two vertical ridges 30, and back wall 26 has a total of four vertical ridges 32, in two sets of two vertical ridges, which also protrude into main container body 14.
Around the top peripheral edge of main container body 14 is a rim section 34.
A
corresponding recess section 36 is provided around the peripheral edge of lid 16. In a manner known to those skilled in the art, lid 16 can be used to cover and essentially seal main container body 14, by inserting rim section 34 into recess section 36.

A peripheral ledge 38 is provided around the top of the main container body 14, immediately below the rim section 34.
Details of the construction of insert container 20 are shown in Figures 3A and 3B.
In these figures, insert container 20 includes only a single compartment 40 which substantially fills insert container 20. It will be noted that insert container 20, in this embodiment, is intended to essentially cover the entire top section of main container body 14.
The end walls 42 of insert container 20 each include vertical recesses 44.
Front and back walls 46 also include vertical recesses 48. When placed into main container body 14, vertical ridges 28 on end walls 22 will be positioned into vertical recesses 44, or vertical ridges 28 will extend into a gap located under pinch section 50.
Pinch sections 50 can be used to insert or remove insert container 20 into main container 12.

Additionally, when insert container 20 is placed into main container 12, vertical ridges 30 and 32 on front wall 24 and back wall 26, will be positioned into vertical recesses 48. In this embodiment, insert container 20 is reversible so that the front and back walls can be reversed.
An essentially flat protruding lip 52 is provided around the peripheral edge of insert container 20, and this lip 52 is intended to rest on ledge 38 of main container body 14. Details of ledge 38 and lip 52, in the assembled packaging system 10, are shown in Figure 4, and in Figure 4, it can clearly be seen that protruding lip 52 rests on ledge 38, and not on rim section 34, since ledge 38 is positioned in the main container body 14, at a point below rim section 34. As such, insert container 20 can be inserted into main container body 14 in a manner where it does not interfere with rim section 34 or recess section 36. As a result, insertion of insert container 20 into main container 12, does not interfere with the normal closing and sealing of main container 12 by lid 16.
Moreover, whether or not insert container 20 has been inserted into main container 12, it is clear that main container 12 can be closed with lid 16, in a regular manner without having the insert container affect the rim and recess closing mechanism.
In Figure 5A and 5B, a top view and a perspective view, respectively, of an alternative embodiment of an insert container 60 are provided wherein the insert container only partial covers the opening in the main compartment. In this embodiment, insert container 60 is sized so as to cover approximately 50% of the opening of the main container. Insert container 60 has only a single compartment 62, and includes a protruding peripheral lip 64, and a protruding central lip section 64A, that extends around

-11-insert container 60. Lip 64 is provided so that it will rest on the ledge 38 at one end wall 22 of main container 12, and will rest on part of ledge 38 extending along the front and back walls (24,26), of main container 12.
A structural rib 65 is preferably provided on the insert container 60, in the area under the central lip section 64A. This provides additional rigidity to the insert compartment 60.
Vertical recesses 66 are provided on one end of insert container 60, and vertical recesses 68 are also provided on the sides of insert container 60. These vertical recesses (66, 68) are positioned so that they provide a slight clearance fit with the vertical ridges (28, 30 and 32) at the sides and end of one end of main container 12.
In Figure 6, a completed packaging system 70 according to the present invention is shown, which includes a main container 12, and insert container 60. Details of the insert container 60 resting on ledge 38 of main container 12, can be seen in the enlarged view provided in Figure 7, which more clearly shows protruding lip section 64 and ledge 38. It can also be seen that ledge 38 is well below rim section 34.
In Figure 8A and 8B, a top view and a perspective view, respectively, of a further alternative embodiment of an insert container 80 are provided wherein the insert container again only partial covers the opening in the main compartment. In this embodiment, insert container 80 is again sized so as to cover approximately 50% of the opening of the main container. However, insert container 80 has two compartments 82 and 83, and includes a protruding peripheral lip 84, and a protruding central lip section 84A, that extends around insert container 80. Lip 84 is provided so that it will rest on the ledge 38 at one end wall 22 of main container 12, and will also rest on part of ledge 38 extending along the front and back walls (24,26), of main container 12.
Again, a structural rib 85 is preferably provided on the insert container 80, in the area under the central lip section 84A. This provides additional rigidity to the insert compartment 80.
Vertical recesses 86 are provided on one end of insert container 80, and vertical recesses 88 are also provided on the sides of insert container 80. These vertical recesses (86, 88) are positioned so that they provide a slight clearance fit with the vertical ridges (28, 30 and 32) at one end of main container 12.
In Figure 9, a completed packaging system 90 according to the present invention is shown, which includes a main container 12, and insert container 80, wherein insert container 80 has been inserted into main container 12 in a manner consistent with that

-12-described in respect of Figure 6.
In Figure 10A, the various components of a version of a completed packaging system 100, according to the present invention, are shown separately. This includes main container 12, insert container 60 and insert container 80. In Figure 10B, insert containers 60 and 80 are shown after both have been inserted into main container 12.
Lips 64 and 84 rest on ledge 38 where they contact main container 12. In the centre of main container 12, central lip sections 64A and 84A are positioned so as to provide a slight gap 87 between central lip sections 64A and 84A. Gap 87 is typically approximately less than 1 cm, more preferably between 1 to 5 mm, and most preferably, about 3 mm. However, the width of gap 87 can be any suitable value.
It should be noted that in an alternative design, central lip sections 64A and can abut one another, or overlap with one another. When they overlap, preferably, the combined thickness of the two overlapping central lip sections is small enough that the overlap does not cause any interference with the closing of lid 16. Still further, the central lip sections can include an interlocking feature, which aids in providing structural support for the packaging system. These possible arrangements are shown in Figures 11A, 116, 11C and 11D, which respectively show enlarged views of the relative positions of central lip sections 64A and 84A. In Figure 11A, central lip sections 64A and 84A have a gap 87 between them. In Figure 11B, central lip sections 64A and 84A abut one another. In Figure 11C, central lip sections 64A and 84A overlap with each other. In Figure 11D, central lip sections 64A and 84A each include a ridge 89 that allows central lip sections 64A and 84A to be connected to each other.
It can be noted though that central lip sections 64A and/or 84A are not necessary.
As such, in a further option, as shown in Figure 11E central lip sections 64A
and 84A
have been omitted from insert containers 60 and 80.
In general, it will therefore be seen, that the size and shape of the various components of the present invention, allows for mixing and matching of the main containers and insert containers to provide a customized package for each user. As such, the packaging system of the present invention allows for flexibility in stocking, storing and shipping of only those components required by a particular customer.
As such, in Figure 12, an alternative main container 110 is shown which is essentially identical to main container 10, with the exception that main container 110 has a reduced depth, and that lid 112 is separated from main container body 114.
However, as will be clearly understood by the skilled artisan, lid 112 can still be easily used to

-13-close main container body 114.
As shown in Figure 13, a packaging system 116 is provided wherein main container body 114 is used to receive the same insert containers 60 and 80 that have been previously described. In this embodiment, the user can use main container body 114 on its own (with or without lid 112), or with insert container 60 and/or insert container 80. In Figure 13, both insert containers 60 and 80 are shown, but either could be omitted depending on the user's specific application.
Other design options are possible. For example, in Figures 14A and 14B, a further insert container 120 is shown having two compartments 122 and 124.
Compartment 122 is the same as compartment 82 in Figure 8B, but compartment 124 is a circular compartment. Compartment 124 can be open, or can be sealed by, for example, a foil seal (not shown). It will be clear though, that numerous options exist for the size, shape and design of both the insert container, and the main container, and that the user is freely able to mix and match the insert containers and the main containers to prepare a customized packaging system suited for their particular application.
Other container body shapes are possible, as is seen in Figures 15A and 15B.
In Figure 15A, a circular shaped main container 130, having a main container body connected to lid 134 by a hinge 133. Main container body 132 is shown adjacent to semi-circular insert container 136. Insert container 136 is sized and shaped so as to be capable of being inserted into main container body 132, in a manner similar to that previously described wherein ridges in the main container body are adapted to fit into recesses in the insert container. The resultant assembled packaging system 140, is shown in Figure 15B.
Clearly many other shapes and sizes are possible.
Also, it should be noted that while the primary application for this invention is for providing foodstuffs, other suitable applications are known or possible. As such, the packaging system of the present invention might also be used for the sale or dispensing of manufactured materials, such as nuts, bolts, screws, or the like, or electrical components, such as resistors, capacitors, batteries, or the like. A wide variety of other uses can be envisioned. It will therefore by clear to the skilled artisan that various other modifications and alterations may be used in the design and setup of the present invention, without departing from the spirit and scope of the accompanying claims.
Accordingly, it is apparent that there has been provided, in accordance with the present invention, a packaging system which fully satisfies the goals, objects, and

-14-advantages set forth hereinbefore, or inherent thereto. Therefore, having described specific embodiments of the present invention, it will be understood that alternatives, modifications and variations thereof may be suggested to those skilled in the art, and that it is intended that the present specification embrace all such alternatives, modifications and variations as fall within the scope of the appended claims.
Throughout this specification and the claims which follow, unless the context requires otherwise, the word "comprise", and variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated integer or step or group of integers or steps but not to the exclusion of any other integer or step or group of integers or steps.
Moreover, words such as "substantially" or "essentially", when used with an adjective or adverb is intended to enhance the scope of the particular characteristic; e.g., substantially or essentially planar is intended to mean planar, nearly planar and/or exhibiting characteristics associated with a planar element.
Further, use of the terms "he", "him", or "his", is not intended to be specifically directed to persons of the masculine gender, and could easily be read as "she", "her", or "hers", respectively. Also, relative terms such as "inwardly" or "outwardly"
are to be interpreted in their normal manner when the device of the present invention is used in its intended manner.
Also, while this discussion has addressed prior art known to the inventor, it is not an admission that all art discussed is citable against the present application.

-15-

Claims

WE CLAIM:

1. A packaging system comprising a main container having a main container body, and an optional lid, and at least one insert container which is smaller than said main container body, and which is capable of being fitted within said main container body, wherein said main container body includes connected side sections and a bottom section, a rim section around the upper surface of the main container body, a inwardly extending ledge, preferably on one or more of the sides of the main container, below the rim section, and one or more ridges or recess sections on one or more side sections, and wherein, said insert container includes connected side sections, a bottom section, and a protruding lip section at or near the top of at least one side of the insert container, wherein, the protruding lip is adapted to be placed onto at least part of the inner ledge of the main container, and wherein one or more side sections of the insert container additionally include a ridge or recess section which corresponds to the ridge or recess section on the main container, and which is adapted to be fitted within the ridge or recess section of the main container when said insert container is placed within said main container.

2. The packaging system of claim 1 wherein said main container includes a main container body and a lid, and wherein the lid and main container body include a closing mechanism so that said lid will substantially close the main container body.

3. The packaging system of claim 2 wherein said lid is connected to said main container body by a flexible hinge

4. The packaging system of any one of claims 1 to 3, wherein the main container and/or the insert container is transparent.

5. The packaging system of any one of claims 1 to 4, wherein the main container body, the lid, and/or the insert container are made from polyethylene, polypropylene, polystyrene, polycarbonates, polyethylene terephthalate (PET), or vinyl, or mixtures thereof and therebetween.

6. The packaging system of any one of claims 1 to 5 wherein said packaging system comprises one or two insert containers.

7. The packaging system of any one of claims 1 to 6 wherein any or all of said insert containers comprise at least one compartment.

8. The packaging system of claim 7 wherein any or all of said insert containers comprise one or two compartments.

9. The packaging system of any one of claims 1 to 8 wherein said insert container, or a compartment thereof, is sealed.

10. The packaging system of claim 9 wherein said insert container, or a compartment thereof, is sealed by a foil seal.

11. The packaging system of claim 6 having two insert containers, wherein said insert containers include a central lip section facing the interior of the main container body, and the central lip sections of the two insert containers abut one another, overlap with each other, or are separated by a gap.

12. The packaging system of claim 11 wherein the central lip sections of the two insert containers overlap with each other, and each central lip section includes a mating section.

13. The packaging system of claim 12 wherein said mating section is provided by a ridge on each central lip section, and wherein said ridges on each central lip section interlock one with the other, when said insert containers are inserted into said container body.

14. The packaging system of any one of claims 1 to 13, wherein said main container body, said lid, and/or said insert container or containers, is thermoformed.

15. The packaging system of claim 14, wherein the main container body, said lid, or said insert container or containers, is pressure formed from sheet material, followed by a stamping operation to separate each from the sheet material.

16. The packaging system of any one of claims 1 to 15 wherein said ledge is located at the normal fill line of said main container body.

17. The packaging system of any one of claims 2 to 15 wherein said ledge is located below said closing mechanism so that closing said lid is not affected by having one or more inserts being located within said main container body.