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Cereal Box Lining Disclosure Number: IPCOM000004427D
Publication Date: 2000-Nov-09
Document File: 3 page(s) / 94K

Publishing Venue

The Prior Art Database


The present invention is a lip-and-channel internal liner for a cereal box, which may be easily opened and closed to maintain freshness.

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Cereal Box Lining

Cereal has become a staple of many American's diets. It makes a quick and simple breakfast or snack, and is a particular favorite of children. It is not unusual for a single household to have numerous boxes of different varieties of cereal to satisfy varying tastes of family members. However, this presents a challenge in maintaining freshness. A given box of cereal may not be consumed quickly enough maintain crispness after the plastic liner containing cereal has been opened, even if the liner is diligently rolled and/or clipped before storing the opened box. Cereal that has lost its freshness is generally unappealing, remains uneaten, and is eventually thrown away. Various plastic container systems exist to maintain cereal freshness; however, these containers do not appeal to children in the manner that the original packaging does. Also, a family must purchase enough containers for all the varieties of cereals consumed in the household.

A need exists for a way to maintain cereal freshness within the original packaging. The present invention is a lip-and-channel internal liner for a cereal box, which may be easily opened and closed to maintain freshness.

Figure 1 illustrates a cereal box assembly 100, which includes a box 110 containing a liner 120. Figure 2 shows liner 120 having a seal 210 and body 220. Liner 120 may be a plastic composition, designed to be lightweight yet sufficiently diligent to manufacture the lip-and-channel seal. Liner 120 is manufactured according to known methods.

Figure 3 Seal on liner 120

Figure 3 shows the components of seal 210, which includes closure 310, manufactured as part of liner 120. Similar sealing closures are known in the art, and are manufactured by companies such as C&H Packaging Company. A notch 320 is cut into one end of seal 210 adjacent to a line of scoring 330. Scoring 330 is cut into both sides of seal 210 to penetrate but not completely sever the material.

Figure 4 Seal on liner 120 showing removable strip 320

Figure 5 Open seal 210 showing lip and channel

Figure 4 shows how a user would pull on removable strip 320 to allow access to closure 310. The user grasps removable strip 320 at notch 320 and pulls removable strip off liner 120, guided by scoring 330. Figure 5 illustrates an open seal 210, showing how a lip 510 and channel 520 appear when separated. To close seal 120, the user locks lip 520 between the two tracks provided in channel 520 and squeezes the closure together, thus sealing liner 120.