A kit of thermoformed lids comprising a three lids which are substantially similar except for specific differences in four stacking areas located at the corners of the lids. Unlike prior art lids that use convex external lugs to provide separation during stacking, lids according to the present inven
A kit of thermoformed lids comprising a three lids which are substantially similar except for specific differences in four stacking areas located at the corners of the lids. Unlike prior art lids that use convex external lugs to provide separation during stacking, lids according to the present invention have stacking areas formed as interruptions in concave channels located along the peripheries of the lids, improving the appearance and uniformity of products comprising the lids.
대표청구항▼
1. A kit of thermoformed lids comprising a first lid having a plurality of first stacking areas, each first stacking area formed as at least one first interruption at a first angular position in a first concave channel;a second lid having a plurality of second stacking areas, each second stacking ar
1. A kit of thermoformed lids comprising a first lid having a plurality of first stacking areas, each first stacking area formed as at least one first interruption at a first angular position in a first concave channel;a second lid having a plurality of second stacking areas, each second stacking area formed as at least one second interruption at a second angular position in a second concave channel; anda third lid having a plurality of third stacking areas, each third stacking area formed as at least one third interruption at a third angular position in a third concave channel;wherein the first angular position, the second angular position, and the third angular position differ from one another;whereby the first lid, the second, lid, and the third lid are spaced apart because of the interference between the first stacking area, the second stacking area, and the third stacking area when nested together. 2. The kit of thermoformed lids of claim 1 wherein the first concave channel is located along the periphery of the first lid,the second concave channel is located along the periphery of the second lid, andthe third concave channel is located along the periphery of the third lid. 3. The kit of thermoformed lids of claim 1 wherein each lid contains four stacking areas equally spaced from a center of the lid and located along the periphery of the lid. 4. The kit of thermoformed lids of claim 1 wherein each lid contains four stacking areas, each stacking area formed as a single interruption. 5. The kit of thermoformed lids of claim 1 wherein each lid is rectangular with four corners, and each lid having four stacking areas, each stacking area located at a corner and formed as a single interruption. 6. A stack of thermoformed lids comprising at least one first lid with a plurality of first stacking areas, each first stacking area formed as at least one first interruption at a first location in a first trench;at least one second lid with a plurality of second stacking areas, each second stacking area formed as at least one second interruption at a second location in a second trench; andat least one third lid with a plurality of third stacking areas, each third stacking area formed as at least one third interruption at a third location in a third trench;wherein the first location, the second location, and the third location differ from one another;whereby the first lid, the second, lid, and the third lid are spaced apart because of the interference between the first stacking area, the second stacking area, and the third stacking area when nested together. 7. The stack of claim 6 wherein the first trench is located along the periphery of the first lid,the second trench is located along the periphery of the second lid; andthe third trench is located along the periphery of the third lid. 8. The stack of claim 6 wherein each lid contains four stacking areas equally spaced from a center of the lid and located along the periphery of the lid. 9. The stack of claim 6 wherein each lid contains four stacking areas, each stacking area formed as a single interruption. 10. The stack of claim 6 wherein each lid is rectangular with four corners, and each lid having four stacking areas, each stacking area located at a corner and formed as a single interruption. 11. A kit of thermoformed lids comprising a first lid having a plurality of first stacking areas, each first stacking area formed as at least one first interruption at a first radial position in a first concave channel;a second lid having a plurality of second stacking areas, each second stacking area formed as at least one second interruption at a second radial position in a second concave channel; anda third lid having a plurality of third stacking areas, each third stacking area formed as at least one third interruption at a third radial position in a third concave channel;wherein the first radial position, the second radial position, and the third radial position differ from one another;whereby the first lid, the second, lid, and the third lid are spaced apart because of the interference between the first stacking area, the second stacking area, and the third stacking area when nested together. 12. The kit of thermoformed lids of claim 11 wherein the first concave channel is located along the periphery of the first lid, the second concave channel is located along the periphery of the second lid, and the third concave channel is located along the periphery of the third lid. 13. The kit of thermoformed lids of claim 11 wherein each lid contains four stacking areas equally spaced from a center of the lid and located along the periphery of the lid. 14. The kit of thermoformed lids of claim 11 wherein each lid contains four stacking areas, each stacking area formed as a single interruption. 15. The kit of thermoformed lids of claim 11 wherein each lid is rectangular with four corners, and each lid having four stacking areas, each stacking area located at a corner and formed as a single interruption.
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이 특허에 인용된 특허 (2)
Bordner Paul G. (7803 Fairlawn Dr. Pickerington OH 43147), Molded lid assembly with primary and secondary latching features.
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