Base for a food container includes a base member having a perimeter and a central region, a retaining ring of height H and width W formed between the perimeter and the central region, and extending upwardly from the central region, and a plurality of recesses in the retaining ring, each recess exten
Base for a food container includes a base member having a perimeter and a central region, a retaining ring of height H and width W formed between the perimeter and the central region, and extending upwardly from the central region, and a plurality of recesses in the retaining ring, each recess extending across the width W of the retaining ring from the perimeter toward the central region of the base member. Container further includes a lid having a perimeter configured to engage the perimeter of the base member. Method of making a food container is also provided.
대표청구항▼
1. A base for a food container comprising: a base member having a perimeter and a central region, the central region including a shoulder;the base member further having a retaining ring formed between the perimeter and the central region, the retaining ring having a width W and extending upwardly fr
1. A base for a food container comprising: a base member having a perimeter and a central region, the central region including a shoulder;the base member further having a retaining ring formed between the perimeter and the central region, the retaining ring having a width W and extending upwardly from the central region a height H, the shoulder defining at least a portion of a support surface proximate the retaining ring; andthe base member further having a plurality of recesses defined therein, each recess extending across the width W of the retaining ring from the perimeter and into the shoulder. 2. The base of claim 1, wherein the base member is substantially circular in plan view. 3. The base of claim 1, wherein the retaining ring is substantially circular in plan view. 4. The base of claim 1, wherein the central region further comprises a support structure defining at least a portion of the support surface. 5. The base of claim 1, wherein the retaining ring comprises a raised ledge including an outer side wall, a top wall, and an inner side wall. 6. The base of claim 5, wherein the outer side wall of the retaining ring is sloped at an angle from the top wall toward the perimeter. 7. The base of claim 1, wherein each recess includes an edge wall angled downward relative the at least a portion of the support surface defined by the shoulder. 8. The base of claim 1, wherein each recess is generally arcuate in shape in plan view. 9. The base of claim 1, wherein at least two of the plurality of recesses are located diametrically opposite each other. 10. The base of claim 1, wherein each of the plurality of recesses has a width RW, a depth RD, and extends under the food liner by a distance RE, wherein RE is 0.08 in. or more, RD is between 0.125 in. and 0.75 in., and RW is between 1.5 in and 3.0 in. 11. The base of claim 1, wherein the base member further comprises a locking feature configured to engage a lid. 12. The base of claim 1, wherein the base member further comprises a base rim proximate the perimeter, the base rim defining a base channel including an inner wall, a bottom wall, and an outer wall. 13. The base of claim 12, wherein the base channel is configured to receive a portion of a lid. 14. The base of claim 13, wherein the base member further comprises a locking feature, the locking feature comprising lock projections on at least one of the inner and outer walls of the base channel. 15. The base of claim 1, wherein the base further comprises a food liner. 16. The base of claim 15, wherein the food liner is shaped to be received within the central region of the base member and substantially surrounded by the retaining ring. 17. The base of claim 15, wherein the food liner has a thickness equal to or less than height H of the retaining ring. 18. The base of claim 1, wherein the base member is made of sheet plastic. 19. A base for a food container comprising: a base member having a perimeter and a central region, the central region including a shoulder;the base member further having a retaining ring formed between the perimeter and the central region, the retaining ring having a width W and extending upwardly from the central region a height H, the shoulder defining at least a portion of a support surface proximate the retaining ring; andthe base member further having a plurality of recesses defined therein, each recess extending a depth RD below the support surface and across the width W of the retaining ring from the perimeter and into the shoulder. 20. A food container comprising: a base comprising: a base member having a perimeter and a central region, the central region including a shoulder,the base member further having a retaining ring formed between the perimeter and the central region, the retaining ring having a width W and extending upwardly from the central region a height H, the shoulder defining at least a portion of a support surface proximate the retaining ring, andthe base member further having a plurality of recesses defined therein, each recess extending a depth RD below the support surface and across the width W of the retaining ring from the perimeter and into the shoulder; anda lid having a perimeter configured to engage the perimeter of the base member. 21. The food container of claim 20, wherein the base has a base bottom surface with a stacking feature to allow the base to be stacked on a lid of a substantially similarly shaped container. 22. A method for manufacturing a base, comprising: providing a sheet of plastic material; andshaping the sheet of plastic into a base member, the base member having:a perimeter and a central region, the central region including a shoulder,a retaining ring formed between the perimeter and the central region, the retaining ring having a width W and extending upwardly from the central region a height H, the shoulder defining at least a portion of a support surface proximate the retaining ring, anda plurality of recesses defined therein, each recess extending across the width W of the retaining ring and into the shoulder.
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이 특허에 인용된 특허 (8)
Krupa Calvin S. (Medina MN), Base for angel food cakes.
Hansen Darryl P. (Shortsville NY) Mangla Raj K. (Pittsford NY) Matos Raul (Rochester NY) Oberdorf Dennis (Canandaigua NY) Olenski Chris (Walworth NY), Domed container for baked goods or the like.
Goins Timothy S. (Evanston IL) Smith Stephen A. (Naperville IL) Banach Matthew O. (Lake Zurich IL) Proper Daniel R. (Downers Grove IL), Food packaging cover.
Arneson Theodore R. (Mount Prospect IL) Hitchcock Robert F. (Glendale Heights IL) Williams Julie D. N. (Round Lake Beach IL), Traylike member and cover therefor.
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