The present disclosure is directed to reusable food covers. Such reusable food covers may be flexible so that they can create a seal with partially consumed foods, such as fruits and vegetables, to preserve these foods and extend the time of being suitable and desirable for consumption. Each cover m
The present disclosure is directed to reusable food covers. Such reusable food covers may be flexible so that they can create a seal with partially consumed foods, such as fruits and vegetables, to preserve these foods and extend the time of being suitable and desirable for consumption. Each cover may include a base and a flexible wall formed as a single unitary structure.
대표청구항▼
1. A cover for covering food comprising: a base;a flexible wall having a first section extending upwardly from the base and surrounding the base, the flexible wall having a second section that is flat and extends horizontally such that the second section is parallel with the base, wherein the second
1. A cover for covering food comprising: a base;a flexible wall having a first section extending upwardly from the base and surrounding the base, the flexible wall having a second section that is flat and extends horizontally such that the second section is parallel with the base, wherein the second section extends radially inwardly from the first section, wherein a radially inner edge of the second section defines an opening, and wherein the base and the flexible wall form a chamber;wherein the first section of the flexible wall includes a first end region attached to the base and a second end region spaced from the first end region, the first section having a radially inner surface facing the chamber, and the first section having a radially outer surface disposed opposite the radially inner surface;wherein the radially inner surface of the first section has a concave curve, and wherein the radially outer surface of the first section has a convex curve;the second section of the flexible wall is attached to the second end region of the first section;wherein the first section has a first thickness, the second section has a second thickness, and the base has a third thickness, wherein the first thickness of the first section is greater than the second thickness of the second section, and wherein the third thickness of the base is in between the first thickness and the second thickness so that the third thickness is less than the first thickness but greater than the second thickness; andwhereby upon inserting food into the chamber, the flexible wall moves from an initial state to a final state and a seal is created between the food and the cover. 2. The cover of claim 1, wherein the second section of the flexible wall includes a flat outer surface facing opposite the chamber, and wherein the radially outer surface of the first section and the flat outer surface of the second section of the flexible wall together form a continuous outer surface of the cover. 3. The cover of claim 2, wherein the continuous outer surface of the cover is exposed and the cover has a total height defined between the base and the flat outer surface. 4. The cover of claim 1, wherein the base is sized and dimensioned to engage food inserted into the chamber, so that an exposed surface of the food contacts at least a portion of the base to form a second seal between the food and the cover. 5. The cover of claim 1, wherein the base has a circular shape. 6. The cover of claim 1, wherein the second section of the flexible wall is configured to form the seal with the food and wherein a central region thickness of the first section of the flexible wall at a central region of the first section disposed between the base and the second section of the flexible wall is greater than both a first end region thickness of the first section of the flexible wall at the first end region disposed adjacent the base and a second end region thickness of the first section of the flexible wall at the second end region disposed adjacent the second section of the flexible wall. 7. The cover of claim 1, wherein the opening defined by the second section of the flexible wall is configured to expand as food is inserted into the cover. 8. A cover for covering food comprising: a base;a flexible wall having a first section extending upwardly from the base and surrounding the base, the flexible wall having a second section that is flat and extends horizontally such that the second section is parallel with the base, wherein the second section extends radially inwardly from the first section, wherein a radially inner edge of the second section defines an opening, and wherein the base and the flexible wall form a chamber;wherein the first section of the flexible wall includes a first end region attached to the base and a second end region spaced from the first end region, the first section having a radially inner surface facing the chamber, and the first section having a radially outer surface disposed opposite the radially inner surface;wherein the second section of the flexible wall is attached to the second end region of the first section;wherein the first section has a first thickness, the second section has a second thickness, and the base has a third thickness, wherein the first thickness of the first section is greater than the second thickness of the second section, and wherein the third thickness of the base is in between the first thickness and the second thickness so that the third thickness is less than the first thickness but greater than the second thickness;wherein the second section of the flexible wall is more flexible than the first section of the flexible wall; andwherein the second thickness of the second section of the flexible wall allows the opening defined by the radially inner edge of the second section to expand as food is inserted into the cover. 9. The cover of claim 8, wherein the second section of the flexible wall includes a flat outer surface facing opposite the chamber, and wherein the radially outer wall of the first section and the flat outer surface together form a continuous outer surface of the cover. 10. The cover of claim 9, wherein the continuous outer surface of the cover is exposed and the cover has a total height defined between the base and the flat outer surface. 11. The cover of claim 8, wherein the base is sized and dimensioned to engage food inserted into the chamber, so that an exposed surface of the food contacts at least a portion of the base to form a second seal between the food and the cover. 12. The cover of claim 8, wherein the radially inner edge of the second section of the flexible wall extends axially towards the base as food is inserted into the cover. 13. A set of covers for covering food comprising: a first cover, comprising: a first base;a first flexible wall having a first section extending upwardly from the first base and surrounding the first base, the first flexible wall having a second section that is flat and extends horizontally such that the second section of the first flexible wall is parallel with the first base, wherein the second section of the first flexible wall extends radially inwardly from the first section of the first flexible wall, wherein a first radially inner edge of the second section of the first flexible wall defines a first opening, and wherein the first base and the first flexible wall form a first chamber;wherein the first section of the first flexible wall includes a first end region attached to the first base and a second end region spaced from the first end region of the first flexible wall, the first section of the first flexible wall having a first radially inner surface facing the first chamber, and the first section of the first flexible wall having a first radially outer surface disposed opposite the first radially inner surface;wherein the second section of the first flexible wall includes a first flat outer surface facing opposite the first chamber, and wherein the first radially outer wall of the first section of the first flexible wall and the first flat outer surface together form a first continuous outer surface of the first cover;wherein the first section of the first flexible wall has a first thickness, the second section of the first flexible wall has a second thickness, and the first base has a third thickness, wherein the first thickness of the first section of the first flexible wall is greater than the second thickness of the second section of the first flexible wall, and wherein the third thickness of the first base is in between the first thickness and the second thickness so that the third thickness is less than the first thickness but greater than the second thickness;wherein the first cover has a first total height defined between the first base and the first flat outer surface; anda second cover, comprising: a second base;a second flexible wall having a first section extending upwardly from the second base and surrounding the second base, the second flexible wall having a second section that is flat and extends horizontally such that the second section of the second flexible wall is parallel with the second base, wherein the second section of the second flexible wall extends radially inwardly from the first section of the second flexible wall, wherein a second radially inner edge of the second section of the second flexible wall defines a second opening, and wherein the second base and the second flexible wall form a second chamber;wherein the first section of the second flexible wall includes a first end region attached to the second base and a second end region spaced from the first end region of the second flexible wall, the first section of the second flexible wall having a second radially inner surface facing the second chamber, and the first section of the second flexible wall having a second radially outer surface disposed opposite the second radially inner surface;wherein the second section of the second flexible wall includes a second flat outer surface facing opposite the second chamber, and wherein the second radially outer wall of the first section of the second flexible wall and the second flat outer surface together form a second continuous outer surface of the second cover;wherein the second cover has a second total height defined between the second base and the second flat outer surface;wherein the second height is less than the first height and the second base is smaller than the first base so that the second cover can be nested within the first chamber of the first cover; andwherein the first opening has an inner diameter that is smaller than an outer diameter of the first cover formed by the second radially outer surface of the first cover, wherein first cover retains the second cover between the first base and the second section of the first flexible wall. 14. The set of claim 13, wherein the second cover has an outer diameter formed by the second radially outer surface of the second cover, wherein the outer diameter of the first cover is larger than the outer diameter of the second cover. 15. The set of claim 13, wherein the second opening has an inner diameter that is smaller than the inner diameter of the first opening. 16. The set of claim 13, further including a third cover, wherein the third cover is sized so that the third cover nests within the second cover. 17. The set of claim 16, further including a fourth cover, wherein the fourth and third covers are sized so that the fourth cover nests within the third cover. 18. The set of claim 13, wherein the first radially inner surface of the first section of the first flexible surface has a concave curve, and wherein the first radially outer surface of the first section of the first flexible surface has a convex curve; and wherein the second radially inner surface of the first section of the second flexible surface has a concave curve, and wherein the second radially outer surface of the first section of the second flexible surface has a convex curve. 19. The set of claim 13, wherein a central region thickness of the first section of the first flexible wall at a central region of the first section disposed between the first base and the second section of the first flexible wall is greater than both a first end region thickness of the first section of the first flexible wall at the first end region disposed adjacent the first base and a second end region thickness of the first section of the first flexible wall at the second end region disposed adjacent the second section of the first flexible wall.
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이 특허에 인용된 특허 (3)
Wylder Robert N. ; Steinbrecher Martin C., Reusable cover for rendering a conventional reusable drinking container spill resistant.
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