A container includes a base having a base peripheral portion and a lid having a lid peripheral portion. The lid peripheral portion is mountable to the base peripheral portion to mount the lid to the base for closing the container. A frangible hinge member pivotably joins the base to the lid. The hin
A container includes a base having a base peripheral portion and a lid having a lid peripheral portion. The lid peripheral portion is mountable to the base peripheral portion to mount the lid to the base for closing the container. A frangible hinge member pivotably joins the base to the lid. The hinge member includes a base hinge panel joined to the base peripheral portion, and a lid hinge panel joined to the lid peripheral portion. The base and lid hinge panels are pivotally joined together at a pivot region. One of the base hinge panel and the lid hinge panel is separable along a line of weakness into a grasping portion connected to one of the base and the lid, and a flap portion connected to the pivot region.
대표청구항▼
1. A tamper evident container comprising: a) a base having a base peripheral portion defining a base peripheral edge;b) a lid having a lid peripheral portion defining a lid peripheral edge, the lid mountable to the base for bringing the container to a closed position, the closed position defined by
1. A tamper evident container comprising: a) a base having a base peripheral portion defining a base peripheral edge;b) a lid having a lid peripheral portion defining a lid peripheral edge, the lid mountable to the base for bringing the container to a closed position, the closed position defined by engagement of the lid peripheral portion with the base peripheral portion about a periphery of the container and the lid overlying the base;c) a base hinge panel joined to the base peripheral portion and extending outwardly therefrom;d) a lid hinge panel joined to the lid peripheral portion and extending outwardly therefrom, the base and lid hinge panels pivotally joined together at a pivot region, and the base and lid hinge panels having respective inner surfaces facing each other when the container is in the closed position, at least a portion of the inner surfaces spaced apart to form a gap therebetween when the container is in the closed position; ande) a frangible line of weakness extending at least partially across one of the base hinge panel and the lid hinge panel, the one of the base hinge panel and the lid hinge panel being separable along the frangible line of weakness into a grasping portion connected to one of the base and the lid, and a flap portion connected to the pivot region;f) wherein, when the container is in the closed position, at least a portion of the frangible line of weakness overlies the gap and is spaced inwardly from the pivot region towards one of the base peripheral portion and the lid peripheral portion, thereby reducing the risk of accidental separation of the base and lid along said frangible line of weakness, and wherein the frangible line of weakness is severable while the container is in the closed position by displacement of at least a portion of the one of the base hinge panel and the lid hinge panel into the gap, and wherein prior to severing the frangible line of weakness, at least one of the base peripheral edge and lid peripheral edge is generally inaccessible to a user about the periphery of the container when the container is in the closed position to inhibit opening the container without severing the frangible line of weakness. 2. The container of claim 1, wherein the frangible line of weakness extends at least partially across the lid hinge panel and the grasping portion is connected to the lid. 3. The container of claim 1, where the pivot region comprises at least two pivot surfaces joined together at one or more generally non-frangible pivot edges. 4. The container of claim 1, wherein the frangible line of weakness comprises a plurality of curves. 5. The container of claim 1, wherein the pivot region is biased to pivot the flap portion away from the grasping portion when the one of the lid hinge panel and the base hinge panel is separated along the frangible line of weakness. 6. The container of claim 1, wherein prior to severing the line of weakness, the lid peripheral edge is generally inaccessible to the user about the periphery of the container when the container is in the closed position. 7. The container of claim 1, wherein a width of the flap portion is less than a width of the base hinge panel. 8. The container of claim 1, wherein an entirety of the frangible line of weakness overlies the gap. 9. The container of claim 1, wherein the pivot region is configured to pivot the flap portion away from the grasping portion when the one of the lid hinge panel and the base hinge panel is separated along the frangible line of weakness into the grasping portion and the flap portion. 10. The container of claim 1, wherein the pivot region is characterized by absence of another frangible line of weakness. 11. The container of claim 1, wherein the frangible line of weakness is severable by displacement of at least a portion of the flap portion into the gap. 12. The container of claim 2, wherein the base hinge panel comprises a downwardly extending recess defining at least a portion of the gap. 13. The container of claim 2, wherein the base has an open end circumscribed by the base peripheral portion and the lid has a cover portion circumscribed by the lid peripheral portion, the closed position further defined by the base being supported on a generally horizontal surface with the open upper end of the base covered by the cover portion of the lid and the lid hinge panel being situated above the base hinge panel, and wherein when the container is in the closed position, the lid hinge panel is separable along the frangible line of weakness to open the container by grasping and separating the grasping portion from the flap portion. 14. The container of claim 1, wherein the closed position is defined by snap-fit engagement of the lid peripheral portion with the base peripheral portion, the snap-fit engagement preventing the lid from falling off the base when the frangible line of weakness is severed and the container is inverted in the closed position. 15. A tamper evident container comprising: a) a base having a base peripheral portion circumscribing an open upper end of the base;b) a lid having a lid peripheral portion defining a lid peripheral edge, the lid mountable to the base with the lid overlying the open upper end of the base for bringing the container to a closed position, the closed position defined by interlocking engagement of the lid peripheral portion with the base peripheral portion about an entire periphery of the container, the interlocking engagement being releasable and re-engageable for opening and re-closing the container;c) a base hinge panel extending outwardly from the base peripheral portion;d) a lid hinge panel extending outwardly from the lid peripheral portion;e) a pivot region pivotally connecting the base hinge panel and the lid hinge panel; the base hinge panel extending between the base peripheral portion and the pivot region, and the lid hinge panel extending between the lid peripheral portion and the pivot region;f) a frangible line of weakness extending at least partially across the lid hinge panel, at least a portion of the frangible line of weakness being spaced from and positioned inwardly of the pivot region towards the lid peripheral portion thereby reducing the risk of accidental separation of the base and the lid along said frangible line of weakness;g) wherein when the container is in the closed position, the lid hinge panel is separable along the frangible line of weakness to open the container, the lid hinge panel separable into a first portion connected to the lid and a second portion connected to the pivot region; and wherein said container is characterized by absence of another frangible line of weakness. 16. The container of claim 15, wherein the first portion includes a grasping portion and the second portion includes a flap portion. 17. The container of claim 15, wherein the frangible line of weakness comprises a plurality of curves. 18. The container of claim 15, wherein the base and lid hinge panels have respective inner surfaces facing each other when the container is in the closed position with at least a portion of the inner surfaces being spaced apart to define a gap therebetween. 19. The container of claim 18, wherein a portion of the frangible line of weakness overlies the gap. 20. The container of claim 18, wherein said lid hinge panel is at least separable by displacement of at least a portion of the second portion downwardly into the gap. 21. The container of claim 15, wherein the pivot region comprises at least two pivot surfaces joined together at one or more non-frangible pivot edges. 22. The container of claim 15, wherein prior to severing the frangible line of weakness the lid peripheral edge is generally inaccessible to a user when the container is in the closed position to inhibit opening the container without severing the frangible line of weakness. 23. The container of claim 15, wherein the pivot region is configured to pivot the second portion away from the first portion when the lid hinge panel is separated along the frangible line of weakness. 24. A tamper evident plastic food container, comprising: a) a base defining a food receptacle and having a base peripheral portion circumscribing an open upper end of the base;b) a lid defining a cover and having a lid peripheral portion circumscribing the cover, the lid peripheral portion securable to the base peripheral portion to mount the lid to the base and bring the container to a closed position;c) a base hinge panel joined to the base peripheral portion and extending outwardly therefrom;d) a lid hinge panel joined to the lid peripheral portion and extending outwardly therefrom, the base and lid hinge panels pivotally joined together at a pivot region, and the base and lid hinge panels having respective inner surfaces facing each other when the container is in the closed position;e) a frangible line of weakness extending at least partially across the lid hinge panel, the lid hinge panel being separable along the frangible line of weakness into a first portion connected to the lid, and a second portion connected to the pivot region, the frangible line of weakness severable while the container is in the closed position, wherein severing the line of weakness exposes a peripheral edge on at least one of the base hinge panel and the lid hinge panel to enable opening the container by grasping said one of the base hinge panel and the lid hinge panel adjacent the exposed peripheral edge; andf) wherein when the container is in the closed position and oriented with the lid over the base, at least a portion of the frangible line of weakness is spaced laterally inwardly away from the pivot region towards the lid peripheral portion. 25. The container of claim 24, wherein the lid hinge panel comprises at least one grasping tab adjacent the exposed peripheral edge that remains attached to the lid after the frangible line of weakness has been severed. 26. The container of claim 24, wherein the pivot region comprises a plurality of generally non-frangible pivot edges about which the lid hinge panel can pivot relative to the base hinge panel. 27. The container of claim 24, wherein the pivot region is configured to pivot the second portion of the lid hinge panel away from the first portion when the lid hinge panel is separated along the frangible line of weakness. 28. The container of claim 24, wherein the first portion is configured as a grasping portion and a second portion is configured as a flap portion. 29. The container of claim 24, wherein the pivot region comprises a first pivot edge and at least a second pivot edge parallel to the first pivot edge and spaced apart from the first pivot edge, wherein plastic material of the container on either side of said first and second pivot edges remains connected together across said first and second pivot edges. 30. The container of claim 29, wherein the second pivot edge is generally aligned vertically above the first pivot edge when the container is in the closed position and the lid overlies the base. 31. The container of claim 29, wherein when the line of weakness is intact and the lid is pivoted away from the base and the lid and base peripheral portions are oriented generally horizontally and in side-by-side relation, the first and second pivot edges are spaced apart laterally, the second pivot edge disposed laterally intermediate the lid and the first pivot edge. 32. The container of claim 29, wherein when the line of weakness is intact and the lid is pivoted away from the base and the lid and base peripheral portions are oriented generally horizontally and in side-by-side relation, the frangible line of weakness is spaced apart laterally from the first and second pivot edges, and the frangible line of weakness is disposed between the lid and the second pivot edge. 33. The container of claim 29, wherein the frangible line of weakness is disposed laterally between the lid and the second pivot edge. 34. The container of claim 24, wherein the pivot region is characterized by absence of another frangible line of weakness. 35. The container of claim 24, wherein the container is characterized by absence of another frangible line of weakness. 36. The container of claim 24, wherein the base peripheral portion and the lid peripheral portion remain intact after severing the frangible line of weakness such that the container is re-closeable after having been opened. 37. The container of claim 24, wherein the closed position is defined by interlocking engagement of the lid peripheral portion with the base peripheral portion about an entire periphery of the container, the interlocking engagement being releasable and re-engageable for opening and re-closing the container. 38. The container of claim 24, wherein one of the base peripheral portion and the lid peripheral portion comprises a laterally inwardly open recess and the other of the base peripheral portion and the lid peripheral portion comprises a laterally outwardly extending protrusion, the protrusion releasably receivable in the recess for providing a releasable snap-fit engagement between the lid and the base about an entire periphery of the container to move the container between open and closed conditions. 39. The container of claim 24, wherein the frangible line of weakness comprises a plurality of curves.
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