Abstract: A container for heating a food product. The container comprises a base layer of material and a liner releasably attached to an inner surface of the base layer. The liner is separable from the base layer after heating the container. The container comprises a bottom panel, and end panel foldably connected to the bottom panel, a side panel foldably connected to the bottom panel, and a corner panel foldably connected to the bottom panel. The corner panel extends between the end panel and the side panel.

Abstract: A system includes a container (500) having a base member (506) and four sides (501,502,503,504). The four sides flare outward from the base member as the four sides extend distally from the base member. The four sides define an open top (506) of the container. One or more tapered probe covers (100) can be stored within the container. The container can have a protective covering (700) as well.

Abstract: A foldable clamshell container is provided. The container may include a tray portion and a cover portion. The tray portion may include a front panel, rear panel, and side panels. The side panels may include triangular fold flaps on each end that are secured end flaps connected to the front and rear panels. The rear panel may have a height greater than the front and side panels and the cover portion may be foldably connected to an upper edge of the rear panel. The cover panel may include a cover panel, a front panel, and cover side panels with a triangular fold flap. The rear end flaps of the tray portion and the cover side panels may each include a curved edge portion. The container may be configured to transition between a folded-flattened configuration and an unfolded configuration by folding the triangular fold flaps of the tray and cover portions.

Abstract: An example blank for a break pack container is described. The blank includes first and second fold lines extending across at least a portion of a sheet of cardboard material. The blank includes wall portions bounded by the first and second fold lines, one of the wall portions including a first perforated section or cutout formed between the first and second fold lines. The blank includes a first top flap extending from the first fold line, the first top flap including first and second opposing ends, the first end of the first top flap including a first side flap connected to the first top flap by a third fold line. The first side flap is configured to be folded over a wall portion and inserted into the first perforated section or cutout when the sheet of cardboard material is folded into the assembled configuration.

Abstract: A leak resistant tray and a method of forming the tray from a blank. The blank comprises a bottom panel, first and second side panels, and first and second end portions connected to peripheral edges of the bottom panel. Each end portion includes inner end panel structure having a lower end panel and an upper end panel. Each end portion further includes first and second intermediate panels connected to the first and second side panels, first and second outer end panels connected to respective first and second intermediate panels, and first and second triangular gusset panels, each gusset panel connected between one of the intermediate panels and the lower end panel. First and second gusset trough panels are connected to a respective one of the gusset panels and to a lower edge of one of the outer end panels.

Abstract: Embodiments of a reusable stackable shipping box are provided herein. The reusable stackable shipping box may be reused and cleaned without causing harm to the integrity of the box. In addition, the box is slightly tapered in shape such that the box may be stacked upon and within other boxes for ease in shipping and organization.

Abstract: Dual handle box designs, blanks for forming boxes by folding, collapsible and non-collapsible boxes formed thereby, and manufacturing methods therefor are disclosed. Preferably each handle is located on an opposite end of the box; is two-ply; defines an elongate hand opening for receiving fingers of a hand; defines an elongate tab opening for receiving a tab of a center handle, and that intersects the hand opening; and defines a recess for receiving and retaining a lid panel of the box. Furthermore, the boxes preferably have a waterproof or water-resistant coating applied and are used as ice coolers for beverages and food items.

Abstract: A one-piece, foldable corrugated cooler includes a storage portion having a bottom panel, two side panels, two end panels, and four corner panels; two handle panels forming a lid and a handle; and at least one locking panel. The at least one locking panel is adapted to secure the lid in a closed orientation, and the at least one locking panel is integral with at least one corner panel and at least one handle panel.

Abstract: In one aspect, the disclosure is generally directed to a carton for holding at least one article. The carton comprising a plurality of panels comprising a bottom panel, a front panel foldably connected to the bottom panel, at least one back panel, a top panel, a lid panel foldably connected to the top panel. At least one end flap is foldably connected to a respective panel of the plurality of panels. A base comprises at least the bottom panel, and the front panel. A lid is pivotably attached to the base. The lid comprises the top panel and the lid panel and is movable between a closed position preventing access to the base and an open position allowing access to the base. Locking features are for releasably attaching the lid to the base in the closed position. The locking features comprises at least one male portion in the front panel and at least one female portion in the at least one end flap.

Abstract: A carton for holding at least one food product is disclosed, and includes a plurality of panels that extends at least partially around an interior of the carton, a first side flap, and a second side flap. The plurality of panels includes a bottom panel, a first side panel foldably connected to the bottom panel, a second side panel foldably connected to the bottom panel, and at least one end panel foldably connected to the bottom panel. The first side flap is foldably connected to the first side panel and includes a first tab and a second tab. The second side flap is foldably connected to the second side panel and includes a first locking feature and a second locking feature. The first tab is engaged with the first locking feature and the second tab is engaged with the second locking feature to form a reclosable lock of the carton.

Abstract: The invention pertains to an egg package comprising: a bottom part (4) formed by suction molding of a fibrous material, the bottom part (4) comprising a rear side (28), a front side (30), two end sides (32), and a plurality of egg-receiving compartments (34) having non-planar side surfaces (35) so as to match at least partially the outer contours of an egg, the plurality of compartments (34) being arranged in at least two parallel rows with upwardly extending projections (36) located between the rows of compartments (34), a cover part (6) comprising two substantially planar end surfaces (10), substantially planar rear (48) and front surfaces (12), and a substantially planar top surface (14), said cover part (6) being formed by cardboard and connected to the bottom part (4) via an elongated flap (40) extending from the rear side (28) of the bottom part (4), said elongated flap (40) being provided with a weakening in the transition between said elongated flap (40) and rear side (28) of the bottom part (4), said

Abstract: A one-piece, foldable corrugated cooler includes a storage portion having a bottom panel, two side panels, two end panels, and four corner panels; two handle panels forming a lid and a handle; and at least one locking panel. The at least one locking panel is adapted to secure the lid in a closed orientation, and the at least one locking panel is integral with at least one corner panel and at least one handle panel.

Abstract: A blank for forming a tray for shipping and displaying at least one product is provided. The blank includes a bottom panel, a pair of opposed side panels connected to the bottom panel, and at least one divider panel assembly connected to the bottom panel and one of the side panels. The at least one divider panel assembly includes a plurality of support slots configured to receive a portion of at least one of the containers to secure the container to the tray, to display the containers within the tray, and to enable individual access to each of the containers within the tray.

Abstract: A blank assembly includes a tray blank having a first end panel assembly, a first side panel assembly, a second end panel assembly, and a second side panel assembly in series. Each panel assembly includes a removable pad panel. The tray blank further includes a bottom panel extending from each panel assembly at a fold line. The blank assembly further includes a first side insert blank configured to couple to the first side panel assembly. The first side insert blank having a removable pad panel configured to at least partially align with the removable pad panel of the first side panel assembly. A second side insert blank is configured to couple to the second side panel assembly. The second side insert blank includes a removable pad panel configured to at least partially align with the removable pad panel of the second side panel assembly.

Abstract: Embodiments of a reusable stackable shipping box are provided herein. The reusable stackable shipping box may be reused and cleaned without causing harm to the integrity of the box. In addition, the box is slightly tapered in shape such that the box may be stacked upon and within other boxes for ease in shipping and organization.

Abstract: A structure is injection molded onto a group of panels to form a container. The container has a tray and an injection-molded feature. The tray has a plurality of side panels that extend at least partially around, and at least partially define, a cavity of the container. The tray has a plurality of multi-part flanges with at least one of the multi-part flanges including a lower flange portion and an upper flange portion. The injection-molded feature has band that is injected molded onto the lower flange portion and the upper flange portion. An injection-molded strip extends along and at least partially defines the corner of the container. The strip extends downward from the inner portion of the band in the elongate corner of the container. A tool is also disclosed for forming the container.

Abstract: Dual handle box designs, blanks for forming boxes by folding, collapsible and non-collapsible boxes formed thereby, and manufacturing methods therefor are disclosed. Preferably each handle is located on an opposite end of the box; is two-ply; defines an elongate hand opening for receiving fingers of a hand; defines an elongate tab opening for receiving a tab of a center handle, and that intersects the hand opening; and defines a recess for receiving and retaining a lid panel of the box. Furthermore, the boxes preferably have a waterproof or water-resistant coating applied and are used as ice coolers for beverages and food items.

Abstract: A one-piece, foldable corrugated cooler includes a storage portion having a bottom panel, two side panels, two end panels, and four corner panels; two handle panels forming a lid and a handle; and at least one locking panel. The at least one locking panel is adapted to secure the lid in a closed orientation, and the at least one locking panel is integral with at least one corner panel and at least one handle panel.

Abstract: A packaging structure for restraining an object comprises a panel and a film. The panel comprises a platform portion, an end flap portion, and a hinge portion. The end flap portion is foldably connected to the platform portion along an end flap fold line. The hinge portion comprises top and bottom hinge sections foldably connected to each other along a first hinge fold line between the top and bottom hinge sections. The film extends across the end flap fold line and is attached to the end flap portion and is also attached to the panel outside of the end flap portion. The packaging structure is foldable to an engaged position in which the object may be restrained between the film and the platform portion of the panel.

Abstract: A foldable packaging which may include a liquid-resistant paperboard form that is foldable to provide an attractive stackable container that resists water leakage, can be assembled without fastening hardware and has concealed gussets. The packaging can be folded into overlapping flaps and wings which are folded and interlocked to define a generally trapezoidal packaging which can receive a variety of different pot sizes and types. The die cut pattern forming the packaging can be of a universal shape but formed in a variety of different sizes to accommodate different sized potted plants.

Abstract: A lunch box includes a main body having a bottom portion, two side portions, a front portion and a back portion to define a receiving space, and a cover that covers upper portion of the main body extending from the back portion. Two side portions extend from bottom part of the junction of the front portion and back portion to form first shaping lines, and a retracting portion is formed between two side portions and two first shaping lines, and an expanding portion is formed at the junction of first shaping lines and the front portion. When the cover is bended down to cover the main body, the front portion is restored when the retracting portion rebounds, and the expanding portion is outwardly against the junction of the front cover and side covers to form a restricting position, so the box can be closed securely without external securing components.

Abstract: A blank assembly includes a tray blank having a first end panel assembly, a first side panel assembly, a second end panel assembly, and a second side panel assembly in series. Each panel assembly includes a removable pad panel. The tray blank further includes a bottom panel extending from each panel assembly at a fold line. The blank assembly further includes a first side insert blank configured to couple to the first side panel assembly. The first side insert blank having a removable pad panel configured to at least partially align with the removable pad panel of the first side panel assembly. A second side insert blank is configured to couple to the second side panel assembly. The second side insert blank includes a removable pad panel configured to at least partially align with the removable pad panel of the second side panel assembly.

Abstract: A piece of luggage including at least one section of a stiff shell material is provided. The at least one section of the stiff shell material defines a first face of the piece of luggage and has at least one corner. A portion of the at least one section has been removed to define at least one notch proximate the at least one corner. First and second edges of the at least one section adjacent the notch are folded inward relative an inner surface of the at least one section forming first and second sides. The first and second sides define second and third faces of the piece of luggage. The piece of luggage further includes at least one rigid corner piece secured to the first and second sides proximate the at least one notch.

Abstract: A carton for holding a food product can comprise a tray and a lid. The lid can cooperate with the tray to at least partially close the carton. The carton further can comprise a hinge at least partially foldably connecting the lid and the tray. The hinge can comprise a first hinge fold line, a second hinge fold line, and a cut extending between the first hinge fold line and the second hinge fold line. The first hinge fold line and the second hinge fold line are generally aligned along a hinge axis, and the cut comprises a central portion that is generally parallel to the hinge axis and is offset from the hinge axis. Portions of a side panel of the tray are foldably connected to respective portions of a side panel of the lid along the respective first and second hinge fold lines.

Abstract: A blank of sheet material for forming a container is provided. The blank includes a tray panel assembly, a cover panel assembly, a fold line connecting the tray panel assembly and the cover panel assembly, and an anti-buckling mechanism interrupting the fold line. The anti-buckling mechanism includes a series of cuts positioned at least partially below the fold line in the tray panel assembly. The series of cuts extends more than half a length of the fold line. Each cut of the series of cuts is substantially straight. The anti-buckling mechanism further includes an upper cut line defined in the cover panel assembly.

Abstract: The invention relates to a tray for transporting and displaying items such as yogurt containers. The tray is of the type comprising a bottom wall (1), side walls (2, 3, 4, 5) perpendicular to the bottom (1) and side flaps (27) enabling the attachment of a first wall (2, 4) to the adjacent wall (3, 5), each flap being hingedly connected to the side edge of the first wall (2, 4) and attached to the following wall (3, 5). According to the invention, the hinged connection of the side flap (27) to the first wall is provided by an interface area (16) in the shape of a triangle the apex (17) of which points toward the free upper edge (31, 32) of the two consecutive side walls (2, 3, 4, 5) and the base (18) of which rests on the bottom wall (1), this triangular interface area (16) being slanted from its base (18) to the apex (17) toward the outside of the outline defined by the bottom wall (1). The invention can be used for trays for transporting products such as yogurt containers.

Abstract: There is described herein a disposable clam shell food service container having a continuous sidewall which includes a novel flex-hinge panel between the lid and bottom of the container. This construction permits the container to open easily when the lid is pushed upwardly resulting in a flat tray like configuration devoid of the typical upstanding median wall or divider and which may be used as a serving plate by the consumer. The container may be easily snapped closed and locked to allow later consumption of any uneaten food products. Several additional embodiments of the invention are also presented, all of which include a continuous sidewall which ensures that the food product will remain warm and one of several lock means to secure the container in its closed condition. A triangular form of the container is also described for serving of pizza, pies and similar shaped food products.

Abstract: A taco holder including a rigid, foldable template that retains a crease when folded, which has portions and fold lines configured so that the taco holder is easily configurable between an open configuration and a folded configuration. The open configuration is defined by the fold lines being substantially unfolded such that front edges of the portions of the taco holder define an opening configured to receive a taco or other folded sandwich food. The folded configuration is defined by the fold lines being substantially folded such that the foldable food container is substantially flat.

Abstract: A foldable packaging which may include a liquid-resistant paperboard form that is foldable to provide an attractive stackable container that resists water leakage, can be assembled without fastening hardware and has concealed gussets. The packaging can be folded into overlapping flaps and wings which are folded and interlocked to define a generally trapezoidal packaging which can receive a variety of different pot sizes and types. The packaging may include a handle having an elongated strip, a gripping portion, one or more widened portions adjacent the gripping portion; a bulbous portion and a narrowing head portion.

Abstract: A clamshell carton may be erected from a blank for holding a food product. The blank may include various fold lines and corner features such as gussets or glue tabs that facilitate formation of the blank into the clamshell carton that includes a tray and a lid. The tray may have a bottom panel for supporting a food product. The lid may include a window that allows inspection of the food product held in the carton. The carton may include flanges that project outwardly from the tray and lid. When the carton is closed the flanges may define overlapping pairs that may be sealed together to enclose and seal the food product within the carton.

Abstract: An open clamshell-type food container is prevented from collapsing by means of a securing tab joined to the side wall of one of the container shells, a side wall joined to the other container shell, the two side walls being in alignment, and the securing tab being affixed to the other side wall.

Abstract: An expandable food carton expands to a non-trapezoidal shape when in an open and expanded state. The expanded state creates a wider top opening which provides a larger access to the interior of the package and thus to the food product. The expandable carton has a bottom end with upstanding side panels therefrom, where each side panel has at least one score line that extends between an upper end region and a lower end region. The carton has a top flap attached at an upper end of each side panel, each top flap also having a score line that extends longitudinally between an upper end region and a lower end region at a midpoint region. Upon shifting the carton into the expanded state, the side panels of the carton shift outward along their respective score lines and the top flaps of the carton fold down adjacent respective side panels and shift outward along their respective score lines.

Abstract: A foldable packaging which may include a liquid-resistant paperboard form that is foldable to provide an attractive stackable container that resists water leakage, can be assembled without fastening hardware and has concealed gussets. The packaging can be folded into overlapping flaps and wings which are folded and interlocked to define a generally trapezoidal packaging which can receive a variety of different pot sizes and types. The packaging may include a handle having an elongated strip, a gripping portion, one or more widened portions adjacent the gripping portion; a bulbous portion and a narrowing head portion.

Abstract: A disposable holder for food that includes a separable component for grasping a food item previously contained within the holder during consumption by a user. The holder has separable upper and lower portions that include corresponding tabs for keeping the holder closed. One of the upper or lower portions includes a series of fold lines, such that the upper or lower portion may be folded around a food item after separated from the other portion.

Abstract: A clamshell style paper board container including a tab-and-slot closure to openably secured the top and bottom halves of the clamshell in a closed position. Unlike conventional designs where the tabs in the bottom half extend from the side walls toward the front of the container, the tabs in the bottom half extend from the front wall toward the sides of the container. Also, a punch in device that can be used to provide a steam hole and/or an indicator of package contents where the punch in device include four generally parallel fold lines extending between two generally parallel perforations. When the punch-in device is punched in by a user, one of the fold lines is moved from: (i) a folded state at a location at a corner between two walls of the container to; (ii) an unfolded state at a location displaced from the corned toward the interior of the container.

Abstract: A container for packaging a product is provided. The container includes a blank of sheet material including a first panel, and at least one tab identifier defined within the first panel and moveable with respect to the first panel. The at least one tab identifier is configured to cooperate with a flex member assembly defined at least partially within the first panel. The blank forms the container including a tray portion and a lid portion coupled along a fold line to the tray portion. The lid portion is moveable about the fold line with respect to the tray portion between an open configuration and a closed configuration. In the closed configuration, the tray portion and the lid portion define a volume for storing the product.

Abstract: The present invention provides a container configured to selectively enclose a food product or the like, including: a tray including a first side wall, a second side wall, a front wall, a back wall, and a bottom that collectively define a compartment configured to hold a food product or the like, wherein the first side wall and the second side wall each include an enlarged flap; and a tapered cover including a first side wall, a second side wall, a front wall, a back wall, and a tapered top, wherein the first side wall, the second side wall, the front wall, the back wall, and the top are substantially coextensive with the tray, and wherein the first side wall and the second side wall each include an enlarged flap that is configured and positioned to interlock with the corresponding enlarged flap of the first side wall and the second side wall of the tray.

Abstract: The present invention provides a container configured to selectively enclose multiple food products, including: a tray including a first side wall, a second side wall, a front wall, a back wall, a bottom, and an internal wall disposed between the first side wall and the second side wall, wherein the first side wall, the second side wall, the front wall, the back wall, the bottom, and the internal wall disposed between the first side wall and the second side wall collectively define a first compartment configured to hold a first food product and a second compartment configured to hold a second food product; and a unified cover including a first side wall, a second side wall, a front wall, a back wall, and a top, wherein the first side wall, the second side wall, the front wall, the back wall, and the top are substantially coextensive with the tray.

Abstract: A carry out box formed of a single sheet of flexible material cut, scored and folded having front, bottom, first and second side walls; a sealable top closure; a back wall having an integral panel extending substantially above the assembled container top formed by the folded material forming the back wall of the container; a plurality of corner folds disposed at each end of the first and second sidewalls in the vertical plane, each the corner fold folded toward the corner fold sharing a common sidewall therewith in the same plane and parallel to the common sidewall, each corner fold having an overlapping portion with a opening therethrough. The opening in each corner fold portion is disposed to align with the opening in the overlapping corner fold forming a reinforced opening therethrough.

Abstract: A foldable pot cover provides a foldable die cut pattern which can be imprinted on its exterior surfaces with any of a number of designs. The pot cover is formed from a die cut pattern which can be folded into overlapping flaps and tabs which are folded and interlocked to define a generally trapezoidal pot cover which can receive a variety of different pot sizes and types and resists moisture. The die cut pattern forming the pot cover can be of a universal shape but formed in a variety of different sizes to accommodate different sized potted plants.

Abstract: A foldable packaging which may include a liquid-resistant paperboard form that is foldable to provide an attractive stackable container that resists water leakage, can be assembled without fastening hardware and has concealed gussets. The packaging can be folded into overlapping flaps and wings which are folded and interlocked to define a generally trapezoidal packaging which can receive a variety of different pot sizes and types. The die cut pattern forming the packaging can be of a universal shape but formed in a variety of different sizes to accommodate different sized potted plants.

Abstract: A container (1) for the transport of a foodstuff comprises an upper and a lower container half (2, 3) which are interconnected for pivoting between a closed and an open position (4). Each container half comprises a flat bottom and/or cover wall (5, 6), from which side walls (7, 8, 9, 10) extend essentially obliquely upwards or downwards and outwards to the respective other container half (2, 3). In order to improve the thermal insulation with containers of this nature and at the same time to achieve increased stability, in particular with containers made from paper, cardboard or the like, the bottom and/or cover wall (5, 6) is formed double-walled at least in places. A one-part blank (40) is provided for the manufacture of a container of this nature.

Abstract: A foldable packaging which may include a liquid-resistant paperboard form that is foldable to provide an attractive stackable container that resists water leakage, can be assembled without fastening hardware and has concealed gussets. The packaging can be folded into overlapping flaps and wings which are folded and interlocked to define a generally trapezoidal packaging which can receive a variety of different pot sizes and types. The die cut pattern forming the packaging can be of a universal shape but formed in a variety of different sizes to accommodate different sized potted plants.

Abstract: A carrier for food, beverages and other items and methods for carrying food, beverages and other items. The carrier is especially suitable for use at food and beverage concessions at sporting and entertainment venues and in fast-casual restaurants. The carrier is preferably made of paper and includes a carry tab which permits a customer to carry multiple carriers in one hand. The carry tab may include an aperture sized to accommodate the customer's thumb and fingers, providing for a sure and comfortable grip of the carrier. The carrier fits into a standard cup holder in the seating area at sporting and entertainment venues, or may hang from a hook provided in the seating area.

Abstract: The disclosure shows a retail display stand that can be used to display products sold in tapered packages. The display stand has at least one row of upper product apertures and a corresponding row of lower product apertures. The lower product apertures have a lateral dimension that is smaller than the corresponding lateral dimension of the upper product apertures. The stand also has distinct forward and back sets of product apertures. The back apertures have a lateral dimension that is smaller than the corresponding lateral dimension of the forward apertures. The difference in sizing causes tapered packages in the back row to sit in an elevated position with respect to the packages in the forward row of apertures, improving purchaser visibility of the back row of products and creating a better retail display.

Abstract: Described is a food container made from a single piece of material. The food container includes a front and rear panel joined by opposite sides and a bottom. The rear panel includes a flap cover with a pair of locking members and the front panel includes a flap and a pair of cut-outs on opposite sides thereof wherein the cut-outs are configured to secure the locking members so that the flap is positioned beneath the flap cover when the container is closed. The disclosed container allows for the quick and efficient collection of food product without the food product being touched by human hands. The container, having closure means, acts as a measuring device such that the size of portions is consistent. The closure means also maintains the temperature of the food product, allows for later storage of food product and prevents food product from unintentionally spilling from the container.

Abstract: A clamshell container and sauce holder for receiving a sauce container is constructed from a one-piece carton blank cut and scored to facilitate erection into a clamshell container with top and bottom portions hingedly connected along a common fold line. A bottom portion of the container includes an upper flat section extending inwardly from a bottom side wall, an integral support and a base member including a tuck flap for positioning the upper flat section. In addition, an opening is defined in the upper flat section for holding a sauce container.

Abstract: A drain pan assembly for receiving liquids from air conditioners, refrigerators, and freezers comprising a blank having peripheral edges, base forming fold lines, and corner piece forming fold lines, wherein at least two corner piece forming fold lines and a portion of the peripheral edges, form each corner piece. The corner piece further comprises a diagonal corner fold line. Folding each corner piece along each diagonal corner fold line forms corner flaps. Each corner flap is bent about each of the corner piece forming fold lines to dispose the corner piece forming fold lines adjacent to each other and the diagonal corner fold lines adjacent to a surface of each peripheral wall.

Abstract: A box-shaped container is formed with two container halves joined together for swiveling along an adjoining edge. Each of the halves comprises a bottom wall, side walls protruding away from same, and rear walls joining them at their ends. The joining edge is formed by the upper end edges of the rear walls. To improve such a box-shaped container in that removal of the food stuff is simplified in a simple constructive manner and without dispensing with the advantages of known containers and at the same time avoiding dirtying the user, the side walls of the first container half are formed with increasing height, and the side walls of the second container half are formed with decreasing height in the respective direction to the front wall.

Abstract: A clamshell container comprising a tray and a cover formed from a blank; the tray including a bottom and four curved side walls foldable upward from the four edges of the bottom along arcuate fold lines, the tray walls having defined corners inwardly offset relative to the center points of the walls; and a cover provided with corresponding walls, at least three of which are folded from arcuate fold lines along corresponding edges of a cover top panel and which define depending arcuate cover walls and a cover with a maximum width at transverse centerlines between opposed sets of walls and minimum widths at corners defined by the cover walls; the cover pivotally closing over the tray with the arced walls of the tray received within the arced walls of the cover and engaging therewith.