Abstract: A blank of sheet material for forming a polygonal container is provided. The blank includes a bottom panel, two opposing side panels, two opposing end panels, and a reinforcing panel assembly extending from a first side edge of a first end panel of the two end panels. The reinforcing panel assembly includes a corner panel extending from the first side edge of the first end panel, a first reinforcing side panel extending from a side edge of the corner panel, a second reinforcing side panel extending from a side edge of the first reinforcing side panel, a reinforcing corner panel extending from a side edge of the second reinforcing side panel, and an inner end panel extending from a side edge of the reinforcing corner panel. The corner panel and the reinforcing corner panel are configured, upon articulation of the blank, to be positioned into face-to-face relationship to form a corner wall of the container extending from a side edge of an end wall of the container to an end edge of a side wall of the container.

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) and side walls (3 to 5) hingedly connected to the bottom wall and folded upwards at a substantially right angle, and at least one stacking lug (7) extending upwards away from the plane of the side wall, the tray being obtained by folding from a rectangular blank of corrugated cardboard. The tray is characterized in that the blank has a rectangular outline and in that the parts forming the lug (7) are included in said outline. The invention can be used to make trays for transporting yogurt containers.

Abstract: A stackable container for carrying produce. The container has tapered side walls or end walls to aid in the stacking of like containers. Also, the container has locking flaps that allow the container to be erected manually and without the need for fasteners. Further, at least one tapered wall of the container has a reinforcement flap that creates a partial top structure in the upper part of the container that helps prevent bulging of the walls. The reinforcement flap also creates doubled stacking tabs and diagonal corner posts that aid in the stacking of like containers.

Abstract: Featured is a storage container having a rectangular base with a front wall folded upwardly along a front edge of the rectangular base, a back wall folded upwardly along a back edge of the rectangular base, a outer cover panel extension to the front wall having a pair of widths and having a cover tuck flap, wherein each edge along the pair of widths in the outer cover panel extension has cutouts in a smooth shape, an inner cover panel extension to the back wall having a pair of widths folded along a top edge of the back wall, each edge along the pair of widths of the inner cover panel extension has cutouts in a smooth shape and a pair of end walls extending upwardly along a side edge of the rectangular base with a pair of grab areas allowing fingers extending towards outer cover panel passing over cutouts having the smooth shape.

Abstract: The embodiments of the present invention provide a blank foldable material that may be configured to form a container. When formed, the container is self-locking and includes a rollover panel assemblies formed by spaced apart fold lines that forms bearing surfaces for vertically stacked containers. The container includes a inside taper that functions to prevent telescoping of vertically stacked container, and to hold the various corner panels in their proper location. The blank is configured to form a container that includes corners having multiple thicknesses for strength and stability. The container is self locking, easy us manufacture yet high strength.

Abstract: A paperboard container folded from a single unitary blank of paperboard has a bottom wall, opposite side walls, and opposite end walls. Stacking tabs project from an upper edge of the end walls for receipt in corresponding slots in end edges of the bottom wall of an adjacent stacked container, and ventilation openings are formed in the side and end walls for circulation of air. The end walls are formed by inner and outer roll-over panels, and are slightly inwardly inclined to provide space for circulation of air between the containers when two of them are abutted together in end-to-end relationship. First extension flaps on the ends of the inner roll-over panels lie against and are secured to the inner surface of adjacent side walls, and second extension flaps on the ends of the side walls extend between and are captured by the inner and outer roll-over panels. In a preferred embodiment, the first extension flaps and the roll-over panels are held in place by interengaged detent tabs and slots.

Abstract: A stackable container for carrying produce. The container has tapered side walls or end walls to aid in the stacking of like containers. Also, the container has locking flaps that allow the container to be erected manually and without the need for fasteners. Further, at least one tapered wall of the container has a reinforcement flap that creates a partial top structure in the upper part of the container that helps prevent bulging of the walls. The reinforcement flap also creates doubled stacking tabs and diagonal corner posts that aid in the stacking of like containers.

Abstract: Aspects of the present invention feature a storage container formed from cardboard material. This particular storage container has a rectangular base unit having a front wall folded upwardly along a folded front edge of the rectangular base, a back wall folded upwardly along a folded back edge of the rectangular base with at least one cover slot and integral cover secure flap extending from within the at least one cover slot. On the top of the storage container, a outer cover panel extension to the front wall is folded in a spaced and parallel relationship to the rectangular base along a folded top edge of the front wall and having at least one cover tuck flap with an integral cover secure slot both cooperating with the at least one cover slot and integral cover secure flap respectively. Under the cardboard outer cover panel is an inner cover panel extension to the back wall folded along a folded top edge of the back wall in a spaced and parallel relationship to the rectangular base.

Abstract: A corrugated paperboard container (10) has a bottom (11), opposite side walls (12, 13) and opposite end walls (14, 15). The end walls include an end panel (18) that is foldably connected to the bottom, and end flap panels (16, 17) that are foldably connected to the side walls. A roll-over flap (23) is connected to the end wall by a web (24), and a notch (20) is in the top edge of the end flap panels. The end wall panel and end flap panels are folded into overlying relationship, and the roll-over flap is folded over an upper edge of the end wall panel, with the web lying in the notch. A projection or hook (41) extends into one side of the notch to engage an edge of the web to retain the web in the notch. A blank for making the container is also disclosed.

Abstract: A stackable container for carrying produce. The container has tapered side walls or end walls to aid in the stacking of like containers. Also, the container has locking flaps that allow the container to be erected manually and without the need for fasteners. Further, at least one tapered wall of the container has a reinforcement flap that creates a partial top structure in the upper part of the container that helps prevent bulging of the walls. The reinforcement flap also creates doubled stacking tabs and diagonal corner posts that aid in the stacking of like containers.

Abstract: The embodiments of the present invention provide a blank of foldable material that configured to form a container. When formed, the container is completely self-locking. Additionally, when the blank is formed with any number of known liquid-proof sheet material or coatings, the container provides a leak/sift proof structure. Also, the container provides for all inside surfaces to be smooth, flat and interrupted surfaces. Further, as the hand hold cutouts are covered by end panels, the container retards hot or cold inside temperature degradation, which make the container ideal for use as a low-cost cooler or the like.

Abstract: A stackable container for carrying produce. The container has tapered side walls or end walls to aid in the stacking of like containers. Also, the container has locking flaps that allow the container to be erected manually and without the need for fasteners. Further, at least one tapered wall of the container has a reinforcement flap that creates a partial top structure in the upper part of the container that helps prevent bulging of the walls. The reinforcement flap also creates doubled stacking tabs and diagonal corner posts that aid in the stacking of like containers.

Abstract: A corrugated paperboard container (10) has a bottom (11), opposite side walls (12, 13) and opposite end walls (14, 15). The end walls include an end panel (18) that is foldably connected to the bottom, and end flap panels (16, 17) that are foldably connected to the side walls. A roll-over flap (23) is connected to the end wall by a web (24), and a notch (20) is in the top edge of the end flap panels. The end wall panel and end flap panels are folded into overlying relationship, and the roll-over flap is folded over an upper edge of the end wall panel, with the web lying in the notch. A projection or hook (41) extends into one side of the notch to engage an edge of the web to retain the web in the notch. A blank for making the container is also disclosed.

Abstract: A carton, fabricated preferably from corrugated paperboard material, including a bottom panel, two side panels, two end panels, a pair of top panels for closing the carton, locking flaps extending from the ends of the top panels and having tabs receivable in the end panels, and further including a plurality of corner support structures, formed from panels emanating from end edges of the end panels.

Abstract: A container for carrying produce having dove tail locks is created from a container blank having nonsymmetrical, offset dove tail locks on the edges of the blank. When the blank is on a larger paperboard substrate having multiple blanks, the dove tail locks of a blank border the dove tail locks of an adjacent blank in a configuration that eliminates pinch points. The elimination of pinch points is achieved by having dove tail locks wherein the sides of the dove tail lock diverge from each other at different angles and for different horizontal vectors.

Abstract: A paperboard container folded from a single unitary blank of paperboard has a bottom wall, opposite side walls, and opposite end walls. Stacking tabs project from an upper edge of the side walls for receipt in corresponding slots in an edge of the bottom wall of an adjacent stacked container, and ventilation openings are formed in the side walls for circulation of air. The side walls are formed by inner and outer roll-over panels, and are slightly inwardly inclined to provide space for circulation of air between the containers when two of them are abutted together in side-by-side relationship. First extension flaps on the ends of the inner roll-over panels lie against and are secured to the inner surface of the end walls, and second extension flaps on the ends of the end walls extend between and are captured by the inner and outer roll-over panels.

Abstract: A single-piece containerboard blank (10) is provided having hingedly-connected first and second side walls (26), (34) in which the second side wall (26) is smaller in length than the first side wall (34). The second side walls each include an outer abutment edge (42). The first side walls include first and second interior end walls (50), (52). Each second interior end wall (52) includes a hypotenuse panel (62) with an inwardly-oriented edge (66). As assembled, the blank (10) forms a container having opposed multi-ply side panels, opposed end panels, and a bottom panel. The hypotenuse panels (62) are oriented in an upright manner and ultimately positioned so that their inwardly-oriented edges (66) push against the first side wall and preferably also against the abutment edges (42) of the second side wall (34). The hypotenuse panels (62) offer stacking strength and reinforcement to the container.

Abstract: A container for carrying produce having dove tail locks is created from a container blank having nonsymmetrical, offset dove tail locks on the edges of the blank. When the blank is on a larger paperboard substrate having multiple blanks, the dove tail locks of a blank border the dove tail locks of an adjacent blank in a configuration that eliminates pinch points. The elimination of pinch points is achieved by having dove tail locks wherein the sides of the dove tail lock diverge from each other at different angles and for different horizontal vectors.

Abstract: A container made from corrugated paperboard has a bottom wall, opposite side and end walls, and a self locking arrangement on the end walls holding the container in erected condition. The self locking arrangement includes first and second end panels on opposite ends of the side walls, and a third end panel on opposite ends of the bottom wall. The end panels form the end walls of the container. The first and second end panels have at least one notch formed in an upper edge, and a roll over flap is foldably joined by at least one web to an upper edge of each of the third end panels and is folded inwardly and downwardly over the upper edges of the first and second end panels into a locked position to hold the end panels and thus the container in erected condition. In the locked position, the web is engaged in the notch.

Abstract: The cut blank includes a rectangular bottom F having its sides extended by four sets of panels and flaps respectively forming a back panel (11) and a wrapping cover (1) with a double front panel (13, 14), a frontal flap (2), a first small side with a double wall (31, 32), and a second small side with a double wall (41, 42) extended by a double bottom (43) snapping into a wall (32) of the first small side. Flaps articulated on the back panel (11) and caught between the double walls (31, 32; 41, 42) of the small sides are extended by snugs (8a, 8b) which engage in notches (9a, 9b) of a front panel (14) of the cover (1) to lock the box in a completely closed position.

Abstract: A container for holding produce having a floor, four sidewalls and a cover. Two of the four sidewalls are multi-layered with a core including a plurality of interlocking panels. The interlocked panels are lockingly connected in coplanar pairs through a set of complementary locking contours. Pairs of interlocked panels overlap in a back-to-back relationship to form a "dual-lock" arrangement. The coplanar, dual-lock arrangement allows the sidewalls and floor to be tightly interlocked thereby enabling the container to resist higher loads without buckling. The cover panels protect the enclosed produce while letting in air for ventilation through a plurality of ventilation holes.

Abstract: A one-piece expandable pizza box having a bottom panel, a fully-reclinable rear wall, a cover attached to the rear wall, at least one fall-back side wall structure with a side wall that can assume both a vertical position and a fall-back position, and a double-panel wall adjacent the side wall; plus an associated method of use involving placing a pizza into the partially-erected expandable pizza box and causing the side wall to move from the fall-back position to the vertical position.

Abstract: A pizza carton providing a high degree of product protection through employing one or more structural features including a warp-resistant cover panel to prevent the cover from contacting the pizza, product anti-slide cover flaps and movable diagonal walls to contain the product on eight sides while still providing a square corner for packing an extra item in the box, and quick-release corner connections and a specially contoured inner panel of a double-panel front wall to allow for slicing pizza in the box without need to slide the pizza back-and-forth. Also included is a method for making a box having a warp-resistant cover.

Abstract: A closure arrangement for a one-piece, foldable, paperboard container with tray and hinged cover, the tray side wall panels have, foldably joined to their front edges, corner flaps adapted to lie against the inner surface of the tray front wall, and each of the corner flaps are scored to allow a portion of the flap to be deflected, as its related side wall panel is canted inwardly, to facilitate insertion of lock tabs projecting upwardly and downwardly from the corner flaps into related receiving openings of the tray top panel and bottom wall panel.

Abstract: A container for the storage, transport and handling of bulk mail is provided. The container includes a top panel that is adequately secured in place thereby eliminating the need for a separate tray, elastic strap and sleeve. A plurality of containers, in combination with a pallet, top and bottom caps and side enclosures provide an improved method for the shipment of large quantities of bulk mail and eliminates the need for shrink wrapping conventional sleeves onto pallets.

Abstract: A box-like container (10) is formed from a scored blank (12) which has a base panel (20) which serves as the bottom of the box, base side panels (22, 24) connected to the sides of the base panel (20), a rear panel (40) connected to the rear edge of the base panel (20), rear side panels (42, 44) connected to the sides of the rear panel (40), a primary top panel (50) connected to the rear panel (40), support flaps (52, 54) connected to the sides of the primary top panel (50), a secondary top panel (60) connected to the primary top panel (50), securement flaps (62, 64) forming tabs (66, 68) at each end, connected to the sides of the secondary top panel (60), a front panel (70) connected to the front edge of the base panel (20), front side panels (72, 74) connected to each side of the front panel (70), a canopy/auxiliary top panel (80) connected to the front panel (70), and support flaps (82, 84) connected to each side of the canopy/auxiliary top panel (80).

Abstract: A container tray is provided with a tray member and an insert member that are able to be assembled in conjunction with each other. The tray member is shaped to provide a series of extension members, tabs and notches that form end portions of the tray member that lock the side panels together in a robust manner. The extension members, notches, slots and tabs are also arranged to facilitate the assembly of a flat paper structure into a strong tray member. The insert member is provided with a plurality of risers and notches that are shaped to be received by associated components in the tray member and lock the insert member rigidly into place within the tray member. The container tray can be used during the assembly and testing process of components and can also be used to shipped the finished components to a customer without having to remove the product from one tray and place it into another shipping container.

Abstract: A Container for the storage, transport and handling of bulk mail is provided. The container includes a top panel that is adequately secured in place thereby eliminating the need for a separate tray, elastic strap and sleeve. A plurality of containers, in combination with a pallet, top and bottom caps and side enclosures provide an improved method for the shipment of large quantities of bulk mail and eliminates the need for shrink wrapping conventional sleeves onto pallets.

Abstract: An initially flat and unfolded sheet of corrugated paperboard is cut and scored to first serve as a tier sheet or separator between tiers or layers of products loaded on a pallet and then, when foldably connected integral parts of it are erected, as a tote box thereby comprising a dual function device.

Abstract: A re-usable, recyclable, reversible carton is made from recyclable plastics material and is formed from a carton blank adapted for erection without the need for additional closure devices such as glue or staples. The plastics material may be polyethylene and printing on at least one surface may be by use of UV inks on a roughened surface with a view to maximum longevity of the printing. The carton is erected from a knock-down carton blank having releasable engagement tabs and slots to releasably maintain the carton in an erected condition. A two part lid is provided, each part of which may be folded down the side of the carton to allow for the possibility of using the carton for open storage.

Abstract: A mailing box made of corrugated cardboard is formed from a single scored piece of corrugated cardboard that when folded provides multiple layers of support at the corners of the box providing extra strength for protection against crushing. The box is constructed so as to permit folding in such a way as to be self locking and has pressure sensitive adhesive means applied to interior surfaces for sealing the box when folded. The gift box has two layers of cardboard at the rear corners and four layers of cardboard at the front corners to provided increased protection from crushing.

Abstract: The present invention is addressed to an improved apparatus and method for making and using a self-locking container which may be non-destructively disengaged and thereafter re-interengaged. The invention features a polygonal container and an interlocking base and is well-suited where the container is also provided with an interlocking lid closing configuration. The base includes inwardly directed folded flanges which interengage with outwardly directed folded flanges provided on the lower edge of the container body. Therefore, when the container body section is nestingly mated with the base section, the oppositely-disposed flanges on each of the two respective container sections become lockingly engaged without the need for adhesives or other binding materials.

Abstract: A carton having interfitting cover and bottom portions is formed from an integral blank and has improved automatic locking features. Locking tabs struck out from an endwall of the cover are received in recesses formed in an endwall of the bottom portion. The locking tabs are wedged by folded end flaps to insure proper orientation for reception in the recesses, and to provide a bias force to urge the locking tabs into engagement with wall portions surrounding the recesses.

Abstract: A ventilated grape box and a one-piece blank for forming it. The blank is formed from corrugated paperboard and is cut and scored to permit it to be folded into a stackable grape box without the need for fasteners. The upper edges of both ends of the box are provided with upstanding stacking tabs which are adapted to fit in complementary recesses in the lower edges of an identical box stacked above it. Each of two upper closure panels is provided with tabs which frictionally engage certain end panels to thereby maintain the upper closure panels closed after the box is filled with grapes. Certain end forming panels are folded to define a triangular column at each inside corner of the box, to thereby increase stacking strength.

Abstract: A disposable ice, food or beverage carrier which is fabricated of corrugated fiberboard materials. A single piece of bendable corrugated fiberboard is factory die cut and scored in such manner that it may be easily folded into a container assembly for use by picnickers or other persons requiring a temporary insulative container. The score and cut-line designs disclosed yield a highly durable temporary food container.

Abstract: A self-erecting end-loading top-dispensing container which is convertible from a substantially flattened configuration for shipping the empty container into an erected box-like configuration for loading product into the container and for shipping loaded containers. By removing a tear-away portion of the top panel, the container is convertible into a tray having an open top for dispensing product. Connecting webs join the end closures of the container to the front and rear side walls, preserving the structural integrity of the container when the removable top is torn away.

Abstract: An octagonal tray and one-piece blank for forming it. The tray is formed from corrugated paperboard and is provided on at least its interior bottom and wall surfaces with a wax coating. The tray includes vertically disposed posts at its end walls, the posts increasing the vertical stacking strength of the tray and also reducing the requirement that the trays be accurately vertically aligned when stacked one on top of the other. The tray is manually erected by folding along hinge or fold axes formed in the blank. Crushed ice is placed among and on fish or poultry within the tray for example, with the tray then being lidded for shipment.

Abstract: A self locking container formed of a series of side, bottom, and end walls, all integrally folded together, and incorporating one or a pair of covers, the container generally formed of a unitary blank of paperboard or corrugated material, that may be folded into its usable configuration. Intermediate each end wall and side wall are bellows flaps, that fold contiguously into adjacency against the outer surface of each of their respective end walls, during folding of the carton, and a connecting flap formed along the upper edge of each end wall folds overlying the upper edges of the disposed proximate bellows flaps, to interlock them into position, for forming the body or lower portion of the container.

Abstract: A box construction including a bottom, and a pair of end walls extend upwardly from opposed edges of the bottom. A side wall extends upwardly from the bottom and connects corresponding ends of the end walls, while a second side wall is hinged to the bottom and can be pivoted between an open position, where it is generally flush with the bottom, to a closed position where it connects corresponding ends of the end walls. Each end wall is formed with an inner section and an outer section and the ends of the hinged side wall are formed with inwardly extending flaps that lie in common planes with the inner section of the corresponding end walls when the hinged side wall is in the closed position. The inner sections of the end walls and the flaps are formed with mating abutments which releasably lock the hinged side wall in the closed position.

Abstract: A box or container for yams or other bulk products wherein there are closure panels having lock panels at each end thereof, and which lock panels interlock in lock notches formed in end panels carried by a bottom panel of the box. The relationship between the lock panels, which includes bent elbow hooks, and the lock notches is one wherein the required locking action is easily effected and wherein the locks may be readily released for inspection. The box preferably has a three layer end wall construction including end panels carried by the bottom panel and other end panels carried by side panels of the box. The box is readily stackable and has tapered sides and vent openings so as to permit circulation between and within stacked boxes. In one modification the box is formed from a tube, the tube being formed by joining together the ends of a unitary blank to thereby form a manufacturer's joint, the blank defined by a plurality of hinged, articulated panels.