Abstract: Aspects of the disclosure relate to an article carrier for packaging a plurality of flanged articles, a blank for forming the article carrier. The article carrier comprises a plurality of primary panels for forming a tubular structure and defining an interior thereof. The plurality of primary panels includes a first panel and a second panel opposing the first panel. The article carrier further comprises a partition structure for dividing the interior into two or more article-receiving cells. The partition structure is formed from the first panel and comprises a lateral partition panel. The lateral partition panel is hingedly connected at a proximal end to the first panel by a proximal end fold line and is hingedly connected at a distal end to a glue panel by a distal end joint. The distal end joint between the lateral partition panel and the glue panel comprises a twistable strip extending between and joined with the lateral partition panel and the glue panel.

Abstract: A carton for packaging one or more articles. The carton includes a plurality of panels for forming a tubular structure. The plurality of panels forming a tubular structure includes a first side wall panel, a first end wall panel, a second side wall panel; and second end wall panel. The carton includes a first handle structure defined in a first one of the plurality of panels. The first handle structure includes a severance line defining at least in part a handle opening. The carton includes a first end closure panel forming, at least in part, top wall which at least partially closes an upper end of the tubular structure and which is hingedly connected to the first one of the plurality of panels by a first hinged connection. The carton includes a first reinforcing flap hingedly connected to the first end closure panel by a second hinged connection. The second hinged connection is offset from the first hinged connection.

Abstract: A method for removing material between the panels of a foldable blank (100), includes the steps of: separating at least a portion of the blank with a contoured line (25) to define a first panel (15) and a second panel (20), terminating the contoured line at a vertex (V), selecting one of the first and second panels as a trimmed panel (15) from which material is to be removed, defining a first line (R) that includes a pair of first and second points (P1, P2) on an edge of the trimmed panel, and removing a portion (A) of the trimmed panel defined by the first line and a section of the edge lying between the first and second points.

Abstract: A carrier for holding a plurality of containers. The carrier comprises at least one bottom panel, a front panel, a back panel, and at least two side panels. The interior of the carrier is divided into a front portion and a back portion by a first and second central panel. A first divider flap is foldably attached to the first central panel and extends to the front panel to divide the front portion into at least two container-receiving spaces. A second divider flap is foldably attached to the second central panel and extends to the back panel to divide the back portion into at least two container-receiving spaces. The first central panel has features for facilitating positioning of the second divider flap relative to the second central panel. The second central panel has features for facilitating positioning of the first divider flap relative to the first central panel.

Abstract: A foldable carrier for beverages and other objects has a pair of folding receptacles extending outwardly from a central vertical support panel structure. Horizontal slits are formed in the side walls across two or four corners of the carrier, and the resulting horizontal strips of material are bent inwardly to form dividers for separating objects from one another in the receptacles. If the slits are positioned just below the upper edges of the side walls, bending the strips inwardly effectively forms compartments of reduced height to facilitate the accommodation of objects of varying height, and/or displaying additional areas of the beverage containers and their labels.

Abstract: The disclosed head cover for golf clubs is designed to be conveniently and rapidly placed upon or removed from a head of a golf club. The head cover may include a head receiving part and a shaft receiving part that extends longitudinally from the head receiving part. The shaft receiving part can have the shape of a bird bill and may comprise facing upper and lower mandibles. The mandibles may be the same length and be formed by two slots which extend in parallel from opposite sides of an end opening to the head receiving part. A fastening member can be provided on each of the upper and lower mandibles and may detachably fasten the mandibles to each other by a magnetic force. The fastening member may include magnets and a metal plate.

Abstract: A carrier blank and method of making a carrier which is highly adaptable for use in different forms with both in-line and right-angle gluers presently in use by many carrier manufacturers. A blank for use with a variety of different right-angle gluers takes advantage of the structure of the carrier which has two separate support panels and receptacles. The parts for the carrier can be formed into a compact lay-out in two parallel arrays on opposite sides of the blank. Cut-outs forming dividers for each of the receptacles are nested and embedded in adjacent parts so as to form integral one-piece dividers. A manufacturer can select among several different blanks available for use on either in-line or right-angle gluers, all for producing essentially the same carrier.

Abstract: There is provided a basket style bottle carrier having a lengthwise central wall 30, 31 and receiving compartments for bottles 12 on each side of the central wall. A handle portion 14, which is separate from the central wall 30, 31, is connected to the remainder of the carrier device by interconnecting webs 17 extending from the side walls 23 of the compartments. The handle 14 is movable relative to the central wall 30, 31 between raised and lowered positions. In some arrangements the handle portion 14 has a downwardly extending portion 21 with hook formations 22 for engaging in notches 38 to retain the handle 14 in its lowered position.

Abstract: There is provided a carton 11 for containing two rows of bottles 12. The carton has a base, a pair of oppositely disposed side walls and a top panel section. The top panel section has side areas 22, 32 which lie over the tops of the bottles 12 and a central area 26, 35 between the bottles which is at least partially depressed relative to the side areas 22, 32. A handle portion can extend between the side panels and is constituted by opposite side areas 22 being linked together by central area 26 and handle web panels 24. The handle portion can be lifted from the depressed position into a raised carrying position.

Abstract: There is provided a basket style bottle carrier having a lengthwise central wall 30, 31 and receiving compartments for bottles 12 on each side of the central wall. A handle portion 14, which is separate from the central wall 30, 31, is connected to the remainder of the carrier device by interconnecting webs 17 extending from the side walls 23 of the compartments. The handle 14 is movable relative to the central wall 30, 31 between raised and lowered positions. In some arrangements the handle portion 14 has a downwardly extending portion 21 with hook formations 22 for engaging in notches 38 to retain the handle 14 in its lowered position.

Abstract: A basket-style carrier which includes a top panel. The end panels are comprised of two separate sections, each of which is connected to a center panel, and are spaced from the top panel. The top panel is foldably connected to the side panels and includes a handle. Vertical folds in the end panels allow the end panels to follow the contour of adjacent packaged bottles. In three embodiments the top panel includes bottle neck openings. In a fourth embodiment partial upper end panels connected to the top panel are spaced from the lower end panels. Gusset panels connected to upper end panel flaps and to glue flaps connected to the side panels automatically cause the upper end panel elements to fold into place during the carrier forming operation.

Abstract: A carrier for a plurality of articles arranged in at least two rows, includes substantially parallel first and second side walls, substantially parallel first and second end walls interconnecting the side walls, and a medial partitioning structure extending between and connected to the first and second end walls. The medial partitioning structure is disposed between and substantially parallel to the first and second side walls and includes first and second longitudinal partition panels disposed at least in part in face-to-face contacting relationship. The carrier further includes first and second transverse partition panels formed from the first and second longitudinal partition panels respectively. The first transverse partition panel is foldably connected to the first longitudinal partition panel and extends to the first side wall. The second transverse partition panel is foldably connected to the second longitudinal partition panel and extends to the second side wall.

Abstract: A bottle pack container for carrying bottles with contents, preferably made of cardboard or pasteboard, formed from two symmetrical carrying parts with central walls superimposed so as to form the central portion of the container, the central walls having openings superimposed and fastened by a lock to form a grip. Each of the carrying parts comprises at least one partly cut ring with an internal cut-out opening and with lateral wings and frontal wing, wherein said ring is attached to the inner surface of the external wall with glue. During assembling of the container the girded polypropylene strap is inserted into the appropriate holes provided in the external walls of each of the carrying parts.

Abstract: A carrier for beverage containers in which the beverage containers are of a type which have a bottom wall, an upstanding side wall and an openable top. The carrier is formed of a one-piece member formed of a non-plastic material formed into first and second halves adjoining each other at a first fold line. Each half is comprised of counting from the first fold line a handle segment forming the first fold line, a first side wall segment adjoining the handle segment at a second fold line and having first and second side margins, a bottom wall segment adjoining the first side wall segment along a third fold line, a second side wall segment adjoining the bottom wall segment along a fourth fold line and having first and second side edges, first and second end wall segments adjoining respectively the first and second side edges of the second side wall segment.

Abstract: A basket-style carrier designed to be automatically squared during fabrication. Squaring tabs at the lower ends of riser panels extend into slots in the end edges of the outer bottom panel flap to align the bottom panel flaps. The tabs are then folded over and glued to the outer face of the outer bottom panel flaps to strengthen the bottom panel.

Abstract: A stowable container of a generally rectangular boxlike configuration which is easy to selectively erect and fold includes front and rear side walls, a pair of end walls, a top flap, a bottom wall and a pair of longitudinally partition walls while defining a longitudinally extending pocket therebetween. Rows of a plurality of bottle chambers are defined by a group of transverse walls extending between one of the longitudinal partition wall and the front side wall and between the other of the longitudinal partition wall and the rear side wall for accommodating respective rows of bottles therein. The bottom wall includes a pair of bottle wall segments continued from the front and rear side walls, respectively. When the container is folded, the bottom wall segments buckle inwardly of the box so as to protrude into the longitudinal pocket to allow the container to be flattened.

Abstract: A basket style article carrier includes a bottom wall, a pair of side walls foldably joined to opposite side edges of the bottom wall, end panels foldably joined to each end of each side wall, a riser panel foldably joined to the inner edge of the end panels at one end of the carrier, a pair of medial panels foldably joined respectively to the inner edges of the end panels at the other end of the carrier, a pair of handle panels foldably joined respectively to the medial panels and secured in flat face contacting relation with the medial panels, cross partition structure foldably joined to each medial panel and a longitudinal reinforcing beam panel foldably joined along its top edge to the bottom edge of one medial panel and secured at one end to one of the medial panels and at the other end to one of the riser panels.

Abstract: A basket style article carrier having bottom, side and end walls together with telescoping medial and handle panels forming a medial longitudinal strut is provided with transverse partition panels interconnected between the medial longitudinal strut and the side walls, the transverse partition panels being spaced so as to form end cells of the same size and form a center cell of a different size on one side of the medial strut and which on the opposite side of the medial strut transverse partition spacer straps are interconnected between the medial panels and the adjacent side wall so as to provide an article receiving cell which is of substantially the same configuration and size as the end cells at each corner of the carrier.

Abstract: An article carrier of the basket style includes a bottom wall, opposed side walls joined to the bottom wall along the side edges thereof, end wall panels joined to the ends of the side walls and with the inner edges thereof disposed medially of the carrier together with riser panels joined to the inner edges of the end wall panels and wherein handle structure of the telescopic type includes a pair of outer handle panels adjoined to riser panels at one end of the carrier and a pair of inner handle panels adjoined to riser panels at the other end of the carrier and a handle interlocking and reinforcing panel struck from one of the outer handle panels and projecting through an aperture formed in a face contacting inner handle panel and folded upwardly and secured to the inner handle panel to reinforce and interlock the handle elements with each other.

Abstract: A bottom lock arrangement is provided for basket carriers having opposed end panels, opposed side walls and a floor structure. The basket carriers have a center wall disposed between and parallel the side walls to provide at least two side by side cells for the carrier. The bottom lock arrangement comprises at least one connector tab extending from the center wall, and the floor structure further comprises opposed first and second floor panels. The first panel is foldably connected to one side wall and the second panel is foldably connected to the opposite side wall. The first and second panels are sized to overlap one another and they further have aligned connector slots to receive the connector tab of the center wall. Center wall connector tab configurations and cooperating aligned connector and locking slot configurations in the first and second panels are provided to yield secure bottom locking arrangments.

Abstract: A multi-celled article carrier suitable for conveying articles such as cans and bottles, and a method for manufacturing the article carrier are disclosed. The article carrier preferably comprises four cells defined by a bottom wall, two side panels and two end walls. The article carrier is divided into cells by the combination of a medial partition extending from end wall to end wall and by a transverse partition extending from side panel to side panel to form four distinct cells. The medial partition further comprises an integral perforated handle consisting of two handle portions which cause the article carrier to become erected when united to form the perforated handle.

Abstract: The article carrier for bottles and the like includes a bottom wall, opposed side walls joined to the bottom wall along opposite side edges thereof, and end wall panels joined respectively to the end edges of the side walls and extending inwardly of the carrier. A first pair of riser panels is foldably joined respectively to the end wall panels at one end of the carrier, is foldably joined to each other along a riser fold line, and extends medially inward of the carrier. A second pair of riser panels is foldably joined respectively to the opposite end wall panels and extends medially inward of the carrier. A pair of handle panels is foldably joined respectively to the first pair of riser panels and is foldably joined to each other along a handle fold line. The first pair of riser panels is provided with a plurality of elongated openings which lie with their axes of elongation along the riser fold line so as to extend into each of the first pair of riser panels.

Abstract: A basket carrier of the type including a base having a plurality of handles projecting upwardly therefrom, the handles also functioning as partitions so as to divide the base into a plurality of individual spaces for receiving cups, bottles and the like. The same basic basket carrier can be formed from two different blanks. It has been found that by providing two different blanks, a full nesting of the blanks may be obtained so that the blanks may be formed from a web with substantially no loss, thereby reducing the amount of paperboard required to form the blanks. The resultant carriers differ primarily in that one carrier includes one double handle and two single handle arrangements and the other carrier has two double handle arrangements. The carriers differ also in the manner in which the various portions are connected together by way of different arrangements of glue flaps.

Abstract: A basket-type carrier in which the cells are longer than they are wide in order to receive articles which are elongated in transverse cross section. The blank for forming the carrier contains spaced centrally located support panel sections which are foldably connected to riser panel sections and to the ends of partition straps. The folds connecting the center support panel sections to the partition straps are located between the folds connecting the side panels to the end panel sections and the folds connecting the end panel sections to the riser panel sections.

Abstract: A basket-type carrier in which the cells are longer than they are wide in order to receive articles which are elongated in transverse cross section. The blank for forming the carrier contains spaced centrally located support panel sections which are foldably connected to riser panel sections and to the ends of partition straps. The folds connecting the center support panel sections to the partition straps are located between the folds connecting the side panels to the end panel sections and the folds connecting the end panel sections to the riser panel sections.

Abstract: A system for aligning portions of a carrier blank during the folding of a carrier blank into a folded carrier wherein an abutment tab having an abutment edge is provided in one portion of the carrier blank with the one portion having a first linear edge and wherein an abutment edge is provided in a second portion of the carrier blank with the second portion having a second linear edge so that when the first and second portions of the carrier blank are moved into adjacent relationship, the abutment edges move into a contacting relationship to guide the first and second linear edges into a superposed and aligned relationship.

Abstract: A multi-cell, basket-type carrier is provided with a combination mechanical interlock and an alignment means comprising a tongue portion which during a sequence of operations passes through a slot formed in a pair of riser panels and cooperates therewith so that the tongue portion is properly positioned in a superposed and aligned relationship with a handle portion and a portion of the riser panels is positioned between the tongue portion and the handle portion to form a mechanical interlock between the handle portion and the rest of the multi-cell, basket-type carrier.

Abstract: A cellular basket-style carrier has a pair of side walls (2, 3) one of the side walls (2) having a base panel (5) hinged thereto and the other of the side walls (3) having a connecting flap (10) hinged thereto and joining the base panel to the other side wall (3). Medial panels (14, 14a; 18, 18a) together provide both a central longitudinal partition structure (5) of the carrier and transverse partition structures on either side of said longitudinal partition structure. Each of the medial panels (18, 18a) associated with the other of the side walls (3) has a separator panel (46, 46a) hinged thereto which together provide a multiply separator (M) centrally of the carrier in the plane of said longitudinal partition structure.

Abstract: An article carrier of the basket style in which the opposed side and end walls are of the same height as a medial partition formed of two face contacting panels is provided with longitudinal finger gripping apertures formed in the face contacting medial panels and a reinforcing panel is struck from the area of one of the medial panels below the finger gripping apertures and adjacent the ends thereof and folded upwardly into face contacting relationship with the associated medial panel so as to afford reinforcement for the handle structure of the carrier.

Abstract: An article carrier of the basket style comprises a bottom wall, a pair of side walls foldably joined respectively to the side edges of said bottom wall, end wall panels foldably joined respectively to the end edges of said side walls and extending inwardly therefrom, medial panels foldably joined respectively to the medial edges of said end wall panels at each end of the carrier and extending inwardly therefrom and being wider than said end wall panels, handle structure joined to the upper portions of said medial panels, a transverse partition panel struck from and foldably joined to each of said medial panels, the transverse partition panels at one end of the carrier being initially disposed in a coplanar relationship with their associated medial panels respectively and the transverse partition panels at the other end of the carrier being swung out of the planes of their associated medial panels respectively through angles of approximately 180.degree.

Abstract: An article carrier comprising a bottom wall, a pair of side walls and end wall panels upstanding from the bottom wall, a pair of riser panels and a pair of medial panels, joined respectively to the medial edges of the end wall panels at the associated ends of the carrier and extending inwardly therefrom, handle structure joined to the riser panels and the medial panels and extending upwardly therefrom, a transverse partition panel joined to one of the medial panels and extending between the one medial panel and the associated side wall, an anchoring tab foldably joined to the transverse partition panel and being adhered to the associated side wall, and the upper portion of the transverse partition panel being bowed outwardly toward the associated end of the carrier.

Abstract: A cellular article carrier of the basket type formed from a single blank and comprising a series of cells provided on opposite sides of a longitudinal medial partition, the cells of each series being separated from an adjacent cell by a transverse partition structure including a main transverse partition panel hinged to the longitudinal medial partition and a supplementary transverse partition panel hinged in overlapping relationship to the main transverse partition panel, the overlapped faces of all the supplementary partition panels being presented towards one and the same end of the carrier.

Abstract: A collapsible carrier for bottled beverages which is formed from a blank of paperboard or similar material, cut and creased so that it may be folded and glued to establish, when set up, a bottom, upstanding side and end walls, and a handle and partition structure which includes a longitudinal center partition and three cross partitions on opposite sides thereof to divide the carrier into eight bottle receiving cells with the cross partitions providing two plies of blank material between points of bottle contact and with the center partition providing two plies of material between transverse pairs of bottles.

Abstract: An article carrier comprising a bottom wall, a pair of side walls joined respectively to the side edges of the bottom wall, end wall panels joined respectively to the end edges of the side walls to form opposing end walls, riser panels joined respectively to the inner edges of the end wall panels, a multiple ply handle extending between the riser panels, and the width of the bottom wall being less than the width of the end walls.

Abstract: An article carrier comprising a bottom panel with side walls and end panels upstanding therefrom, riser panels joined to the end panels respectively, a handle joined to the riser panels, a medial keel panel formed integrally with each riser panel at one end of the carrier and projecting inwardly therefrom, a first transverse partition panel joined to one keel panel and extending to one side wall, a second transverse partition panel connected to the other keel panel and extending to the other side wall, a reinforcing tab joined to the other keel panel and being disposed in flat face contacting relation with the first transverse partition panel, a series of cuts formed along a junction between the reinforcing tab and the other keel panel, and an aperture formed astride the fold line between the first transverse partition panel and the one keel panel.

Abstract: A basket type multi-use carrier carton of the top-opening type having double thicknesses of material between each adjacent carried article. The carton is made from a cartonboard blank which minimizes the number of folds and the amount of blank material required by auxillary overlying separator strips adhered to the internal separator panels located in one area of the blank that separate some of the carried articles.

Abstract: This invention relates to a cellular article carrier in which partitioning means forming a plurality of individual article cells is provided on each side of a medial partition structure. The medial partition includes a multi-ply handle structure comprising an outer handle structure secured in overlapping relationship with respect to an inner handle structure and extending between opposite end walls of the carrier, the outer handle structure including reinforcing straps hinged thereto and secured to the end wall panels at one end of the carrier.

Abstract: An article carrier of the basket type having locking tabs in the lower portions of riser panels at both ends of the carrier which are engaged by the carrier bottom panel to maintain the carrier in squared set-up condition. The locking tabs and the cooperating parts of the bottom panel are sized and positioned such that displacement of a carrier end wall to engage one tab causes simultaneous displacement of the opposite end wall by an amount sufficient just to clear the opposite locking tab from the bottom panel so that complete locking occurs when the displacement force is relieved.

Abstract: An article carrier of the so-called basket style includes a bottom panel to the side edges of which side walls are foldably joined, end panels foldably joined to the end edges of the side walls with riser panels foldably joined to the inner edges of the end wall panels and secured together in flat face contacting relation, a multi-ply handle panel connected at its ends with the upper ends of the riser panels, a medial keel panel integrally formed with each riser panel at one end of the carrier and arranged to project inwardly, transverse partition structure arranged to cooperate with the keel panel so as to provide transverse reinforcement for the side walls, such reinforcing structure including at least one transverse partition panel on each side of the carrier arranged with the outer ends thereof anchored to the associated side wall and with the inner ends anchored to one of the keel panels, and a reinforcing tab foldably joined to one of the keel panels and secured in overlapping face contacting relation w

Abstract: An article carrier formed from a unitary blank comprises spaced side and end walls foldably joined along adjacent edges, medial partition structure joined to the end walls and extending medially inward of the carrier, handle structure secured to the medial partition structure, a bottom panel secured to the lower edge of each side wall, an auxiliary bottom panel foldably joined to an end edge of the bottom panel and disposed on top thereof, and the auxiliary bottom panel being wider than the bottom panel.

Abstract: A returnable beverage bottle carrier is prepared from a one-piece blank of corrugated paperboard or the like without the aid of stitching, gluing or stapling. The carrier is in tray form with a handle that divides the carrier into two equally sized carrying compartments, and has three thicknesses of material on each of its four sides, a double thick bottom and a handle portion of at least two thicknesses.

Abstract: A foldable basket carrier has front and rear panel assemblies hinged about common edges of center panels wherein the center panels form a full two-ply center keel.

Abstract: An article carrier comprising a bottom panel (1), a pair of side walls (2,3) joined respectively to the side edges of the bottom panel, end wall panels (7,8,11,12) joined respectively to the end edges of the side walls, a pair of medial panels (19,20) joined respectively to the inner edges of the end wall panels at one end of the carrier and extending medially inward of the carrier, a pair of riser panels (15,16) joined respectively to the inner edges of the end wall panels at the other end of the carrier and extending medially inward of the carrier, a handle (23,24,25,26,27) secured to the medial panels and riser panels, a transverse partition strip (66,67,68,69) joined to one side wall and to the handle and extending therebetween, a bottom reinforcement panel (48) disposed in flat face contacting relation with the upper surface of the bottom panel, a pair of supplementary panels (49,50) joined respectively to the side edges of the bottom reinforcement panel and secured respectively in face contacting relati

Abstract: A foldable basket carrier has front and rear panel assemblies hinged about common edges of center panels wherein one of the cutter panels has transverse dividers cut therefrom for one of the front and rear compartments and the other compartment is divided by transverse divider panels on a separate piece.

Abstract: A foldable basket-type carrier suitable for holding twelve bottles has longitudinal partition panels connected between end wall panels on both sides of central panel and handle means thereof. Transverse partitions extend in opposite directions from the longitudinal partition panels to the side wall panels and to the central panel means completing the division of the carrier into twelve article receiving cells, two rows of three receiving cells being provided on each side of and parallel to the central panel and handle means.

Abstract: A collapsible carrier for bottled beverages which is formed from a blank of paperboard, or similar material, cut and creased so that it may be folded and glued to provide, when set up, a bottom, upstanding side and end walls and a handle and partition structure which includes a multi-ply, longitudinal center partition and cross partitions on opposite sides thereof which divide the carrier into upwardly opening bottle receiving cells with the cross partitions being taken from the material forming the longitudinal partition and providing two plies of the blank material between points of bottle contact and with the center partition providing at least two plies of material between pairs of bottles and including a reinforcing panel which is folded upwardly from a hinged connection with a longitudinal partition panel and which is also folded upon itself.

Abstract: A single piece of cardboard stamped to facilitate the folding of same into a container for housing four glasses in spaced relation one from the other. A cardboard blank is disclosed with various fold lines provided therein; a sequenced folding operation produces a container consisting of a double thickness bottom, eight triangularly shaped side walls and a top. Both the top and bottom are provided with four pockets for isolating four glasses one from the other.

Abstract: A carrier made from a one-piece blank comprising when erected a pair of cells with each cell including an end wall. A pair of opposed side walls and a dividing wall opposed to said end wall including handle means therein. Each dividing wall is adjacent and coextensive with a respective dividing wall of the other cell. The bottom walls of each cell are formed by a continuous panel extending from the respective end walls of each cell and a rectangular flap is connected to the bottom edge of at least one side wall in each cell to substantially overlay the bottom wall portion of the cell thereby reinforcing the bottom wall.

Abstract: An article carrier blank comprising a bottom wall, a side wall foldably joined to a side edge of the bottom wall, a pair of end wall panels foldably joined respectively to the end edges of the side wall, a pair of riser panels foldably joined respectively to the end wall panels along the edges thereof remote from the side wall, a locking notch formed in one of the riser panels at one end of the blank, a stabilizing tab integral with the other of the riser panels at the other end of the blank and comprising a heel portion and a toe portion and a notch, the toe portion extending inwardly and the notch opening inwardly with respect to the blank and the heel portion extending outwardly beyond the adjacent end edge of the blank and adapted respectively to nest with the locking notch of an adjacent blank, and a locking aperture formed in the bottom wall.