Abstract: A handling system configured for use with a receptacle having a bottom, sides and a flange. The system has a bail for supporting the receptacle, a guide for guiding the bail, and a stop structure for retaining the bail within the guide. The bail is freely movable within the guide and is movable between two positions. In the first position, the bail extends above the flange in a carrying position. In the second position, the bail extends below the flange in a stowed position. The bail is preferably comprised of two substantially parallel legs connected by a base. The two legs each include a bias structure preferably in the form of a deviation by which the base of the bail is held against an adjacent wall of the receptacle when the bail is in the stowed position. The legs of the bail pass through guide openings in the flange of the receptacle and attach to the stop structure. In the stowed position, the stop structure substantially covers the guide openings in the flange.

Abstract: A trash container (10) includes a base container portion (11) and a cover (12). The base container portion (11) includes a front wall (15), a rear wall (16) and two side walls (13, 14) all extending upwardly from a bottom surface (17) to an upper rim (19) defining an open top (18). The side wall (13) is provided with outboard ribs (24, 25) having inboard beads (26, 27) thereon. The other side wall (14) is provided with inboard ribs (30, 31) having outboard beads (32, 33) thereon. The beads (26, 27) engage the beads (32, 33) of a like container (10A) to attach the container (10) to the like container (10A).The cover (12) has a peripheral rim made up of a front U-shaped ledge (40) and a rear U-shaped ledge (43). A generally horizontal opening (49) is formed within the rear U-shaped ledge (43) and a trash receiving ramp (50) is positioned below the opening (49). A hood (53) extends upwardly from the front U-shaped ledge (40) and defines a second opening (52) which extends partially above the opening (49).

Abstract: A stackable modular unit for a storage structure for flat objects, having two lateral, mutually distanced, wall members to which are attached or with which are integral at least two bottom members and at least one top member. The bottom and top members define supporting and guiding surfaces for the object, the lateral walls are provided with cut-outs in their lower portions, the upper edges of the walls and the cut-outs so configured as to permit, in the stacked state of the units, the nesting of the upper portion of each lateral wall of each unit in the cut-out of the corresponding wall of the next-higher of the stacked units. Any one of the objects, when introduced into, and slid onto the bottom members of, the nth of the stacked units, mechanically joins the nth unit to the (nth-1) unit.

Abstract: For the transport of blank stacks (22) to a packaging machine, there are reusable cassettes (21) which have chambers (23) for receiving a multiplicity of blank stacks (22). The cassettes (21) are filled with the blank stacks (22) in a paper factory and are emptied in the region of the packaging machine. The cassettes (21) are designed so that several emptied cassettes (21) can be nested in one another and returned as a space-saving unit to the paper factory. Furthermore, the cassettes (21) are designed so that they can be transported by overhead conveyors, without any manual labor being involved.

Abstract: A container made up of a box and a lid. Three internal container volumes can electively be obtained in use. Two container volumes are obtainable by different orientations of the lid on the box. The third volume is achieved by use of a second box placed in inverted fashion on the first box, in place of the lid.

Abstract: A mushroom tray comprising a tray portion having opposing sidewalls, opposing end walls and a substantially flat bottom sheet having a parallity of channels formed therein and extending therealong, corrosion-resistant I-beams positioned within the channels for strengthening and stiffening the bottom sheet, and a parallity of clips for securing the I-beams to the underside of the bottom sheet. In a preferred embodiment, the trays include downwardly projecting legs which are shaped enable the trays to be stacked vertically. Also in the preferred embodiment, the trays are made of a polyolefin and the I-beams are made of aluminum. The end walls also preferably include I-beams for re-enforcement; the I-beams are totally enclosed in the end wall structure to minimize exposure to a corrosive atmosphere.

Abstract: A desk organizer or the like includes a plurality of vertically stackable trays having partitions formed therein for storing articles of various sizes and shapes. Each tray has a hollow upright center post which is received within the center post of the tray positioned immediately on top of it. The posts have apertures formed in their distal ends and are so dimensioned that as the organizer is fully assembled each aperture is in closely spaced relation to the respective apertures in the posts of adjacent trays. When it is desired to manually separate particular trays to gain access to certain contents of the organizer, the user may insert the index finger of a single hand into the apertures and grip the desired number of posts, which allows one or more trays to be lifted and separated from the tray to which access is sought. A cover is provided with a knob-like projection having an aperture formed therein so that the cover may be gripped in a manner similar to the manner in which the trays are gripped.

Abstract: An improved multi-level basket especially useful in storing and transporting baked goods is provided which enables similarly configured baskets to be oriented for stacking at three different levels. The multi-level basket hereof offers enhanced strength and stability by the raised rim and lowered base which protect the stacking and nesting members from wear or breakage during use. Complimentary baskets are vertically stacked or nested by placement of the baskets in superposed registry. The baskets are advantageously provided with lugs on their front wall for resisting lateral movement of stacked baskets constructed in accordance with the invention hereof.

Abstract: A platter is adapted when used to support an article above a support and when stored to be nested with a mating platter to minimize the storage space required to store the platters. The platter comprises a member having a planar upper surface adapted to support the article thereon, and a supporting flange depending from the member and having a continuous lower surface lying substantially in a common plane spaced below the plane of the member lower surface. The dimensions of the member and the dimensions of the corresponding member of the mating platter are substantially the same and the dimensions of the flange and the dimensions of the corresponding flange of the mating platter are different such that the platter and the mating platter can be nested for storage.

Abstract: A set of containers, preferably graduated and conveniently ranging in size generally from 1/2 pint to 1 gallon, each having a lid that may be placed on top to seal its respective, container and also may be matingly attached to the bottom in order that a smaller container with lid attached may be nested in the next larger container for convenient storage without loss or misplacing the lid. The lid attached to the bottom is configured to provide a uniform space between the vertical sides and the bottoms of nested containers so that two nested containers may provide a double walled container with an air gap acting as thermal insulation. Each lid may have a rim with a scalloped outside surface to prevent trapping of air in the nested position that could otherwise impede removal of the container and its lid from a larger container. A flange or downturned lip may be provided adjacent the upper rim of the container to assist in supporting a smaller inner container or a larger in a spaced relationship.

Abstract: A stackable and nestable tray for shipping of weather stripping. The tray has a central weight bearing hub which also acts as a stop to pervent weather stripping which is coiled about the hub from shifting in a manner which would damage the weather strip. The tray has a generally rounded body portion which has a bottom wall and an upstanding side wall. A series of radially inwardly extending step-like protrusion are formed on the side wall with corresponding inwardly extending indentations on the opposite side of the side wall. The hub portion is hollow and includes a series of hollow radially outwardly extending protrusions with surfaces extending between the corresponding outwardly extending indentations in the hollow underside. The trays will stack one upon another in a first position and will nest into each other for return shipping when rotated to a second position.

Abstract: An improved, plastic-coated wire bin arrangement is disclosed which greatly facilitates convenient and versatile use of the bin. The bin comprises a plurality of interconnected first and second members which generally define the bottom, sides, front and back of the bin. The bin further includes receiving recesses, and protruding support members which readily permit stacking of more than one bin. A gap between the front wall and side walls allows the front wall to be more flexible. The flexible front wall, recesses and support members, are configured to permit substantial nesting of a plurality of bins in an easy, convenient and compact manner. Accordingly, separation of nested bins is also convenient and simple.

Abstract: An open-front, two-level stacking container which may incorporate a tray removable through the open front of a stacked container is provided with a web and slot interlocking arrangement for positively interlocking two stacked containers against front-rear movement relative to each other. Transverse webs in recesses in the stacking feet of one container are received in locking slots in the support shelves of the underlying container and so arranged that the upper container may be slid rearwardly of the lower container to a positively interlocked upper or lower stacked relationship.

Abstract: A nesting and stacking storage container is disclosed. The storage container has two opposing end walls, two opposing side walls disposed between the end walls, and a generally rectangular bottom joining the end walls and the side walls. A handle device is disposed on both end walls and a securing device is mounted on the handle device to secure two storage containers top to top. The storage container also includes feet disposed at each corner on the outer surface of the bottom of the container to facilitate mounting containers top to bottom and to securely fasten two containers bottom to bottom. The feet prevent relative lateral movement between two containers.

Abstract: A modular storage system is made from at least two stackable storage receptacles of one-piece molded plastic construction. Each receptacle has a plurality of T-shaped locking tabs formed integrally with the basket. Each tab is adapted to pivot from an as-molded position to a position in which it releaseably engages an overhead receptacle, as well as to a position in which it releaseably engages an adjacent receptacle.

Abstract: A multi-level stacking/nesting tray is disclosed in which the trays are configured to permit multi-level stacking through an interlocking stacking leg/slot configuration. A plurality of slots are formed at an angle from the vertical and are disposed in groups in two end locations of two opposing end walls of the tray. The slots in a selected group have progressively lower terminating points to thus permit varying levels of stacking/nesting. The slots are also configured so that the terminating point of each of the slots with a group lies along the same vertical line. Stacking legs are disposed on the exterior surface of the end walls of the tray at the location of the slots and are appropriately angled so as to permit insertion of the legs of a first tray into the corresponding slots of a second tray positioned below the first tray. By proper selection of a particular slot having the desired terminating point, various levels of stacking may be obtained.

Abstract: A molded plastic and metal case is provided which is designed to be stackable with other cases of the same construction to provide a sturdy display of the products contained therein and which is also nestable with other like cases to provide compact storage of empty cases. The display case is formed primarily of molded plastic and includes two upstanding metal frames on either side which form handles for carrying the case. Along the inside bottom of the case is a metal ring which is welded to the upstanding metal frames. The upper portion of each handle forms a stacking ledge which is received within a channel positioned adjacent and parallel to the side edges along the underside of each case, thus allowing the cases to be securely stacked. Adjacent each channel is a parallel slot which extends through the underside of each case and is used for nesting empty cases. The slot is designed to receive the frames of the next two lower cases thereby permitting a nesting ratio of 3:1 or greater.

Abstract: A barrel for holding, handling, or storing large quantities of bulk material such as meat and other food products features a seamless, one-piece plastic construction with integrally formed recessed handles for lifting or moving the barrel and integrally formed gussets to strengthen the barrel, and with nesting stop surfaces for nesting empty barrels, and with stacking surfaces and a lid for stacking filled barrels.

Abstract: A rectangular or square stackable plastic carrier, more particularly a plastic crate, comprises a support bottom part 1 formed of a bottom 2 with an upright edge 3 at its periphery.Corner columns 4 are able to fit at their top end and bottom end respectively, into the bottom and top side of a carrier disposed thereon and therebeneath.The length H of the corner columns is a multiple of the height h of the bottom part 1.The external distance L.sub.1 between two opposite set-back sides 5 of the bottom part 1 is substantially equal to or less than the internal distance L.sub.2 between two corner columns measured between the same opposite set-back sides 5, said set-back sides being provided with a handle 6. The set-back part 5 corresponds to the transverse dimension of a corner column. In the space between two corner columns 4 and the set-back part 5 free ends of corner columns of a carrier being therebeneath in a staggered relationship, may be received.

Abstract: There is disclosed a one piece synthetic resin molded bakery tray, without moving parts and without any additional parts, that can be stackable at a plurality of levels, and preferably nestable due to top to bottom functional symmetry. Substantial or even identical symmetry may be provided. Such symmetry may also be with respect to rotation of the tray about a central vertical axis. Interlocking portions are provided symmetrically on the top and bottom edges of high side walls, and a bakery product support partition is provided at a midplane of the walls. Stacking ledges may be provided at an intermediate height from the partition on each high wall for cooperating with the interlocking portions to provide an intermediate stacking position. Complementary interlocking portions may be provided on each surface of the partition adjacent each high side wall for cooperation with interlocking portions of the high side walls to obtain a low stacking position. Identical trays may be rotated 90.degree.

Abstract: A three-level stacking container is formed with uniformly spaced openings extending downwardly from the upper edge of each of two opposed sidewalls of the container. The sidewalls take the form of a relatively thin planar web in which the openings are formed and each web is formed with three horizontal, vertically spaced shelves projecting forwardly from the rear edge of each opening. Stacking feet on the outer side of the web may be supported on a selected set of one of the three sets of shelves on an underlying like container, access to the two lower shelves being achieved by passing the feet of the upper container downwardly in the openings forwardly of the shelves. The lowermost of the three shelves constitutes the bottom edge of the opening and the front end of the next uppermost shelf projects forwardly beyond the front end of the uppermost of the three shelves.

Abstract: A four-walled, open-topped container having a lid is disclosed in which the lid is insertable into the container for storage along and against one wall of the container. The lid for the container is generally planar and has a trapezoidal shape and the four walls of the container are generally planar, are interconnected, and are joined to a bottom. A rim for engaging the lid is defined by the upper ends of the four walls. The rim is trapezoidal in shape to conform to the lid and has long and short parallel opposed sides and two converging opposed sides. The four walls converge inwardly from the rim to the bottom to a sufficient degree to permit a container to nest within a like container. In addition, the convergence of the walls which define the opposed converging sides of the rim is appropriate to permit the lid to be inserted into the container along and against the wall defining the long parallel side of the rim.

Abstract: A stackable container for transporting, storing and displaying bakery goods, and other products, and which may be stacked on top of like containers at different stacking levels for accommodating products of different heights, and to nest together when empty. The container includes sloping, stacking lugs and stacking feet, so that the container will slide into its properly aligned stacked position over a like container when stacked at various stacking levels over the lower container. The container is also constructed to be locked in place when stacked over a lower container to prevent it from becoming disengaged from the stack during transportation or rough handling.

Abstract: A nestable/stackable container for transporting, storing and displaying bakery goods, and other products, which may be stacked on top of like containers at different stacking levels for accommodating products of different heights, and which may be nested down into like containers when empty, all of the above being accomplished without any need to rotate the individual containers.

Abstract: A nestable/stackable basket/tray combination container for transporting, storing and displaying bakery goods, and other products, which may be stacked on top of like basket/tray combination containers at different stacking levels for accommodating products of different heights, and which may be nested down into one another when empty. The trays are slidable out of the open front of the baskets for examination and/or replenishment of the products, or so that the trays alone may be loaded on route trucks equipped with rails for supporting the trays.

Abstract: A molded bucket comprises a bucket lip defining an enlarged annular projection at the mouth of the bucket; an inwardly positioned annular shelf facing the mouth adjacent the lip; and an outwardly positioned annular flange joined to said bucket adjacent the annular shelf to provide extra hoop strength to the area of the shelf. The lid for the bucket defines an annular recess receiving the annular projection of the bucket lip in locking relation and an annular straight wall which extends radially inwardly from the recess, at an angle of essentially 10.degree. to 60.degree. from the axis of the bucket, with the inner edge extending outwardly toward the mouth relative to the outer edge. The angled annular straight wall serves as a cantilever beam to transmit stacking force to the annular shelf, so that the bucket does not distort or collapse under conditions of high stacking, the bucket being preferably a tapered bucket.

Abstract: The device for handling articles in the form of sheets such as windshields comprises a floor of trapezoidal shape for receiving a stack of sheets, a bearing member and two side-panels which are outwardly divergent from a rear framework. Empty containers can therefore form a nested assembly for return transportation. In order to facilitate nesting, the metallic lining plates of the side-panels are upwardly divergent. A recess is formed in the floor in order to house the bearing member of the empty container to be nested therein.

Abstract: An integrally-formed plastic basket, moldable in a two-piece injection mold, combines light weight, strength, and large carrying capacity. Thin side walls with a draft no greater than 3.degree. are formed with overlapping cross-members. Between a pair of unslotted, substantially planar cross-members is a slotted, corrugated cross-member. Interior slots are formed by the core die of the injection mold, while exterior slots are formed by the cavity die.

Abstract: A stacking and nesting bin of generally rectangular configuration having back, bottom and tapered side walls which define a top opening and a front opening. The bin includes spacing means which are effective, when the bin is nested within a second bin to maintain the corresponding walls of the nested bins separated. The bin also includes retaining means which enable the bin to be stacked and retained on a second bin.

Abstract: The invention relates to a box for transporting and selling eggs in fixed amounts, said box comprising a bottom part and a cover part and being provided with standing elements adjoining the bottom part of the box for separately supporting each egg, said boxes being interengageable and nestable in a direction perpendicular to their bottoms in the empty and tilted-up state. According to the invention the standing walls of the bottom part and those of the cover part are at least substantially flat and are tapering from their basic surfaces downwards and upwards respectively.

Abstract: A key lock for nestable/stackable plastic receptacles for use, for example, in the bakery industry, so that the receptacles are not interchangeable between competing bakeries. The key lock takes the form of a molded projection and mating slot in one or more of the interacting lugs of the receptacles at positions which vary from one bakery's receptacles to another.

Abstract: A stackable tray includes a generally planar tray bottom and a pair of opposed side walls extending upwardly therefrom. A pair of rails extend downwardly from the bottom and lie generally below the side walls. Ridges are provided at the bottom of the rails and slots and support edges are provided adjacent the side walls to permit the trays to be stacked in a variety of configurations. The H-design of the trays of the present invention improves stacking and stability characteristics.

Abstract: A square nesting and stacking container wherein each wall of the container has a plurality of feet near the bottom of the container and a plurality of saddles near the top of the container. The saddles are located directly above the feet so that the feet will engage the saddles of a similarly oriented container of identical construction and support the same in a stacked relationship. There are clearances between the saddles so that when one container is turned 90.degree. with respect to another, it may be lowered into a nested relationship with the latter without interference because the feet will enter and pass through the clearances of the lower container.

Abstract: A receptacle which may be tiered or stacked with other like receptacles and adapted to be nested when empty. Each receptacle in the tier or stack is intended to hold food products that are to be placed in a smoke house for cooking with the weight of each receptacle being supported by the product in the next lower receptacle in the stack and thus serving as a press to compress the product in said lower receptacle until such time as the product shrinks through the cooking process to a predetermined height. When the product is reduced to this predetermined height, each receptacle seats upon and rests upon the next lower receptacle in the stack to prevent further transmission of the product load and thus stops the pressing action at the predetermined height. Each receptacle is of unique design whereby it may be used to accommodate two alternate heights of smoked food product.

Abstract: A three-level stack and nest container is provided with a row of outwardly projecting stacking feet along the lower edges of a pair of opposed end walls. Three stacking foot receiving seats are formed at the inner side of each end wall at different elevations in vertical alignment with each stacking foot so that two containers may be stacked or nested with the upper container at a high, intermediate or low elevation relative to the lower container depending upon which set of seats of the lower container are engaged by the feet of the upper container. Each vertically aligned group of seats includes recesses in the inner side of the end wall extending downwardly at opposite sides of the uppermost of the three seats. One recess will guide a stacking foot to the intermediate seat, the other recess will guide a stacking foot to the lower of the three seats.

Abstract: A stackable/nestable/dividable storage bin has an angled stacking tongue at its upper rear edge and a closed-end stacking channel at its lower rear edge. These are engageable with corresponding elements of like bins above or below so that two or more bins can be stacked, with the engagement of a tongue in a channel serving to limit relative vertical, longitudinal and lateral movement, and with lower side wall corners of an upper bin being received in rear wall notches of a lower bin for vertical positioning and added lateral support. The bin also has divider slots that extend behind and through stepped side wall portions to receive L flanges on the edges of a divider plate. Partially unsupported side wall portions serve as resilient lock tabs that bear against the divider flanges, and outer bosses that enclose the slots also serve as nesting stops engageable with the side wall steps of a lower bin.

Abstract: A container adapted to nest and tier with like containers, with the container having a bottom wall and side walls extending upwardly from the bottom wall and terminating in a top edge extending around the container, and with there being provided tiering means projecting laterally of the ends of the container for tiering the container on the top edge of a like container with at least a portion of the ends of the container being open, and with one container being adapted to be entered into the first container in a tilted position so that the tiering means on the entering container passes through one of the open ends and beneath the overlying upper edge of the receiving container, and then the entering container is moved generally vertically downwardly into nested relation into the receiving container.

Abstract: A plastic receptacle or basket is provided for transporting, storing and displaying bakery, and other products, and which may be stacked on top of other like receptacles at three different levels. The receptacle of the invention is constructed so that it may be stacked on another like receptacle at a first and a second stacking level without any need to slide or rotate the receptacles with respect to one another so that the receptacles may be conveniently stacked at the bakery manually or by simple mechanical means, or in the route trucks where space is at a premium. In addition, the receptacles may be stacked at a third stacking level, if so desired, by rotating the receptacles 180.degree. with respect to one another from position of first and second stacking levels.

Abstract: The present invention relates to stackable crate assemblies for use in plant cultivation and transportation, each crate assembly including a latticed bottom member, a pair of side walls and a pair of end walls, respectively. Supporting legs and support protrusions extend in spaced relationship from each side wall. At least one and preferably both end walls connected to the bottom member by hinged joints to facilitate loading and unloading of the crates.

Abstract: A multi-position container adapted to nest within a like-oriented lower container of like construction, and also adapted to stack on a said lower container in a "high-stack" position without rotating the upper container with respect to the lower container. In a preferred embodiment a said upper container can also be stacked within a said lower container at an "intermediate-stack" position without rotating the upper container with respect to the lower container. Thus, in the preferred embodiments, a three-position container is provided. In yet another embodiment an upper container can be stacked on a lower container in a high-stack position and in an intermediate-stack position, which also becomes the nest position in this embodiment.

Abstract: A receptacle is provided for transporting, storing and displaying bakery, and other products. The receptacle is constructed so that it may be stacked on or nested into other like receptacles without any need to slide or rotate the receptacles with respect to one another; so that the receptacles may be conveniently stacked by automatic equipment at the bakery, and stacked or nested on route trucks where space is at a premium.

Abstract: A wire member container is disclosed, comprising a generally rectangular and planar base, opposite side walls and opposite ends. The base is provided with an inner transverse end member at each end and an outer transverse end member which is spaced slightly above the inner end member. The base is formed of a plurality of parallel spaced-apart ribs, whose ends are secured horizontally to the inner end member at each end, and a plurality of parallel, spaced-apart cross-members. The ends of the latter turn upwardly on each side to form the side wall ribs. These are rigidly interconnected at their upper portions by a pair of vertically spaced-apart horizontal rib members. The lower one of these rib members is bent upwardly at its central portion to form a handle on each side of the container. Means are provided to both stack and nest several containers together.

Abstract: A lightweight, tough and durable bottle carrier is molded as a unit from high density plastics, is nestable with like carriers, and is stackable in two orthogonal directions with like carriers. The carrier has a central lifting handle flush with the top edge thereof and has plural discrete bottle cells in two rows on opposite sides of the handle. End stacking projections and cross stacking recesses are provided at the bottom of the carrier as well as individual bottle centering elements. Convenience and high versatility are featured. The carrier may be received in shallow or full depth, open or pocketed, cases.

Abstract: A laundry cart for use by an inhabitant of a high rise apartment dwelling served by passenger elevators comprising a plurality of nesting hampers having a lower hamper moveable in a horizontal plane by wheels or casters fixed to a bottom of said lower hamper. The cart is manipulated by a vertical pole-handle removeably situate in a socket means attached to the outside of a vertical end wall of one of the hampers. The upper hampers have clamps fixed to their top edges for clasping the pole and thereby preventing the loaded hamper from overbalancing when the cart is moved.

Abstract: To provide security of attachment, between one container and another similar container adapted to be stacked on the top of the first container, each container has a keeper slot in one or more of its side walls adjacent the container floor and a spring leaf at the top of the container which may be bowed into either one of two stable positions. In one of these positions the leaf of one container registers with and locks within the keeper slot of a second similar container poised above the first container, and when the leaf is in the other of its stable positions it is disengaged from the keeper slot.

Abstract: A three-position stacking tray having a series of angled ribs on each side of the tray which comprise the tray's sidewalls. Each sidewall's ribs are all parallel one to the other, are of identical structure and size, and are all in a common vertical plane relative to the floor. The angled ribs of one sidewall are disposed in mirror relation with the angled ribs of the other sidewall as to orientation and position. Each rib of each sidewall's angled ribs, on the same side edges thereof and intermediate the top and bottom ends thereof, is provided with a notched middle seat adapted to cooperate with a top seat on an opposite sidewall rib's top end when the trays are reverse oriented. In the intermediate stack position, and with upper and lower trays reverse oriented, the top end seats of the lower tray's angled ribs engage the notched middle seats defined in the upper tray's angled ribs.

Abstract: A deck container restraint system is disclosed which unitizes discrete containers against vertical movement in modules of three-wide, typically four-high stacks or columns to prevent overboard loss due to static and dynamic load conditions experienced at sea. A three-wide, one-high bottom tier of containers is secured against side to side and vertical movement by deck cones having locking devices. The overlying three-wide second tier is secured against side to side and vertical movement by cones having locking devices at the top of the first tier. Finally the three-wide, two-high top third and fourth tiers of containers are loaded, first by being tied vertically together by cones having locking devices and second, by being lifted in vertically tied pairs onto stacking fittings at the second-third tier interface. The stacking fittings restrain side to side movement at the second-third tier interface only.

Abstract: A container adapted to either stack or nest with another similarly oriented container of identical construction. The container has a plurality of feet along each side adjacent the bottom. The container side walls each have a lower section and an upper section spaced outwardly from the lower section and joined thereto by a ledge providing nesting saddles directly above the feet. The container also has a plurality of stacking saddles along the upper edge of each side wall likewise postioned directly above the feet. There are inclined ridges in the upper and lower sections of each side wall which guide the container down to a nested position within a lower container of identical construction.

Abstract: A plastic closure with a U-shaped rim surrounding a closure portion, an upper wall of the rim extending both upwardly and downwardly from the closure portion and flaring outwardly away from the closure portion. The upper end of the inner wall joins into the base of the `U` shape and the lower end is resiliently flexible. When fitted to a container, upper and lower ends of the inner wall seal against the lip and inner surface of the wall of the container, resiliency of the inner wall of the closure ensuring its sealing engagement with the container wall.

Abstract: A stackable plastics pallet for packaging semiconductor discs on a gas-ti foil covering, said pallet having a plurality of circular depressions each for accommodating a semiconductor disc, and means for securing the discs between the pallets, the securing means being in the form of sloping part-sector shaped surfaces surrounding said depressions, with two opposite sets of sloping surfaces clamping the semiconductor discs at their outermost rims and immobilizing them thereby.