CN101360656A

CN101360656A - Polymeric container assembly with stackable features

Info

Publication number: CN101360656A
Application number: CNA2006800516428A
Authority: CN
Inventors: J·S·布利瑟; D·A·莱曼
Original assignee: Pactiv LLC
Current assignee: Pactiv LLC
Priority date: 2005-11-23
Filing date: 2006-11-22
Publication date: 2009-02-04

Abstract

A generally circular container is disclosed. The container comprises a continuous body portion. The container further comprises a rim encompassing and projecting laterally outwardly from the body portion. The container further comprises a first feature projecting generally upwardly from the rim. The container further comprises a corresponding second feature positioned on the rim. The container further comprises a stacking feature formed on the body portion opposite the rim. The stacking feature extends substantially along the circumference of the container. The container is adapted to be stacked with a second container, the second container being inverted relative to the first container, by engaging the stacking feature of the container with a second stacking feature of the second container to prevent or inhibit lateral movement of the container relative to the second container.

Description

Polymeric container assembly with stackable features

Invention field

[0001] the present invention relates generally to container.More particularly, the present invention relates to have the polymeric container assembly of stackable features.

Background of invention

[0002] use the container of low-cost poly-mer, paper or mental package to become very universal, in particular for preparation with store various different food products.Poly-mer, paper and can generally are used to heat the food that is placed on wherein.These containers generally include lid or cap and substrate, and described lid and substrate form a container assemblies when using together.

[0003] some container assemblies are usually stacked.Stacked container assemblies makes the customer can once carry or store the several vessels assembly.If container as container assemblies transportation with store, has then stackedly been reduced required space, can significantly reduce like this and transportation and/or reservoir vessel assembly cost related.Ideal situation is to prevent or forbid moving or sliding between the adjacent stacked container assemblies in addition, describedly thisly moves or slides and may cause the food slippage that is stored in it potentially.

[0004] therefore, ideal situation is to have a kind of container assemblies, and described container assemblies is stacked effectively, so that reduction and transportation and reservoir vessel assembly cost related.Ideal situation is in addition, prevents or forbids moving or sliding between the adjacent container assemblies.

The invention summary

[0005] according to one embodiment of the present of invention, a kind of container assemblies is disclosed.Container assemblies comprises that first generally is circular container, and described first container comprises the first continuous base portion and first edge.First surrounded by edges, first base portion, and protruding on the described first base portion side direction.First edge has generally by its first structure that protrudes upward and corresponding second structure.It generally is on the opposite end of first container that first schuppen structure and first edge are positioned at.Container assemblies comprises that also second generally is circular container, and described second container comprises the second continuous base portion and second edge.Second surrounded by edges, second base portion, and protruding on the described second base portion side direction.Second edge has generally by its 3rd structure and corresponding the 4th structure that protrudes upward.Second base portion forms second schuppen structure thereon.It generally is on the opposite end of second container that second schuppen structure and second edge are positioned at.First edge and second edge are substantially the same.But first container and second container are bonded with each other by releasable in second structure that the 3rd structure that upwards stretches out is assembled to first container by the 4th structure neutralization that first structure that protrudes upward is assembled to second container.The first and second stacked structures are basically along the circumferential extension of corresponding first and second containers.Container assemblies is adapted to pass through the first stacked structure that makes container assemblies and engages with second of the second container assemblies stacked structure and be stacked on second container assemblies, so that prevent or forbid the sideway movement of container assemblies with respect to second container assemblies.

[0006] according to an alternative embodiment of the invention, a kind of container assemblies is disclosed.Container assemblies comprises that first generally is the polygon container, and the described first polygon container comprises the first continuous base portion and first edge.First surrounded by edges, first base portion, and stretch out from the described first base portion side direction.First edge has generally by its first structure that protrudes upward and corresponding second structure.First base portion forms first schuppen structure thereon.It generally is on the opposite end of first container that first schuppen structure and first edge are positioned at.Container assemblies comprises that also second generally is polygonal container, and the described second polygon container comprises the second container body partial sum, second edge.Second surrounded by edges, second base portion, and protruding on the described second base portion side direction.Second edge has generally by its 3rd structure and corresponding the 4th structure that protrudes upward.Second base portion forms second schuppen structure thereon.It generally is on the opposite end of second container that second schuppen structure and second edge are positioned at.First edge and second edge are substantially the same.But first container and second container are bonded with each other by releasable in second structure that the 3rd structure that upwards stretches out is assembled to first container by the 4th structure neutralization that first structure that protrudes upward is assembled to second container.First and second schuppen structures extend along at least two sides of corresponding first and second containers basically.Container assemblies is adapted to pass through first schuppen structure that makes container assemblies and engages with second schuppen structure of second container assemblies and be stacked on second container assemblies, so that prevent or forbid the sideway movement of container assemblies with respect to second container assemblies.

[0007] according to an alternative embodiment of the invention, a kind of method of stacked container assemblies is disclosed.Method comprises provides first generally to be the action of bulge assembly, and described first container assemblies comprises that first container and second generally is circular container.First container has the first continuous base portion and first edge.First surrounded by edges, first base portion, and protruding on the described first base portion side direction.First edge has generally by its structure that protrudes upward and corresponding second structure.First base portion forms first schuppen structure thereon.First schuppen structure is basically along the circumferential extension of first container.It generally is on the opposite end of first container that first schuppen structure and first edge are positioned at.Second container comprises the second continuous base portion and second edge.Second surrounded by edges, second base portion, and protruding on the described second base portion side direction.Second edge has generally by its 3rd structure and corresponding the 4th structure that protrudes upward.Second base portion forms second schuppen structure thereon.Second schuppen structure is basically along the circumferential extension of second container.It generally is on the opposite end of second container that second schuppen structure and second edge are positioned at.First edge and second edge are substantially the same.But first container and second container are bonded with each other by releasable in second structure that the 3rd structure that upwards stretches out is assembled to first container by the 4th structure neutralization that first structure that protrudes upward is assembled to second container.Method also comprises the action that second container assemblies is provided, and described second container assemblies comprises it generally being that circular the 3rd container and the 4th generally is circular container.The 3rd container has the 3rd continuous base portion and the 3rd edge.The 3rd surrounded by edges the 3rd base portion, and protruding on described the 3rd base portion side direction.The 3rd edge has generally by its outwardly directed the 5th structure and corresponding the 6th structure.The 3rd base portion forms the 3rd stacked structure thereon.The 3rd stacked structure is basically along the circumferential extension of the 3rd container.It generally is on the opposite end of the 3rd container that the 3rd stacked structure and the 3rd edge are positioned at.The 4th container comprises the 4th continuous base portion and the 4th edge.The 4th surrounded by edges the 4th base portion, and protruding on described the 4th base portion side direction.The 4th edge has generally by its 7th structure and corresponding the 8th structure that protrudes upward.The 4th base portion forms the 4th schuppen structure thereon.The 4th schuppen structure extends along the periphery of the 4th container basically.It generally is on the opposite end of the 4th container that the 4th schuppen structure and the 4th edge are positioned at.The 3rd edge and the 4th edge are substantially the same.But the 3rd container and the 4th container are bonded with each other by releasable in the 7th structure that the 6th structure that protrudes upward is assembled to the 3rd container by the 8th structure neutralization that the 5th structure that protrudes upward is assembled to the 4th container.Method also comprises like this action with first container assemblies and second container assemblies location, so that the second and the 3rd container is adjacent one another are.Method also comprises the action that first schuppen structure with first container assemblies engages with the 4th schuppen structure of second container, so that prevent or forbid the sideway movement of first container assemblies with respect to second container assemblies.

[0008] according to an alternative embodiment of the invention, a kind of method of stacked container assemblies is disclosed.Method comprises provides first generally to be the action of polygon container assemblies, and the described first polygon container assemblies comprises that first container and second generally is polygonal container.First container has the first continuous base portion and first edge.First edge comprises first base portion, and protruding on the described first base portion side direction.First edge has generally by its first structure that protrudes upward and corresponding second structure.First base portion forms first schuppen structure thereon.First schuppen structure extends along at least two sides of first container basically.It generally is on the opposite end of first container that first schuppen structure and first edge are positioned at.Second container comprises the second continuous base portion and second edge.Second surrounded by edges, second base portion, and protruding on the described second base portion side direction.Second edge has generally by its 3rd structure and corresponding the 4th structure that protrudes upward.Second base portion forms second schuppen structure thereon.Second schuppen structure extends along at least two sides of second container basically.It generally is on the opposite end of second container that second schuppen structure and second edge are positioned at.First edge and second edge are substantially the same.Releasable is bonded with each other in second structure of first container but first container and second container are assembled to by the 3rd structure that upwards stretches out by the 4th structure neutralization that first structure that protrudes upward is assembled to second container.Method also comprises the action that second container assemblies is provided.Second container assemblies comprises it generally being that polygonal the 3rd container and the 4th generally is polygonal container.The 3rd container has the 3rd continuous base portion and the 3rd edge.The 3rd surrounded by edges the 3rd base portion, and protruding on described the 3rd base portion side direction.Third part has generally by its 5th structure and corresponding the 6th structure that protrudes upward.The 3rd base portion forms the 3rd stacked structure thereon.The 3rd stacked structure extends along at least two sides of container basically.It generally is on the opposite end of the 3rd container that the 3rd stacked structure and the 3rd edge are positioned at.The 4th container comprises the 4th continuous base portion and the 4th edge.The 4th surrounded by edges the 4th base portion, and protruding on described the 4th base portion side direction.The 4th edge has generally by its 7th structure and corresponding the 8th structure that protrudes upward.The 4th base portion forms the 4th schuppen structure thereon.The 4th schuppen structure extends along at least two sides of the 4th container basically.It generally is on the opposite end of the 4th container that the 4th schuppen structure and the 4th edge are positioned at.The 3rd edge and the 4th edge equate basically.But the 3rd container and the 4th container are bonded with each other by releasable in the 7th structure that the 6th structure that makes progress is assembled to the 3rd container by the 8th structure neutralization that the 5th structure that protrudes upward is assembled to the 4th container.Method also comprises like this action that first container assemblies and second container assemblies are engaged, so that the second and the 3rd container is adjacent one another are.Method also comprises the action that first schuppen structure that makes first container assemblies engages with the 4th schuppen structure of second container assemblies, so that prevent or forbid the sideway movement of first container assemblies with respect to second container assemblies.

[0009] according to an alternative embodiment of the invention, a kind of method of stacked container assemblies is disclosed.Method comprises provides first generally to be the action of bulge assembly, and described first container assemblies comprises that first generally is that circular container and second generally is circular container.First container has the first continuous base portion and first edge.First surrounded by edges, first base portion, and protruding on the described first base portion side direction.First edge has generally by its first structure that protrudes upward and corresponding second structure.First base portion forms first schuppen structure thereon.First schuppen structure is prolonging the circumferential extension of first container basically.It generally is on the opposite end of container that first schuppen structure and first edge are positioned at.Second container comprises the second continuous base portion and second edge.Second surrounded by edges, second base portion, and stretch out from the described second base portion side direction.Second edge has generally by its 3rd structure and corresponding the 4th structure that protrudes upward.Second base portion forms second schuppen structure thereon.Second schuppen structure is basically along the circumferential extension of second container.It generally is on the opposite end of second container that second schuppen structure and second edge are positioned at.First edge and second edge are substantially the same.But first container and second container are bonded with each other by releasable in second structure that the 3rd structure that upwards stretches out is assembled to first container by the 4th structure neutralization that first structure that protrudes upward is assembled to second container.Method also comprises the action that second container assemblies is provided, and described second container assemblies comprises it generally being that polygonal the 3rd container and the 4th generally is polygonal container.The 3rd container has the 3rd continuous base portion and the 3rd edge.The 3rd surrounded by edges the 3rd base portion, and protruding on described the 3rd base portion side direction.The 3rd edge has generally by its 5th structure and corresponding the 6th structure that protrudes upward.The 3rd base portion forms the 3rd stacked structure thereon.The 3rd stacked structure extends along at least two sides of the 3rd container basically.It generally is on the opposite end of the 3rd container that the 3rd stacked structure and the 3rd edge are positioned at.The 4th container comprises the 4th continuous container body and the 4th edge.The 4th surrounded by edges the 4th base portion, and protruding on described the 4th base portion side direction.The 4th edge has the 7th structure and corresponding the 8th structure that is protruded upward by it.The 4th base portion forms the 4th schuppen structure thereon.The 4th schuppen structure extends along at least two sides of the 4th container basically.It generally is on the opposite end of the 4th container that the 4th schuppen structure and the 4th edge are positioned at.The 3rd edge and the 4th edge are substantially the same.But the 3rd container and the 4th container are bonded with each other by releasable in the 7th structure that the 6th structure that protrudes upward is assembled to the 3rd container by the 8th structure neutralization that the 5th structure that protrudes upward is assembled to the 4th container.Method also comprises like this action with first container assemblies and second container assemblies location, so that the second and the 3rd container is adjacent one another are.Method also comprises the action that first schuppen structure with first container assemblies engages with the 4th schuppen structure of second container assemblies, so that prevent or forbid the sideway movement of first container body with respect to second container body.

[0010] according to an alternative embodiment of the invention, disclosing a kind of generally is circular container.Container comprises continuous base portion.Container also comprises the edge, described surrounded by edges base portion, and protruding on the described base portion side direction.Container also comprises first structure, and described first structure generally protrudes upward from the edge.Container also comprises a schuppen structure, and described schuppen structure forms on the base portion relative with the edge.Schuppen structure is basically along the circumferential extension of container.Container is suitable for second container stacked, and second container is with respect to first container upside down, and the schuppen structure by container engages with second schuppen structure of second container, so that prevent or forbid the sideway movement of container with respect to second container.

[0011] according to an alternative embodiment of the invention, disclosing a kind of generally is polygonal container.Container comprises continuous base portion.Container also comprises an edge, described surrounded by edges base portion, and protruding on the described base portion side direction.Container also comprises first structure, and described first structure generally protrudes upward from the edge.Container also comprises corresponding second structure, and described second structure is arranged on the edge.Schuppen structure extends along at least two sides of container basically.Container is suitable for second container stacked, and second container engages with second schuppen structure of second container by the schuppen structure with container with respect to first container upside down, so that prevent or forbid the sideway movement of container with respect to second container.

[0012] each embodiment of the present invention or every kind of situation do not planned to represent in the summary of the invention described above.Other characteristics of the present invention and benefit will be apparent from detailed description described below and accompanying drawing.

Brief description

[0013] Fig. 1 a is a lateral plan for the treatment of first container that uses in the described container assemblies according to one embodiment of the present of invention.

[0014] Fig. 1 b is the backplan of first container of 1a.

[0015] Fig. 2 a is the top view for the treatment of have the container of rib and groove as the modular container assembly of stating according to an embodiment.

[0016] Fig. 2 b is the cutaway view that the container of Fig. 2 a is got the hatching 2b-2b of general Fig. 2 a.

[0017] Fig. 2 c is the lateral plan that utilizes the container of Fig. 2 a-b and the container assemblies of second container that has identical rib and groove structure basically.

[0018] Fig. 3 is a backplan for the treatment of second container that uses in according to container assemblies of the present invention.

[0019] Fig. 4 is the bottom perspective view that has according to the container of the described schuppen structure of the 3rd embodiment of the present invention.

[0020] Fig. 5 a is the lateral plan that has according to the container of the described schuppen structure of the fourth embodiment of the present invention.

[0021] Fig. 5 b is the backplan of the container of Fig. 5 a.

[0022] Fig. 6 is the bottom perspective view that has according to the container of the described schuppen structure of the fifth embodiment of the present invention.

[0023] Fig. 7 is the bottom perspective view that has according to the container of the described schuppen structure of the sixth embodiment of the present invention.

[0024] Fig. 8 is the bottom perspective view that has according to the container of the described schuppen structure of the seventh embodiment of the present invention.

[0025] Fig. 9 is to use Fig. 1 a, the lateral plan of the container assemblies of b and 3 container.

[0026] Figure 10 is a structure decomposition side view for the treatment of first and second containers that use when forming the container assemblies of Fig. 9.

[0027] Figure 11 is the container assemblies of the container assemblies of Fig. 9 and the second substantially the same Fig. 9 lateral plan when being in stowed position.

The illustrated embodiment explanation

[0028] referring to Fig. 1 a, b, Fig. 1 a, b illustrate the container (such as first container 10) that uses in one embodiment of the invention.Although the container of Shi Yonging is a bowl (bowls) in the embodiment shown, also it is contemplated that the container assemblies that to make other.For example, can but be not limited to plate class, bowl class, video disc subclass, bucket class, disposable and family's consumption container class, disposable and family's consumption baking tray, and they be combined to form container assemblies.A kind of such combination is that bowl and plate form container assemblies.A container and a container assemblies that all the other accompanying drawings will be will illustrate relevant with bowl, but those of ordinary skill in the art will understand that, other container assemblies such as above-mentioned those also can form.

[0029] without departing from the scope of the invention, the height of container can be different with shape with graphic the sort of height with shape.For example, to be depicted as generally be circle or rectangle to the container of illustrated embodiment.It is contemplated that container assemblies used herein and container can be other shape such as square, hexagon, octagon, other polygonal shape or ellipses.

[0030] container assemblies of the present invention normally uses food, but also can other application such as medical application, cosmetics or other project in use.Food container assemblies can be used for food portioning (serving), storage, preparation and/or heating again.

[0031] return a referring to Fig. 1, b, first container 10 comprise continuous base portion 12 and continuous edge 14, and described continuous edge 14 surrounds base portions 12, and protruding on base portion 12 side direction.Base portion 12 comprises bottom 16 and continuous sidewall 18, and above-mentioned bottom 16 has schuppen structure (feature), and above-mentioned continuous sidewall 18 around bottom 16 and from the bottom 16 upwards and protruding.It is contemplated that sidewall 18 can be only 16 protrudes upward or even from the bottom 16 upwards and inwardly stretch out from the bottom.It is also conceivable that edge 14 is discontinuous, is continuous but ideal situation is edge 14.

[0032] edge 14 comprises first structure that protrudes upward and corresponding second structure, and above-mentioned first structure that protrudes upward generally 14 protrudes upward from the edge, and above-mentioned second structure is such as being formed space between the adjacent structure that protrudes upward.At Fig. 1 a, among the embodiment of b, first structure that protrudes upward comprises a plurality of ribs 20.It is spaced apart that each rib 20 is used in the corresponding a plurality of spaces 46 that form between them.Each rib 20 can form with Fig. 1 a in respect to the different figure shown in the edge 14.It is contemplated that what the sum of rib 20 can be with shown in Fig. 1 a is different, this depends on the material type of the size of some factors such as container assemblies or shape, container assemblies and thickness, and the maintenance intensity of desirable container assemblies.

It is contemplated that [0033] what the shape and size of rib 20 can be with shown in Fig. 1 a is different.Ideal situation is, with each rib 20 shaped and size, reduces to minimum so that be used for forming the stack height of the container of container assemblies.Ideal situation is, the stack height of container is reduced to (a) reduces traffic cost and packing, and (b) provide the space efficiency in retail and the consumption device (setting).Ideal situation is in addition, makes the maintenance intensity maximum of container assemblies.Desirable maintenance intensity usually is container assemblies also to be prevented simultaneously for customer's opening and closing easily or forbidding accidental a kind of balance of opening between the container assemblies.

It is contemplated that [0034] first structure that protrudes upward can be processed into the shape different with the rib 20 shown in Fig. 1 a.In the embodiment of Fig. 1 a, each rib 20 generally comprises a top surface or generally is flat area.Equally, each space 46 comprises a lower surface or generally is flat area.Alternatively, first structure that protrudes upward can be a plurality of circles, ellipse, square or polygonal structure.

It is contemplated that [0035] many shape and size can form by the used in the present invention structure that protrudes upward.But it is also conceivable that the structure that can use the releasable different to engage with rib 20 and space 46.For example, can utilize rib and groove structure to form container assemblies.Referring to Fig. 2 a-b, generally half extends around the pact of the circumference 244 of container 220 for rib 230, and groove 252 forms around the remainder of the circumference of container 220.Fig. 2 b is the cutaway view that the container 220 of Fig. 2 a is generally got along line 2b-2b.Fig. 2 c illustrates a container assemblies 270, and described container assemblies 270 adopts the container 220 of Fig. 2 a-b and the container 252 with same basically rib and groove structure.But groove 252 releasable of container 220 engage second rib 235 of second container 222.Second rib 235 stretches into the inside of whole groove 252.It is contemplated that it is the inside of whole groove basically that rib can stretch into.

[0036] return a referring to Fig. 1, b according to the present invention, forms a stacked structure on the bottom 16 of first container 10.Stacked structure generally comprises upwelling area and corresponding grooves district, and described groove area forms by the upwelling area or around the upwelling area usually.Alternatively, stacked structure can comprise a plurality of upwelling areas and corresponding grooves district.According to the present invention, stacked structure is basically across the both sides at least of polygon container or basically along the circumferential extension of circle or elliptical vessel.

[0037] first container 10 of Fig. 1 a illustrates according to the described bulge area 17 of one embodiment of the present of invention.Fig. 1 b is the backplan of first container 10.The bulge area 17 of this embodiment is the shapes of getting the ring 30 of protuberance, and the ring 30 of described protuberance is near rounded bottom 16 or along the circumferential extension of rounded bottom 16.The corresponding grooves zone is the shape of getting groove type circle 34, and described groove type circle 34 has the internal diameter 32 of the ring 30 that a diameter equals to swell.

[0038] Fig. 3 illustrates the bottom perspective view of one second container 110, and described second container 110 is suitable for a with Fig. 1, and first container 10 of b is stacked.In this embodiment, second bottom 116 of second container 110 can comprise the circle 140 of a protuberance, the circle 140 of described protuberance have a diameter for basically with the identical size of internal diameter 32 of the ring 30 and the corresponding grooves formula ring 130 of protuberance.Therefore, container 10,110 can be stacked like this, so that the circle 140 that will swell is assemblied in the ring 30 of protuberance.Alternatively, second container 110 can have the bulge area of other type, described other type bulge area is suitable for being assemblied in the ring 30 of protuberance of first container 10, so as to prevent or or first container 10 with respect to the sideway movement of second container 110.For example, the bulge area of second container 110 can be got the shape of one second ring (not shown), described second ring have an external diameter for basically with the identical size of internal diameter of ring 30 of protuberance.The bulge area of second container 110 also can be got the shape of a plurality of arches, and described a plurality of arches are arranged to be assemblied in the ring 30 of protuberance of first container 10 and with the ring 30 of described protuberance and are contacted.The bulge area of also imagining other type is suitable for preventing or forbidding the sideway movement of stacked container.

It is contemplated that [0039] shape and size of stacked structure can be different with those shape and size shown in Fig. 1 b and 3.Preferably, with the protuberance or the groove type zone be processed into certain shape and size so that the stacked height minimum of each container.Ideal situation is in addition, makes the maintenance intensity maximum of stacked container assemblies.Concerning bulge area, possible ideal situation is to have general and corresponding recesses regional identical size and size, so that forbid or prevent the sideway movement of a container assemblies with respect to another assembly.

It is contemplated that [0040] form of other shape can be got in bulge area and groove type zone, described other shape includes, but not limited to rectangle, square, hexagon, octagon, other is polygon-shaped or oval.Bulge area and groove type zone can also comprise some ribs or a plurality of by its space that forms respectively.In another embodiment, schuppen structure comprises net grain surface, and the diff-H between bulge area and the groove type zone is very little toward each other herein.Net grain surface can have uniform figure, perhaps can be ccasual.

[0041] in another embodiment of the present invention, first container 10 and second container 110 are substantially the same.It is desirable that substantially the same stacked structure is arranged on adjacent top and bottom container surface, because it has saved the container that will have first schuppen structure and has matched on second container with corresponding second schuppen structure, convenience and efficient when stacked have therefore been increased.

[0042] Fig. 4-the 8th has the bottom perspective view of the container of stacked structure, and described stacked structure can make first container assemblies and another container assemblies stacked, and this another container assemblies has the described substantially the same schuppen structure according to several embodiment.Stacked structure comprises a plurality of bulge area and the space that forms between them.Stacked structure is basically along at least two limits of polygon container or basically along the circumferential extension of circle or elliptical vessel.This is an ideal situation, and therefore when stacked, the user only needs slight rotary container, so that the schuppen structure of a container is assemblied in the schuppen structure of another container.

[0043] according to the embodiment of Fig. 4, the schuppen structure of container 400 comprises the zone 412 of a plurality of even isolated rounded protuberance.The zone 412 of each rounded protuberance is from center 460 symmetries of container.The zone 412 of each rounded protuberance is basically along the circumferential extension of container 400, and so arranges so that form space 420 between them.Certain size suitably is processed in each space 420, so that hold the bulge area of the identical circular of another container.In the embodiment of Fig. 4, the zone that centers on the center 460 of container 400 does not comprise schuppen structure.This may be an ideal situation, therefore can comprise its its feature in this zone, and described its its feature includes, but are not limited to corporate name or marking pattern.

[0044] at Fig. 5 a, among the embodiment of b, the schuppen structure of rectangular vessel 470 comprises the zone 472 of those similar rounded protuberance of a plurality of and Fig. 4.The zone 472 of rounded protuberance generally is perpendicular line 480 or generally is horizon 490 with respect to center 485 operation of passing container 470.The zone 472 of rounded protuberance is two limit 474a along rectangular vessel 470 basically, and b extends.Ideal situation be schuppen structure basically along at least two relative limit 474a, b extends, and therefore makes the zone of schuppen structure of the schuppen structure of a container and another container easier.

[0045] in the embodiment of Fig. 6, container 500 has a schuppen structure, and described schuppen structure comprises some crown lines 510, and described some crown lines 510 are with respect to generally being that vertical line 530 is symmetrical arranged, and this perpendicular line 530 passes the center operation of container 500.Each crown line 510 footpaths make progress the center of calm device or described container center near stretch out.Crown line 510 is basically along the circumferential arrangement of container and so setting, so that the equal crown line that has the space 520 of q.s to be used for another container between them is assemblied in the space 520, therefore the bottom with two containers is assembled together, to prevent or to forbid the motion of a container with respect to another container.

[0046] in the embodiment of Fig. 7, container 600 has a schuppen structure, and described schuppen structure has the upwarped district 610 of a plurality of bendings.Crooked zone 610 is basically along the circumferential extension of the bottom of container 600, and with respect to generally being vertical line 630 symmetries, described vertical line 630 generally passes the center of container 600 and extends.Each crooked upwarped district 610 is spaced apart like this, so that the upwarped district of the equal bending on the bottom of another container can be assemblied between them in the formed space 620, therefore so that the bottom of two containers is assembled together, prevents or forbid of the motion of a container with respect to another container.

[0047] Fig. 8 illustrates a container 700, and described container 700 has schuppen structure, and this schuppen structure comprises the upwarped district 710 of a plurality of narrow curved.The upwarped district 710 of each narrow curved is with respect to generally being vertical line 750 symmetries, and described vertical line 750 generally passes the center operation of container 700, and basically along the circumferential extension of the bottom of container 700.The upwelling area 710 of each narrow curved is spaced apart like this, the upwelling area of equal narrow curved can be assemblied between them in the formed corresponding space 720 on the bottom of another container like this, therefore so that the bottom of two containers is assembled together, prevents or forbid of the motion of a container with respect to another container.

[0048] shown in Figure 9 according to the described container assemblies of one embodiment of the present of invention 100.Container assemblies 100 comprises Fig. 1 a, first container 10 of b and second container 110 of Fig. 3.As mentioned above, container assemblies can use first and second containers different with bowl to form.

[0049] according to a kind of method, the container assemblies 100 of Fig. 9 can form by assembling first container 10 and second container 110.Second container 110 comprises the second continuous base portion 112 and the second continuous edge 114, and the described second continuous edge 114 surrounds second base portion 112, and protruding on described second base portion, 112 side direction.As shown in Figure 10, second edge 114 also comprises more than second rib 120 and more than second spaces 146 that form between them.More than second rib 120 wherein each can be processed into the shape and size identical with the rib 20 shown in Fig. 1 a, generally 114 protruding (that is on direction) simultaneously away from the second continuous base portion 112 from second edge.Equally, as mentioned above, first container 10 comprises continuous base portion 12 and continuous edge 14, and described edge 14 surrounds base portions 12 and be protruding on described base portion 12 side direction, and comprises a plurality of ribs 20 and space 46.Container 10,100 also comprises the schuppen structure of Fig. 1 b and 3 respectively.

[0050] with second container 110 with respect to first container 10 reversing (flip) 180 °, so that first container 10 and second container 110 are generally aimed at, and 14 contiguous second edges 114, first edge, this second container 110 is shown in Figure 10 with respect to the inverted position of first container 10.Referring to Figure 10, second rib 120 that each of second container 110 is adjacent is assembled in the corresponding space 46 of first container 10, and each rib 20 of first container 10 is assembled in corresponding second space 120 of second container 110, but so container assemblies 100 releasable locking.Be assembled to for the rib with a container in the corresponding space of another container, one of them of container 10,110 may essential slight rotation, so that each rib skew (even also the spacial alignment of the rib of a container and another container).Ideal situation is that the customer is assembling vessel 10,110 so, so that form container assemblies 100 of the present invention.

[0051] intensity of the closure that can lock is relevant with many variablees, as required gap between the rib number that stretches out, the height of those ribs, the size that whether comprises otch, contact zone, space and the rib, and when forming container assemblies required material type and thickness etc.In order to improve locking property of container assemblies, can add optional seal construction.

[0052] Figure 11 illustrates stacked container assemblies 300 of the present invention.The container assemblies 100 that Figure 11 illustrates Fig. 9 is stacked on the top of second container assemblies 200.Second container assemblies 200 is substantially the same or identical with container assemblies 100.

[0053] the stacked container assemblies 300 of Figure 11 can form according to a kind of method by first container assemblies 100 and second container assemblies 200 are provided.Second container assemblies comprises top container 210 and bottom container 310, but the two releasable is bonded on fringe region 250 places.Top container 210 has schuppen structure, and described schuppen structure is substantially the same or identical with the schuppen structure of second container 110.Bottom container 310 has a schuppen structure that is positioned on the bottom 260, and described schuppen structure is substantially the same or identical with the schuppen structure of first container 10.Top and bottom container 210,310 can have the shape different with the container 10,110 of container assemblies 100.For example, the container 210,310 of second container assemblies 200 can be dish class, bowl class, video disc subclass, bucket class, disposable and family's consumption container class, disposable and family's consumption baking tray class or their combination.

[0054] according to a kind of method, the stacked container assemblies of Figure 11 can form by following method, promptly generally the container assemblies 100 and second container assemblies 200 is aimed at, so that the schuppen structure of first container 10 and top container 210 is adjacent one another are.The bulge area of first container 10 is assembled in the corresponding grooves zone of top container 210.It is contemplated that second container assemblies may slightly rotate, so that bulge area biasing (that is the bulge area of first container 10 is aimed at the recess region of top container 210).Ideal situation is, the customer can assembling container assembly 100,200, therefore forms stacked container assemblies 300 of the present invention.

[0055] because schuppen structure of the present invention is around generally being level and/or perpendicular line symmetry, and be basically along the dual-side at least of polygon container or basically along the circle or the circumferential extension of elliptical vessel, so various arrangements are arranged, the schuppen structure of a container can make up with the schuppen structure of another container in described arrangement.Later referring to Fig. 9, for example, container 700 can so rotate, so that the bulge area 710 of a container can be assemblied in any one space (that is 720,730,740 etc.) of the container with substantially the same schuppen structure.Therefore, ideal situation is that when stacked, the user will not rotate up to 180 ° so that make the schuppen structure coupling of two containers by container.But the user only needs slight rotary container, so that one of them of a plurality of bulge area of a container is assembled in one of them of a plurality of spaces of another container, therefore makes each bulge area and biasing at interval.

[0056] container assemblies of the present invention is made with polymeric material usually, but also can make with some materials such as paper or metal.Polymer container can be made with polyolefins.Polymeric food containers uses oriented polystyrene (OPS), polyethylene terephthalate (PET), polyvinylchloride (PVC), polypropylene and/or their combination to make usually.Container assemblies can be made with the polyolefin of like filling talcum of the polymeric material of filling mineral material or calcium carbonate.The example of operable paper is cardboard or molding fiber when forming container.Cardboard and molding fiber have enough friction coefficient usually, but so that keep first and second containers to be in locked position.

[0057] as mentioned above, but when forming container assemblies used material can help releasable locking or stacked container assemblies.For example, the material that forms container assemblies can have very sticking laminated product on a side, and described laminated product is corresponding with the very sticking laminated product on the opposite side, but produces the container assemblies that a kind of desirable releasable is locked simultaneously.

It is contemplated that [0058] used container can be made with different materials when forming container assemblies.It is contemplated that, those of ordinary skill in the art will understand that, can use the combination of some other poly-mer or poly-mer to make container.

[0059] container assemblies of the present invention is normally disposable, but it is contemplated that, they in the future can repeated usage.Used container (such as container 10,110) is depicted as and comprises a compartment when forming container assemblies.It is contemplated that container can be formed by a plurality of compartments.This class container it is desirable to be used for some article (for example food) are placed on different compartments, so that prevent or forbid mixing of article.For example, the mixing of undesirable food can make the smell and the denseness corruption (corrupt) of food.

[0060] as mentioned above, container assemblies can use with food.Use the method for this class container to comprise to be placed on food in the container and lock container, so that form the container assemblies that wherein has food.Container assemblies can be placed in the heating device then and heating.The representative type heating device comprises micro-wave oven and conventional oven.Container assemblies can be adorned the food goods.Container assemblies can be used for storage in refrigerator and/or the reefer.

[0061] treat the container that in forming container assemblies of the present invention, uses can with conventional Heat forming (such as, by pressure, vacuum or their combination), injection moulding or rotomoulding.According to a kind of thermoforming process, pellet and additive with fluoropolymer resin if any, are added in the extruding machine.With the pellet and the additive of fluoropolymer resin, if any, fusing is to form blend composition.The blend composition extrusion molding passes mould so that form the sheet material of extrusion molding.The plate thermal forming of extrusion molding is for forming the shape of container used in the container assemblies.

[0062] thickness for the treatment of container used in forming container assemblies generally is in the about 0.15 inch scope of about 0.002-, but normally in the about 0.04 inch scope of about 0.005-.Container assemblies can be opaque or variety of colors or color combination.Container assemblies has at least one transparent vessel if desired.Under the situation of not opening container assemblies, determine the character and the situation thereof of the goods of adorning for the customer.

[0063] although illustrated and illustrated specific embodiments more of the present invention and application, but should be appreciated that, the invention is not restricted to precise construction disclosed herein and composition, and under situation about not breaking away from as the described the spirit and scope of the present invention of appended claims, various modifications, change and change can be apparent from above-mentioned explanation.

Claims

1. container assemblies comprises:

First is circular container basically, described first container comprises the first continuous base portion and first edge, first surrounded by edges, first base portion is also protruding on the described first base portion side direction, first edge has basically by its first structure that protrudes upward and corresponding second structure, first base portion forms first schuppen structure thereon, and what first schuppen structure and first edge were positioned at first container is on the opposite end basically; With

Second is circular container basically, described second container comprises the second continuous base portion and second edge, second surrounded by edges, second base portion is also protruding on the described second base portion side direction, second edge has basically by its 3rd structure and corresponding the 4th structure that protrudes upward, second base portion forms second schuppen structure thereon, what second schuppen structure and second edge were positioned at second container is on the opposite end basically

Wherein first edge and second edge are substantially the same,

Wherein but first container and second container engage by mutual releasable in second structure that the 3rd structure that upwards stretches out is assembled to first container by the 4th structure neutralization that first structure that protrudes upward is assembled to second container,

Wherein first and second schuppen structures along the circumferential extension of corresponding first and second containers, reach basically

Wherein container assemblies is adapted to pass through first schuppen structure that makes container assemblies and engages with second schuppen structure of second container and be stacked on second container assemblies, so that prevent or forbid the sideway movement of container assemblies with respect to second container assemblies.

2. container assemblies as claimed in claim 1, wherein first container and second container are substantially the same.

3. container assemblies as claimed in claim 1, wherein first and second schuppen structures are substantially the same.

4. container assemblies as claimed in claim 1, wherein first container and second container are transparent basically.

5. container assemblies as claimed in claim 1, wherein first and second schuppen structures are surfaces of reticulate pattern.

6. container assemblies as claimed in claim 5, wherein net grain surface one of them is a random figure at least.

7. container assemblies as claimed in claim 1, wherein first schuppen structure comprises that first is outwardly directed structure basically, and second schuppen structure comprises that second is outwardly directed structure basically.

8. container assemblies as claimed in claim 1, wherein first container and second container are made with polymeric material.

9. container assemblies comprises:

First is the polygon container basically, the described first polygon container comprises the first continuous base portion and first edge, first surrounded by edges, first base portion is also protruding on the described first base portion side direction, first edge has basically by its structure that protrudes upward, with corresponding second structure, first base portion forms first schuppen structure thereon, first schuppen structure and first edge are positioned at first container be basically on the opposite end and

Second is polygonal container basically, the described second polygon container comprises the second continuous base portion and second edge, second surrounded by edges, second base portion, and stretch out from the described second base portion side direction, second edge has basically by its 3rd structure and corresponding the 4th structure that protrudes upward, second base portion forms schuppen structure thereon, and what second schuppen structure and second edge were positioned at second container is on the opposite end basically

Wherein first edge and second edge are substantially the same,

Wherein but first container and second container are bonded with each other by releasable in second structure that the 3rd structure that upwards stretches out is assembled to first container by the 4th structure neutralization that first structure that protrudes upward is assembled to second container,

Wherein first and second schuppen structures extend along at least two sides of corresponding first and second containers basically, and

Wherein container assemblies is adapted to pass through first schuppen structure with container assemblies and engages with second schuppen structure of second container assemblies and be stacked on second container assemblies, so that prevent or forbid the sideway movement of container assemblies with respect to second container assemblies.

10. container assemblies as claimed in claim 9, wherein first container and second container are substantially the same.

11. container assemblies as claimed in claim 9, wherein first and second schuppen structures are substantially the same.

12. container assemblies as claimed in claim 9, wherein first container and second container are transparent basically.

13. container assemblies as claimed in claim 9, wherein first and second schuppen structures are net grain surfaces.

14. container assemblies as claimed in claim 13, wherein net grain surface one of them is a random figure at least.

15. container assemblies as claimed in claim 9, wherein first schuppen structure comprises that first is outwardly directed structure basically, and second schuppen structure comprises that second is outwardly directed structure basically.

16. container assemblies as claimed in claim 9, wherein first container and second container are made with polymeric material.

17. the method for a stacked container assemblies, described method comprises following action:

Provide first to be circular container assemblies basically, described first container assemblies comprises that first container and second is circular container basically, first container has the first continuous base portion and first edge, first surrounded by edges, first base portion, and stretch out from the described first base portion side direction, first edge has basically by its first structure that protrudes upward and corresponding second structure, first base portion forms first schuppen structure thereon, first schuppen structure is basically along the circumferential extension of first container, it is on the opposite end of first container basically that first schuppen structure and first edge are positioned at, second container comprises the second continuous base portion and second edge, second surrounded by edges, second base portion, and it is protruding on the described second base portion side direction, second edge has basically by its 3rd structure and corresponding the 4th structure that protrudes upward, second base portion forms second schuppen structure thereon, second schuppen structure is basically along the circumferential extension of second container, it is on the opposite end of second container basically that second schuppen structure and second edge are positioned at, first edge and second edge equate basically, but first container and second container are bonded with each other by releasable in second structure that the 3rd structure that upwards stretches out is assembled to first container by the 4th structure neutralization that first structure that protrudes upward is assembled to second container;

Second container assemblies is provided, described second container assemblies comprises it being that circular the 3rd container and the 4th is circular container basically basically, the 3rd container has the 3rd continuous base portion and the 3rd edge, the 3rd surrounded by edges the 3rd base portion, and it is protruding on described the 3rd base portion side direction, the 3rd edge has basically by its 5th structure and corresponding the 6th structure that protrudes upward, the 3rd base portion forms the 3rd stacked structure thereon, the 3rd stacked structure is basically along the circumferential extension of the 3rd container, it is on the opposite end of the 3rd container basically that the 3rd stacked structure and the 3rd edge are positioned at, the 4th container comprises the 4th continuous base portion and the 4th edge, the 4th surrounded by edges the 4th base portion, and it is protruding on described the 4th base portion side direction, it is the 7th structure and corresponding the 8th structure that is protruded upward by it basically that the 4th edge has, the 4th base portion forms the 4th schuppen structure thereon, it is on the opposite end of the 4th container basically that the 4th schuppen structure and the 4th edge are positioned at, the 3rd edge and the 4th edge are substantially the same, but the 3rd container and the 4th container are bonded with each other by releasable in the 7th structure that the 6th structure that protrudes upward is assembled to the 3rd container by the 8th structure neutralization that the 5th structure that protrudes upward is assembled to the 4th container;

First container assemblies and second container assemblies are provided with like this, so that make the second and the 3rd container adjacent one another are; With

First schuppen structure of first container assemblies is engaged with the 4th schuppen structure of second container assemblies, so that prevent or forbid of the sideway movement of first container assemblies with respect to second container assemblies.

18. method as claimed in claim 17, wherein the first, second, third and the 4th container is substantially the same.

19. method as claimed in claim 17, wherein the first, second, third and the 4th schuppen structure is substantially the same.

20. method as claimed in claim 17, wherein the first, second, third and the 4th schuppen structure is a net grain surface.

21. method as claimed in claim 20, wherein each net grain surface is a ccasual.

22. method as claimed in claim 17, wherein the first and the 3rd stacked structure is substantially the same, and the second and the 4th schuppen structure is substantially the same.

23. method as claimed in claim 17, wherein the first and the 3rd stacked structure comprises bulge area, and the second and the 4th schuppen structure comprises recess region.

24. method as claimed in claim 17, wherein the first, second, third and the 4th schuppen structure is made with polymeric material.

25. the method for stacked container assemblies, described method comprises following action:

Provide first to be polygonal container assemblies basically, described first container assemblies comprises that first container and second is polygonal container basically, first container has the first continuous base portion and first edge, first surrounded by edges, first base portion, and it is protruding on the described first base portion side direction, first edge has basically by its first structure that protrudes upward and corresponding second structure, first base portion forms first schuppen structure thereon, first schuppen structure extends along at least two sides of first container basically, it is on the opposed side edges of first container basically that first schuppen structure and first edge are positioned at, second container comprises the second continuous base portion and second edge, second surrounded by edges, second base portion, and stretch out from the described second base portion side direction, second edge comprises basically by its 3rd structure and corresponding the 4th structure that protrudes upward, second base portion forms second schuppen structure thereon, second schuppen structure extends along at least two sides of second container basically, it is on the opposed side edges of second container basically that second schuppen structure and second edge are positioned at, first edge and second edge are substantially the same, but first container and second container are bonded with each other by releasable in second structure that the 3rd structure that upwards stretches out is assembled to first container by the 4th structure neutralization that first structure that protrudes upward is assembled to second container

Second container assemblies is provided, described second container assemblies comprises it being that polygon the 3rd container and the 4th is polygonal container basically basically, the 3rd container has the 3rd continuous base portion and the 3rd edge, the 3rd surrounded by edges the 3rd base portion, and it is protruding on described the 3rd base portion side direction, the 3rd edge has the 5th structure and corresponding the 6th structure that is protruded upward by it, the 3rd base portion forms the 3rd stacked structure thereon, the 3rd stacked structure extends along at least two sides of the 3rd container basically, it is on the opposite end of the 3rd container basically that the 3rd stacked structure and the 3rd edge are positioned at, the 4th container comprises the 4th continuous base portion and the 4th edge, the 4th surrounded by edges the 4th base portion, and it is protruding on described the 4th base portion side direction, the 4th edge has basically by its 7th structure and corresponding the 8th structure that protrudes upward, the 4th base portion forms the 4th schuppen structure thereon, the 4th schuppen structure extends along at least two sides of the 4th container basically, it is on the opposite end of the 4th container basically that the 4th schuppen structure and the 4th edge are positioned at, the 3rd edge and the 4th edge are substantially the same, but the 3rd container and the 4th container are bonded with each other by releasable in first structure that the 6th structure that protrudes upward is assembled to the 3rd container by the 8th structure neutralization that the 5th structure that protrudes upward is assembled to the 4th container;

Locate first container assemblies and second container assemblies like this, so that the second and the 3rd container is adjacent one another are; With

26. method as claimed in claim 25, wherein the first, second, third and the 4th container is substantially the same.

27. method as claimed in claim 25, wherein the first, second, third and the 4th schuppen structure is substantially the same.

28. method as claimed in claim 25, wherein the first, second, third and the 4th schuppen structure is a net grain surface.

29. method as claimed in claim 28, wherein each net grain surface is a ccasual.

30. method as claimed in claim 25, wherein the first and the 3rd stacked structure is substantially the same, and the second and the 4th schuppen structure is substantially the same.

31. method as claimed in claim 25, wherein the first and the 3rd stacked structure comprises bulge area, and the second and the 4th schuppen structure comprises recess region.

32. method as claimed in claim 25, wherein the first, second, third and the 4th container is made with polymeric material.

33. be used for the method for stacked container assemblies, described method comprises following action:

Provide first to be circular container assemblies basically, described first container assemblies comprises that first is that circular container and second is circular container basically basically, first container has the first continuous base portion and first edge, first surrounded by edges, first base portion, and it is protruding on the described first base portion side direction, first edge has basically by its first structure that protrudes upward and corresponding second structure, first base portion forms first schuppen structure thereon, first schuppen structure is basically along the circumferential extension of first container, it is on the opposite end of first container basically that first schuppen structure and first edge are positioned at, second container comprises the second continuous main body and second edge, second surrounded by edges, second base portion, and it is protruding on the described second base portion side direction, second edge has basically by its 3rd structure and corresponding the 4th structure that protrudes upward, second base portion forms second schuppen structure thereon, second schuppen structure is basically along the circumferential extension of second container, it is on the opposite end of second container basically that second schuppen structure and second edge are positioned at, first edge and second edge are substantially the same, but first container and second container are bonded with each other by releasable in second structure that the 3rd structure that upwards stretches out is assembled to first container by the 4th structure neutralization that first structure that protrudes upward is assembled to second container;

Second container assemblies is provided, described second container assemblies comprises it being that polygonal the 3rd container and the 4th is polygonal container basically basically, the 3rd container has the 3rd continuous base portion and the 3rd edge, the 3rd surrounded by edges the 3rd base portion, and it is protruding on described the 3rd base portion side direction, the 3rd edge has basically by its 5th structure and corresponding the 6th structure that protrudes upward, the 3rd base portion forms the 3rd stacked structure thereon, the 3rd stacked structure extends along at least two sides of the 3rd container basically, it is on the opposite end of the 3rd container basically that the 3rd stacked structure and the 3rd edge are positioned at, the 4th container comprises the 4th continuous base portion and the 4th edge, the 4th surrounded by edges the 4th base portion, and it is protruding on described the 4th base portion side direction, the 4th edge has basically by its 7th structure and corresponding the 8th structure that protrudes upward, the 4th base portion forms the 4th schuppen structure thereon, the 4th schuppen structure extends along at least two sides of the 4th container basically, it is on the opposite end of the 4th container basically that the 4th schuppen structure and the 4th edge are positioned at, the 3rd edge and the 4th edge are substantially the same, but the 3rd container and the 4th container are bonded with each other by releasable in the 7th structure that the 6th structure that protrudes upward is assembled to the 3rd container by the 8th structure neutralization that the 5th structure that protrudes upward is assembled to the 4th container;

First container assemblies and second container assemblies are located like this, so that the second and the 3rd container is adjacent one another are; And

The 4th schuppen structure of first schuppen structure of first container assemblies and second container assemblies is engaged, so that prevent or forbid of the sideway movement of first container assemblies with respect to second container assemblies.

34. method as claimed in claim 33, wherein first and second containers are substantially the same and wherein third and fourth container is substantially the same.

35. method as claimed in claim 33, wherein the first, second, third and the 4th schuppen structure is substantially the same.

36. method as claimed in claim 33, wherein the first, second, third and the 4th schuppen structure has the network surface.

37. method as claimed in claim 36, wherein each net grain surface is a ccasual.

38. method as claimed in claim 33, wherein the first and the 3rd stacked structure is substantially the same, and the second and the 4th schuppen structure is substantially the same.

39. method as claimed in claim 33, wherein the first and the 3rd stacked structure comprises bulge area, and the second and the 4th schuppen structure comprises recess region.

40. method as claimed in claim 33, wherein the first, second, third and the 4th container is made with polymeric material.

41. one kind is circular container basically, comprising:

Continuous base portion;

The edge, described surrounded by edges base portion, and protruding on the described base portion side direction;

First structure, described first structure protrudes upward from the edge basically;

Cooresponding second structure, described second structure is arranged on the edge; With

Schuppen structure, described schuppen structure forms on the base portion relative with the edge;

Wherein schuppen structure forms along the circumference of container basically;

Wherein container is suitable for second container stackedly, and second container is inverted with respect to first container, engages with second schuppen structure of second container by first schuppen structure that makes container, so that prevent or forbid the sideway movement of container with respect to second container.

42. one kind is polygonal container basically, comprising:

Continuous base portion;

Wherein schuppen structure extends along at least two sides of container basically;

Wherein container is suitable for second container stackedly, and second container engages with first schuppen structure of second container by the schuppen structure that makes container with respect to first container upside down, to prevent or to forbid the sideway movement of container with respect to second container.