CN204846762U - Packaging container with rim and lid - Google Patents

Abstract

The utility model relates to a packaging container with rim and lid discloses the cardboard packaging container of solid in bulk, personally experience sth. Part of the body and have the closing device who is used for closed container body open -ended lid including the container that has the body open -ended container wall from container bottom edge extension to the container. The container wall has the internal surface of the interior compartment in packaging container. Be provided with at the container body opening part of the container body and consolidate the rim and consolidate the rim on, along opening edge extension and injectd the perimeter of container entry. On consolidate the rim and connect on the internal surface of container wall through the frit seal piece that extends around container body opening and have the top edge, the top edge includes first adjacent surface, first adjacent surface set to when the lid when the container entry is gone up at closed position and the second adjacent surface of covering border on to being in closed position, the lid form tight seal between rim and the lid last the reinforcement when on the container entry.

Description

There is the packing container of wheel rim and lid

Technical field

The utility model relates to the packing container of a kind of bulk solid (such as particle or powdered food), and this container comprises container body, and this container body comprises: the wall of container extending to container body opening from container bottom along container height direction; And comprise the closing device of lid.Wall of container has inside face, the dorsad interior outside face of compartment and the edge of opening at container body opening part of compartment in packing container.Be provided with the upper reinforcing wheel rim being applied to container body at the container body opening part of container body, on this, reinforcing wheel rim extends along edge of opening, thus defines the periphery of container entrance.

Background technology

At the packaging field of the consumables; especially when packing dry, the flowable powdery consumables; usual use stiff cardboard packing container, this stiff cardboard packing container is used as transport and the reservoir vessel of protectiveness at retail terminal, is used as to store and distribution container at customer's end.This cardboard packaging is provided with usually can open/closable lid and can removing or destructible interior Obstruct membrane, and this interior Obstruct membrane made inclusion keep fresh and avoids polluting before packing container consigns to customer.Once destroy inner membrance and obtain the inclusion in packing container, so the inclusion that makes of packing container will depend on the structure of lid consumingly from the ability of the deleterious effect from environment.Therefore, it is of concern that in removal after barriers, packing container can also continue to make the maintenance of the inclusion in packing container fresh and from the pollution from outside.Especially it is of concern that, packing container repeatedly can be opened the inclusion that obtains in container and again can seal to carry out health storage to the inclusion in packaging between multiple distribution place.Packaging product contained by the packing container of bulk solid is usually more than what use in each distribution place.Therefore, at least correspond to consumer anticipation be finished in the time period of all inclusion required times in packing container, the surplus products in packing container are needed to keep quality (such as, taste, smell, scooping property, vitamin content, color etc.).

Therefore, the purpose of this utility model is to provide a kind of cardboard container, and this cardboard container improves to have opened once at this packing container and still makes the dry bulk solid in this cardboard container from the ability of the adverse effect of the environment from packing container outside.

Utility model content

According to the utility model, provide the cardboard container for bulk solid according to claim 1.Set forth another embodiment in the dependent claims.Described container comprises the container body with the wall of container extending to container body opening along the short transverse of described container from container bottom rim, with the closing device with lid, described wall of container has the inside face of compartment in described packing container and the outside face of described interior compartment dorsad, described container body has edge of opening at described container body opening part and is applied to the upper reinforcing wheel rim of described container body at container body opening part, and described upper reinforcing wheel rim extends along described edge of opening and defines the periphery of container entrance.In cardboard container disclosed herein:

-described upper reinforcing wheel rim is connected to by frit seal on the inside face of described wall of container, and described frit seal extends around described container body opening;

-described upper reinforcing wheel rim has extendible portion and comprises the upper limb towards the lower edge of described container bottom and described container bottom dorsad in the short transverse of described container;

The upper limb of-described upper reinforcing wheel rim comprises the first adjacent surface;

-described lid comprise when described cover in the close position in described vessel port time towards the inner cap surface of described container bottom, and when described cover in the close position on described container entrance time described container bottom dorsad outer cap surface;

The inside face of-described lid comprises the second adjacent surface;

The first adjacent surface on-described upper reinforcing wheel rim be arranged to when described cover in the close position on described container entrance time and described the second adjacent surface covered adjoin, and when described cover in the close position on described container entrance time formed between plastics wheel rim and described lid and seal.

Owing to upper reinforcing wheel rim being connected with the inside face of wall of container by welding mode, can obtain compared with bonding way more closely and thinner connection.The reinforcing wheel rim of welding is preferably plastics wheel rim, is connected by the inside face of wall of container with the inside face of container cover, and contributes to from wall of container to container cover, form continuous obstruct.Frit seal forms first and seals between upper reinforcing wheel rim and wall of container, and the first adjacent surface and the second adjacent surface form the second washer sealing between upper reinforcing wheel rim and lid.First sealing is the sealed-for-life existed all the time, the second sealing be only when cover to close on container entrance and the first adjacent surface and the second adjacent surface force together time and the opened sealing that exists.

Fusion joining process provides a kind of strictly controlled mode forming Best link between plastics wheel rim and cardboard packaging wall.This connection can be formed in the following manner: provide energy with heating and in local softening or molten plastic wheel rim and/or wall of container inside face on one or more thermoplastic components, then perpendicular on the direction of wall of container by plastics wheel rim and wall of container force together.Thermoplastic material for the formation of frit seal can be provided by plastics wheel rim, is provided by the thermoplastic film on the inside face of container body wall or coating, or is provided by the thermoplastic film on the inside face of plastics wheel rim and wall of container or coating simultaneously.Preferably, plastic wheel cause thermoplastic material is made.Themoplasticity wheel rim can be made up of any suitable fusion molding technique known in the art, such as injection mo(u)lding.By controlling fusion temp, pressure and weld time, fusion joining process can be applied to the material that is fused and obtain the welded side seam with required leak tightness grade.Therefore, fusion joining process is accurate and predictable, and is the effective means making the failure-free sealing with predetermined leak tightness grade.Preferred fusion joining process for the frit seal between upper reinforcing wheel rim and cardboard container body can be high frequency welding.

As used herein, cardboard container is the wherein packing container that formed by board web material of container body.Cardboard packaging can be formed by any mode well known in the prior art, such as, form container body in the following manner: board web material is bent to tubular form, then the overlap of paper board material or adjacent lateral edges is engaged and closes this pipe in the vertical.Joint between lateral edges can be covered with sealing band.Container bottom can be formed by the independent chassis connected in one end of container body pipe, or can by being formed by the end fold of container body pipe.

As used herein, paper board material is the web made primarily of cellulose fibre or paper fiber.This web can provide with the form of continuous web, or provides with the form of multiple independent sheet material.Paper board material can be monolayer material or multilayer (ply) material, and can be the laminated material comprising one or more layers material (such as thin polymer film and coating, metallic paper etc.).Thin polymer film and coating can comprise thermoplastic polymer or be made up of thermoplastic polymer.Paper board material can be applied, printing, embossing etc., and can comprise weighting material, pigment, adhesives and other additives known in the art.Paper board material disclosed herein is also referred to as cardboard or carton material.

As used herein, term " bulk solid " refers to the powdered solid material such as with particle or powder type.Bulk material can be dry or wet.Bulk solid in the context of the application can be digestible, such as infant formula, coffee, tealeaves, rice, flour, sugar, cereal, soup stock, custard powder etc.Alternatively, bulk solid can be stodgy, such as tobacco, cleaning agent, fertilizer, chemicals etc.

As used herein, pulverulent material refers to any material of the forms such as particle, particulate, broken end, canebreak, chopped fiber, fragment, seed.

Can to open or strippable diaphragm seal refers to: user can by destroying the sealing between diaphragm seal and the inside face of wall of container, or by tear or other modes are destroyed diaphragm seal itself and removed film wholly or in part initially to enter compartment in packing container.

Peelable or peelable diaphragm seal can be bubble-tight or ventilative.Air-tight membrane can by being applicable to providing any material of airtight sealing or combination of materials to make to the compartment that diaphragm seal defines, and diaphragm seal is such as aluminium foil, the paper of silicon-coating, plastic film or its laminated product.When the bulk solid stored in packing container to air and/or moisture-sensitive and need avoid pack bulk solid contact with ambient air time, air-tight membrane is favourable.

The barrier properties of packing container disclosed herein can be designed to according to being packaged in the article in packing container and meeting different air-tightness requirements.Such as, and for comparing being exposed to the packing container of oxygen with the extremely sensitive such as infant formula of moisture, the packing container for dry beans can have lower obstruct grade.The combination of the air-tightness washer sealing between the upper limb and the inside face of container cover of upper reinforcing wheel rim and the air-tightness frit seal between upper reinforcing wheel rim and the inside face of wall of container can provide a kind of packing container still after diaphragm seal is removed with excellent barrier.

When being stored in the pulverulent material in packing container to air and/or moisture-sensitive, airtight package is particularly advantageous.In addition, also need to keep the fragrance in packing container and fragrance, and prevent the inclusion of packing from being absorbed smell and fragrance by ambient air.

As disclosed herein, packing container preferably has barrier, and even after removal inner sealing film, barrier also can remain unchanged substantially.In other words, the inclusion in closed packing container similarly can be well protected or be similar to and similarly be well protected, and no matter whether has eliminated inner sealing film.This also means that permanent or temporary sealing (such as; by covering the sealing formed between upper reinforcing wheel rim; and the frit seal between upper reinforcing wheel rim and the inwall of packing container) preferably there is barrier, the inclusion of this barrier to packaging provides the protection class identical with other container assemblies (inclusion in container and the environment outside packing container are separated by it) with inner sealing compartment.

All plastic assemblies as above reinforcing wheel rim and container cover can comprise high barrier polymeric material.High barrier polymeric material can exist as the internal layer in plastic assembly.The plastic assembly with excellent barrier can be formed by injection molding process, wherein the internal layer of ethylene-vinyl alcohol copolymer (EVOH) is formed in polyolefin (such as, polypropylene, polypropylene (PP) or polyethylene) parts.

If the packing container that volume is about 1L 23 DEG C, provide about 0.006cc oxygen obstruction of oxygen/24h under the relative humidity of 50%, so this packing container is considered to bubble-tight.

Packing container as disclosed herein is the container for bulk solid, and this bulk solid is the flowable pulverulent material that can be poured out from container or scoop out.The disposable container that container is dropped when being normally within it cleared containing thing.Emphasis for the packing container of powdery bulk solid is that this container enough seals or at least " prevents spilling ", such as spills container by the seam between upper reinforcing wheel rim and wall of container to prevent dusty material.Have been found that now compared with adhesive seal, by realizing on the inside face of wall of container that more failure-free between wheel rim and box wall is anti-scatter misses conjunction by reinforcing wheel rim welding.In addition, adhesive seal needs in packing container, increase other assembly, also needs the equipment providing and apply adhesives.Therefore, adhesion technique is usually higher and more consuming time than fusion joining process cost.

Because may need to avoid applying adhesives such as to avoid adhesives to contact with the inclusion of packing in a reservoir inside packing container, so known reinforcing wheel rim is bonded at the outer wall of packing container and usually has generally u-shaped cross-sectional profiles, known reinforcing wheel rim have outside vessel wall to the outer leg of downward-extension or flange and inside wall of container to leg in downward-extension or flange.The complex structure of this reinforcing flange, cost is relatively high, and is difficult to when not damaging edge be engaged on cardboard packaging edge.In addition, also prove to be difficult to form sift-proof adhesive seal between reinforcing wheel rim and wall of container, say nothing of satisfied anti-flowing or moisture seal.

As disclosed herein, on inside wall of container, between wall of container and reinforcing wheel rim, be provided with sealing, intercept so the joint reinforced between wheel rim and wall of container can form continuous print in container inside.Plastic consolidation wheel rim specific volume wall is harder, and the stable continuity constituted cardboard packaging wall or supplementary shape, provide the first adjacent surface (when compressing the second adjacent surface covered, first adjacent surface resistance to deformation), and allow packing container to repeat open and close and do not damage edge of opening thus the risk of destruction container tightness.The actv. frit seal of reinforcing between wheel rim and wall of container inside face provides container as disclosed herein with the combination of the indeformable adjacent surface reinforced on wheel rim, after customer opens container first and after any inner sealing film or other shipping seal parts are destroyed, this container has resealable and the compactness of improvement.

Upper reinforcing wheel rim can have any suitable cross-sectional profiles, such as roughly I shape cross-sectional profiles, approximate wedge shape cross-sectional plane, general conical cross-sectional profiles, or to be inverted the cross-sectional plane of L shape form, the cross-sectional plane being inverted L shape form to have on the inside face of wall of container in a reservoir to downward-extension the first leg and extend and cover the second leg of cardboard packaging mural margin.As disclosed herein, the leg to downward-extension L shape being reinforced wheel rim can have different thickness in the different piece of reinforcing wheel rim.Preferably, upper reinforcing wheel rim without any part on the outside face of cardboard packaging wall to downward-extension.Because to be easily inserted in container body opening and to be attached on the wall, so roughly the upper reinforcing wheel rim of I shape or L shape can be preferred by welding perpendicular to container body wall applies pressure.Except being arranged to the corresponding second adjacent surface indirect contact on the inside face of container cover with except the first adjacent surface forming sealing between upper reinforcing wheel rim and lid, upper reinforcing wheel rim can be configured with for lid is remained on the device of make position.This device can be made up of snap lock device, and as be known in the art, this snap lock device is included in wheel rim and the pairing spine covered and groove, male/female locking member etc.

As described herein, the frit seal between upper reinforcing wheel rim and wall of container and the sealing between the first adjacent surface and the second adjacent surface are preferably to be prevented spilling sealing, is more preferably moisture seal, most preferably is airtight sealing.Second sealing (namely, sealing between first adjacent surface and the second adjacent surface) sealing grade can control in the following manner: for the one or both in adjacent surface selects elastomeric material, determine that the second sealing is continuous sealing and is provided for lid to remain on the device of the make position of entrance top to container closure.This holding device (can be included in and cover and pairing spine on wheel rim or framed structure and groove, male/female locking member etc.) is preferably arranged to make the first adjacent surface and the second adjacent surface force together.

When connection with wrapping of piece when being exposed to ambient air to moisture-sensitive and/or responsive to degraded time, may need that there is the container of more high-grade leak tightness and any container seal.Packing container also may be needed to be anti-fragrance, so as the taste of preservation of packaged article and fragrance and prevent connection with wrapping of piece from walking smell and fragrance from packing container external belt.

The upper limb of upper reinforcing wheel rim is arranged on above container body edge of opening in the short transverse of packing container.In this manner, any part of cardboard packaging wall can not the inside face of contacting container lid.That reinforces wheel rim also will be used for the protection at the cardboard edge of wall of container through the part of container body wall on container height direction, and is producing and protecting it from distortion or the damage from other modes in filling process and when opening and closing container cover.

In order to realize the sealing with high-grade compactness, the frit seal between upper reinforcing wheel rim and wall of container preferably extends continuously around container body opening.But if the sealing with lower compactness grade is just enough, such as, when only needing sealing to be sift-proof and preventing the powdery inclusion in packing container from spilling frit seal, so discontinuous frit seal can provide gratifying sealing.

Cardboard container also comprises framed structure, described framed structure container body edge of opening place be applied to described packing container and with described on reinforce wheel rim and be mechanically connected.The upper mechanical connection reinforced between wheel rim and framed structure can be realized by the pairing profile in upper reinforcing wheel rim and framed structure.This pairing profile preferably includes snapping feature, the spine be such as bonded with each other and track or teat and hole/chamber etc.Mechanical connection between upper reinforcing wheel rim and framed structure is preferably irreversible, this means once connect, and can only destroy connection by damaging or damage link.

Container cover may be provided in independent assembly, and when the container is open, this independent assembly can be removed completely.Alternatively, container cover can be connected in framed structure by articulation piece.Articulation piece can be living hinge, that is, lid is connected with flexible between framed structure.Living hinge can be integrally formed with lid and/or framed structure, or can be the element of the independent formation be connected in container cover and framed structure.Alternatively, articulation piece can be two parts articulation piece, and wherein Part I articulation piece is arranged in container cover, and Part II articulation piece is arranged in framed structure.

Framed structure can form a part for cap assemblies, and described cap assemblies also comprises the cover piece be connected with framed structure by described articulation piece as above.Cover piece can be complete lid, or can be only a part for lid, and this part lid can be assembled into container cover with one or more additional cover piece.Such as, cover piece can be the outer cover of the shape and size limiting part lid, this outer cover be exposed to packing container outside and in container cover with interior cover piece (such as, inner washer dish) engage, and interior cover piece lid and on reinforce between wheel rim sealing in provide the second adjacent surface.Inner washer dish can be made up of carton, plastics or any suitable layers stampings.

By framed structure or cap assemblies being arranged to the part be separated with upper reinforcing wheel rim, framed structure or cap assemblies can be arranged in the later stage for the production of the process with packing container on wheel rim.Framed structure or cap assemblies can have three-D profile shape, and with stack features, decorative relief element, locking member and other aberration and irregularity.In addition, cover piece can have nonplanar surface, such as circular surface or irregularly shaped surface.All these three-dimensional features can make packing container be difficult to process in the filling process, and arrange limiting condition to the mode of assembling and packing container.Such as, the packing container being provided with the profile (such as, nonplanar outer cap surface) of non-planar upper surface can not subsequently from the underfill of container, because container can not be placed on safely on nonplanar surface when filling containers.In addition, the plastic assembly with complex three-dimensional forms has higher manufacturing cost, and easily damaged in the assembling and filling process of packing container.By application framework structure or cap assemblies after filling and closed container, can reduce and damage in this process and the quantity of the packing container that must abandon.Therefore, compared with constructing with single part wheel rim of routine, the upper closing device comprising lid and two parts wheel rim/belfry disclosed herein may be used for keeping the waste compared with low degree.Upper wheel rim disclosed herein has simple shape, and the protrusion features not having possibility to damage in process of production.In addition, upper wheel rim for supporting and reinforcing container body, specifically, prevents container body cardboard edge from damaging in this process in manufacture and filling process.In the cardboard packaging completed, upper wheel rim contributes to stable container body in transport and storage process.

Cardboard container disclosed herein can comprise inner peelable or openable diaphragm seal, described diaphragm seal in described container body in form cross-sectional plane between compartment and described vessel port and seal.Peelable or the openable diaphragm seal in described inside is transport and stores sealing member, and it is finally destroyed by the terminal user of packing container or removed.

Can to open or strippable diaphragm seal refers to such film: user can by destroying the sealing between diaphragm seal and the inside face of wall of container, or by tear or other modes are destroyed diaphragm seal itself and removed wholly or in part so that compartment in contact packing container.Peelable diaphragm seal can be provided with one or more predetermined thin spot, and such as perforation or part are by the otch of film.

Peelable or peelable diaphragm seal can be bubble-tight or ventilative.Air-tight membrane can by being applicable to providing any material of airtight sealing or combination of materials to make to the compartment defined by diaphragm seal, the paper of such as aluminium foil, silicon-coating, plastic film or its laminated product.When the bulk solid stored in packing container is to air and/or moisture-sensitive, air-tight membrane is especially favourable, and air-tight membrane provided Additional Protection to connection with wrapping of piece before supposition customer opens packing container first.

Preferably, inner peelable or openable diaphragm seal is bubble-tight peelable or openable diaphragm seal.In addition, further preferably, packing container is airtight package.

In described cardboard container disclosed herein, the one or both in the first adjacent surface and the second adjacent surface can be made up of elastic compressible material, such as natural or artificial rubber.Elasticity adjacent surface contributes to forming tight washer sealing between lid and upper wheel rim.

Closing device in cardboard container disclosed herein can comprise blocking device, and described blocking device is configured to make to cover remain on make position at container entrance place.

Blocking device can comprise the first locking member be arranged in framed structure (if existence), on container body or on upper reinforcing wheel rim, and is arranged on the second locking member in container cover.First locking member and the second locking member can be pairing locking members, and such as comprise the male/female Lock Part of hook or other teats, this male/female Lock Part is arranged to be bonded with each other with ridge, hook, track, hole, chamber, ring etc.Such as, blocking device can be provided by locking trap or snap close, this locking trap or snap close extend from the edge covered (such as from the leading edge covered) and comprise at least one locking member, and this locking member can be fastened in the corresponding locking member in container body or upper reinforcing wheel rim or framed structure or on it.Locking member is preferably designed to and makes blocking device can repeat to open and close.Utilization such as refers to folder, friction increases the grip device such as element, draw ring can so that the operation of blocking device.

In addition, blocking device can comprise the first bar elements covered, and the first bar elements is configured to engage releasedly with the Second-Type profile elements in the framed structure be positioned on upper reinforcing wheel rim and/or be connected with upper reinforcing wheel rim.

As described herein, closed preferably sift-proof between container cover and rim or edge of opening, most preferably or air-tightness or at least roughly bubble-tight.Tight closure between container cover and rim by the pairing profile reinforcing on lid and wheel rim, and can comprise snapping feature, the spine be such as bonded with each other and track or teat and hole/chamber etc.

The inner cap surface of cardboard container disclosed herein can be made up of inner washer cover piece.Inner washer cover piece can be dull and stereotyped and can be formed by any suitable material, such as cardboard, plastics or pertinax etc.Inner washer cover piece preferably includes elastomeric material, this elastomeric material can be arranged in formed inner cap surface surface on elastic coating or elastic layer.Elastomeric material can form coating or layer in all or part of inner cap surface, but should preferably at least be applied in the inner cap surface region of formation second adjacent surface.Corresponding elastic material coating or elastomeric layer can be there is in the first adjacent surface on upper reinforcing wheel rim.

Inner washer cover piece can be connected in outer cover by bonding or welding mode.But preferably, inner washer cover piece is mechanically connected in outer cover, such as, be within it connected in outer cover in the groove of outer cover edge extension on the surface by fastening to.

In cardboard container disclosed herein, the Internal periphery reinforcing wheel rim defines the shape and size of entrance, wherein entrance is less than described container body opening, the open area of entrance is preferably the 85%-99% of container body open area, the 94%-97% of the such as 90%-98% of container body open area, or container body open area.Reinforce wheel rim to be preferably structured in as few as possible in vessel port, entrance opening dimension is maximized.Thin reinforcing wheel rim and large entrance make the inclusion in contact packing container become easy, and contribute to conveniently inclusion being scooped out from container or pouring out.In addition, thin interior reinforcing wheel rim makes pulverulent material be attached to risk minimization on lower rim edge or between wheel rim and wall of container.Open packing container and see that the user of dirty inner ring can feel that packing container is more unhygienic than desired dirt.In addition, usually need to make the pulverulent material of packaging away from the entrance being more easily exposed to pollutants, because entrance more easily touches open packing container and the staff being taken out inclusion by entrance.The pollution inclusion be attached on reinforcing wheel rim in packing container can fall back in container, then can pollute the residue inclusion in container.Except interior reinforcing wheel rim is very thin, the surface reinforcing the inside sensing of wheel rim is preferably substantially level and smooth, and does not have such as ridge or teat etc. that the powdery inclusion in container can be attached thereto irregularly shaped.

If packing container is provided with the framed structure be mechanically connected with upper reinforcing wheel rim, so preferably, any part of framed structure can not to extend in entrance and to reduce entrance area.Then, framed structure may be used for providing such as following characteristics: lid articulation piece, be used for lid to remain on the device, locking member, laminated components etc. of make position at entrance top.

Be attached to risk on upper reinforcing wheel rim to reduce inclusion further, wheel rim can have the upper limb reinforcing wheel rim from above towards on reinforce the lower edge of wheel rim direction on make the shape of cross section of its convergent.The upwards tapered shape of upper reinforcing wheel rim makes entrance have funnel shaped and contributing to inclusion pouring out package container slightly.The downward tapered shape of upper reinforcing wheel rim provides the transition of level and smooth (lower) downwards between wheel rim and the inside face of wall of container.Upper fastening ring can with the continuous convergent of approximate wedge shape cross-sectional plane, or only can have tapered shape on the top reinforcing wheel rim or the bottom that reinforces wheel rim, or can be designed to the cross-sectional plane of stair-stepping mode convergent downward or upward.It will also be appreciated that reinforcing wheel rim has change thickness and staged gradually and changes the combination of the shape of cross section of thickness.

Container disclosed herein can comprise pairing stacked components and be arranged in stacked structure to make two or more packing containers.Pairing stacked components can be arranged on container bottom and vessel port place.

Circumferentially can be arranged in container cover in one or more stacked components of vessel port place, and/or be arranged on the framework that is connected with the upper reinforcing wheel rim around packing container entrance, and/or be arranged on reinforcing wheel rim.Container cover can be provided with the pairing stacked components in the outer surface of upper and bottom inner surface of each lid, makes such as in the production process of packing container disclosed herein, can be stacking separately at the protecgulum being installed to packing container.In a comparable manner, the container cover assembly comprising the cover piece be hinged on framework can be provided with pairing stacked components, makes cap assemblies can be stacking independently.

The form of the circumferential ledge (ledge) on the framework being positioned in outer cap surface or reinforcing on being positioned at wheel rim or be connected with reinforcing wheel rim can be presented in the stacked components of vessel port place.When the top of a container stack at another container, can being placed on this circumferential ledge from container chassis along short transverse to the bottom margin of downward-extension of top container.

As the continuous print of the peripheral region of outer cap surface or the alternative of discrete ledge, the stacked components of vessel port place can be arranged to two or more stayed surfaces matched to the corresponding stacked components of container bottom.The stacked components at container bottom place can with the form of the bottom margin to downward-extension mentioned above, or can to provide the projection at required interval or the form of other teats between container floor and circumferential ledge or other stayed surfaces (when a container stack is at another container top, one or more stacked components of container bottom are placed on this stayed surface).

Packing container disclosed herein can be the container for powdery or the graininess consumables, comprises food or the consumable store such as such as formula food, tea, coffee, cocoa, sugar, flour, tobacco, and such as cleaning agent and the household chemical products such as powder that wash the dishes.Be adapted at the powdery packed in packing container disclosed herein or granular product is flowable, this means the product of aequum to be poured out from packing container or scoop out.

The container body of packing container disclosed herein can have four main body wall portion: the front wall portion relative with rear wall parts and two opposed sidewall portions extended between front wall portion and rear wall parts.Main body wall portion connects in turning or bight, and turning or bight can be formed between the plane surface each other in arranged at right angles, or can be provide more soft to packing container, the bending or inclination bight of circular arc outward appearance slightly.In addition, the shape of main body wall portion can depart from aspect, and wherein one or more main body wall portion have outside or inside curvature.When container body has one or more bandy main body wall portion, the curvature of any this main body wall portion is less than the curvature in any bending bight all the time, that is, the radius of curvature in the bight in the container body of packing container disclosed herein is less than any radius of curvature of main body wall portion all the time.Transition between bight and main body wall portion can be considered as the marked change of curvature, or can be considered as the consecutive variations of curvature.

In addition, container body when making without any when obvious main body wall portion, and can have any suitable bottom profile (foot-print) shape, such as circular, avette or oval.

The front wall portion of container body wall can have radius of curvature be 70mm-500mm be bent outwardly shape.Therefore, container body can have the cross-sectional plane of roughly D shape.The advantage of bandy front wall portion is to provide relatively large and can observable surface, and this surface may be used for Presentation Function, such as, for identification marking title, diagram or explanation.In addition, the container body with roughly D shape cross-sectional plane is joint space-efficient, because it can be placed on the position near such as kitchen wall or cabinet wall.

The bending bight of can be radius of curvature be in the bight of packing container 15mm-100mm.

In cardboard packaging, the amount of the paper board material for container minimize with make container enough hard with avoid container damaged or subside (such as, for transport and store and stacking time) between there is contradiction.Having been found that by making all wall of container only slightly towards outside sweep, just can significantly improve shape stability and the rigidity of packing container than the conventional packing container with planar wall.Therefore, determine that the radius of curvature of the up/down end margin of wall of container curvature is preferably selected to the shape making wall of container have almost plane, this means that customer feels that wall of container is plane.

As described herein, at least one in container wall portion has the radius of curvature of 200mm-700mm, such as 300mm-500mm, this means that container wall portion is almost plane.When from usual sighting distance viewing, such as, when placing on the top of the shelf, the wall portion of naked eyes sensation almost plane is plane.All body wall portions are that the packing container of almost plane feels it is cubic shaped haply, that is, human eye will see that container body has sidewall and the bottom of square or rectangular.

The rigidity plastics of welding disclosed herein on the inside face of container body wall is reinforced wheel rim and contribute to the shaping and stable of flexible cardboard packaging body edge of opening, thus ensure that container body wall has required shape, especially ensure that container body wall can be endowed predetermined and stable curvature.In the corresponding way, when packing container disclosed herein has bottom rim, this bottom rim contributes to the shaping and stable of container body bottom margin and container body wall further.As described herein, the rigidity plastics by making body wall edge meet with required bottom profile shape reinforces wheel rim, and this packing container can be provided with any required tubular.Container body shape alternatively can by having required bottom profile and the rigid bottom wheel rim being connected to container body on container bottom rim is stablized further.

Accompanying drawing explanation

, also set forth the utility model further with reference to accompanying drawing by non-limiting example below, wherein:

Fig. 1 shows the front view of packing container;

Fig. 2 shows the transparent view of the packing container of Fig. 1;

Fig. 3 shows the transparent view of the packing container of the Fig. 1 with uncap;

Fig. 4 shows the exploded drawings of the packing container of Fig. 1;

Fig. 5 shows the birds-eye view of the packing container of Fig. 1;

Fig. 5 A shows the cutaway view intercepted along the line A-A in Fig. 5;

Fig. 5 B shows the cutaway view intercepted along the line B-B in Fig. 5;

Fig. 5 C shows the details with the upper reinforcing wheel rim of connection and the container rim of cap assemblies intercepted at the C place of Fig. 5 A;

Fig. 5 D shows the details with the upper reinforcing wheel rim of connection and the container rim of cap assemblies intercepted at the D place of Fig. 5 A;

Fig. 5 E shows the details with the upper reinforcing wheel rim of connection and the container rim of cap assemblies intercepted at the E place of Fig. 5 B; And

Fig. 6 A-Fig. 6 C shows the bottom profile of optional packaging body.

Detailed description of the invention

Should be understood that, accompanying drawing is schematic, and each assembly (such as, material layer) is not necessarily proportionally drawn.Packing container shown in accompanying drawing, reinforcing wheel rim and cap assemblies are only provided as example and should be considered as restriction of the present utility model.Therefore, scope of the present utility model is only indicated in the appended claims.

See Fig. 1-Fig. 4 and Fig. 5 A, show a kind of cardboard container 1 of the dumpable bulk solid that maybe can scoop.The concrete shape of the container 1 shown in accompanying drawing should not be considered as restriction of the present utility model.Therefore, any available shape or size can be had according to cardboard container of the present utility model.By example, Fig. 6 A-Fig. 6 C shows the bottom profile of other non-limiting container body.

Packing container 1 comprises the container body 2 formed by tubular container wall 3, and tubular container wall 3 comprises front wall portion 3a, rear wall parts 3b and two sidewall portions 3c, 3d.Wall of container 3 extends to the container body edge of opening 5 of container body opening 6 along the short transverse H of packing container 1 from container body bottom margin 4.Wall of container 3 has inside face 7 and outside face 8, inside face 7 towards compartment 11 in packing container 1, and outside face 8 dorsad in compartment 11 be exposed to the outside of packing container 1.Bottom margin 4 place of container body 2 is provided with chassis 9.The paper board material that container body 2 is limited by the utility model is made.Container body 2 can be formed in the following manner: gathered together by the lateral edges of board web, makes material present tubulose, then is sealed by lateral edges.Lateral edges can by any proper method sealing known in the art, and such as welding or bonding, wherein welding is preferred.The sealing of the lateral edges of container body web can comprise use sealing band known in the art.Chassis 9 can be made up of any appropriately combined of cardboard, metal, plastics or these materials known in the art.

Container body bottom margin 4 is reinforced by plastic bottoms wheel rim 10, on the inside face 7 that plastic bottoms wheel rim 10 is applied to wall of container 3 and between chassis 9 and container body bottom margin 4, plastic bottoms wheel rim 10 has flange 12 outwardly, and flange 12 covers container body bottom margin 4 and defines the bottom margin 13 of packing container 1.Bottom rim 10 strengthens container body cardboard bottom edge 4, and the shape of firm container body 2 also makes container body bottom margin 4 avoid mechanically deform.Plastic bottoms wheel rim 10 is also used as the protection barriers of water or other fluid that the surface of placing packing container exists.Bottom rim 10 defines the space opened wide downwards between the chassis 9 and bottom margin 13 of described packing container 1, two or more packing containers self stacking time, this space can be used for holding the laminated components being arranged on another packing container upper end.

As the alternative of plastic bottoms wheel rim, the bottom margin of packing container can be formed by the rolling edge of cardboard packaging body, or can be provided by the attaching parts of the simple non-rolling between chassis 9 and container body 2.

Cardboard container 1 is provided with the closing device comprising lid 14 and upper reinforcing wheel rim 15, upper reinforcing wheel rim 15 extends along container body edge of opening 5 and defines the periphery of container entrance 35, and container entrance 35 is less than the container body opening 6 limited by the upper limb 5 of container body 2.

Upper reinforcing wheel rim 15 is preferably plastics wheel rim, is more preferably themoplasticity wheel rim, and is arranged on the inside face 7 being positioned at container body opening 6 place of container body wall 3.Upper reinforcing wheel rim 15 has extension on the short transverse H of container 1, and has the lower rim part 16 with the lower rim edge 17 towards container bottom 9, and with the upper rim section 18 at the upper wheel rim edge 19 of container bottom 9 dorsad.Upper reinforcing wheel rim 15 extends around the whole periphery of container body opening 6.Upper rim section 18 projects upwardly to the top of container body edge of opening 5 along short transverse H, the upper upper limb 19 reinforcing wheel rim 15 is positioned at above container body edge of opening 5 on the short transverse H of packing container 1 thus.

Upper reinforcing wheel rim 15 is connected to the inside face 7 of wall of container 3 by the frit seal 20 extended around vessel port 6.Frit seal 20 preferably extends continuously around container body opening 5, and spills frit seal for anti-, is preferably moistureproof frit seal, most preferably is air-tightness frit seal.

Frit seal 20 is formed in the following manner: provide energy with heating and the coating in local softening or heat of fusion plasticity wheel rim 15 and/or on the inside face 7 of container body wall 3 or the one or more thermoplastic components in film, then will reinforce wheel rim 15 and wall of container 3 force together on the direction perpendicular to wall of container 3.Can control and regulate temperature and pressure, to be formed firm and to seal closely and do not damage bead mount.Thermoplastic material for the formation of frit seal 20 can reinforce wheel rim 15 by all or part of themoplasticity to be provided, thered is provided by the thermoplastic film on the inside face 7 of wall of container 3 or coating, or reinforce wheel rim by all or part of themoplasticity simultaneously and provided by the thermoplastic film on the inside face 7 of wall of container 3 or coating.Plastic consolidation wheel rim 15 is preferably by can such as make its thermoplastic material heating shaping make by injection mo(u)lding.Injection molding process may be used for being formed in the plastic assembly in the different piece of plastic assembly with different polymers compositions.Such as, can being formed by softening point and the melting point polymers compositions lower than other parts of reinforcing wheel rim with the surface of container body welding of plastic consolidation wheel rim.In addition, the adjacent surface on upper reinforcing wheel rim 15 can be formed by elastomeric thermoplastic polymers.Can use any suitable fusion techniques, such as ultrasonic welding or high frequency welding, wherein high frequency welding is preferred.

Lid 14 is formed by outer cover 14a and interior cover piece 14b.Outer cover 14a is the section component having 3D shape and provide the upper outside surfaces 25 of lid 14.As shown in Figure 4, outer cover 14a has inside face 26, and inside face 26 comprises reinforcing rib pattern 27.Interior cover piece 14b is square position.Interior cover piece 14b has inner cap surface 24, and when lid 14 closed container entrance 35, inner cap surface 24 is towards base plate 9.

Outer cover 14a is connected with framed structure 30 by articulation piece 29, and lid 14 forms cap assemblies 31 together with framed structure 30.With reference to figure 5D, shown articulation piece 29 is depicted as and upper cover piece 14a and the integrally formed living hinge of framed structure 30, as the flexible-disc joint between upper cover piece 14a and framed structure 30.As described herein, shown articulation piece is only used as non-limiting example, and the function articulation piece that should be understood to any other type may be used to connecting frame structure and lid.In addition, lid for can remove type, and can be connected without any permanent with between framed structure.

Framed structure 30 container body edge of opening 5 place to be used on packing container and by be fastened and connected with on reinforce wheel rim 15 and be mechanically connected.After the welding of reinforcing wheel rim 15 is on the inside face 7 of cardboard packaging wall 3, framed structure 30 is connected with upper reinforcing wheel rim 15.Therefore, can in assembling and the later stage connecting frame structure of process of filling packing container disclosed herein.As described in more detail with reference to figure 5E in this article, framed structure 30 is applied on reinforcing wheel rim 15 in the following manner: framed structure 30 be pressed in downwards on the upper limb 19 of upper reinforcing wheel rim 15, until framed structure 30 is locked in the correct position of reinforcing wheel rim 15.When framed structure 30 has been connected on upper reinforcing wheel rim 15, can only remove by destroying or damage this connection.

Interior compartment 11 shown in Fig. 3, Fig. 5 A and Fig. 5 B is sealed by removable diaphragm seal 33 wholly or in part, and this removable diaphragm seal is applied to the top of connection with wrapping of piece 34 and is sealed on container body wall 3.Removable diaphragm seal 33 can connect on the wall from the top of container body 2 or from the bottom of container body 2.In order to first obtain connection with wrapping of piece, user needs to open lid 14, exposes connection with wrapping of piece 34 by removing diaphragm seal 33 wholly or in part.Diaphragm seal 33 can be arranged to peel off from the wall 3 of container body 2, or the device that can be provided with for destroying film 33 can be removed from opening 6 at least partly to make it.This device can be the form of one or more predetermined thin spot, and such as perforation or part are by the otch of film.When film is tearing mode, the narrow wall part of diaphragm seal divides can be stayed on the inside face 7 of wall of container 3.Any this residual fraction of diaphragm seal should not be preferably very large, so that it extend in the entrance limited by the inner peripheral of upper reinforcing wheel rim.Therefore, preferably, residual film part has the extendible portion of the short transverse H perpendicular to packing container, the maximum 7mm of this extendible portion, such as 1mm-6mm, 2mm-5mm or 3mm-4mm.Preferably, the inwardly-extending portion of residual film part is divided into 4mm or less.Diaphragm seal 33 is optional features of disclosed packing container 1, and can omit.

Once eliminate diaphragm seal 33, be so enough to open lid 14 to be obtained the connection with wrapping of piece 34 in interior compartment 11 by entrance 35.As represented shown in the Fig. 3 inside upper reinforcing wheel rim 15, the area of entrance 35 is limited by the inner peripheral 28 of upper reinforcing wheel rim 15 or Internal periphery.Because the inside face 7 that upper reinforcing wheel rim 15 is applied to container body wall 3 increases the thickness of container body wall, in the inward direction so the area of entrance 35 is less than the area of container body opening 6 all the time.Upper reinforcing wheel rim 15 shown in Fig. 3 and Fig. 4 has the scraper combination and spoon frame 40 that extend across the bight reinforcing wheel rim 15.This scraper combination and spoon frame 40 have the scraping 41 for wiping thing unnecessary scooping off from spoon or spoon, and for receiving and remain on the hole 42 of the hook element 43 that spoon or spoon 44 end are arranged.Scraper combination and spoon frame 40 are selectable units of packing container 1 disclosed herein.

When packing container 1 is opened, from packing container 1, can take out, scoop out with spoon or spoon or pour out by entrance 35 connection with wrapping of piece 34 of aequum with hand.If use spoon or spoon, the spoon that so can provide together for companion packing container or spoon.Spoon or spoon initially can be placed on diaphragm seal 33 (if existence), can be connected in inner cap surface 26 removedly or can be connected on spoon frame 40 as shown in Figure 3.Spoon or spoon 44 can have hook element 43, this hook element can be arranged to coordinate with the hole 42 in scraper combination and spoon frame 40, thus as described above, spoon or spoon 44 can be connected to be reinforced on wheel rim 15, thus in the inclusion preventing the handle of spoon or spoon 44 from dropping between delivery time in packing container.User finds, can take out spoon from container, and not need to dig out spoon from the residue inclusion of packing container, be more attractive and more healthy.The advantage that this maintenance function combines with scraper plate function be, scraper combination and spoon frame 40 take the open area of entrance 35 with minimizing.Therefore, even if be equipped with scraper combination disclosed herein and spoon frame 40, packing container also can have large entrance, is more convenient for like this from packing container, taking out inclusion by scooping out or toppling over.

The open area of entrance 35 can be the 85%-99% of the open area of container body opening 6, the such as 90%-98% of container body open area, or the 94%-97% of container body open area.

The tight closure between lid 14 and container body 2 is provided by the first adjacent surface 51 on upper wheel rim edge 19 and corresponding second adjacent surface 52 be arranged in inner cap surface 24.The first adjacent surface 51 on upper reinforcing wheel rim 15 is arranged to: when covering in the close position on container entrance 35, the first adjacent surface 51 adjoins with the second adjacent surface 52 on lid 14, and is formed between upper reinforcing wheel rim 15 and lid 14 and seal.

In order to make lid 14 remain fixed between delivery time in make position, as shown in figs. 5 a and 5 c, the closing device of packing container 1 can also comprise blocking device 45.As shown in Figure 5 C, blocking device 45 can comprise locking member 45a and the locking member 45b of pairing.Lid 14 is provided with convex locking member 45a, framed structure 30 is provided with female locking elements 45b, framed structure is connected with container body 2 indirectly by being mechanically mounted on upper reinforcing wheel rim 15.Convex locking member 45a is made up of one or more projection, and be such as arranged on the one or more projection on locking flap 46 or rib, female locking elements 45b is made up of the one or more corresponding chamber be arranged in framed structure 30 or groove.Blocking device 45 is preferably designed to and applies power by the junction by the first adjacent surface 51 and the second adjacent surface 52 force together between lid 2 and upper wheel rim edge 19.

Cardboard container 1 shown in Fig. 1-Fig. 4 can be stacked on another this packing container 1 in the following manner: bottom rim 10 be placed on the ledge 55 at the periphery place of top outer cap surface 25, bottom rim 10 forms with ledge 55 stacked components matched thus.As shown in Figure 1, Figure 2, shown in Fig. 5 A and Fig. 5 D, the part be positioned at inside ledge 55 of lid 14 forms the jut from ledge 55 place plane, and this plane can be considered to the level reference of lid 14.When a packing container 1 is stacked on another same package container, in the space that the bottom place that the jut covering 14 is contained in stacking package container is completely limited by chassis 9 and bottom rim 10.Therefore, packing container can be stacking safely each other with stable horizontal arrangement, and namely toilet cover 14 has 3D shape.When cap assemblies 31 is in the close position, it also can be stacking separately in the following manner: be placed on by the lower edge of a framed structure 30 on the ledge of the top outer cap surface of upper cover piece 14a.

The setting of cap assemblies 31 on upper reinforcing wheel rim will be described in more detail.Fig. 5 A shows the cutaway view that the line A-A along the packing container shown in Fig. 5 intercepts, that is, by cutaway view that the blocking device 45 of packing container 1 front portion and the articulation piece between the upper cover piece 14a at packing container 1 rear portion and framed structure 30 intercept.In these specific regions, between upper reinforcing wheel rim 15 and cap assemblies 31, there is no mechanical engagement.Fig. 5 B shows the cutaway view that the line B-B along the packing container shown in Fig. 5 intercepts, that is, along the cutaway view that the bight of packing container intercepts.Fig. 5 C, Fig. 5 D and Fig. 5 E show the details be combined in the region of blocking device 45, in the region of articulation piece 29 and in the part not having these supplementary features of the framed structure 30 and upper reinforcing wheel rim 15 intercepted from Fig. 5 A and Fig. 5 B.

Concrete reference shows Fig. 5 E of the connection between reinforcing wheel rim 15 and framed structure 31, the bottom 16 of upper reinforcing wheel rim 15 is for good and all connected on the inside face 7 of wall of container 3 by welded side seam 20, make to reinforce the lower edge 17 of wheel rim 15 on short transverse H down, and reinforce the upper limb 5 of the top 18 propelling container wall 3 of wheel rim 15.The upper limb 19 reinforcing wheel rim 15 forms the first adjacent surface 51, first adjacent surface 51 and adjoins with the second adjacent surface 52 of the inside face 24 of interior cover piece 14b.Therefore, lid 14 makes packing container 1 close by forming tight seal between upper reinforcing wheel rim 15 and the inside face 24 of lid 14, framed structure 30 provides the connection of lid 14 and can be shaped and be configured to carry hinged member, locking member and stack device and not consider to provide the tight closure between lid with container simultaneously.Frit seal 20 is formed closely in the inner side of container 1, free of contamination sealing, and guarantees that the sealing between the lid 14 closed and container compartment 11 is tight seal, and this means can also this packing container of tight seal after packing container is opened first.

Fig. 5 E shows the upper reinforcing wheel rim 15 with evagination spine 58, and this evagination spine 58 is arranged in when framed structure 30 is pressed in downwards on reinforcing wheel rim 15 and engages with the lock flange 59 of the upper edge of framed structure 30.Once framed structure 30 has been pressed in completely downwards on reinforcing wheel rim and lock flange 59 in framed structure 30 has moved through the spine 58 on reinforcing wheel rim 15 and has been buckled into lock with spine 58 and engages, so framed structure 30 by maintenance with reinforce wheel rim 15 and be mechanically connected.Can be firmly destroy or damage this connection from reinforcing the unique method that wheel rim 15 removes buckling frame shelf structure 30.

The shape of packing container disclosed herein is not limited to the rectangular shape with fillet shown in Fig. 1-Fig. 3.More non-limiting examples of applicable shapes have been shown in Fig. 6 A-Fig. 6 C.Fig. 6 A illustrates the container body 2a with roughly D shape bottom profile, and this bottom profile has bandy front wall portion 3a that radius of curvature is 120mm, is 25mm and radius of curvature at rear wall parts 3b place is bending bight, the planar side wall portion 3c and 3d and flat rear wall portion 3b of 20mm at the radius of curvature at front wall portion 3a place.

The container body 2b of Fig. 6 B has bending bight that radius of curvature is 20mm, radius of curvature is 150mm bending front wall portion 3a and curved rear wall portion 3b and planar side wall portion 3c and 3d.

The slight curving front wall portion 3a that the container body 2c of Fig. 6 C has bending bight that radius of curvature is 20mm, radius of curvature is 400mm and rear wall parts 3b and radius of curvature are slight curving sidewall portion 3c and 3d of 200mm.Therefore, all container body wall portion 3a-3d in Fig. 6 C are slightly towards outside sweep.Compared with the conventional packing container with planar wall, the container body with the bottom profile shown in Fig. 6 C improves shape stability and rigidity.The radius of curvature of upper body mural margin and lower body mural margin determines the curvature of wall of container and can be chosen as the larger radius of curvature with about 200mm-700mm, such as 300mm-500mm, wall of container is made to have the shape of almost plane, this means when from normal viewing distance viewing container, such as when packing container is placed on the top of the shelf, people feel that wall of container is plane.

The rigidity plastics of welding disclosed herein on the inside face 7 of container body wall 3 reinforces wheel rim 15 and contributes to the shaping and stable of container body edge of opening 5, and ensure that container body wall has required shape, especially ensure that container body wall can be endowed predetermined and stable curvature.According to corresponding mode, when packing container disclosed herein has bottom rim 10, this bottom rim 10 also contributes to the shaping and stable of container body bottom margin 4.

Any plastic assembly of packing container disclosed herein, such as above reinforces wheel rim and lower reinforcing wheel rim, cap assemblies and framed structure, can by can hot forming or mouldable plastic material such as be made by the mode of injection mo(u)lding.Injection mo(u)lding is particularly suitable for producing the plastic assembly with three-dimensional structure, such as, cap assemblies 31 shown in Fig. 4.

Should be understood that, lid structure shown in this article is optional for packing container of the present utility model.Specifically, the lid of packing container disclosed herein can manufacture does not have interior stiffening frame, single parts can be manufactured, can be integrally formed with plastic frame structure and articulation piece as shown in Figure 4, or can manufacture the separate part with hinged member, wherein this hinged member is used for being formed with container body or the independent framed structure be connected on upper reinforcing wheel rim 15 being articulated and connected.

It is to be further understood that the three-dimensional profile of lid can be different from shown in the drawings.

Packing container disclosed herein can manufacture in the following manner and fill: form tubular container body by paperboard sheets, the open end of container body by the welding of upper reinforcing wheel rim on the inside face of cardboard packaging body wall, then diaphragm seal is applied on the inside face of container body wall, sealing film stride across container body opening and with upper reinforcing wheel rim in a distance, thus container body opening to be closed.Then, packing container is spun upside down, fill powdery inclusion from the bottom of container body, close with the bottom of chassis by container body afterwards, and, optionally reinforcing bottom rim is applied to the bottom of container body.Then, the framed structure that the packing container of filling can be made to be provided with machinery or bonding way be connected with upper reinforcing wheel rim.The top that lid also can be connected to container body opening forms the tight closure with upper reinforcing wheel rim to make it.Lid can be arranged to independent assembly, or can be arranged to the integral cover assembly also comprising framed structure.

The advantage of lid structure disclosed herein is, cap assemblies or framed structure can be filled at container and surround to be connected to after inclusion is closed and reinforce on wheel rim.In this manner, cap assemblies or framed structure damaged least risk in production and filling process can be made.And, by processing later stage connection cover assembly or framed structure, packing container can be filled from the bottom of container body, this means that diaphragm seal can be applied in packing container before filling container.The advantage that diaphragm seal is applied in packing container before with pulverulent material packing container is do not have the risk that the sealing between film and wall of container is polluted by pulverulent material.In addition, drop to the risk in, space between lid with diaphragm seal outside at diaphragm seal without any for packaging powdered material, if arrange diaphragm seal after packing container, so this risk may occur.Compared with the completely clean container in space between diaphragm seal with lid, user opens some inclusion of the concurrent present diaphragm seal outside of new packing container first time, can think this container not too health and reliable.

Claims (20)

1. the cardboard container for bulk solid (34) (1), described packing container comprises the container body (2) with the wall of container (3) extending to container body opening (6) along the short transverse (H) of described packing container (1) from container bottom rim (4), with the closing device with lid (14), described wall of container (3) has the outside face (8) towards the inside face (7) of the interior compartment (11) in described packing container (1) and described interior compartment (11) dorsad, described container body (2) has container body edge of opening (5) at described container body opening (6) place, described container body opening (6) place reinforces wheel rim (15) and is applied to described container body (2), described upper reinforcing wheel rim (15) extends along described edge of opening (5) and defines the circumference of container entrance (35), it is characterized in that,

Described upper reinforcing wheel rim (15) is connected to the inside face (7) of described wall of container (3) by frit seal (20), described frit seal (20) extends around described container body opening (6);

Described upper reinforcing wheel rim (15) has the extendible portion in the short transverse (H) of described packing container (1) and comprises the upper limb (19) towards the lower edge of container bottom (9) (17) and described container bottom (9) dorsad;

The upper limb (19) of described upper reinforcing wheel rim (15) comprises the first adjacent surface (51);

Described lid (14) comprise when described lid (14) described container entrance (35) upper in the close position time towards the inner cap surface (24) of described container bottom (9), with when the outer cap surface (25) of described lid (14) described container bottom (9) dorsad when described container entrance (35) is gone up in the close position;

Described inner cap surface (24) comprises the second adjacent surface (52);

The first adjacent surface (51) on described upper reinforcing wheel rim (15) be arranged to when described lid (14) described container entrance (35) upper in the close position time adjacent with described second adjacent surface (52) on described lid (14), and reinforce on described when described lid (14) is in described make position on described container entrance (35) to be formed between wheel rim (15) and described lid (14) and seal.

2. cardboard container according to claim 1, it is characterized in that, the upper limb (19) of described upper reinforcing wheel rim (15) is arranged on the top of described container body edge of opening (5) in the described short transverse (H) of described packing container (1).

3. cardboard container according to claim 1 and 2 (1), it is characterized in that, the described frit seal (20) be positioned between described upper reinforcing wheel rim (15) and described wall of container (3) spills frit seal or air-tightness frit seal for anti-, and anti-the spilling that be sealed between described first adjacent surface (51) and described second adjacent surface (52) seals or airtight sealing.

4. cardboard container according to claim 1 and 2 (1), is characterized in that, described frit seal (20) extends continuously around described container body opening (6).

5. cardboard container according to claim 1 (1), it is characterized in that, described packing container (1) also comprises framed structure (30), described framed structure (30) is applied on described packing container (1) at described container body edge of opening (5) place, and is mechanically connected with described upper reinforcing wheel rim (15).

6. cardboard container according to claim 5 (1), it is characterized in that, described framed structure (30) forms a part for cap assemblies (31), described cap assemblies also comprises cover piece (14a), and described framed structure (30) is connected by articulation piece (29) with described cover piece (14a).

7. the cardboard container (1) according to claim 5 or 6, is characterized in that, the connection between described framed structure (30) and described upper reinforcing wheel rim (15) is fastened and connected.

8. cardboard container according to claim 1 and 2 (1), it is characterized in that, described packing container (1) comprises inner peelable or openable diaphragm seal (33), forms cross-sectional plane and seal between the interior compartment (11) of the peelable or openable diaphragm seal (33) in described inside in described container body (2) and described vessel port (6).

9. cardboard container according to claim 8 (1), it is characterized in that, described packing container (1) is airtight package (1), and the peelable or openable diaphragm seal in described inside (33) is the peelable or openable diaphragm seal (33) of air-tightness.

10. cardboard container according to claim 1 and 2 (1), is characterized in that, described first adjacent surface (51) is made up of elastomeric material with the one or both in described second adjacent surface (52).

11. cardboard container according to claim 1 (1), it is characterized in that, described closing device comprises blocking device (45), and described blocking device (45) is configured to make described lid (14) remain closed position at described container entrance (35) place.

12. cardboard container according to claim 11 (1), it is characterized in that, described blocking device (45) comprises the first bar elements be positioned on described lid (14), described first bar elements is configured to engage releasedly with Second-Type profile elements, and described Second-Type profile elements is positioned on described upper reinforcing wheel rim (15) and/or in the framed structure (30) be connected with described upper reinforcing wheel rim (15).

13. cardboard container according to claim 12 (1), it is characterized in that, described blocking device (45) is included in the second locking member (45a) described upper reinforcing wheel rim (15) or described framed structure (30) being arranged on the first locking member (45b) on described container body (2) and being arranged on described lid (14), described first locking member (45b) and described second locking member (45a) are the locking members (45b, 45a) of pairing.

14. cardboard container according to claim 1 and 2 (1), is characterized in that, described inner cap surface (24) is made up of inner washer cover piece (14b, 28).

15. cardboard container according to claim 1 and 2 (1), it is characterized in that, described upper reinforcing wheel rim (15) from the described upper limb (19) reinforcing wheel rim (15) on the direction of the lower edge (17) of described upper reinforcing wheel rim (15) or from the described described lower edge (17) reinforcing wheel rim (15) to the direction of the described upper limb (19) of described upper reinforcing wheel rim (15), there is tapered shape.

16. cardboard container according to claim 1 and 2 (1), is characterized in that, the frit seal (20) between described upper reinforcing wheel rim (15) and described wall of container (3) is formed by high frequency welding.

17. cardboard container according to claim 1 and 2 (1), it is characterized in that, the Internal periphery of described upper reinforcing wheel rim (15) defines the shape and size of described container entrance (35), and described container entrance (35) is less than described container body opening (6) and the open area had is the 85%-99% of the open area of described container body opening (6).

18. cardboard container according to claim 1 and 2 (1), it is characterized in that, described packing container (1) comprises the stacked components (10 of pairing, 55) to make packing container described in two or more (1) be arranged in stacked structure, the stacked components (10,55) of described pairing is arranged on described container bottom (9) and described container body opening (6).

19. cardboard container according to claim 1 and 2 (1), is characterized in that, described packing container is the container for powdery or granule state food.

20. cardboard container according to claim 1 and 2 (1), is characterized in that, lower reinforcing wheel rim (10) is attached to described container body (2) at described container bottom rim (4).