DE69913172T2 - SHELL AND CUT FOR THIS - Google Patents

Abstract

A tray and a blank (10) for forming a tray for holding foodstuff or the like which tray is formed from paperboard or like foldable sheet material and can be erected from a flat collapsed condition into a position of use. The tray comprises a plurality of panels (20, 14) including inner and outer base panels (20, 14) secured together and wherein one of the base panels includes a securing portion for securing to the other of said base panels, a lateral margin (72, 74) and a plurality of rib panels (76, 78, 94, 96) foldably interconnecting said securing portion to said lateral margin (72, 74). The lateral margin (72, 74) and rib panels (76, 78, 94, 96) are moveable relative the other of said base panels, such that the rib panels (76, 78, 94, 96) are moved out of alignment with the base panel to form a rib (75, 86), which rib (75, 86) is automatically erected when the tray is erected into the position of use.

Description

The invention relates to a box (or a bowl) for storing food, for example Fish or meat, and especially a box made from one or several blanks of cardboard or another suitable foldable sheet material is formed.

From WO 93/15962 it is known a liquid-impermeable packaging tray To provide, which is made of solid cardboard, the one Base panel which is surrounded by and through side and end wall structures a bezel assembly is connected to one for food maintain a tight seal and prevent liquid from due to capillarity ascend.

Shell structures made of cardboard are generally lacking in strength in comparison to trays made of plastic material. Hence bowls frequently made of polystyrene or other plastic materials.

Another problem is that an undesirable excess of food liquid, e.g. B. blood or water. A solution is in EP 0 662 066 shown where a food support is shown comprising a first layer made of cardboard and a second layer attached to the first layer, the second layer comprising a touch-impermeable layer. The resulting complex layer includes a plurality of perforations that extend fully through the impervious layer and partially penetrate the cardboard to allow liquids to be absorbed by the box or plate.

The present invention strives with its preferred embodiment then solve the problems inherent in the prior art or at least mitigate.

One aspect of the invention is Bowl ready to accommodate food or the like, the shell made of cardboard or the like foldable sheet material is formed and from a flat, folded Condition can be erected in a position of use. The Sheep covers a variety of wall surfaces including each other paved inner and outer floor panels and opposite side and end panels. One of the floor panels includes a side edge and one or more rib wall surfaces, which are articulated to the side edge, the side Edge and one or more rib wall surfaces relative to the other Base panel are movable, so that one or more rib wall surfaces the alignment is moved out with one of the floor panels, to form a rib. One of the floor panels closes an attachment portion one to attach it to the other of the floor panels, and the side edge is attached to an adjacent side panel, to cause the rib to erect automatically when the side wall is erected in the use position.

An advantage of the shell of the first Aspect of the invention is that the entire shell structure is strengthened by one or more ribs (or radiation structures) and this minimizes slipping of the food pieces when the bowl is in is placed vertically on the supermarket shelves. The use of Cardboard allowed the bowl for promotional purposes to print, and represents an "environmentally friendly" alternative to plastic materials ready.

According to an optional feature In this aspect of the invention, the rib can be formed from the inner bottom panel become and in the erect state one alongside extending wall surface section define.

According to another optional Feature of this aspect of the invention, the rib can be a pair of Rib panels include, which are foldably connected together to form a substantially V-shaped Cross section of the long side extending wall surface section define. Alternatively, the rib can comprise three rib wall surfaces, which are foldably interconnected to one another yoke-shaped Cross section of the long side extending wall surface section define.

According to another optional A feature of this aspect of the invention can be the side edge a side wall and it can be caused to The rib is automatically erected by the side wall the alignment is folded with the floor panels.

According to another optional Feature of this aspect of the invention, the sidewall can be an interior Sidewall surface include the foldable along a first fold line with the side Edge of the inner bottom wall surface is connected, and an outer side panel, which connected to the outer bottom panel along a second fold line is, the inner and outer side wall surface with each other are attached with the first and second fold lines offset, so that the side edge of the inner bottom wall surface is facing up extends and spaced from the outer bottom wall surface is to define a space. Preferably, the Clearance adjusted, liquid of food and optionally the space can absorbent include to the liquid to absorb.

According to another optional feature of this aspect of the invention, the shell may include a plurality of perforations on the inner bottom panel and / or the first fold line, to facilitate the movement of liquid away from the food, which is absorbed by absorbents located between inner and outer bottom wall surfaces.

According to another optional Feature of this aspect of the invention the rib may be adapted to one between the inner and outer bottom wall surface Define space. The intermediate space can preferably be adapted be liquid to absorb from the food.

According to yet another optional feature In this aspect of the invention, the gap absorbent lock in, to the liquid to absorb.

According to another one optional feature of this aspect of the invention may be the rib the outer bottom wall surface be and in the erected state a longitudinally extending support beam define.

A second aspect of the invention provides a blank for forming a shell, the inner one and includes outer floor panels, Pairs of opposite Side and end panels, which are connected to the outer bottom wall surface are, as well as end closure arrangements that are adapted with each side panel adjacent end panels connect to. The inner bottom wall surface closes a side edge and at least a rib wall surface one that is articulated with the lateral distance. The lateral edge and which are at least one rib wall surface movable relative to the outer bottom wall surface, so that the at least one rib panel is out of alignment with one floor panel is movable to form a rib. One of the floor panels closes the row after the side edge, one or more rib wall surfaces and a fastening section for fastening to an outer bottom wall surface, which are hinged in order, and the side edge is adapted to be attached to an adjacent side panel to cause the rib to erect automatically when the Sidewall is erected in the use position.

According to an optional feature In the second aspect of the invention, the blank can also be a inner side wall surface include that along the side edge of the inner bottom panel the first fold line is foldably connected, and an outer side panel, which foldable along a second fold line with the outer bottom panel is connected, wherein the inner and outer bottom wall surface to each other are attached so that the first and second fold lines are offset are, with the first fold line over the outer side wall surface.

A third aspect of the invention provides a method of forming a shell from a blank ready, the shell comprising a plurality of wall surfaces including mutually attached inner and outer floor panels and opposed Side and end panels, being one of the bottom wall panels includes a side edge as well as one or more rib wall panels that can be folded with the side Edge are connected, the side edge to an adjacent Sidewall surface is attached, the method comprising the following steps: Folding the side walls inside to cause the side edge and the one or several rib wall surfaces move relative to the other bottom wall surface, thereby causing the one or more rib wall surfaces out of alignment with one floor panel to move one Train rib.

Exemplary embodiments according to the invention are exemplified below with reference to the figures described.

1 Figure 3 is a top view of a blank for forming a box according to a preferred embodiment of the invention.

2 and 3 show one from the in 1 shown blank trained box during folding.

4 is an isometric representation of a box made from the in 1 shown blank is formed.

1 shows a blank 10 to form a collapsible tray or box made from one or more blanks of cardboard or similar foldable sheet material. The cut 10 includes a first outer side wall surface 12 , an outer bottom wall surface 14 , a second outer side panel 16 , an inner side panel 18 , an inner bottom wall surface 20 and a second inner side panel 22 that along the fold lines 24 . 26 . 28 . 30 respectively. 32 are articulated together. In other embodiments, separate blanks can be used to form the inner and outer wall surfaces.

Preferably, an end wall structure is also included, for example an outer end wall surface 34 that are articulated with a side edge of the outer bottom wall surface 14 along fold line 36 is connected, and a second outer end wall surface 38 that are articulated with the opposite side edge of the outer bottom wall surface 14 along the fold line 40 connected is. Preferably, any outer end panel 34 . 36 also a support flap 42 . 44 include that along distal edges of the outer end flaps 34 respectively. 36 along fold lines 46 and 48 is positioned.

Suitable fasteners for connecting the end and side panels are provided. In this embodiment, a pair of opposing mounting flaps 50 . 52 includes, which are from opposite En that of the outer end panels 34 . 38 extend and with these along the fold lines 54 respectively. 56 are connected. The mounting flaps 50 . 52 border on the outer side wall surfaces 12 . 16 on and are of these by punching line 58 respectively. 60 Cut. The shape of the flaps and the use of punch lines 58 . 60 uses less cardboard.

Likewise, a pair of inner end flaps can be used 62 . 64 included, the flaps 62 . 64 with the inner bottom wall surface 20 are foldably connected along opposite side edges. In this embodiment, the end flap 62 articulated with the inner bottom panel along a central portion of the fold line 66 defined side edge and also the second end flap 64 articulated along a central section of the opposite through fold line 68 defined side edge connected.

The construction of the inner floor wall surface 20 turning, a fastening section 70 for securing the inner bottom panel to the outer bottom panel. In 1 it is arranged in a middle position. Furthermore, at least one side edge 72 . 74 which is separated from the attachment portion by at least one rib panel capable of engaging a rib (or beam structure) 75 . 86 to be folded. In this embodiment, two beam structures 75 . 86 comprises a pair of rib wall panels 76 . 78 . 94 . 96 are formed, each of a set of three fold lines 80 . 82 . 84 ; 88 . 90 . 92 is defined, which extends along the inner bottom wall surface 20 extend. The side edges 72 . 74 are along fold line 80 respectively. 92 with ribbed wall surfaces 78 . 94 foldable connected. attachment section 70 is along fold line 84 respectively. 88 with the other rib wall surfaces 76 . 96 foldable connected. In an erected state, each beam structure has a substantially "V" shaped cross section.

In other classes of embodiments, the Ribs include more (or less) wall surfaces that are customized are one or more ribs with different cross sections to define, for example yoke-shaped or square. In yet other classes of embodiments there may only be one rib, for example in a central portion of the bottom wall surface can be arranged, whereby the mounting portion is shifted to an outer part of the inner bottom wall surface becomes. Alternatively, the or each rib can be formed from the outer bottom panel without departing from the scope of the invention in which it is aimed at using the ribs as a strengthening and / or support element to use.

In this embodiment, the or each ray structure 75 . 86 and the side edges 72 . 74 from the end flaps 62 . 64 through punching line 98 respectively. 100 Cut. As in 1 shown are the fold lines 30 . 32 and the fold lines 80 . 82 . 84 . 88 . 90 . 92 that the ray structures 75 . 86 define, preferably defined in part by a series of interrupted punched-outs to facilitate the folding of the adjacent wall surfaces. The punches can be arranged to help remove excess food liquid.

Yourself in the 2 . 3 and 4 shown structure of the support facing the inner wall surfaces 18 . 20 . 22 . 62 . 64 are around the middle fold line 28 and in a superimposed relationship with the respective outer wall surfaces 16 . 14 . 12 . 42 . 44 folded and secured together by the application of adhesive G or other suitable known means. In the present embodiment, the middle or fastening portion 70 to the outer bottom wall surface 14 through a pair of glue lines 102 attached which, as in 2 shown on the inner fold lines 84 . 88 adjoin. In addition, the inner side panels 18 . 22 to the respective outer side wall surfaces 16 . 12 through a pair of glue lines 104 attached to the fold lines 26 . 24 adjoin. Thus, the box is in a flat, folded condition upon delivery to the user so that it can then be erected to provide a bowl.

The aim is that the box according to the invention through a series of consecutive folding and gluing steps can be formed in a straight line machine, so that it for the completion the box is not necessary is to rotate or invert the box. The folding process is not limited to that described herein and can meet specific manufacturing requirements changed become.

Yourself again 2 turning towards the side edges 72 . 74 and rib wall surfaces 76 . 78 . 94 . 96 the inner bottom wall surface 20 are not on the outer bottom wall surface 14 attached and therefore movable with respect to the outer bottom wall surface 14 , In this embodiment, the inner fold lines are 30 and 32 from the fold lines 24 respectively. 26 in one in 2 shown distance "A", which, as described below, facilitates the construction of the beam structure.

The box (or tray) is formed by folding the side panels 12/22 and 16/18 around the fold lines 24 respectively. 26 , as in 3 shown to be folded inwards. This folding action "X" and "Y" causes the side edges 72 . 74 from the alignment along the fold lines 30 and 32 be folded out and the rib wall surfaces 76 . 78 ; 94 . 96 the inner bottom panel are moved inward and the outer side panel and bottom panels 16 . 12 . 14 and / or the inner end panels 62 . 64 to squeeze relatively. The rib wall surfaces 76 . 78 . 94 . 96 are thus out of alignment with the fastening cut 70 and the inner bottom wall surface 20 around the fold lines 80 . 82 . 84 . 88 . 90 . 92 folded out so that the ray structures 75 . 86 be erected automatically. In 3 you can see that by straightening the rib 75 . 86 a space 112 is trained. In this embodiment, the side edges 72 . 74 regarding the outer bottom wall surface 14 moved up because of the fold lines 30 . 32 from the respective outer fold lines 26 . 24 , as in 3 shown, are offset. A space (or spacing) 110 is thereby formed between the or each side edge and the outer bottom wall surface.

The aim is for the radiation structure to be automatic can be erected by other than those described above Configurations are used without the scope of the invention to leave. For example, the or each side edge does not have to with the inner side wall surface (s) connected, but could just toast it. If the side panels after are folded inside, the side edges are reflected by the side panels pushed inside. Appropriate means are used to adjust the vertical Movement of the side edges to suppress, for example a hook or a protruding section. In such Embodiments Of course not necessarily a space or spacing is formed when the radiation structures are erected automatically.

To complete the construction of the box of the illustrated embodiment, the end panels are formed by the end panel 34 . 38 around the fold lines 36 . 40 is folded and the end flaps 42 . 44 around the fold line 46 respectively. 48 to be folded inward between the inner end panels 62 . 64 and the end portions of the beam structures 75 . 86 to be ordered. Preferably the end flaps 42 . 44 through radiation structures 75 . 86 and / or side edges 72 . 74 retained. Advantageously, glue is therefore not required around the end flaps 42 . 44 withhold. Finally, the mounting flaps 50 . 52 to the outer side wall surfaces 12 . 16 attached by means of suitable known fasteners to, as in 4 shown to keep the bowl in an erect condition. Food is then loaded into the bowl from above and plastic wrap can be applied to the bowl to seal the packaging.

Thus shows 4 a tray for accommodating food or the like, the tray being made of cardboard or similar foldable sheet material and of an in 2 shown flat collapsed condition in a in 4 shown use position can be erected. The shell includes a variety of wall surfaces including inner and outer bottom wall surfaces secured together 14 . 20 , One of the floor panels 20 closes a side edge 72 a, a mounting section 70 around this to the other bottom wall surface 14 to attach, and at least one rib wall surface 76 . 78 that foldably connects the attachment portion to the side portion. The side edge and the rib wall surface (s) are movable relative to the other bottom wall surface, so that the rib wall surface (s) is / are moved from the plane of the one bottom wall surface to a rib 75 train, taking the rib 75 is automatically erected when the bowl is in the 3 shown use position is erected.

The radiation structures 75 . 86 in the package strengthen the overall tray structure and help prevent the food (e.g. a piece of meat or fish) from slipping when the tray is placed vertically on the supermarket shelf.

The resulting space (or spacing) 112 that of the radiation structure 75 . 86 is generated, and / or the space 100 below the side edges 72 . 74 the inner wall surface provides a spacing between the two-layer layer that can be used to absorb excess food fluid (e.g., blood or water). The goal is that the or each space 112 . 110 can be adapted to accommodate suitable absorbent material, such as an absorbent pad or pouch, preferably during the initial erection process, or by applying an absorbent polymer gel, such as polyacrylamide, during the erection or gluing steps of the box assembly. Alternatively, the inner surfaces that define the gaps 110 . 112 form, be uncoated, so that the foldable web material absorbs the liquid directly.

In one class of embodiments are die cuts or perforations from the inner bottom wall surface 22 punched out to transfer liquid from the surface of the inner bottom panel 22 in the or each space 110 . 112 to support. In other embodiments, liquid can be absorbed by the abutting inner surfaces of the inner and outer bottom panels. In the embodiments in which fold lines 30 . 32 . 80 . 82 . 84 are partly defined by a series of punched holes, the punched holes can support fluid movement.

An advantage of the preferred feature referred to in the previous section is that it allows a space (or void) between the two-layer structure which can be used to absorb excess food liquid and advantageously the mini capillary effect is lubricated.

Advantageously, the above described two-layer embodiment a structure ready that reinforces is to withhold food. The use of cardboard material provides an "environmentally friendly" alternative to trays that are made of plastic material, and the shell can be used for promotional purposes be printed.

One can see that the ones used here References to directions such as "ceiling", "floor", "end", "side", "inner" and "outer" do not refer to the corresponding wall surfaces restrict such an orientation, but only to it serve these wall surfaces to be distinguished from each other. Any reference to an articulated Connection should not be construed as necessarily only designating a single fold line: in fact, the aim is that an articulated connection through one or more of the following can be formed: a score line, a breaking line or a Fold line without departing from the scope of the invention.

The present invention and its preferred embodiment concern an article carrier that is shaped to provide satisfactory strength, to items such as meat or fish certainly with a degree flexibility to keep. The shape of the cut minimizes the amount needed for the box required Cardboard. The articles can manually or mechanically applied to the carrier. It it is conceivable that the invention with a variety of box or shell types can be applied and not to the flat tubular type limited is; for example the flat tubular structure through a structure with longer ones Side and end wall surfaces replaced to be bigger pieces of meat take. Furthermore, can the radiation structures) from the outer wall surfaces of the box be formed and / or include one or more radiation structures without to leave the scope of the invention.

Claims (16)

A tray for storing food or the like, the tray being formed of cardboard or similar foldable sheet material and being capable of being raised from a flat, collapsed condition to a use position, the tray comprising a plurality of panels including inner and outer bottom panels secured together ( 20 . 14 ) and opposite side ( 12 . 16 . 18 . 22 ) and end wall surfaces ( 34 . 38 . 62 . 64 ), one of the bottom wall surfaces having a lateral edge ( 72 . 74 ) and one or more rib wall surfaces ( 76 . 78 . 94 . 96 ) which is foldable with the side edge ( 72 . 74 ) are connected, the side edge and the one or more rib wall surfaces ( 76 . 78 . 94 . 96 ) are movable relative to the other bottom wall surface, so that the one or more rib wall surfaces out of alignment with the one bottom wall surface ( 20 . 14 ) is moved to a rib ( 75 . 86 ), characterized in that one of the bottom wall surfaces has a fastening section ( 70 ) for attachment to the other bottom wall surface and in that the side edge adjoins an adjacent side wall surface ( 12 . 16 . 18 . 22 ) is fixed to cause the rib ( 75 . 86 ) is erected automatically when the side wall is erected in the use position. The shell of claim 1, wherein the rib ( 75 . 86 ) from the inner bottom wall surface ( 20 ) is formed and defines a longitudinally extending wall surface section in the erected state. The shell of claim 2, wherein the rib ( 75 . 86 ) a pair of rib wall surfaces ( 76 . 78 . 94 . 96 ) which are foldably connected to one another in order to define a substantially V-shaped cross section of the longitudinally extending wall surface section. The shell of claim 2, wherein the rib ( 75 . 86 ) comprises three rib wall surfaces, which are foldably connected to one another in order to define a substantially yoke-shaped cross section of the longitudinally extending wall surface section. Shell according to one of claims 2 to 4, wherein the lateral edge ( 72 . 74 ) with a side wall ( 12 . 16 . 18 . 22 ) is connected and causes the rib ( 75 . 86 ) is erected automatically by aligning the side wall with the floor panels ( 20 . 14 ) is folded. The tray of claim 5, wherein the side wall has an inner side wall surface ( 18 . 22 ) that folds along a first fold line with the side edge ( 72 . 74 ) the inner bottom wall surface ( 20 ) and an outer side wall surface ( 12 . 16 ) along a second fold line with the outer bottom panel ( 14 ), and wherein the inner and outer side wall surfaces ( 18 . 22 . 12 . 16 ) are attached to one another, the first and second fold lines being offset so that the side edge ( 72 . 74 ) the inner bottom wall surface ( 20 ) extends upwards and from the outer bottom wall surface ( 14 ) is spaced by a space ( 110 ) define. A tray according to claim 6, wherein the space ( 110 ) is adapted to absorb liquid from the food. A bowl according to claim 7, wherein the bowl is fer numerous perforations on the inner bottom wall surface ( 20 ) and / or the first fold line to aid the movement of liquid away from the food, which is absorbed by the absorbent, which is between inner and outer bottom wall surfaces ( 20 . 14 ) are arranged. Shell according to one of claims 2 to 8, wherein the rib ( 75 . 86 ) is adjusted between the inner and outer bottom wall surface ( 20 . 14 ) a space ( 112 . 114 ) define. A bowl according to claim 9, wherein the space ( 112 . 114 ) is adapted to absorb liquid from the food. Shell according to one of claims 6 to 10, wherein the intermediate space ( 112 . 114 ) Includes absorbent to absorb the liquid. The shell of claim 1, wherein the rib ( 75 . 86 ) from the outer bottom wall surface ( 14 ) is formed and defines a longitudinally extending support beam in the erected state. Blank to form a shell, the inner and outer bottom wall surfaces ( 20 . 14 ) includes pairs of opposite sides ( 12 . 16 . 18 . 22 ) and end wall surfaces ( 34 . 38 . 62 . 64 ) with the outer bottom wall surface ( 14 ) and end closure assemblies adapted to connect each side panel to adjacent end panels, the inner bottom panel ( 20 ) a side edge ( 72 . 74 ) and at least one rib wall surface ( 76 . 78 . 94 . 96 ) that includes the mounting portion ( 70 ) foldably connects to the side portion, the side edge and the at least one rib panel being relative to the outer bottom panel ( 14 ) are movable so that the at least one rib wall surface ( 76 . 78 . 94 . 96 ) from alignment with one floor panel ( 20 . 14 ) is movable around a rib ( 75 . 86 ), characterized in that one of the bottom wall surfaces ( 20 . 14 ) the side edge in sequence, one or more rib wall surfaces and a fastening section ( 70 ) for attachment to the outer bottom wall surface ( 14 ), which are hinged in series, and by fitting the side edge to an adjacent side wall surface ( 12 . 16 . 18 . 22 ) to be fixed to cause the rib ( 75 . 86 ) is erected automatically when the side wall is erected in the use position. The blank of claim 12, wherein the blank further comprises an inner side wall surface ( 18 . 22 ) with the side edge ( 72 . 74 ) the inner bottom wall surface ( 20 ) is foldably connected along the first fold line, and an outer side wall surface ( 12 . 16 ) along a second fold line with the outer bottom panel ( 14 ) is foldably connected, and wherein the inner and outer bottom wall surface ( 18 . 22 . 12 . 16 ) are attached to one another so that the first and second fold lines are offset, the first fold line lying over the outer side wall surface. Cut to form a shell after one of claims 1 to 12. A method of forming a shell from a blank, the shell comprising a plurality of wall surfaces including attached inner and outer bottom wall surfaces ( 20 . 14 ) and opposite side (12, 16, 18, 22) and end wall surfaces ( 34 . 38 . 62 . 64 ), one of the bottom wall surfaces having a lateral edge ( 72 . 74 ) and one or more rib wall surfaces ( 76 . 78 . 94 . 96 ) that folds with the side edge ( 72 . 74 ) are connected, the lateral edge adjoining an adjacent side wall surface ( 12 . 16 . 18 . 22 ), the method comprising the steps of: folding the side panels inward to cause the side edge and the one or more rib panel surfaces ( 76 . 78 . 94 . 96 ) move denwandfläche relative to the other Bo, thereby thereby the one or more rib panels from alignment with the one bottom panel ( 20 . 14 ) to move to a rib ( 75 . 86 ) to train.