DE202014102165U1 - Folding body with integrated support structure made of preferably corrugated or solid board - Google Patents

Abstract

Folding body with integrated support structure, preferably made of corrugated or solid cardboard, with the following features: - The folding body consists of at least four inner support surfaces (1) with attached adhesive support tabs (2) that form the inner support structure and four outer surfaces (3) with an attached adhesive tab (4) and in each case at least two inner cover flaps (5) with at least one attached support flap (6) and at least two outer cover flaps (7) with at least one attached insert flap (8), - the surfaces are each connected via at least one foldable folding line , - the inner support surfaces (1) are connected to the outer surfaces (3) via fold lines (13) and to the adhesive support tabs (2) via fold lines (18), - the outer surfaces (3) to the inner cover flaps (5) are connected via fold lines (19) and with the outer lid flaps (7) via fold lines (20), - the inner support surfaces (1) are in the Essentially trapezoidal, - the imaginary extensions of the fold lines (18) end at the intersection of the fold lines (14 to 17) with the fold lines (13), - the inner support surfaces (1) folded inwards by 180 ° are due to the attached adhesive support surfaces (2) can be connected to each other by gluing, - every second one of the adhesive support straps (2) attached to the inner support surfaces (1) via fold lines (18) is connected to one another in the assembled state, - the inner support surfaces (1) form in the glued and set up position Condition of the folding body from the inner support structure (23), which has the shape of a truncated pyramid and forms the bearing surface for the inner lid flaps (5) and the outer lid flaps (7), the inner support structure (23) automatically being erectable when the folding body is opened and when the folding body is dismantled, it can be folded up again independently - the inner cover flaps (5) form together an insertion slot (9) into which the outer cover flaps (7) can be locked by means of insertion tabs (8), - at least two of the at least four inner support surfaces (1) each have an insertion slot (10) into which the insertion tabs (8) the outer cover flaps (7) can be inserted.

Description

The invention relates to a multifunctional deployable folding body with an integrated, automatically unfolding support structure of preferably corrugated or solid board.

Folding bodies with corrugated or solid cardboard support structures are frequently used where the relatively light surface material is subjected to a high weight load. Use find such supports, for example, folding furniture such as corrugated cardboard stools or display supports in retail.

In this context, both one-piece and two- or multi-part solutions for folding body with supporting elements are known. Accordingly, e.g. Stools are known that allow the use of integrated in the support columns or additional parts, the high weight load of a surface, such as the seat. Furthermore, display supports are known which, depending on the size of the display, are likewise provided with support elements integrated in the blank or in which additionally introduced parts provide the appropriate stability through plug-in mechanisms.

In the utility model DE 20 2006 003 128 U1 , which describes a folding furniture made of corrugated cardboard consisting of at least two parts, the seat is stabilized by a clip-on support cross. To use the folding furniture, a folding body must first be unfolded with corresponding cover flaps and then a support cross of at least two parts are plugged together, which is inserted into the folding body and thus supports the seat of the resulting folding furniture. Due to the construction of the folding furniture described in several parts, both an increased manufacturing and material costs arise. Also, the cost of transport and storage, both for the manufacturer and the customer or user are increased by the need to transport and store several different parts.

In the utility model DE 20 2011 100 620 U1 , which describes a one-piece blank for a foldable stool, two support panels with slot must first be plugged into each other for the erection of the support or the stool and folded towards the inside of the stool. Subsequently, the seat is placed on the support panels and folded over a so-called Umlegelasche, which holds both the support panels in the intended position, as well as any sharp edges covers. Even if it is a one-piece blank, the production waste can be slightly increased by the position of the seat in the blank. Furthermore, the support panels can buckle at the height of the slots, for example, already in the first construction of the stool, especially if the stool is made of corrugated cardboard. The handling during the first construction of the foldable stool described is also complicated by the fact that the two parts of the support panels are first put together and then manually placed under the seat in the correct position. The multiple construction and dismantling of the stool is favored by the one-piece blank and the way the construction or by the proposed folding mechanism, however, it may come at a non-compliance with the folding order when dismantling the stool that a less compact Form for transport by hand arises.

In the utility model DE 20 2007 012 633 U1 , which describes a one-piece, glued blank for a display shelf with high intrinsic stability, the entire construction is supported by having both top and bottom flaps, as well as V-shaped inwardly foldable supports. For further locking inwardly folded form-locking connections are provided. It is therefore an overall closed folding body with full-surface support on the floor or a pallet. A disadvantage of the display base described is that the support, as well as the lid and bottom flaps must be folded and positioned by hand, which leads to an increased cost with a corresponding size of the display. In addition, the so-called form-fitting connection attached to the additional stabilization visually disturbs the external appearance through the externally visible folding straps.

In the utility model DE 200 04 300 U1 , which describes a one-piece and glued blank for a stool made of corrugated cardboard, two opposite outer sides, which serve as a support for the seat, slightly folded V-shaped along the fold line towards the center and then by two cover flaps, when setting up the one-sided bonded blank, which form the seat, locked by means of tabs in position.

In the utility model DE 295 04 807 U1 which describes a one-piece blank for a stool, preferably made of corrugated cardboard, the seat is stabilized by V-shaped to the inside folded, opposing and mated support elements. In a further development of this blank, the seat is reinforced for additional stabilization by another layer of material, which are attached to two sides of the seat and folded by folding to the underside of the seat.

Disadvantages of the support structures in the aforementioned utility models are on the one hand in the field of manufacturing and material costs, which also includes higher production costs. Especially multi-part constructions, eg where the support consists of one or more separately manufactured parts, or one-piece constructions whose individual surfaces are unfavorably positioned in the blank for the production lead to an increased waste.

Other disadvantages are the increased effort in storage and transport, both for the manufacturer as well as for the customer or user, which comes especially in multi-part folding bodies to fruition.

Another disadvantage of the aforementioned utility model is the so-called open wave - ie open material edges - on the stand surfaces of the structures. This has a negative impact on the stability, since it can absorb moisture faster in the material.

In the case of the folding bodies described, there are above all disadvantages for the user in terms of handling, since the supports either have to be folded and inserted separately, such as, for example, in US Pat DE 20 2006 003 128 U1 , or must be put in the right position by hand.

The object of the invention is to propose a multifunctional deployable, one-piece folding body with an integrated, automatically erecting support structure. The user should get with a few simple steps a stable, resilient and reusable as needed folding body. The entire folding body should be easy and cheap, and can be produced with little waste with known methods from the corrugated and carton industry.

The object is achieved by the features in claim 1. In the dependent claims 2 to 6 ausgestaltende features are described.

The folding body with an integrated support structure, preferably made of corrugated or solid board, consists of at least four inner support surfaces with adherent adhesive support tabs forming the inner support structure, four outer surfaces with a trailing adhesive tab and at least two inner lid flaps and at least two outer ones cover flaps. On the inner lid flaps are at least one depending support tab, due to an intermediate Einsteckschlitzes preferably, however, two, and at the outer lid flap at least one depending tab provided. Each second of the adhesive on the inner support surfaces via fold lines adhesive support tabs is connected to each other.

Each surface is connected to another surface via at least one foldable folding line, wherein the inner support surfaces are connected to each other with the outer surfaces and with the adhesive support tabs over foldable fold lines. The outer surfaces are also connected to the inner lid flaps and the outer lid flaps over foldable fold lines. The inner support surfaces are formed due to the lateral adhesive support tabs substantially trapezoidal. The imaginary extensions of the oblique fold lines of the inner support surfaces terminate at the intersection of the fold lines at the corners of the outer surfaces. The in the application state by 180 ° inwardly folded inner support surfaces are connected by the adhesive support surfaces together by gluing. The inner support surfaces form in the bonded and erected state of the folding body, the inner support structure, which has the shape of a truncated pyramid and forms the support surface for the inner and outer lid flaps. The support structure is thus automatically erectable when opening the folding body and automatically collapsible when dismantling the folding body. The inner lid flaps have notches, which together form a Einsteckschlitz, in which the outer lid flaps can be inserted and locked by means of insertion tabs. At least two of the at least four inner support surfaces each have a Einsteckschlitz, in which the Einstecklaschen the outer lid flaps are inserted.

If at least two of the at least four inner support surfaces are connected to each other via the adhesive support tabs by a respective foldable fold line, the stability of the inner support structure can be improved.

The folding body should preferably consist of a one-piece blank. The one-piece blank can also consist of several individual partial surfaces for more efficient manufacture, which are then glued together again to form a one-piece blank.

For easy transport, especially in the erected state, one or more Griffausstanzungen may be present in the outer surfaces.

For ease of transport, especially in the folded state, handle recesses may be provided in the cover flaps so that in the folded Transport state a handle opening is formed. Preferably, this is arranged centrally in the center of gravity.

The imaginary extensions of the fold lines between the inner support surfaces and the adhesive support tabs preferably terminate at the intersection of the fold lines connecting the outer surfaces to each other with the fold lines interconnecting the outer surfaces and the inner support surfaces. This ensures optimum function of the self-opening support structure.

Description of the cut:

The folding body according to the invention with integrated support structure consists of a one-piece, foldable and glued blank, preferably corrugated or solid board, which can be divided into three surface groups, which in turn consist of different surfaces. The first surface group are the inner support surfaces, which later in the unfolded state form the integrated support structure of the folding body according to the invention. The outer surfaces form the second surface group. The lid flaps, which can be divided into the inner and the outer lid flaps, form the third surface group of the base plate. The integrated support structure is only functional if all of these surface groups are present in the blank, because only by gluing and plugging, the interlocking of the individual surfaces, a stable folding body.

The blank has at least four inner support surfaces, each with two connected via fold lines adhesive support tabs, at least four outer surfaces which are connected by foldable fold lines, wherein on one of the outer surfaces over a fold line an adhesive flap is attached, at least two inner lid flaps on each of which attaches two support tabs over foldable fold lines, as well as at least two outer lid flaps, to each of which a folding over a fold line tuck is attached.

The inner support surfaces:

The inner support surfaces each consist of a predominantly trapezoidal surface with trimmed corners, one of which is shortened by the width of the adhesive flap attached to one of the outer surfaces and the shortest side of these surfaces - in the blank below - together later in the unfolded state of the folding body form the support surface for the cover flaps. In this case, at least two of the inner support surfaces are provided on this short side with a Einsteckschlitz, which serves in the erected state for locking the Einstecklaschen, which attach to the outer lid flaps, in the inner support surfaces. Opposite this short side lies parallel and centered a longer fold line over which the inner support surface is connected to one of the outer surfaces. This folding line forms later in the constructed folding body one of the at least four Aufstellkanten and can be folded inwards by 180 °. Furthermore, each of the inner support surfaces is connected via fold lines with two predominantly triangular tabs, the adhesive support tabs, which later serve for bonding and unfolding of the folding body. More precisely, this means that in each case two and a total of four of these adhesive support tabs are adhesively bonded to one another and the remaining, unadhered adhesive support tabs when unfolding the construction push the support structure according to the invention inside the folding body into the correct position.

The imaginary extensions of the fold lines which connect the inner support tabs with the adhesive support tabs terminate at the intersection of the fold lines connecting the outer surfaces and the fold lines connecting the outer surfaces and the inner support surfaces.

The height of the inner support surfaces is dependent on the height of the outer surfaces, but it must be greater than that of the outer surfaces, since the inner support surfaces later obliquely inward and tapering towards the center inwardly and are covered by the cover flaps.

The outer surfaces:

The at least four outer surfaces form a blank in the blank, which are interconnected by fold lines. In use, these surfaces are connected to one another via an adhesive flap and thus form a circumferential, closed surface. As visible in the flat blank, the outer surfaces are connected at their lower edge in each case via a foldable folding line with the inner support surfaces. At its upper edge, each outer surface is connected alternately next to each other via an foldable fold line, in each case with an inner or an outer cover flap. Furthermore, an adhesive flap hangs on one of the outer surfaces located in the blank, to which the blank is glued later.

The cover flaps:

The lid flaps can be divided into the inner and outer lid flaps. The blank of the folding body according to the invention with integrated support structure contains in each case at least two inner and at least two outer cover flaps which are arranged alternately horizontally next to each other on foldable fold lines on the upper edge of the outer surfaces. Thus, for example, are an even number at outer or support surfaces in the bonded and unfolded state of the folding body, respectively, the inner and outer lid flaps preferably opposite.

In the inner lid flaps, a slot is stamped centrally and vertically, in the later the push-in tabs of the outer lid flaps are inserted. Furthermore, a foldable support strap hangs each time on the right and left of the insertion slot via a folding line. Each inner lid flap thus has two support tabs. The surfaces which lie on the inner support tabs on the right and left of the insertion slot and between each insertion slot and support tab, serve in the unfolded state of the folding body as a bearing surface on the erected support structure.

The outer lid flaps are later a closure for the unfolded folding body and form the bearing surface of the folding body. On the upper side of the outer lid flap, as can be seen in the flat blank, a fold-in foldable in each case hangs on a folding tab.

The greatest advantage of the invention lies above all in the one-piece and compact blank without additional parts, which has a positive effect both during production and during storage, transport and handling.

A one-piece and compact cut saves material and tooling costs in production. In addition, both for the manufacturer and the customer or user storage and transport advantages, since only a blank without additional parts must be stored and transported.

Furthermore, the folding body according to the invention with integrated support construction can be used in a multifunctional manner, e.g. as a stool or as a display support as well as other applications in which a stable resilient folding body is needed.

Furthermore, the handling of the blank is very easy. The integrated support structure folds automatically when opening the folder and it is only necessary to fold the lid flaps and lock. Thus, only very few steps are necessary for both the construction and the dismantling.

By the way of construction and in the manufacture of corrugated cardboard folding body results in setting up a footprint largely without an open shaft, i. almost no open material edges, resulting in increased stability of the footprint.

The invention will be explained in more detail using an exemplary embodiment. Show it:

1 the flat, punched cut from above,

2 the folded and glued blank,

3 the erected blank with erected support structure and open lid flaps,

4 the collapse of the inner lid flaps and the positioning of the support tabs and the formation of the insertion slot,

5 collapsing the outer lid flaps,

6 locking the outer lid flaps over the insertion slot,

7 the unfolded folding body with locked and locked lid flaps,

8th a variant for a flat, punched blank with two connected inner support surfaces from above.

In the exemplary embodiment, the folding body according to the invention with integrated support structure is used as a false stool made of corrugated cardboard (B-wave), which can carry up to 150 kg in weight and whose dimensions are approximately 300 × 300 × 420 (L × W × H in mm).

The production and operation of the folding body according to the invention with integrated support structure will be explained in more detail below, underlined reference numbers always representing areas.

The in 1 shown blank is made by punching from a piece of corrugated cardboard and then further processed so that a folded and glued blank is created, which can be set up by the user with only a few simple steps.

In a first convolution, the inner support surfaces 1A to D each 180 ° around the fold lines 13 on the outer surfaces 3A to D folded inwards, so that in each case an outer surface and an inner support surface are superimposed. That is, it will each be the surfaces 1A and 3A , the areas 1B and 3B , the areas 1C and 3C as well as the areas 1D and 3D folded over each other.

Subsequently, in a second convolution, the now superposed surfaces 3A and 1A around the fold line 14 on the superimposed surfaces 1B and 3B , as well as the superposed surfaces 3D and 1D around the fold line 15 on the superposed surfaces 1C and 3C each folded 180 ° inwards so that the surfaces 3A . 1A . 1B and 3B as well as the areas 3D . 1D . 1C and 3C lie one above the other, with the outer surfaces 3A to D respectively the inner support surfaces 1A enclose to D. The fold lines 14 . 15 . 16 and 17 form later in the functional state of the folding body whose vertical outer edges.

At the same time the gluing of the blank belongs to the production step of this second folding. These are when folding the superimposed surfaces 3A and 1A around the fold line 14 180 ° the adhesive support straps 2 B and 2C and when folding the superimposed surfaces 3D and 1D around the fold line 15 180 ° the adhesive support straps 2G and 2F glued together. At the same time, the over a fold line 17 with an outer surface 3A bonded adhesive flap 4 with the inside of the outside in the blank opposite surface 3D bonded. The result is the in 2 illustrated folded and glued blank, which can be set up in the following with a few simple steps by the user.

The present in the exemplary embodiment handle recess 12 , in the 2 is visible and the Griffausstanzung 11 , in the 1 Visible, were placed in the collapsed and erected state for the easier transport of the stool for the user and are optional.

One possible variant of the blank is in 8th and is that of at least four individually foldable inner support surfaces 1 at least two, as shown here, by a fold line 24 get connected.

The operation is as follows:
In 2 is the folded and glued blank shown, which can be set up by the user in a few simple steps. In the exemplary embodiment, the user can fold a sturdy stool from this blank.

The folded and glued blank is made by pressure with the hands on the opposite edges 14 and 15 open. When opening the folding body, the inner support structure is directed 23 automatically. This automatic straightening works so that the adhesive-bonded adhesive straps 2 B / 2C and 2F / 2G by the pressure on the outer edges 14 and 15 be pushed in the center and the glued to these adhesive support tabs 2 on both sides by fold lines 18A to 18H attached inner support surfaces 1 each not glued together adhesive support tabs 2D and 2E such as 2H and 2A push each other so that these are on the fold lines 18 , through which they are connected to the inner support tabs, fold in the direction of the outer surfaces. The result of this process is the open, erected folding body with mounted support structure 23 in the form of a truncated pyramid inside the folding body. The pyramid shape is formed by the mutually folded inner support surfaces 1 , supported by the glued and non-glued adhesive support straps 2 ,

To close the folding body and thus to stabilize the construction, the on the inner lid flap 5A attached support tabs 6A at fold line 21A and 6B at fold line 21B folded inwards by 90 ° and on the inner lid flap 5B attached support tabs 6C at fold line 21C and 6D at fold line 21D folded inwards by 90 °.

The inner lid flaps 5 are now successively at the fold lines 19A and 19B folded inwards and superimposed. This is the inwardly folded support tabs 6A and 6D such as 6B and 6C opposite each other. The inner lid flaps 5A and 5B be on the inner support structure 23 stored. When folding and folding the inner lid flaps 5A and 5B becomes a slip-in slot 9 educated. Following is the on the outer lid flap 7A attached tuck 8A at fold line 22A and those on the outer lid flap 7B attached tuck 8B at fold line 22B each folded inwards by 90 °. The outer lid flaps 7A and 7B are now successively at the fold lines 20A and 20B folded inwards and the pockets 8A and 8B in the slot 9 plugged into the slots below 10 locked. In the exemplary embodiment, the seat is formed by the inner and outer lid flaps.

One possible variant is that the folding body according to the invention is used for example for a display support. In general, the folding body described can be used in such cases where a one-piece, easy to assemble and disassemble, easy to store and transport folding body made of corrugated or solid board is needed, which is to be exposed on one side of a more or less large weight load.

LIST OF REFERENCE NUMBERS

1

 inner support surfaces (A / B / C / D)

2

 Adhesive support straps (A / B / C / D / E / F / G / H)

3

 Exterior surfaces (A / B / C / D)

4

 adhesive flap

5

 inner lid flaps (A / B)

6

 Support straps (A / B / C / D)

7

 outer lid flaps (A / B)

8th

 Insertion tabs (A / B)

9

 insertion slot

10

 Slot (for locking)

11

 hand hole

12

 handle recess

13

 fold line

14

 fold line

15

 fold line

16

 fold line

17

 fold line

18

 Fold lines (A / B / C / D / E / F / G / H)

19

 Fold lines (A / B)

20

 Fold lines (A / B)

21

 Folding lines (A / B / C / D)

22

 Fold lines (A / B)

23

 support structure

24

 fold line

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• DE 202006003128 U1 [0004, 0012]
• DE 202011100620 U1 [0005]
• DE 202007012633 U1 [0006]
• DE 20004300 U1 [0007]
• DE 29504807 U1 [0008]

Claims (6)

Folding body with integrated support structure preferably made of corrugated or solid board with the following features: - The folding body consists of at least four inner support surfaces ( 1 ) with attached adhesive support tabs ( 2 ) forming the inner support structure and four outer surfaces ( 3 ) with a hanging adhesive flap ( 4 ) and at least two inner lid flaps ( 5 ) with at least one attached support strap ( 6 ) and at least two outer lid flaps ( 7 ) with at least one attached tuck ( 8th ), - the surfaces are connected by at least one bendable fold line, wherein - the inner support surfaces ( 1 ) with the outer surfaces ( 3 ) about fold lines ( 13 ) and with the adhesive support tabs ( 2 ) about fold lines ( 18 ), - the external surfaces ( 3 ) with the inner lid flaps ( 5 ) about fold lines ( 19 ) and with the outer lid flaps ( 7 ) about fold lines ( 20 ), - the inner support surfaces ( 1 ) are substantially trapezoidal, - the imaginary extensions of the fold lines ( 18 ) end at the intersection of the fold lines ( 14 to 17 ) with the fold lines ( 13 ), - the inner supporting surfaces folded inwards by 180 ° ( 1 ) are due to the attached adhesive support surfaces ( 2 ) can be connected to one another by gluing, - every second one on the inner support surfaces ( 1 ) about fold lines ( 18 ) adherent adhesive support tabs ( 2 ) is connected together in the assembled state, - the inner support surfaces ( 1 ) form in the bonded and erected state of the folding body, the inner support structure ( 23 ), which has the shape of a truncated pyramid and the support surface for the inner lid flap ( 5 ) and the outer lid flaps ( 7 ), wherein the inner support structure ( 23 ) is automatically erectable when the folding body is opened and is automatically foldable again during dismantling of the folding body, - the inner lid flaps ( 5 ) together form a slot ( 9 ) into which the outer lid flaps ( 7 ) via push-in tabs ( 8th ) are lockable, - at least two of the at least four inner support surfaces ( 1 ) each have a slot ( 10 ), in which the push-in tabs ( 8th ) of the outer lid flaps ( 7 ) are plugged. Folding body according to claim 1, characterized in that at least two of the at least four inner support surfaces ( 1 ) via the adhesive support tabs ( 2 ) by a foldable fold line ( 24 ) are interconnected. Folding body according to claim 1 or 2, characterized in that the folding body consists of a one-piece blank. Folding body according to claim 3, characterized in that the one-piece blank consists of a plurality of individual partial surfaces, which are glued together to form a one-piece blank. Folding body according to one of claims 1 to 4, characterized in that in the outer surfaces ( 3 ) Handle punching ( 11 ) available. Folding body according to one of claims 1 to 5, characterized in that in the cover flaps ( 5 . 7 ) Handle recesses ( 12 ) are provided such that in the folded transport state preferably a handle opening is formed centrally.

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