EP2339566B1 - Folding blank for a self-unfolding presentation column - Google Patents

Description

The invention relates to a multi-part blank for a selbstentfaftende presentation column, wherein the first part of the blank comprises a front wall hinged thereto rear wall and hinged fasteners and the first part of the blank in the erected state forms the body of the presentation column and the second part of the blank or the second and third part of the blank is an erecting element for unfolding the column and the second part of the blank has at least four surface elements. Furthermore, the subject of the invention is a self-unfolding presentation column.

For advertising or for data presentation at trade fairs and conferences, the most diverse forms of presentation are used. Traditionally widely used posters have the disadvantage that for their attachment free wall surface or footprint is needed.

In recent years, the presentation has also been made on various multimedia components. From simple PC presentations, which run on a small display, to a large-scale projector projected onto the walls of advertising by means of a projector, such presentations enjoy great popularity. The disadvantage here, however, that diverse anyway more or less expensive electronic components for it at the site of the presentation together with a power connection must be provided.

Compared to the types of presentation, which use the modern and expensive technology, other presentation surfaces are common, which stand out due to special folds of the conventional posters, such as pyramidal carton formations, which provided with an advertising print on any storage space, such as a table, parked become.

Also presentation columns are known from advertising in various sizes and with different cross-sections. These have the advantage that their entire outer side surface can be used as advertising space. There is no need for free Wall surface, no table or shelf space to exhibit this type of advertising, but a presentation column can be placed directly on the floor in the room. Best known, as probably the oldest, is probably the Litfaßsäule. However, this is not transportable. However, columns of round or elliptical cross section or approximately elliptical cross section with edges on the less broad sides are also known.

From the EP 1 395 971 B1 a pillar is known which has an arcuate front and rear wall. Due to several folding lines, this column can be folded. The bulge of the front and rear walls of the column is achieved by holding strips are stretched between tabs which are hinged to the side edges of the front or rear wall, wherein the retaining strips have a smaller length than the width of the assembled column, so that the Connection of the two side edges over the retaining strip is done under tension. Various embodiments of columns according to the EP 1 395 971 B1 have in common that they are open at both column edges with respect to the carton blank and thus must be held together by appropriate means.

From the WO 2006/040438 A1 Another design for a presentation column is known. With the same basic shape of the cross section as in the column described above, the walls are pressed apart by a holding insert and in shape. The column thus receives its shape by a force acting on the side surfaces of the presentation frame at individual points where the holding insert attaches. In the case of a man-high column, more than one such insert is to be used on the column height. In addition, the stabilizing surface can only be folded down manually. The side edge of the presentation pillar which is open from the blank can thus only be closed when the holding inserts in the interior of the pillar have been brought into their condition of use. Also, the closing of the open column edge via a tab which is to stick to the column wall. A complete pre-assembly of such columns is therefore not possible.

Based on known presentation columns, the invention is therefore an object of the invention to provide a presentation column, which can be transferred quickly and with the least possible hand in a reliable mechanics at the site in the operating condition and space-saving transport allows, so that at the same time a cost-effective shipping and space-saving storage of such a presentation column are possible. Furthermore, the presentation column should be easily transferred to the manufacturer with a few simple steps and time-saving in the delivery state.

• der erste Teil des Zuschnittes eine Vorderwand mit daran angelenkter Rückwand und angelenkten Verbindungselementen umfasst und der erste Teil des Zuschnittes im aufgerichteten Zustand den Korpus der Präsentationssäule bildet, und
• der zweite Teil des Zuschnittes oder der zweite und dritte Teil des Zuschnittes ein Aufstellelement zum Entfalten der Säule ist und der zweite Teil des Zuschnittes mindestens vier Flächenelemente aufweist,

dadurch gekennzeichnet, dass

• die Flächenelemente des zweiten Teils des Zuschnittes jeweils eine vordere Schenkellasche, eine hintere Schenkellasche, eine erste Abstandsfläche und eine zweite Abstandsfläche umfassen,
• wobei die vordere Schenkellasohe an ihrer einen Seite über eine Faltkante mit der ersten Abstandsfläche verbunden ist und wobei, wenn der Zuschnitt als zweiteiliger Zuschnitt ausgeführt ist, die vordere Schenkellasche an einer hierzu senkrechten Seite über eine Faltkante mit der zweiten vorderen Schenkellasche verbunden ist,
• die erste Abstandsfläche an einer zweiten Faltkante entweder direkt mit der zweiten Abstandsfläche oder mit einer Distanzfläche verbunden ist, wobei die zweite Faltkante parallel zur erste Faltkante der Abstandsfläche läuft,
• die zweite Abstandsfläche Ober eine Faltkante mit der hinteren Schenkellasche verbunden ist und
• wobei, wenn der Zuschnitt als zweiteiliger Zuschnitt ausgeführt ist, die hintere Schenkellasche über eine Faltkante, die senkrecht zur Faltkante, zur zweiten Abstandsfläche verläuft, mit der zweiten hinteren Schenkellasche verbunden ist und
• wobei die beiden vorderen Schenkellaschen und die beiden hinteren Schenkellaschen jeweils Einkerbungen zur Aufnahme eines Spannelementes aufweisen und
• das Aufstellelement ein dreidimensionaler Körper ist, der aus dem zweiten Teil des Zuschnittes oder dem zweiten und dem dritten Teil des Zuschnittes gefaltet ist.

The object is achieved by a multi-part blank for a self-unfolding presentation column, said

• the first part of the blank comprises a front wall having a rear wall hinged thereto and hinged connecting elements, and the first part of the blank, in the erected state, forms the body of the presentation column, and
• the second part of the blank or the second and third part of the blank is an erecting element for unfolding the column and the second part of the blank has at least four surface elements,

characterized in that

• the surface elements of the second part of the blank each comprise a front leg strap, a rear leg strap, a first clearance surface, and a second clearance surface,
• wherein the front leg is connected at its one side by a folding edge with the first spacer surface and wherein, when the blank is designed as a two-part blank, the front leg flap is connected on a side perpendicular thereto via a folding edge with the second front leg strap,
• the first spacer surface is connected at a second fold edge either directly to the second spacer surface or to a spacer surface, the second fold edge running parallel to the first fold edge of the spacer surface,
• the second distance surface is connected above a fold edge to the rear leg strap and
• wherein, when the blank is designed as a two-part blank, the rear leg flap is connected via a folding edge, which is perpendicular to the folding edge, the second distance surface, with the second rear leg strap and
• wherein the two front leg straps and the two rear leg straps each have notches for receiving a tensioning element and
• the positioning element is a three-dimensional body which is folded from the second part of the blank or the second and the third part of the blank.

Furthermore, the object is achieved by a self-unfolding presentation column based on the above-described two-part blank. Further embodiments are the subject matter of the subclaims or described below.

If the blank according to the invention is designed as a two-part blank, the second part of the blank has at least eight surface elements, wherein preferably the second group of four surface elements along a longitudinal axis a is mirror-symmetrical to the first four surface elements. Alternatively, the blank according to the invention is designed as a three-part blank. In this case, the second part of the blank and the third part of the blank are preferably congruent or mirror-symmetrical to one another, but not connected to one another in the flat state of the blank. Both the second part of the blank and the third part of the blank have, in this embodiment, at least the surface elements of the front thigh flap, the rear thigh flap, the first spacer surface and the second spacer surface.

The tensioning element of the presentation column according to the invention is preferably a rubber band.

In one embodiment, the blank according to the invention or the presentation column according to the invention is designed such that it is not only lying flat State can be transported with low height expansion, but at least one, preferably two or more folded edges transverse to the front wall and transverse to the rear wall. These folding edges enable the blank to fold several times, with the individual elements coming to rest like an accordion. In a blank or a presentation column with, for example, two folding edges, the front side of the first element is folded onto the front side of the second element, so that they lie flat on one another and form a rectangle. It is then folded the third element with its back on the now upper back of the middle element. Alternatively, it is also possible to fold the third element so that a spiral-like fold arises.

The presentation column according to the invention is formed from the body and at least one positioning element. The positioning element is preferably firmly connected to the body. Particularly preferably, the positioning element is glued to the body at two points. It is also possible that the erection element by other connection types, such. a connector to connect to the carcass. Particularly preferably, the connection of the positioning element with the body via spacer surfaces, which each form the outer surfaces of the positioning element.

The presentation column has a substantially elliptical (oval) shape. Due to the material used, the ellipse or oval is not round at its end points, but has a distinct edge.

Due to the two-part or three-piece blank from which the presentation column according to the invention is constructed, the body of the column is open on one side and closed on the other side. The open side is closed by connecting elements according to the invention. These fasteners may have various configurations. Particularly preferred are connecting elements according to the invention in the form of tabs which are connected by rubber bands and held together. It is also possible to equip the fasteners with interleaved, hideable or glued together elements.

The internal construction of the column according to the invention is formed by at least one positioning element. This positioning element is formed by erecting (unfolding) the second part or the second and third part of the blank according to the invention. This positioning element forms a three-dimensional body. The front and the rear thigh strap are connected to a tensioning element. The tensile force of the tensioning element causes the expansion of the three-dimensional body, i. of the erection element. As a result, the front wall and the rear wall of the presentation pillar are pushed outward and it results in the oval shape of the column.

Preferably, two clamping elements, for example two rubber bands, are used in a positioning element of the presentation column according to the invention. These are each attached to the upper and lower edges of the legs. In the flat state of the erection element, the rubber band reaches its maximum elongation. In this case, the first and second spacing surface rests on the rear leg strap or partially on the front leg strap. To erect the erection element and thus to erect the column, the rubber bands pull together the front thigh and the rear thigh, causing the three-dimensional body to expand.

Since the two clamping elements are arranged respectively at the top and bottom of the positioning, they are very easy to assemble. This results in about 60% time savings compared to other designs and prevents overstretching of the bands. As a result, the mechanics of the presentation column according to the invention is less prone to failure. In addition, this space-saving transport and cost-effective production are ensured.

Depending on the height of the column, it is preferable to install more than one positioning element in the interior of the column, so that the front and rear walls of the presentation column, the both are suitable as presentation surfaces, are kept stable in shape. This results in a high-quality impression of the selected presentation rack and the presentation surface does not give way in a way that disturbs the visual impression when customers or other people press on a point on one of the walls.

Preferably, the first and / or the second or the second and the third blank, on which the presentation column is based, consist of cardboard, cardboard or corrugated board, particularly preferably corrugated board. Further embodiments of the presentation column according to the invention use material for the presentation column made of plastic or paper. The column can also be printed, wrapped or glued.

According to their design, a column according to the invention has the advantage that it can be set up very easily and quickly, even within seconds. It is to hold up only the upper edge of the collapsed column, with the column then unfolds independently downwards. Due to the internal mechanics of the 3D-body, the front and the rear wall of the presentation column presses apart by the expansion of the positioning element. The force conversion is preferably carried out by utilizing the tensile force of clamping elements, e.g. Rubber straps designed solely to ensure the movement of the mechanism: the action of the elastic bands on the folded blank of the 3D body results in the formation of an elongated body which presses against the front and rear walls of the presentation column's shell, thus causing the column to collapse automatically pressed into its unfolded form.

To collapse the column, it is necessary to exert a force against the restoring force of the clamping elements, or the tensioning element, which is / are the part (s) of the positioning element. By pushing together the front and the rear wall of the presentation column and the set-up is compressed. A detailed view of this process assumes that, in a preferred embodiment, the positioning element consists of two identical, strip-like cut parts, which are folded such that two most likely to be described as "pyramidal" elements whose surfaces flat against each other and form the surrounded by the surrounding frame, diagonal legs of superimposed front and rear leg lug of the erection element.

To this diagonal leg, preferably in the region of the outwardly pointing leg flaps, which form the upper and lower edge of the diagonal leg, tensile elements are e.g. Stretched rubber bands, which connect these approximately pyramidal elements together. Parallel to the diagonal leg, as part of the peripheral frame, are the two spacer surfaces, via which the positioning element is attached to the front and the rear wall of the body of the presentation column. Now, if the front and the rear wall of the presentation column pressed together, so move the glued to the inner walls of the column edges of the approximately pyramidal elements, i. the two distance surfaces, towards each other. This extends due to the folding of the diagonal leg of the erection, while the diagonal leg forming thigh lugs of the formerly approximately pyramidal body continue to be held together by the clamping element, now against its elastic restoring force, a force is exerted.

Figur 1a

den ersten Teil des erfindungsgemäßen Zuschnitts,

Figur 1 b

den zweiten Teil des Zuschnitts,

Figur 2a

eine Ausführungsform der erfindungsgemäßen Präsentationssäule,

Figur 2b

die Präsentationssäule aus Figur 2a im zusammengefalteten Zustand

Figur 3

eine perspektivische Ansicht der entfalteten Präsentationssäule

Figur 4

eine perspektivische Ansicht des Aufstellelements vor dem Zusam- menbau

Figur 5

eine perspektivische Ansicht des Aufstellelements im zusammenge- bauten entfalteten Zustand,

Figur 6

eine Draufsicht auf das Aufstellelement aus Figur 5 im flachliegenden Zustand.

The invention will be explained in more detail with reference to the following figures. Show it:

FIG. 1a

the first part of the blank according to the invention,

Figure 1 b

the second part of the blank,

FIG. 2a

an embodiment of the presentation column according to the invention,

FIG. 2b

the presentation column off FIG. 2a in the folded state

FIG. 3

a perspective view of unfolded presentation column

FIG. 4

a perspective view of the positioning before assembling

FIG. 5

3 is a perspective view of the positioning element in the assembled unfolded state,

FIG. 6

a plan view of the positioning of FIG. 5 in flat condition.

FIG. 1a shows the first part of the blank according to the invention and FIG. 1b the second part of the two-part blank according to the invention.

The first part of the blank 2 has a substantially rectangular base. The front wall 4 is divided by three folded edges 20a, 20b, 20c. The folding edges run transversely to the front wall 4. On one side 21 of the front wall connecting elements 6a are arranged, the connecting elements are designed in this embodiment by engaging tabs 17 and trapezoidal links 18. By placing the engaging tabs of the connecting elements 6a of the front wall 4 on the engaging tabs 17 of the connecting elements 6a, the rear wall 5 can be fitted with a clamping element, such as. to connect a rubber band.

At the center line 22 of the body, the front wall 4 and the rear wall 5 are connected to each other via a folding edge. The rear wall 5 is also divided by three folded edges 23a, 23b and 23c, which extend transversely to the rear wall. On the other side 24 of the rear wall, the connecting element 6b is articulated. It can be seen that in the present embodiment, the front wall and the rear wall are formed with the respectively hinged thereto connecting elements mirror symmetry to the center line 22.

The in FIG. 1b shown second part of the blank 3 forms the positioning element 8. In the embodiment shown, the second part of the blank 3, 10 surface elements. In each case, 5 surface elements along the longitudinal edge a are arranged mirror-symmetrically to the 5 surface elements on the other side of the longitudinal edge a, which serves as a mirror axis here. The first group of surface elements is connected to the mirror group surface elements on the one hand on the folding edge between the one front leg lug 9 and the second front leg lug 9 '. On the other hand, the first group of surface elements is also on the folding edge between the first rear leg strap and the second rear thigh strap 10 'connected together. In this embodiment, moreover, small parts of the first spacer surface 11 are connected to the second spacer surface 11 'and small parts of the second spacer surface 12 are connected to the second spacer surface 12'. The spacer surfaces 13 and 13 'are not connected to each other. Through the connection of the respective leg loops together in the middle of the blank results in an opening 19, which is necessary for the subsequent unfolding. The front leg tab 9 is connected via a folding edge 25 with the first spacer surface 11. This first spacer surface 11 is connected via a further folding edge 26 with the spacer surface 13. The folded edges 25 and 26 extend parallel. The rectangular spacer surface 13 is connected via a further folding edge 27 with the second spacer surface 12. The front leg flaps 9, 9 ', the rear leg flaps 10, 10' in each case have notches 14, 15, in the later the tensioning element 16 is positioned.

For assembly, the rear leg flaps 10, 10 'and, thanks to the folding edge 27, are folded onto the second spacing surfaces 12, 12'. It would then the front leg flaps 9, 9 'along the folding edge 25, folded on the rear leg flaps 10, 10'. The resulting structure is then folded along the longitudinal edge a so that in turn the thigh straps come to rest on each other.

In the embodiment, not shown, of the blank according to the invention as a three-piece blank would be in FIG. 1b shown blank along the longitudinal edge a not connected. The one group of surface elements would then form the second part of the blank, while a second group of surface elements, which may for example be congruent or mirror-symmetrical, would form the third part of the blank. After unfolding these are then connected by the clamping elements along the thigh straps.

FIG. 2a shows an embodiment of the presentation column in the erected state. It can be seen that the body 7, which is formed from front wall 4 and rear wall 5, has an approximately oval cross-section. In the embodiment shown, the front side also has a plurality of folding edges 20a, 20b and 20c.

How out FIG. 2b can be seen, the column is transportable not only in the flat, but in the additionally folded state, wherein during transport, the column along the folded edges 20a, 20b and 20c is folded, so that the different surfaces of the front and the rear wall to lie on each other come.

In FIG. 3 the arrangement of an erected Aufstellelementes 8 in the body 7 of the column can be seen. In this case, the spacer surface 13 is firmly connected to the front wall and the spacer surface 13 'fixed to the rear wall. The superposed leg flaps 9, 9 ', 10 and 10' pull apart by the clamping elements 16, 16 'the positioning and thereby push the front wall 4 and the rear wall 5 apart.

FIG. 4 shows the erection element 8 of the column according to the invention of a two-part blank before complete assembly. It can be seen that the front leg tab 9 rests on the rear leg lug 10. As a result, the first spacer surface 11, the spacer surface and the second spacer surface 12 form approximately a triangular projecting surface to the thigh lugs. The blank is already partially folded along the longitudinal edge a, so that the front leg tab 9 and 9 'are opposite. The clamping elements 16 are not yet mounted in this figure.

FIG. 5 shows the positioning element FIG. 4 in the assembled state. It can be seen that the clamping element 16 has been stretched from the notch 14 to the notch 15. The positioning element is thus in the erected state before as a three-dimensional body, wherein the clamping element is used exclusively for erecting the Aufstellelementes and is not attached in any form to the column.

FIG. 6 shows the same positioning element as in FIG. 4 and 5 before the erection. It can be seen that in the flat state, the clamping element 16 is maximally tensioned. As soon as there is no longer any pressure on the spacer surface or the spacer surfaces, the clamping element pulls together the front thigh flap and the rear thigh flap and thereby establishes the positioning element. The tensile force runs accordingly along the thigh straps, wherein in each case the outer edges of the thigh straps are pulled towards each other and the extension is perpendicular to the tensile force.

LIST OF REFERENCE NUMBERS

1 Präsentationssäule 2 first part of the blank 3 second part of the blank 4 front wall 5 rear wall 6 a, b fasteners 7 corpus 8th positioning element 9, 9 ' front thigh strap 10, 10 ' rear thigh strap 11, 11 ' first distance surface 12, 12 ' second distance surface 13 Distance area 14 notch 15 notch 16 clamping element 17 engaging tabs 18 trapezoidal tabs 19 opening 20 Folded edges front wall 21 Side front wall 22 center line 23 Folded edges rear wall 24 Side rear wall a Longitudinal edge second cut 25 Folding edge SL-AF 26 Folding edge AF-DF 27 Folding edge DF-AF 28 Folding edge AF-SL

Claims (15)

1. Multi-part blank for a self-unfolding presentation column (1), wherein

   - the first part of the blank (2) comprises a front wall (4) and, articulated thereto, a rear wall (5) with articulated connecting elements (6) and, in the assembled state, the first part of the blank (2) forms the presentation column (1), and

   - the second part of the blank (3) or the second and third part of the blank comprises a mounting element (8) for unfolding the column (1) and said second part of the blank (3) has at least four surface elements, characterized in that

   - the surface elements of the second part of the blank (3) each comprise a front limb flap (9), a rear limb flap (10), a first spacing surface (11) and a second spacing surface (12),

   - wherein the front limb flap (9) is connected at one side via a fold edge to the first spacing surface (11) and wherein, if the blank is configured as a two-part blank, the front limb flap (9) is connected, at a side perpendicular thereto, via a fold edge, to the second front limb flap (9'),

   - the first spacing surface (11) is connected at a second fold line either directly to the second spacing surface (12) or to a distancing surface (13), wherein the second fold edge extends parallel to the first fold edge of the spacing surface (11),

   - the second spacing surface (12) is connected via a fold edge to the rear limb flap (10) and

   - wherein, if the blank is configured as a two-part blank, the rear limb flap (10) is connected to the second rear limb flap (10') via a fold edge arranged perpendicular to the fold edge to the second spacing surface (12), and

   - wherein the two front limb flaps (9, 9') and the two rear limb flaps (10, 10') each have notches (14, 15) for accommodating a tensioning element (16) and

   - the mounting element (8) is a three-dimensional body which is folded from the second part of the blank (3) or the second and third parts of the blank (3).
2. Blank according to claim 1, characterised in that the multi-part blank is made of cardboard, paperboard or corrugated cardboard, preferably corrugated cardboard.
3. Blank according to claim 1 or 2, characterised in that the tensioning element is a rubber band.
4. Blank according to one of the preceding claims, characterised in that the blank is a two-part blank and the second part of the blank has at least eight surface elements or the blank is a three-part blank and the second part of the blank and the third part of the blank each comprise at least four surface elements wherein preferably the second and third parts of the blank are congruent, or have mirror symmetry to one another.
5. Blank according to one of the preceding claims, characterised in that the first part of the blank has at least two fold edges perpendicular to the front wall and transverse to the rear wall.
6. Blank according to one of the preceding claims, characterised in that the blank is configured as a two-part blank and the at least eight surface elements of the second part of the blank (3) are arranged relative to one another so that four of the surface elements (9, 10, 11, 12) are arranged along a longitudinal edge a with mirror symmetry to the second four surface elements (9', 10', 11', 12').
7. Blank according to claim 6, characterised in that the second part of the blank and the third part of the blank each have at least the surface elements front limb flap (9), rear limb flap (10), first spacing surface (11) and second spacing surface (12).
8. Blank according to one of the preceding claims, characterised in that the first part of the blank has at least one, preferably two or more, fold edges transverse to the front wall and transverse to the rear wall.
9. Presentation column constructed from a blank according to one of the claims 1 to 8.
10. Presentation column according to claim 9, characterised in that the presentation column has an elliptical form.
11. Presentation column (1) according to claim 9 or 10, characterised in that the body (7) and the mounting element (8) are firmly attached to one another, preferably glued, particularly preferably glued at two points.
12. Presentation column according to one of the claims 9, 10 or 11, characterised in that the front wall (4) and the rear wall (5) of the body (7) are connected to one another by means of the connecting elements (6), preferably in the form of flaps, wherein the connecting elements (6) of the front wall (4) and the connecting elements (6') of the rear wall (5) are preferably connected with rubber bands.
13. Presentation column according to one of the claims 9 to 12, characterised in that the mounting element (8) is firmly connected, preferably glued, via the distancing surfaces (13) and (13') to the front wall (4) and the rear wall (5) of the body (7).
14. Presentation column according to one of the claims 9 to 13, characterised in that the presentation column (1) comprises in the body (7), along the length thereof, at least two mounting elements (8).
15. Presentation column according to one of the claims 9 to 14, characterised in that the mounting element (8) has at least one, preferably two, tensioning elements (16) and the tensioning elements (16) are preferably mounted at the upper and lower edge of the limb flaps (9, 10).

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