DE202017100415U1 - Foldable transport and storage device - Google Patents

Abstract

Foldable transport and storage device comprising
a bottom wall
two hinged first side walls connected to each other and integrally connected to the bottom wall via a folding line,
two opposing hinged second side walls integrally connected to the bottom wall,
characterized,
in that at least two opposing side walls have an inner wall portion and an outer wall portion, and the outer wall portions of these side walls are foldable outwardly from a center of the bottom wall along a turndown portion, the outer wall portions being shorter vertically downwards than outer sides of the corresponding inner wall portions so as to have a latching edge is formed that the small load carrier on a vertical Z-direction upper edge of side walls of another small load carrier is positionally stable arrangeable.

Description

The present invention relates to a foldable transport and storage device

A small load carrier (KLT), also known as Eurokiste, Euro (norm) container or Euronormbox, is a plastic box standardized by the German Association of the Automotive Industry (VDA) for the logistics of automobile manufacturing and the supplier industry, which is now also used in many other applications Industries is used. In logistics such load carriers are sometimes referred to as low load carriers. The usual sizes are 600 × 400 mm and 400 × 300 mm.

The KLT system was developed by the Center of Competence Packaging of the German Association of the Automotive Industry (VDA) to optimize the logistics chain in the automotive manufacturer and supplier industry. The system is modularly matched to the base areas of 1200 × 800 mm (Europallet) and 1200 × 1000 mm (ISO).

In the DE 28 34 418 discloses a stackable erecting box. This has two first, opposite, side wall, which are formed as double sections which are interconnected by a bending edge and folded over each other. These side walls are designed as a double-walled hollow profile. Furthermore, two second opposing side walls are provided in which bending lines between longitudinal ends of the second side walls and corner connecting links hinged thereto are deflected outwardly by about 1 degree to 2 degrees from the right angle to the baseline of the side walls. In this way, a broadening of the packaging opening is made possible upwards. This broadening is intended to facilitate the stacking of several packages.

From the DE 202 14 941 U1 A blank for a stackable crate emerges as such a crate. The blank comprises a bottom panel and side panels hinged thereto, the side panels forming a trapezoidal shape and having a shorter edge of the parallel edges applied to the bottom panel. Preferably, two mutually opposite side panels are provided with a support means. The mutually opposite side walls are formed as double sections which are interconnected by a bending edge and folded over each other. In this way, a hollow profile for Auflagerung a second package is to be provided on the first package. The side walls have a trapezoidal shape, with a shorter edge is provided in the region of the bottom, so that the package widens upwards.

In the DE 93 05 126 U1 of the DE 93 173 31 U1 and the DE 94 066 60 U1 as well as the DE 196 01870 A1 Further packaging is known.

In the DE 20 2005 003229 U1 a transport and storage packaging made of cardboard is disclosed. This has two first opposing side walls with an inner side, an upper edge and a lower edge, wherein the length of the respective upper edge of the first side wall is greater than the length of the associated lower edge of the first side wall. In addition, two rectangular stacking and reinforcing elements of multi-walled corrugated board are provided with a top edge and a thickness, wherein each of the stacking and reinforcing elements is glued to the inside of one of the first side wall such that the top edge of the stacking and reinforcing element below the top edge of the associated first side wall is arranged. Furthermore, the packaging has two second mutually opposite side walls with an upper edge and a lower edge, wherein the length of the respective upper edge of the second side wall is greater than the length of the associated lower edge of the second side wall. The difference between the length of the top edge and the length of the bottom edge is smaller than the sum of the thicknesses of the two stacking and reinforcing elements. Due to the conical shape of the transport and storage packaging this is so stackable that a plurality of such packages can be stacked.

Object of the present invention is to provide a transport and storage device that is stackable with similar devices and / or with small load carriers (KLT), which has a high rigidity and thus high stability, which is simple and inexpensive to produce.

This object is solved by the features of the independent protection claim. Advantageous embodiments are specified in the subclaims.

According to the invention, a foldable transport and storage device is provided. This comprises a bottom wall, two opposite and with the bottom wall in one piece over a Folding line associated hinged first side wall, two opposing and integrally connected to the bottom wall hinged second side walls. The device according to the invention is characterized in that at least two opposing side walls having an inner wall portion and an outer wall portion, wherein the Außenwandungsabschnitte these side walls are folded from a center of the bottom wall along a Umklappabschnitts outwards, and wherein the Außenwandungsabschnitte are shorter in the vertical direction down as outer sides of the corresponding inner wall sections, so that a first latching edge is formed such that the device can be arranged in a positionally stable manner on a vertical edge of side walls of a further identically designed device in the vertical Z direction.

The fact that the outer wall sections form a first latching edge in the vertical Z-direction on the underside in conjunction with corresponding outer sides of the inner wall section, which is designed such that the device can be stacked in a positionally stable manner on an upper edge of side walls of a further identically designed device in the vertical Z direction , an extremely stable, simply constructed and also stackable transport and storage device is provided.

Under stable position is understood in the context of the present invention that a movement against both a Z-direction and in and against an X and Y direction is limited by the locking edge.

The device according to the invention can in its dimensions a type of small load carrier, as in the VDA 4500 is defined so that it can be combined or stacked with such small load carriers. Furthermore, the device may have any dimensions depending on the customer and intended use.

The device according to the invention is relatively inexpensive due to the simple structure and the low material usage.

Furthermore, the device and its blank can be formed solely by cutting, folding and nesting. The device is thus relatively easy to manufacture, assemble and disassemble again so that a completely flat blank with constant thickness is present.

Due to the simple construction, in particular the folding or assembling of a corresponding blank for the device according to the invention is relatively simple.

Because of its runway ability and its constant thickness in the unfolded state, the device according to the invention is suitable for use as a packaging, in particular if there are bottlenecks on reusable containers or a shipment without return is provided.

In a multi-way use is possible by the possibility of unfolding of the device and the flat design of the blank in terms of logistics easier return transport of the device.

Furthermore, all four side walls may have an inner wall portion and an outer wall portion, and the outer wall portions may be folded outwardly from a center of the bottom wall along the first and second flaps, the outer wall portions being shorter vertically downwards than outer sides of the corresponding inner wall portions. so that a circumferential locking edge is formed.

A circumferential first locking edge increases the stability when stacking a plurality of such devices or on the dimensions of the device corresponding small load carrier, since the first locking edge is then formed by two opposing locking edges, wherein the first locking edge of an approximately rectangular shape with an inverted L- having a shaped cross section.

The outer wall portions of the first side walls may have horizontally extending side flaps, wherein each two side flaps of the two first side walls in the region between an inner wall portion and an outer wall portion of the second side walls are arranged and wherein one of the side flaps a retaining lug and the other one to the shape of the retaining lug corresponding holding recess for receiving the retaining lug, are connected to each other via the two side flaps of the first side walls.

By providing the side tabs with retaining lug and retaining recesses a device with increased stability is provided, since the device is formed in the region of the retaining lugs and retaining recess has three layers and a circumferential continuous connection is provided in the horizontal direction.

The blank of the transport and storage device is relatively simple and thus easy to manufacture.

The outer wall portions of the second side wall may have locking tabs extending horizontally, two locking tabs of the two second side walls being disposed in the region between an inner wall portion and an outer wall portion of the first side walls, and wherein the locking tabs are disposed in respective ones in the area between the outer wall portions and inner wall portions first side wall formed Arretierungsausnehmungen are received and are fixed by means of locking tabs formed on the locking tabs.

In this way, in particular the corners or edges between the first and second side walls are formed with increased stability, which allows the inclusion of heavy objects in and in particular of other devices or small load carriers on the device, without this being damaged.

The Umklappabschnitt may be formed in a plan view in approximately rectangular and preferably trapezoidal and connected to the inner wall portion and the outer wall portion via a respective corrugation groove, which is formed by a creasing-cutting line.

The second fold-over section and the inner wall section of the second side wall form at least one fixing recess for fixing corresponding fixing lugs formed on a lid of the small load carrier.

A top wall of the lid can form a peripheral second latching edge in conjunction with the inner sides of the inner wall sections of the first side wall and the inner wall sections of the second side wall, wherein the second latching edge is designed corresponding to the first latching edge such that a further device having the first latching edge can be arranged in a positionally stable manner therein is. Thus, a lateral edge region of an upper side of the lid in conjunction with the upper edges of the first and second side walls forms the upper second latching edge.

By providing a first lower and an upper second locking edge, it is possible to stack a plurality of such devices one above the other without the risk that they slip relative to each other and there is damage to the device itself or the objects received therein.

The walls of the device may be formed of corrugated cardboard or other suitable material such as plastic.

Preferably, the device is formed of single- or multi-shaft corrugated board, whereby it has a relatively high rigidity, in particular parallel to the main extension direction of the corrugated cardboard shafts, at relatively low weight. A shaft direction preferably extends parallel to the shorter of the device to provide on the longer side a plurality of standing waves that allow a high load.

The device according to the invention can, according to a first embodiment, measure (length × width × height in mm) of e.g. 300 × 200 × 150 and according to a second embodiment the dimensions (length × width × height in mm) of e.g. 400 × 300 × 150 have.

Thus, various sizes may be provided as different interleaved systems depending on customer needs, with length, width and height being able to vary almost as desired.

Furthermore, the device can be coated on the inside and / or outside, in order to protect it against moisture from the outside and / or from inside, for example, by the packaged goods, such as e.g. Oil to protect corrosive.

The present invention will be explained in more detail below with reference to FIGS. These show in

1 a plan view of a blank of a transport and storage device according to the invention according to a first embodiment,

2 a plan view of a blank of a transport and storage device according to the invention according to a second embodiment,

3 to 6 perspective views of the transport and storage device according to the invention according to the second embodiment during the formation of the device from the blank,

7 a perspective view of the transport and storage device according to the invention according to the second embodiment without lid,

8th a perspective view of the transport and storage device according to the invention according to 7 with lid,

9 a perspective view of a lower locking edge of the transport and storage device according to the invention 3 , and

10 a perspective view of two transport and storage devices according to the invention with an upper device is stacked across a lower device.

In the following, the transport and storage device according to the invention 1 described in more detail ( 1 to 10 ). This transport and storage device can be combined with other devices according to the invention or even with small load carriers (KLT) arbitrarily combinable and stackable. The devices may be configured such that two or more devices can also be stacked across a single device ( 10 ). The device according to the invention can thus be seen as a separate storage, transport system and can be produced in almost any size depending on the customer.

First, the features of the transport and storage device 1 according to a first embodiment with reference to a blank 2 arranged in an XY plane explains ( 1 and 10 ). The second embodiment is constructed according to the first embodiment ( 2 to 10 )

The cut 2 or the transport and storage device which can be formed therefrom by folding 1 includes a bottom wall 3 , The bottom wall 3 is formed approximately rectangular.

The bottom wall 3 has two integrally connected to the bottom wall and extending in the X direction first side walls 4 on.

The first two side walls 4 are at longitudinal edges 5 the bottom wall integrally formed and with this over a crease line 6 connected. The walls 4 be along the crease line 6 worked. A special feature crease line 6 is that it is stamped with a counter-riller from the outside, to then fold them in opposite directions (eg punching line system of CITO Plast 6P / 55) All other lines are punched from the inside. In this way, the blank can be made in one operation and sections of the first and second side walls can be folded outwards accordingly.

Furthermore, the first side walls 4 an inner wall section 7 , the first side wall 4 with the bottom wall 3 connects and an outer wall section 8th on, with the inner wall section 7 over a first folding section 9 connected is.

The outer wall sections 8th are formed longer in the X direction than the inner wall sections 7 ,

The first folding section 9 is in plan view in the blank 2 formed approximately trapezoidal or from the inner wall section 7 towards the outer wall section 8th formed conically widening. The folding section 9 is with the inner wall section 7 and the outer wall portion 8th over a crease-cutting line 13 , along which the components are hinged, connected.

At the outer wall section 8th are in the Y direction extending side flaps 10 formed.

A side flap 10 the first side wall 4 has an approximately trapezoidal retaining lug 11 on.

The other side flap 10 the first side wall 4 has one for receiving the retaining lug 11 correspondingly formed or correspondingly shaped trapezoidal holding recess 12 on.

The side flaps 10 are with the Außenwandungsabschnitt 8th over a crease-cutting line 13 along the side flaps 10 are hinged, connected.

Approximately in the X direction in the middle of the crease-cutting line 13 are in the side flaps 10 approximately rectangular locking recesses 14 educated.

Furthermore, in the side flaps 10 in the area of the retaining nose 11 and the retaining recess 12 handle recesses 15 educated.

At transverse edges running in the X direction 16 the bottom wall 3 are extending in the Y direction second side walls 17 formed.

The second side walls 17 have one with the bottom wall 3 via a groove-cutting line extending in the X direction 6 connected inner wall section 18 and one with the inner wall portion 18 over a second folding section 20 connected outer wall section 19 on.

The inner wall sections 18 the second side walls 17 are formed longer in the X direction than the outer wall sections 8th ,

The second folding section 20 is approximately analogous to the first Umklappabschnitt 9 educated. This means the folding section 20 is in the Y direction from the inner wall section 18 towards the outer wall section 19 conically widening formed and with the inner wall section 18 and the outer wall portion 19 over a crease-cutting line 13 connected.

Furthermore, on the outer wall section 19 in the X-direction extending in plan view in approximately trapezoidal locking tabs 21 molded, extending in the Y direction locking lugs 22 form.

In the second folding section 20 and in the inner wall portion 18 The first side wall is approximately in the middle of an approximately rectangular Fixierausnehmung 23 for fixing corresponding, on a lid 24 the device molded fixing lugs 25 educated.

A width of the blank 2 in the X direction from outer edges of the outer wall sections 8th the first side wall 4 is about 781 mm.

A length of the blank 2 in the Y direction from outer edges of the outer wall sections 19 the second side walls is approximately 848 mm.

The lid 24 the device is formed approximately rectangular and has the, extending in the Y direction, fixing straps 25 on, in about rectangular shape on the lid 24 trained and on the lid 24 are formed.

A cut 26 according to a second embodiment ( 2 ) of the transport and storage device according to the invention essentially corresponds to that of the blank 2 of the first embodiment ( 1 ).

Identical features are provided with the same reference numerals. Unless otherwise described, this blank has 26 the same technical characteristics as the blank 2 according to the first embodiment.

The two blanks 2 . 26 differ from each other only in that the blank 26 according to the second embodiment 2 each two juxtaposed Fixierausnehmungen 23 for picking up fixing lugs 25 of the lid 24 having.

The following is the formation of a transport and storage device according to the invention according to the two embodiments of the blank 2 . 26 described.

In a first step, those on the bottom wall 3 molded-on first side walls 4 in the vertical Z-direction downwards opposite to the actual groove embossing along the crease line 6 folded or folded. Depending on the position of the blank, the flaps can also be upwards opposite to the actual groove embossing.

Subsequently, the inner wall sections 7 the first side walls 4 from a center 27 the bottom wall along the crease-cutting lines 13 folded outwards such that a buckling or a folding of the sections along the creasing-cutting lines 13 at about 90 ° each.

In a next step, the second side walls become 17 from the bottom wall 3 from in the vertical Z-direction along the corresponding scoring-cutting line 6 worked down.

The above steps may be performed independently of each other in time, i. be executed in any order.

In a next step then the side tabs 10 the first side walls 4 around a Z-direction along the corresponding crease-cutting line 13 between the outer wall section 8th and the side flap 10 towards the second side walls 17 folded so that they are approximately congruent with the Innenwandungsabschnitten 18 the second side walls 17 are arranged.

The corresponding retaining lugs become 11 in the retaining recesses 12 introduced and prevent in this way unfolding of the inner wall sections 7 the first side walls to the outside. The retaining lugs 11 thus fix in conjunction with the Halterausnehmungen 12 the first side walls 4 in X direction.

In a next step then the second side walls 17 along the second fold-over section 20 away from the center 27 the bottom wall 3 folded outwards.

In this case, the inner wall sections 18 the second side walls 17 from a center 27 the bottom wall along the crease-cutting lines 13 folded outwards such that a buckling or a folding of the sections along the creasing-cutting lines 13 at about 90 ° each.

Then the locking tabs 21 in the corresponding Arretierungsausnehmungen 14 in the first side walls 4 are formed, introduced and by means of the locking lugs 22 fixed dimensionally stable.

Along a Z-direction upper edge of the device 1 are then the Fixierausnehmungen 23 for picking up the fixing lugs 25 of the lid 24 educated.

Characterized in that the inner wall sections 7 . 18 the first side walls 4 and the second side walls 17 are now formed longer in the vertical Z-direction, as the corresponding Außenwandungsabschnitte 8th . 19 the first side wall 4 and the second side wall 17 is an approximately inverted L-shaped circumferential first locking edge 28 educated.

The corresponding lid 24 is then simply in the aligned with the bottom wall opening of the device 1 used in such a way that the fixing tabs 25 in the Fixierausnehmungen 23 are arranged.

After insertion of the lid forms a top wall 29 of the lid 24 in connection with the inner sides of the inner wall sections 7 the first side wall 4 and the inner wall sections 18 the second side wall 17 a circumferential second locking edge 28 out. The second locking edge 28 is so corresponding to the first locking edge 28 designed so that it is also position stable can be arranged.

By means of the locking edge 28 the transport and storage device can be stacked in a positionally stable manner on the upper second latching edge of a further device or of a small load carrier in the vertical Z direction.

Under stable position is understood in the context of the present invention that a movement against both a Z-direction and in and against an X and Y direction is limited by the locking edge.

Preferably, the device is formed of single- or multi-shaft corrugated board, whereby it has a relatively high rigidity, in particular parallel to the main extension direction of the corrugated cardboard shafts, at relatively low weight.

The transport and storage device 1 can one of the following outer dimensions, which in the VDA 4500 defined types of small load carriers (). The same applies to the associated lid 24 :
The nominal dimensions (length × width × height in millimeters) of the device according to the invention can correspond to the external dimensions provided for the types R-KLT and RL-KLT or can also be produced in any dimensions according to customer requirements, so that they are compatible with one another or stackable with one another : Type; number Nominal dimensions (mm) Actual mass R-KLT 6429 / RL-KLT 6280 600 × 400 × 280 594 × 396 × 280 R-KLT 6415 / RL-KLT 6147 600 × 400 × 147 594 × 396 × 147 R-KLT 4329 / RL-KLT 4280 400 × 300 × 280 396 × 297 × 280 R-KLT 4315 / RL-KLT 4147 400 × 300 × 147 396 × 297 × 147 R-KLT 3215 / RL-KLT 3147 300 × 200 × 147 297 × 198 × 147 D65 600 × 400 (cover) D45 400 × 300 (cover) D35 300 × 200 (cover)

LIST OF REFERENCE NUMBERS

1

contraption

2

cut

3

bottom wall

4

first side wall

5

longitudinal edge

6

grooved line

7

Innenwandungsabschnitt

8th

Außenwandungsabschnitt

9

Umklappabschnitt

10

side flaps

11

retaining nose

12

holding recess

13

Rill-cutting line

14

securing recess

15

handle recess

16

transverse edge

17

second side wall

18

Innenwandungsabschnitt

19

Außenwandungsabschnitt

20

second folding section

21

locking tab

22

locking lug

23

fixing recess

24

cover

25

fixing flap

26

cut

27

center

28

first locking edge

29

upper wall

30

second locking edge

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 2834418 [0004]
• DE 20214941 U1 [0005]
• DE 9305126 U1 [0006]
• DE 9317331 U1 [0006]
• DE 9406660 U1 [0006]
• DE 19601870 A1 [0006]
• DE 202005003229 U1 [0007]

Cited non-patent literature

• VDA 4500 [0013]
• VDA 4500 [0086]

Claims (9)

Foldable transport and storage device comprising a bottom wall two hinged first side walls, which are opposite each other and integrally connected to the bottom wall via a folding line, two opposing hinged second side walls integrally connected to the bottom wall, characterized in that at least two opposing side walls comprise an inner wall section and a Außenwandungsabschnitt, and the Außenwandungsabschnitte of these side walls of a center of the bottom wall along a Umklappabschnitts are folded outward, wherein the Außenwandungsabschnitte are shorter in the vertical downward direction than outer sides of the corresponding Innenwandungsabschnitte so that a locking edge is formed such that the small load carrier on a vertical Z Direction upper edge of side walls of another small load carrier position stable can be arranged. Apparatus according to claim 1, characterized in that all four side walls have an inner wall portion and an outer wall portion, and the outer wall portions, the side walls of a center of the bottom wall along Umklappabschnitten are folded outwards, wherein the Außenwandungsabschnitte are shorter in the vertical direction than the outer sides of the corresponding inner wall sections so that a circumferential first locking edge is formed. Apparatus according to claim 1 or 2, characterized in that the outer wall portions of the first side walls have horizontally extending side flaps, wherein each two side flaps of the two first side walls are arranged in the region between an inner wall portion and an outer wall portion of the second side walls and wherein one of the side flaps a retaining lug and the other has a holding recess for receiving the retaining lug over which the two side flaps of the first side walls are connected to each other. Device according to one of claims 1 to 3, characterized in that the outer wall sections of the second side walls in a horizontal direction extending locking tabs, wherein each two locking tabs of the two second side walls in the region between an inner wall portion and an outer wall portion of the first side walls are arranged and wherein the Arretierungslaschen received in corresponding, formed in the region between the Außenwandungsabschnitten and the Innenwandungsabschnitten the first side walls Arretierungsausnehmungen and fixed by means of locking tabs formed on the locking tabs. Device according to one of claims 1 to 4, characterized in that a Umklappabschnitt is approximately rectangular and preferably trapezoidal and is connected to the inner wall portion and the outer wall portion via a respective groove groove. Device according to one of claims 1 to 5, characterized in that the Umklappabschnitt and the inner wall portion of the second side walls form at least one Fixierausnehmung for fixing corresponding, integrally formed on a lid of the small load carrier, fixing straps. Device according to one of claims 1 to 6, characterized in that a top wall of the lid in connection with the inner sides of the inner wall sections of the first side wall and the Innenwandungsabschnitten the second side wall forms a circumferential second locking edge, wherein the second locking edge is formed corresponding to the first locking edge in that a device which further has a first latching edge can be arranged in a positionally stable manner therein. Device according to one of claims 1 to 7, characterized in that the walls are formed of single or multi-ply corrugated board.  Blank for forming a device according to one of claims 1 to 8.

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