DE20111690U1 - Packaging for objects to be packed in a shockproof manner, including cutting therefor - Google Patents

Description

Description

The invention relates to a packaging for objects to be packaged in a shock-proof manner, essentially consisting of an outer packaging and an inner packaging, each of which is made of a foldable material such as corrugated cardboard, carton or the like, the inner packaging having a blank with a base part for supporting the object to be packaged, over which a flexible film (stretching film) can be stretched to fix the object to the base part. The invention further relates to a blank for such a packaging.

Packaging of the type mentioned is used to package objects that are susceptible to breakage and/or impact, such as glass, electronic components, laptops or the like. Such parts must be able to be packaged quickly and inexpensively, and it must also be possible to package goods that have changing shapes.

Packaging is known which has preformed receiving parts as an inner packaging. Such so-called blister packaging with deep-drawn nests for receiving the objects to be packaged is usually individually adapted to the respective packaging item. For the packaging of

MEISSNER, BOLTE& PARTNER , Our" reference: M/IMP-025-DE

This inner packaging is not suitable for objects with changing shapes.

Packaging is also known in which the inner packaging is made up of two supporting elements. Each supporting element consists of a rigid frame with a central opening. This opening is covered with an elastic material, namely plastic film. The objects to be packaged are clamped between the plastic films, whereby the frames forming the inner packaging are spaced apart from one another within an outer packaging due to the goods being packaged. The goods being packaged float, so to speak, within the packaging. The plastic films also enable the packaging of non-uniformly shaped objects. However, the known packaging has the disadvantage that it is complex to manufacture and therefore expensive. Furthermore, very flat objects are very difficult or impossible to package because the frames with the plastic films then lie flat against one another, so that tensioning between the frame parts is not possible.

Heavy objects are also difficult to pack, as the flexible material or plastic film must be thicker for this. However, the plastic film then clings to the packaged goods with difficulty or not at all.

A relatively flexible packaging is proposed by US Patent 3,905,474. This packaging comprises an inner packaging which is made of a foldable material such as corrugated cardboard, carton or the like, the inner packaging having a blank with a rectangular base part for supporting an object to be packaged, over which a flexible film can be stretched to fix the object to the base part. Specifically, a tensioning part is provided on a boundary edge of the base part.

Meissner, BOLTE & Partner . Our* reference: M/IMP-025-DE

The flexible film is fixed to the tensioning part. When the tensioning part is opened towards the tensioning film, the film becomes loose so that the object to be packaged can be pushed between the tensioning film and the base part. When the tensioning film is folded down to the opposite side, the tensioning film is stretched to the base part, fixing the object to be packaged.

This inner packaging has proven to be very effective in practice. However, it has also been shown that even when the stretch film is under great tension, the items to be packed can slip relatively easily within the outer packaging.

Accordingly, the present invention is based on the object of developing the latter packaging in such a way that the objects to be packaged remain safely placed within the outer packaging, even under the influence of major impacts.

Furthermore, it is an object of the present invention to provide a packaging with an inner packaging which is characterized by simple cutting, quick unfolding and particularly secure positioning of the object to be packaged within an outer packaging.

The first-mentioned object is solved in particular by the features of claim 1, wherein claim 2 describes a particularly advantageous embodiment.

The second part of the stated problem is solved in particular by the features of claim 3, whereby the features of claims 1 and/or 2 can also contribute to the solution.

Accordingly, a part of the present invention is characterized in that the base part is formed on the side facing the stretch film with

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coated or covered with a non-slip material. This can be either a foam mat or a paper with a non-slip coating on one side or something similar. A film with a high surface friction coefficient can also be used to coat the support surface of the base part.

For the quick and uncomplicated packaging of objects of different shapes, it is particularly advantageous if the blank for the inner packaging comprises a rectangular base part, to whose at least one lateral boundary edge, in particular two diametrically opposed lateral boundary edges, a tensioning part is hinged via a fold line, to which the tensioning film extending over the base part is attached in such a way that when the tensioning part(s) is folded towards the side of the tensioning film, it lies loosely on the base part, so that the object to be packaged can be inserted between the base part and the tensioning film, while when the tensioning part(s) is folded towards the opposite side, the tensioning film can be stretched tightly over the base part and an object inserted between the base part and the tensioning film, and that the at least one tensioning part is divided by a further fold line, which extends approximately parallel to the fold line between the base part and the tensioning part at a distance from it that is less than the distance to the opposite outer boundary of the tensioning part, so that this tensioning part can be folded in the manner of a Z-fold on the side of the base part opposite the stretch film is foldable.

A further developed embodiment is specified in claim 4, in which both clamping parts are divided and foldable in the aforementioned manner. This makes it possible for the respective outer, wider section of the clamping parts _to be folded over the associated excavation edge of the base by

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Meissner, BOLTE & PARTNER . ' Our reference: M/IMP-025-DE

the fold line between the base part and the clamping part is defined. In this way, the base part is safely spaced from the inner boundary of the outer packaging on the sides to which the clamping parts are hinged. The special design of the clamping parts therefore creates increased protection for the objects to be packaged within an outer packaging. Above all, the protruding section of the clamping parts allows the attachment of handle openings so that the inner packaging can be easily pulled out of the outer packaging if necessary.

Preferably, in this embodiment too, the side of the base part facing the stretch film is designed to be non-slip in order to hold the object to be packaged securely in the originally inserted position, even after heavy impacts on the outer and inner packaging.

The measures according to claim 5, according to which longitudinal edge parts are hinged to the two boundary edges of the base part extending between the tensioning parts via corresponding folding lines, each of which extends beyond the base part into the tensioning part or parts, so that after the formation of the mentioned Z-fold of the tensioning part or parts, the longitudinal edge parts can be folded up onto the side of the tensioning film to protect an object placed between the base part and the tensioning film. In this way, in conjunction with the mentioned Z-fold of the tensioning parts, the object to be packaged is protected on all sides. In particular, the folded-up longitudinal edge parts also keep the object to be packaged at a safe distance from the opposite wall of the outer packaging.

A stable inner packaging can be obtained in particular by the features of claims 6 and/or 7. Through these dovÄ keßchöiefeenen Mafijaalynen^zfi.chriet .

Meissner, BOLTE& PARTNER ■ Our reference: M/IMP-025-DE

Inner packaging is characterized by a U-shaped border around the base part on its stretch film side. In principle, it is also conceivable to provide the construction according to claims 6 and/or 7 on both stretch film parts, so that the base part is then bordered on all sides.

A particularly advantageous blank for the production of a packaging according to the invention is described in claim 9, wherein claims 10 and 11 relate to constructive details which are particularly advantageous for handling and practice.

An embodiment of a packaging according to the invention and a blank therefor are described in more detail below with reference to the attached drawing. They show: 15

Figure 1 shows a blank for an inventive

Packaging view from above;

Figures 2 and 3 show the folding of the blank according to Figure 1 into an inner packaging according to the invention

each in perspective view; and

Figure 4 the finished folded inner packaging

in relation to an outer packaging, also in perspective view.

In Figure 1, a blank for an inner packaging of a packaging consisting of inner and outer packaging for objects 10 to be packaged in a shock-protected manner is shown in plan view. This blank, which is identified by the reference number 11, consists of a rectangular base part. On two opposite boundary edges - in Figure 1 the left and right boundary edges - of the base part 12, clamping parts 15, 16 are hinged via fold lines 13, 14, on which a flexible base 12 is attached.

MeiSSNER, BOLTE & PARTNER Our* reference: M/IMP-025-DE

The fastening of the tensioning film 17 to the tensioning parts 15, 16 is carried out by gluing, the corresponding adhesive edges being marked in Figure 1 with the reference numbers 18, 19.
5

The two clamping parts 15, 16 are each divided by a further folding line 20, 21, which extend approximately parallel to the folding lines 13, 14 between the base part 12 and the associated clamping part 15 or 16 at a distance from these that is smaller than the distance to the opposite outer boundary 22 or 23 of the clamping parts 15, 16. On the two boundary edges (longitudinal boundary edges) of the base part extending between the clamping parts 15, 16, longitudinal edge parts 26, 27 are hinged via corresponding folding lines 24, 25, which extend into the two clamping parts 15, 16. A transverse edge part 29 is hinged to the outer boundary of the left-hand clamping part 16 in Figure 1 via a further fold line 28 which coincides with the outer boundary edge 23 of the clamping part 16, whereby this transverse edge part is separated from the two longitudinal edge parts 26, 27 which also extend into this part by an incision 30 or 31, forming transversely foldable support tabs 32, 33 and, after folding these, can be folded from the outside to the inside, as can be seen in Figures 3 and 4 (arrow 34 in Figure 3). The fold lines 13, 14 can also be referred to as first fold lines, the fold lines 20, 21 as second fold lines, the fold lines 24, 25 as third fold lines and the fold line 28 as fourth fold line.

The clamping part 15 without the transverse edge part, ie the clamping part on the right in Figure 1, is also divided by a further fold line 20 which extends approximately parallel to the fold line 13 between the base part 12 and this clamping part 15 at a distance from the latter which is less than the distance to the opposite outer boundary 22 of the clamping _part 15.

Meissner, Bolte & Partner Our reference: M/IMP-025-DE

The clamping parts 15, 16 are divided by the second folding lines 20, 21 in such a way that they can be folded in the manner of a Z-fold according to Figure 2 under tension of the clamping film 17 to the side of the base part 12 opposite the clamping film 17 in such a way that the respective outer sections 35, 36 of the two clamping parts 15, 16 protrude beyond the associated boundary edges of the base part 12. The base part 12 is thus spaced apart from the associated boundary walls of the outer packaging within an outer packaging 37 (see Figure 4). This serves to protect the object 10 to be packaged within the outer packaging 37.

In the outer edge area of the clamping part 15, which does not include a transverse edge part, two finger openings 38 are formed in the embodiment shown, with the aid of which the inner packaging, which can be produced from the blank according to Figure 1 in accordance with Figure 4, can be easily pulled out of an associated outer packaging 37. The inner packaging, which has been folded from the blank according to Figure 1, is identified in Figure 4 with the reference number 39.

As already explained above, the tensioning parts 15, 16 can be folded in the manner of a Z-fold according to Figure 2 onto the side of the base part 12 opposite the tensioning film 17, while simultaneously tensioning the tensioning film 17 over the object 10 to be packaged. On the side of the base part 12 facing the tensioning film 17, a non-slip covering, for example in the form of a foam mat 40, is arranged so that the object 10 to be packaged is held in a non-slip manner between the tensioning film 17 and the base part 12.

Following the formation of the Z-folds mentioned, the two longitudinal edge parts are folded in the direction of arrows 41.

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MEISSNER, BOLTE & PARTNER Our reference: M/IMP-025-DE

folded upwards onto the stretch film side of the base part 12 until they extend approximately perpendicular to the base part 12.

Then, according to Figure 3, the support tabs 32, 33 of the blank according to Figure 1 are folded inwards into a position in which they extend approximately on the fold line 28 between the clamping part 16 and the transverse edge part 29. Then the transverse edge part 29 is folded from the outside inwards over the two support tabs 32, 33 according to arrow 34 in Figure 3. For this purpose, the transverse edge part 29 is divided by a fifth double fold line 43, whereby this double fold line extends over half the width of the transverse edge part 29 and parallel to the fourth fold line 28. The total width of the transverse edge part is slightly larger than twice the height of the support tabs 32, 33.

On the outer transverse edge 44 of the transverse edge part 29, projections 45 are formed which, after folding the transverse edge part 29 over the two support tabs 32, 33, can be inserted into corresponding transverse slots 46 along the fold line 28 between the transverse edge part 29 and the associated clamping part 16 (Figure 4).

After all this, an inner packaging is obtained according to Figure 4, the base part of which has a U-shaped border on the stretch film side. The inner packaging is stable in itself and protects the object 10 to be packaged on all sides. The object to be packaged is supported on all sides. The blank can be easily unfolded, as Figures 2-4 show, to form an inner packaging while securing the object 10 to be packaged, in order to then be pushed into an outer packaging 37 (see arrow 47 in Figure 4). The outer packaging 37 is designed as a conventional folding box.

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Meissner, BOLTE& Partner Our* reference: M/IMP-025-DE

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Also noteworthy is an approximately trapezoidal cut on the two longitudinal edges of the base part 12. These trapezoidal cuts are marked with the reference number 48 in Figure 1. The trapezoidal cuts 48 extend into the base part 12 so that trapezoidal sections are formed at these points as parts of the longitudinal edge parts 26. When the longitudinal edge parts 26, 27 are held up, the trapezoidal sections mentioned are also folded in such a way that they then protrude over the underside of the base part 12, as can be seen in Figure 4. The trapezoidal sections of the longitudinal edge parts 26, 27 obtained by the cuts 48 are marked with the reference number 49 in Figures 3 and 4. The trapezoidal sections 49 cause the base part to be spaced apart from the associated wall of the outer packaging 37. The base part 12 of the inner packaging is thus spaced apart from the outer packaging on both flat sides. In this way, the object 10 to be packaged is stored in a quasi-floating manner within the outer packaging. The base part 12 represents a type of membrane within the outer packaging 37, on which the object 10 to be packaged is securely fixed.

Regarding the anti-slip device mentioned above, it should also be mentioned that the foam mat preferably proposed is made of PU foam or the like. This achieves a slip resistance that is more than twice the conventional slip resistance of objects to be packaged within a transparent film packaging.

All features disclosed in the application documents are claimed as essential to the invention insofar as they are new compared to the prior art, either individually or in combination.

MEISSNER, BOLTE & PARTNER " Our" sign: M/IMP-025-DE

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List of reference symbols

10 Item to be packed

11 Cutting 12 Base part

13 (first) fold line

14 (first) fold line

15 Clamping part

16 Clamping part 17 . Clamping film

18 adhesive edge

19 adhesive band

20 (second) fold line

21 (second) fold line 22 outer boundary

23 outer boundary

24 (third) fold line

25 (third) fold line

26 Longitudinal edge part 27 Longitudinal edge part

28 (fourth) fold line

29 Cross-edge part

30 incision

31 Incision 32 Support flap

33 Support flaps

34 Arrow

35 outer section

36 outer section 37 outer packaging

38 Finger opening

39 Inner packaging

40 foam mat

41 Arrow 4? Arrow

Meissner, Bolte & Partner

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Our* reference: M/IMP-025-DE

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43 44 45 46 47 48 49

(fifth) double fold line cross edge
head Start
Cross slot
Arrow

trapezoidal incision trapezoidal section

Claims (11)

1. Packaging for objects ( 10 ) to be packaged in a shock-protected manner, essentially consisting of an outer packaging ( 37 ) and an inner packaging ( 39 ), each of which is made of a foldable material such as corrugated cardboard, carton or the like, the inner packaging ( 39 ) having a blank ( 11 ) with a base part ( 12 ) for supporting the object ( 10 ) to be packaged, over which a flexible material (tension film 17 ) for fixing the object ( 10 ) to the base part ( 12 ) can be positioned or tensioned, characterized in that the base part ( 12 ) is designed to be non-slip on the side facing the flexible material or the tension film ( 17 ), in particular is coated or covered with a non-slip material. 2. Packaging according to claim 1, characterized in that the slip resistance of the base part ( 12 ) is ensured by a foam mat ( 40 ) that can be placed on it. 3. Packaging, in particular according to claim 1 or 2, characterized in that the blank ( 11 ) comprises a rectangular base part ( 12 ), to whose at least one lateral boundary edge, in particular to whose two diametrically opposite lateral boundary edges, a tensioning part ( 15 , 16 ) is hinged via (first) fold lines ( 13 , 14 ), to which the tensioning film ( 17) extending over the base part (12 ) is attached in such a way that when the tensioning part(s) ( 15 , 16 ) are folded towards the side of the tensioning film ( 17 ), the latter lies loosely on the base part ( 12 ), so that the object ( 10 ) to be packaged can be inserted between the base part ( 12 ) and the tensioning film ( 17 ), while when the tensioning part(s) ( 15 , 16 ) towards the opposite side, the tensioning film ( 17 ) can be stretched tightly over the base part ( 12 ) and an object ( 10 ) inserted between the base part ( 12 ) and the tensioning film ( 17 ), and that the at least one tensioning part ( 15 , 16 ) is divided by a further (second) fold line ( 20 , 21 ) which extends approximately parallel to the (first) fold line ( 13 , 14 ) between the base part ( 12 ) and the tensioning part ( 15 , 16 ) at a distance from the latter which is less than the distance to the opposite outer boundary ( 22 , 23 ) of the respectively associated tensioning part ( 15 , 16 ), so that this tensioning part can be folded in the manner of a Z-fold ( Fig. 2) onto the side of the base part ( 12 ) opposite the tensioning film ( 17 ). 4. Packaging according to claim 2, characterized in that when two clamping parts ( 15 , 16 ) are formed, these each have a further (second) folding line ( 20 , 21 ) which extends parallel to the respective (first) folding line ( 13 , 14 ) between the clamping part ( 15 , 16 ) and the base part ( 12 ) at a distance from the latter which is less than the distance to the opposite outer boundary of the respective clamping part, so that the clamping parts ( 15 , 16 ) can each be folded in the manner of a Z-fold onto the side of the base part ( 12 ) opposite the clamping film ( 17 ) with the appropriate tension of the clamping film ( 17 ), the respective outer, wider section ( 35 , 36 ) of the clamping parts ( 15 , 16 ) then extending over the associated boundary edge of the base part ( 12 ), which defined by the (first) fold lines ( 13 , 14 ) between the base part ( 12 ) and the clamping part ( 15 , 16 ). 5. Packaging according to claim 3 or 4, characterized in that longitudinal edge parts ( 26 , 27 ) are hinged to the two (longitudinal) boundary edges of the base part ( 12 ) extending between the tensioning parts ( 15 , 16 ) via corresponding (third) folding lines ( 24 , 25 ), which each extend beyond the base part ( 12 ) into the tensioning part(s) ( 15 , 16 ), so that after the Z-fold of the tensioning part(s) ( 15 , 16 ) has been formed, the longitudinal edge parts ( 26 , 27 ) can be folded up onto the side of the tensioning film ( 17 ) to protect an object ( 10 ) placed between the base part ( 12 ) and the tensioning film ( 17 ). 6. Packaging according to one of claims 3-5, characterized in that a transverse edge part ( 29) is hinged to at least one of the two tensioning parts (16 ) via a further (fourth) fold line ( 28 ) which extends parallel to the (first) fold line ( 14 ) between the base part ( 12 ) and tensioning part ( 16 ), which is separated from the two longitudinal edge parts ( 26 , 27 ) by an incision ( 30 , 31 ) to form transversely foldable support tabs ( 32 , 33 ), and which can be folded from the outside to the inside via the transversely folded support tabs ( 32 , 33 ), so that together with the two longitudinal edge parts ( 26 , 27 ) a U-shaped border of the base part ( 12 ) can be produced on its tensioning film side ( Fig. 4). 7. Packaging according to claim 6, characterized in that projections (45) are formed on the outer transverse edge ( 44 ) of the transverse edge part ( 29 ) which, after being folded over the two supporting tabs ( 32 , 33 ) , can be inserted into corresponding transverse slots ( 46 ) along the (fourth) fold line ( 28 ) between the transverse edge part ( 29 ) and the associated clamping part ( 16 ) ( Fig. 4). 8. Packaging according to one of claims 3-7, characterized in that at least one opening, in particular two finger openings ( 38 ) are formed on the projecting section ( 35 ) of the clamping part ( 15 ) opposite the transverse edge part ( 29 ). 9. Blank ( 11 ) for a package according to one of claims 1-8, characterized by a rectangular base part ( 12 ), tensioning parts ( 15 , 16 ) which are articulated to two opposite boundary edges of the base part ( 12 ) via (first) fold lines ( 13 , 14 ), to which a tensioning film ( 17 ) extending over the base part ( 12 ) is attached, wherein at least one tensioning part ( 15 , 16 ) is divided by a further (second) fold line ( 20 , 21 ) which extends approximately parallel to the (first) fold line ( 13 , 14 ) between the base part ( 12 ) and tensioning part ( 15 , 16 ) at a distance from the latter which is less than the distance to the opposite outer boundary of the tensioning part ( 15 , 16 ), to which a tensioning film (17) extending over the base part (12) is attached via a still further a transverse edge part ( 29 ) is hinged to the (fifth) fold line ( 28 ), longitudinal edge parts (26, 27 ) hinged to the two boundary edges of the base part ( 12 ) extending between the tensioning part ( 15 , 16 ) via corresponding (third) fold lines ( 24 , 25 ) and extending into the tensioning parts ( 15 , 16 ), wherein the transverse edge part ( 29 ) is separated by an incision ( 30 , 31 ) from the two longitudinal edge parts ( 26 , 27 ) also extending into this part to form transversely foldable support tabs ( 32 , 33 ) and, after folding the latter, can be folded over these from the outside to the inside. 10. Blank according to claim 9, characterized in that the clamping part ( 15 ) without a transverse edge part is also divided by a further (second) fold line ( 20 ) which extends approximately parallel to the fold line ( 13 ) between the base part ( 12 ) and this clamping part ( 15 ) at a distance from the latter which is less than the distance to the opposite outer boundary ( 22 ) of this clamping part ( 15 ). 11. Blank according to claim 10, characterized in that in the outer edge region of the clamping part ( 15 ) without a transverse edge part at least one grip opening, in particular two finger openings ( 38 ) are formed.