TWM620839U - Flexible protective structure - Google Patents

Abstract

A bendable protective structure relates to a corrugated cardboard with random curling function. It includes: a base paper layer, a sandwich core paper and a surface paper layer. The sandwich core paper is pre-formed with a plurality of corrugated structures that are mutually flat, and the surface paper layer and/or the base paper layer is preset with a plurality of bending cuts that are parallel and spaced apart from the plurality of corrugated structures. It can be cut into various sizes and shapes according to actual needs, suitable for packaging cushioning materials, heat preservation or heat insulation materials, protection pads and other purposes.

Description

Flexible protective structure

This creation relates to a packaging protection structure, specifically a corrugated cardboard with random curling function, which can be cut into various sizes and shapes according to actual needs. It is suitable for packaging cushioning materials, heat preservation or heat insulation materials, protective pads, etc. Multi-purpose person.

According to the fact that with the frequent transactions of modern goods, corrugated boxes are also widely used in the transportation of goods. In addition to being light and rigid, corrugated cardboard boxes have the elasticity and shock-proof function of the inner wavy sandwich core paper, which can protect the internal articles and reduce the damage caused by external shocks. In addition, due to the manufacturing cost of the corrugated cardboard boxes Low-cost, more recyclable, and in line with environmental protection requirements, making corrugated boxes the main choice for packaging and transporting goods.

Generally, the structure of corrugated paper is to provide a wave-shaped sandwich core paper between two layers of liner paper (surface paper layer and base paper layer). In the manufacturing process of corrugated paper, the sandwich core paper is first squeezed by a plurality of corrugated wheels, so that the lower side of the sandwich core paper forms a wavy corrugated surface, and the corrugated surface of the sandwich core paper and the lower side of a liner are Then the glue layer is attached through the gluing device for the second liner paper and the sandwich core paper to be squeezed through a plurality of rollers, thereby bonding the lower side glue layer of the aforementioned liner paper to the unprocessed surface of the sandwich core paper; sandwich core paper The adhesive layer on the corrugated surface is bonded to another liner, and then heated by a plurality of heating plates to solidify and bond the adhesive layer between the two-layer liner and the sandwich core paper, thereby completing the corrugated paper manufacturing operation.

In addition to corrugated paper as the outer packaging of various commodities, in recent years, internal packaging components such as lining materials or cushion materials to protect commodities have been derived. Internal packaging can provide protection for consignments during the delivery process. Effective internal packaging should be able to protect the product from impact and vibration, and be able to return to its original shape to provide further cushioning protection. As people’s awareness of environmental protection increases, more More and more attention has been paid to the research and development of environmentally friendly packaging materials. The replacement of plastic with paper is one of them; corrugated paper is the most used paper packaging material in the market at present, and corrugated paper plays a very important role in packaging materials; corrugated paper lining material or The cushion material can be used as a protective layer between the product and the container, becoming a protective cushion for non-fragile or less fragile products, and can fill the shipping container.

Take the delivery process of bicycles as an example. In order to reduce the volume of goods and reduce transportation costs when new cars leave the factory, bicycle manufacturers disassemble the bicycles into components such as the frame, seat cushion and its riser, handles and wheels, etc. Use a corrugated cardboard box to rearrange the components and place them in the carton. The gaps between the rearranged components are filled with styrofoam or environmentally-friendly corrugated paper. However, each part of the bicycle has a certain inclination angle and presents a curved shape. Therefore, it is best to use a protective kit that can be bent into various sizes and shapes at will, so as to match the curved appearance of each part of the bicycle, and fit the protective cover to the outer surface of each part of the bicycle to provide good and complete protection. effect.

Conventional product cushion protection kits are mostly made of styrofoam, but styrofoam is huge and takes up too much space. Secondly, the cushion structure made of styrofoam cannot adjust the height of the cushion arbitrarily. Furthermore, the styrofoam material cannot be recycled and will not decompose for a long time, causing harm to the environment. Nowadays, the cushion structure made of styrofoam has been replaced by the corrugated paper cushion structure.

Although the corrugated paper products on the market are generally hollow inside, they are considered to be bendable. However, because corrugated paper must maintain a certain stress resistance strength, its bendability is limited by the structure, and the bending angle is very small, and the diameter of the protective sleeve is too large to directly cover such as bicycles. The curved outer surface of various components and other commodities cannot provide good and complete protection for such commodities.

The purpose of this creation is to provide a bendable protective structure, which has the function of curling at will, and can be cut into various sizes and shapes according to actual needs. It is suitable for packaging cushioning materials, heat preservation or heat insulation materials, protective pads and other purposes, especially It can directly cover the curved outer surface of commodities such as various parts of bicycles, providing good and complete protection for such commodities.

The second purpose of this creation is to provide a flexible protective structure, which provides the function of random curling, which is achieved without damaging the existing corrugated structure of the wavy sandwich core paper, which not only maintains the existing stress bearing strength, but also Possess excellent winding and bending functions.

Another purpose of this creation is to provide a flexible protective structure, a corrugated packaging protective structure with good structural strength, good cushioning protection for goods, and good weather resistance.

The flexible protective structure that can achieve the above-mentioned new purpose includes: a base paper layer with a flat upper surface and a lower surface; a sandwich core paper with an upper surface and a lower surface, the lower surface of the sandwich core paper and The upper surface of the base paper layer is connected to each other, and the upper surface of the sandwich core paper is parallel and alternately preformed with a plurality of wave-shaped corrugated structures; and a surface paper layer having a flat upper surface and a lower surface. The lower surface of the surface paper layer and the interlayer A plurality of corrugated structures of the core paper are connected to each other, and the upper surface of the surface paper layer is preset with a plurality of bending cuts that are parallel to and spaced apart from the plurality of corrugated structures.

In the bendable protective structure as described above, the plurality of cut marks on the upper surface of the surface paper layer are respectively correspondingly arranged at positions above the bottom of the wave-shaped troughs of the plurality of corrugated structures.

The flexible protective structure as described above, wherein the plurality of cut marks on the upper surface of the surface paper layer are spaced at equal distances from each other.

The flexible protective structure as described above, wherein the plurality of cut marks on the upper surface of the surface paper layer are mutually parallel to the short side axis of the upper surface of the surface paper layer.

The flexible protective structure as described above, wherein the lower surface of the base paper layer is preset with a plurality of bending cuts that are parallel to and spaced apart from the plurality of corrugated structures.

In the above-mentioned bendable protective structure, the plurality of cut marks on the lower surface of the base paper layer are respectively correspondingly arranged at positions above the bottom of the wave-shaped troughs of the plurality of corrugated structures.

The flexible protective structure as described above, wherein the plurality of cut marks on the lower surface of the base paper layer are equally spaced apart from each other.

The flexible protective structure as described above, wherein the plurality of cut marks on the lower surface of the base paper layer are mutually parallel to the short side axis of the lower surface of the base paper layer.

10: Base paper layer

11: upper surface

12: Lower surface

13: Cut

14: Short-side axis

20: Sandwich core paper

21: upper surface

22: lower surface

23: Corrugated structure

24: trough

30: Surface paper layer

31: upper surface

32: lower surface

33: Cut

34: Short-side axis

Figure 1 is a three-dimensional view of the unit of the creation of a flexible protective structure;

Figure 2 is an enlarged view of part A in Figure 1;

Figure 3 is a perspective view of the flexible protective structure being bent into a cylinder;

Figure 4 is a front view of Figure 3; and

Fig. 5 is a perspective view of the unit when Fig. 1 is turned upside down.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", The orientation or positional relationship indicated by "inner" and "outer" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the new model and simplifying the description, rather than indicating or implying that the device or element referred to must have The specific orientation, construction and operation in a specific orientation, therefore cannot be understood as a limitation of the present invention. In addition, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; It is directly connected, or indirectly connected through an intermediate medium, and it can be the internal communication between two components. For those of ordinary skill in the art, the specific meaning of the above-mentioned terms in the present invention can be understood under specific circumstances.

Please refer to Figure 1, Figure 2 and Figure 5 at the same time. The flexible protective structure provided by this creation is mainly a corrugated cardboard with random curling function. The flexible protective structure mainly includes: a base paper layer 10 having a flat upper surface 11 and a lower surface 12; a sandwich core paper 20 having an upper surface 21 and a lower surface 22, and the lower part of the sandwich core paper 20 The surface 22 and the upper surface 11 of the base paper layer 10 are connected to each other, and the upper surface 21 of the sandwich core paper 20 is parallel and alternately preformed with a plurality of wave-shaped corrugated structures 23; and a surface paper layer 30 having a flat surface One of the The surface 31 and the lower surface 32, the lower surface 32 of the surface paper layer 30 and the plurality of corrugated structures 23 of the sandwich core paper 20 are connected to each other, and the upper surface 31 of the surface paper layer 30 is preset with a plurality of A plurality of corrugated structures 23 are parallel to each other and spaced apart for bending notches 33.

The corrugated shape of the corrugated corrugated structure 23 constituting the corrugated cardboard can be one of the V-shape, U-shape and UV-shape disclosed in the conventional technology.

As shown in FIG. 2, the plurality of cut marks 33 on the upper surface 31 of the surface paper layer 30 are respectively correspondingly provided at positions above the bottom of the wave-shaped troughs 24 of the plurality of corrugated structures 23.

In a preferred embodiment, the plurality of cut marks 33 on the upper surface 31 of the surface paper layer 30 are equally spaced apart from each other. In addition, the plurality of cut marks 33 on the upper surface 31 of the surface paper layer 30 are parallel to the short side axis 34 of the upper surface 31 of the surface paper layer 30.

The processing method of forming a plurality of cut marks 33 on the upper surface 31 of the surface paper layer 30 generally uses a punching machine to cut the surface paper layer 30 moving along the rolling line into the knife edge part of the mold from one side to the surface paper layer 30. A plurality of cut marks 33 are formed on 30.

Please refer to Figure 3 and Figure 4 at the same time. The present invention uses the above technical means to make the corrugated cardboard bend into an arc or cylinder in any direction while still maintaining a certain strength and smooth appearance. Unlike conventional corrugated paperboard, when it is bent, concave corners and protruding corners are formed on both sides of the surface respectively, and the smooth appearance cannot be maintained.

Please refer to FIG. 5, in the flexible protective structure provided by this creation, the lower surface 12 of the base paper layer 10 is preset with a plurality of bending cuts 13 that are parallel to the plurality of corrugated structures 23 and spaced apart from each other. Wherein, the plurality of cut marks 33 on the upper surface 31 of the surface paper layer 30 and the base paper layer The multiple cut marks 13 on the lower surface 12 can be implemented simultaneously or alternatively on a corrugated cardboard.

As shown in FIG. 5, the plurality of cut marks 13 on the lower surface 12 of the base paper layer 10 are respectively corresponding to those provided at positions above the bottom of the wave-shaped troughs 24 of the plurality of corrugated structures 23.

In a preferred embodiment, the plurality of cut marks 13 on the lower surface 12 of the base paper layer 10 are equally spaced apart from each other. In addition, the plurality of cut marks 13 on the lower surface 12 of the base paper layer 10 are parallel to the short side axis 14 of the lower surface 12 of the base paper layer 10.

The flexible protective structure provided by this creation has the following advantages when compared with the conventional technology:

(1) Provide a flexible protective structure that has the function of curling at will. It can be cut into various sizes and shapes according to actual needs. It is suitable for packaging cushioning materials, heat preservation or heat insulation materials, protective pads, etc., especially for direct covering Covers, such as bicycle parts, on the curved outer surface of commodities, provide good and complete protection for such commodities.

(2) The random curling function it provides is achieved without damaging the existing corrugated structure of the wavy sandwich core paper, which not only maintains the existing stress-bearing strength, but also has excellent winding and bending functions.

(3) Corrugated paper packaging protection structure with good structural strength, good cushioning protection for commodities and good weather resistance.

The above detailed description is a specific description of a feasible embodiment of this creation, but this embodiment is not intended to limit the scope of the creation of the patent. Any equivalent implementation or change that does not deviate from the spirit of the creation technique should be included in In the scope of the patent in this case.

10: Base paper layer

20: Sandwich core paper

21: upper surface

22: lower surface

23: Corrugated structure

24: trough

30: Surface paper layer

31: upper surface

32: lower surface

33: Cut

34: Short-side axis

Claims (8)

A flexible protective structure, including: A base paper layer with a flat upper surface and a lower surface; A sandwich core paper has an upper surface and a lower surface. The lower surface of the sandwich core paper is connected with the upper surface of the base paper layer. The upper surface of the sandwich core paper is parallel and alternately formed with a plurality of wave-shaped corrugations in advance形结构体; and A surface paper layer has a flat upper surface and a lower surface. The lower surface of the surface paper layer is connected with a plurality of corrugated structures of the sandwich core paper. The upper surface of the surface paper layer is preset with a plurality of corrugated structures. Notches for bending which are parallel to each other and spaced apart from the plurality of corrugated structures. The bendable protective structure according to claim 1 , wherein the plurality of cut marks on the upper surface of the surface paper layer are respectively corresponding to those provided at positions above the bottom of the wave-shaped troughs of the plurality of corrugated structures. The bendable protective structure according to claim 1 , wherein the plurality of cut marks on the upper surface of the surface paper layer are equally spaced apart from each other. The flexible protective structure according to claim 1 , wherein the plurality of cut marks on the upper surface of the surface paper layer are mutually parallel to the short side axis of the upper surface of the surface paper layer. The flexible protective structure according to claim 1 , wherein the lower surface of the base paper layer is preset with a plurality of bending cuts that are parallel to and spaced apart from the plurality of corrugated structures. The bendable protective structure according to claim 5 , wherein the plurality of cut marks on the lower surface of the base paper layer are respectively corresponding to those provided at positions above the bottom of the wave-shaped troughs of the plurality of corrugated structures. The flexible protective structure according to claim 5 , wherein the plurality of cut marks on the lower surface of the base paper layer are separated from each other at equal distances. The flexible protective structure according to claim 5 , wherein the plurality of cut marks on the lower surface of the base paper layer are mutually parallel to the short side axis of the lower surface of the base paper layer.

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