KR20190018007A - Bags or bags - Google Patents

Abstract

The present invention relates to a bag or bag-like packaging material (1) made of a polymeric material which is ideal for the packaging, transport and handling of solid powder and / or bulk material, which is required to carry and handle the loaded packaging material Which enables the opening of the package 1 by separation of the lid 5 without causing cutting or tearing so that the packaging material 1 can be reused so as to provide the stability and resistance to the lid 5, (5).

Description

Bags or bags

The present invention relates to a bag or bag made of a polymeric material having a detachable cover which is ideal for the packaging, transportation and handling of solid powder and / or bulk material and which allows the packaging material to be opened for reuse, ) Type packaging material.

BACKGROUND OF THE INVENTION Field of the Invention Field of the Invention Field of the Invention Field of the Invention Field of the Invention Field of the Invention Field of the Invention Field of the Invention Field of the Invention The present invention relates to a packaging material, Have been widely used to package materials

Generally, the bag or bag is composed of a polymeric material having low density polypropylene, polyethylene and additives as a substrate, but other materials are also used. The material for making this type of bag is called raffia and comprises flat strands made by extrusion used in the production of polymer fabrics.

The raffia package is composed of various flat strands, for example, several millimeters wide, produced by the extrusion process of polymers such as polypropylene or polyethylene or other fiber or fiber blends. These raffia strands are induced into the core, pulled and rolled, and then woven into polymeric fabrics. Such fabrics are generally divided into flat fabrics and tubular fabrics.

In addition to providing safety and ensuring the integrity of the product, the main attraction of the Raffia packaging is reusability. That is, after use, the packaging material does not generate waste, and is reused for other purposes, such as, for example, storing goods in construction sites and other applications, or disposing of debris.

Because it is resistant and difficult to penetrate, raffia ensures effective protection against the behavior of moisture, dust and rodents, which is an important characteristic for food storage. Another positive aspect is the economics provided by this material, with reduced loss and recyclability during transport, which makes raffia more sustainable by lowering environmental impact.

These turrets may be divided by a closure type, which may be sewn or brazed, and may include an upper or lower valve serving as a position for filling the turret. In general, approaching the product at the point of consumption is only possible by cutting the body or the bag cover, since the filling valve can cause the product to be packaged but can not be removed from the package by the valve.

The latest techniques for turrets or raffia sacks are in particular seeking solutions in terms of providing support and resilience to the closure of the turret, demonstrating the need to develop a technology capable of providing an effective closure of such turrets do.

The German patent DE202009007915 and the Brazilian patent PI9507701-4 disclose packaging material closure materials and methods which provide the reinforcement and resistance necessary to maintain the integrity of the packaging material when transporting and handling heavy goods in the case of packaging materials made of paper or polymeric material .

In addition to the need for an efficient closure of the raffia bag, a solution is found for easily opening such a bag, especially in a state-of-the-art solution for opening when using packaged products.

Chinese patent CN2095841 and International patent WO2013 / 123015 disclose a solution for opening a packaging material made of paper and polymer materials, which discloses a pleat or perforation line capable of promoting the opening of the bag for use of the product. It should be noted that the use of easily open wrinkles and the use of perforations for easy cutting of bags or sacks both make the packaging easier to break at all times because they provide a low resistance at the open point, do.

Accordingly, in view of the need for enhanced closure and the possibility of opening the bag, it is desirable to provide a packaging material that is made of a polymeric material and that provides the required safety for the handling and handling of the stacked packages, A bag or bag type package having a detachable lid enabling opening is developed.

A first object of the present invention is to provide a detachable lid made of a polymeric material and separating the lid to enable opening of the lid to provide the necessary stability for carrying and handling the packed lid, , And a bag or bag-type packaging material which can open the packaging material for reuse.

The object of the present invention is achieved, in particular, by means of a bag or bag-type packaging material which is ideal for the packaging, transport and handling of solid powder and / or bulk material, the packaging material comprising a polymer which forms a first end and a second end opposite the first end At least one of the ends including a detachable lid for opening the package.

The object of the present invention is also achieved by a bag or bag-type packaging material which is particularly suitable for packaging, transporting and handling solid powder and / or bulk material, the packaging material comprising (i) a first end forming a first surface; And (ii) a second end forming a second surface opposite the first end, the package comprising at least one substantially planar detachable cover defining a third surface, Wherein the removable cover is associated with the at least one end by contacting the third surface with the first and / or second surface to open the package.

The invention is explained in more detail on the basis of the sample runs shown in the figures. The drawings are shown as follows.
BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 shows a view of a bag or bag type packaging material according to the invention.
Figure 2 shows a view of the second end of the separable lid-closed package of the present invention.
Figure 3 shows a view of the second end of the package in which the detachable lid is completely separated.
Figure 4 shows a view of the second end of the package in which the detachable lid is partially disengaged.
Figure 5 shows a top view of the second end of the wrapper in a partially detachable lid.
Figure 6 shows a top view of the second end of the detachable cover.
Fig. 7 shows a view of the wrapping material in which the detachable lid is completely separated and opened.

The present invention provides a bag or bag type suitable for packaging, transporting and handling solid products such as soil, fertilizer, grain, sugar, coffee, flour, animal feed, PVC compound, cement, and / And a packaging material (1).

First, it is important to understand that the packaging material 1 of the present invention is preferably a bag or a bag made of a polymeric material such as polypropylene, polyethylene and derivatives thereof (not limiting the use of other materials), such as raffia .

The packaging material 1 of the present invention preferably includes a closing part by an adhesive means such as an adhesive or solder and a valve serving as a part for filling the bag. Alternatively, the packaging material 1 includes a closing portion by the adhesive means without the presence of the filling valve 6.

The latest raffia sacks provide not only the main purpose of reusing the bag, with or without valves, but also the strength and resistance required for safe transportation and handling of the bag upon loading, It does not have a detachable lid 5 which allows opening of the bag by separation.

Thus, even if the heavy cargo weighing 40 kg, 50 kg, 60 kg, 100 kg, or 200 kg incidentally, it is possible to provide a large resisting force and resistance for fixing the separable cover 5 to ensure the integrity of the package 1, A variety of researches have been carried out to develop a separable cover material 1 for promoting the opening of the packaging material 1 for the user.

The main innovative differentiating element of the present invention is not the type or body of the material used in the package 1 itself but rather the grammage and density of the separable cover 5, And the manner in which the lid is secured to the body.

The bag or bag-like packaging material 1 of the present invention has a body 2 made of a polymer material, preferably a polymer fabric, for example raffia made of polypropylene or polyethylene. Although the raffia is the preferred material, it is possible to devise the packaging material 1 according to the protection range comprising the material consisting of any other type of fiber or a mixture of fibers. Further, the packaging material 1 may be composed of a non-woven material composed of any type or mixed fibers. Furthermore, since this material can be constituted not only of fibers but also of a polymer film such as a polyethylene film, the scope of protection of the present invention is not limited by the material constituting the packaging material 1. [

The body 2 of the package 1 comprises a first end 3 forming a first surface 3 'and a first end 3 forming a second surface 4' And a second end portion 4 opposite to the second end portion.

Preferably, the first end 3 corresponds to the inlet or filler of the package 1, which may or may not be provided with the filling valve 6, and the second end 4 corresponds to the bottom of the package 1 And / or < / RTI >

The package 1 further comprises a substantially flat separable lid 5 which forms a third surface 5'which comprises a third surface 5'and a first and / Is connected to at least one of the ends (3, 4) by contact between the second surfaces (3 ', 4') and the opening of at least one end of the ends (3, 4) Do. Figure 3 shows a third surface 5 'and a second surface 4' from which the detachable cover 5 has already been separated from the package.

Preferably, the detachable cover 5 comprises a substantially rectangular portion made of the same material as the body 2. [ Alternatively, the detachable lid 5 is composed of a polymeric material different from the constituent material of the body 2. In addition, the separable lid 5 includes different weights and densities than the body 2. [ A lid 5 having any basis weight lower than, equal to or higher than the basis weight of the body 2 is applicable. In any case, it is preferable to use the basis weight of the separable lid 5, which is higher than the basis weight of the body 2. This applies equally to the density of the separable cover 5 compared to the body 2. [

The detachable cover 5 is joined to at least one of the ends 3 and 4 by means of a soldering or adhesive type of adhesive and is provided with a total closed folding of the ends 3 and 4, It stretches along the wealth.

The separable cover 5 preferably has a size (width or length or both) greater than the size of at least the ends 3, 4 for the purpose of facilitating its separation, As shown in FIG. 2, for example, protrusions are formed on at least one side of the detachable cover 5. Alternatively, the detachable cover 5 may have the same dimensions as the ends 3, 4 without forming side, top or bottom protrusions.

The separable cover 5 of the present invention is coupled to the first end 3 and / or the second end 4 depending on the type of bag.

As discussed above, commercially available bags may or may not include fill valve 6 to facilitate the filling process of the product.

In the case of a bag which is not provided with a filling valve 6 and which is closed after filling, the bag will comprise an open first end 3 and a removable lid 5 will be engaged with the second end 4.

In the case of a valve-type bag (including the filling valve 6), the filling valve 6 is provided at the first end 3 or the second end 4 and the separable lid 5 is provided at the end 3, 4) so that the package 1 will comprise a detachable lid 5 provided at the first end 3 and / or the second end 4. That is, the detachable cover 5 may be disposed at the end of the valve or at the end opposite the end including the valve.

Figs. 4 and 5 illustrate a method of separating the separable cover 5. Fig. It should be understood that the detachable cover 5 is easily separated by the operator without the necessity of cutting the package, since the package 1 is easily peeled off without damaging the package 1 by simply pulling the detachable cover 5. [

Figure 6 shows the fully open second end 4 and Figure 7 shows that the second end 4 is open and the detachable cover 5 is already supported on the first end 3 in a detached state , In a vertical position, which is ready to be filled and reused for filling objects, filling debris, and other purposes at the construction site.

The packaging material 1 for the purposes of the present invention comprises a body 2 made of a tubular polymeric fabric having a basis weight of greater than 48 grams. After lamination of the tubular fabric, the basis weight of the body 2 varies from 50 g to 150 g, preferably from 40 g to 55 g, preferably from 45 g to 50 g. The weaving density of the body 2 also varies from 14/10 cm to 80/10 cm, preferably from 15/10 cm to 50/10 cm, preferably from 21/10 cm to 23/10 cm.

The filling valve 6, which may or may not be provided in the packaging material 1, has a basis weight varying from 20 g to 150 g, preferably from 40 g to 55 g, preferably from 45 g to 53 g, and from 14/10 cm to 80/10 cm, Is made of a flat polymeric fabric having a weaving density varying between 15/10 cm and 50/10 cm, preferably between 17/10 cm and 20/10 cm.

The cover 5 for closing the end portions 3 and 4 of the package 1 is detachable and preferably has a thickness of more than 20 g, preferably more than 49 g, more than 50 g To 200 g, from 60 g to 160 g, from 100 g to 120 g, and varying in basis weight, preferably from 107 g to 112 g. This segment also provides a weaving density that varies from greater than 14/10 cm, greater than 21/10 cm, varying from 22/10 cm to 40/10 cm, preferably from 30/10 cm to 35/10 cm.

It is important to understand that the weaving density of the fabric may vary with the closure of the weaving strands. Thus, for example, in the case of strands with a width of 5 mm, the weave of the fabric will have a density of 20/10 cm for a 100% degree of closure, i.e. 10 cm 20 strands of 5 mm each will be placed. In another example, in the case of strands having a width of 5 millimeters, the density may be 18/10 cm, which would result in the closure of the weave to 90%, the weave would not be completely filled, . The degree of closure of the woven fabric may be less than 100%, but the degree of closure is preferably greater than 100% so that strands are superimposed and may be up to 200%, 300%, 400%, 500%, 1000% It is important to understand that a closure value of 1500% can be reached.

Thus, the separable cover 5 of the present invention has a thickness of 60% to 1500%, preferably greater than 100% of the fabric, which may vary from 60% to 500%, 60% to 350%, 80% Is a polymeric fabric having a degree of closure. Thus, the detachable cover 5 includes a fabric structure with overlapping strands, so that the cover 5 is more pounded and becomes a harder and more rigid material.

In addition, the weaving degree of the fabric for making the body 2 and the filling valve 6 includes a percentage of 60% to 1500%.

As an example, a test was conducted to read the withdrawal strength of the removable cover so that the package could withstand the fall of three different heights. Preferably, the minimum strength required to separate the separable cover was 2.5 kgf, thus ensuring resistance to breakage of the package. The drop test was carried out on a bag loaded with 50 kg, and a drop was made at a set position of 2 m, 2.5 m and 3 m. In the separation test of detachable cover, all sacks with a minimum strength of 2.5 kgf survived three drops at three designated heights. That is, the packaging material was not damaged by the drop impact. Other values may be achieved depending on the needs and adjustments of the process.

Thus, the present invention comprises a removable lid 5 made of a polymeric material and enabling the package to be opened for reuse while ensuring the required resisting force required for safe transportation and handling of the loaded packaging material, A bag or bag type packaging material (1) which is resistant to falling without breaking the packaging material is provided.

While an example of a preferred embodiment has been described, it should be understood that the scope of the invention includes other possible variations and is limited only by the scope of the appended claims, and potential equivalents are included in its scope.

Claims (10)

Which is particularly suitable for packaging, transporting and handling solid powder and / or bulk material, comprising a first end (3) and a second end (4) opposite the first end (3) Characterized in that at least one of said ends (3, 4) comprises a separable lid (5) for opening said package (1) .
A bag or bag type packaging material according to claim 1, characterized in that the material constituting the removable cover (5) comprises a basis weight and a density different from the basis weight and density of the body material (2).
The bag or bag type packaging material according to claim 1 or 2, wherein the body (2) comprises a basis weight of more than 48 g.
A bag or bag type packaging material according to any one of claims 1 to 3, characterized in that the laminatable removable cover (5) comprises a basis weight varying from 50 g to 200 g.
5. Bagging or bag-shaped packaging material according to any one of claims 1 to 4, characterized in that the laminating removable cover (5) comprises a weft closing rate between 60% and 1500%.
A bag or bag type packaging material according to any one of claims 1 to 4, characterized in that the laminatable removable cover (5) comprises a weft closing rate of 80% to 200%.
7. Device according to any one of the preceding claims, characterized in that the detachable cover (5) comprises a size larger than the size of the end (3, 4) And a protruding portion is formed in the bag-shaped or bag-shaped packaging material.
8. Bagaging or bag-like packing material according to any one of claims 1 to 7, characterized in that the separable lid (5) is joined to the end (3, 4) by means of an adhesive.
9. Bagaging or bag-like packing material according to any one of claims 1 to 8, characterized in that the separable cover (5) has a basis weight and density higher than the basis weight and density of the body material (2).
As a bag or bag type packaging material particularly suitable for packaging, transportation and handling of solid powder and / or bulk material,
A body (2) made of a polymeric material,
(i) a first end (3) forming a first surface (3 '); And
(2) forming a second end (4) opposite said first end (3) forming a second surface (4)
Characterized in that the packaging material comprises an at least substantially flat separable lid (5) forming a third surface (5 '), said detachable lid (5) Is bonded to at least one of said ends (3, 4) by contact with said first and / or second surface (3 ', 4') of said end (3, 4 ').

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