KR100795544B1 - Envelope for protecting fruits or vegetables - Google Patents

Abstract

A plastic envelope for protection of fruits and vegetables is provided to prevent breakage of the envelope caused by fruits and vegetables by comprising a reinforcing part inside and be heat-fused to the body part without additional process by comprising a binding device. A plastic envelope for protection of fruits and vegetables contains: an outer layer defining an outer shape; a body part(10) containing an inner layer which is laminated inside the outer layer and formed by a heat fusible material and comprising multi-layer synthetic resin formed by one or more vent holes(10b); a reinforcing part(20) comprising a fusion layer in which a portion is overlapped at both ends and heat-fused on the inner layer and a fortifying layer; and a binding device(30). Both ends of the body part which is heat-fused with the reinforcing part are spaced far apart. A portion of the fusion layer of the reinforcing part is exposed to the outside. A binding device is connected to the fusion layer of the exposed reinforcing part. The outer layer is PET and the inner layer is any one of PP, PVC, PE or LLDPE.

Description

Envelope for protecting fruits or vegetables}

1 is a perspective view showing a fruit vegetable protection bag according to the prior art.

2 is a perspective view showing a state of use of the fruit vegetable protection bag shown in FIG.

3 is a cross-sectional view of the fruit vegetable protection bag shown in FIG.

4 is an enlarged cross-sectional view of part 'A' of FIG. 3.

Figure 5 is a perspective view showing a fruit vegetable protection bag according to another conventional technique.

Figure 6 is a schematic perspective view showing a fruit vegetable protection bag according to a first embodiment of the present invention.

FIG. 7 is an enlarged view of a portion 'A' of FIG. 6.

FIG. 8 shows a partial cross section along line B-B in FIG. 6.

9 is a cross-sectional view of a fruit vegetable protection bag according to another embodiment of the present invention.

FIG. 10 is an enlarged cross-sectional view of a portion 'A' of FIG. 9.

11 is a perspective view showing a binding means provided in the fruit vegetable protection bag of the present invention.

12 and 13 are perspective views showing the binding process of the binding means provided in the fruit vegetable protection bag of the present invention.

Explanation of symbols on the main parts of the drawings

1: Fruit and vegetable protection bag 10: Main body

11: outer layer 13: inner layer

20: reinforcement portion 30: binding means

31: head 33: through hole

34: tail 35: projection

36: protrusion

The present invention relates to a bag for protecting fruit and vegetables, and is easy to manufacture and thus automated, and to a fruit and vegetable protection bag that can be easily and reliably bound and prevents the release of binding in the binding process.

Fruit vegetables growing in the length direction such as cucumbers, zucchini, and eggplants had difficulties in harvesting fruit vegetables with commercial characteristics due to their bending characteristics while growing. However, fruits and vegetables are packaged and grown in protective bags in the growing vegetables. It is possible to suppress the bending characteristics of and to protect from pests.

1 is a perspective view showing a fruit vegetable protection bag according to the prior art, Figure 2 is a schematic perspective view showing a state packed the fruit vegetable with the fruit vegetable protection bag of Figure 1, Figure 3 shows the fruit vegetable protection bag of Figure 1 4 is an enlarged cross-sectional view of part 'A' of FIG. 3.

As shown in Figure 1 and Figure 2 is a fruit vegetable protection bag 100 according to the prior art is formed in the inlet through which the fruit vegetables are introduced, the lower portion is sealed, for penetrating the tie string 130 to the portion adjacent to the upper portion The binding hole 110a is formed with a main body 110 and a binding string 130 inserted into the binding hole 110a of the main body 110. In FIG. 1 and FIG. 2, reference numeral 110b illustrates a vent hole formed at the lower end of the main body 110, and 119 illustrates a joint portion in which both ends of the main body 110 are heat-sealed.

As shown in FIG. 2, the fruit and vegetables are introduced into the body 110 through the upper inlet, and the fruits and vegetables are tied to the upper portion of the body 110 by the binding string 130 inserted into the binding hole 110a. To prevent it from escaping. In order to solidify and facilitate the binding in the above, the binding strap 130 is provided with a metal core.

The manufacturing process of the main body 110 will be described briefly. First, both ends of the synthetic resin having a predetermined width are heated and pressed to join both ends in the longitudinal direction to form a joint 119, and the bottom end is sealed at predetermined intervals. Forming and cutting to form the body 110.

As described above, a laminated synthetic resin is used as the synthetic resin to be the main body 110 in order to form a joint 119 which is heat-sealed by pressing both ends. 4 illustrates a cross section of the synthetic resin serving as the main body 110. The main body 110 has an outer layer 111 made of a PET film from the outside, an inner layer 113 made of a PE film, and a printing layer in which color is added between the outer layer 111 and the inner layer 113 ( 115) further. When both ends of the synthetic resin are heated and pressurized in contact with each other, the inner layers 113 made of PE films are brought into contact with each other and are heat-sealed while being heated and pressurized with each other. In order to make the heat fusion is firm and easy in the above it is to be further provided as an LLDPE (Linear Low Density Polyethylene) layer inside the inner layer 113 of the PE film.

The fruit vegetable protection bag 100 according to the prior art as described above, when the load (F) as shown in Figure 3 by the fruit vegetable from the inside, the junction portion 119 is separated from the inside of the junction 119, the fruit vegetable There was a problem that is exposed to the outside, in order to couple the binding strap 130 to the body 110, forming a binding hole (110a) and the binding strap 130 must be inserted into the binding hole (110a) process is complicated and automated There was a problem that it is difficult to bind the binding strap 130 to the main body 110 in the process, there is a problem that is not easy to bind because the binding strap 130 is twisted as shown in FIG.

Figure 5 shows a fruit vegetable protection bag according to the prior art. As shown in FIG. 5, the fruit vegetable protection bag 100 according to another conventional technology includes a main body 110 and a binding piece 140 coupled to the main body 110. The main body 110 is provided with a vent hole (110b), it is provided with a joint (not shown) for heat-sealing both ends of the synthetic resin.

In the above, the outer layer is made of a film of a property that is not thermally fused by heating and pressure, the inner layer is made of a film of a property that the heat fusion is easy by heating and pressing in contact with each other. That is, by making the inner layer into a material that can be thermally fused by heat and pressure, the inner layers shown in FIG. 3 overlap each other and are thermally fused to form a bag.

In order to enable the heat-sealing of the bonding portion 119, the main body 110 of the fruit vegetable protection bag according to another conventional technique is also composed of an outer layer made of a PET film on the outside, and an inner layer made of a PE film inside the outer layer. It further comprises an LLDPE film layer inside.

In the state where the bonding portion 119 is formed, the outer layer of the main body 110 made of a film having a property of not being heat-sealed is exposed to the outside. Therefore, in order to bond the binding piece 140 to the main body 110 as shown in FIG. 5, a film such as LLDPE, which is capable of heat fusion, is applied to an outer layer of the main body 110 that leaks to the outside and is applied. The binding piece 140 is bonded to the body 110 by thermal fusion or by applying hot melt without applying a film such as a separate LLDPE.

In FIG. 5, reference numeral 141 denotes a head portion of the binding piece 140, 143 denotes a '-' shaped binding hole 143 formed in the head portion 141, and 145 is coupled to both sides by the binding hole 143. The binding protrusion 145 is shown to be made.

The fruit vegetable protection bag 100 shown in FIG. 5 is applied by adding a separate LLDPE film to the outside of the outer layer in order to heat-bond the binding piece 140 to the main body 110, or by applying a hot melt to the binding piece ( Since the 140 can be combined with the main body 110, there is a problem that it is difficult to automate the manufacturing process of the bag 100 by adding a separate process, the binding projection 145 in the binding piece 140 binding holes 143 is not easily inserted, and after insertion, the binding protrusion 145 is very difficult to be pulled out of the binding hole 143, so that the main body 110 may be broken or the binding piece may be pulled out in order to withdraw the super vegetables contained therein. Since it is necessary to break the 140, there was a difficult problem withdrawing vegetables.

The present invention has been proposed to solve the problems of the conventional fruit vegetable protection bag as described above, there is no fear that the bag is broken by the fruit vegetable introduced therein, easy to heat-attach the binding means without additional process It is possible to provide a bag for protecting fruit vegetables, which is easy to bind the binding means and there is no fear of separation after binding, while being easy to separate.

The fruit vegetable protection bag of the present invention for achieving the above object is made of a multi-layered synthetic resin including an outer layer formed to the outside, and an inner layer formed of a material that is laminated to the inside of the outer layer and heat-sealed; A reinforcement part comprising a fusion layer thermally fused to an inner layer by partially overlapping both ends of the main body, and a reinforcement layer laminated on the fusion layer; It is configured to include a binding means, both ends of the main body portion and the heat-sealed coupling of the reinforcement portion is spaced apart from each other by a predetermined interval of the fusion layer of the reinforcement portion exposed to the outside, the binding means is coupled to the fusion layer of the exposed reinforcement portion Features,

The outer layer formed on the outside is polyethylene terephthalate (PET); The inner layer laminated to the inner side of the outer layer is characterized in that formed of any one of polypropylene (PP), polyvinyl chloride (PVC), polyethylene (PE) or linear low density polyethylene (LLDPE),

The fusion layer of the heat-sealed reinforcing part partially overlapping the inner both ends of the main body portion is made of any one of polypropylene (PP), polyvinyl chloride (PVC), polyethylene (PE) or linear low density polyethylene (LLDPE) It is done.

On the other hand, the fruit vegetable protection bag according to the present invention includes a main body portion made of a multi-layered synthetic resin including an outer layer formed to the outside, and an inner layer formed of a material which is laminated to the inside of the outer layer and heat-sealed; A reinforcement part comprising a fusion layer which is partially overlapped on both sides of the main body and thermally fused to the inner layer, and a reinforcement layer laminated on the fusion layer; Is configured to include a binding means, a portion of the inner layer of any one of the inner layer of the both sides is exposed to the outside, the binding means is characterized in that the heat-sealed bonding to the inner layer exposed to the outside,

In the above, a part of the inner layer is characterized in that the heat-sealed with each other.

In the above, the binding means is characterized in that it comprises a head portion having a through hole and a tail portion having a plurality of projections,

The through hole formed in the head of the binding means is characterized in that it is formed in the form of a ladder,

The binding means is characterized in that the through hole provided with a protrusion protruding in the longitudinal direction of the binding means.

Hereinafter, with reference to the accompanying drawings a preferred embodiment of a fruit vegetable protection bag according to the present invention will be described in detail. In the description of the fruit vegetable protection bag according to the present invention, the same parts as in the prior art will be given the same names as in the prior art, and detailed descriptions thereof will be omitted.

6 is a schematic perspective view showing a fruit vegetable protection bag according to a first embodiment of the present invention, Figure 7 is an enlarged view of the 'A' part of Figure 6, Figure 8 is a line BB of Figure 6 Some cross section.

As shown in FIG. 6, the fruit vegetable protecting bag 1 according to the first preferred embodiment of the present invention includes a main body portion 10 made of a multilayered synthetic resin in which at least one vent hole 10b is formed, and the main body portion ( It comprises a reinforcing portion 20 to be laminated and coupled to both ends of the 10), and the binding means 30 made of a synthetic resin.

As shown in FIG. 7, the main body 10 includes an outer layer 11 that is formed outward and an inner layer 13 that is stacked inward of the outer layer 11. A portion overlaps both ends of the inner layer 13 of the main body portion 11 and is formed to include a fusion layer 23 thermally bonded to the inner layer, and a reinforcement layer 21 laminated with the fusion layer 23. .

The inner layer 13 of the main body portion 10 and the fusion layer 23 of the reinforcing portion 20 are formed of a film that is easily and firmly thermally fused to each other by heating and pressing. The outer layer 11 of the body portion 10 and the reinforcing layer 21 of the reinforcing portion 20 are preferably formed of a film which is not thermally fused to each other by heating and pressing. When heat-sealed by heat pressurization in the state as shown in FIG. 6, the inner layer 13 of the main body 10 and the reinforcement layer 21 of the reinforcement part 20 are also heated and pressed to each other, thereby making the reinforcement layer 21 When forming a film that is easy to heat fusion may cause a problem that the inlet is not formed on the top.

In the above, the inner layer 13 formed inside the outer layer 11 of the main body portion 10 and in contact with the reinforcing portion 20 and heat-sealed is polypropylene (PP), polyvinyl chloride (PVC), or polyethylene (PE). It is possible to form any one of). In addition, the fusion layer 23 of the reinforcing portion 20 that is heat-sealed in contact with the inner layer 13 may be formed of any one of polypropylene (PP), polyvinyl chloride (PVC), or polyethylene (PE). . However, the present invention is not limited to the above film, and may be selected as a material capable of thermal fusion by pressurized heating. In the above, in order to further facilitate thermal fusion by heat and pressure, it is also possible to further include a linear low density polyethylene (LLDPE) layer inside the inner layer 13, and similarly, the fusion layer 23 of the reinforcing portion 20. It is also possible to further comprise a linear low density polyethylene (LLDPE) layer on the outside (downward in FIG. 7). In addition, the inner layer 13 or the fusion layer 23 may be formed of a linear low density polyethylene (LLDPE) layer.

The outer layer 11 of the body portion 10 may be formed of a polyethylene terephthalate (PET) film, the reinforcement layer 21 of the reinforcement portion 20 may be formed of a polyethylene terephthalate (PET) film. Do. However, the present invention is not limited to the film, and it is possible to form a film layer that is not thermally fused with polypropylene (PP), polyvinyl chloride (PVC), and polyethylene (PE) or is difficult.

As described above, when the reinforcing portion 20 is partially heat-sealed by overlapping a portion of both ends of the inner layer 13 of the main body portion 11, the outer portion of the main body portion 10 as shown in FIGS. 6 and 7. Since the fusion layer 23, which is easily and firmly thermally fused to each other by heat and pressure, is partially exposed, as shown in FIG. 8, it is possible to directly heat-bond the binding means 30 to the fusion layer 23. do.

Since it is exposed to the outside of the fusion layer 23 is easy to heat fusion, it is necessary to apply a separate heat fusion film to the fusion layer 23, or to apply a hot melt to combine the reinforcing portion 30 The reinforcement part 30 is not easily separated from the main body part 10 even when a load is applied by the inside of the vegetable.

9 is a cross-sectional view showing a fruit vegetable protection bag according to a second embodiment of the present invention, Figure 10 is an enlarged view 'A' portion of FIG. 9 and 10, the fruit or vegetable sachet-protecting bag according to the second preferred embodiment of the present invention includes an outer layer 11 formed to the outside and an inner layer 13 stacked inside the outer layer 11. And a main body portion 10 made of a multi-layer synthetic resin, a reinforcement portion 20 which is heat-sealed and overlapped with the main body portion 10 inside the main body portion 10, and a binding means (not shown). It is configured by.

A portion of the inner layer 13 of any one of the inner layers 13 of both ends of the main body portion 10 which are heat-sealed with the fusion layer 23 of the reinforcing portion 20 is exposed to the outside, the binding means is the exposed inner layer It is bonded by heat fusion to (13).

9 and 10, both sides of the inner layer 13 are heat-sealed with the fusion layer 23 of the reinforcement part 20, while both sides of the inner layer 13 are partially heat-sealed with each other. Only part of the inner layer 13 of one side ('t' in Figure 10) may be exposed to the outside,

The inner layers 13 on both sides may be thermally fused to both sides of the inner layer 13 to the fusion layer of the reinforcing portion 20 so that the inner layer 13 on either side is exposed to the outside without contacting each other. That is, in FIG. 10, the inner layers 13 may not be folded together.

Details of the outer layer 11, the film forming the inner layer 13, the film forming the reinforcing part 20, and the like are the same as those of the first preferred embodiment of the present invention, and thus detailed descriptions thereof will be omitted.

FIG. 11 is a view illustrating a binding means 30 coupled to the fruit vegetable protection bag of the present invention, and FIGS. 12 and 13 are partial perspective views schematically illustrating a binding process. The binding means 30 according to the present invention is made of synthetic resin, and like the main body portion 10, it may be laminated in multiple layers. The binding means 30 is a bonding layer 37 formed of a film in which heat fusion is firm and easy by heat and pressure in the direction in which the inner layer 13 of the main body 10 is heat-sealed, and in the opposite direction It is possible to laminate the reinforcing layer 39 formed of a film which is difficult or difficult to heat-bond by heat and pressure. Since the example of a specific film is the same as the content regarding the said main-body part 10 and the reinforcement part 20, description is abbreviate | omitted.

As shown in FIG. 11, the binding means 30 according to the present invention is inserted into and coupled to the head part 31 having the through hole 33 and the through hole 33 of the head 31. It comprises a tail 34 having a 35). The through hole 33 formed in the head 31 is preferably formed in a trapezoid. When the tail portion 34 is inserted into the through hole 33 for binding, as shown in FIG. 12, when the tail portion 34 is inserted toward the bottom of the trapezoid through hole 33, the binding means 30 is shown in FIG. 13. The protrusion 35 of the tail 34 moves toward the upper side of the trapezoidal through hole 33 due to the tension acting on the crest, and is engaged by the through hole 33.

The bottom side of the trapezoidal through hole 33 is formed larger than the width of the tail portion 34 in which the protrusion 35 is formed, and the upper side is made small to facilitate insertion for binding, while making the binding solid. It is possible to lose.

In the above, when the tail portion 34 is inserted into the through hole 33 by forming the protrusion 36 at the bottom side of the trapezoidal through hole 33, the protrusion 36 pushes the tail portion 34 to the upper side of the trapezoid. It is possible to reliably prevent the tail portion 34 from being easily separated from the through hole 33 in the insertion process and after the insertion is completed.

The upper and lower ends of the completed bag in Figure 6 is cut to date, but may be formed in a variety of forms, such as having an inlet portion sawtooth shape according to the fruit vegetables introduced to the upper inlet.

Although the embodiments of the present invention have been described above with reference to the drawings, the scope of the present invention should not be construed as being limited to the above embodiments, and can be easily modified by those skilled in the art. It should be considered to belong to the rights of the present invention to the extent that is.

As described above, the fruit vegetable protection bag 1 according to the present invention is provided with a reinforcement part 20 inward so that the bag 1 may not be damaged by the fruit vegetable introduced therein, and the fusion layer of the reinforcement part 20 ( 23. Since a part or a part of the inner layer 13 is exposed to the outside, the binding means 30 can be easily heat-sealed and attached to the exposed part, so that the manufacturing unit can be easily manufactured, and the through hole of the binding means 30 By forming the trapezoid 33, binding is easy and there is no fear of separation after binding, and the binding means 30 into which the projection 36 protruding in the longitudinal direction from the through hole 33 is inserted into the through hole 33. ) Part is pushed in any one direction of the through hole 33, there is an effect that can more surely bind in the binding process.

Claims (8)

A main body part including a multi-layered synthetic resin, including an outer layer formed on the outer side and an inner layer formed on the inner side of the outer layer and formed of a heat-sealed material; A reinforcement part formed of a fusion layer laminated on both sides of the main body part by overlapping a portion of the main body part by heat fusion to the inner layer; In the fruit vegetable protection bag comprising a binding means; Both ends of the body portion to be heat-sealed and the reinforcing portion is spaced apart from each other by a predetermined interval of the fusion layer of the reinforcement portion exposed to the outside, the fruit and vegetable protection bag, characterized in that the binding means is coupled to the fusion layer of the exposed reinforcement portion. The method of claim 1, wherein the outer layer formed to the outside is polyethylene terephthalate (PET); The inner layer laminated inwardly of the outer layer is a polyveget protective bag, characterized in that formed of any one of polypropylene (PP), polyvinyl chloride (PVC), polyethylene (PE) or linear low density polyethylene (LLDPE). The method of claim 1, wherein the fusion layer of the heat-sealed reinforcement portion partially overlapping the inner both ends of the body portion is any of polypropylene (PP), polyvinyl chloride (PVC), polyethylene (PE) or linear low density polyethylene (LLDPE) Fruit and vegetable protection bag, characterized in that consisting of one. A main body part including a multi-layered synthetic resin, including an outer layer formed on the outer side and an inner layer formed on the inner side of the outer layer and formed of a heat-sealed material; A reinforcement part comprising a fusion layer which is partially overlapped on both sides of the main body and thermally fused to the inner layer, and a reinforcement layer laminated on the fusion layer; In the fruit vegetable protection bag made of a binding means; A portion of the inner layer of any one of the inner layer of both sides is exposed to the outside, the binding means is a fruit and vegetable protection bag, characterized in that the heat-sealed bonding to the inner layer exposed to the outside. 5. The fruit vegetable bag of claim 4, wherein a part of the inner layer is thermally fused to each other. 6. The fruit vegetable bag according to any one of claims 1 to 5, wherein the binding means comprises a head portion having a through hole and a tail portion having a plurality of protrusions. 7. The fruit vegetable bag of claim 6, wherein the through hole formed in the head of the binding means is formed in a ladder shape. 7. The fruit vegetable bag according to claim 6, wherein the binding means has a protrusion formed in the through hole to protrude in the longitudinal direction of the binding means.

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