KR20180033992A - Wrapping paper with double open apparatus and manufacturing method of the same - Google Patents

Abstract

Disclosed are a double open wrapping paper which can be easily open and a manufacturing method thereof. The double open wrapping paper comprises: a wrapping paper coupled with at least one multi-layer film payer to form a receiving space therein; a cord coupled to one side of an inner surface of the wrapping paper in a string shape and opening the wrapping paper in a constant linear shape; and an opening and closing part forming a predetermined space with the cord, and coupled to the inner surface of the wrapping paper between the cord and the receiving space of the wrapping paper. According to a composition of the present invention, the cord is included in one side surface of the wrapping paper such that the wrapping paper can be easily opened in a linear shape. The cord is able to consistently open the wrapping paper without damaging the opening and closing part such that the wrapping paper can be easily re-sealed and re-open.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a double-

The present invention relates to a double-opened wrapping paper and a method for manufacturing the double-wrapped wrapping paper, and more particularly, to a double-wrapping wrapping paper which can be easily re-sealed and reopened by linearly opening the wrapping paper linearly.

Generally, a wrapping paper made of a film material such as a confectionery wrapping paper, a food wrapping paper, and a pet food wrapping paper is formed by a multilayered film structure in which a plurality of synthetic resin films and protective films are laminated for protecting contents from outside air, light, It is a form of wrapping paper. Such a wrapping paper having a multi-layered film structure is strong in mechanical strength, so it is not easy to open the wrapping paper even in the case of an adult, and it sometimes occurs that the wrapping paper can be opened using a tool such as a scissors. Therefore, a notch is formed on one edge near the position for opening the package in order to facilitate the opening of the wrapping paper, and the notch is opened and opened.

Recently, there has been provided an open / close part of a concave-convex form between a notch and the contents in a wrapping paper such as a food such as a nuts or a food for a pet which is difficult to be taken at once, and it can be resealed and sealed The form of wrapping paper that can be reopened is mainly used.

However, when such a wrapping paper was opened by cutting the notch, the incision was easily started, but there was no directionality of the shearing force applied to the bag, so that the wrapping paper could not be uniformly opened. Therefore, it often occurs that the opening face is removed close to the opening / closing part, or the contents are opened to make it difficult to reseal.

The present invention relates to a double-opened wrapping paper which can easily open the wrapping paper linearly by including a cord on one side of the wrapping paper to improve the problems of the prior art, and a method of manufacturing the same.

The present invention also relates to a double-opened wrapping paper in which a cord forms a predetermined gap between opening and closing parts and the packaging paper is uniformly opened and the packaging paper can be easily resealed and reopened as an opening and closing part, and a manufacturing method thereof.

A double-opened wrapping paper according to an embodiment of the present invention will be described.

The double-opened wrapping paper comprises a wrapping paper which is combined with at least one multi-layered film to form a receiving space therein, a cord which is connected in a line to one side of the inner surface of the wrapping paper and opens the wrapping paper linearly and uniformly, And an opening / closing part which is coupled to the inner surface of the wrapping paper between the cord and the receiving space of the wrapping paper.

According to one aspect of the present invention, the cord includes a cutout portion formed at a predetermined distance from one side edge of the wrapping paper and coupled to the inner surface of the wrapping paper in parallel with one edge of the wrapping paper, and a handle portion coupled with one end of the cutout portion can do.

According to one aspect, the cord may further include a cutting start portion coupled between the cutout portion and the handle portion.

According to one aspect, the cutting start portion may be a plate-like shape having a triangular cross section.

According to one aspect, the cut-out portion may be coupled to one side edge of a triangular cross-section of the cut start portion.

According to one aspect, the cord may be engaged with the handle portion on one side edge of the triangular cross section of the cut start portion.

According to one aspect, the wrapping paper may further include a receiving portion protruding from one side edge to receive the handle portion and the cutting start portion.

According to one aspect, the wrapping paper may further include a cut-out groove formed on an engagement surface of the cord on an inner surface thereof.

According to one aspect, the wrapping paper may further include a multilayer film having a print layer in which information of contents is printed in a gravure manner.

According to one aspect of the present invention, the opening / closing part includes a removable protrusion coupled to the inner surface of the wrapping paper in a shape in which a section of the 'convex' extends in one direction, And a releasable groove coupled to the inner surface of the wrapping paper in a shape extending in one direction. The removable protrusion coupled to the inner surface of the wrapping paper and the removable groove can be resealed or re-opened.

A method of manufacturing a double-opened wrapping paper according to an embodiment of the present invention will be described.

A method of making a double-opened wrapping paper comprises the steps of: forming at least one multi-layer film, combining a cord for opening the wrapper to the inner surface of the multi-layer film, And sealing the at least one multi-layer film to form the packaging paper having the sealing portion, and a step of inserting the holding portion and the grip portion of the cord into the sealing portion where the receiving portion is protruded, And forming a cutting initiation portion.

According to one aspect, the step of forming at least one multilayer film may be formed by laminating the multilayer film with an antifog layer, a barrier layer and a print layer.

According to the present invention, the wrapping paper can be linearly and easily opened by inserting the cord into one side of the wrapping paper.

Further, the cord may be spaced apart from the opening / closing part at a predetermined interval, and the packaging paper may be uniformly opened, so that the packaging paper can be easily re-sealed and reopened as an opening and closing part.

In addition, various foods such as pet foods and nuts can be easily packaged, which can be easily re-sealed and reopened, making it difficult for the contents to be taken at once.

1 is a perspective view schematically illustrating a double-opened wrapping paper according to an embodiment of the present invention.
2 is a side cross-sectional view schematically illustrating a cord coupled to a double-opened wrapper according to an embodiment of the present invention.
3 is a side cross-sectional view schematically illustrating an open / close part coupled to a double opened wrapper according to an embodiment of the present invention.
4 is a perspective view showing a process of unpacking a double-opened wrapping paper according to an embodiment of the present invention.

Hereinafter, embodiments will be described in detail with reference to exemplary drawings. It should be noted that, in adding reference numerals to the constituent elements of the drawings, the same constituent elements are denoted by the same reference symbols as possible even if they are shown in different drawings. In the following description of the embodiments, detailed description of known functions and configurations incorporated herein will be omitted when it may make the best of an understanding clear.

In describing the components of the embodiment, terms such as first, second, A, B, (a), and (b) may be used. These terms are intended to distinguish the constituent elements from other constituent elements, and the terms do not limit the nature, order or order of the constituent elements. When a component is described as being "connected", "coupled", or "connected" to another component, the component may be directly connected or connected to the other component, Quot; may be "connected," "coupled," or "connected. &Quot;

1 is a perspective view showing a double-opened wrapping paper 10 according to an embodiment of the present invention.

As shown in FIG. 1, the double-opened wrapping paper 10 may include a wrapping paper 100, a cord 200 and an opening and closing part 300.

The wrapping paper 100 may be combined with at least one multi-layer film to form a receiving space S therein. The contents accommodated by the wrapping paper 100 may be foods such as nuts or foods for pets, which are difficult to be taken at one time, but the present invention is not limited thereto.

The wrapping paper 100 may be formed by a pair of the first multi-layer film 110 and the second multi-layer film 120 facing each other in the receiving space S inside. The first multi-layer film 110 and the second multi-layer film 120 have shapes corresponding to each other, and may have a shape of projecting a semicircular accommodating portion 150 on one side edge of the film having a rectangular cross section.

The first multi-layer film 110 and the second multi-layer film 120 may form the sealing part 140 by sealing the upper and side edges of the first multi-layer film 110 and the second multi-layer film 120 facing each other at predetermined intervals so as to face the receiving part 150. In addition, the wrapping paper 100 may be formed by bonding a selectively foldable third multi-layered film 130 serving as a support to the lower part of the wrapping paper 100.

2 is a side cross-sectional view schematically illustrating a cord 200 coupled to a double-opened wrapper 10 according to an embodiment of the present invention.

As shown in FIG. 2, the wrapping paper 100 may have a structure in which a plurality of multi-layered films 110, 120 and 130 are formed by stacking a plurality of films.

The multi-layer film sheets 110, 120, and 130 may include the antifog layer 100a, the barrier layer 100b, and the print layer 100c.

The antifreeze layer 100a is a layer directly contacting with the contents and has a multilayered LLDPE (Linear low-density polyethylene) film in which metallocene PE, 200 to 2500 ppm of slip agent and 1 to 10% (Low-density polyethylene) film may be laminated. The LLDPE film is excellent in water resistance, heat resistance, oil resistance, and strength, so even if animal contents such as jerky are contained therein, it is possible to prevent the oil film from sticking to the film and to maintain transparency.

Barrier layer (100b) may be formed by the LDPE (Low-density polyethylene) laminated on a film comprising an aluminum (Al) and alumina ₍₃ Al ₂ O).

The base layer of the barrier layer 100b may be formed of a film of polyethylene terephthalate (PET), aluminum (Al), and nylon (NY). As the adhesive layer of the base layer, films such as PE (polyethylene), linear low-density polyethylene (LLDPE), low-density polyethylene (LDPE) PE / LLDPE, PE / LDPE and casting polypropylene . The thickness of the base layer may be about 30 탆 to 200 탆, 30 탆 to 150 탆, and 30 탆 to 100 탆.

The printing layer 100c constitutes the outer surface of the wrapping paper of the multilayered films 110, 120 and 130 and is formed of polyethylene terephthalate (PET) for printing and displaying information of the contents packed and stored by the wrapping paper 100. [ , PET) film, an OPP (Oriented Polypropylene) film having transparency, gloss and excellent moisture-proof property can be laminated. Printing the information on the contents formed on the print layer 100c by the gravure method may be preferable in manufacturing the wrapper 100 having various sizes and clear images.

In the embodiment of the present invention, the multilayered films 110, 120, and 130 include the antifog layer 100a, the barrier layer 100b, and the printed layer 100c, but the present invention is not limited thereto. 120, and 130 may form a multi-layer film or a single layer film using a co-extrusion method with an ethylene vinyl alcohol (EVOH) resin. In addition, the wrapping paper may be formed by coating PVDC (polyvinylidene chloride) or PVA (polyvinyl alcohol) on various films such as PET (polyethylen terephthalate), NYLON (nylon) and OPP (oriented polyoropulene) to form a multilayer film. Also, the wrapping paper may be formed by oxidatively depositing alumina (Al ₂ O ₃ ) or silica oxide (SiO x) film on PET (polyethylen terephthalate) or NYLON (nylon) film and then forming a surface- Etc. may be used.

In the embodiment of the present invention, the printing layer 100c is formed by laminating an OPP (Oriented Polypropylene) film on a polyethylene terephthalate (PET) film, but the present invention is not limited thereto. The printing layer 100c may be formed of a polyethylene terephthalate (PET) film alone. Further, the print layer (100c) is polyethylene terephthalate (Polyethylene Terephthalate, PET) in the film of polyvinylidene croissant fluoride (PVDC, Polyvinylidenchloride), alumina (Al ₂ O ₃₎ or a barrier coating by any one of the oxide of silica (SiOx) (Barrier Coating).

The first multi-layer film 110 may be formed with a cut-out groove 111 using laser processing or the like to receive and couple the cord. The cut-out groove 111 may be formed to have a constant groove shape through the oil-sidestream preventing layer and the barrier layer. The cut-out groove 111 can form a height of the same thickness as the cord 200 so that the cord 200 can be engaged.

The cord 200 may include a cutout 210.

The cutout portion 210 may be coupled to the cutout groove 111 of the first multi-layered film 110.

In the embodiment of the present invention, the cut 210 is housed in the cutout 111, but the present invention is not limited thereto. It is also possible that the cutout 210 is coupled to the surface of the cutout 111.

Referring again to FIG. 1, the cord 200 may be formed at a predetermined distance from the upper edge of the wrapping paper 100 and may be coupled to the inner surface of the first multilayered film 110.

The cut-out portion 210 may be in the shape of a thin line having a circular cross section extending in one direction. The cutout portion 210 may be coupled to the cutout groove 111 formed in the upper portion of the accommodation space S in parallel with the upper edge. The cutouts 210 are connected to the cutouts 140 formed on both sides of the wrapping paper 100 at both ends of the cutouts 210 so that when the cutouts 210 open the wrapping paper 100, Can be prevented from being detached.

The cutout portion 210 can open the cutout groove 111 to selectively open the wrapping paper 100 and the accommodation space S. [

The cord 200 may further include a grip portion 230 and a cutting start portion 250.

One end of the cutout 210 of the handle 230 can be engaged. The handle 230 may be formed in a plate shape having a circular cross section. The cutting start portion 250 may be coupled between one end of the cutout portion 210 and the handle 230. The cutting start portion 250 may be a plate-like shape having a triangular cross section. One side edge of the triangular shape of the cutout initiation part 250 can be coupled to correspond to the shape of the cutout 210. Further, one side edge of the cutting start portion 250 can be engaged with the handle 230.

And can be accommodated in the receiving portion 150 formed in the sealing portion 140 of the wrapping paper of the handle 230 and the cutting start portion 250 as described above. The opening 140 may be formed by cutting the receiving portion 150 and the receiving portion 150 so that the handle 230 and the cutting start portion 250 are received. The grip portion 230 and the cutting start portion 250 are formed in the receiving portion 150 and the sealing portion 140 that are cut when the opening portion is formed in the sealing portion 140 where the receiving portion 150 and the receiving portion 150 protrude ) May be preferable. The handle 230 and the cutting start portion 250 are seated in the receiving portion 150 and the sealing portion 140 in a state where only the receiving portion 150 and the sealing portion 140 are partially cut, It may be desirable to separate when desired.

The opening and closing part 300 forms a predetermined gap with the cord 200 and forms a space S with respect to the inner surface of the wrapping paper 100 in one direction with a predetermined distance from the cord 200, .

3 is a side cross-sectional view schematically showing an open / close part 300 coupled to a double-opened wrapping paper 10 according to an embodiment of the present invention.

Referring to FIG. 3, the opening and closing part 300 may include a detachment protrusion 310 and a detachment groove 330.

The detachment protrusion 310 can be coupled to the first multi-layer film 110 in a shape in which the cross section of the 'convex' extends in one direction.

The desorption grooves 330 may be formed in the inner surface of the second multi-layer film 120 facing the first multi-layer film 110 to which the releasable protrusions 310 are coupled, have.

The detachable protrusion 310 and the detachable groove 330 can be detached so that the detachable protrusion 310 is seated or separated in the detachable groove 330 to reseal the wrapping paper 100 opened with the cord 200 Or re-opened.

4 is a perspective view showing a process of opening the double-opened wrapping paper 10 according to the embodiment of the present invention.

The user can grasp the handle 230 of the cord 200 formed on one side of the wrapping paper 100 to pull out the receiving portion 150 of the wrapping paper 100 to cut the cutout 111. [ The cord 200 can open the wrapping paper 100 and the accommodation space S linearly and constantly. The user can place the removable protrusion 310 of the opening and closing part 300 coupled to the wrapping paper 100 in the removable groove 330 and reseal it. When reusing contents stored in the wrapping paper 100, the user can separate the detachable protrusion 310 from the detachable groove 330 and re-open it.

Forming at least one multi-layered film 110, 120, 130 of the double-opened wrapping paper 10 according to an embodiment of the present invention, forming a cord 200 for opening the wrapping paper on the inner surface of the multi- (300, 300) for re-sealing and re-opening the wrapping paper (100) to the inner surface of the at least one multi-layered film (110, 120) 130 of the cord 200 to form the wrapping paper 10 with the sealing part 140 formed thereon and the step of forming the wrapping paper 10 with the receiving part 150 and the grip part 140 of the cord 200 230 and a cut-off initiation part 250. [

The step of forming the at least one multilayer film 110, 120, and 130 may include forming the first to third multilayered films 110, 120 and 130 such that the film is sandwiched between the antifog layer 100a, the barrier layer 100b, 100c may be laminated in multiple layers. Information on the contents formed on the print layer 100c can be printed by the gravure method.

The first and second multilayered films 110 and 120 may be formed in corresponding shapes. The first and second multilayered films 110 and 120 may be formed to have a receiving part 150 at one side edge. The third multi-layered film 130 may be formed to form the bottom surface of the wrapper 100 and selectively fold it.

The cutout grooves 111 can be formed on the inner surface of the first multilayered film 110 by laser machining or the like to the antifog layer 100a and the barrier layer 100b. The cutout groove 111 may preferably be coupled to be parallel to the top of the wrapper 100.

The step of joining the cord 200 for opening the wrapping paper 100 to the inner surface of the multilayered film may include attaching the cutout 210 of the cord 200 to the cutout groove 111 formed in the first multilayered film 110 . The cutouts 210 may be extended at predetermined intervals to both sides of the wrapping paper 100 to form the sealing part 140 when the wrapping paper 100 is sealed.

The step of joining the opening and closing part 300 for re-sealing and re-opening of the wrapping paper 100 to the inner surface of the at least one multilayered film 110 or 120 may include opening / closing parts 300 are formed at predetermined intervals from the cutout grooves 111 and are coupled in parallel. In addition, the attaching / detaching groove 330 of the opening / closing part is coupled to the inner surface of the second multi-layer film 120 so as to mutually correspond to the attaching / detaching protrusion 310.

The step of forming the wrapping paper 100 with the sealing part 140 by sealing at least one of the multilayered film sheets 110, 120 and 130 is performed by combining the first multilayered film 110 and the second multilayered film 120, The space S can be formed. The first multi-layer film 110 and the second multi-layer film 120 may form the sealing part 140 by sealing the opposite upper and lower edges at predetermined intervals. The wrapping paper 100 may be formed by bonding a selectively foldable third multi-layer film 130 serving as a support to the lower portion of the first multi-layer film 110 and the second multi-layer film 120. The cutouts 210 may be extended at predetermined intervals to the sealing portions 140 formed on both sides.

The step of forming the grip part 230 and the cutting start part 250 of the cord 200 in the sealing part 140 where the receiving part 150 and the receiving part 150 protrude may be performed by the receiving part 150, The receiving portion 150 and the sealing portion 140 are cut around the cutout portion 210 coupled to the sealing portion 140 protruded from the cutout portion 210 to form the handle 230 and the cutout portion 210 having a circular cross- The cutting start portion 250 having a triangular cross section can be formed between the handle 230 and the handle 230. The grip 230 and the cut-off initiator 250 may be seated in the seal 140 so that they may be separated when the user uses the cord 200 for opening the wrapper 100 .

According to an embodiment of the present invention, the double-opened wrapping paper 10 and the method of manufacturing the same can easily open the wrapping paper 100 linearly by including the cord 200 on one side of the wrapping paper 100.

In addition, the cord 200 can open the packaging paper 100 uniformly without damaging the opening and closing part 300, and the packaging paper 100 can be easily resealed.

In addition, the wrapping paper 100 can be easily re-sealed and reopened, so that various foods such as pet foods and nuts can be easily packaged, which makes it difficult for the contents to be taken at once.

Although the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, And various modifications and changes may be made thereto without departing from the scope of the present invention. Accordingly, the spirit of the present invention should not be construed as being limited to the embodiments described, and all of the equivalents or equivalents of the claims, as well as the following claims, belong to the scope of the present invention .

10: double open packing paper 100: wrapping paper
110: first multilayer film 111: cutout groove
120: second multilayer film 130: third multilayer film
140: sealing portion 150: accommodating portion
200: Code 210:
230: Handle portion 250: Cutting start portion
300: opening / closing part 310: detachment projection
320: Detachable groove

Claims (12)

At least one multi-layer film is combined to form a receiving space therein;
A cord tightly coupled to one side of the inner surface of the wrapper to linearly and uniformly open the wrapper; And
An opening / closing part forming a predetermined gap from the cord and coupled to the inner surface of the wrapping paper between the cord and the receiving space of the wrapping paper;
≪ / RTI > The method according to claim 1,
The code includes:
A cutout portion formed at a predetermined distance from one side edge of the wrapping paper and coupled to an inner surface of the wrapping paper in parallel with one edge of the wrapping paper; And
A handle portion coupled to one end of the cutout portion;
≪ / RTI > 3. The method of claim 2,
The code includes:
A cutting start portion coupled between the cutout portion and the handle portion;
Further comprising: The method of claim 3,
The cut-
Double-opened wrapping paper with a triangular cross-section. 5. The method of claim 4,
The code includes:
And the cutout portion is coupled to one side edge of a triangular cross section of the cut start portion. 5. The method of claim 4,
The code includes:
And a grip portion is coupled to one side edge of the triangular cross section of the cut start portion. The method of claim 3,
Wherein,
A receiving portion protruding from one side edge to receive the handle portion and the cutting start portion;
Further comprising: The method according to claim 1,
Wherein,
A cutout groove formed on an inner surface of the coupling surface of the cord;
Further comprising: The method according to claim 1,
Wherein,
A multilayer film having a printing layer in which information of contents is printed in a gravure manner;
Further comprising: The method according to claim 1,
The open /
A detachment protrusion coupled to a surface of the packaging paper in a shape in which a cross section of a 'convex' shape extends in one direction; And
A detachable groove coupled to the inner surface of the wrapping paper opposite to the engaging surface to which the releasing protrusion is engaged,
/ RTI >
Wherein the detachable protrusion coupled to the inner surface of the wrapping paper and the detachable groove are resealed or re-opened. Forming at least one multi-layer film;
Bonding a cord for opening the wrapping paper to the inner surface of the multilayered film;
Bonding an open / close part for resealing and re-opening of the wrapping paper to an inner surface of the at least one multilayered film;
Sealing the at least one multi-layer film to form the wrapper having the seal; And
Forming a grip portion of the cord and a cutting initiation portion in the sealing portion where the receiving portion and the receiving portion protrude;
Wherein the method comprises the steps of: 12. The method of claim 11,
The step of forming at least one multi-
Wherein the multilayer film is laminated with an antifogging layer, a barrier layer and a printing layer.

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