KR101803896B1 - Cup noodle cover for discarding water and method of manufacturing the same - Google Patents

Cup noodle cover for discarding water and method of manufacturing the same Download PDF

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Publication number
KR101803896B1
KR101803896B1 KR1020150182186A KR20150182186A KR101803896B1 KR 101803896 B1 KR101803896 B1 KR 101803896B1 KR 1020150182186 A KR1020150182186 A KR 1020150182186A KR 20150182186 A KR20150182186 A KR 20150182186A KR 101803896 B1 KR101803896 B1 KR 101803896B1
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KR
South Korea
Prior art keywords
layer
polyethylene
fabric
resin
primer
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KR1020150182186A
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Korean (ko)
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KR20170073369A (en
Inventor
강부형
이재훈
최은진
김지일
Original Assignee
율촌화학 주식회사
주식회사농심
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Priority to KR1020150182186A priority Critical patent/KR101803896B1/en
Publication of KR20170073369A publication Critical patent/KR20170073369A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/34—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within the package
    • B65D81/3415—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within the package specially adapted to be heated in hot water, e.g. boil pouches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/10—Container closures formed after filling
    • B65D77/20—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2435/00—Closures, end caps, stoppers
    • B32B2435/02—Closures, end caps, stoppers for containers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Package Specialized In Special Use (AREA)

Abstract

An upper fabric comprising a first polyester film layer and including a cut-away area provided on one side; A lower fabric comprising a second polyester-based film layer; And an adhesive layer interposed between the upper fabric and the lower fabric, the adhesive layer comprising a second primer layer, a polyethylene-based resin layer, a release ink layer, and a first primer layer which are sequentially stacked; Wherein the release ink layer comprises a plurality of openings filled with a polyethylene-based resin, the release ink layer comprising a urethane resin and cellulose acetate propionate (CAP) resin, There is provided a water-drop container surface lid including a polyethylene-based resin layer, a second primer layer, and a half-cut tread penetrating through the lower fabric.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water-

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a water drop container lid and a method of manufacturing the same. More particularly, the present invention relates to a lid of a water-dropping container which is prepared by kneading the surface of the container with hot water and rubbing the surface with water and rubbing the surface with the soup, and a method for producing the lid.

Generally, a container surface such as a cup noodle or the like is provided with a powder or liquid soup together with a surface inside the container, and a lid made of a material such as paper is sealed at the top. The container surface is an instant food which can be easily taken out with only hot water because the cooking is completed over a certain period of time when water is poured, and it is widely used in various places. Meanwhile, in recent years, various kinds of container surfaces such as spaghetti, spaghetti, racooki, and the like, which are prepared by kneading hot water with hot water and throwing it along with water and rubbing the surface with powder or liquid soup, are manufactured and sold It is true. In this case, in the case of the rinsing type container as described above, a structure for discharging the water to the outside of the container after the side is cooked with hot water is used. In the past, a hole is opened through chopsticks or the like on one side of the lid of the water- A watertight container lid with a venting structure was developed. In this case, there is a problem that the hole is not punctured by the carelessness of the user, and the lid is torn to inconvenience the user.

In addition, by applying a structure in which the container surface lid is formed as an upper fabric and a lower fabric and water draining holes are formed in the lower fabric, a part of the upper fabric is removed and a drain hole for draining water is exposed, There has been developed a lid for the surface of the water-dropping container which allows convenient cooking to proceed, but it has a problem that the adhesive strength between the upper and lower fabrics is uneven and the lid of the container surface is torn, There were hygiene problems.

Japanese Patent Application Laid-Open No. 4090608 Japanese Patent Application Laid-Open No. 4138123 Korean Patent Publication No. 10-2013-0098445

In an embodiment of the present invention, in a container surface of a type which is prepared by kneading a surface of a container having a predetermined shape with hot water and throwing it along with water and rubbing the surface with a soup, The cutout area is uniformly removed and the discharge holes are formed uniformly so that the consumer removes only the cut-off induction wire embedded in the lid of the water-dropping container face, The present invention provides a lid for a surface of a water drop container and a method of manufacturing the lid of the water drop container, which enables to easily perform the cooking operation while discharging the water in the container very easily.

In one embodiment of the present invention, a top fabric comprising a first polyester film layer and including a cut-out area provided on one side; A lower fabric comprising a second polyester-based film layer; And an adhesive layer interposed between the upper and lower fabrics, the adhesive layer comprising a second primer layer, a polyethylene-based resin layer, a release ink layer, and a first primer layer which are sequentially stacked; Wherein the release ink layer comprises a plurality of openings filled with a polyethylene-based resin, the release ink layer comprising a urethane resin and a cellulose acetate propionate (CAP) resin, There is provided a water-drop container surface lid including a polyethylene-based resin layer, a second primer layer, and a half-cut tread penetrating through the lower fabric.

In an exemplary embodiment, the upper fabric comprises a first polyester based film layer, a paper layer, a print layer and a glossy layer; The first polyester film layer may abut the first primer layer.

In an exemplary embodiment, the lower fabric comprises a sequentially laminated sealant layer, a metal layer and a second polyester film, wherein the second polyester film layer can abut the second primer layer.

In an exemplary embodiment, the adhesion between the first primer layer and the release ink layer may be stronger than the adhesion between the polyethylene-based resin layer and the release ink layer.

In an exemplary embodiment, the first primer layer comprises an aqueous adhesive, and the second primer layer may comprise a urethane resin.

In the exemplary embodiment, the polyethylene-based resin filling the opening and the tread are removed together as the cut-out area is removed, and a plurality of discharge holes penetrating the polyethylene-based resin layer, the second primer layer, Can be revealed.

In an exemplary embodiment, the plurality of discharge holes may be spaced apart from each other at regular intervals.

In an exemplary embodiment, the release ink layer may comprise 70 to 90 parts by weight of a urethane resin and 10 to 30 parts by weight of a CAP resin, based on the total weight of the release ink layer.

In an exemplary embodiment, the upper fabric includes a releasing tab and a peeling tab having a protruding shape, and the opening tab and the peeling tab may be formed in directions opposite to each other.

In another embodiment of the present invention, there is provided a method of making a film, comprising: forming a top fabric comprising a first polyester based film layer; Forming a first primer layer on the upper fabric and a second primer layer on the lower fabric; Performing a printing process on a lower side of the first primer layer to form the release ink layer including a urethane resin and a cellulose acetate propionate (CAP) resin, the release ink layer including a plurality of openings ; Forming a polyethylene-based resin layer by extrusion-coating a melted polyethylene-based resin between the release-type ink layer and the lower-end fabric, and attaching the upper and lower fabrics to each other via the polyethylene-based resin layer; A half-cutting process is performed on the upper and lower fabrics to form a cut-out area on one side of the upper fabric corresponding to a region where the release ink layer is formed on the lower portion, and the polyethylene- Forming a ridge through the two primer layers and the lower fabric; And cutting the upper and lower fabrics adhered to each other according to the shape of the container surface to produce a water drop container surface lid; A method of manufacturing a water drop container lid comprising the steps of:

In an exemplary embodiment, the step of forming the upper fabric comprises forming the first polyester-based film layer, the paper layer, the print layer and the glossy layer to be sequentially laminated; Wherein the forming of the lower fabric comprises forming a sealant layer, a metal layer and the second polyester film layer so as to be sequentially laminated; . ≪ / RTI >

In an exemplary embodiment, the first primer layer is formed to include an aqueous adhesive material, and the second primer layer may be formed to include a urethane resin.

In an exemplary embodiment, when forming the polyethylene-based resin layer, a plurality of openings of the release ink layer may be filled with the melted polyethylene-based resin.

In an exemplary embodiment, forming the release ink layer may be performed through a gravure printing process.

In an exemplary embodiment, the step of forming the ridge may be a step of performing a half cutting process so as to penetrate the polyethylene-based resin layer, the second primer layer, and the lower fabric at a lower portion of the openings.

According to one embodiment of the present invention, in a surface of a container of a kind such as a surface embedded in a container of a predetermined shape, which is cooked with hot water and then discarded along with water and rubbed with a soup, It is possible to manufacture the water drop container lid to which the specific structure exposed at the same time as the removal of the cut area of the water drop container area is applied. Therefore, the consumer who wants to take the container surface can remove the cut-off induction line embedded in the lid of the water-dropping container surface, and can easily carry out the cooking operation while discharging the water in the container through the discharge hole very easily. It is possible to significantly improve the satisfaction of the consumer.

In addition, the lid of the watering container according to an embodiment of the present invention includes a release ink layer partially formed at the lower part of the first primer layer existing in the lower part of the upper fabric, so that the cut- And can be assisted to peel off. In addition, since the portion where the release ink layer is printed has excellent peeling force with the lower end, foreign matter may not remain on the lower end even after peeling off the cut end of the upper end from the lower end, do.

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a cross-sectional view of a cut-out region of a water drop container lid according to one embodiment of the present invention.
FIG. 2 is a cross-sectional view of a cut-out region of a lid of a water-dropping container surface when the cut-out region of the water-drop container lid according to an embodiment of the present invention is peeled off.
FIG. 3 is a plan view of a water drop container surface according to an embodiment of the present invention. FIG.
FIG. 4 is a schematic view showing a method of manufacturing a lid of a watering container according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is to be understood that the same is by way of illustration and example only and is not to be construed as limiting the scope of the present invention.

In the present specification, the term " water abandonment " means that the water is poured into the container by opening the container surface lid, and then the water is removed through the one side of the container surface lid.

In the present specification, the term " container surface " is not limited to the noodles contained in the container, and may be various kinds of food such as rice, barley and the like.

As used herein, the term " flushing container surface lid " means a container surface lid capable of performing the flushing function.

In the present specification, the "cut-out area" is an area provided on one side of the upper edge of the upper surface of the lid of the water-dropping container surface, and means an area of the upper fabric which can be peeled off from the lower fabric when an external force is applied.

As used herein, the term " half-cutting process " refers to a process of forming a cut-off inducing line on an object so that an external force can be applied to easily separate or peel it off.

In the present specification, the term " upper fabric half-cutting process " refers to a process of forming a cut-out guide line only on the upper fabric to remove only one region of the upper fabric.

As used herein, the term " tread " means a region formed below the openings of the release ink layer to form a plurality of discharge holes, and a cut-off inducing line formed through the lower end. The tread may be peeled together with peeling of the cut-away area of the upper fabric. As the tread is peeled off, a plurality of discharge holes passing through the polyethylene-based resin layer, the second primer layer and the lower fabric of the adhesive layer are exposed have.

As used herein, the term " opening " means a hole, and means only a hole formed in the release ink layer. That is, the plurality of openings means a plurality of holes (holes) formed in the release ink layer.

Water drop container lid

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a cross-sectional view of a cut-off region of a lid of a water fall container according to an embodiment of the present invention. 2 is a cross-sectional view of one area of the surface of the water-dropping vessel surface when the cut-off region of the water-dropping vessel surface lid according to an embodiment of the present invention is peeled off. 3 is a perspective view of a container including a surface flushing lid according to an embodiment of the present invention.

On the other hand, the lid of the water drop container of the present invention is provided with a cutout area (2 in Fig. 3) provided in the lid of the water drop container lid and a part of the tread (not shown) (60 in Fig. 3) is exposed, and Fig. 1 and Fig. 2 are enlarged views of only the cut-out region of the water drop container surface lid.

Hereinafter, the structure of the surface flushing lid according to one embodiment of the present invention will be described in detail with reference to FIGS. 1 and 2. FIG.

Referring to FIG. 1, the lid of the water drop container according to an embodiment of the present invention may include an upper fabric 20, an adhesive layer 40, and a lower fabric 50.

First, the upper fabric 20 may comprise a sequentially sequentially laminated first polyester film layer 28, a paper layer 26, a print layer 24, and a glossy layer 22.

The gloss layer 22 may serve to improve the hardness of the water drop container surface lid 1 and to protect the print layer 24, and may specifically include an aqueous acrylic resin or the like.

 The printing layer 24 is a layer formed by performing various printing operations including the product name of the container surface. The paper layer 26 may include, for example, food grade hygroscopic paper or the like. Although not shown, an adhesive layer may be further formed between the paper layer 26 and the first polyester film layer 28 described later, and the adhesion between the paper layer 26 and the first polyester film layer 28 Can be improved.

 The first polyester film layer 28 can be formed to adhere to the paper layer 26 and can prevent tearing of the paper layer 26 upon peeling of the cutout area 2 of the upper fabric 20, It can play a role of helping to preserve the shape of the cap 1 when the cutting process is performed. The first polyester based film layer 28 may comprise, for example, polyethylene terephthalate (PET).

In the exemplary embodiment, the upper fabric 20 is a region provided on one side of the upper end edge of the water draining vessel surface lid, and is a cut region (hereinafter referred to as " Not shown).

In one embodiment, the cut-out area may be half-cut so that it can be easily peeled off when the user applies an external force to pull the cut-out area.

The lower fabric 50 may include a sequentially stacked sealant layer 56, a metal layer 54 and a second polyester film 52. The lower fabric 50 may include a second fabric layer 52, And may be partially cut to form a plurality of discharge holes that are peeled together and pass through the lower fabric 50 when the cut region 2 is peeled off.

In the exemplary embodiment, the second polyester film 52 is formed in the lower raw fabric 50 to form a rudder to be described later, and to form the lower raw fabric 50 in the form of a plurality of discharge holes, Can help. The second polyester-based film layer 52 may be, for example, PET.

The metal layer 54 serves to protect the food inside the container 3 and may include, for example, an aluminum foil or an aluminum deposition compound.

The sealant layer 56 may be provided on the lower fabric 50 to seal the interior of the water draining container surface lid 1 attached to the upper end of the container 3.

In an exemplary embodiment, the sealant layer 56 may be comprised of a single layer or a plurality of layers.

In an exemplary embodiment, the sealant layer 56 may comprise an acrylic acid copolymer, an ethylene vinyl acetate (EVA) polymer, or ethylene metha acrylic acid (EMAA) .

In an exemplary embodiment, when the sealant layer 56 is comprised of a plurality of layers, the sealant layer 56 may comprise a first layer comprising an acrylic acid copolymer and a second layer comprising an ethylene-vinyl acetate resin-based polymer, .

In an exemplary embodiment, the sealant layer 56 may have a thickness of about 30 to 40 占 퐉.

The adhesive layer 40 is interposed between the upper fabric 20 and the lower fabric 50. The adhesive layer 40 helps to peel the upper fabric 20 and the lower fabric 50 when an external force is applied Can play a role.

Specifically, the adhesive layer 40 may include a second primer layer 48, a polyethylene-based resin layer 46, a release ink layer 44, and a first primer layer 42 which are sequentially stacked.

The second primer layer 48 can improve adhesion of the lower fabric 50 formed under the second primer layer 48 to the second polyester film 52. [ The second primer layer 48 may adhere to the lower portion of the polyethylene-based resin layer 46 to contribute to uniformly maintaining the peeling strength of the polyethylene-based resin layer 46. When the second primer layer 48 is formed The deviation of the peeling strength occurs sporadically depending on the extrusion temperature of the polyethylene-based resin layer 46, so that the problem of mass productivity of the water-dropping container surface lid 1 may occur.

In an exemplary embodiment, the second primer layer 48 may comprise a urethane resin.

The polyethylene-based resin layer 46 can function as a separation layer separating the upper and lower fabrics 20, 50. The polyethylene-based resin layer 46 may include a material having poor adhesion with a polyester-based material, and may specifically include polyethylene (PE).

The second primer layer 48 and the polyethylene resin layer 46 are peeled together to form a plurality of discharge holes when the cut-out area 2 of the upper fabric 20 is peeled off, similarly to the lower fabric 50 And the half-cut portion of the second primer layer 48 and the polyethylene-based resin layer 46 corresponds to the half-cut portion of the lower fabric 50, Lt; RTI ID = 0.0 > 44 < / RTI >

In an exemplary embodiment, the peel force between the upper and lower fabrics 20, 50 adhered via the adhesive layer 40 can be about 150 g (± 10%) (ASTM D903 test basis). Preferably, the peel force between the upper and lower fabrics 20, 50 may be less than 100 g.

The first primer layer 42 is formed on the lower portion of the upper fabric 20 and the first primer layer 42 is formed on the first polyester film 28 and the release ink layer 44, May include this superior material. For example, the first primer layer 42 may comprise an aqueous adhesive material applicable to food.

In an exemplary embodiment, the aqueous adhesive may include an aqueous base polyethylene-based primer, and may specifically include a polyethylene imine resin, a polyethylene-based resin, and the like.

In general, the adhesive strength between the polyethylene resin layer 46 and the first polyester film layer 28 containing a polyester-based material may be insufficient. However, according to the embodiment of the present invention, the first primer layer 42 interposed between the first polyester film layer 28 and the polyethylene-based resin layer 46 in the case of the lid of the water- The peel strength of the cut-out area 2 can be adjusted while maintaining the adhesive force between the polyethylene resin layer 46 and the polyester film layer 28, So that it can be easily assisted. If the first primer layer 42 is not provided, the adhesion between the polyethylene-based resin layer 46 and the polyester film layer 28 is lowered so that a certain level of peelability is expected when peeling off the tread It can be difficult.

On the other hand, when the cut-off area 2 and the tread described later are peeled together from the polyethylene-based resin layer 46, the second primer layer 48 and the lower fabric 50, the release- So that foreign matters can be prevented from being generated in the stratum 46 so as to be more smoothly peeled off.

In the exemplary embodiment, the release ink layer 44 is interposed between the first primer layer 42 and the polyethylene-based resin layer 46, and the release ink layer 44 is provided under the first primer layer 42 And printed.

In the exemplary embodiment, the release ink layer 44 may comprise a plurality of openings filled with a polyethylene-based resin of the polyethylene-based resin layer 46. That is, under the first primer layer 42, there may be a region in which the release ink layer 44 is not partially printed so as to have a circular or elliptical shape.

In one embodiment, the apertures may be spaced apart from one another by a predetermined distance.

In the exemplary embodiment, the bonding force between the release ink layer 44 and the first primer layer 42 may be significantly stronger than the bond strength between the release ink layer 44 and the polyethylene-based resin layer 46. The first primer layer 42 and the release ink layer 44 stacked on the cutout area of the upper fabric 20 and the lower part of the cutout area when the cutout area of the upper fabric 20 is peeled off are made of polyethylene- It can be easily peeled off from the ground layer 46.

That is, generally, when the cut-off area 2 is peeled off when the release ink layer 44 is not formed, a strong adhesive force between the first primer layer 42 and the polyethylene-based resin layer 46 A part of the first polyester film layer 28 may remain on the polyethylene resin layer 46 to form foreign matter or a part of the polyethylene resin layer 46 may be torn off.

Meanwhile, the lidding surface lid according to the present invention includes a release ink layer 44 printed on the lower part of the first primer layer 42. When the cut-out area 2 is peeled off, the first primer layer 42 The first primer layer 42 and the release ink layer 44 formed at the lower portion of the cut-out area 2 by the bonding force of the release ink layer 44 and the release ink layer 44 are separated from the polyethylene-based resin layer 46 together with the cut- It can be peeled off.

On the other hand, the plurality of openings of the releasing ink layer 44 include a releasable ink layer 44 corresponding to the half-cut regions of the polyethylene-based resin layer 46, the second primer layer 48 and the lower fabric 50, And the like. For convenience of explanation, the polyethylene-based resin layer 46, the second primer layer 48, and the lower fabric 50 formed on the lower portion of the plurality of openings filled with the polyethylene-based resin of the releasable ink layer 44 are half-cut Areas are called other.

 The release ink layer 44 according to the present invention has a good binding force with the first primer layer 42 while the portion where the release ink layer 44 is not printed (i.e., the plurality of openings) is filled with the polyethylene resin have. At this time, the bonding force between the first primer layer 42 and the polyethylene-based resin filling the openings is excellent so that the cutout area 2 can be easily peeled off from the lower fabric 50, It is possible to easily form water draining holes passing through the polyethylene-based resin layer 46, the second primer layer 48 and the lower fabric 50.

In an exemplary embodiment, the release ink layer 44 may comprise a urethane resin and a cellulose acetate propionate (CAP) resin.

In one embodiment, relative to the total weight of the release ink layer 44, the release ink layer 44 may comprise 70 to 90 parts by weight of the urethane resin and 10 to 30 parts by weight of the CAP resin. If the CAP resin is contained in an amount of less than 10 parts by weight based on the total weight of the composition, it may be difficult to peel off the top fabric 20 and the polyethylene-based resin layer 46 due to lack of releasability of the lid of the water- If the amount of the CAP resin exceeds 30 parts by weight, the adhesive force between the release ink layer 44 and the first primer layer 42 is insufficient, and the upper fabric 20 and the rubbers may be peeled off unevenly.

In one embodiment, the release ink layer 44 may be formed by gravure printing a composition comprising a urethane resin and a CAP resin under the first primer layer 42, and may be printed with a very thin thickness.

3 is a perspective view of a container including a surface flushing lid according to an embodiment of the present invention. Hereinafter, the use of the flush lid surface will be described in detail with reference to FIG. 2 and FIG.

Referring to FIGS. 2 and 3, the water-dropping container surface lid 1 according to the embodiment of the present invention is prepared by kneading a surface built in the container 3 having a predetermined shape with hot water, It can be used on the surface of jelly, spaghetti, racist, etc. made to eat. The water drop container lid 1 is formed so that the upper end 20, the adhesive layer 40 and the lower end 50 are integrally formed to have a shape substantially similar to a disk or a disk, And is configured to be attached to the upper portion of the container 3.

The water drop container lid 1 is also provided with a cutout area 2 provided in the water drop container lid 1 and a peel off part of a tread partially not attached to the lower part of the cutout area 2 And a structure in which the discharge hole 60 for discharging the water is exposed at the same time, so that the user can more conveniently carry out the cooking operation of the container surface.

Meanwhile, one region of the upper fabric 20 to which the specific structure of the present invention is applied may be formed to have a shape protruding from the container 3, and this will be referred to as the opening tab 5 hereinafter. The opening tab 5 may be an area for completely separating the water drop container surface lid 1 from the container. In addition, the cutout area 2 may be formed in another area of the upper end 20 which is opposite to the opening tab 5. The cutout area 2 is formed on one area of the upper end 20 corresponding to the water fall out port to be described later and the cutout inducing line is formed in the cutout area 2, have. A part of the cut-out area 2 may be formed to have a shape protruding from the container 3, and this will be referred to as a peeling tab 9 hereinafter.

Hereinafter, the operation of the lid of the water draining container according to one embodiment of the present invention will be described.

First, in order to grasp a predetermined container surface to which a water surface container lid according to the present invention is applied, the opening tab 5 of the water surface container lid 1 provided at the upper portion of the container 3 is opened, (1), which is constituted by a water-draining container-side lid (1) so that water inside the container (3) can be discharged to the outside after pouring the inside of the container And applies the external force to pull the cut region The polyethylene resin layer 46 as well as the polyethylene resin which fills the openings of the cutout region 2 and the release ink layer 44 by applying an external force to the peeling tab 9 of the cutout region 2, 2 rim passing through the primer layer 48 and the lower fabric 50 can be peeled off from the water drop container surface lid 1. [

Specifically, in pulling out the cut-out area 2, the upper and lower fabrics 20 and 50 are separated from each other in a region below the first primer layer 42 corresponding to the cut- The ink layer 44 may be formed. On the other hand, the release ink layer 44 may include a plurality of openings filled with a polyethylene-based resin, which may include a polyethylene-based resin layer 46 May be formed such that the openings are filled. On the other hand, a ridge passing through the adhesive layer 40 and the lower region 50, which is half-cut at the bottoms of the openings, is provided. In the upper part of the polyethylene resin layer 46 corresponding to the plurality of openings, The releasing ink layer 44 may not be printed and one portion of the first primer layer 42 may be in contact with the lead-out portion of the polyethylene-based resin layer 46. The adhesive force between the releasing ink layer 44 and the polyethylene- Can be formed stronger than the adhesive force of the layer (46).

Therefore, when an external force is applied to the peeling tab 9 of the cutout area 2 to peel off the cutout area 2, the cutout area 2 formed through the half cutting process is formed on the upper end fabric 20, A polyethylenic resin layer 46 filling the openings and a polyethylenic resin layer 46 penetrating through the polyethylene-based resin layer 46, the second primer layer 48 and the lower fabric 50 formed through the half cutting process; A plurality of discharge holes 60 penetrating the polyethylene-based resin layer 46, the second primer layer 48 and the lower fabric 50 are formed simultaneously with the separation from the two primer layers 48 and the lower fabric 50 (See Figs. 2 and 3).

3 shows that only one region of the cut region 2 is separated from the lower raw fabric 50. Alternatively, the entire region of the cut region 2 may be separated from the lower raw fabric 50. FIG.

Therefore, the user can easily remove the container (1) through the plurality of discharge holes (60) punctured in the water surface container lid (1) by a very simple method of applying an external force to the cutout area (2) The water in the container 3 can be easily discharged to the outside through the discharge hole 60 while being inclined.

Thereafter, the water draining container surface lid 1 is completely separated from the container by using the opening tab 5, and then the surface of the container can be grasped by rubbing the surface with a predetermined soup or the like.

As can be seen, the flushing lid 1 according to one embodiment of the present invention comprises an upper fabric 20 and a lower fabric 50 (FIG. 2) each comprising first and second polyester films 28, And an adhesive layer 40 interposed between the upper and lower fabrics 20 and 50. The adhesive layer 40 may include a release ink layer 44. [ At this time, the releasing ink layer 44 includes a plurality of openings, and the polyethylene resin layer 46, the second primer resin layer 48, and the lower fabric 50 are half cut A rudder can be formed. Cutting areas 2 may also be provided in the upper fabric 20 corresponding to the openings.

 The existing water drop container lid has the release layer formed entirely in the lower part of the upper fabric, and it is difficult to easily separate only the cut area. On the other hand, when the release layer is not formed, there arises a problem such as the surface of the container due to strong adhesive force between the upper fabric and the adhesive layer, and even after the cut area is peeled off, . On the contrary, the present invention can assist in easily separating the cut-out region of the upper fabric from the lower fabric by partially forming the release ink layer on the first primer layer existing in the lower part of the lower part of the upper fabric. In addition, since the portion where the release ink layer is formed achieves the uniformity of the peeling process, foreign matter may not remain on the exposed surface even after peeling off the cut-off region, so that there is an excellent hygienic effect.

Specifically, in the container lid according to an embodiment of the present invention, when an external force is applied to the cut-out area to peel off the cut-out area from the lower fabric, the release ink layer and the polyethylenic resin layer The cut area can be easily peeled off from the lower fabric due to the low bonding force.

In addition, the conventional water drop container lid required separate release papers on the upper fabric, however, there was a problem that the container drain holes could not be uniformly formed when the application of the release coating agent was uneven. On the other hand, the present invention can solve the problems of peeling unevenness due to non-uniform application of a release agent by using a urethane resin and a CAP resin in the release ink layer.

How to make a lid of a water drop container

FIG. 4 is a schematic flow chart showing a method of manufacturing a surface flushing lid according to an embodiment of the present invention.

Referring to FIG. 4, a method of fabricating a flushing container surface lid according to an embodiment of the present invention includes: forming an upper fabric including a first polyester film layer; Forming a first primer layer on the upper fabric and a second primer layer on the lower fabric; Printing a release ink layer on the lower side of the first primer layer to include a plurality of openings; Forming a polyethylene-based resin layer by extrusion-coating a melted polyethylene-based resin between the release ink layer and the lower fabrics, and attaching the upper and lower fabrics to each other through the polyethylene-based resin layer; A half-cutting process is respectively performed on the upper and lower fabrics to form a cut-out area on one side of the upper cloth corresponding to a region including the openings of the release ink layer in the lower portion, Forming a tread through the polyethylene-based resin layer, the second primer layer, and the lower fabric; And cutting the upper and lower fabrics adhered to each other according to the shape of the container surface to produce a water drop container surface lid; . ≪ / RTI >

Referring to FIG. 4, a method of manufacturing a surface flushing lid according to an embodiment of the present invention will be described below.

In order to manufacture the lid of the water draining container, first, an upper fabric is formed (S100).

Specifically, the upper fabric may be formed to include a sequentially sequentially laminated first polyester film layer, a paper layer, a print layer, and a glossy layer, and the specific constitution of each layer is substantially the same as or similar to that described above A detailed description thereof will be omitted.

Then, an upper fabric wound in a roll shape is supplied to the printing apparatus side, and a predetermined printing operation corresponding to the product can be performed on the upper surface thereof through a plurality of printing rollers provided according to the printing frequency.

Then, a lower fabric is formed (S200).

Specifically, the lower end may be formed to include a sequentially stacked sealant layer, a metal layer, and a second polyester film, and the detailed structure of each layer is the same as or similar to that described above, and thus a detailed description thereof will be omitted.

Next, a first primer layer is formed on the upper fabric and a second primer layer is formed on the lower fabric (S300).

Specifically, a first primer layer is formed on the lower end of the upper fabric wound in a roll form. The first primer layer may comprise an aqueous adhesive.

Also, a second primer layer is formed on the upper portion of the lower fabric wound in a roll form. The second primer layer may comprise a urethane resin. More detailed configurations of the first primer layer and the second primer layer are the same as or similar to those described above, and thus a detailed description thereof will be omitted.

Then, a release ink layer including a plurality of openings is printed on the lower side of the first primer layer (S400).

Specifically, the release ink layer is printed so as to include a plurality of openings below the one side of the lower end of the first primer layer wound in a roll form (i.e., the portion where the cutout area is to be formed). At this time, the apertures may be printed so as to be spaced apart from each other by a predetermined distance.

 In an exemplary embodiment, the release ink layer may be formed through a gravure printing process. Accordingly, the release ink layer is partially uniformly printed on the lower portion of the upper fabric, so that the release ink layer can be formed with a very uniform thickness on the lower side of the first primer layer.

Thereafter, the polyethylene-based resin layer is formed by extrusion-coating a melted polyethylene-based resin between the release-type ink layer and the lower-end fabric, and the upper and lower fabrics are attached to each other via the polyethylene-based resin layer (S500) .

Specifically, the release ink layer formed under the first primer layer is coated with a polyethylene-based resin layer melted at a high temperature, and a second primer layer formed on the upper portion of the lower fabric corresponding to the upper fabric is in contact with the roller, .

On the other hand, the plurality of openings of the release ink layer may be filled with the molten polyethylene resin of the melted polyethylene-based resin layer.

As a result of the above processes, the adhesive layer including the second primer layer, the polyethylene-based resin layer, the release ink layer, and the first primer layer, which are sequentially formed on the upper and lower ends of the upper and lower fabrics, The corresponding surfaces of the upper fabric and the lower fabric may be integrally adhered to each other via the polyethylene-based resin layer or the like of the adhesive layer.

In an exemplary embodiment, the polyethylene resin may be fused at a temperature of about 300 to 340 占 폚.

Accordingly, an adhesive layer interposed between the upper and lower fabrics and including a first primer layer, an adhesive layer, and a second primer layer may be formed.

Thereafter, a half-cutting process is performed on the upper fabric, the adhesive layer and the lower fabric to form a cut-out area on one side of the upper fabric having the release ink layer formed thereon, and the polyethylene- A plurality of treads penetrating the second primer layer and the lower fabric are formed (S600).

Specifically, a half cutting process may be performed to form a cutout guide line in one area of the upper fabric corresponding to the area where the release ink layer is formed so that the cutout area can be easily separated. Cutting guide lines are formed in the upper fabric through the half cutting process, so that the cut areas can be distinguished by the naked eye.

In the exemplary embodiment, by performing the upper-side half-cut process, not only the cut-out area but also the first primer layer and the release ink layer that are present in the lower portion of the cut-out area can be formed with cutting lines.

On the other hand, a half cut process is performed on one area of the polyethylene-based resin layer, the second primer layer and the lower fabric corresponding to the lower portions of the openings of the release-type ink layer to form the cut-out area to form the polyethylene- The second primer layer, and the lower cloth.

Finally, the lid of the water drop container is cut (S700).

Specifically, the upper and lower fabrics are cut into a disc shape or a similar shape depending on the shape of the container surface through a predetermined cutting device, so that the water drop container surface lid according to one embodiment of the present invention .

At this time, one area of the lid of the water draining container surface may be formed to have a shape protruding from the container, so that the above-described opening tab can be formed. In addition, the above-described cut-off area may exist in another area of the lid of the water-dropping container surface opposite to the opening tab. In one region of the cutout region, a peeling tab having a shape protruding from the container can be formed. On the other hand, FIG. 3 shows a cut region having a shape and a peeling tab, but the present invention is not limited thereto, and the cut region and the peeling tab can have various shapes.

As described above, according to the above manufacturing method, by coating the release ink layer having a plurality of openings in the first primer layer existing in the lower part of the upper fabric, the cut area of the upper fabric can be easily peeled off from the lower fabric . In addition, the area where the release ink layer is formed is easy to peel off, and even after peeling off the cut area, the foreign matter may not remain, so that there is an excellent food hygiene effect.

In addition, since the release ink layer of the present invention is partially and uniformly printed on the lower portion of the upper fabric, it is possible to eliminate the problem of releasing force deviation that may occur due to uneven application of the release coating agent, so that a plurality of discharge holes are uniformly formed in the surface can do.

The present invention will be described in more detail through the following examples. However, the examples are for illustrating the present invention, and the scope of the present invention is not limited thereto.

Example

Example 1

A lower layer was formed by sequentially laminating a sealant layer (a laminate of EMMA and EVA each having 15 to 20 占 퐉, a metal layer (aluminum, 6 to 7 占 퐉) and a PET film (12 to 16 占 퐉) ), A printed paper layer 60g and a glossy layer (aqueous acrylic resin) were sequentially laminated to form an upper fabric. Then, a polyethylene resin and a polyurethane resin were respectively coated on the upper and lower fabrics to form a first primer layer and a second primer layer.

Next, a release ink layer having a plurality of openings was coated on the first primer layer by gravure coating using urethane resin and cellulose acetate propionate (CAP) resin. The ratio of urethane resin to CAP resin was 3: 7.

Thereafter, a melted polyethylene resin is extrusion-coated between the release ink layer and the lower fabrics to form a polyethylene-based resin layer, and the upper and lower fabrics are attached to each other via the polyethylene-based resin layer.

A half-cutting process is performed on each of the upper and lower fabrics to form a cut-out area on one side of the upper fabric having the release ink layer formed therebelow, and the polyethylene-based resin layer, the second primer layer And a tread penetrating through the lower fabric were formed to prepare the surface flap of the flushing container according to Example 1.

Example 2

The same procedure as in Example 1 was carried out except that the ratio of the urethane resin and the CAP resin was 5: 5 when the release ink layer was produced to prepare the surface cover of the flushing container according to Example 2.

Example 3

The same procedure as in Example 1 was carried out except that the ratio of the urethane resin to the CAP resin was 7: 3 when the release ink layer was produced to prepare the surface cover of the flushing container according to Example 3.

Example 4

The same procedure as in Example 1 was carried out except that the ratio of the urethane resin to the CAP resin was 9: 1 in the production of the release ink layer, thereby preparing the water cover container lid according to Example 4.

Comparative Example 1

The same process as in Example 1 was carried out except that only urethane water was used in the production of the release ink layer to prepare the surface cover of the water-dropping container according to Comparative Example 1.

Comparative Example 2

The same process as in Example 1 was carried out except that only the CAP resin was used in the production of the release ink layer, to prepare the flush cover lid according to Comparative Example 2.

Experimental Example 1: Measurement of interlaminar bond strength and evaluation of uniformity of peeling surface

The specimens of the surface lid prepared according to Examples 1 to 4 and Comparative Examples 1 and 2 were cut to 15 mm and the upper and lower fabrics were peeled off to measure the interlaminar bond strength four times and shown in FIG. In the above table, X represents a case where the interlaminar bond strength is insufficient,? Represents a case where the interlaminar bond strength is normal, and O represents a case where the interlaminar bond strength is excellent.

1 time
(g / 15 mm) Episode 2
(g / 15 mm) 3rd time
(g / 15 mm) 4 times
(g / 15 mm) Remarks Example 1
(Urethane: CAP = 3: 7) Top Less than 5 Less than 5 Less than 5 Less than 5 The film was not attached. bottom X X X X △ Example 2
(Urethane: CAP = 5: 5) Top 30 40 30 30 Not only the peeling becomes uneven, but also the ink is left on the upper and lower fabrics. bottom △ X △ X Example 3
(Urethane: CAP = 7: 3)
Top 70 70 80 65 Overall upper fabric and ink layer are uniformly peeled off bottom O △ O O Example 4
(Urethane: CAP = 9: 1) Top 100 90 110 80 Upper fabric
The ink layer is uniformly peeled off
bottom O O △ △ Comparative Example 1
(Urethane resin) Top - - - - No inter-film sticking bottom X X X X Comparative Example 2
(CAP resin) Top 200g 190g 180g 200g The upper fabric (the release-type ink layer and the polyethylene-based resin layer are uniformly peeled off, but the adhesion between the films is excessively high bottom X X X X

As shown in Table 1, it can be seen that the upper fabric and the release ink layer are uniformly peeled off when the mixing ratio of the urethane resin and the CAP resin is 7: 3 to 9: 1 (Examples 3 and 4) there was. In addition, it was confirmed that the adhesion between films was also excellent. However, it was confirmed that the case where the mixing ratio of the urethane resin and the CAP resin was 7: 3 (Example 3) was superior to the case where the mixing ratio of the urethane resin and the CAP resin was 9: 1.

Experimental Example 2: Test for attaching paper containers

The specimens of the surface lid prepared according to Examples 1 to 4 and Comparative Examples 1 and 2 were cut to 15 mm and adhered to a paper container with heat and pressure, and then the upper and lower fabrics were peeled off to measure the interlaminar bond strength Table 2 shows the results.

Before paper containers
Bond strength (g / 15mm) After attaching the paper container
Bond strength (g / 15mm) Example 1
(Urethane: CAP = 3: 7) 5 20 Example 2
(Urethane: CAP = 5: 5) 30 70 Example 3
(Urethane: CAP = 7: 3) 70 200 Example 4
(Urethane: CAP = 9: 1) 100 300 Comparative Example 1
(Urethane: CAP = 10: 0) 200 1000

As shown in Table 2, it was generally confirmed that the interlaminar bond strength of the test pieces after the paper container was increased. On the other hand, when the blending ratio of the urethane resin and the CAP resin was 3: 7 to 5: 5 (Examples 1 and 2), the interlaminar bond strength was insufficient and it was confirmed that it was not enough to be used as the lid of the container surface. When the mixing ratio of the CAP resin was 10: 0 (Comparative Example 1), it was expected that the adhesive strength was excessively strong after attachment of the paper container, and the peeling of the upper fabric was not smooth. Accordingly, as compared with the case where the mixing ratio of the resin and the resin of the CAP is 7: 3 to 9: 1 (Examples 3 and 4), not only the upper raw material and the releasing ink layer are uniformly peeled, Was also excellent.

1: Water discarding container lid 2: Cutting area
3: container
5: opening tab 9: peeling tab
20: upper fabric 22: glossy layer
24: print layer 26: paper layer
28: First polyester-based film layer
40: adhesive layer 42: first primer layer
44:
46: polyethylene-based resin layer 48: second primer layer
50: lower fabric 52: second polyester film
54: metal layer 56: sealant layer
60: discharge hole

Claims (15)

An upper fabric comprising a first polyester film layer and including a cut-away area provided on one side;
A lower fabric comprising a second polyester-based film layer; And
An adhesive layer interposed between the upper and lower fabrics, the adhesive layer comprising a second primer layer, a polyethylene-based resin layer, a release ink layer, and a first primer layer which are sequentially stacked; / RTI >
Wherein the release ink layer comprises a plurality of openings filled with a polyethylenic resin, wherein the release ink layer comprises a urethane resin and a cellulose acetate propionate (CAP) resin,
A second primer layer provided on the lower side of the openings and half-cut to penetrate through the polyethylene-based resin layer, the second primer layer and the lower fabric,
Wherein the release ink layer comprises 70 to 90 parts by weight of a urethane resin and 10 to 30 parts by weight of a cellulose acetate propionate (CAP) resin, based on the total weight of the release ink layer,
The adhesion between the first primer layer and the release ink layer is stronger than the adhesion between the polyethylene-based resin layer and the release ink layer,
Wherein the first primer layer comprises an aqueous adhesive material,
Wherein the second primer layer comprises a urethane resin. The method according to claim 1,
The upper fabric comprising a first polyester film layer, a paper layer, a print layer and a glossy layer;
Wherein the first polyester film layer abuts the first primer layer. The method according to claim 1,
Wherein the lower end comprises a sequentially laminated sealant layer, a metal layer and a second polyester film,
Wherein the second polyester film layer abuts the second primer layer. delete delete The method according to claim 1,
Wherein the polyethylene-based resin filling the opening and the tread are removed together with the polyethylene-based resin layer, the second primer layer, and a plurality of discharge holes passing through the lower fabric, . The method according to claim 1,
Wherein the plurality of discharge holes are spaced apart from each other at a predetermined interval. delete The method according to claim 1,
Wherein the upper fabric includes a release tab and a release tab having a protruding shape, and the release tab and the release tab are formed in opposite directions to each other. Forming a top fabric comprising a first polyester-based film layer;
Forming a lower fabric comprising a second polyester based film layer;
Forming a first primer layer on the upper fabric and a second primer layer on the lower fabric;
Printing a release ink layer comprising a urethane resin and a cellulose acetate propionate (CAP) resin on a lower side of the first primer layer, the release ink layer including a plurality of openings;
Forming a polyethylene-based resin layer by extrusion-coating a melted polyethylene-based resin between the release-type ink layer and the lower-end fabric, and attaching the upper and lower fabrics to each other via the polyethylene-based resin layer;
A half-cutting process is performed on the upper and lower fabrics to form a cut-out area on one side of the upper fabric corresponding to a region where the release ink layer is formed on the lower portion, and the polyethylene- Forming a ridge through the two primer layers and the lower fabric; And
Cutting the upper and lower fabrics attached to each other according to the shape of the container surface to manufacture a water drop container surface lid; Lt; / RTI >
Wherein the release ink layer comprises 70 to 90 parts by weight of a urethane resin and 10 to 30 parts by weight of a cellulose acetate propionate (CAP) resin, based on the total weight of the release ink layer,
The adhesion between the first primer layer and the release ink layer is stronger than the adhesion between the polyethylene-based resin layer and the release ink layer,
Wherein the first primer layer is formed to include an aqueous adhesive material,
Wherein the second primer layer is formed to include a urethane resin. 11. The method of claim 10,
Wherein the step of forming the upper fabric comprises forming the first polyester film layer, the paper layer, the print layer and the luster layer so as to be sequentially laminated;
Wherein the forming of the lower fabric comprises forming a sealant layer, a metal layer and the second polyester film layer so as to be sequentially laminated; Wherein the method comprises the steps of: delete 11. The method of claim 10,
Wherein a plurality of openings of the release ink layer are filled with the molten polyethylene resin when forming the polyethylene-based resin layer. 11. The method of claim 10,
Wherein the printing of the release ink layer is performed through a gravure printing process. 11. The method of claim 10,
Wherein the step of forming the ridge is performed by performing a half cutting process so as to pass through the polyethylene-based resin layer, the second primer layer, and the lower fabric at a lower portion of the openings.
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WO2012073274A1 (en) * 2010-11-30 2012-06-07 共同印刷株式会社 Lid material
JP5447843B2 (en) * 2010-03-12 2014-03-19 大日本印刷株式会社 Lid material

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JP2000185776A (en) * 1998-12-22 2000-07-04 Toppan Printing Co Ltd Lid with hot water draining hole for instant food container
JP5447843B2 (en) * 2010-03-12 2014-03-19 大日本印刷株式会社 Lid material
WO2012073274A1 (en) * 2010-11-30 2012-06-07 共同印刷株式会社 Lid material

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