JP4221806B2 - Instant food container lid with hot water outlet - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a lid for a container used for sealed packaging of instant foods such as fried noodles and spaghetti, and in particular, provided with a hot water outlet for discharging hot water to be poured to warm and soften the instant foods in advance. The present invention relates to a lid with a hot water outlet.
[0002]
[Prior art]
As shown in the side cross-sectional view of FIG. 5, for example, the conventional lid for the instant food container has an aluminum foil (19) on the back surface of the top sheet (20) in which a hole for piercing (77) is formed. And the sealant layer (16), and when cutting hot water, the aluminum foil (19) and the sealant layer (16) must be pierced from the piercing hole (77) with chopsticks or the like. The size and shape of the opening of the hot water outlet are not constant, and there is a risk that the broken residue may be mixed into food.
[0003]
On the other hand, recently, for example, as shown in the side sectional view of FIG. 6, the surface sheet (20) is the outer surface side, and the sand laminate thermoplastic resin layer (18), aluminum foil, etc. on the inner surface side (food side) A sheet-shaped lid (for example, laminated with the surface of the sand-laminated thermoplastic resin layer (18) of the composite base sheet (10) composed of a thermoplastic resin layer (16) serving as a sealant, such as a metal foil layer (17) Circular shape), an easy release agent (peeling varnish) is applied to the inner surface of the composite base sheet (10) and the top sheet (20) in a partial region from the outer peripheral arc portion of the lid to the inside thereof. It is provided with an easily peelable region (L1) formed by an easily peelable layer (30) formed by coating, and is adhered to the other laminated inner surface of the composite substrate sheet (10) and the topsheet (20). State A perforation line (L2) having a number of perforations from the surface of the surface sheet (20) at the boundary line between the easy peeling area (L1) and the adhesion area (L2) of the surface sheet (20). 22).
[0004]
Then, one or several hot water cutouts (12) are formed in the composite base sheet (10) in the easy peeling region (L1) (practically around the hot water cutout (12) in consideration of hygiene and the like). Half cuts are often made during use).
[0005]
As shown in FIG. 7, the lid with lid for the instant food container having the structure as described above is adhesively sealed to the flange portion (21) at the upper end of the container body (2) containing the instant food. By being sealed and packaged, an instant food container in which instant food is sealed and packaged is obtained.
[0006]
The container in which the instant food is hermetically packaged as described above is pulled up the opening knob (13) on the outer periphery of the lid on the adhesive region (L2) side shown in FIG. 21), about 1/3 of the composite substrate sheet (10) on the adhesion region (L2) side is partially peeled off and opened, and hot water is injected from the opening (not shown), and then the adhesion region (L2 ) Side cover material outer opening knob (13) is folded again to the outside of the flange portion (21), and left for a few minutes to instant food in the container body (2) (Figure Warm and soften.
[0007]
Thereafter, as shown in FIG. 4, the hot water cut opening knob (14) at the outer peripheral edge of the easy peeling region (L1) is pulled up, and along the planned cutting line (24) formed by the perforation line (not shown). The top sheet (20) in the easy peeling region (L1) is peeled off from the composite base sheet (10) while tearing the perforations in order, and is perforated in the easy peeling region (L1) of the composite base sheet (10). The hot water outlet (12) is exposed and the hot water in the container main body (2) can be discharged from the hot water outlet (12) while the container main body (2) is tilted.
[0008]
[Problems to be solved by the invention]
However, as described above, when the hot water cut opening knob (14) is pulled up when the surface sheet (20) is peeled off in the easy peeling region (L1) for exposing the hot water cut opening (12), for example, FIG. As shown in FIG. 8, the topsheet (20) begins to break off from the perforation line (22) and is peeled off as a tear (27) on the easy peelable region (L1) side from the perforation line (22), or The reason for this will be described later, but it may be broken off from the perforation line (22) in the middle of peeling, and the breakage may lack linearity, and the peelability of the surface sheet (20) may be poor. there were.
[0009]
The reason why it breaks from the middle is that the perforation is applied from the surface (20a), which is the printing surface of the topsheet (20), as shown in the schematic diagram showing the side cross section of the perforation in FIG. 9 (a). The end surface (22a) of the perforation line (22) hangs down in a fluff shape, and as shown in FIG. 9 (b), for example, a sand laminate thermoplastic resin layer (18), a metal foil layer (17), and a thermoplastic which becomes a sealant. Since the fluff on the end surface (22a) of the perforated line (22) is embedded in the sand laminate thermoplastic resin layer (18) of the composite base sheet (10) laminated in the order of the resin layer (16), The cut (break) from the perforation line (22) was lacking in linearity, and there was a fear that the peelability of the surface sheet (20) was lacking.
[0010]
Furthermore, as shown in FIG. 10 (a), when the perforation line (22) is applied without being completely penetrated from the surface (20a) which is the printing surface of the surface sheet (20), the surface sheet (20) When the sheet is cut (breaked) and peeled from the perforation line (22) of FIG. 10, as shown in FIG. 10 (b), for example, the surface sheet (20) made of a paper layer is peeled in the layer, and the cut ( Tear) was lacking in linearity, and there was a fear of lacking in peelability of the topsheet (20).
[0011]
The present invention solves such problems of the prior art, and the problem is that a surface for exposing a hot water cut opening in a lid for a container for instant food such as fried noodles that requires hot water cutting. An object of the present invention is to provide a lid material with a hot water outlet for an instant food container that is excellent in linear cutability according to a planned cutting line and that is light and stable.
[0012]
[Means for Solving the Problems]
In order to achieve the above object in the present invention, in the present invention, the flange portion of the container body has substantially the same outer shape as the flange portion of the container body, and the opening knob and the knob for opening the hot water outlet are provided on the outer peripheral edge. In the instant food container formed by sealing the lid material, the lid material is easily formed by an easy-release layer formed by applying an easy-release agent to the predetermined shape region of the composite base sheet and the top sheet. It is divided into a peeling area and an adhesive area and laminated and bonded to each other, and a cut line by a half cut is given to the easy peeling area side slightly from the boundary line between the easy peeling area and the adhesive area of the surface sheet, and the inside of the easy peeling area 1 to several hot water outlets in a composite base material sheet, wherein the scheduled cutting line has a large number on the left side as viewed from the hot water outlet opening knob. With a left-lower cut That the score line is obtained by the right side to a number of downward-sloping respective score line formed of cuts instant food containers hot cut with a lid material, characterized by comprising a plurality rows.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
As shown in the side cross-sectional view of FIG. 1, the lid material for a hot food container according to the present invention is used for opening as shown in the plan view of FIG. 2 on the flange portion (21) of the container body (2). In the instant food container in which the knob (13) and the lid for opening of the hot water outlet (14) are sealed with a lid on the outer periphery, the lid is composed of a composite base sheet (10) and a top sheet (20). Is divided into an easy-release region (L1) and an adhesive region (L2) by an easy-release layer (30) formed by applying an easy-release agent to a predetermined shape region, and the topsheet ( 20) A cut line (24) by half-cutting is applied to the easy peel region (L1) side slightly from the boundary line (70) between the easy peel region (L1) and the adhesion region (L2) of 20), and the easy peel region (L1 1 to several hot water slicers in the composite substrate sheet (10) A lid (1) with a hot water outlet for an instant food container with a mouth (12) drilled, wherein the planned cutting line (24) is for opening a hot water outlet as shown in the enlarged plan view of FIG. A plurality of rows of cut lines (25) made up of a number of left-down cuts (25a) on the left side as viewed from the knob (14) and a plurality of cut lines (25) made up of a number of right-down cuts (25b) on the right side. It is a feature.
[0014]
The cut line (25) provided in a plurality of rows by half cut on the top sheet (20) will be described in detail. As shown in FIG. 3, first, the lower left cut line (25a) is in the direction of tearing (P). In this case, it is necessary to provide a number of lines that are approximately 20 degrees downward to the left in a straight line in the direction of travel to form cut lines (25), and the cut lines (25) must be provided in at least two rows. Further, a right-lower cut (25b) having a shape that is lowered by about 20 degrees with respect to the progressing direction (P) of the tear so as to be adjacent to the right side of the cut line (25) formed by these left-lower cuts (25a), It is also necessary to provide two or more cut lines (25) formed linearly in the traveling direction, and it is preferable that the number of both lines is the same.
[0015]
As described above, since the scheduled cutting line (24) is a plurality of cut lines (25) having a predetermined width, the hot water cut opening knob (14) is pulled up to peel off the face sheet (20). At the beginning of the peeling, it does not start to tear off the planned cutting line (24) like the conventional cutting line made of perforation and does not peel off, and the top sheet is cut by the cut lines (25a, 25b). Even if the in-layer peeling of (20) occurs, it can be covered with the next cut (25a, 25b), so that the break (break) has a substantially linearity and can be easily peeled off. Can do.
[0016]
As the topsheet (20) constituting the lid for the instant food container of the present invention, the surface needs to be excellent in printability, so that paper is mainly used, for example, a rice basis weight of 127.9 g / Single-sided art paper or double-sided art paper of about m ² is preferable, and coated paper and high-quality paper of the same thickness are also used. Synthetic paper may be used, and it may be torn at a portion other than a predetermined portion by pulling for peeling. In order to avoid this, it is also possible to use a laminate of a synthetic resin film on the paper.
[0017]
As the composite base sheet (10), as shown in FIG. 1, for example, in order from the container inner surface side (lower side in the drawing), a thermoplastic resin layer (16) of about 25 μm serving as a sealant, mainly aluminum A metal foil layer (17) such as aluminum foil having a thickness of about 9 μm, and a thermoplastic resin layer (18) having a thickness of about 15 μm made of a laminate such as melt-extruded laminated polyethylene or polyethylene film. The layer (16) needs to use a thermoplastic resin excellent in heat sealability with the container, and examples thereof include a low density polyethylene resin, a medium density polyethylene resin, a polypropylene resin, and an ethylene-propylene copolymer. It can be used as a film or for melt extrusion lamination.
[0018]
Moreover, as an easy release agent which forms an easy release layer (30) by application | coating, the peeling varnish which has nitrocellulose (nitrified cotton) type-resin, urethane type resin, a polyamide-type resin, etc. as a main component is mentioned, and it uses for an application suitably. Can be used as required.
[0019]
Next, the usage method of the lid material (1) with a hot water outlet of the container for instant foods of this invention is demonstrated.
First, as shown in FIG. 4, the opening knob (13) is picked and the lid material is peeled away from the flange portion (21) of the container body (2) by about 1/3, and hot water is removed from the container body. Inject to (2). Next, the opening knob (13) is bent and resealed on the flange portion (21) of the container body (2), the food as the contents is warmed and loosened for a predetermined period of time, and then a hot water opening opening knob. (14) is picked and pulled up, the surface sheet (20) in the easy peeling region (L1) is torn along the score line (25), peeled off, and the hot water cutout (12) is exposed and opened. 2) is inclined to discharge unnecessary hot water from the hot water outlet (12).
[0020]
The lid material (1) for the instant food container of the present invention is suitably used as a lid material for containers such as instant fried noodles and spaghetti that are heated by pouring hot water, softly loosened, and then drained. it can.
[0021]
【The invention's effect】
Since this invention is the above structure, there exist the following effects.
That is, in the container for instant food, the flange portion of the container main body has substantially the same outer shape as the flange portion of the container main body, and the lid material that the opening knob and the knob for opening the hot water outlet have on the outer periphery is sealed. The lid material is divided into an easy-release region and an adhesive region by an easy-release layer formed by applying an easy-release agent to a predetermined shape region of the composite base sheet and the surface sheet, and laminated and adhered to each other. A line to be cut by half-cut is given slightly to the easy peel area side from the boundary line between the easy peel area and the adhesion area of the surface sheet, and one to several hot water cut ends are formed in the composite base material sheet in the easy peel area. A lid with a hot water outlet for a punched instant food container, wherein the planned cutting line has a number of left lower cut lines as viewed from the hot water opening opening knob, and a number of right downwards on the right side. At the cut By providing a plurality of cut lines, the planned cutting line is a plurality of cut lines having a predetermined width, so when pulling up the hot water cut opening knob and peeling the surface sheet, At the beginning of the peeling, it does not start to tear off the planned cutting line like the conventional cutting line with a perforation, and even if peeling in the layer of the surface sheet occurs at the cutting line, Since it can be covered with the next cut line, the cut (break) is excellent in substantially linearity and can be easily peeled off.
[0022]
Therefore, the present invention exerts an excellent practical effect as a lid member with a hot water outlet for an instant food container that is poured and heated after pouring hot water such as instant yakisoba or spaghetti.
[Brief description of the drawings]
BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is an explanatory view showing a cross-sectional side view of an embodiment of a lid material with a hot water outlet of an instant food container according to the present invention.
FIG. 2 is a plan view for explaining an embodiment of a lid with a hot water outlet of the instant food container of the present invention.
FIG. 3 is an enlarged view showing an embodiment of a lid with a hot water outlet of an instant food container according to the present invention in a plan view.
FIG. 4 is a perspective view for explaining an embodiment in which the top sheet of the lid with hot water outlet of the instant food container of the present invention is peeled off.
FIG. 5 is a side sectional view for explaining an example of a lid member with a hot water outlet of a conventional instant food container.
FIG. 6 is a side sectional view for explaining another example of a lid member with a hot water outlet of a conventional instant food container.
FIG. 7 is a side sectional view for explaining an example of a conventional instant food container.
FIG. 8 is a schematic plan view for explaining an example of a peeled state of a lid member with a hot water outlet of a conventional instant food container.
FIG. 9 is a schematic diagram for explaining an embodiment of a perforation part constituting a lid material with a hot water outlet of a conventional instant food container;
(A) represents the shape of the topsheet;
(B) represents a laminated shape with a composite substrate sheet.
FIG. 10 is a schematic diagram for explaining another embodiment of the perforation part constituting the lid with a hot water outlet of a conventional instant food container;
(A) represents one shape of perforation,
(B) represents a peeled state from the perforation.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Cover material with hot water outlet of instant food container 2 ... Container body 10 ... Composite base material sheet 12 ... Hot water outlet 13 ... Opening knob 14 ... Hot water outlet opening knob 16 ... Sealant Thermoplastic resin layer 17 ··· Metal foil layer 18 · · · Sandrami thermoplastic resin layer 20 · · · Surface sheet 20a · · · Surface sheet 20b · · · Rear surface 22 of surface sheet · · · Perforation line 22a · ... Cut line 25 ... Cut line 25a ... Lower left cut 25b ... Lower right cut 27 ... Break 30 ... Easy peel layer 70 ... Border line 77 ... Break-through hole L1 ... Easy peel Area L2 ... Bonding area P ... Cutting direction

Claims (1)

In a container for instant food, the flange portion of the container main body has substantially the same outer shape as the flange portion of the container main body, and the lid member which the opening knob and the knob for opening the hot water outlet have on the outer periphery is sealed. The material is divided into an easy-release region and an adhesive region by an easy-release layer formed by applying an easy-release agent to a predetermined shape region of the composite base sheet and the surface sheet, and is laminated and adhered to each other. A line to be cut by half-cut is given slightly to the easy peel area side from the boundary line between the easy peel area and the adhesive area of the sheet, and one to several hot water cut holes are drilled in the composite base material sheet in the easy peel area The instant food container is a lid with a hot water outlet, wherein the planned cutting line has a number of left lower cuts on the left side and a number of right lower cuts on the right as viewed from the knob for the hot water opening. Cut Water cut with lid material of a container for instant food, characterized by comprising linear a respectively plurality of rows.

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