JP2000168849A - Instant food container lid with hot water hole - Google Patents

Abstract

(57) [Problem] To enable easy production without requiring a high level of register accuracy in pattern formation of an easily peelable layer and high cutting accuracy in half-cutting processing, and a half-cut area. Unscheduled irregular peeling is prevented from occurring between the composite sheet and the topsheet along the outer peripheral portion of the inner bonding portion. A composite sheet and a topsheet are laminated and adhered to each other by an easily peeling area and an adhesive area.
Half-cuts 7 are formed at one or more locations of the composite sheet in the easy-peeling area to form a hot-hole having an inner diameter R. The inner surfaces of the composite sheet and the top sheet in the half-cut area have inner diameters. An adhesive portion 6 in a half-cut region having a value of r of 2R / 3 or less is formed, and a dot-like or linear-like partial adhesive portion is formed in an easily peelable region extending from the outside of the adhesive portion 6 to the outside of the half-cut region.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lid for a container used for hermetic packaging of instant foods such as fried noodles, and more particularly to a hot water hole for discharging hot water injected to soften dry instant foods. The present invention relates to a lid with a hot water hole of an instant food container provided with the above.

[0002]

2. Description of the Related Art A lid with a hot water hole of a conventional instant food container is
For example, as shown in the side sectional view of FIG. 5 (a) and the plan view of FIG. 5 (b), the topsheet 11 is turned to the front side (outside side), and the composite sheet 1 is placed on the inside side (food side). It is a sheet-like lid A (for example, a circular lid) which is overlapped and laminated, and an easy release agent is provided on the inner surface of the overlap between the composite sheet 1 and the topsheet 11 in a partial area from the outer peripheral arc portion of the lid to the inside thereof. (The release varnish) is provided with an easy-to-peel area L1 (hatched area) formed by the easy-to-peel layer 5 formed by applying a (release varnish). An adhesive area L2 (non-peeling area) in a state is provided.

In one or more places of the composite sheet 1 in the easy-peeling area L1, half-cuts 7 for forming a hot-dip hole having an inner diameter R are formed. The inner surface of the composite sheet 1 and the inner surface of the top sheet 11 in the cut 7 region have an adhesive portion 6 in the half cut region having an inner diameter r.
(Region where the easy peeling layer 5 is not formed) is provided,
The composite sheet 1 and the topsheet 11 are bonded to each other at the bonding portion 6 in the half-cut area.

[0004] The lid A of the instant food container having such a structure is as follows.
As shown in FIG. 6, the instant food is sealed and packaged by adhesively sealing the opening flange 21 at the upper end portion of the container B containing the instant food and sealingly packaging the container.

[0005] In the container B in which the ready-to-eat food is hermetically sealed as described above, the pull tab 13 of the composite sheet 1 on the outer periphery of the lid A on the side of the bonding area L2 shown in FIG. The container B is opened by partially peeling the composite sheet 1 on the side of the adhesive region L2 from the portion 21 and hot water is poured into the container B from the opening, and the pull tab 13 at the opening is again removed from the outside of the flange portion 21. Fold it up and leave it for a few minutes to soften the instant food inside.

Thereafter, the pull tab 12 of the topsheet 11 on the outer periphery of the easy peeling area L1 of the lid A shown in FIG. 5B is pulled up to form a composite of the topsheet 11 in the easy peeling area L1 as shown in FIG. While peeling from the sheet 1, the composite sheet 1 in the region of the half-cut 7 for forming a hot water hole, which is adhered to the top sheet 11, was cut off, and several hot water holes 8 having an inner diameter R were formed in the composite sheet 1. Thereafter, the container is tilted so that the hot water therein can be discharged from the hot water hole 8.

[0007]

The lid A of the above-mentioned instant food container has an inner diameter R as described above with reference to FIG.
A half-cut 7 for forming a hot-water hole is formed in the area of the half-cut 7 for forming a hot-water hole. At the same time, the composite sheet 1 and the top sheet 11 are bonded to each other in the half-cut area adhesive portion 6 having an inner diameter r so that the hot water hole 8 is formed in the composite sheet 1 at the same time as the peeling. A region where the release layer 5 is not formed) is provided.

However, in the conventional structure of the lid A as described above, as shown in FIGS. 5A and 5B, the inner diameter R of the half cut 7 for forming a hot water hole and the easily peelable layer Inner diameter r of the bonding portion 6 in the half-cut area where no 5 is formed
Means that the relationship is set so that 2R / 3 ≦ r <R, and the values R and r are close to each other,
In the manufacturing process of the lid, considerable registration accuracy is required for registering a position corresponding to the formation of the half-cut 7 for forming a hot water hole and the easy-peeling layer 5 by forming a pattern of the easy-peeling agent. The registration work in the application of the release agent took considerable time and effort.

In the manufacturing process of the lid, the half cut 7 for forming a hot water hole is formed by laminating the composite sheet 1 and the top sheet 11 on the inner surface of the composite sheet 1 with the easy release layer 5 using an easy release agent. After the patterns are formed and overlapped with each other and bonded together, a half cut 7 for forming a hot water hole is cut from the composite sheet 1 side so as to include all the bonding portions 6 in the half cut area by using a cutting die for half cutting. However, even in this case, a considerably high cutting register accuracy is required, and in some cases, a considerable production loss may occur.

Further, in the cutting process of the half cut 7 for forming a hot water hole having an inner diameter R, it is necessary to perform cutting so as to be applied to the easily peelable layer 5 constituting the adhesive portion 6 in the half cut area having the inner diameter r. Due to the pressing force of the cutting die for half cutting and the impact of cutting, along the outer peripheral portion of the adhesive portion 6 in the half cut area,
Unscheduled irregular peeling by the easily peelable layer 5 may occur between the composite sheet 1 and the topsheet 11, which may be a factor of deteriorating the quality of the lid.

The present invention does not require high register accuracy in the conventional pattern formation of the easily peelable layer and high cutting accuracy in the half cutting process.
While making it easy to manufacture without hassle,
It is an object of the present invention to improve the quality of the composite sheet and the topsheet so that unintended irregular peeling does not occur between the composite sheet and the topsheet along the outer peripheral portion of the adhesive portion in the half cut area.

[0012]

According to the first aspect of the present invention, there is provided a composite sheet and a top sheet having an easy-to-peel area and an adhesive area formed by applying an easy-release agent to a predetermined shape area. Are formed and laminated and adhered to each other, and a half-cut for forming a hot water hole having an inner diameter R is formed at one or a plurality of positions of the composite sheet in the easy-peeling area. At least the inner diameter r is 2R on the inner surfaces of the composite sheet and the top sheet in the half-cut region.
A lid with a hot-water hole of an instant food container having an adhesive portion in a half-cut area of / 3 or less, wherein the lid is located slightly outside the half-cut area for forming a hot-water hole from outside the adhesive part in the half-cut area. A lid with a hot water drain hole for an instant food container, characterized in that a dot-shaped partial bonding portion in which a plurality of dots are interspersed is formed in an easy peeling region extending over the region.

Next, the invention according to claim 2 of the present invention is characterized in that the composite sheet and the topsheet are separated by an easy-peeling area and an adhesive area formed by applying an easy-peeling agent to a predetermined shape area. Laminated and adhered to each other, a half-cut for forming a hot-dip hole having an inner diameter R is formed at one or a plurality of locations of the composite sheet in the easy-peeling area. Wherein the inner surface of the composite sheet and the topsheet is provided with an adhesive portion in a half-cut area having at least an inner diameter r of 2R / 3 or less. In the easy peeling area extending from the outside of the part to the outside of the half-cut area for forming a hot water hole, a dot-shaped partial adhesive part formed by a plurality of substantially radial dot arrays centering on the adhesive part in the half-cut area is formed. A instant food containers Yu Setsuana lidded, characterized in that it is.

Next, the invention according to claim 3 of the present invention is characterized in that the composite sheet and the top sheet are separated by an easy-peeling area formed by applying an easy-peeling agent to a predetermined shape area and an adhesive area. Laminated and adhered to each other, a half-cut for forming a hot-dip hole having an inner diameter R is formed at one or a plurality of locations of the composite sheet in the easy-peeling area. Wherein the inner surface of the composite sheet and the topsheet is provided with an adhesive portion in a half-cut area having at least an inner diameter r of 2R / 3 or less. A substantially radial linear partial bonding portion centering on the bonding portion in the half-cut region is formed in an easily peeling region extending slightly outside the half-cut region for forming a hot water hole from the outside of the portion. Do A hot water Setsuana with a lid of the seat food containers.

According to a fourth aspect of the present invention, in the lid with the hot water hole of the instant food container according to any one of the first to third inventions, the inner diameter R of the hot water hole shape is 5.5 m.
A lid with a hot water drain hole for an instant food container, wherein m ≦ R ≦ 6.5 mm and the inner diameter r of the adhesive portion in the half-cut region is 2.0 mm ≦ r ≦ 4.3 mm.

According to a fifth aspect of the present invention, there is provided the instant food container according to the first or second or fourth aspect, wherein the plurality of dot-shaped partial adhesives are provided. Part has a maximum dot diameter of 0.3 to 0.5
2 mm is a lid with a hot water hole of an instant food container.

According to a fifth aspect of the present invention, in the lid with the hot water hole of the instant food container according to the third or fourth aspect of the present invention, at least a maximum of the plurality of linear portion bonding portions is provided. It is a lid with a hot water hole of an instant food container having a line width of 0.3 to 0.5 mm.

[0018]

The lid with the hot water hole of the instant food container according to the present invention has an adhesive portion in a half-cut area formed in an easy-peeling area formed by an easy-peeling layer on the inner surface of the laminated adhesive between the topsheet and the composite sheet. The relationship between the inner diameter r of the area without the easily peelable layer) and the inner diameter R of the half-cut for forming a hot water hole formed in the easily peelable area so as to include the adhesive portion in the half-cut area having the inner diameter r. Are formed such that 1R / 3 ≦ r <2R / 3.

Therefore, as in the case of a conventional lid with a hot water hole,
Compared to the case where R / 3 ≦ r <R is set, the register between the position corresponding to the formation of the half-cut for forming the hot water hole and the position of the easy peeling layer formed by the patterning of the easy peeling agent in the manufacturing process of the lid. The position of the adhesive part in the half-cut area when cutting the half-cut for forming the hot water hole from the composite sheet side so as to include all the adhesive parts in the half-cut area using the cutting die for half-cutting In registering with the position of the punching die, a larger tolerance range than before can be obtained, and the demand for strict registration accuracy as in the past has been relaxed, and the registration work in the application formation of easy peeling agent and half cutting It becomes easy and the work efficiency is improved.

Further, the lid with a hot water hole of the instant food container according to the present invention is characterized in that the adhesive portion in the half-cut area in the easy-peeling area where the easy-peeling layer is formed on the inner surface of the laminated adhesive between the top sheet and the composite sheet. A dot-shaped or line-shaped partial bonding portion in which the top sheet and the composite sheet are partially bonded to each other is provided over the inside and outside of the hot-hole-forming region along the periphery of the half-cut for forming the hot-water hole except for the hot-water hole forming half-cut. ing. Therefore, when cutting the half-cut for forming a hot water hole in the easily peelable region of the lid material formed by laminating and bonding the top sheet and the composite sheet, due to the cutting pressure and impact of the half-cut mold blade, Unexpected irregular peeling of the topsheet and the composite sheet can be avoided.

[0021]

BEST MODE FOR CARRYING OUT THE INVENTION A lid with a hot water hole of an instant food container according to the present invention will be described below with reference to a side sectional view of the lid shown in FIG. 1 (a) and a plan view of the lid shown in FIG. 1 (b). This will be described in detail.

In the lid with a hot water hole according to the present invention, the composite sheet 1 and the surface sheet 11 each having a circular shape (polygonal shape such as a square shape)
An easy-peeling area L by the easy-peeling layer 5 formed by applying an easy-peeling agent over a predetermined shape area from the outer periphery of the lid.
1 and an adhesive region L2 where no easy peeling layer 5 is formed.

As shown in FIG. 1 (b), the topsheet 11 is provided with a cutout 9 such as a perforation for cutting along the boundary between the easily peelable area L1 and the adhesive area L2 as necessary. It is formed. Further, a pull tab 12 for peeling off the top sheet used for peeling off the top sheet 11 is provided so as to protrude from the top sheet 11 in the easily peeling area L1 in the direction of the outer periphery of a part of the lid. Further, there is provided a lid peeling pull tab 13 that is used to peel off the lid and extends so as to protrude at least from the composite sheet 1 in the bonding area L2 in the outer peripheral part of the lid.

Half-cuts 7 for forming a hot water hole having an inner diameter R are formed at one or a plurality of positions of the composite sheet 1 in the easy peeling area L1. The half cut 7 is cut from the back side of the composite sheet 1 (the side opposite to the top sheet 11) by a mold blade.

At least the inner diameter r is provided on the inner surface of the composite sheet 1 and the top sheet 11 in the area of the half-cut 7 for forming a drain hole having an inner diameter R.
However, the bonding portion 6 in the half cut area of 2R / 3 or less is formed. That is, the inner diameter r of the adhesive portion in the half-cut area (the area without the easily peelable layer) and the inner diameter R of the half-cut for forming the hot water hole formed to include the adhesive part in the half-cut area having the inner diameter r , The relationship is, for example, 1R
/ 3 ≦ r <2R / 3.

The bonding portion 6 in the half-cut area having the inner diameter r
In the easy-peeling area L1 extending slightly outside the area of the half-cut 7 for forming the hot water hole from the outside, a dotted dot-shaped partial bonding portion 10 in which a plurality of independent dots are dotted is formed. .

For example, as shown in FIG. 1 (b), an easy-peeling area L1 extending from the outside of the adhesive portion 6 in the half-cut area having the inner diameter r to slightly outside the area of the half-cut 7 for forming a hot water hole. The dot-shaped partial bonding portion 10 is formed by arranging a plurality of substantially radial small dots around the bonding portion in the half-cut region.

The plurality of dot-shaped partial bonding portions 10 in the partial bonding portion have a shape of a hot water hole in which the easily peelable layer 5 is formed when the half-cut 7 for forming a hot water hole is cut by a mold blade. Partially adhered to the inner surface of the composite sheet 1 and the top sheet 11 along the periphery of the hot-cut hole forming half cut 7 so that unplanned irregular peeling does not occur due to the cutting pressure or impact of the mold blade. The dot diameter of the dot-shaped partial adhesive portion 10 needs to be set to such an extent that the easy-peeling layer 5 does not impair the proper easy-peeling function, and is preferably not too large. .

For example, the inner diameter R of the half cut 7 for forming a hot water hole is about 5 mm to 7 mm or 5.5 mm ≦ R ≦ 6.5.
If it is set to about mm, it is appropriate to set the maximum dot diameter of the dot-shaped partial bonding portion 10 to about 0.3 to 0.5 mm.

As shown in FIG. 1B, eight dot-shaped partial bonding portions 10 radially arranged with the bonding portion 6 in the half-cut region as the center are passed through the bonding region 6 at the center (so-called out of the bonding region 6). 16) are arranged along the radially equivalent arrangement lines, but the radial arrangement form of each dot in the present invention does not particularly limit the number of the radially equivalent arrangement lines, and passes through the bonding region 6. Two or three (so-called four to six lines coming out of the bonding region 6) or more radially arranged lines may be arranged, and the radially equivalent arranged lines are not always strict. There is no need to be radially equivalent arrangement lines, and it is sufficient if they are arranged substantially radially.

FIG. 2 shows another embodiment of the lid with a hot water hole of the instant food container according to the present invention. The half water cut hole forming half cut from the outside of the adhesive portion 6 in the half cut area of the inner diameter r. In the easy peeling region L1 slightly outside the region 7, a partial bonding portion 10 is formed substantially radially around the bonding portion 6 in the half-cut region, for example, as shown in FIG. A linear partial bonding portion 10 is formed by a continuous radial thin line centered on the portion 6.

The plurality of linear partial bonding portions 10 in the partial bonding portion are similar to the dot-shaped partial bonding portion 10 described above.
When cutting the half-cut 7 for forming a hot-water hole with a mold blade, the composite sheet 1 is formed along the periphery of the half-cut 7 for forming a hot-water hole in which the easily peelable layer 5 is formed. It is only necessary that the adhesive be adhered to the inner surface of the surface sheet 11 so that unplanned irregular peeling does not occur due to the cutting pressure or impact of the mold blade. It is necessary that the layer 5 be set to such an extent that the proper easy-peeling function is not impaired, and it is desirable that it is not too large.

For example, the inside diameter R of the half cut 7 for forming a hot water hole is about 5 mm to 7 mm or 5.5 mm ≦ R ≦ 6.5.
mm, the linear part bonding portion 1
The maximum line width of 0 is suitably set to about 0.3 to 0.5 mm.

The radial linear portion bonding portion 10 centered on the bonding portion 6 in the half-cut region shown in FIG. 2 has eight lines (so-called 16 out of the bonding region 6) passing through the bonding region 6 at the center thereof.
Although this is formed along the radially equivalent arrangement line of the present invention, the form of each linear partial adhesive portion 10 in the present invention does not particularly limit the number of the radially equivalent arrangement lines. It may be arranged along two or more radial lines (so-called four to six lines coming out of the adhesive region 6) or more radially equivalent arrangement lines, or the radially equivalent arrangement lines may be strictly radial equivalent lines. There is no need to arrange the lines, and the lines may be arranged substantially radially.

The inner diameter R of the half-hole 7 for forming a hot water hole in the present invention is such that the hot water can be smoothly discharged and the instant food loosened by the wetness is not discharged together with the hot water into the container. There is no particular limitation as long as the hole diameter is such that it stops, but for example, it may be about 5 mm to 7 mm, and preferably 5.5 mm ≦ R ≦ 6.5 mm.

The inner diameter r of the adhesive portion 6 in the half-cut area in the present invention is set in accordance with the size of the inner diameter R. When patterning the easily peelable layer 5 so as to bite into the inner diameter R of the half-cut 7 for forming a hot water hole by a printing method such as a letterpress printing method, in order to relax strict register accuracy, It may be as small as possible with respect to the inner diameter R.

For example, the inner diameter r of the bonding portion 6 in the half-cut area is defined as r = 2R / 3 with respect to the inner diameter R of the half-cut 7.
The inner diameter R is 5.5 mm ≦ R ≦ 6.5 mm
Is within the range, the inner diameter r is correspondingly set to 2.0 mm.
It is desirable to set ≦ r ≦ 4.3 mm.

The lid A of the instant food container having such a structure is as follows.
As shown in FIG. 3, the instant food is hermetically packaged by sealing and packaging the container B by adhesively sealing the opening flange 21 at the upper end of the container B (made of plastic or paper) containing the instant food. It becomes a food container.

The container B in which the ready-to-eat food is hermetically sealed as described above is pulled up by pulling up the pull tab 13 of the composite sheet 1 on the outer periphery of the lid A on the side of the bonding area L2 shown in FIG. 1B or FIG. The container B is opened by partially peeling off the composite sheet 1 on the side of the adhesive region L2 from the flange portion 21 of the container, hot water is poured into the container B from the opening, and the pull tab 13 at the opening portion is again connected to the flange portion. Fold it over the outside of 21 and leave it for a few minutes to soften the instant food inside.

Thereafter, the pull tab 12 of the topsheet 11 on the outer periphery of the easy peeling area L1 of the lid A shown in FIG. 1B or FIG. 2 is pulled up, and as shown in FIG.
1 is separated from the composite sheet 1, and the composite sheet 1 in the half-cut 7 area for forming a hot-water hole adhered to the surface sheet 11 is cut off. After forming the drain hole 8, the container B can be tilted to discharge the hot water therein from the drain hole 8.

The layer structure and the material structure of the lid with a hot water hole of the instant food container of the present invention are not particularly limited in the present invention. For example, as an example, the side of the lid in FIG. Some are shown in cross-sectional views.

As the composite sheet 1, a polyethylene resin layer 2 by extrusion lamination, an aluminum foil layer 3, and a polyethylene resin layer 4 by sand lamination
It consists of

As the top sheet 11, single-sided art paper (for example, 127.9 g / m ^{2 in} thickness) is used, and the surface is appropriately printed to form a top sheet for the lid. Alternatively, a synthetic resin film or a composite film of paper and a synthetic resin film may be used.

As the easy-releasing agent for forming the easy-releasable layer 5, urethane-based resin, nitrified cotton (cellulose) -based resin,
An easy release agent such as a blend resin of nitrified cotton (cellulose) and a urethane resin can be used.

[0045]

According to the present invention, the lid with the hot water hole of the instant food container according to the present invention has a position corresponding to the formation of the half cut for forming the hot water hole and the position of the easy release layer formed by forming the pattern of the easy release agent in the manufacturing process of the lid. In the half cut area when cutting the hot cut hole forming half cut from the composite sheet side so as to include all the adhesive parts in the half cut area using the cutting die for half cutting In the registration between the position of the cutting die and the position of the punching die, a larger tolerance range than before can be obtained, and the demand for strict registration accuracy as in the past is eased, and the registration in the application forming of the easy peeling agent and the half cutting is performed. The joining operation is facilitated, and the working efficiency is improved.

Further, in the lid with a hot water hole of the instant food container according to the present invention, a half cut for forming a hot water hole is cut in an easily peelable region of the lid material formed by laminating the top sheet and the composite sheet. When processing, the cutting pressure and impact of the half-cutting mold blade can prevent the topsheet and the composite sheet from being unplanned and irregularly peeling around the half-cut for forming the hot water hole. is there.

As described above, the lid with a hot water hole of the instant food container according to the present invention does not require a high register accuracy and a high cutting accuracy in a conventional half-cutting process. , Can be easily manufactured without trouble, and can be half-cut without generating unplanned irregular peeling between the composite sheet and the topsheet along the outer peripheral portion of the adhesive portion in the half-cut area, This has the effect of improving the production quality of the lid with a hot water hole.

[Brief description of the drawings]

1 (a) is a side sectional view of an embodiment of a lid with a hot water hole of an instant food container of the present invention, and FIG. 1 (b) is a plan view thereof.

FIG. 2 is a side sectional view of another embodiment of the lid with a hot water hole of the instant food container of the present invention.

FIG. 3 is a side view of the instant food container of the instant food container of the present invention, which is covered with a lid with a hot water hole.

FIG. 4 is an enlarged sectional side view illustrating a state in which the lid with a hot water hole of the instant food container of the present invention is opened.

5 (a) is a side sectional view of a lid with a hot water hole of a conventional instant food container, and FIG. 5 (b) is a plan view thereof.

FIG. 6 is a side view of the instant food container of the present invention, which is covered with a lid with a hot water hole.

FIG. 7 is an enlarged side sectional view illustrating a state in which a lid with a hot water hole of a conventional instant food container is opened.

[Explanation of symbols]

A: lid with hot water hole B: container L1: easy peeling area L2
... Adhesion area R ... Inner diameter of half cut area for forming hot water hole r ... Inner diameter of adhesive area in half cut area 1 ... Composite sheet 5 ... Easy peeling layer 6 ... Adhesive area in half cut area 7 ... Half for hot water hole formation Cut 8 ... Hot water hole 9 ... Separation part 10 ... Partially bonded part 11 ... Top sheet 12 ... Pull tab 13 ... Pull tab

Claims (6)

[Claims] 1. A composite sheet and a topsheet are separated by an easy-peeling area and an adhesive area formed by applying an easy-peeling agent to a predetermined shape area, and are laminated and adhered to each other.
At one or more locations of the composite sheet in the easy-peeling area, a half-cut for forming a hot-hole having an inner diameter R is formed, and the composite sheet and the surface in the half-cut area for forming the hot-hole are formed. A lid with a hot water hole of an instant food container having an adhesive portion in a half-cut region having an inner diameter r of 2R / 3 or less formed on the inner surface of the sheet, wherein hot water is supplied from outside the adhesive portion in the half-cut region. A lid having a hot water hole for an instant food container, wherein a dot-like partial adhesive portion in which a plurality of dots are dotted is formed in an easy peeling area slightly outside the half-cut area for forming a hole. . 2. The composite sheet and the top sheet are separated by an easy-peeling area formed by applying an easy-peeling agent to a predetermined shape area and an adhesive area, and are laminated and adhered to each other.
At one or more locations of the composite sheet in the easy-peeling area, a half-cut for forming a hot-hole having an inner diameter R is formed, and the composite sheet and the surface in the half-cut area for forming the hot-hole are formed. A lid with a hot water hole of an instant food container having an adhesive portion in a half-cut region having an inner diameter r of 2R / 3 or less formed on the inner surface of the sheet, wherein hot water is supplied from outside the adhesive portion in the half-cut region. A dot-shaped partial adhesive portion formed by a plurality of substantially radial dot arrays centering on the adhesive portion in the half-cut region is formed in an easy peeling region slightly outside the cut-hole forming half-cut region. A lid with a hot water hole for an instant food container. 3. The composite sheet and the topsheet are separated by an easy-peeling area formed by applying an easy-peeling agent to a predetermined shape area and an adhesive area, and are laminated and adhered to each other.
At one or more locations of the composite sheet in the easy-peeling area, a half-cut for forming a hot-hole having an inner diameter R is formed, and the composite sheet and the surface in the half-cut area for forming the hot-hole are formed. A lid with a hot water hole of an instant food container having an adhesive portion in a half-cut region having an inner diameter r of 2R / 3 or less formed on the inner surface of the sheet, wherein hot water is supplied from outside the adhesive portion in the half-cut region. A substantially radial line-shaped adhesive portion centering on the adhesive portion in the half-cut region is formed in an easily peelable region slightly outside the half-cut region for forming a cut hole, Lid with cutout. 4. An inner diameter R of the hot water hole shape is 5.5 mm ≦ R.
≦ 6.5 mm, inner diameter r of the adhesive portion in the half-cut area
4. The lid with a hot water hole of the instant food container according to claim 1, wherein 2.0 mm ≦ r ≦ 4.3 mm. 5. The method according to claim 1, wherein at least the maximum dot diameter of the plurality of dot-shaped partial adhesive portions is 0.3 to 0.5 mm.
A lid with a hot water hole for the instant food container according to claim 2 or 4. 6. The lid with a hot water drain hole of an instant food container according to claim 3, wherein at least the maximum line width of the plurality of linear portion bonding portions is 0.3 to 0.5 mm.