JPH07251876A - Underlay sheet for food - Google Patents

Abstract

PURPOSE:To heighten the value of food as merchandise with outward appearance of the food as a merchandise made to be attractive when packed together with an underlay sheet in a packaging tray while preventing the food from discoloring and deteriorating in freshness. CONSTITUTION:An exterior sheet 2, in a blade-like shape with a number of thin projecting stripes 21 provided to its surface, is joined integral with one side of a water retentive sheet 1 having water retentivity, and thereby an underlay sheet S for food is formed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an underlay sheet for foods, which is mainly used as an underlay for foods such as fresh fish such as sashimi and meat, which are prone to sap or gravy.

[0002]

2. Description of the Related Art Conventionally, as an underlay sheet for this type of food,
The one described in Japanese Utility Model Publication No. 63-45302 is known, and the one described in this publication is such that a non-water-absorbent sheet is joined and integrated on one side of a sheet having water-absorbing property.
A plurality of holes are provided at least on the non-water absorbent sheet side. When using such an underlay sheet, the sheet is laid on the bottom surface of the packaging tray, and food such as fresh fish or meat is placed on the upper surface of the underlay sheet for use, and liquid or gravy is leached from the food. Even in such a case, it is possible to prevent these from being unsightly by permeating downward through the holes and being absorbed by the water-absorbent sheet, or by reducing the food freshness by immersing the food in meat juice or the like. .

[0003]

By the way, the above-mentioned conventional food underlayment sheet is laid on the bottom side of the packaging tray, and food is placed on the upper surface thereof for sale, and the liquid juice or the like is used. Although the effect of absorption of the underlay sheet is obtained, no consideration is given to the decorative property of the underlay sheet, that is, this underlay sheet does not actively contribute to increase the commercial value of food, Therefore, even if the underlay sheet is provided, the commercial value of food cannot be increased.

An object of the present invention is to provide a food underlayment sheet which can improve the decorativeness and enhance the commercial value of the food while preventing the quality of the food from being deteriorated.

[0005]

In order to achieve the above-mentioned object, the invention according to claim 1 has a water-retaining sheet 1 having water-retaining property. The cover sheet 2 having the width ridges 21 is joined and integrated.

According to the second aspect of the invention, the cover sheet 2 is provided with a plurality of water passage portions 23.

Further, the invention according to claim 3 is characterized in that the covering sheet 2 is formed by a leaf-like sheet mainly colored in green, and the invention according to claim 4 is between the water retaining sheet 1 and the covering sheet 2. In addition, the gas generating agent 10 that generates carbon dioxide gas by absorbing water is interposed.

[0008]

According to the invention described in claim 1, the underlay sheet for food comprises a water retaining sheet 1 and a cover sheet 2 integrally bonded to one side of the sheet 1, and the sheet 2 is mounted as a cover sheet, That is, since decoration such as coloring is applied, and moreover, a large number of narrow ridges 21 are provided on the front surface side of the cover sheet 2, and these ridges 21 form an uneven pattern. The sheet 2, that is, the underlayment sheet can be made highly decorative. Therefore, such an underlayment sheet is housed in a packaging tray together with sashimi tabs and laid in an inclined manner, and is placed on the upper surface thereof. When putting food such as fresh meat or fresh fish and covering the outer side of the packaging tray with a transparent film for commercialization, the narrow ridges 21 of the cover sheet 2 face upward and the ridges 21 of the cover sheet 2 are directed upward. The food on the side In addition, by exposing the upper surface of the cover sheet 2 on which the food is placed and making the exposed portion visible from the outside of the packaging tray, the decorative appearance of the cover sheet 2 makes it look good from the outside. As a result, the commercial value of the food can be significantly improved. Further, as described above, when a food such as fresh meat or fresh fish is packed, and the meat juice or the liquid juice is leached from the food, the covering sheet 2 is laid with the narrow ridge 21 facing upward, Grooves are formed between the ridges 21, so that the juice or the like leached from the food is transmitted through the grooves between the ridges 21 located at the outer periphery of the food or a portion facing the food. While being guided, it is guided downward and discharged to the bottom, and the discharged juice can be absorbed by the water retaining sheet 1 provided on the back side of the cover sheet 2. That is, when storing food such as fresh fish in the packaging tray for sale,
Since the sashimi tabs and the like are put in the packaging tray, when laying the underlay sheet in the packaging tray, the sashimi tabs and the like are put on the back side of the underlay sheet, and the underlay sheet is placed. The narrow ridges 21 provided on the cover sheet 2 are laid in an inclined manner so that one side is high and the other side is low, and food is placed on the upper side for sale, so that juice leached from this food, etc. The ridge 2
It is possible to discharge the water to the lower side and absorb the water retaining sheet 1 by utilizing the groove between the two.
When used in the packaging tray as described above, it is possible to prevent the sap or the like from being stagnant around the food, and it is possible to prevent the food freshness from being lowered due to the water being immersed in the sap or the like, Moreover, it is possible to eliminate the feeling of uncleanness caused by the liquid juice and the like remaining around the food, and in combination with this and the fact that the underlay sheet is provided with decorativeness, the food has a good appearance. It can be retained and its commercial value can be further enhanced.

Further, according to the second aspect of the present invention, since the plurality of water passage portions 23 are provided in the cover sheet 2, meat juice or liquid juice is leached from the food placed on the cover sheet 2. At this time, the liquid juice or the like can be positively discharged not only from the grooves formed between the narrow protrusions 21 but also from the water passage portion 23 so that the water retaining sheet 1 can absorb water. It is possible to more reliably prevent the food freshness from being deteriorated by the water contained in the sap or the like leached from the food, and further, the sap or the like leached from the food may stay in the outer peripheral portion of the food. Instead, the water retaining sheet 1 side can be quickly made to absorb water through the groove or the water passage portion 23, and the sense of incongruity due to the liquid juice and the like remaining around the food can be eliminated, and the commercial value of this food. Further increase Door can be.

Further, according to the invention of claim 3, since the covering sheet 2 is mainly formed of a leaf-colored sheet colored in green, the coloring color of this sheet and the covering sheet 2 are provided. With the narrow ridges 21 corresponding to the veins of leaf orchids, the outer appearance of the cover sheet 2 can be made like a leaf leaf of a plant. Therefore, the cover sheet 2 in the form of leaf leaves is used on the upper side thereof. By placing a food product and accommodating it in the packaging tray in a state where a part of the cover sheet 2 is exposed to the outside, the decorative property of the underlay sheet can be further enhanced, and the commercial value of the food product is further enhanced. It can be improved.

Further, in the invention according to claim 4, when the water retaining sheet 1 absorbs water and retains water by the gas generating agent 10 interposed between the water retaining sheet 1 and the covering sheet 2, the gas generation is performed. Since the agent 10 generates carbon dioxide gas, the food can be prevented from being oxidized, the spoilage due to bacteria can be suppressed, and the freshness of the food can be effectively maintained.

[0012]

EXAMPLE A food underlayment sheet S shown in FIG. 1 has a water-retaining sheet 1 having a water-retaining property and a large number of narrow ridges 21,
It is composed of a non-water-absorbing cover sheet 2 in which grooves 22 are formed between the protrusions 21.
1 and the groove 22 are formed by being joined and integrated with one surface of the water retention sheet 1 so that the formation side of the groove 22 is exposed on the outer surface.

As the water-retaining sheet 1, a non-woven fabric such as pulp or rayon, a sponge, cotton, cloth, paper or the like having water absorption and water-retaining property is used, and the cover sheet 2 has a large number of narrow widths. A leaf orchid-like sheet made of non-water-absorbent synthetic resin such as polyethylene which is colored green in its entirety and has ridges 21 and grooves 22 at equal intervals is used. The underlayment sheet S is formed by joining and integrating the sheet 1 and the cover sheet 2 with an adhesive or thermocompression bonding means, and the one side in the width direction of the underlayment sheet S is shown in FIG. As is apparent, the zigzag cut pattern 10 is provided for use.

In the example of use shown in FIG. 3, the underlay sheet S is provided with the narrow ridges 21 and the grooves 2 of the cover sheet 2.
2 is housed in the packaging tray 3 so that the forming side faces upward, the sashimi 4 as the food is placed on the upper side of the cover sheet 2, and the open side of the packaging tray 3 is made of a transparent film (not shown). It is coated and used as a closed pack for sale. At this time, the cover sheet 2
Is provided with a large number of narrow protrusions 21 and grooves 22 on the surface side thereof, and since the protrusions and protrusions 21 and grooves 22 form an uneven pattern, the overall appearance of the cover sheet 2 can be improved. Yes, in particular, since the whole of the covering sheet 2 is colored green, and a large number of the ridges 21 corresponding to the veins of leaf orchids are provided on the surface side of the covering sheet 2, Since it has a leaf-like shape, the overall appearance can be improved, and therefore, the exterior sheet 2 is joined and integrated with the water retaining sheet 1 to form an underlayment sheet S. Cut pattern 10
By forming the above, the entire underlay sheet S can be made highly decorative. When the sashimi 4 is placed on the upper side of the cover sheet 2 of the underlay sheet S, the notch pattern 10 formed on the underlay sheet S is placed on the placement portion of the sashimi 4 as shown in FIG. It is laterally exposed to the outside, and both side portions of the cover sheet 2 are exposed so that the exposed portions can be seen from the outside of the packaging tray 3 through the transparent film. It is possible to enhance the decorativeness of the sheet 2, that is, the underlay sheet S, improve the appearance from the outside, and improve the commercial value of the sashimi 4.

In the case where the sashimi 4 is packaged and commercialized as described above, and when the juice oozes from around the sashimi 4, the cover sheet 2 is placed on the back side of the sashimi 4. Since the narrow ridges 21 are laid facing upward, and the grooves 22 are formed between the ridges 21, respectively, the juice leached from the sashimi 4 faces the outer periphery of the sashimi 4 or the sashimi 4 Groove 22 between each of the ridges 21 located in the part
It is possible to discharge the soup to the outside while allowing the water to be absorbed by the water retaining sheet 1 provided on the back side of the cover sheet 2. That is, when the underlayment sheet S is laid in the packaging tray 3 and the sashimi 4 is placed on the underlayment sheet S for sale, the sashimi tab 5 or the like is usually provided on the back side of the underlayment sheet S. Since it is sold by putting it, when laying the underlayment sheet S in the packaging tray 3, as shown in the figure, put the sashimi tab 5 or the like on the upper back side of the underlayment sheet S,
By laying the underlayment sheet S so that one side of the narrow width ridges 21 provided on the cover sheet 2 is high and the other side is low, and the sashimi 4 is placed on the upper side thereof for sale, the sashimi 4 It is possible to discharge the juice that has leached from the lower part while utilizing the groove 22 between the ridges 21 so that the water retaining sheet 1 can absorb it. In addition, the packaging tray 3 accommodating the sashimi 4 is usually placed on a commodity shelf which is tilted up and down so that the customer side is in a lower position in advance so that the customer can easily see the merchandise, and is offered for sale. Therefore, by laying the cover sheet 2 in the packaging tray 3 so that the narrow protrusions 21 thereof are in the same direction as the inclination direction of the product shelf, it is not always necessary to use the tabs 5 or the like. The juice leached from the sashimi 4 is discharged to the lower side using the groove 22 between the narrow ridges 21 along the inclination direction of the product shelf, and the discharged juice is absorbed into the water retaining sheet 1. It can be done. Therefore, the sashimi can be prevented from being stagnant around the sashimi 4, and the sashimi 4 can be prevented from being discolored or the freshness of the sashimi 4 being deteriorated due to its water content. Up,
It is also possible to eliminate the feeling of uncleanness caused by the liquid juice stagnation around the sashimi 4, and the fact that the underlayment sheet S is provided with a decorative property improves the appearance of the sashimi 4. It can be retained and its commercial value can be further enhanced.

A plurality of water passage portions 23 may be formed on the cover sheet 2 together with the narrow ridges 21 and the grooves 22, and the water passage portions 23 are shown in FIG. 2, for example. As described above, circular or non-circular opening holes are formed in the grooves 22 provided between the protrusions 21 of the cover sheet 2 so that the surface side of the cover sheet 2 communicates with the water retaining sheet 1. It is provided or formed by making cuts or the like in the cover sheet 2. It should be noted that the water passage portion 23 does not necessarily have to be provided only in the groove 22.
It may be provided laterally or obliquely across the groove 22. Further, when the water passage portion 23 is formed in the lateral direction or the oblique direction, it may be formed regularly, or may be formed in a staggered manner and regularly, or may be formed randomly.

As described above, when a plurality of water passage portions 23 are provided on the cover sheet 2, when the juice leaches from the sashimi 4 placed on the cover sheet 2, the juice is fed into the narrow ridges. Not only the groove 22 formed between the two 21 but also the water passage 23 can be positively drained to allow the water retaining sheet 1 side to absorb water. Therefore, the sashimi 4 is dipped in the brewed juice. It is possible to more reliably prevent the sashimi 4 from being discolored or the freshness thereof being deteriorated by the water content, and moreover, the juice leached from the sashimi 4 is
It is possible to quickly absorb water to the water retaining sheet 1 side through the groove 22 and the water passage portion 23 without stagnation in the outer peripheral portion of the sashimi, and eliminate the feeling of uncleanness due to the liquid juice stagnation around the sashimi 4. This makes it possible to further enhance the commercial value of this sashimi 4.

Further, the above-mentioned underlayment sheet S can be used as a bed for steamed bun 6, as shown in FIG.
That is, the water retention sheet 1 is located on the back surface side, and
The cover sheet 2 is used by being brought into contact with the lower side of the bun 6. When the steamed bun 6 is steamed, moisture due to water vapor is retained in the water retaining sheet 1. Therefore, when the bun 6 is housed in the packaging container, the moisture retained in the water retaining sheet 1 causes the bun 6 to be absorbed. Can be prevented from drying. Further, the underlay sheet S can be used not only as an underlay for the sashimi 4 or as a bed for the buns 6 described above, but also as an underlay for a folding box, a lunch box, or a diaper.

Further, as shown in FIG. 5, a gas generating agent 10 such as baking soda which generates carbon dioxide gas by absorbing water may be interposed between the water retaining sheet 1 and the cover sheet 2. By doing so, when the water retention sheet 1 absorbs and retains water during use, carbon dioxide gas can be generated by this water absorption. Therefore, when the water retention sheet 1 is used as the above-mentioned closed pack, the oxygen in the pack can be used. It is possible to reduce the concentration and make the atmosphere rich in carbon dioxide, and as a result, it is possible to suppress the deterioration of the quality of food due to oxidation and the progress of spoilage by bacteria, and to effectively maintain the freshness of the food. A hygroscopic agent such as a high-molecular water-absorbing polymer or silica gel may be used in combination with the gas generating agent 10, and active iron oxide, a low-molecular phenol compound such as a catheter, and a deoxidizing agent such as activated carbon may be used. You may use together.

[0020]

As described above, according to the invention described in claim 1, one side of the water retaining sheet 1 having water retaining property does not have water absorbing property and a large number of narrow ridges 21 are formed on the surface. Since the underlay sheet for food is formed by joining and integrating the provided covering sheet 2, that is, this underlay sheet for food is the water retaining sheet 1 and the covering sheet that is joined and integrated on one side of the sheet 1. This sheet 2 is made into a surface, that is, decorated with coloring and the like.
Since a large number of narrow protrusions 21 are provided on the surface side of the cover sheet 2, and the protrusions 21 form an uneven pattern, the cover sheet 2, that is, the underlay sheet is entirely decorative. Therefore, such an underlay sheet is housed in, for example, a packaging tray, foods such as fresh fish and meat are placed on the underlay sheet, and the outside of the packaging tray is covered with a transparent film for commercialization. At this time, the narrow ridge 21 of the cover sheet 2 faces upward, and a food such as fresh fish or meat is placed on the ridge 21 side of the cover sheet 2. At this time, 1 of the cover sheet 2 on which the food is placed. By exposing the exposed portion and allowing the exposed portion to be seen from the outside of the packaging tray, the external appearance is improved due to the decorative property of the cover sheet 2 and the commercial value of food is significantly increased. It is possible to above.
Moreover, when the food such as meat and fresh fish is packed as described above, even if the gravy or sap is leached from this food,
The cover sheet 2 is laid with the narrow ridges 21 facing upward, and grooves are formed between the ridges 21, respectively. Is discharged to the outside while being transmitted through the groove between each of the ridges 21 located at a position facing each other, and the juice discharged to the outside is stored in the water retaining sheet 1 provided on the back side of the cover sheet 2. Since it is possible to absorb water, it is possible to prevent sap or the like from remaining around the food, and to prevent the food from being immersed in sap or the like and reducing the freshness of the food due to its water content. Also, it is possible to eliminate the feeling of uncleanness due to the liquid juice and the like remaining around the food, and in combination with providing the underlayment sheet with decorativeness, the food can be held in a good appearance, Further increase commercial value It is the can.

According to the second aspect of the present invention, since the plurality of water passage portions 23 are provided in the cover sheet 2, liquid juice or meat juice is leached from the food placed on the cover sheet 2. At this time, not only the grooves formed between the narrow ridges 21, but also the meat juice can be positively discharged from the water passage portion 23 so that the water retention sheet 1 can absorb water. It is possible to more reliably prevent deterioration of food freshness due to water contained in sap or broth leached from the food, and further, sap or the like leached from the food may stay at the outer peripheral portion of the food. Instead, the water retaining sheet 1 side can be quickly made to absorb water through the groove or the water passage portion 23, and the sense of incongruity due to the liquid juice and the like remaining around the food can be eliminated, and the commercial value of this food. To further increase Can.

Further, according to the third aspect of the invention, since the covering sheet 2 is formed of a green orchid leaf-like sheet, the covering sheet 2 is colored green and the covering sheet 2 With the narrow ridges 21 corresponding to the leaf veins of the orchid, it is possible to make the outer appearance of the above-mentioned covering sheet 2 into a leaf-like shape of a plant. Therefore, using such a covering sheet 2 in the form of a leaf-orchid, By placing a food product on the upper side and accommodating it in the packaging tray in a state where a part of the covering sheet 2 is exposed to the outside, the decorative property of the underlay sheet can be further enhanced, and a food product. The target value can be further improved.

Further, in the invention according to claim 4, when the water retaining sheet 1 absorbs water and retains water by the gas generating agent 10 interposed between the water retaining sheet 1 and the covering sheet 2, the gas generation is performed. Since the agent 10 generates carbon dioxide gas, the food can be prevented from being oxidized, the spoilage due to bacteria can be suppressed, and the freshness of the food can be effectively maintained.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional view of a food underlayment sheet according to the present invention.

FIG. 2 is an enlarged cross-sectional view showing an embodiment in which the underlay sheet is provided with a water passage portion.

FIG. 3 is a cross-sectional view showing an example of use of the same underlayment sheet.

FIG. 4 is a cross-sectional view showing another example of use of the same underlayment sheet.

FIG. 5 is a cross-sectional view showing another embodiment in which a gas generating agent is interposed.

[Explanation of symbols]

 1 Water retention sheet 2 Cover sheet 21 Narrow ridge 23 Water passage part

Claims (4)

[Claims] 1. A water-retaining sheet (1) having water-retaining property, which has no water-absorbing property on one surface and has a large number of narrow ridges (2) on the surface.
An underlay sheet for foods, characterized in that a cover sheet (2) provided with (1) is joined and integrated. 2. A plurality of water-permeable parts (2) are provided on a cover sheet (2).
The food underlayment sheet according to claim 1, which is provided with 3). 3. The food underlayment sheet according to claim 1 or 2, wherein the cover sheet (2) is a leaf-like sheet. 4. A gas generating agent (1) for generating carbon dioxide gas by absorbing water between the water retaining sheet (1) and the facing sheet (2).
The food underlayment sheet according to any one of claims 1 to 3, wherein (0) is interposed.