KR20130052758A - Effective period indicater - Google Patents

Abstract

PURPOSE: An expiration date indicator is provided to clearly indicate a freshness date or an expiration date according to the kind of food or medicine along the passage of an arbitrary time from an arbitrary activation point, and to enable mass production. CONSTITUTION: An indication part(11') is located at the front of a print layer(11), and a synthetic resin layer(12) and a developing medium(13') are located at the bottom. A blocking layer(14') is printed at the bottom of the developing medium in order to form an end part region(13'') of the developing medium. A molding layer(15) accommodating a developing material part(20) is located at the bottom of the blocking layer. A supporting part(16) protects and supports the molding layer in order to install an indicator.

Description

 Effective Period Indicator {Effective Period Indicater}

The present invention relates to an indicator for confirming the expiration date of a food or drug, and in particular, an expiration date indicator having a display part optimized to confirm the passage of a predetermined storage period and a distribution period irrespective of the temperature change of the surrounding environment; It is about providing the manufacturing method.

Representative techniques of the prior art include the expiration date of fish food products or the expiration date of medicines, etc. described in Japanese Patent Application Laid-Open No. 2001-33566 (2001.05.18). Disclosed is a method of displaying a distance or area. This patent discloses a label which is subjected to heat treatment for a short period of time by applying ultraviolet rays or a short time to contact with air, thereby applying chemicals or microcapsules or the like that cause chemical changes to the coated surface, and the protective sheet protects the coated surface. This configuration compares the color or density of the entire coated surface that is chemically changed with the color and density of the maturity color chart that changes color before and after the expiration date and time when the entire coated surface is generated and the concentration changes. The coated surface is used as a surface cage, and the starter cell is positioned at one end to perform heat treatment for a short period of time or to contact with air by applying pressure or under pressure, so that the cell membrane is destroyed or the air hole is opened to start chemical reaction. An expiry color chart showing a sufficiently safe period for the reaction to progress on a part of the label, an attention period color sheet indicating the expiration date, and an expiration color chart indicating the expiration date are printed as destinations corresponding to the area. The reaction control membrane limits the time to move the chemical on the entire surface to the next side.

This configuration is simple, but consists of a label type consisting of a coating surface for applying a chemical, a protective layer for protecting the coating surface, and easily peelable starting cells, but the color or concentration changes during the process of chemicals. Make sure that the expiration date is announced.

However, this patent is dependent on the properties of the chemical and is large, and the breakdown of the starter cell is easy to operate at an unintended time, and there is a high possibility of malfunction.

In view of this, it can be seen that it is desirable if the operation point is clear and the operation progress is reliable and the recognition is easy by printing according to the type of food.

Of course, depending on the type of food or drug, the expiration date or the expiration date is clearly marked at any time, and it is very desirable if mass production is possible.

The main object of the present invention is to provide an expiration date indicator and a method of manufacturing the same, which are capable of displaying the expiration date or expiration date according to the type of food or medicine and from the time of operation to a certain time and by mass production.

Another object of the present invention is to provide an expiration date indicator having a display part optimized to check the elapsed time of a food or drug even during a predetermined storage period and a distribution period regardless of a change in temperature of the surrounding environment.

According to the present invention, the expiration date indicator is a frozen-frozen food installed at the top or a printed layer having a shape of an article and a logo printed thereon, a transparent synthetic resin layer positioned below the printed layer to protect the system, and a lower synthetic resin layer. A development medium layer which is located at a position corresponding to the display portion of the printing layer and is made of a microporous film which allows the movement of the development material, a barrier layer covering the lower part of the development medium layer with a predetermined interval around the bottom of the development medium layer; The developing material portion placed adjacent to the lower portion of the barrier layer and loaded into the capsule, the molded portion made of synthetic resin so that the developing substance is hemispherical so as to be positioned at the center, and the flat portion formed on the flat portion formed around the molded portion, It consists of the supporting parts of the rubber magnet.

The developing medium is formed with a stamp line or a cut line between the developing medium layer and the periphery thereof so that the developing medium is positioned corresponding to the printing unit when the periphery is removed. The development medium layer is a commercially available microporous film, which is the same as or similar to that sold on 3M as a film for equity removal. The developing medium layer moves the developing material by capillary phenomenon, and has a characteristic of becoming transparent when the developing material is contained.

The barrier layer is printed with a resin ink that blocks the development material, and functions as a background of the development medium and a function of blocking the development material. Resin-based inks that block the development material can be obtained as ink having color by adding dye to the synthetic resin as a base material, and printing by silk printing or UV printing.

The developing material is a commercially available silicone oil or liquid paraffin, which makes the developing medium transparent and has a characteristic of moving through the developing medium by capillary action.

The manufacturing method of the expiration date indicator is a transparent synthetic resin sheet is laminated with a microporous film at the bottom, and the synthetic resin sheet on the upper portion of the display portion and the circumference of the display portion on which the frozen food or the shape of the article or the predetermined characters are printed. A plurality of printed layers consisting of peripheral edges are prepared, and the lower microporous film is removed by processing the peripheral edges of a predetermined interval formed around the end region and the development medium with a stamp line or a cutting line. In this way, the processed development medium corresponds to one-to-one, and is printed and coated with development material blocking ink in a size slightly smaller than the development medium to form a plurality of blocking layers.

The expiration date indicator according to the principles of the present invention is a synthetic resin in which a plurality of compartments are formed in correspondence with a printed sheet and a printing sheet on which the foods for freezing and refrigerating, the figures and letters of the shape of an article are printed in a predetermined region in the center of the plurality of compartments. Sheet, an end of development medium having a development medium layer composed of a development medium which is positioned in correspondence with the display portion of the printing layer and allows the movement of the development material and an end region which is the starting point of the development material at the periphery of the development medium, the end A barrier layer coated with a barrier material with a printing method on the development medium except for the area, a development material part positioned adjacent to the lower part of the barrier layer and loaded into a capsule, and a molding part and a molding part molded to be located at the center of the development material. Forming sheet formed of a flat part formed around the circumference and a plurality of supporting parts installed in a plurality of compartments having a thickness greater than the height of the molded part It is sex.

In addition, the expiration date indicator coincides with a compartment in which a plurality of specific parts are divided so that only the development medium is positioned by removing the periphery of each part of the development medium layer while the printing sheet, the synthetic resin sheet and the development medium sheet are positioned thereunder. Coupling and coating a plurality of barrier layers with the developing material blocking ink to form an end region of the developing medium, and then the concentric circle supports the developing medium and the blocking layer and is flat while the molded sheet is prepared as a single sheet to accommodate the developing material. The addition further comprises the steps of installing a support having a thickness greater than the height of the molded part which is hot melt bonded and adhesively bonded together with the print layer and the synthetic resin layer at the positions of the one or more peripheral parts and cut per partitioned section.

The present invention is determined by the operation time according to the type of food or drug to display the time period of the fresh or expiration date to ensure easy management and mass production is possible.

1A and 1B are cross-sectional views of a part of the expiration date indicator according to the present invention assembled and assembled;
2 is a perspective view showing an exploded portion of the expiration date indicator according to the present invention;
3A and 3B are assembled cross-sectional views and a top view showing an operation start and an operation state of an expiration date indicator according to the present invention, respectively;
4 is a view showing an example using the expiration date indicator according to the invention applied to the egg,
5 is a view showing a method for mass production of the expiration date indicator according to the present invention.

The present invention will be described in detail with reference to the accompanying drawings.

As shown in FIGS. 1A and 1B, the expiration date indicator 10 may be partially removed and assembled. The expiration date indicator 10 includes a print layer 11 having a display portion 11 'which is a frozen food or an article shape and logos to be configured as a front portion. In particular, the display portion 11 ′ is displayed in a predetermined shape or pattern as the center of the print layer 11 represents a refrigerated product at a predetermined portion.

The synthetic resin layer 12 is made of transparent PVC, transparent resin, or the like to protect the system and is positioned adjacent to the same size just below the print layer 11.

The development medium layer 13 is positioned below the synthetic resin layer 12 to correspond to the display portion 11 ′ of the printing layer 11 and is a microporous film that allows the development material to move. The development medium layer 13 comprises an end region 13 ″ and a development medium (13 ″) composed of a portion of the development medium 13 ′ corresponding to the display portion 11 ′ in the same size and an operation start of the development material described later in detail. 13 ') having a predetermined interval 13' '' (see also FIG. 5) formed around the cutting medium 13 'and is processed by a stamping line or a cutting line between the developing medium 13' and removed during manufacture.

The barrier layer 14 is coated and positioned directly below the development medium 13 'by a printing method using a development material barrier material. The barrier layer 14 allows the developing material 21 to come into contact with the end region 13 ″, which is the starting point of the developing medium 13, and functions as a background color or may be printed with a figure of the applied product.

The shaping layer 15 is made of synthetic resin material and is formed adjacent to the lower portion of the blocking layer 14 and formed around the shaping portion 15 'and the shaping portion 15' which are double concentric elliptic in the center. Flat portion 15 " The molding unit 15 accommodates the developing material portion 20 having a configuration in which the developing material 21 is charged into a capsule thereon.

The support 16 is formed of a rubber magnet or a molded article having a double-sided tape on the lower side, and is formed below the flat part 15 "and formed to have a thickness greater than or equal to the height of the molded part 15. Therefore, this support 16 ) Displays the expiration date of the product represented by the stored figure by allowing the system to be attached to the door outside the storage area, such as a refrigerator for storing frozen refrigerated foods.

As shown in FIG. 2, the expiration date indicator 10 has a display portion 11 ′ on the front surface of the printed layer 11, and a synthetic resin layer 12 and a development medium under the printed layer 11. 13 'is positioned. The barrier layer 14 'is coated under the development medium 13' so as to form an end region 13 '' of the development medium 13 ', and the development material under the barrier layer 14'. A shaping layer 15 is received to receive the portion 20, and finally a support 16 is provided to protect and support the shaping layer 15 and to install the system.

As shown in FIG. 3, since the expiration date indicator 10 presses the molded part 15 ′, the developing material 21 in the developing material part 20 moves the developing medium 13 ′ into the blocking layer 14. It comes into contact with the uncovered circumferential end region 13 ″ and moves to the center of the development medium 13 ′ as shown in FIG. 3B.

If the shelf life of the refrigerated product, for example, egg packaging or wrapping paper, and sold together with the expiration date indicator 10 according to the present invention, the housewife who purchased it while organizing / storing the product in the refrigerator, enclosed expiration date indicator ( 10) is attached to the door of the refrigerator to indicate the expiration date so that the user recognizes the expiration date of the product.

That is, as shown in FIG. 4, the expiration date indicator 10 has the display portion 11 'formed on the print layer 11 as the yolk of the egg and the developing material 21 as the end region of the developing medium 13'. As it comes into contact with (13 '') and becomes transparent as it moves, the blocking portion 14 is shown and displayed externally. Therefore, when the expiration date indicator 10 is activated, the edge appears barked to the state of the egg (B) before the operation of the egg (A), and the developing material 21 moves to the center as the time or period elapses thereafter. As the 13 ′ becomes transparent, the blocking portion 14 ′ appears to gradually move red inward. Based on this, it is indicated that the egg (C) 20 days before the expiration date, the egg (D) 10 days before the expiration date, and the egg (F) 10 days before the expiration date. Ensure that the product is used in a timely manner.

In addition, the present invention has a structure capable of mass production.

As shown in FIG. 5, the printing sheet 1 may be a single sheet divided into a plurality of printing layers 11, and may be freeze-fried food or a figure which is shaped like a shape of an article or predetermined characters are printed on a certain area in the center thereof. The display portion 11 ′ may be formed around the display portion 11 ′ and a peripheral portion having a predetermined width.

The synthetic resin sheet 2 is prepared as a single sheet and partitioned into a plurality of synthetic resin layers 12 corresponding to the printing layer 11 in one-to-one correspondence.

On the other hand, the printing layer 11 is laminated with the synthetic resin sheet 2, the printing layer 11 may be printed directly on each of the partitions divided into a plurality on the synthetic resin sheet (2). The development medium sheet 3 is prepared by laminating the synthetic resin sheet 2 and partitioned into a plurality of development medium layers 13 corresponding to the printing layer 11 or the synthetic resin layer 12 in a one-to-one manner, and the development medium layer ( 13 is composed of a development medium layer 13 corresponding to the printing portion 11 'and a peripheral portion 13' '' of a predetermined width around the end region 13 '' in the development medium 13 ', A stamp line or a cut line is formed between the developing medium 13 'and its periphery. Therefore, when the developing medium sheet 3 is laminated under the synthetic sheet 2, the peripheral portion 13 '' 'is removed and the developing medium layer 13 corresponds to the printing portion 11' so that the synthetic sheet 2 It is located in each compartment of.

The barrier sheet 4 may be formed of a resin sheet capable of blocking the development material, but more preferably, a plurality of barrier layers 14 may be formed of the print layer 11, the synthetic resin layer 12, or the development medium layer 13. One-to-one correspondence is covered by printing using a development barrier material.

Therefore, the blocking layer 14 is positioned below the developing medium 13 'so that the developing material 21 contacts the end region 13' 'around the developing medium 13' so that the center of the developing medium 13 'is positioned. Is moved by capillary action.

The molding sheet 5 is formed of a single sheet and has a molding portion 15 'accommodating the capsule-like developing material portion 20 at the center thereof, and forms a concentric ellipse with the molding portion 15'. ) And the barrier layer 14 are partitioned into a plurality of shaping layers 15 consisting of flat portions 15 '' around the perimeter.

Therefore, the expiration date indicator 10 is printed in accordance with the resin sheet 2 which directly prints the print layer 11 or the plurality of compartments of the resin sheet 2 in accordance with the compartments in which the specific parts thereof are divided into a plurality. A layer 11 is formed to prepare a laminated synthetic resin sheet, and a development medium sheet 3 is positioned under the synthetic resin sheet 2, and a peripheral portion 13 '' 'is formed at each partition in the development medium layer 13. Only the development medium 13 'having been removed is positioned, and the barrier layer 14 is covered and the development medium 13' 'is formed so that the blocking portion 14' is formed under the development medium 13 '. In the state where the sheet 5 is prepared as a single sheet and accommodates the developing material portion 20, the concentric ellipse portion supports the developing medium 13 'and the blocking layer 14, and the printed layer together with the flat portion 15' '. 11 and melt-bonded or adhesively bonded together with the peripheral portions of the resin layer 12. The expiration date indicator 10 then cuts and separates the system into compartments on each sheet, and is a rubber magnet 16 having a thickness greater than the height of the molded part 15 'or a support 16 having double-sided tape on the underside. Is installed and the assembly is completed.

10: expiration date indicator 11: printed layer 12: synthetic resin layer
13: development medium layer 14: barrier layer 15: forming layer
16: support part 20: development material part

Claims (8)

In the expiration date indicator,
Printed layer which is installed at the top of the frozen refrigerated foods or has a display unit printed the shape of the article, logos,
A resin layer underneath the printed layer to protect the system,
A developing medium comprising a microporous film positioned under the synthetic resin layer and corresponding to the display portion of the printing layer to allow movement of the developing material;
Barrier layer that covers the bottom of the development medium with a constant interval and covers the lower part inwardly,
A developing material part positioned adjacent to the lower portion of the barrier layer and charged into a capsule, and a molded part molded to be located inside the developing material part;
An expiration date indicator, characterized by being formed under the flat part formed around the molding part and having a thickness equal to or greater than the height of the molding part.
The method according to claim 1,
The development medium has an expiration date or cut line formed between the development medium layer and the periphery thereof so that the development medium is positioned corresponding to the printing unit while the periphery is removed.
The method according to claim 1,
The barrier layer is characterized in that an end region corresponding to the development medium and having an end region acting as a passage for movement of the development material is formed around the development medium.
The method according to claim 1,
The barrier layer is made of a barrier material of the developing material and functions as a background color of the developing medium.
In the expiration date indicator,
Printed sheets printed with foods for freezing and refrigerating, figures and letters in the shape of the article in a predetermined region in the center of a plurality of compartments,
Synthetic resin sheet having a plurality of compartments corresponding to the printing sheet,
A development medium sheet having a development medium layer positioned corresponding to the display portion of the printing layer and having a development medium for allowing movement of the development material and an end region which becomes an operation starting point of the development material at the periphery of the development medium,
A barrier layer coated with a developing material barrier material by a printing method on the development medium except for the end region;
A deployment material portion positioned adjacent the bottom of the barrier layer and loaded into the capsule,
A molded sheet including a molded part formed to be positioned at the center of the developing material and a flat part formed around the molded part;
An expiration date indicator, characterized in that it comprises a plurality of supports having a thickness greater than the height of the molded part and installed in the plurality of partitions.
The method according to claim 5,
An expiration date indicator, characterized in that the printing layer is formed in each of the compartments divided into a plurality of resin sheets, and laminated, and the development medium sheet is placed on the synthetic resin sheet so that only the development mediums are prepared by laminating.
In the manufacturing method of the expiration date indicator,
Preparing a display sheet composed of a plurality of printed layers and a peripheral sheet having a predetermined width around the display sheet;
Prepare a synthetic resin sheet partitioned into a plurality of synthetic resin layers in a one-to-one correspondence with the print layer as a single sheet,
The printing sheet and the synthetic resin sheet are placed overlapping each other and the development medium layer is one-to-one to cover the barrier material to a size slightly smaller than the development medium to form a plurality of barrier layers,
Preparing a molded sheet having a plurality of molded layers including a blocking layer, a molded part positioned adjacent to the top of the synthetic resin sheet and having a hemispherical shape, and a flat part formed around the molded part,
Combining molding sheets comprising a plurality of molding layers each fixing a printing sheet, a resin sheet, a developing medium layer, and a barrier layer to the compartments of the synthetic sheet, and joining the peripheral parts and the flat parts of each compartment by thermal melting. A manufacturing method of an expiration date indicator, characterized in that.
The method of claim 7,
Preparing a laminated synthetic resin sheet by forming a printing layer on a plurality of compartments partitioned on the synthetic resin sheet, and laminating and bonding the development medium of the development medium layer so that only the development medium layer is positioned on the synthetic resin sheet. Method of manufacturing an expiration date indicator, characterized in that it further comprises.

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