JP4307619B2 - Resealable packaging - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention fits the convex strips of the convex tape provided on the inner surfaces facing each other in the opening and the concave strips of the concave tape, and seals the two tapes by biting and sealing the two tapes. The present invention relates to a package that can be opened and resealed.
[0002]
[Prior art]
Conventionally, as shown in FIG. 5A, a plastic fastener is often used as a means for sealing a portion of the periphery of a plastic four-sided sealing bag, etc., which is sealed around the four sides, and then opening the opening. ing.
[0003]
The packaging body 1 shown in FIG. 5A is configured by sealing a pair of constituent materials 11 and 12 around each other and fixing them together to form a content storage portion 14 and sealing the content storage portion 14. In addition, a part of the periphery thereof has linear cut scheduled portions 111 and 121 for opening the package 1 by cutting both the pair of sheet-like constituent materials 11 and 12 facing each other. Both constituent materials 11 and 12 are cut from 111 and 121 to form an opening 112 for use. Then, re-sealing and unsealing can be freely performed by a fastener constituted by the convex tape 21 and the concave tape 31 provided along the opening 112.
[0004]
That is, this plastic fastener is composed of a convex tape 21 having a convex stripe and a concave tape 31 having a concave stripe into which the convex stripe can be fitted. For example, as shown in FIG. The convex tape 21 is provided along the opening inside one of the pair of constituent materials 11 and 12 facing each other, and the concave tape 31 is provided inside the constituent material facing the convex tape. It is provided so that the protrusions and recesses of both tapes 21 and 31 can be engaged with each other, and can be opened by releasing the engagement.
[0005]
This plastic fastener is a relatively simple re-sealing means, but the constituent materials 11 and 12 constituting the bag are caused by the adhesive action of the contents or components leached out of the bag constituent materials 11 and 12 or causes of static electricity. And may be in close contact with each other. In such a case, it may be extremely difficult to peel off the two constituent materials 11 and 12 that are in close contact with each other from the cut end. Especially for those who have insufficient fingertip functions, such as young children and the elderly, it may even be impossible to remove them.
[0006]
In addition, when the convex shape and the concave shape of the fastener are engaged with each other and resealed after being peeled off in this way, the same problem occurs even when the engagement is released and reopened.
[0007]
[Problems to be solved by the invention]
The present invention has been made paying attention to the above problems, and even if the sheet-like constituent materials constituting the bag are in close contact with each other, the function of the fingertip is insufficient. However, an object of the present invention is to provide a resealable package that can be easily opened.
[0008]
[Means for Solving the Problems]
That is, the invention according to claim 1 is configured by a convex tape having a convex line and a concave tape having a concave line in which the convex line can be fitted inside the constituent material facing the convex tape. And the periphery of the sheet-shaped constituent material provided at a position where the position of the upper edge of the convex tape and the upper edge of the concave tape are different from each other, and the contents inside A tearing body which is configured to be a storage unit and which is configured by sealing the content in the content storage unit, and cuts and opens both a pair of sheet-like constituent materials facing each other above the fastener. A starting position is provided, and the upper edge portion of one of the convex tapes of the pair of sheet-like constituent materials and the upper edge portion of the concave tape of the other sheet-like constituent materials are scheduled to be cut off, respectively. And a plurality of rows of cut lines each having a plurality of oblique cuts inclined so as to have directivity from the tear start position toward the upper end of the convex tape and the concave tape. The gist of the re-sealable packaging body, characterized in that is formed .
[0009]
According to this invention, since the position of one scheduled cutting portion of the pair of sheet-like constituent materials and the position of the other scheduled cutting portion of the other sheet-like constituent material are different from each other, the configuration cut from this scheduled cutting portion Of the material, the cut end of one constituent material protrudes from the cut end of the other constituent material. For this reason, this protrusion part can be used as a finger-hanging part. Therefore, even when both constituent materials are in close contact with each other, and even when the fingertip function is insufficient, such as a child or an elderly person, the protrusion part It is possible to easily open it with a fingertip.
[0010]
Further, when the package is torn, a weak line provided at the position of the upper end of one of the convex tapes of the pair of sheet-shaped constituent materials and the upper side of the concave tape of the other sheet-shaped constituent materials The direction of tearing is guided to the planned cutting part by the weak line provided at the end position, so even if tearing is started from a position different from the planned cutting part, it is reliably guided to the planned cutting part. It is possible to cut from this position. Therefore, the protrusion can be reliably provided.
[0011]
In addition, since there is a fastener between the two constituent materials in this opening, the two constituent materials do not adhere to each other, and therefore it is possible to more easily place the finger on the protruding portion.
[0012]
As the weakening line, for example, a straight cut groove or a perforated cut groove having a depth that does not penetrate the constituent material and is provided along the planned cut portion can be used. When the cutting groove starts in the tear start position or in the middle of the tearing, the tearing direction is then guided to the cutting groove, and the cutting can be reliably cut out from the planned cutting portion.
[0013]
In addition, as this weak line, it is formed intermittently along the upper edge of both the tapes above the convex tape and the concave tape, and has one or more rows having a depth that does not penetrate the constituent material. It consists of a row of cuts, and the cuts in each row have a two-dimensional extent, and when opening the cut by tearing, it has the directionality that can correct the deviation of the cut direction from the end of one cut along the upper edge of the tape at the next cut Therefore, it is desirable that the direction guides to the part to be cut. In this case, the tearing direction is guided to the cut-out planned portion regardless of the tear start position.
[0014]
The invention according to claim 2 specifies the weakening line for such technical reasons.
That is, the invention according to claim 2
The weakening line is formed intermittently along the upper edge of both the tapes above the convex tape and the concave tape, and has a depth that does not penetrate the constituent material. And each row of cuts has a two-dimensional extent and has a direction that can correct the deviation of the cut direction from the end of one cut along the upper edge of the tape at the next cut when opening the cut by tearing, The gist of the resealable package according to claim 1, wherein the re-sealable package is guided to the cut-out scheduled portion by this directionality.
[0015]
According to the second aspect of the present invention, the weakening line is composed of a row of cuts formed intermittently along the upper edge of both tapes, and the deviation in the cutting direction from one cut edge when the cut is opened by tearing. Since it has a direction that can be corrected to follow the upper edge of the tape at the next cut, when opening by tearing, deviation of the tearing direction is prevented, and the tearing direction is reliably guided, and the convex tape It is possible to tear open along the upper edge of the concave tape. Therefore, it is possible to reliably form the protrusion and open the bag reliably and easily.
[0016]
In addition, in this invention of Claim 2, when the said notch row | line is inclined so that it may have directionality toward the upper edge part of both tapes, the tear start position is a position slightly apart from the scheduled cutting part. The direction of these cuts corrects the tearing direction and tears toward the upper edge of both tapes, and also hits the upper edge of both tapes to prevent tearing downward. The And for this reason, it becomes possible to tear open along the upper edge part of both tapes reliably.
[0018]
[Action]
According to the first aspect of the present invention, since the position of one of the pair of sheet-shaped constituent materials is scheduled to be cut out and the position of the other sheet-shaped constituent material of the planned cutting-out portion are different from each other, Of the constituent materials cut out, the cut end of one constituent material protrudes from the cut end of the other constituent material. For this reason, this protrusion part can be used as a finger-hanging part. Therefore, even when both constituent materials are in close contact with each other, and even when the fingertip function is insufficient, such as a child or an elderly person, the protrusion part It is possible to easily open it with a fingertip.
[0019]
When the package is torn, the two weakening lines guide the tearing direction to the planned cutting part, so even if tearing is started from a position different from the planned cutting part, It is guided and cut out from this position, so that the protrusion can be reliably provided.
[0020]
According to the second aspect of the present invention, the weakening line is composed of a row of cuts formed intermittently along the upper edge portions of both tapes, and the deviation in the cutting direction from the end of one cutting line is reduced when the cut is opened by tearing. Since it has a direction that can be corrected along the upper edge of the tape at the slit, if the opening is made by tearing, deviation of the tearing direction is prevented, and the upper edge of the convex tape and the concave tape is surely secured. It is possible to tear open along. Therefore, it is possible to reliably form the protrusion and open the bag reliably and easily.
[0021]
According to the invention of claim 3, since the cut line is inclined so as to have directionality toward the upper edge of both tapes, the tear start position is at a position slightly away from the planned cutting part. Even so, the direction of the cuts corrects the tearing direction and tears the tape toward the upper edge of both tapes, while striking the upper edge of both tapes to prevent the tearing downward. And for this reason, it becomes possible to tear open along the upper edge part of both tapes reliably.
[0022]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the invention will be described with reference to the drawings.
[0023]
[First Embodiment]
FIG. 1 shows a package according to a first embodiment of the present invention, FIG. 1A is a front view thereof, and FIG. 1B is a sectional view taken along line XX of FIG. 1A.
[0024]
In this embodiment, the packaging body 1 includes two sheets as constituent materials 11 and 12 which are superposed on each other and sealed around the four sides to form a fixing portion 13, so that the inside thereof is a content storage portion 14. In addition, the contents storage portion 14 is hermetically sealed, which is a so-called four-side seal bag (note that the contents are not shown). In addition, a bag in which one sheet is folded from a fold line and both walls sandwiching the fold line are used as a pair of constituent materials, and three sides excluding the fold line are sealed and fixed, that is, a so-called three-side seal bag. Also good. Further, another sheet may be applied as a constituent material to the bottom or both sides, and the bag may be swollen. A material having a bulge by applying another constituent material to the bottom is sometimes called a self-supporting bag or a standing pouch because the self-supporting property of the bag is improved. A bag in which another sheet is applied as a constituent material to the bottom and both sides may be referred to as a self-supporting bag or a gusset bag.
[0025]
As the constituent materials 11 and 12 of the packaging bag, paper, plastic films such as polyethylene film and polypropylene film, metal foil such as aluminum foil, and the like can be used. Moreover, the laminated body which laminated | stacked these suitably may be sufficient. Moreover, what applied printing ink, the adhesive agent, etc. to these, or what provided the thin film by methods, such as vapor deposition or sputtering, may be used. As the thin film, in addition to a metal such as aluminum, a thin film having high gas barrier properties and transparency such as silicon oxide, magnesium oxide, and aluminum oxide is suitable.
[0026]
In any case, it is desirable that the constituent materials 11 and 12 have sufficient flexibility as a bag.
[0027]
In this embodiment, constituent materials 11 and 12 in which a plastic film, an aluminum foil, paper, and a plastic film are laminated in this order from the outside are used.
[0028]
Next, any content can be used. However, it is preferable to use a content that needs to be stored once the contents are opened and a part of the content is taken out. For example, foods such as confectionery and seaweed, and poultices. Especially for poultices containing a large amount of volatile components, the constituent materials include aluminum foil and gas barrier materials that do not allow the volatile components to permeate, and acrylonitrile films that do not adsorb volatile components. Alternatively, it is desirable to use a laminated material containing these in the layer structure.
[0029]
Next, in the said package 1, the cut-out scheduled parts 111 and 121 are provided in a part among the four rounds sealed. The scheduled cut portions 111 and 121 are provided in a linear shape, and are provided on both of the pair of constituent materials 11 and 12 that face each other in the scheduled cut portions 111 and 121.
[0030]
The cut-out scheduled portions 111 and 121 are located at the upper end portion of the convex tape 21 of one of the pair of sheet-like constituent materials 11 and 12 and the concave tape 31 of the other sheet-like constituent material 12. The upper end portion is provided at a position different from the above position.
[0031]
That is, the planned cut portions 111 and 121 are the positions of the planned cut portion 111 of the constituent material 11 including the convex tape 21 and the planned cut portion of the constituent material 12 including the concave tape 31 among the pair of constituent materials. The position 121 is different from each other.
[0032]
That is, at the position where the convex tape 21 and the concave tape 31 are engaged with each other, the lower side edge of the convex tape 21 (the side edge that does not constitute the portion to be cut off) and the concave tape 31 is located at the same position as the lower side edge portion (the side edge portion that does not constitute the cut-out scheduled portion), and the upper side edge portion of the convex tape 21 (the one that constitutes the cut-out planned portion). The side edge) and the upper side edge of the concave tape 31 (the side edge constituting the part to be cut off) are at different positions.
[0033]
In this embodiment, the width of the convex tape 21 is made larger than the width of the concave tape 31, and the lower side edge of both the tapes 21 and 31 is set to the same position, whereby the upper side of the convex tape 21 is obtained. The edge is positioned higher than the side edge of the concave tape 31.
[0034]
Next, among the sheet-like constituent materials 11 and 12 of the package 1, the outer plastic film is composed of a plurality of cut rows 15 and 16 as shown in the partially broken main part explanatory view of FIG. 2. Weakening lines are provided, and each notch row 15, 16 is composed of a large number of notches 151, 161 formed in an intermittent manner. In FIG. 2, the sheet-like constituent material 11 is partially broken to show the positional relationship between the cut 151 and the convex tape 21, and further, a part of the convex tape 21 is broken to cut the cut 161 and the concave tape. The positional relationship with FIG.
[0035]
When the tear lines 15 and 16 start tearing with fingers from a position different from the scheduled cutting portions 111 and 121, the tearing direction is corrected, and the cutting planned portions 111 and 121, that is, the upper side of the convex tape 21 are corrected. It leads to the end and the upper end of the concave tape 31.
[0036]
That is, a plurality of cut lines 15 and 16 are formed at upper positions including the upper ends of the convex tape 21 and the concave tape 31 to form weak lines, and the cuts 151 and 161 of each line are formed. It has a two-dimensional extent, and even if the tear direction from one cut edge deviates at the time of opening the tear, the next cuts 151 and 161 are corrected so that the upper ends (scheduled portions) of the tapes 21 and 31 are aligned. Has direction to guide.
[0037]
In the case of the cut rows 15 and 16, the tear start position is defined by a large number of diagonal cuts 151 and 161 that are inclined toward the upper ends of the tapes 21 and 31 in the tearing direction. Even if the tearing direction is the direction of the arrow a at a position slightly apart from the upper end portions of the two tapes 21 and 31, both constituent materials 11 and 12 are caused by the directionality of the respective notches 151 and 161 that are waiting. Both are corrected and guided so that the tearing direction is directed to the upper ends (scheduled portions) of both the tapes 21 and 31, and when reaching the upper ends of both the strong tapes 21 and 31, the tearing is further downward. Be blocked. As a result, the tapes 21 and 31 can be surely torn apart along the upper end portions (scheduled cut portions).
[0038]
The cut rows 15 and 16 may be one row, but are preferably a plurality of rows from the viewpoint of the correction / guidance function. In addition to cuts that are inclined in one direction shown in the figure, cuts that are paired in a reverse C shape in the opposite direction to the tear opening direction are formed in an intermittent manner to form a cut row, and the same correction / guidance function is provided. It is possible to apply a cut line having a deformed perforation shape.
[0039]
Then, when the two tapes 21 and 31 are surely torn and opened along the upper end portions (scheduled tear portions), as shown in the sectional view of FIG. The sheet-like constituent material 11 provided is protruded upward from the cut end portion of the sheet-like constituent material 12 including the concave tape 31. The projection 114 can be easily opened by putting a finger on it. In this case, since there is a fastener between the two constituent materials 11 and 12, the two constituent materials 11 and 12 do not adhere to each other, and therefore, the protruding portion 114 can be more easily hooked. It is.
[0040]
In addition, as for this protrusion part 114, it is desirable to have a width | variety of 0.5-20 mm. That is, when it is less than 0.5 mm, it is not sufficient as a finger-hanging part, and it cannot be said that peeling of both constituent materials 11 and 12 is sufficiently easy, which may be inconvenient for a child or an elderly person. On the other hand, when it exceeds 20 mm, it is difficult to cut from the planned cutting portions 111 and 121, and it may be cut from a portion different from the planned cutting portions 111 and 121. Preferably, it is 1-15 mm, More preferably, it is 2-10 mm.
[0041]
Therefore, the distance l between the position of the planned cutting portion of the sheet-shaped constituent material 11 including the convex tape 21 and the position of the planned cutting portion of the sheet-shaped structural material 12 including the concave tape 31 is 0.5 to 10 mm. It is desirable to be in the range. Preferably, it is 1-7 mm, More preferably, it is 2-5 mm. That is, the width of the convex tape 21 is 0.5 to 10 mm, preferably 1 to 7 mm, more preferably 2 to 5 mm larger than the width of the concave tape 31.
[0042]
In this embodiment, the convex tape 21 and the concave tape 31 constituting the fastener are arranged linearly along the scheduled cut portions 111 and 121, but the periphery of the sheet-like constituent materials 11 and 12 is fixed. In the part 13, the convex tape 21 and the concave tape 31 are crushed by heat pressure, and the entire package including the fixing part where both the tapes 21 and 31 exist is configured to be airtight.
[0043]
The package 1 thus opened has a desired amount of contents taken out, and the remaining portion is left in the package storage portion 14 while the convex strips 22 of the convex tape 21 and the concave tape 31 are recessed. The bars 32 can be occluded and resealed. In addition, it is possible to freely repeat the opening of the bag by releasing this occlusion and the re-sealing by the occlusion. In addition, as described above, since the convex tape 21 and the concave tape 31 are crushed by the heat pressure in the fixing portion 13 around the bag, the fixing portion 13 is not opened even when the fastener is opened. When re-engaging, the tapes 21 and 31 can be easily aligned.
[0044]
In general, the fastener can be manufactured by extrusion molding or injection molding of a plastic material. As the plastic material, for example, a polyolefin resin such as polyethylene or polypropylene can be applied.
[0045]
[Second Embodiment]
Next, FIG. 4 shows a package according to the second embodiment of the present invention, FIG. 4A is a plan view thereof, and FIG. 4B is a sectional view of FIG. 4A.
[0046]
In this embodiment, the width of the concave tape 31 constituting the fastener is made larger than the width of the convex tape 21, and the lower side edge of both the tapes 21, 31 is set at the same position, so that the concave side The upper side edge of the tape 31 is positioned higher than the side edge of the convex tape 21.
[0047]
Even in this embodiment, the position of the cut-out scheduled portion 121 of the sheet-shaped constituent material 12 including the concave tape 31 is 0. 0 from the position of the planned cut-out portion 111 of the sheet-shaped constituent material 11 including the convex tape 21. It is desirable to provide at a position 5 to 10 mm apart. Preferably, it is 1-7 mm, More preferably, it is 2-5 mm. That is, the distance l between the position of the planned cutting part 111 and the position of the planned cutting part 121 is the same as in the case of FIG. The width of the concave tape is 0.5 to 10 mm, preferably 1 to 7 mm, more preferably 2 to 5 mm larger than the width of the convex tape.
Others are the same as in the first embodiment.
[0048]
【The invention's effect】
According to the first aspect of the present invention, when the package is cut out, a protrusion that can be hooked is formed, and even if both constituent materials of the package are in close contact with each other, Even a person with insufficient fingertip functions, such as an elderly person, can easily open the projection by placing the fingertip on the protrusion.
[0049]
According to the second and third aspects of the present invention, even if the finger is opened by tearing, it can be surely torn and opened along the cut-out scheduled portion, and the protruding portion is formed so that the bag can be surely and easily formed. Can be opened.
[Brief description of the drawings]
1 shows a first embodiment of the present invention, FIG. 1A is a front view thereof, and FIG. 1B is a cross-sectional view taken along line XX of FIG. 1A.
FIG. 2 is a diagram for explaining a main part of the first embodiment of the present invention.
FIG. 3 is a cross-sectional view of the package after the first embodiment of the present invention is cut out from the cut-out scheduled portion.
4A and 4B show a second embodiment of the present invention, FIG. 4A is a front view thereof, and FIG. 4B is a cross-sectional view taken along line XX of FIG. 4A.
5 shows a conventional package, FIG. 5A is a front view thereof, and FIG. 5B is a cross-sectional view taken along line XX of FIG. 5A.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1-Packaging body 11,12-sheet-like constituent material 111,121-cutting part 113-opening 114-projection part 13-fixing part 14-content storage part 15,16-cut row 151,161-cut 21- Convex side tape 22-Convex line 31-Concave side tape 32-Concave line

Claims (2)

A fastener comprising a convex tape having a convex strip and a concave tape having a concave strip on which the convex strip can be fitted inside the constituent material facing the convex tape; The position of the upper edge of the side tape and the upper end of the concave tape are fixed to each other around the sheet-like constituent material so that the inside is used as a content storage portion. And a tear start position for cutting and opening both of the pair of sheet-like constituent materials facing each other above the fastener, and the pair of sheets. A portion to be cut is provided at the position of the upper edge of one of the convex tapes of the sheet-like constituent material and the position of the upper end of the concave tape of the other sheet-like constituent material, and the tearing starts Characterized in that the formation of the weakening line formed by providing a plurality of rows of cuts column consisting of a number of oblique cuts inclined to have a directional toward the upper end of laid et the convex side tapes and concave tape Resealable packaging.   Each row of the one or more rows in which the weakening line is formed intermittently along the upper edge of both the tapes above the convex tape and the concave tape, and has a depth that does not penetrate the constituent material. The cut has a direction that can correct the deviation of the cut direction from the end of one cut along the upper edge of the tape at the time of opening the cut by tearing. The re-sealable packaging body according to claim 1, wherein the re-sealable packaging body is guided to a part to be cut off.

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