JP3721121B2 - Bag with scraper bar - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a bag with a chopping bar, and more specifically, a powdered, granular, granular and other contents are sealed and packaged, and a chopping spoon or the like that enables high-precision measurement when the contents are used. It relates to bags with bars.
[0002]
[Prior art]
Conventionally, as a packaging container that has been packaged in a powdered, granular, granular, etc. contents and enables high-precision measurement with a measuring spoon when the contents are used, for example, a can or a plastic molded container, etc. The shape-retaining container is provided with an outer lid or inner lid made of a plastic molded body, etc., and the outer lid or inner lid is provided with a slicing bar. There was a container that could be weighed by a scraping method.
[0003]
[Problems to be solved by the invention]
However, the shape-retaining container having such a scraping function can be used conveniently. However, since the empty container after use is bulky, the disposal process is troublesome, and at the same time, the cost is high. There was a problem.
[0004]
The present invention has been made to solve such problems, and the object of the present invention is to safely seal and package contents such as powder, granules and granules, and When using the contents, the contents can be weighed easily and accurately with a measuring spoon, etc., and the empty container after using the contents is not bulky and can be easily disposed of. Another object is to provide a bag with an excellent bar.
[0005]
[Means for Solving the Problems]
The above problems can be solved by the following present invention.
That is, the invention described in claim 1 is a bag for hermetically packaging powdery or granular contents, and an openable / closable chuck tape is thermally bonded to the inner surface in the vicinity of the mouth of the bag. A foldable slide bar is joined to the inner inner surface in a folded state, and when the bag is opened, the slide bar opens in a straight line to form a slide bar. It consists of a bag with a chopping bar, which is characterized by enabling weighing.
[0006]
In the present invention, the form of the bag body is not particularly limited. For example, in addition to a flat bag such as a three-side seal type bag or a four-side seal type bag, a standing pouch type bag or a gusset pouch type bag is used. be able to.
[0007]
Further, as shown in FIG. 3, the chuck tape is composed of a tape body provided with protruding ridges that can be fitted to each other, and a tape body provided with concave ridges, on the inner surface of the opening of the bag, Both are arranged so that the ridges and recesses face each other, and attached to the bag by thermal bonding to the tape body, and the bag can be easily opened and closed by fitting or detaching the ridges and recesses, And it can be repeated.
[0008]
By adopting the configuration as described above, the main body of the bag can be formed into an arbitrary shape by heat-sealing the laminated film, so that it has excellent sealing properties and can be opened and closed at the mouth of the bag. Are attached to each other with a foldable slidable bar folded inside, so when using the filled contents, the chuck tape can be easily disengaged at any time. Then, the scraping bar joined to the inside is opened in a straight line so that it can be scraped and weighed, and the contents can be taken out while being measured using a measuring spoon.
In addition, even after taking out a part of the contents, you can easily fold the scraper bar, fit the chuck tape, and reseal the bag, so you can safely store the contents until the next use Can do.
[0009]
According to a second aspect of the present invention, the bag is formed of a bag with a sliding bar according to the first aspect, wherein the bag is formed in a self-supporting form.
[0010]
The form having the self-supporting property is not particularly limited, and any form can be used as long as the self-supporting property can be imparted to the bag.ス タ ン As a form that can give typical independence, there is a standing pouch form, which is formed by inserting the bottom part of the bag between the lower part of the laminated film on both side walls and folding the bottom film inward. A bottom film cutout, such as a spot shape, is provided near the lower ends of both sides of the bottom film that is formed in the gusset form, and the inside of the gusset is concave with a curved line from the inside to the center. It is formed by heat sealing with a sealing pattern such as a ship bottom shape.
[0011]
By forming the bottom part of the bag in this way, when the contents are filled, the bottom part of the bag spreads widely in the front and rear, a bottom surface that is nearly flat is formed, and a leg part by a heat seal part is formed on the outer periphery of the bottom part. Since it is formed, excellent self-supporting property can be imparted to the bag. Accordingly, when providing the bag with self-supporting properties, it is particularly preferable to form the bag in a standing pouch format.
[0012]
By adopting such a configuration, in addition to the function and effect of the invention described in claim 1, since the bag is provided with self-supporting properties, handling is facilitated, and the contents are measured with a measuring spoon. In addition, the scraping operation can be performed more easily. In addition, a bag with a slicing bar that can be packaged compactly for its capacity and has an excellent appearance can be provided.
[0013]
According to a third aspect of the present invention, the outer edge of the bag, to which the chuck tape of the bag is thermally bonded, is sealed by a heat seal portion, and a bag opening means is provided between the heat seal portion and the chuck tape. It consists of a bag with a slicing bar according to claim 1 or 2.
[0014]
The bag opening means may be an opening instruction line such as a tear line displayed by printing or an opening instruction mark, and may be an easy opening means such as the following that facilitates the actual opening operation by tearing. There may be. Further, a plurality of these may be provided in appropriate combination.
[0015]
Examples of the easy-opening means include, for example, a method of providing a notch that is widely used even in a normal laminated film bag, a method of providing a half-cut line by laser light irradiation, or an intermediate layer of a laminated film of a bag, etc. (In this case, the uniaxially stretched film is used so that the stretched direction thereof coincides with the opening direction of the bag). These may be used alone, for example, And a half-cut line, or a laminate of uniaxially stretched films can be used in combination.
[0016]
As the notch, a notch such as a letter shape or a V shape is usually used, but the shape is not particularly limited, and any shape having an acute angle portion in the cutting direction can be used.
Moreover, when providing a half cut line, it is not limited to a straight half cut line, and may be provided by an intermittent half cut line such as a perforation.
Furthermore, the number of such half-cut lines may be one, but assuming that the tearing direction is deviated, a plurality of half-cut lines such as one or two on each side of the center half-cut line. Can be provided in a shape that converges to a parallel or central half-cut line.
[0017]
By adopting the configuration as described above, in addition to the effects of the invention described in claim 1 or 2, the outer edge portion of the zipper tape of the bag is sealed by the heat seal portion. Even if the zipper of the zipper tape that is filled with items is accidentally disengaged in the distribution stage, the bag is safely sealed without dissipating the contents to the outside. When using the filled contents, the heat seal part can be more easily cut off at the correct position (outside of the chuck tape) to open the bag, and then the contents of the chuck tape are disengaged to release the contents. Weighing and taking-out can be performed with a chopping bar.
[0018]
The invention described in claim 4 is the bag with a scraping bar according to any one of claims 1 to 3, wherein the scraping bar is made of polyethylene or polypropylene.
[0019]
In the present invention, the scraping bar to be joined to the inner surface of the bag is used repeatedly. At first, it is joined to the inner surface of the bag in a folded state, and when used, it is opened linearly to form a scraping bar. It is preferable that the flat part can be folded again later, and for that purpose, it is preferable that the folding part has hinge suitability together with the scraping function, and when the inner part of the bag is joined, the sealant of the laminated film of the bag is used. It is preferable that it can be thermally bonded to the layer. Further, when the content is food such as powdered milk, it is necessary that there is no problem in terms of food hygiene.
Accordingly, the material of the scraping bar is not particularly limited, but polyethylene or polypropylene is preferable, and the sheet-like or plate-like body is used, and a folding line or a thin-walled portion is provided at the folding portion so as to be foldable. A cutting bar can be formed.
[0020]
By adopting such a configuration, in addition to the function and effect of the invention described in any one of claims 1 to 3, the scraping bar can be easily thermally bonded to the inner surface of the bag and has a satisfactory scraping function. In addition, it has folding suitability and hinge suitability, and can be safe in terms of food hygiene.
[0021]
DETAILED DESCRIPTION OF THE INVENTION
Below, the material used for the bag with a scraping bar of the present invention, that is, the laminated film of the bag, the chuck tape, and the scraping bar will be described.
First, the laminated film used for the pouch with a scraped bar of the present invention is mainly a laminated film mainly made of plastic, but is not particularly limited, and adopts various configurations depending on the contents to be filled. Can do.
In a simple configuration, it can be configured by laminating a sealant layer on the base film layer, but depending on the required performance, water vapor and other layers can be used as an intermediate layer between the base film layer and the sealant layer. The gas barrier layer, the light shielding layer, the strength improving layer, and the like can be laminated. In addition, in order to facilitate tearing in a certain direction when opening the bag, the intermediate layer is laminated with a uniaxially stretched polypropylene film, a uniaxially stretched high-density polyethylene film, or the like so that the stretch direction matches the opening direction of the bag. Can also be used.
Moreover, although the said base film layer, an intermediate | middle layer, and a sealant layer may form each with a single layer, you may laminate | stack and laminate | stack a some layer.
[0022]
In addition to the biaxially stretched polypropylene film, the base film layer includes a biaxially stretched polyester film such as a biaxially stretched polyethylene terephthalate film and a biaxially stretched polyethylene naphthalate film, nylon 6, nylon 66, MXD6 (polymetaxylylene). A biaxially stretched polyamide film such as adipamide can be suitably used, but various engineering plastic films can also be used as necessary.
These may be used singly or may be used by combining a plurality.
[0023]
In the case where the intermediate layer is a gas barrier layer, the intermediate layer includes a film of saponified ethylene / vinyl acetate copolymer (EVOH), polyvinylidene chloride (PVDC), polyacrylonitrile (PAN), aluminum foil, or , Biaxially stretched nylon film (ON film), biaxially stretched polyethylene terephthalate film (PET film), biaxially stretched polypropylene film (OPP film), etc. provided with vapor deposition layers such as silica, alumina, aluminum, and PVDC coating layers Can be used.
Among these, since the film provided with the aluminum foil or the aluminum vapor deposition layer is opaque, it can also serve as a light shielding layer.
Moreover, when making an intermediate | middle layer into a strength improvement layer, the said base film may be additionally laminated | stacked suitably, and a biaxial stretching high density polyethylene film etc. can also be laminated | stacked also as a moisture-proof layer.
A known dry lamination method or extrusion lamination method (sandwich lamination method) can be used for laminating the base film layer and the intermediate layer.
[0024]
The innermost sealant layer includes low-density polyethylene (LDPE) and linear low-density polyethylene (L / LDPE), as well as ethylene / α-olefin copolymers, ethylene / vinyl acetate copolymers, and ethylene / acrylic acid copolymers. A polymer, an ethylene / acrylic acid ester copolymer, polypropylene or a copolymer thereof can be used.
For the lamination of the sealant layer, the above resin may be formed into a film and laminated by a dry lamination method or an extrusion lamination method, or the above resin may be laminated by extrusion coating.
[0025]
Next, the chuck tape used in the present invention will be described with reference to FIG.
FIG. 3 is a schematic enlarged cross-sectional view for explaining the configuration of the chuck tape attached to the bag with a scraping bar of the present invention.
The chuck tape 50 shown in FIG. 3 is shown in a state where it is thermally bonded to the inner surfaces of the laminated films 1 and 1 ′ on both sides of the mouth of the bag and the fitting is dissociated.
That is, the chuck tape 50 has a protruding striped tape body 8 having a male fitting portion 10 thermally bonded to the inner surface of one laminated film 1 by the tape body portion, and the other laminated layer so as to face this. It is comprised with the tape body 9 with a concave strip which has the female type fitting part 11 thermally bonded to the inner surface of film 1 '.
[0026]
Such opening and closing of the chuck tape 50, that is, fitting and disengagement, is performed by pressing the both from the outside so that the male fitting portion 10 is fitted into the female fitting portion 11 and fitted. The dissociation is performed in such a manner that the male fitting portion 10 is detached from the female fitting portion 11 by picking the upper portions of the laminated films 1 and 1 ′ and pulling them apart on both sides.
Such a chuck tape 50 is usually produced by extruding a polyethylene copolymer, a polypropylene copolymer, etc. in addition to low density polyethylene, linear low density polyethylene, medium density polyethylene, and polypropylene.
Further, the chuck tape 50 may be formed of a single resin, but the fitting portion side and the tape body side are subjected to multilayer extrusion molding with different resins, so that the fitting suitability and the heat bonding suitability to the laminated film are improved. It can also be improved.
[0027]
Next, the scraping bar used in the present invention will be described with reference to FIG.
FIG. 4 is an enlarged plan view illustrating a configuration of an example of a scraping bar attached to the bag with a scraping bar of the present invention.
The cut-off bar 60 shown in FIG. 4 is formed of a sheet-like or plate-like body having appropriate rigidity, has a cut-off bar forming portion 22 at the center, and has folding lines 24b or 24c on both sides thereof. The joints 21 and 21 are connected to each other, and a fixing portion 25 is connected to the upper portion of the center portion of the cut-off bar forming portion 22 via a fold line 24d. Further, the cut-off bar forming portion 22 is provided. A vertical fold line 24a is provided at the center of the fixed portion 25 so as to divide the scraping bar 60 into two equal parts.
The bending lines 24a, 24b, 24c, and 24d may be formed by press molding like a stamped rule, or may be formed by providing a thin portion in a linear shape.
[0028]
As described above, when such a scraping bar 60 is formed of a sheet-like or plate-like body such as polyethylene or polypropylene, it is half-folded along a vertical fold line 24a and is shown by a broken line in FIG. As described above, the bag is inserted into a predetermined position (position of the scraping bar 60) inside the chuck tape 50 on the inner surface of the bag mouth portion (lower side in the figure), and the laminated film (sealant layer) of the bag is joined at the joint portions 21 and 21. ) And heat bonding.
[0029]
As shown in FIG. 2, when the cut-off bar 60 joined to the inner surface of the mouth portion of the bag is opened, the folded-off bar forming portion 22 opens linearly by opening the bag. By bending the fixing part 25 provided at the upper part of the center part to one side by a fold line 24d, the cut-off bar forming part 22 is fixed in a straight line, and using the cut-off line 23 at the lower end, The scooped contents can be weighed as if they were scraped.
After the measurement is completed, by returning the bent fixing portion 25 to its original position (standing up), the vertical folding line 24a can be folded again and folded flat.
[0030]
【Example】
Hereinafter, the present invention will be described more specifically with reference to the drawings. However, the present invention is not limited to the following drawings.
FIG. 1 is a plan view showing the configuration of an embodiment of a bag with a cut bar according to the present invention, and FIG. 2 is a perspective view for explaining the shape of the bag with a cut bar shown in FIG. is there.
[0031]
1 is inserted into the bottom film folded portion 5 by folding the bottom film inward between the lower portions of the laminated films 1 and 1 'on the wall surfaces on both sides. A spot-shaped bottom film notch (not shown) is provided near the bottom of both sides of the bottom film that is formed inward and folded inside, and the inside of the gusset is centered from both sides. Heat-sealed with a bottom-shaped bottom seal part 4 that is concave in a curved line over the part to form the bottom, heat-sealing both side edge portions of the trunk with side seal parts 2 and 2, The chuck tape 50 is attached by heat bonding to the inner surface near the upper part, which becomes the mouth of the bag 100, and the slidable bar 60 is folded on the inner surface (lower side in the figure). ), And is formed by providing cut lines 6 and notches 7 and 7 at both ends between the upper seal portion 3 and the chuck tape 50 to be heat sealed after filling the contents. is there.
The cut line 6 may be only a cut instruction line by printing or the like, but it is more preferable to use an easy-opening means such as a half cut line by laser light irradiation or a lamination of uniaxially stretched films.
[0032]
By adopting such a configuration, the filling of the contents can be easily filled from the upper opening by dissociating the fitting of the chuck tape 50 and opening the unsealed upper seal 3. After filling, the chuck tape 50 can be fitted, and the upper seal portion 3 can be heat sealed to be sealed.
The sack bar bag 100 filled with the contents is self-supporting and easy to handle, and at the same time can be packaged compactly for its capacity, and has an excellent appearance.
[0033]
When the filled contents are taken out, the upper seal portion 3 can be easily cut along the cut line 6 using the notch 7, and the outside of the chuck tape 50 can be opened. 50 becomes a state which can be opened and closed.
Next, by disengaging the fitting of the chuck tape 50 and opening the upper part of the bag 100, simultaneously with the opening, the scraping bar 60 joined to the inside of the chuck tape 50 is linearly formed as shown in FIG. Since it opens, as described above, by bending the fixing portion 25 in the lateral direction, the slide bar 60 opened in a straight line can be fixed as it is, and the portion of the cut line 23 at the lower end thereof can be fixed. Can be used as
[0034]
Therefore, the contents filled in the bag 100 can be easily weighed by scooping up with a measuring spoon and scraping off the excess contents with a scraping bar. At this time, since the bag 100 is self-supporting, the weighing operation by scraping can be performed more easily.
After the content is weighed and taken out by a desired amount, the scraping bar 60 can be folded. Therefore, by returning the fixing part 25, the scraping bar 60 is half-folded to the original state. By folding and then fitting the chuck tape 50, the contents can be safely stored until next use.
In addition, even after the contents are completely used up, the empty container is not bulky and can be easily disposed of, and the manufacturing cost can be reduced as compared with the conventional shape-retaining container.
[0035]
【The invention's effect】
As described above in detail, according to the present invention, contents such as powder, granules, and granules can be safely sealed and packaged, and when the contents are used, they can be easily measured with a measuring spoon or the like. The contents can be weighed well, their usability and appearance are good, the empty container after using the contents is not bulky, easy to dispose of, and economical There is an effect that it is possible to provide a bag with good productivity.
[Brief description of the drawings]
FIG. 1 is a plan view showing a configuration of an embodiment of a bag with a cut bar according to the present invention.
FIG. 2 is a perspective view for explaining the shape of the bag with a slide bar shown in FIG. 1 when in use.
FIG. 3 is a schematic enlarged cross-sectional view illustrating a configuration of a chuck tape attached to a bag with a scraping bar of the present invention.
FIG. 4 is an enlarged plan view illustrating a configuration of an example of a scraping bar attached to a bag with a scraping bar of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1, 1 'laminated film 2 Side part seal part 3 Upper part seal part 4 Bottom part seal part 5 Bottom film folding | turning part 6 Cut line 7 Notch 8 Tape body with a convex strip 9 Tape body with a concave strip 10 Male fitting part 11 Female type Fitting part 21 Joining part 22 Sliding bar forming part 23 Sliding lines 24a, 24b, 24c, 24d Folding line 25 Fixing part 50 Chuck tape 60 Sliding bar 100 Bag with scraping bar

Claims (4)

A bag for hermetically wrapping powdered or granular contents, wherein a zipper tape that can be opened and closed is thermally bonded to the inner surface in the vicinity of the mouth of the bag, and a folding bar that can be folded on the inner surface of the bag. The sliding bar is joined in a folded state, and when the bag is opened, the sliding bar opens linearly to form a sliding bar, which allows the content to be scraped and measured with a measuring spoon. A bag with a cutting bar. The bag with a slide bar according to claim 1, wherein the bag is formed in a form having self-supporting properties. The outer edge portion of the bag, to which the chuck tape of the bag is thermally bonded, is sealed by a heat seal portion, and a bag opening means is provided between the heat seal portion and the chuck tape. Item 3. A bag with a scraping bar according to item 1 or 2. The bag with a scraping bar according to any one of claims 1 to 3, wherein the scraping bar is made of polyethylene or polypropylene.

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