JPH10258841A - Disposable box-like container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a disposable box-like container which does not require shrink packaging nor tape sealing but requires only moving up and down the cover plate to take out the contents and in which a taking-out tool such as a measuring cup is attached to the inside face of the cover plate to increase the usability, and the folding motion on disposing it is facilitated to ease the disposal. SOLUTION: A fitting recessed step 3 is formed at the inner periphery of the opening 2 of a freely collapsible container box body 1 and a synthetic resin opening frame 4 is fitted to the fitting recessed step 3. A thin hinge 5 appropriately folding up a part thereof is formed at the opening frame. And a measuring cup, a measuring spoon, and other taking-out tools 8 are detachably attached to the inside of a part of the folding-up side. And further, the opening 2 is covered with a thin seal flap 6 for opening together with the opening frame 4. And the peripheral edge of the seal flap 6 is peelably stuck on the edge 7 of opening 2 and the opening frame 4 by welding with heat, adhesion, or other sticking means.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disposable box-shaped container for accommodating a powdered detergent or the like.

[0002]

2. Description of the Related Art In general, a container of this kind made of synthetic resin or paper has a box-shaped or bucket-shaped container body whose entire upper surface is opened as a mouth, and a cover is detachably fitted thereto.
When removing the contents, the cover is removed, and the contents are scooped out using a prepared measuring cup or measuring spoon.

[0003]

However, this conventional container has the following problems. After the contents are accommodated and the cover is fitted, it is necessary to shrink-wrap the whole or to seal the space between the container body and the cover with tape. It is inconvenient to remove the cover every time the contents are taken out. Since it is necessary to prepare a measuring cup and a measuring spoon separately, it is not convenient to take out. Although a measuring cup or measuring spoon can be inserted over the contents, simply inserting it may sneak into the contents at the time of transportation, etc. Must be partitioned. It can also be attached to the outside of the container, but that would be very disturbing. It is not easy to fold at the time of disposal, which is inconvenient for disposal. The present invention seeks to solve these problems.

[0004]

In order to achieve the above object, according to the first aspect of the present invention, a fitting concave step portion 3 is formed on the inner periphery of a mouth portion 2 of a foldable box-shaped container main body 1. A synthetic resin mouth frame 4 is fitted into the fitting recessed step portion, and a thin hinge 5 is formed in the mouth frame so that a part of the thin hinge 5 is folded upward.
A measuring cup, a measuring spoon, and other removal tools 8 are removably attached to the inside of the part that is folded upward, and the mouth portion 2 including the mouth frame 4 is a thin seal for closing. 6 and cover the periphery of the sealing piece with its mouth 2
Characterized by being detachably adhered to the rim 7 and the mouth frame 4 by heat welding, bonding, or other attaching means.

According to a second aspect of the present invention, there is provided the disposable box-shaped container according to the first aspect, wherein a binding ring 9 for disposal is detachable inside the other part of the side of the mouth frame 4 which is not folded up. It is attached to

[0006] The invention of claim 3 is claim 1 or claim 2.
Disposable box-shaped container, and the bottom 10 of the container body 1
In the shape of an inverted ship bottom.

According to a fourth aspect of the present invention, there is provided the disposable box-shaped container according to the first, second or third aspect, wherein a crosspiece 11 is provided near the thin hinge 5 of the mouth frame 4 and the crosspiece 11 is provided. Also, the above-mentioned thin seal piece 6 is bonded by heat welding, bonding, or other bonding means.

[0008] The invention of claim 5 is based on claim 1, claim 2,
The closed disposable box-shaped container according to claim 3 or 4, wherein the closed end is engaged with an outer surface of an end portion of the side of the mouth frame 4 that is folded upward and a corresponding portion of the mouth portion 2 of the container body 1. The cover locking means 12 is provided.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION

1. FIG. 1 to FIG. 4 show an embodiment according to the first to third and fifth aspects of the present invention. In the illustrated embodiment, a fitting concave step 3 is formed on the inner periphery of a mouth 2 of a foldable box-shaped synthetic resin container body 1, and a synthetic resin mouth frame 4 is provided in the fitting concave step. A thin hinge 5 is formed in the mouth frame so that a part thereof is folded upward in a proper position, and a measuring cup serving as an unloading tool 8 is provided inside a part of the mouth frame 4 which is folded upward. In addition, a binding ring 9 at the time of disposal is integrally provided inside the other part of the non-folding side via a thin-walled fragment 13 so as to be integrally detachable, and the upper side of the mouth frame 4 is provided. And closing means 12 for mutually engaging the outer surface of the end to be folded up and the corresponding portion of the mouth portion 2 of the container body 1 with each other. Further, the mouth portion 2 including the mouth frame 4 is used for closing. And the peripheral edge of the seal piece can be peeled off to the lip 7 and the rim 4 of the mouth part 2 by means of heat welding and sticking. It is stuck on Noh.

The container body 1 is formed, for example, by molding a sheet of polypropylene resin into a thin wall having a thickness of about 0.3 mm, and a lip 7 connected to the fitting concave step 3 is formed as a horizontal outward flange. 10 is formed in the shape of an inverted ship bottom to facilitate folding. In addition, the capacity of the container main body 1 is appropriate, such as containing 1 kg. Further, the material of the container body 1 may be made of paper having an appropriate thickness. The mouth frame 4 is formed in an inverted L-shaped cross section corresponding to the fitting concave stepped portion 3.
The mouth frame 4, the measuring cup as the take-out device 8, and the bundling ring 9 are formed inside and outside of a thickness of 1 mm by, for example, injection molding of a polypropylene resin, and are integrally formed including the thin-walled fragments 13. Note that the unloading tool 8 may be a measuring spoon. A crosspiece may be integrally provided on the mouth frame 4 near the thin hinge 5. The sealing piece 6 is formed of, for example, a thin sheet of polypropylene resin, and its peripheral edge is basically adapted to the opening 7 of the opening 2. I do. Further, on the inner surface, a heat-sealing material is made to correspond to the rim 7 and the mouth frame 4 of the mouth portion 2 at the peripheral edge portion (and also to the bar if the mouth frame has a bar). Apply. Note that a so-called aluminum seal or paper seal may be used for the seal piece 6. Lid closing means 12
Is formed by forming an engaging projection 15 at the center of the outer surface of the end of the mouth frame 4 and an engaging recess 16 inside the corresponding mouth 2 so as to engage with each other in a closed state. Obtain a lid lock.

When storing the contents, first, the contents are filled in the container body 1 alone, and then the mouth frame 4 is fitted into the fitting concave step portion 3 of the mouth portion 2 and the sealing piece 6 is overlapped. By pressing while heating, the peripheral portion is heat-welded releasably to the lip 7 and the rim 4 (and also to the rifle if the rim has a bar). If the mouth frame 4 and the fitting concave step 3 are not joined, it is also possible to take a sticking means such as adhesion, ultrasonic welding or the like.

In this state, the product is distributed to the market as a product. When the user takes out the contents, the user first grasps the grip 14 of the sealing piece 6 and pulls it upward. As a result, the thin hinge 5 can be moved from the vicinity of the knob.
Welding between the edge 7 of the container body opening 2 and the edge of the sealing piece 6 up to the vicinity is peeled off, and a part of the sealing piece 6 and a part of the mouth frame 4 become the lid plate 21 and center on the thin hinge 5. Then, the cover is turned upward to open (see FIG. 1). In this state, since the measuring cup as the unloading tool 8 is exposed on the inner surface of the lid plate 21, the thin-walled fragment 13 is broken off and removed, and then the proper amount of the content may be scooped out with the measuring cup. (FIG. 1). Thereafter, the lid plate 21 is closed, and together with this, the lid locking means
12 operates, and the lid plate 21 is held in the closed lid locked state. When the contents are used up, the container will be discarded,
At this time, the sealing piece 6 is pulled more strongly upward to peel off the remaining welding between the lip 7 of the container body opening 2 and the sealing piece 6, and the binding ring 9 is thinned from the mouth frame 4. Fragment 13
Then, the other than the bundling ring 9 is put together and folded, and the bundling ring 9 is fitted to the bundling unit to be tied into a small bundle of waste, which is discarded.

FIG. 5 to FIG. 7 show embodiments according to the first, fourth and fifth aspects of the present invention.
In the illustrated embodiment, a fitting concave step 3 is formed on the inner periphery of a mouth 2 of a foldable box-shaped synthetic resin container body 1, and a synthetic resin mouth frame 4 is provided in the fitting concave step. The spout is fitted with a thin hinge 5 which is partially folded upward in a proper position, and a measuring spoon serving as an unloading tool 8 is provided inside a part of the mouth frame 4 which is folded upward. Are detachably attached to each other via a thin-walled fragment 13 and are engaged with each other at an appropriate position of an end outer surface of the side of the mouth frame 4 which is to be folded upward and a mouth portion 2 of the container body 1. The mouth 2 is covered with a thin sealing piece 6 for closing, including the mouth frame 4, and the peripheral edge of the sealing piece is covered with the mouth 2.
To the opening edge 7 and the opening 4 by heat welding and sticking means.

The container body 1 is formed, for example, into a thin sheet having a thickness of 0.3 mm inside and outside by forming a sheet of polypropylene resin, and the rim 7 connected to the fitting concave step 3 is formed into an outward flange having an inverted L-shaped cross section. The bottom 10 is formed flat. In addition, the capacity of the container main body 1 is appropriate, such as containing 1 kg. Further, the material of the container body 1 may be made of paper having an appropriate thickness. The mouth frame 4 is formed to have an inverted L-shaped cross section corresponding to the fitting concave step portion 3, and a crosspiece 17 is integrally provided near the thin hinge 5. In addition, the mouth frame 4, the crosspiece 17,
The measuring spoon serving as the take-out device 8 is formed to have a thickness of 1 mm inside and outside by, for example, injection molding of a polypropylene resin, and is integrally molded including the thin-wall fragment 13. Note that the unloading tool 8 may be a measuring cup. The sealing piece 6 is formed of, for example, a thin sheet of polypropylene resin, and its peripheral edge is adapted to the top of the edge 7 of the opening 2. In addition, on the inner surface, the peripheral edge corresponds to the top 7 of the lip 7 of the mouth 2 and the rim 4,
In addition, a heat-sealing material is applied corresponding to the bar 17 at the intermediate portion. Note that a so-called aluminum seal or paper seal may be used for the seal piece 6. The lid closing means 12 is
A knob 18 is protrudingly provided at the center of the outer surface of the end of the mouth frame 4 to serve also as an engaging projection, and a groove 19 in which the knob 18 is inserted is formed in the mouth 2 correspondingly. Engagement projections 20 are protrudingly provided on both side edges of the concave groove, and the knobs 18 are engaged with the engagement projections 20 in a state of closing the lid so that the lid is locked.

In storing the contents, first, the container body 1 is filled with the contents, then the mouth frame 4 is fitted into the fitting concave step 3 of the mouth 2 and the sealing piece 6 is overlaid. By pressing while heating, the peripheral portion is heat-welded to the top of the lip 7, the rim 4, and the rail 17 of the rim so as to be peelable as appropriate. In addition,
If the mouth frame 4 and the fitting concave step 3 are not joined, an attaching means such as adhesion, ultrasonic welding or the like can be employed.

In this state, the contents are distributed to the market. When the contents are taken out by the consumer, first, the user pulls the knob 18 of the mouth frame 4 and pulls it upward. As a result, the welding between the top of the lip 7 of the container body mouth 2 and the rim of the seal piece 6 from the vicinity of the knob to the vicinity of the thin hinge 5 is peeled off, and a part of the seal piece 6 and a part of the mouth frame 4 are separated. Is turned upward about the thin hinge 5 as a lid plate 21 to open the lid (see FIG. 5). In this state, since the measuring spoon serving as the removing tool 8 is exposed on the inner surface of the lid plate 21, the thin-walled broken piece 13 is broken and removed, and then the appropriate amount of the content may be scooped out with the measuring spoon. (FIG. 5). After that, the lid plate 21 is closed, and the lid closing means 12 works together with this, and the lid plate 21 is held in the closed lid locked state.
When the contents are used up, fold them all together,
If necessary, bind it with a string and discard it.

In this case, the container does not have the binding ring as described in the item 1 and the bottom portion 10 of the container body 1 is not formed in the inverted ship bottom shape.

[0018]

According to the first to fifth aspects of the present invention,
The following effects are achieved by the configuration described above. Neither shrink wrapping nor sealing with tape is required at all. There is no need to remove the lid every time you take out the contents,
This is convenient because the cover plate 21 simply needs to be opened and closed and rotated. Remove the removal tool 8 such as a measuring cup or a measuring spoon
Can be equipped on the inner surface, so that there is no need to prepare it separately, and the convenience of taking out is high. Of course, the removal tool 8 does not sneak into the contents, does not require a section for preventing descent by a sheet or the like, does not need to be attached to the outside of the container, and does not interfere. It is easy to fold at the time of disposal and convenient for disposal. The structure and production can be simplified and provided at a low cost.

In addition, according to the invention of claim 2, the mouth frame 4
Since the binding ring 9 for disposal is detachably attached inside the other part of the non-folding side of the container, the entire container is folded down by the removed binding ring 9 for disposal. Can be united, which is very convenient for disposal.

According to the third aspect of the present invention, since the bottom portion 10 of the container main body 1 is formed in an inverted ship bottom shape, the container main body 1 can be easily folded and is convenient.

According to the fourth aspect of the present invention, a bar 11 is provided near the thin hinge 5 of the mouth frame 4 and a thin sealing piece 6 is attached to the bar by heat welding, bonding, or other bonding means. Since the cover plate 21 is worn, it is possible to bend the seal piece 6 appropriately at a key point in the opening and closing rotation of the cover plate 21, so that the cover plate 21 can be easily opened and closed and the mouth frame 4 can be reinforced.

According to the fifth aspect of the present invention, the lid locking means 12 for mutually engaging the outer surface of the end portion on the side of folding up the mouth frame 4 and the corresponding portion of the mouth portion 2 of the container body 1 is provided. Since this is taken, the closed state of the lid plate 21 can be maintained and secured, which is extremely convenient in use.

[Brief description of the drawings]

FIG. 1 is a perspective view of a state in which contents are taken out according to Embodiment 1 of the present invention.

FIG. 2 is an enlarged cross-sectional view taken along line AA of FIG.

FIG. 3 is an exploded perspective view of the embodiment.

FIG. 4 is a perspective view showing a folded state at the time of disposal in the embodiment.

FIG. 5 is a perspective view of a state in which contents are taken out according to Embodiment 2 of the present invention.

FIG. 6 is an enlarged sectional view taken along line BB of FIG. 5;

FIG. 7 is an exploded perspective view of the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Container main body 2 ... Mouth 3 ... Fitting concave stepped part 4 ... Mouth frame 5 ... Thin hinge 6 ... Sealing piece 7 ... Mouth rim 8 ... Removal tool 9 ... Binding ring 10 ... Bottom 11 ... Bar 12 ... Closed lid Locking means 13: Thin-walled fragment 14 ... Knob 15 ... Engagement protrusion 16 ... Engagement recess 17 ... Bar 18 ... Knob 19 ... Depression groove 20 ... Engagement protrusion 21 ... Lid plate

Claims (5)

[Claims] 1. A foldable box-shaped container main body 1 has a fitting recessed step 3 formed on the inner periphery of a mouth 2 thereof, and a synthetic resin mouth frame 4 is fitted into the fitting recessed step. In the mouth frame, a thin hinge 5 for folding a part upward is formed in a proper position, and a measuring cup, a measuring spoon, and other take-out tools 8 are removed inside the part on the side to be folded upward. The mouth 2 is covered with a thin sealing piece 6 for closing, including the mouth frame 4, and the peripheral edge of the sealing piece is covered with the mouth 2.
A disposable box-shaped container which is detachably adhered to the rim 7 and the rim 4 by heat welding, adhesion, or other attaching means. 2. The disposable box-shaped container according to claim 1, wherein a binding ring 9 for disposal is detachably provided inside the other part of the mouth frame 4 which is not folded up. 3. The disposable box-shaped container according to claim 1, wherein the bottom portion 10 of the container main body 1 is formed in an inverted ship bottom shape. 4. A bar 11 is provided near the thin hinge 5 of the mouth frame 4, and the thin seal piece 6 is attached to the bar by heat welding, bonding, or other bonding means. 1,
The disposable box-shaped container according to claim 2 or 3. 5. A lid locking means 12 for mutually engaging an outer surface of an end portion of the side of the mouth frame 4 which is folded upward and a corresponding place of the mouth portion 2 of the container body 1. , Claim 2,
The disposable box-shaped container according to claim 3 or 4.