JPH11193027A - Container with discharging hole - Google Patents

Abstract

PROBLEM TO BE SOLVED: To determine freely and easily the size of a hole and the number of holes according to the discharging state of contents and prevent permeation of the contents through a container before a lid is unsealed and damage of the container during the unsealing, by making a discharging hole into a thin inside sheet member covering an opening or into inside and outside sheet members. SOLUTION: An opening part is made in the inclined face of the upper part of a gable top container produced from a base material B, and an inside sheet member 5 with a discharging hole 6, consisting of a group of a large number of small holes, made through it is welded to the internal face of the opening part. And an inside sheet member 7, annular body, having a hole 8 smaller than the opening part is welded to the side face of the peripheral edge of the opening part and to the surface of the inside sheet member 5 and, further, a lid 3 is welded to the peripheral edge of an outside sheet member 7 so as to be freely peelable. Because the end face of the opening of the container is protected with the inside and outside sheet members 5 and 7, respectively, contents are prevented from permeating through the container. Also, even when the lid 3 is unsealed, the vicinity of the discharging hole 6 is not damaged because the lid 3 is not welded to the part having the discharging hole 6.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a container mainly made of paper, and stores contents such as liquids, powders, granules and the like with foods and agricultural chemicals, and easily discharges the contents. The present invention relates to a paper container which is capable of preventing damage to the container itself at the time of storing and pouring out the contents, and thus sufficiently protecting the contents.

[0002]

2. Description of the Related Art As a container mainly composed of paper having excellent airtightness, a so-called Gebel-top type paper container and a rectangular parallelepiped paper container have been widely known. In addition, as the pouring structure and lid structure of these paper containers, a pouring hole is provided in the container body,
It is known that this hole is covered with a sheet-like lid and sealed. For example, there is JP-A-5-162749.

[0003]

In the above-mentioned conventional container,
Since the spout hole is provided directly in the container, the base material of the container is thick, so that the size and the number of spout holes to be provided are limited in manufacturing. In particular, when a large number of small holes are provided as a group, the gap between the holes must be provided at least to some extent, and it has been difficult to form a dense small hole group.

In the sealed state before opening, the spout hole is sealed with the lid only from the outer surface of the container. Therefore, when the contents are particularly liquid, the contents penetrate from the end of the spout hole. To swell the container, reducing the rigidity of the container,
There has been a possibility that a problem such as leakage of contents may occur due to poor adhesion to the lid. In addition, since the lid and the periphery of the spouting hole are directly welded at the time of opening, the periphery of the spouting hole is peeled off by the lid due to the opening operation, and the appearance is damaged, and depending on the degree, the shape of the spouting hole is also deformed. In some cases, the expected form of dispensing may be impaired. In particular, when the pouring holes are formed as small holes, there is a possibility that the connecting portion between the holes is cut to deform the pouring holes into a large pouring hole.

The present invention has been made to solve the problem of the above-mentioned conventional container, and presents a container with a discharge hole through which the contents can be well poured out. An object of the present invention is to provide a container with a pouring hole that keeps a completely sealed state without the contents penetrating into the container in the state.

[0006]

According to the present invention, a container mainly made of paper and having an opening is provided on the inner and outer surfaces of the outer peripheral edge of the opening.
An inner and outer sheet member covering the opening is welded, and the inner and outer sheet members are welded to each other via the opening to form a pouring member covering the opening end surface, and One or more pouring holes are bored inside, and a lid is detachably welded to the outer peripheral edge of the outer sheet member of the pouring portion, and the lid and the peripheral portion of the pouring hole are not welded. It is a container with a pouring hole characterized by these.

According to the present invention, one of the inner and outer sheet members of the pouring member is an annular sheet member which covers the opening and has a smaller hole therein than the opening, and the other is located in the hole. The container with a spout hole according to claim 1, wherein one or more of the spout holes are formed in the inner and outer sheet members.

According to the present invention, there is provided the container with a pouring hole according to claim 1 or 2, wherein the lid has a sheet shape.

According to the present invention, there is provided a container with an ejection hole, wherein the lid comprises a tubular member having a flange at a lower portion, and a cap attached to an upper portion of the tubular member.

According to the present invention, there is provided an inner sheet member in which a welded layer of a resin of a different material and a base material layer are laminated on the inner surface of the outer peripheral edge of the opening of a container mainly made of paper and having an opening so as to be peelable between the layers. One or more pouring holes are drilled in a portion of the inner sheet member located in the opening, and a sheet-like lid is located in the opening of the inner sheet member. Wherein the welding strength is higher than the breaking strength of the welding layer of the inner sheet member and higher than the bonding strength between the welding layer and the base material layer.

According to the present invention, there is provided an inner sheet member which is formed mainly of paper and has a welded layer made of a different material and a base material layer laminated on the inner surface of the outer peripheral edge of the opening of a container having an opening so as to be peelable between the layers. Welding with the welding layer, straddling the outer peripheral edge outer surface of the opening and the inner sheet member surface, welding an annular outer sheet member having a hole larger than the opening and having a hole smaller than the opening inside. One or more pouring holes are formed in the inner sheet member located in the holes of the outer sheet member to cover the opening edge, and a sheet-like lid is formed on the outer peripheral surface of the outer sheet. To the portion of the inner sheet member located in the hole of the outer sheet member, the welding strength of the lid and the welding layer of the inner sheet member, the welding strength of the welding layer of the inner sheet member Stronger than breaking strength and stronger than adhesion strength between welding layer and substrate layer It welded to the inner and outer sheet members to cover the dispensing container opening with holes, characterized in that, and that is the note Deana container with the inner outer sheet members to each other.

[0012] The present invention is a container with a pouring hole, wherein the welded layer of the inner sheet member and the base material layer are laminated by co-extrusion.

[0013]

In the paper container of the present invention, since the spouting holes are provided in the inner sheet or the inner sheet member and the outer sheet member, the size and number of the holes can be freely and simply set according to the desired state of the contents to be spouted. be able to.

In the first form of the sealing form by the combination with the lid, the first form is such that the lid is welded to the outer sheet member and is not welded to the portion having the pouring hole. Although the contents can be moved between the inside of the container and the lid,
The inner and outer sheet members and the lid completely seal off and seal the outside, and the end face of the opening of the container is also covered and protected by the inner and outer sheet members, so that the contents do not penetrate into the container. In addition, even when the lid is opened, the lid is not welded to the portion having the spout hole, so the portion near the spout hole of the inner and outer sheet members is broken and becomes larger than a predetermined size of the spout hole. It won't.

[0015] Of the sealing forms by combination with the lid, the second form is that the lid is welded to the inner sheet member and the spout hole of the inner sheet member is completely shut off and sealed, so that the contents are closed. Does not come out of the inner sheet member, and the content does not permeate the container from the end face of the opening. In addition, when the lid is opened, only the welded layer of the welded portion of the inner sheet member with the lid is broken integrally with the lid and peels off from the base material layer, so that the ejection hole of the base material layer of the inner sheet member is removed. Express. At this time, the welding layer and the base material layer of the inner sheet member are laminated in a detachable state, and the force generated in the base material layer due to the separation of the welding layer is small. Is not broken and becomes larger than a predetermined size of the pouring hole.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail based on an embodiment shown in the drawings. FIG. 1 is a perspective view showing a completed state of the first embodiment. The entire structure of the container is a base material B mainly composed of paper.
Is a Goebel top type container 1 manufactured by the above-mentioned method. The lid 3 and the spout A are provided in the upper inclined surface 2. The lid 3 and the pouring structure will be described based on the enlarged sectional view shown in FIG.

The pouring section is provided with an opening 4 in the inclined surface 2 of the container 1. An inner sheet member 5 larger than the opening 4 is provided on the inner surface of the opening 4. The outer peripheral edge of the opening 4 is welded to the inner surface. A pouring hole 6 is provided inside the inner sheet member 5 and at a portion exposed in the opening 4.
In this embodiment, the pouring hole 6 is formed by a large number of discontinuous small hole groups.

An outer sheet member 7 is welded to the outer peripheral surface of the opening 4 and the inner sheet member. The outer sheet member 7 is an annular body having a size larger than the opening 4 and having a hole 8 smaller than the opening 4 inside. And
With the center of the hole 8 of the outer sheet member 7 and the center of the opening 4 being aligned, the outer edge of the outer sheet member is welded to the outer peripheral surface of the opening 4 and the opening of the outer sheet member 7 is opened. The portion extending from the portion 4 to the inside is pushed into the opening 4, and the inner edge near the hole 8 is welded to the surface of the inner sheet member 5. At this time, the end face of the opening 4 is covered and protected by the outer sheet member 7.

Here, in the above embodiment, the outer sheet member is an annular body, but in another embodiment, the inner sheet member may be an annular body. In this case, the outer sheet member is shaped to cover the opening, and the pouring hole is provided in the outer sheet.

The cover 3 is provided with the outer sheet member 7 in a welded state.
The outer sheet member 7 is welded to the surface of the welded portion with the outer peripheral surface of the opening 4 of the outer sheet member 7. The lid 3 is provided with the outer sheet member 7.
It is also possible to form a knob at the time of unsealing as a large shape below the shape corresponding to the outer shape of the package.

Next, a second embodiment of the present invention will be described based on an enlarged sectional view of the spout shown in FIG. In the second embodiment, the holes 8 of the outer sheet member 7 of the first embodiment are eliminated.
The outer sheet member 7 'is characterized. Then, the outer sheet member 7 'is welded to the outer peripheral surface of the opening 4 as in the first embodiment, and the entire interior is pushed into the opening 4,
It is welded to the inner sheet member 5. The pouring hole 6 'is provided to penetrate the welded inner and outer sheet members 5, 7'.

Here, the method of forming the pouring holes 6, 6 'and 16 will be described. The inner and outer sheet members can be provided in a state before welding the members to the container, but are provided more efficiently. In this case, the inner and outer sheet members can be pierced with a punching blade, a hot blade or the like in a state of being welded to the container.

The pouring structure of the present invention can be provided not only on the inclined surface of the Goebel top type container, but also on a folding inclined surface or on the side surface. Further, the structure of the container itself can be expanded to, for example, a rectangular parallelepiped container shown in FIG. 5 in addition to the Goebel top type container structure.
Even in this rectangular parallelepiped container, the pouring structure A can be provided on the side surface in addition to the upper surface.

As shown in FIG. 5, a well-known pouring member 3 also includes a cylindrical member having a flange at a lower portion, and a cap screwed or fitted on an upper outer surface of the cylindrical member. '
It can be. In this case, the lower flange of the pouring member is welded to the surface of the outer sheet member 7 which is welded to the outer peripheral surface of the opening 4. This structure is excellent in resealability when the contents are not used at one time.

The material composition of the base material B of the above embodiment will be described. The container is composed of polyethylene / paper / polyethylene / aluminum / polyethylene terephthalate / polyethylene, or polyethylene / paper / polyethylene / ( (Evaporation layer) Polyethylene terephthalate / polyethylene can be used. Here, a metal, a metal oxide, an inorganic substance, an inorganic oxide substance, or the like can be used as the vapor deposition layer provided on the polyethylene terephthalate surface.

The material composition of the outer sheet member may be polyethylene / polyester / polyethylene in order from the surface to the inner surface. The inner sheet member may have a configuration of polyethylene / polyester in order from the surface (the surface to be welded to the container) to the inner surface.

The structure of the sheet-like lid is polyethylene terephthalate / aluminum /
It can be a stretched nylon / polyethylene. The material configuration of the tubular member of the lid including the cap and the tubular member may be polyethylene.

Next, a second embodiment of the sealing mode in combination with the lid of the present invention will be described with reference to FIG. An opening 14 is provided in the container of the above-described various forms, an inner sheet member 15 having a size larger than the opening 14 is provided on an inner surface of the opening 14, a peripheral edge of the inner sheet member 15, and an outer peripheral edge of the opening 14. Weld to the inner surface. A pouring hole 16 is provided inside the inner sheet member 15 and at a portion exposed in the opening 14. In this embodiment, the pouring hole 16 is formed by a large number of discontinuous small holes. The pouring hole 16 can be formed in the same manner as in the above embodiment.

The inner sheet member 15 is provided in multiple layers of a welding layer 20 and a base material layer 21 in order from the surface (the side to be welded to the container). Further, the welding layer 20 and the base material layer 21 are formed of resins of different materials. Then, the laminated state of the welding layer 20 and the base material layer 21 is set to have an adhesive strength that can be peeled off. Also,
The base layer 21 can be a multilayer. This base material layer 21
It is preferable to provide a stretched film as a reinforcing layer in one layer. This is because the use of a material having a high breaking strength, such as a stretched film, is effective as a means for more reliably achieving the breakage of the base material layer 21 at the time of opening the later-described embodiment.

The lid 13 has a shape corresponding to the opening 14 or a large sheet. The cover 13 may be formed larger than a shape corresponding to the outer shape of the outer sheet member 7 to form a knob for opening. it can. The lid 13 may be provided in multiple layers of the base material layer 22 and the welding layer 23 in order from the surface, and the base material layer may be a multilayer.

The lid 13 is welded by the fusion layer 23 to the fusion layer 20 on the surface of the inner sheet member 15 exposed from the opening 14. At this time, the lid 13 and the inner sheet member 1
The welding strength between the welding layers 23 and 20 of No. 5 is set higher than the breaking strength of the welding layer 20 and higher than the bonding strength between the welding layer 20 of the inner sheet member 15 and the base material layer 21. Further, the welding position may be such that the pouring hole 16 is sealed by the lid 13. Further, as another configuration, it is also possible to leave only the outer periphery of the pouring hole 16 at a fixed interval and weld it to the inner sheet, so that the pouring hole 16 itself is not welded by the lid 13. .

In the sealed state of this embodiment, since the lid 13 is welded to the inner sheet member 15 and the outlet hole 16 of the inner sheet member 15 is completely closed and sealed, the contents are not sealed. 15 does not go outside, and the contents do not permeate the container from the end face of the opening 14.

Further, in the opening operation of this embodiment, when the lid 13 is opened, only the welding layer 20 at the portion of the inner sheet member 15 welded to the lid 13 is broken integrally with the lid and peeled off from the base material layer. Then, the pouring hole 16 of the base material layer 21 of the inner sheet member 15 is exposed. This is because the welding strength between the lid 13 and the welding layer of the inner sheet member 15 is set to be higher than the breaking strength of the welding layer 20 of the inner sheet member 15 and stronger than the bonding strength between the welding layer 20 and the base layer 21. Therefore, it can be performed reliably and satisfactorily.

In order to make the laminated state of the welding layer 20 and the base material layer 21 of the inner sheet member 15 in a peelable state required by the present invention, resins of different materials are manufactured by co-extrusion. Is preferred. When laminating with an adhesive, the adhesive is affected by the contents of the container, causing the adhesive strength to change and becoming stronger or weaker than the expected adhesive strength. May occur, and there is a problem that the adjustment is difficult. In contrast, co-extrusion is less susceptible to the effects of the contents, and the desired adhesive strength can be maintained.

The welding layer 20 of the inner sheet member 15 and the welding layer 23 of the lid 13 are preferably made of the same resin. With this configuration, the adhesive strength between the inner sheet member 15 and the lid is increased, and when the lid 13 is opened, the cut and peeling of the welded layer 20 of the inner sheet member 15 is ensured.

The base material B of the above-described embodiment is, similarly to the other embodiments, in order from the surface to the inner surface, polyethylene / paper / polyethylene / aluminum / polyethylene terephthalate /
A configuration of polyethylene or a configuration of polyethylene / paper / polyethylene / (deposited layer) polyethylene terephthalate / polyethylene can be used. Here, a metal, a metal oxide, an inorganic substance, an inorganic oxide substance, or the like can be used as the vapor deposition layer provided on the polyethylene terephthalate surface.

As the structure of the inner sheet member, polyethylene / polyvinylidene chloride / stretched polyethylene, polyethylene / polypropylene / stretched polyethylene, polyethylene / ethylene-vinyl alcohol copolymer / stretched in order from the surface (the surface to be welded to the container) to the inner surface. It can be polyethylene, polyethylene / drawn nylon / drawn polyethylene. In these configurations, the surface layer is a welding layer,
Two layers, an intermediate layer and an inner layer, become the base material layers. Here, among the base layers, the inner layer functions as a reinforcing layer for improving the strength of the base layer.

The sheet-like lid is composed of polyethylene terephthalate / aluminum /
It can be a stretched nylon / polyethylene. In this case, the polyethylene of the inner layer becomes the welding layer, and the other layers become the base layer.

According to the present invention, the structure of the inner sheet member 5 in the first embodiment may be replaced with the structure of the inner sheet member 15 in the embodiment of the second embodiment. At this time, the lid is welded to the surface of the portion of the inner sheet member located in the hole of the outer sheet member. The welding strength between the lid and the welded layer of the inner sheet is higher than the breaking strength of the welded layer 20 of the inner sheet member 15 and the strength of the welded layer 20 and the base material layer 21 is the same as in the second embodiment. Set stronger than the adhesive strength.

With this configuration, in the state before opening,
Since the lid directly closes the pouring hole firmly, the contents do not seep out of the pouring hole, and after the lid is opened, the contents are opened by the outer sheet member with the contents coming out of the pouring hole. The configuration has an extremely high function of preventing permeation from the end face. The specific configuration of each member can be the same as described above.

Here, the method of forming the pouring holes 6, 6 'and 16 will be described. The inner and outer sheet members can be provided in a state before being welded to the container, but they can be provided more efficiently. In this case, the inner and outer sheet members can be pierced with a punching blade, a hot blade or the like in a state of being welded to the container.

The contents to be stored in the present invention are not particularly limited, but when a liquid pesticide is stored as an example, it is preferable to form the pouring holes as a group of many small holes. With this configuration, holding the container by hand after opening the lid, tilting the container downward, with the pouring hole downward, free-falling the contents, or pressing the container by hand, or shaking the container vividly Liquid pesticides can be sprayed onto flower beds, fields and paddy fields in a shower. At this time, the liquid pesticide does not jump out in large quantities at once, but is poured little by little. In addition, by carrying the container in this state, it is possible to spread the ink uniformly over a wide range. If the same liquid pesticide is desired to be transferred to a spraying device, it can be achieved by making the pouring hole a single large hole.

As described above, according to the present invention, the size and number of the pouring holes can be determined according to the state of the contents (liquid, powder, granules, etc.) and the state of pouring. It can also respond to conditions. Further, whether the contents are used up once or dividedly used can be achieved by selecting the form of the lid. In other words, in the case of single use, it can be handled by using a sheet-like lid material, and it can be used by dividing it several times, that is, when the reclosing function is required, it can be handled by using the form of a cap and a cylindrical member .

[0044]

According to the present invention, an inner sheet member for covering an opening, instead of providing an opening directly in the container and providing the opening in the case of providing a spout hole in a paper-based container,
Alternatively, since the ejection holes are provided in a thin member such as the inner and outer sheet members, the size and the number of the ejection holes can be freely set according to the form of the contents or the form in which the contents are poured. For this reason, the pouring hole can be easily formed into a large group of small holes.

The lid is welded to the outer sheet member to maintain the sealed state securely, but is not welded to the periphery of the pouring hole. For this reason, even at the time of opening, the intended pouring form can be used as it is without affecting the periphery of the pouring hole at all.

Further, since the lid and the pouring hole are not welded to each other, the contents can be exchanged between the inside of the container and the lid via the pouring hole. The contents do not penetrate into the container because they are completely sealed off from the outside and the opening end surface of the container is also covered and protected by the inner and outer sheet members.

Next, in a second mode of the sealing mode in combination with the lid of the present invention, the lid is welded to the inner sheet member,
Since the pouring hole of the inner sheet member is completely closed and sealed, the contents do not come out of the inner sheet member to the outside,
The contents do not permeate the container from the end face of the opening.

Further, when the lid is opened, only the welded layer of the welded portion of the inner sheet member with the lid is broken integrally with the lid and peeled off from the base layer, so that the inner sheet member is filled with the base layer. A vent appears. At this time, the welding layer and the base material layer of the inner sheet member are laminated in a detachable state, and the force generated in the base material layer due to the separation of the welding layer is small. Is not broken and becomes larger than a predetermined size of the pouring hole.

[Brief description of the drawings]

FIG. 1 is a perspective view of a first embodiment of the present invention.

FIG. 2 is an enlarged sectional view of a pouring section according to the first embodiment of the present invention.

FIG. 3 is an enlarged sectional view of a pouring section according to a second embodiment of the present invention.

FIG. 4 is a perspective view of a third embodiment of the present invention.

FIG. 5 is an enlarged sectional view of a pouring section according to a fourth embodiment of the present invention.

FIG. 6 is an enlarged sectional view of a pouring section according to a fifth embodiment of the present invention.

FIG. 7 is an enlarged sectional view of a fifth embodiment of the present invention at the time of opening a pouring section.

FIG. 8 is an enlarged sectional view of a pouring section according to a sixth embodiment of the present invention.

[Explanation of symbols]

 A: Pour out part B: Base material 1: Container 3, 13, ... ··· Lid 4, 14 ······ Opening 5, 15 ······ Inner sheet member 6, 16 ···················· ······· Outer sheet member 8 ··· Hole 20 and 23 ····· Welding layer 21 and 22 ····· Base material layer

Claims (7)

[Claims] An inner and outer sheet member for covering the opening is welded to the inner and outer surfaces of the outer peripheral edge of the opening of a container mainly made of paper and having an opening, and the inner and outer sheet members are connected to each other through the opening. Forming a pouring member by welding and covering the end face of the opening, forming at least one pouring hole in the inside of the pouring member, and closing a cover with an outer sheet member of the pouring portion; Characterized in that the lid is detachably welded to an outer peripheral edge of the container, and the lid and the peripheral portion of the outlet hole are not welded. 2. One of the inner and outer sheet members of the pouring member,
An annular sheet member that covers the opening and has a hole smaller than the opening inside, and one or more of the pouring holes is drilled in the other inner and outer sheet members located in the hole. The container with a pouring hole according to claim 1, wherein 3. The container with an ejection hole according to claim 1, wherein the lid has a sheet shape. 4. A spout hole according to claim 1, wherein said lid comprises a cylindrical member having a flange at a lower portion, and a cap attached to an upper portion of said cylindrical member. container. 5. An inner sheet member comprising a container mainly made of paper and having a welded layer of a resin of a different material and a base material layer laminated on an inner surface of an outer peripheral edge of the opening of a container having an opening so as to be peelable between the layers. The inner sheet member is welded with a welding layer, and one or more pouring holes are formed in a portion located in the opening of the inner sheet member.
The inner sheet member is welded to a portion located in the opening, and the welding strength is stronger than the breaking strength of the welded layer of the inner sheet member, and stronger than the adhesive strength between the welded layer and the base layer. Container with a pouring hole. 6. An inner sheet member comprising a paper-based container and a container having an opening, wherein an inner sheet member in which a welding layer of a resin of a different material and a base layer are releasably laminated between the inner surfaces of the outer periphery of the opening. Welded in layers, straddling the outer peripheral edge outer surface of the opening and the inner sheet member surface, welding an annular outer sheet member having a hole larger than the opening and having a hole smaller than the opening inside, One or more pouring holes are drilled in the inner sheet member located in the hole of the outer sheet member to cover the edge of the opening, and the sheet-like lid is peeled off to the peripheral surface of the outer sheet. The weld strength between the lid and the welded layer of the inner sheet member is freely welded to the portion of the inner sheet member located in the hole of the outer sheet member, and the breaking strength of the welded layer of the inner sheet member is Strength and higher than the adhesion strength between the welding layer and the base material layer. Welded to pouring out the sheet member for covering the container opening with holes and, and said inner outer sheet members together Note Deana container with. 7. The method according to claim 1, wherein the welding layer and the base material layer of the inner sheet member are
7. The container with a pouring hole according to claim 5, wherein the container is formed by co-extrusion.