JP3998770B2 - Dispensing device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a dispensing device that can be applied to viscous materials.
[0002]
[Prior art]
Conventionally, as a viscous material distribution container, the contents are stored in a tube-shaped container, and the contents are taken out by pushing the side wall of the tube-shaped container, or a dispensing pump is attached to a rigid plastic bottle or the like It is known to store the contents in a container and take out the contents little by little with a pump for dispensing. However, the former cannot make the packaging capacity large and it is difficult to take out the contents without leaving it. In the latter case, there is a disadvantage that the contents cannot be taken out without leaving the last, and both of them are used as disposable containers. Further, as described in JP-A-8-183561, a bottle comprising a synthetic resin-made rigid container and a flexible synthetic-resin-made flexible container detachably laminated on the rigid container by blow molding The thing of the structure which attached the pump for extraction to the container of the shape is known. In the case of a container of this configuration, it is a container that can be used by sucking out the contents without allowing outside air to enter the contents storage part, but the structure is complicated and expensive, and it is a disposable container that can be refilled. There is a disadvantage that it cannot be used as a container.
[0003]
[Problems to be solved by the invention]
An object of the present invention is to provide a refillable dispensing device that can take out even a viscous content without being left over and can repeatedly use a rigid container and a lid with a pump simply by replacing the package. It is.
[0004]
[Means for Solving the Problems]
Filling contents into the flexible container 2 having a flange 2a, so as to cover the opening of the flexible container 2, heat the lid member 3 having a piercing sealability to the flange 2a of the flexible container 2 It is a distribution apparatus using the package body 1 having a configuration in which it is attached and sealed by adhesion. In this case, when the capacity of the contents is reduced by inserting the suction cylinder 9 through the cover material 3 of the package 1 and taking out the contents, the flexible container 2 is sealed and the suction cylinder of the cover material 3 is removed. Since the airtightness of the piercing portion 9 is maintained, the outside air does not enter the inside of the flexible container 2 and the inside becomes negative pressure, and the bottom or side surface of the flexible container 2 is caused by atmospheric pressure. The volume of the flexible container 2 is reduced by being crushed. As the contents are further taken out, the flexible container 2 is further compressed and comes into close contact with the inner surface of the lid member 3 or the periphery of the suction tube 9 and can be taken out without leaving the contents. In addition, since the package 1 is hermetically sealed, air does not enter the interior, so that the package can be provided with excellent contents protection without causing deterioration of the contents due to oxidation or the like.
[0005]
In the packaging body 1 used in the above-described dispensing device, the lid material 3 is composed of a laminate composed of an unstretched nylon layer and a polyolefin resin layer excellent in flexibility, so that the rubber elasticity of the lid material is excellent. Therefore, even when the pump suction cylinder is inserted into the flexible container by piercing the lid, the airtightness between the suction cylinder and the lid can be maintained. The contents can be taken out to the end without air entering the inside of the flexible container.
[0006]
In the packaging body 1 used in the above-described dispensing device, the lid 3 is formed of a polyvinylidene chloride resin, an ethylene-vinyl alcohol copolymer, a metal or metal oxide vapor-deposited plastic film, a gas barrier layer made of aluminum foil, and an uncoated By comprising a laminate consisting of a stretched nylon layer and a polyolefin resin layer with excellent flexibility, the gas barrier property of the lid material is excellent, and the airtightness between the suction tube and the lid material at the pierced portion Can be held.
[0007]
In the packaging body 1 used in the above-described dispensing device, the flexible container 2 is a laminate of a polyolefin resin layer and a gas barrier resin layer, or a polyolefin resin layer, a gas barrier resin layer, and a thermoplastic resin layer. By making the polyolefin resin layer into an inner surface, it is possible to make a flexible container with excellent gas barrier properties and to be thermally bonded with a lid. Since the flexible container can be sealed, the contents are very well protected.
[0008]
A pump 8 having a suction cylinder 9 extending downward is attached to the center portion of the packaging body 1 in a state where the packaging body 1 is housed in a rigid container 4 having a flange 4a and a vent 6 at the bottom. A pressing portion 7b is formed in a circumferential shape so as to face the flange 2a of the flexible container 2 and an engaging portion 7a is formed on the periphery, and the engaging portion 7a is engaged with the lower surface of the flange 4a of the rigid container 4. the lid 7 has a configuration which can be removed by disengaging with mounted by being engaged by the engagement portion 7a of the lid 7 is engaged with the lower surface of the flange 4a of the rigid container 4 by mounting, the flexible container by pressing by a force which biases only directly below direction flange 2a of the flexible container 2 of the package 1 by the pressing portion 7b of said lid 7 from the cover member 3 side near beneath the second flange 2a The causes are fixed in a close contact state on the flange 4a of the rigid container 4, since the tip of the suction tube 9 is dispensing apparatus in which is inserted inside the package 1 by piercing the lid member 3, lid By operating the pump attached to the container, the contents can be easily taken out and used, and even the viscous contents can be used up. Moreover, since air does not enter the inside of the package, it is possible to prevent the contents from being deteriorated due to oxidation or the like. After the content is used up, it can be used as a refillable dispensing device by replacing the package.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 is a cross-sectional view showing an embodiment of the packaging body of the present invention, FIG. 2 is a cross-sectional view showing the configuration of a container used in the dispensing device of the present invention, FIG. 3 is a cross-sectional view showing the dispensing device of the present invention, FIG. Is a cross-sectional view of the dispensing apparatus in a state where a part of the contents is taken out, 1 is a package, 2 is a flexible container, 2a is a flexible container flange, 3 is a lid, 4 is a rigid container, 4a Is a rigid container flange, 5 is a heat bonding part, 6 is a vent hole, 7 is a lid, 7a is an engaging part, 7b is a pressing part, 8 is a pump, 9 is a suction cylinder, 10 is contents, and 11 is a space. Represent each.
[0010]
As shown in FIG. 1, the embodiment of the package of the present invention covers the opening of the flexible container 2 after filling the contents 10 into the cup-shaped flexible container 2 having the flange 2a. The lid member 3 having a piercing and sealing property is attached and adhered to the upper surface of the flange 2a of the flexible container 2 by the heat bonding portion 5 and sealed. In the case of this embodiment, when the suction cylinder is pierced into the lid member 3 and the contents are taken out, the airtightness between the pierced portion of the suction cylinder and the lid member 3 is maintained, so that only the volume of the extracted contents 10 is obtained. Since the flexible container 2 is crushed and reduced, air does not enter the inside of the package 1 and the quality of the filled contents 10 can be prevented from being deteriorated due to oxidation or the like. The shape of the flexible container 2 is preferably a cup shape, but may be a cylindrical container such as a cylindrical shape or a rectangular tube shape as long as it has a flange.
[0011]
The container used in the dispensing device of the present invention is as shown in FIG. 2, and includes a cup-shaped rigid container 4 having a flange 4a and a vent hole 6 at the bottom, and a suction cylinder 9 extending downward. A pump 8 is attached to the center portion, and is configured by a lid body 7 having a pressing portion 7b formed in a circumferential shape facing the flange 4a of the rigid container 4 and an engaging portion 7a formed in the peripheral edge. Yes. The shape of the rigid container 4 is such that the flexible container 2 having the flange 2a constituting the package 1 is in close contact with the inside of the rigid container 4 with the flange 2a of the flexible container 2 overlapping the flange 4a of the rigid container 4. It is designed to be inserted. The pump 8 attached to the lid 3 has a structure in which even viscous contents can be taken out by a pump operation. The lid body 7 is configured to be attached by engaging an engaging portion 7 a provided on the periphery of the lid body 7 with the lower surface of the flange 4 a of the rigid container 4 and to be removable by releasing the engagement.
[0012]
The dispensing device using the package 1 of the present invention is as shown in FIG. 3, and the package is placed inside the rigid container 4 so that the flange 2 a of the flexible container 2 overlaps the flange 4 a of the rigid container 4. 1 is placed in close contact with the pump 8 having a suction tube 9 extending downward, and is attached to the center, and is a pressing portion 7b formed in a circumferential shape facing the flange 4a of the rigid container 4. And the lid 7 having the engaging portion 7a formed at the periphery, the upper portion of the flange 2a of the flexible container 2 is placed on the upper portion of the rigid container 4 housing the package 1, and the pressing portion 7b of the lid 7 At the same time, the engaging portion 7a of the lid body 7 is engaged with the lower surface of the flange 4a of the rigid container 4 while being attached, and at the same time, the suction cylinder 9 is pierced into the lid material 3 of the packaging body 1 to It is the structure inserted in. Since the flange 2a of the flexible container 2 is fixed on the flange 4a of the rigid container 4 by the pressing portion 7b of the lid body 7 in the assembled state, the packaging body 1 and the rigid container 4 are integrated. .
[0013]
When the contents 8 are taken out by operating the pump 8 of the dispensing device shown in FIG. 3, as the amount of the contents 10 decreases, the flexible container 2 is completely sealed by the lid material 3, and the lid 10 Since the airtightness of the stab portion of the material 7 and the suction tube 9 is ensured, the outside air does not enter the inside of the flexible container 2 and the inside becomes a negative pressure. On the other hand, since the vent 6 is formed in the bottom of the rigid container 4 and communicates with the atmosphere, a pressure difference is generated between the inside and the outside of the flexible container 2 at the bottom of the flexible container 2, and the flexible container 2 is flexible. The bottom of the flexible container 2 is pushed up and crushed, and the volume of the flexible container 2 decreases. As the contents 10 are further taken out, as shown in FIG. 4, the flexible container 2 is crushed by the reduced volume of the contents 10, and the bottom of the rigid container 4 and the bottom of the flexible container 2 A space 11 is created between the two. In a state where the contents 10 are completely taken out, the flexible container 2 is completely crushed and is in close contact with the lower surface of the lid member 3 and the periphery of the suction cylinder 9, and the contents are not exhausted to the end. It can be used. As described above, since air does not enter the inside of the packaging body 1 during use of the distribution device, the contents can be reliably maintained without causing deterioration due to oxidation or the like. is there.
[0014]
When the contents 10 are completely taken out and used as described above, the engagement between the engaging portion 7a of the lid 7 and the lower surface of the flange 4a of the rigid container 4 is released, and the rigid container 4 and the lid are removed. 7 is taken out from the rigid container 4 and replaced with a new package 1 filled with the contents, and assembled into the distribution device shown in FIG. Can be used. Therefore, since the rigid container 4 and the lid 7 can be used repeatedly, it can be used as a refilling dispensing device by simply replacing the package 1 with a new one. Moreover, even in the case of viscous contents, the contents can be used up reliably without leaving the contents in the package 1.
[0015]
The flexible container 2 constituting the package 1 of the present invention is a laminate comprising a polyolefin resin layer and a gas barrier resin layer, or a laminate comprising a polyolefin resin layer, a gas barrier resin layer and a thermoplastic resin layer. It is a highly flexible container that is molded using the body so that the polyolefin resin layer becomes the inner surface. As the gas barrier resin layer, ethylene-vinyl alcohol copolymer (EVOH), vinylidene chloride resin (PVDC), nylon resin (NY), or the like is used. For the polyolefin resin layer, low density polyethylene (LDPE), linear low density polyethylene (LLDPE), ethylene-vinyl acetate copolymer (EVA), polypropylene (PP), ethylene-propylene copolymer (EP), etc. are used. it can. As the thermoplastic resin layer, low density polyethylene (LDPE), linear low density polyethylene (LLDPE), polypropylene (PP), ethylene-propylene copolymer (EP), amorphous polyester (PET), nylon (NY) Polystyrene (PST) or the like can be used.
[0016]
Specific examples of the laminated structure of a flexible container composed of a polyolefin resin layer and a gas barrier resin layer include (inner surface) PE / NY, (inner surface) PE / EVOH, (inner surface) EP / EVOH, (inner surface) modification. Specific examples of the laminated structure of a flexible container made of a polyolefin resin layer, a gas barrier resin layer, and a thermoplastic resin layer, such as PP / EVOH, are (inner surface) PE / EVOH / NY (outer surface), ( (Inner surface) EP / EVOH / NY (outer surface), (inner surface) PE / EVOH / PE (outer surface), (inner surface) EP / EVOH / EP (outer surface), (inner surface) modified PP / EVOH / modified PP (outer surface), ( Inner surface) PE / EVOH / PET (outer surface), (inner surface) EP / EVOH / PS (outer surface), and the like. The laminated film is manufactured by multilayer extrusion, and may be a multilayer extrusion film in which an adhesive layer is inserted between the layers in order to increase the adhesive strength between the layers. The laminate constituting the flexible container 2 is preferably flexible and excellent in pinhole resistance.
[0017]
The lid 3 constituting the package 1 of the present invention is a laminate composed of an unstretched nylon layer and a polyolefin resin layer having excellent flexibility, or a gas barrier layer and an unstretched nylon layer having excellent flexibility. It is comprised by the laminated body which consists of a polyolefin resin layer. Examples of polyolefin resins having excellent flexibility include low density polyethylene (LDPE), linear low density polyethylene (LLDPE), ethylene-vinyl acetate copolymer (EVA), ethylene-acrylic acid copolymer (EAA), and ethylene. -Ethyl acrylate copolymer (EEA), ethylene-methacrylic acid copolymer (EMA), ionomer resin (IO), etc. are used. As the gas barrier layer, polyvinylidene chloride resin (PVDC), ethylene-vinyl Alcohol copolymer (EVOH), metal or metal oxide vapor deposition (VM) plastic film, aluminum foil (AL), etc. are used. Since the rubber-like elasticity is increased by configuring the lid 3 with the above material, even when the suction cylinder 9 is pierced into the lid, the sealing performance of the portion where the suction cylinder 9 is pierced can be ensured. It is.
[0018]
Examples of the laminated structure of a cover material composed of an unstretched nylon layer and a polyolefin resin layer having excellent flexibility are unstretched nylon (CN) / LDPE, CN / LLDPE, CN / EVA, CN / EAA, etc. Films such as CN, LDPE, LLDPE, EVA and EAA may be laminated by dry lamination or the like, or may be laminated by co-extrusion of these resins. In the case of a method of laminating a film by dry lamination, printing is performed on the back surface of the unstretched nylon film, and in the case of manufacturing by coextrusion, printing is performed on the surface of the nylon layer.
[0019]
As an example of the laminated structure of a cover material composed of a gas barrier layer, an unstretched nylon layer, and a polyolefin resin layer having excellent flexibility, when polyvinylidene chloride resin (PVDC) is used as the gas barrier layer, PVDC / CN / LDPE, PVDC / CN / LLDPE, PVDC / CN / EVA, CN / PVDC / LDPE, CN / PVDC / LLDPE, CN / PVDC / EVA, etc., not coated with polyvinylidene chloride resin (PVDC) A laminated body can be produced by laminating by dry lamination using a stretched nylon (CN) film or by co-extrusion of these resins. When ethylene-vinyl alcohol copolymer (EVOH) is used as the gas barrier layer, EVOH / CN / LDPE, EVOH / CN / LLDPE, EVOH / CN / EVA, CN / EVOH / LDPE, CN / EVOH / LLDPE, CN / EVOH / EVA and the like, which can be laminated by dry lamination or coextrusion of a film made of these resins. Biaxially stretched nylon (ON) / VM / CN / LDPE, ON / VM / CN / LLDPE, ON / VM / CN / EVA when using metal or metal oxide vapor deposited (VM) plastic film as gas barrier layer The configurations using aluminum foil (AL) as the gas barrier layer are AL / CN / LDPE, AL / CN / LLDPE, CN / AL / LDPE, CN / AL / LLDPE, and the like.
[0020]
As the rigid container 4 constituting the distribution device of the present invention, a rigid container manufactured by injection molding using a resin such as high-density polyethylene, polypropylene, or polyester can be suitably used. A container made of ceramic, a container made of earthenware, and a composite container thereof can also be used. It is preferable to use a pump that is generally used for viscous materials. Further, synthetic resin, rubber elastic body, or the like having good adhesion may be used or integrally formed in the engaging portion.
[0021]
【The invention's effect】
A flexible container having a flange is filled with the contents, and a cover having a piercing and sealing property is attached to the flange of the flexible container by thermal bonding so as to cover the opening of the flexible container and sealed. It is a package of composition. In this case, when the capacity of the contents decreases by penetrating the suction cylinder through the cover material of the package and taking out the contents, the flexible container is sealed and the airtightness of the piercing part of the suction cylinder of the cover material is sealed. Because the air quality is maintained, the inside of the flexible container does not enter the inside of the flexible container and the inside becomes negative pressure, and the bottom or side surface of the flexible container is crushed by the pressure of the atmosphere. The volume of the flexible container is reduced. As the contents are further taken out, the flexible container is further compressed and comes into close contact with the inner surface of the lid member or the periphery of the suction cylinder, and can be taken out without leaving the contents. In addition, since the package is hermetically sealed, air does not enter the interior, so that the package can be made excellent in content protection without causing deterioration due to oxidation or the like.
In the above packaging body, since the lid material is composed of a laminate composed of an unstretched nylon layer and a polyolefin resin layer excellent in flexibility, the lid has excellent rubber elasticity. Even when the suction tube is inserted into the flexible container by piercing the lid material, the airtightness between the suction tube and the cover material can be maintained, so that the piercing part of the suction tube can be inserted into the flexible container. The contents can be taken out to the end without air entering.
In the above package, the lid is made of a polyvinylidene chloride resin, an ethylene-vinyl alcohol copolymer, a metal or metal oxide-deposited plastic film, a gas barrier layer made of aluminum foil, an unstretched nylon layer, and flexibility. By forming a laminate comprising an excellent polyolefin resin layer, the gas barrier property of the lid material becomes even better, and the airtightness between the suction tube and the lid material at the piercing portion can be maintained. it can.
In the above package, the flexible container is composed of a laminate of a polyolefin resin layer and a gas barrier resin layer, or a laminate of a polyolefin resin layer, a gas barrier resin layer, and a thermoplastic resin layer, By adopting a configuration in which the polyolefin resin layer is formed to be the inner surface, a flexible container with excellent gas barrier properties can be obtained, and the flexible container is sealed by heat bonding with a lid. Can protect the contents very well.
A pump provided with a suction cylinder extending downward in a state where the above package is housed in a rigid container having a flange and a vent on the bottom, is attached to the center portion, and faces the flange of the package. By attaching a lid body having a circumferentially formed pressing portion and an engaging portion formed on the periphery thereof by engaging the engaging portion of the lid body with the flange of the rigid container, Since the distribution device has a configuration in which the flange of the packaging body is fixed on the flange of the rigid container at the portion, and the tip of the suction tube is inserted into the packaging body by being pierced into the lid material. By operating the pump attached to the container, the contents can be easily taken out and used, and even the viscous contents can be used up. Moreover, since air does not enter the inside of the package, it is possible to prevent the contents from being deteriorated due to oxidation or the like. After the content is used up, it can be used as a refillable dispensing device by replacing the package.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view showing an embodiment of a package of the present invention.
FIG. 2 is a cross-sectional view showing a configuration of a container used in the distribution device of the present invention.
FIG. 3 is a cross-sectional view showing a distribution device of the present invention.
FIG. 4 is a cross-sectional view of the distribution device in a state where a part of the contents is taken out.
[Explanation of symbols]
1 Packaging 7 Lid 2 Flexible Container 7a Engagement Section
2a Flexible container flange 7b Press part 3 Lid material 8 Pump 4 Rigid container 9 Suction cylinder
4a Rigid container flange 10 Contents 5 Heat bonding part 11 Space 6 Vent

Claims (4)

Filling contents into the flexible container 2 having a flange 2a, so as to cover the opening of the flexible container 2, heat the lid member 3 having a piercing sealability to the flange 2a of the flexible container 2 A pump 8 having a suction cylinder 9 extending downward is attached to the center portion in a state where the package 1 attached and sealed by adhesion is housed in a rigid container 4 having a flange 4a and a vent hole 6 at the bottom. A pressing portion 7b is formed in a circumferential shape facing the flange 2a of the flexible container 2 of the packaging body 1 and an engaging portion 7a is formed at the periphery, and the engaging portion 7a is used as the flange 4a of the rigid container 4. of the cover 7 has a configuration which can be removed by disengaging with mounted by being engaged with the lower surface, the engagement portion 7a of the lid 7 to the lower surface of the flange 4a of the rigid container 4 Engage and attach Accordingly, the flexible container 2 by pressing by a force which biases only directly below direction flange 2a of the flexible container 2 of the package 1 by the pressing portion 7b of the cover 7 from the lid 3 side It is configured to be fixed in close contact with the flange 4a of the rigid container 4 directly below the flange 2a , and inserted into the package body by inserting the tip of the suction tube 9 into the lid member 3. Dispensing device characterized. The lid 3 is composed of a laminate composed of a gas barrier layer, an unstretched nylon layer, and a polyolefin resin layer having excellent flexibility, and the gas barrier layer is a metal or metal oxide vapor-deposited plastic film, aluminum foil The distribution device according to claim 1, wherein: The flexible container 2 is composed of a laminate of a polyolefin resin layer and a nylon resin layer as a gas barrier resin layer, and has a structure formed such that the polyolefin resin layer is an inner surface. The distribution device according to claim 1 or 2. The flexible container 2 comprises a laminate of a polyolefin resin layer, a nylon resin layer as a gas barrier resin layer, and an amorphous polyester layer, a nylon layer or a polystyrene layer as a thermoplastic resin layer, and the polyolefin The distribution device according to any one of claims 1 to 3, wherein the distribution device is configured such that the resin layer is an inner surface.

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