JP2004352349A - Replacement type double container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a replacement type double container in which replacement can be carried out easily and surely by a user and a sealing property of a inner container can be maintained certainly and a throwaway part of which can be provided at a low cost. <P>SOLUTION: The container has a cylindrical outer tube having a top wall forming an opening which forms an outer shell, and an inner body which contains a liquid content and has a cylindrical body and is stored in the outer tube in a state that a mouth tube part is projected from the opening, and a bottom lid which can be assembled detachably to the lower end part of the outer tube, wherein a non-rotatable engagement part is formed between the engagement round bar mounted on the lower end of the mouth tube part of the inner body and the opening of the outer tube, and the inner body is assembled in the outer tube in a non-rotatable state relatively and also in a non-movable state relatively in up and down direction by the use of the top wall. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
[Industrial applications]
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a replaceable double container made of a synthetic resin, which includes an outer container forming an outer shell and an inner container having a thin body for storing an inner liquid.
[0002]
[Prior art]
For example, Patent Literature 1 describes a double container made of a synthetic resin including an outer container and an inner container particularly used for a high-grade cosmetic liquid or the like. As a stacked container with a stack of containers, a discharge pump is further attached, the inner container is deformed as the content liquid is poured out, and the outside air does not enter the inner container, and the deterioration due to the air entering the content liquid Is suppressed.
[0003]
On the other hand, recently, from the viewpoints of environmental problems and resource saving, containers that can be used repeatedly, or a method of reducing the amount of waste as much as possible, have been required for products, and many such products have been required. Regarding a double container composed of members, for example, it is required that the inner container is replaced and the other members have a repeatable configuration.
[0004]
[Patent Document 1]
JP-A-10-59357
[Problems to be solved by the invention]
However, in order to make the above-mentioned requirement, that is, a replaceable container, replacement by the user is easy and can be performed reliably, especially that the tightness of the inner container is reliably maintained, and furthermore, disposable It is required that the inner container can be provided at low cost.
[0006]
An object of the present invention is to solve the above-described problem, and the problem is that a user can easily and reliably perform replacement, and furthermore, a disposable part that can provide a disposable part at low cost. It is to provide a heavy container.
[0007]
[Means for Solving the Problems]
In the present invention for solving the above technical problems, the means of the invention described in claim 1 is:
Forming an outer shell, a cylindrical outer cylindrical body having a top wall having an opening, and containing a liquid content, having a cylindrical body, with a mouthpiece protruding from the opening. Having a bottom lid body detachably attached to the lower end of the outer cylinder body, and a content body accommodated in the outer cylinder body;
Forming a non-rotatable fitting portion between the lower end of the mouthpiece portion of the content body and the opening of the exterior tubular body,
Assembling the content body to the outer cylinder so that it cannot be relatively rotated and that it cannot be relatively moved in the vertical direction using the top wall,
It is in.
[0008]
According to the above configuration, in the assembly of the container of the present invention, the content body into which the content liquid has been inserted is first inserted from the lower end opening of the cylindrical exterior cylinder, but the exterior cylinder at the shoulder of the content body is first inserted. The limit of this insertion is determined by the contact with the top wall, and at this limit position, the lower end of the mouthpiece fits into the opening of the top wall of the outer cylinder to form a fitting part that cannot rotate relative to the outer cylinder. I do. The mouthpiece portion is located so as to protrude above the top wall from the opening.
[0009]
In addition, by appropriately setting the height from the shoulder to the bottom of the content body with respect to the height from the bottom wall of the bottom lid to the top wall of the exterior cylinder, after inserting the interior body into the exterior cylinder, Or, after inserting the content body into the exterior cylinder with the bottom lid assembled to the bottom of the content body in advance, by pressing the bottom lid against the bottom surface of the content body, by assembling to the lower end of the exterior cylinder body In addition, the shoulder of the content body is brought into contact with the top wall of the exterior cylinder body, so that the vertical movement of the content body in the exterior cylinder body can be suppressed, and the relative rotation cannot be performed. , The contents can be easily fixed.
[0010]
Also, after use, the bottom lid can be removed, and the contents can be easily disassembled by pulling out the contents from the lower end of the outer container. It is possible to purchase only the content body containing the content liquid as a replacement container, and to repeatedly use other members such as the outer cylindrical body and the bottom lid body.
[0011]
In addition, the outer cylindrical body forms the outer shell of the container, and instead of providing a thin-walled content, imparts gripping properties to the container and exhibits a decorative function, such as coloring, printing, and the like. Decoration can be performed on the outer cylinder that is used repeatedly, and the decorative appearance of the disposable part can be eliminated, which also saves resources, energy and costs. It is possible to do.
[0012]
Here, even in a container of a type that is used by thinning the body of the content body and reducing the volume of the body of the content body by pouring out the content liquid, the content liquid is substantially filled at the time of replacement, It is effective to hold the content body between the bottom wall of the bottom lid body and the top wall of the exterior cylindrical body, and the content body can be fixed, and a cap or the like attached to the replacement content body is removed, or Replacement work such as installation of an injection pump or the like can be smoothly performed.
[0013]
In a container of the type in which the content is reduced in volume, when the content liquid is used, the effect of suppressing the vertical movement by the bottom lid is lost, so that an appropriate method using the top wall of the outer cylindrical body is used. Accordingly, the relative movement of the content body and the outer container in the vertical direction is disabled by, for example, clamping the top wall between the shoulder of the content body and a cap body screwed to the mouthpiece of the content body. .
[0014]
According to a second aspect of the present invention, in the first aspect of the present invention, a fitting rim is provided around the lower end of the mouthpiece portion, and a gap is formed between the fitting rim and the opening of the outer cylinder. Forming a non-rotatable fitting portion.
[0015]
According to the above configuration, it is possible to surely achieve a state in which the fitting rim cannot rotate.
[0016]
According to a third aspect of the present invention, in the second aspect of the present invention, the fitting portion is formed by making the shape of the fitting rim and the outer peripheral edge of the opening portion a regular polygon of a quadrangle or more. .
[0017]
According to the third aspect of the present invention, in order to prevent rotation, the fitting peripheral shape and the outer peripheral edge shape of the opening may be non-circular, but the fitting operation of the fitting peripheral streak into the opening is easy. From the viewpoint of properties, it is preferable that the shape be a quadrangle or more, for example, a regular polygon such as a regular hexagon or a regular octagon.
[0018]
According to a fourth aspect of the present invention, in the first, second or third aspect of the present invention, the relative displacement of the content body in the upward direction is prevented by the contact of the shoulder of the content body with the top wall of the outer cylindrical body. Assembling to the outer cylinder.
[0019]
Even when the body is formed to be thin, the shoulder can be formed to be relatively thick, so that there is no need to attach a flange piece or the like for abutment to the mouthpiece, and the above configuration according to claim 4 is provided. As described above, the shoulder is brought into contact with the top wall, so that the upward movement of the contents can be suppressed.
[0020]
According to a fifth aspect of the present invention, in the first, second, third or fourth aspect of the present invention, a cap having a top-end cylindrical shape is screwed to a mouth portion of a content body. The end face is brought into contact with the top wall, and the content body is assembled to the exterior cylinder so that the content body cannot be relatively moved downward.
[0021]
The above configuration according to the fifth aspect utilizes the cap body that is screwed into the mouth cylinder portion, that is, the lower end surface of the cap body is brought into contact with the top wall of the exterior cylinder body to ensure the downward direction of the content body. Can be disabled.
[0022]
Further, for example, the top wall of the exterior cylinder can be sandwiched between the shoulder of the content body and the cap body by a tightening force when the cap body is screwed into the mouthpiece portion, and the content body can be clamped to the exterior cylinder body. Can be reliably achieved.
[0023]
According to a sixth aspect of the present invention, in the first, second, third, fourth or fifth aspect of the present invention, there is provided a construction having a pouring pump which is closely assembled to the mouthpiece of the contents.
[0024]
According to the configuration described in claim 6, it is possible to provide a highly convenient replacement type double container using a discharge pump. The pouring pump can be tightly assembled to the mouthpiece of the content body by, for example, screwing a cylindrical cap body having an opening on the top wall, and can be used repeatedly.
[0025]
According to a seventh aspect of the present invention, in the sixth aspect of the present invention, the body portion of the body is made thin so as to be able to wither and deform.
[0026]
According to the above configuration, when the content liquid is poured out by using the discharge pump having the check valve for preventing the inflow of the outside air, the body part is deflated (reduced in volume) and deformed as the content liquid decreases. In addition, entry of external air can be eliminated, and deterioration of the content liquid can be suppressed. In addition, since the air cannot be accumulated in the content body, the content liquid can be smoothly discharged regardless of the posture of the container.
[0027]
At this time, if the exterior cylinder and the bottom lid are made opaque, deterioration of the appearance due to deformation of the content can be prevented.
[0028]
The means of the invention according to claim 8 is the invention according to claim 1, 2, 3, 4, 5, or 6, wherein the content body is sandwiched between the bottom wall of the bottom lid and the top wall of the exterior cylinder, That is, it is assembled and fixed to the outer cylindrical body so that the relative movement in the vertical direction is impossible.
[0029]
The above configuration according to claim 8 is intended for a container of a type that is used while maintaining the original shape without shrinking and deforming the contents, and appropriately setting the height from the bottom to the shoulder of the contents. By simply inserting the content body into the exterior cylinder, pressing the bottom surface of the content body with the bottom wall of the bottom lid, and assembling the bottom lid to the lower end of the exterior cylinder, the bottom lid By sandwiching the content body between the bottom wall and the top wall of the exterior cylinder, the interior body can be easily assembled and fixed to the exterior cylinder without relative movement in the vertical direction.
[0030]
In addition, when using a pouring pump in the above case, a pouring pump of a type that takes in the outside air into the content body together with the pouring of the content liquid is used. Also, in order to ensure the assembling of the contents, the height from the bottom of the contents to the upper surface of the shoulder should be approximately the same as or slightly higher than the height from the upper surface of the bottom wall of the bottom lid to the lower surface of the top wall of the exterior cylinder. Preferably, it is higher.
[0031]
According to a ninth aspect of the present invention, in the first, second, third, fourth, fifth, sixth, seventh, or eighth aspect, a blow-molded content body is used.
[0032]
According to the configuration described in claim 9, in the blow molding, the barrel portion can be formed to be sufficiently thin so as to be able to freely wither and deform while securing the rigidity sufficient for assembling by making the mouthpiece portion thick, It is possible to provide a content body having a high productivity and a shape exhibiting necessary and sufficient functions at low cost.
[0033]
According to a tenth aspect of the present invention, in the first, second, third, fourth, fifth, sixth, seventh, or eighth aspect, a pouch-like container is used as the content body.
[0034]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 to 3 show a first embodiment of a replaceable double container according to the present invention. As shown in FIG. 1, the container of the present embodiment is mainly composed of four members of an outer cylinder 1, an inner body 11, a bottom lid 7 and a pouring pump 21, and the outer cylinder 1 has a cylindrical shape. It has a top wall 2 having an opening 3 formed in the center.
[0035]
Further, the outer peripheral shape of the opening 3 into which the fitting peripheral strip 17 of the content body 11 described later is fitted is a regular octagon, and the lower end has a fitting hole 6 for assembling a bottom cover 7 described later. Is formed.
[0036]
The inner body 11 is a blow-molded bottle having a cylindrical body 13, and a fitting rim 17 having a regular octagon whose outer peripheral shape fits into the opening 3 is provided at the lower end of the mouthpiece 12. The fitting portion is formed by the opening 3 and the fitting ridge 17 so that the fitting portion cannot be relatively rotated.
[0037]
Further, the body 13 is formed sufficiently thin so as to be able to freely wither and deform, and the shoulder 14 is provided between the top of the outer cylindrical body 1 and a flange 24 of a pouring pump 21 described later. In order to clamp the wall 2, the shape is relatively flat in the horizontal direction.
[0038]
The bottom lid 7 has a pair of pressing pieces 8 capable of being elastically deformed inward by pressing at axially symmetric positions, and is detached by pressing a thin disk-shaped pressing button 9 attached to the pressing piece 8. If possible, it is assembled to the lower end opening of the outer cylinder 1.
[0039]
The pouring pump 21 is of a type provided with a check valve for preventing the outside air from entering the interior of the content body 11, and has a cap body 23, a suction pipe 22, and an outer flange circumferential strip 22 a. 23 is screwed into the barrel portion 12 of the inner body 11, so that the outer flange circumference 22 a is sandwiched between the upper end surface of the barrel portion 12 and the top wall of the cap body 23 via the packing 25, and the mouth is securely inserted. It can be tightly assembled to the cylindrical portion 12. Note that a cover cap 27 is usually placed over the head of the dispensing pump 21 to prevent malfunction.
[0040]
To assemble the container, as shown in FIG. 1, a content body 11 filled with a new content liquid is inserted from the lower end of the outer cylindrical body 1, the fitting ridge 17 is fitted into the opening 3, and the fitting is performed. With the mouthpiece 12 protruding from the top wall 14, the bottom lid 7 is fitted and assembled to the lower end of the exterior sleeve 1 from below, and finally the discharge pump 21 is attached to the mouthpiece 12 with a cap. The body 23 is screwed together.
[0041]
Here, the normal contents body 11 is sold in a state in which the mouth tube part 12 is sealed with a cap or the like, but in order to prevent leakage of the contents liquid at the time of assembling, the contents body 11 is inserted into the outer case body with the caps on. The cap is removed when attaching the dispensing pump 21.
[0042]
The body 13 of the content body 11 is thin so as to be deflated and deformable, but in a state filled with the content liquid before use, the height from the bottom surface of the content body 11 to the upper surface of the shoulder portion 14 is determined by a bottom cover. By setting the height from the bottom wall of the body 7 to the lower surface of the top wall 2 of the exterior cylindrical body 1 to be approximately the same or slightly higher, the bottom wall presses the bottom surface of the content body 11 from below. The lid 7 is assembled to the outer cylinder 1, and the inner body 11 is sandwiched between the bottom wall of the bottom lid 7 and the top wall 3 of the outer cylinder 1 so that the inner body 13 cannot be relatively moved in the up-down direction. It can be assembled and fixed to the body 1. (See mainly Fig. 2)
[0043]
As described above, the inner body 11 can be assembled to the outer cylindrical body 1 so as not to be relatively rotatable and not to be relatively movable in the up-down direction, and the mounting of the pouring pump 21 can be easily and reliably performed.
[0044]
FIG. 3 is an enlarged view of a main part showing an assembled state, in which a top wall 2 of an outer container 1 is provided between a flange 24 provided around a lower end of a cap body 23 of a pouring pump 21 and a shoulder 14 of an inner body 11. This is a state in which a portion near the periphery of the opening is sandwiched.
[0045]
During use, if the body 13 of the body 11 shrinks and deforms as the content liquid decreases (see the body 13 indicated by a two-dot chain line in FIG. 3), the bottom wall of the bottom cover 7 and the outer cylinder Although the content body 11 cannot be pinched by the top wall 2 of the body 1, the cap body 23 is screwed and fastened to the mouthpiece portion 12 so that the outer cylinder body 1 and the content body 13 can be vertically moved during use. It is possible to reliably hold the immovable fixed assembly.
[0046]
FIG. 4 shows another example of a method of clamping the top wall 2, in which a clamping rim 18 is provided immediately below the fitting rim 17 of the mouthpiece portion 12. Since the wall 24 is sandwiched, the sandwiched state can be more reliably maintained regardless of the thickness distribution and shape of the shoulder portion 18 of the content body 11.
[0047]
FIGS. 5 and 6 show a second embodiment of the container according to the present invention, in which a nozzle 29 for discharging the content liquid without using a discharging pump is provided upright on the top wall, and a hinge cap 28 is provided. The container is a container in which the cap body 23 is screwed, and the container is shaken with the container in an inverted posture, and the content liquid is poured out and used.
[0048]
Further, the body 13 of the content body 11 of the present embodiment is formed to have a relatively thick wall and has a buckling strength corresponding to that of the content body 11. The bottom surface of the bottom cover 7 is pressed against the bottom wall of the bottom cover 7, and the bottom cover 7 is assembled, so that the content body 11 is sandwiched between the bottom wall of the bottom cover 7 and the top wall of the exterior cylinder 1, The content body 11 can be securely assembled and fixed to the outer cylindrical body 1 so that the content body 11 cannot be relatively moved in the vertical direction, and even if the content liquid decreases during use, the assembled and fixed state can be maintained.
[0049]
For this reason, in the container of the present embodiment, a portion for holding the contents 11 such as the flange 24 of the cap body 23 or the holding peripheral shape 18 of the mouthpiece 11 of the container of the first embodiment (see FIG. 4). Is not provided.
[0050]
When the lower end face of the cap body 23 does not need to be brought into contact with the top wall 2 of the outer cylindrical body 1 for clamping as described above, the cap outside the cap attached to the new replacement content body 11 is removed. By setting the diameter to be large enough to pass through the opening 3, it can be used as it is as the cap body 23, which is more convenient for the user.
[0051]
In the first embodiment, an example is described in which the pouring pump 21 is attached, and in the second embodiment, the cap body 23 having the nozzle 29 is attached. The member can be used by attaching a member for pouring that combines a pump mechanism and an application body such as a comb body, for example.
[0052]
【The invention's effect】
Since the present invention has the above-described configuration, the following effects can be obtained.
According to the first aspect of the present invention, the lower end of the mouthpiece and the opening of the outer cylindrical body cannot be rotated by being fitted to each other, and can be held between the bottom lid and the top wall of the outer cylindrical body. The present invention provides a double container that can easily fix the contents by disabling relative movement in the vertical direction, and that is excellent in replacement operability.
[0053]
In addition, by giving the outer cylindrical body a container grip instead of the inner body, and exhibiting a decorative function, the outer cylindrical body can be fully loaded while being a replacement container regardless of the shape and appearance of the inner body. A container which is decorated and has excellent appearance can be provided.
[0054]
According to the second aspect of the present invention, it is possible to reliably achieve a state in which rotation is impossible due to the fitting ridge.
[0055]
According to the third aspect of the present invention, the fitting peripheral shape and the outer peripheral edge shape of the opening are, for example, regular hexagons and regular octagons in this embodiment, so that the position for fitting can be improved. Alignment can be easily achieved.
[0056]
According to the fourth aspect of the present invention, the shoulder of the content body is brought into contact with the top wall without attaching a flange piece or the like for abutment to the mouthpiece portion, so that the content body can be moved upward. Can be suppressed.
[0057]
According to the fifth aspect of the present invention, the cap body is screwed into the mouth tube portion, that is, the lower end surface of the cap body is brought into contact with the top wall of the exterior tube body to ensure the content of the body. Movement in the downward direction can be disabled, and the top wall of the outer cylindrical body is placed between the shoulder of the content body and the cap body by a tightening force when the cap body is screwed into the mouthpiece part. It can be sandwiched, and the assembling of the content body to the outer cylindrical body can be reliably achieved.
[0058]
According to the invention as set forth in claim 6, it is possible to provide a highly convenient replacement type double container utilizing a pouring pump, and further, by screwing a cylindrical cap body, or the like, opening the contents body. It can be tightly assembled to the cylinder, and the injection pump can be used repeatedly.
[0059]
According to the invention as set forth in claim 7, the body is made to be thin and deformable, and in combination with a pouring pump, it is possible to eliminate the invasion of external air, to suppress the deterioration of the content liquid and to reduce the content. Since no air is trapped in the body, the contents can be smoothly poured out regardless of the posture of the container.
[0060]
In addition, the body of the disposable body is thin, and the container can be made more resource-saving. In addition, if the exterior cylinder and the bottom lid are made opaque, deterioration of the appearance due to deformation of the content can be prevented.
[0061]
In the invention according to claim 8, the content body is simply inserted into the exterior cylinder and the bottom lid is assembled, whereby the content is placed between the bottom wall of the bottom lid and the top wall of the exterior cylinder. By pinching, the contents can be easily assembled and fixed to the outer cylinder so that the contents cannot be relatively moved in the vertical direction.
[0062]
According to the ninth aspect of the present invention, in the blow molding, the body portion may be formed to be sufficiently thin so as to be able to freely wither and deform while securing the rigidity sufficient for assembling by making the mouth portion thick. Thus, it is possible to provide a content body having a shape that exhibits necessary and sufficient functions with high productivity and at low cost.
[0063]
According to the tenth aspect, a pouch-shaped container can be used as the content body.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view showing a first embodiment of a container of the present invention in a disassembled state.
FIG. 2 is a semi-longitudinal front view showing a state in which the content body is inserted into the outer casing and the bottom cover is fitted in the container of FIG. 1;
FIG. 3 is an enlarged front view of a main part showing a partially assembled state of the container of FIG. 1;
FIG. 4 is an enlarged front view of a main part, showing another example of a method of assembling the outer cylinder and the inner body.
FIG. 5 is a semi-longitudinal sectional front view showing a state in which a content body is inserted into an outer cylinder and a bottom cover is fitted thereto in the second embodiment of the container of the present invention.
FIG. 6 is an enlarged front view showing a main part of the container of FIG. 5;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1; Exterior cylinder 2; Top wall 3; Opening 4; Trunk 6; Fitting hole 7; Bottom lid 8; Pressing piece 9; Shoulder portion 17; Fitting peripheral line 18; Nipping peripheral line 21; Outlet pump 22; Suction pipe 22a; Outer flange peripheral line 23; Cap body 24; Flange 25; Packing 27; Cover cap 28;

Claims (10)

A cylindrical outer cylindrical body (1) having a top wall (2) having an opening (3) forming an outer shell, and a cylindrical body (13) for containing a liquid content; The inner body (11) housed in the outer cylinder (1) with the mouthpiece (12) protruding from the opening (3) and the lower end of the outer cylinder (1) are detachable. It has a bottom lid (7) to be assembled, and has a non-rotatable fit between the lower end of the mouthpiece (12) of the inner body (11) and the opening (3) of the outer casing (1). A replacement formed by forming a joint portion and assembling the content body (11) with the outer cylinder (1) so as not to rotate relative to each other and to move relative to each other in the vertical direction using the top wall (2). Mold double container. A fitting rim (17) is provided around the lower end of the mouthpiece portion (12), and cannot rotate between the fitting rim (17) and the opening (3) of the outer cylinder (1). The replaceable double container according to claim 1, wherein the double container is configured to form a simple fitting portion. The replaceable double container according to claim 2, wherein the fitting portion is formed by forming the shape of the outer peripheral edge of the fitting circumferential strip (17) and the opening (3) as a regular polygon having a quadrangle or more. When the shoulder (14) of the inner body (11) abuts on the outer cylindrical body (1) and the top wall (2), the outer body (1) becomes incapable of relatively moving the inner body (11) upward. 4. A replaceable double container according to claim 1, wherein the double container is assembled. The cap-like cap body (23) is screwed to the mouthpiece (12) of the inner body (11), and the lower end surface of the cap body (23) is brought into contact with the top wall (2). The replaceable double container according to claim 1, 2, 3 or 4, wherein the inner body (11) is assembled to the outer cylindrical body (1) so as to be unable to relatively move downward. The replaceable double container according to claim 1, 2, 3, 4, or 5, further comprising a pouring pump (21) closely assembled to the mouthpiece (12) of the inner body (11). 7. The replaceable double container according to claim 6, wherein the body (13) of the content body (11) is made thin so as to be deflated and deformable. The content body (11) is sandwiched between the bottom wall of the bottom lid body (7) and the top wall (3) of the exterior cylinder body (1), and is attached to the exterior cylinder body (1) so as to be incapable of relative movement in the vertical direction. The replaceable double container according to claim 1, 2, 3, 4, 5, or 6, which is fixed. 9. The replaceable double container according to claim 1, wherein the blow-molded content body (2) is used. 9. The replaceable double container according to claim 1, wherein a pouch-shaped container is used as the body (2).

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