JP4107585B2 - Replacement type double container - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to a synthetic resin replaceable double container comprising an outer body forming an outer shell and a content body having a thin body portion for containing a content liquid.
[0002]
[Prior art]
For example, Patent Document 1 has a description regarding a synthetic resin double container composed of an outer container and an inner container, particularly for use in a high-grade cosmetic liquid, and the inner container is thinly placed inside an outer container having a high self-shape holding ability. As a stacked container with stacked containers, a pumping pump is attached, the inner container is deformed as the content liquid is poured, and external air does not enter the inner container. It is set as the structure which suppresses.
[0003]
On the other hand, recently, from the viewpoints of environmental problems and resource saving, containers that can be used repeatedly, or methods for reducing the amount of waste as much as possible, have been required for products. Looking at the double container composed of the members, for example, it is required that the inner container be replaced and the other members be repeatable.
[0004]
[Patent Document 1]
Japanese Patent Laid-Open No. 10-59357
[Problems to be solved by the invention]
However, in order to make the container as described above, that is, a replaceable container, the replacement by the user can be performed easily and reliably, in particular, the sealing of the inner container is reliably maintained, and the container is disposable. It is required that the inner container can be provided at a low cost.
[0006]
The present invention is intended to solve the above-described problems, and the problems can be easily and reliably implemented by the user, the inner container is securely sealed, and is disposable. An object of the present invention is to provide a replaceable double container that can provide a low-cost part.
[0007]
[Means for Solving the Problems]
Of the present invention for solving the above technical problem, the means of the first invention is:
An outer container that forms an outer shell, a contents body that contains the contents liquid, a top wall that has an opening at the center, and a double cylinder having an outer cylinder piece and an inner cylinder piece. Having an assembled cap to be assembled and a pouring pump that is closely assembled to the mouth tube portion of the content body;
Between the outer cylinder piece and outer container upper end of the cap with assembly and between the inner cylinder piece and the mouth tube part of the contents body, the first assembly part and the first assembly part that are tightened using the inclined surface by relative rotation Forming two assembled parts,
Forming a first crossover locking portion and a second crossover locking portion having a function of preventing the looseness of the first assembled portion and the second assembled portion between the assembled cap body, the outer container, and the content body, respectively;
It is in.
[0008]
The replaceable double container having the above-described configuration according to the first aspect of the present invention can be used with at least the contents replaced by removing the contents from the assembled cap. In addition, when the content liquid is poured out by the dispensing pump attached to the mouth tube portion of the content body, the thin-walled body portion is deflated (volume-reduced) as the content liquid decreases, and no external air enters. In addition to suppressing the deterioration of the content liquid, the content body cannot retain air, so that the content liquid can be smoothly poured out regardless of the attitude of the container.
[0009]
The outer shell forming the outer shell covers the contents through an assembled cap to ensure handling, safety, and self-supporting of the container during use, and to maintain a good appearance. Demonstrate.
[0010]
Here, between the outer cylinder piece of the cap with assembly and the upper end portion of the outer container and between the inner cylinder piece and the mouth tube portion of the content body, with a first set of tightening shape using a slope by relative rotation By forming the part and the second assembled part, it is tightening using the inclined surface, so that the external body or the content body can be securely assembled to the assembled cap by the normal force of the user, It is possible to easily achieve the overriding locking at the below-described overcoming locking portion.
[0011]
In addition, the first and second over-engagement locking portions having the function of preventing loosening of the respective assembled portions are formed between the assembled cap body, the outer container, and the content body, so that the tightened state can be reliably secured. In addition, it is possible to make sure that the user is surely assembled by the touch or sound of the hand at the time of overcoming locking.
[0012]
Also, when removing the outer body or contents from the cap with assembly, it should be removed by unlocking the crossover locking part, but it must be consciously applied with a relatively large force. Can be prevented.
[0013]
In this way, the tightened assembly using the inclined surface by relative rotation between the outer cylinder piece of the assembly cap and the upper end portion of the outer container and between the inner cylinder piece and the mouth tube portion of the content body Forming the crossover locking portion having a function of preventing the loosening of the assembled portion between the assembled cap body and the outer container and the content body, respectively. Assembling and dismounting can be easily achieved, and the pumping pump is attached to the mouth tube portion of the content body by using a secure and loose assembly of the assembled cap body and content body, and its sealing performance Can be reliably maintained.
[0014]
The means of 2nd invention exists in using the content body which is blow-molded and has a thin-walled body in 1st invention .
[0015]
With the above configuration of the second aspect of the invention , in blow molding, the barrel portion to be assembled to the assembled cap is made thick and sufficiently rigid to withstand assembly, while the body portion is made thin enough to be freely deflated and deformable. Since it can be molded, it is possible to provide a content body having a high productivity and a shape that exhibits necessary and sufficient functions at low cost.
[0016]
According to a third aspect of the invention , in the first or second aspect of the invention ,
The content body is configured to be assembled to the assembled cap via the inner cap body,
The inner cap body has a cylindrical assembly cylinder that fits and is fixed by fitting the inner tube portion of the content body, and is gripped to grip the content body on the outer side of the assembly cylinder via an outer peripheral piece. Comprising a tube,
It is in.
[0017]
Although the body of the contents body is thin, the above-described configuration of the third invention allows the contents body and the inner cap body to be handled as a unit. Since it can be gripped and applied with sufficient force to perform relative rotation with the assembled cap, the sealed state of the content body can be ensured more reliably, and the assembled cap and content body Can be easily unlocked and removed more easily.
[0018]
According to a fourth aspect of the present invention , in the first, second, or third aspect of the invention , the second assembled portion of the content body and the inner cylinder piece is formed by screwing.
[0019]
In the above-described configuration of the fourth invention , the tightened assembly portion using the inclined surface is formed by screwing, and the tightening assembly of the contents body and the inner cylinder piece is reliably performed by screwing. As a result, the sealing property of the contents can be more reliably achieved.
[0020]
According to a fifth aspect of the present invention , in the first , second , third or fourth aspect of the invention , the first assembled portion between the outer body and the outer cylinder piece can be assembled by relative rotation of a half or less. To do.
[0021]
The above-described configuration of the fifth aspect of the present invention is a configuration in which an assembly of an outer container that is not particularly required to be sealed is configured in consideration of the convenience at the time of the user's replacement work. The assembly and removal of the outer container can be achieved.
[0022]
According to a sixth aspect of the present invention , in the fifth aspect of the invention , a plurality of inclined ridge pieces are provided on the outer peripheral surface of the upper end portion of the outer container and the inner peripheral surface of the outer cylinder piece in a one-to-one relationship. The first set portion is formed with the side surface of the piece as an inclined surface.
[0023]
With the above configuration of the sixth aspect of the invention , for example, by attaching inclined ridges at four locations at equal central angles, a simple structure can be obtained and a tightened assembly can be reliably achieved by a single turn. Can do.
[0024]
The means of the seventh invention is the fifth invention , in the fifth invention ,
Attaching a plurality of projecting pieces to the outer peripheral surface of the outer cylinder piece;
At the upper end of the outer peripheral surface of the outer container, the same number of inclined surface forming portions, each having an inclined surface at the lower end surface and formed with a locking recess at the lower end of the inclined surface, are provided at positions facing the projecting pieces.
The projecting piece descends along the inclined surface by the relative rotation of the cap with the assembly and the outer container, and climbs over the locking recess to be locked.
Forming the first set-attached portion and the first crossing locking portion with the projecting piece and the slope forming portion;
It is in.
[0025]
According to the seventh aspect of the present invention , the protruding piece and the slope forming portion together with the assembled portion form a crossing locking portion, and there is no need to provide a crossing locking portion for preventing loosening. Since the turning over the inclined surface of the piece is completed and the overcoming locking is achieved, the operability and the operational feeling are excellent.
[0026]
According to an eighth aspect of the present invention , in the first, second, third, fourth, fifth, sixth or seventh aspect, at least one of the locking portions forming the first crossover locking portion and the second crossover locking portion is provided. It is to be formed to be deformable so as to be easily locked and unlocked.
[0027]
According to the above-described configuration of the eighth invention , it is possible to achieve overcoming locking and unlocking with a relatively small force, and also a feeling that includes the generation of sound particularly during overcoming locking due to elastic deformation, so-called click. A feeling can be clearly given.
[0028]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 to 5 show a first embodiment of a replaceable container according to the present invention. The container of the present embodiment is constituted by four members, that is, an outer container 1, a content body 2, an assembled cap 21, and a dispensing pump 41. The content body 2 is accommodated in the outer container 1, and the outer container 1 is a first container. The assembled body F is assembled to the assembled cap 21 by the assembled section F1, and the outer container 1 and the content body 2 are assembled and fixed through the assembled cap 21 to form a double container. To do.
[0029]
In addition, the first crossover locking portion K1 and the second crossover locking portion K2 that exhibit the function of locking with the assembly are formed on the first combined portion F1 and the second combined portion F2, respectively. The dispensing pump 41 is closely attached to the mouth tube portion 6 of the content body 2 by the tightening force of the assembly portion F2.
[0030]
2A and 2B are a plan view and a partial longitudinal front view of the outer container 1. Bottomed cylindrical in and wall is molded relatively thick, which forms the outer shell of the double container, the upper end portion inclined projection piece to form formed a first set-in portion F1 8 Are attached at four locations at equal central angles. Further, a small hole 14a for air circulation is formed in the bottom wall.
[0031]
Further, at the upper end of the peripheral wall, slits 11a are formed on both the left and right sides, and locking pieces 11b that form one of the first crossing locking portions F1 are formed at four equal central angles. The locking piece 11b is relatively thin and can be easily deformed inward and outward by the action of the slits 11a on both sides, and the user can easily get over and lock the first ride over lock K1. Can be implemented.
[0032]
FIG. 3 shows the content body 2, which is blow-molded, and the cylindrical body portion 5 is formed to be thin and deformable. Further, the upper end portion of the mouth tube portion 6 is provided with a thread 7 that forms the second set portion F2, and below it is provided with a locking circumferential line 16 that forms the second crossing locking portion K2.
[0033]
FIG. 4 shows an assembled cap 21, which has an outer cylinder piece 23 assembled to the outer container 1 and an inner cylinder piece 24 assembled to the content body 2, and the engaging piece 11 b of the outer container 1 and the first crossing engagement member. A suspended latching short cylindrical piece 26 that forms a stop portion K1, and a hanging latching cylindrical piece 25 that forms a locking peripheral strip 16 of the contents body 2 and a second overpass locking portion K2 are suspended from the top wall 28, In addition, an opening 31 is formed at the center of the top wall 28, and a cover cylinder piece 32 is provided upright to surround the opening 31 and cover the dispensing pump 41. Note that a vertical slit is formed at the lower end of the hanging lock cylinder piece 25 to facilitate the deformation and to make it easy to get over and unlock the second ride over lock K2.
[0034]
In addition, inclined protrusions 27 are provided at four locations on the inner peripheral surface of the outer cylinder piece 23, together with the inclined protrusions 8 of the outer container 1, to form a first set portion F 1. A screw 36 is attached to the inner peripheral surface, and a second set portion F2 is formed together with the screw 7 of the mouth tube portion 6 of the content body 2. Further, in order to facilitate the turning operation by hand, a large number of recesses are formed on the outer peripheral surface of the outer cylinder piece 23.
[0035]
Hereinafter, the assembly state, use state, and particularly the replacement method of the contents body 1 of the replacement double container of the first embodiment comprising the above-mentioned four members will be described. (Mainly see Figure 5)
The flange 43 of the dispensing pump 41 is sandwiched between the lower surface of the opening 31 peripheral edge of the top wall 28 of the assembled cap 21 and the upper end surface of the mouth tube portion 6 of the content body 2 via a packing 44, and the inner cylinder piece The assembly cap 21 and the contents body 2 are rotated relative to each other until the second ride-over locking portion K2 is formed to form the second assembly portion F2.
[0036]
At this time, the user can recognize that the assembling operation has been reliably performed by the touch accompanied by the generation of sound, that is, the so-called click feeling, at the time of recovery of the deformation of the distal end portion of the hanging lock cylinder piece 25.
[0037]
Further, the tightening force by the screwing ensures the sealing performance of the assembly of the pumping pump 41 and the mouth tube portion 6, and the second crossing locking portion K2 can eliminate the loosening of the tightening force. Sex can be reliably maintained.
[0038]
Although the outer container 2 is assembled to the outer cylinder piece 23 of the assembled cap 21, the first assembled portion K1 is formed by the inclined protruding strip pieces 8 and 27 attached to four locations on the circumference, so that the center angle It can be assembled by turning about 90 °, the outer container 1 can be easily assembled and removed for the user, and the assembled state can be reliably maintained by the first crossover locking portion K1. it can. In addition, the formation location of the inclined protrusion strips 8 and 27 is not limited to the four locations of the present embodiment, and can be selected in consideration of the assembly strength, the ease of operation, and the like.
[0039]
In such an assembled state, the content liquid is poured out and used by the pumping pump 41, but the thin body 5 of the content body 2 is deflated and deformed (reduced volume deformation) by the amount of the content liquid reduced. The air does not enter from the inside, the deterioration of the quality of the content liquid can be suppressed, and since a large amount of air cannot be retained, stable dispensing can be achieved regardless of the attitude of the container.
[0040]
Next, in the replacement operation of the contents, by making one of the first and second crossing over locking portions K1, K2 into a locking piece 11b and a hanging locking cylinder piece 25 that are easily deformed. The outer container 1 and the content body 2 can be easily unlocked from the assembled cap 21, and the first and second assembled portions F1 and F2 in a reverse direction relative to the tightened shape using the inclined surface. Since it can be removed by rotation, only the content body 2 containing the content liquid can be used as a replacement part, and the other three members can be used repeatedly.
[0041]
6 to 11 show a second embodiment of the replaceable container according to the present invention. The container of the present embodiment is composed of five members, that is, an outer container 1, a content body 2, an assembled cap 21, an inner cap 22, and a dispensing pump 41. Compared to the first embodiment, the inner cylinder piece 24 of the assembled cap 21 and the mouth tube portion 6 of the contents body 2 are assembled via the inner cap body 22. Is made easier to remove.
[0042]
FIGS. 7A and 7B show the outer container 1. FIG. 7A is a plan view and FIG. 7B is a partially vertical front view. FIG. 7C is a half vertical front view of the bottom cover 14. Removable configuration.
[0043]
In addition, a slope having an inclined surface 9a at the lower end surface and an engaging recess 9b formed at the lower end portion of the inclined surface 9a is formed at the upper end portion together with the first assembled portion F1 and the first crossing engagement portion K1. The formation part 9 is attached to four places at equal center angles. In addition, a notch 10 is formed between adjacent slope forming portions 9 through which a projecting piece 29 attached to an outer cylinder piece 23 of the assembled cap 21 described later passes.
[0044]
FIG. 8 shows the content body 2, which is substantially the same as the content body 2 of the first embodiment (see FIG. 3), but has no thread, and is assembled to the inner cap body 22 (to be described later) in a climbing engagement manner. A locking circumferential shape 17 is provided around.
[0045]
FIG. 9 shows an assembled cap 21, which has an outer cylinder piece 23 assembled to the outer container 1 and an inner cylinder piece 24 assembled to the content body 2 via an inner cap body 22 described later. On the outer peripheral surface of 23, together with the slope forming body 9 of the outer container 1, small columnar projecting pieces 29 that form the first assembled portion F 1 and the first crossing locking portion K 1 are attached at four positions with equal central angles. It is a configuration.
[0046]
FIG. 10 shows an inner cap body 22, which has a cylindrical assembly tube 33 into which the mouth tube portion 6 of the contents body 2 is fitted and fixed, and an outer periphery around the assembly tube 33. A gripping cylinder 34 for gripping the content body 2 via a piece 30 and a locking cylinder piece 35 are provided, and a knurling for facilitating a rotation operation is provided on the outer peripheral surface of the gripping cylinder 34. Is formed.
[0047]
A thread is attached to the outer peripheral surface of the assembled cylinder 33, and the second assembled section F <b> 2 is formed together with the thread of the inner cylinder piece 24 of the assembled cap 21, and the locking cylinder piece 35 is formed of the inner cylinder piece 24. A second crossing locking portion K2 is formed between the outer peripheral surface and the outer peripheral surface.
[0048]
Hereinafter, in the replaceable double container of the second embodiment comprising the above-mentioned five members, the locking cylinder 17 is locked to the upper end surface of the assembled cylinder 33, and the assembled cylinder 33 is attached to the mouth tube portion 6. In the state where the inner cylinder piece 24 and the assembled cylinder 33 are screwed together, the assembled cap 21 and the inner cap body 22 are rotated relative to each other until the second ride-over locking portion K2 is formed. A two-set portion F2 is formed. (Mainly refer to FIG. 11)
[0049]
At this time, since the outer cylinder piece 23 of the assembled cap 21 and the gripping cylinder 34 of the inner cap body 22 are grasped and rotated, a sufficient force can be applied, and the second assembled portion F2 and the second The squaring crossing locking portion K2 can be formed more easily, and conversely, the detaching operation of the content body 2 including the unlocking can be more easily performed.
[0050]
In the second embodiment, it is convenient to integrate the content body 2 and the inner cap body 22 as a replacement part, and from the point of separation and collection, the content body 2 and the inner cap body 22 are resin of the same system. It is preferable to create it.
[0051]
Further, in this embodiment, the first assembled portion F1 and the first crossing locking portion K1 are formed by the inclined surface forming portion 9 of the outer container 1 and the small columnar projecting piece 29 of the assembled cap 21. The protrusion 29 is lowered along the inclined surface 9a by being aligned and pushed into the notch 10 at the upper end portion of the outer container 1, and further relatively rotated, and finally gets over and locked in the locking recess 9b (mainly FIG. 7), assembly can be easily achieved by a short-distance rotation, and at the same time the overturning is achieved, the operability and the operational feeling are excellent. In addition, the attachment location of the slope formation part 9 and the protrusion piece 29 is not limited to 4 places of a present Example, It can select in consideration of assembly | attachment intensity | strength, the simplicity of operation, etc.
[0052]
FIG. 12 shows another example of the outer container 1, and instead of the slits 11a (see FIG. 2) in the first embodiment, the peripheral slits 13a are formed by leaving the connecting pieces 13b at four positions with equal central angles. And the upper end part of the surrounding wall which forms one side of the 1st riding over latching | locking part K1 is comprised easily.
[0053]
FIG. 13 and FIG. 14 show another example of the combination of the first ride-over locking portion K1 and the second ride-over locking portion K2 in the configuration in which the inner cap 22 shown in the second embodiment is added to the member. In FIG. 13, a first crossover locking portion K1 is formed between the upper end portion of the inner peripheral surface of the outer cylinder piece 23 and the upper end portion of the outer peripheral surface of the outer casing 1, and the second crossover locking portion K2 is formed. Is the same as in the second embodiment. In this example, the outer container 1 shown in FIG. 12 is used.
[0054]
In the example of FIG. 14, the first crossing locking portion K <b> 1 is the same as that of the first embodiment, and the locking circumferential shape 33 a attached to the assembled cylinder 33 of the inner cap body 22 and the lower end of the inner circumferential surface of the inner cylinder piece 24. A second crossing locking portion K2 is formed between the portions. The first set portion F1 is the same as that in the first embodiment.
[0055]
Needless to say, the configuration of the present invention is not limited to the configurations of the first and second embodiments. For example, as in the examples related to the crossing locking portions shown in FIGS. Various other forms can be selected for the formation of the locking portion, and various structures of two assembled portions and two crossing locking portions can be used in combination, and the inner cap body 22 is used. It can be selected in consideration of the purpose of use, manufacturing cost, etc.
[0056]
【The invention's effect】
Since the present invention has the above-described configuration, the following effects can be obtained.
In the first invention , between the assembled cap, the outer container, and the content body, a tightened assembled portion using a slope is formed by relative rotation, and each assembled Assembling and removing the assembled cap body, outer container body and contents body can be achieved easily and reliably, and the sealing performance of the dispensing pump. Can be ensured.
[0057]
In the second invention , in the blow molding, the mouth tube portion assembled to the assembled cap is thickened, and the body portion is thin enough to be freely deformable while ensuring sufficient rigidity to withstand assembly. Therefore, it is possible to provide a content body having a shape that exhibits necessary and sufficient functions at high cost and high productivity.
[0058]
In the third aspect of the invention , the gripping cylinder having a large diameter of the inner cap body can be gripped by hand and a relative turning operation with the assembled cap can be performed with sufficient force. The sealed state of the contents body can be reliably ensured, and the assembled cap and the contents body can be easily unlocked and removed more easily.
[0059]
In the fourth aspect of the invention , the tightened assembly of the content body and the inner cylinder piece can be reliably achieved by screwing, and as a result, the sealing performance of the content body can be more reliably achieved.
[0060]
In the fifth aspect of the invention , the assembly of the outer container, which does not particularly require a sealing property, is configured in consideration of the convenience at the time of the user's replacement work. The assembly and removal of the outer container can be achieved.
[0061]
In the sixth aspect of the invention , for example, by attaching inclined protrusions at four locations at equal central angles, a simple structure can be achieved and a tightened assembly can be reliably achieved by a single twist. Can do.
[0062]
In the seventh invention , the projecting piece and the inclined surface forming part form a crossing locking part together with the assembled part, and at the same time the rotation along the inclined surface of the projecting piece is finished, the climbing locking is performed. Therefore, the operability and the operational feeling are excellent.
[0063]
According to the eighth aspect of the invention , it is possible to achieve overcoming locking and unlocking with a relatively small force, and also to feel a sound accompanied by generation of sound, particularly at the time of overcoming locking due to elastic deformation, so-called A click feeling can be clearly given.
[Brief description of the drawings]
FIG. 1 is a front view showing a container according to a first embodiment of the present invention, with a part thereof being irregularly cut vertically.
2A is a plan view and FIG. 2B is a partially longitudinal front view showing an outer container of the container shown in FIG. 1. FIG.
3 is a front view showing the contents of the container of FIG. 1. FIG.
FIG. 4 is a half longitudinal front view showing a cap with a set of containers of FIG. 1;
FIG. 5 is a partially longitudinal front view showing an enlarged main part of FIG. 1;
FIG. 6 is a front view showing a container according to a second embodiment of the present invention, partially irregularly cut vertically.
7A is a plan view, FIG. 7B is a partially vertical front view, and FIG. 7C is a half vertical front view of the bottom lid, showing the outer container of the container of FIG.
FIG. 8 is a front view showing the contents of the container of FIG. 6;
9 is a half longitudinal front view showing a cap with a set of containers of FIG. 6. FIG.
FIG. 10 is a half longitudinal front view showing an inner cap body of the container of FIG.
FIG. 11 is a partially longitudinal front view showing an enlarged main part of FIG. 6;
FIG. 12A is a plan view and FIG. 12B is a half longitudinal front view showing another example of the outer container.
FIG. 13 is an enlarged front view of a principal part, showing another example of the ride-over locking portion irregularly cut vertically.
FIG. 14 is an enlarged front view of the main part, showing still another example of the ride-over locking portion irregularly cut partially vertically.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1; Outer body 2; Contents body 4, 5; Body part 6; Mouth part 7; Screw 8; Inclined protrusion piece 9; Inclined surface formation part 9a; Inclined surface 9b; 11b; locking piece 13a; circumferential slit 13b; connecting piece 14; bottom cover 14a; small holes 16, 17; locking circumferential line 21; assembled cap 22; inner cap 23; Drooping cylinder piece 26; Drooping short cylinder piece 27; Inclined ridge piece 28; Top wall 29; Projection piece 30; Outer peripheral piece 31; Opening 32; Cover cylinder piece 33; Stopper 34; gripping cylinder 35; locking cylinder piece 36; screw 41; dispensing pump 42; suction pipe 43; flange 44; packing F1; first assembly portion F2; 1st overpass lock part K2; 2nd overpass lock part

Claims (7)

It has an outer container (1) that forms an outer shell, a content body (2) that contains the content liquid, and a top wall (28) that opens at the center, and an outer cylinder piece (23) and an inner cylinder piece (24). A double-cylindrical shape having a cap and a cap (21) with which the outer body (1) and the content body (2) are assembled, and a pouring that is closely assembled with the mouth tube portion (6) of the content body (2) It has a pump (41), the outer cylinder piece (23) of the assembled cap (21), the upper end of the outer body (1), the inner cylinder piece (24), and the mouth cylinder (6) of the contents body (2). The first assembly portion (F1) and the second assembly portion (F2) are tightened using relative slopes by relative rotation, and the assembly cap (21) and the outer First crossover having a function of preventing loosening of the first assembly portion (F1) and the second assembly portion (F2) between the container (1) and the content body (2), respectively. Stop unit (K1) and a second ride-over locking unit forms a (K2), a structure of assembling a set cap (21) via the inner cap member (22) the contents body (2), the inner cap The body (22) has a cylindrical assembly tube (33) in which the mouth tube portion (6) of the content body (2) is fitted and fixed, and is externally attached to the outside of the assembly tube (33). A replaceable double container having a structure in which a gripping cylinder (34) for gripping the content body (2) is provided via a collar piece (30) .   2. A replaceable double container according to claim 1, wherein the contents (2) are blow molded and have a thin body (5). The replaceable double container according to claim 1 or 2 , wherein the second assembly portion (F2) of the content body (2) and the inner cylinder piece (24) is formed by screwing. The changeable die 2 according to claim 1, 2 or 3 , wherein the first assembly portion (F1) of the outer container (1) and the outer cylinder piece (23) can be assembled by a relative rotation of less than half a circumference. Heavy container. A plurality of inclined ridge pieces (8, 27) facing each other one-to-one on the outer peripheral surface of the upper end of the outer container (1) and the inner peripheral surface of the outer cylinder piece (23) are provided, and the inclined ridge pieces (8 27) The replaceable double container according to claim 4 , wherein the first paired portion (F1) is formed with the side surface of 27) as an inclined surface. A plurality of projecting pieces (29) are provided on the outer peripheral surface of the outer cylinder piece (23), the outer peripheral body (1) has an inclined surface (9a) on the inner peripheral surface upper end portion, and a lower end surface. The same number of inclined surface forming portions (9) having locking recesses (9b) formed at the lower end portions thereof are provided at positions facing the projecting pieces (29), and the assembled cap (21) and outer container (1) By the relative rotation, the projecting piece (29) descends along the inclined surface (9a) and climbs over and engages with the engaging recess (9b). The projecting piece (29) and the slope forming part (9) The replaceable double container according to claim 4, wherein the first assembled portion (F1) and the first crossing locking portion (K1) are formed. Claims wherein at least one of the locking portions forming the first overpass locking portion (K1) or the second overpass locking portion (K2) is formed so as to be deformable so that the overpass locking and the unlocking are easy. Item 7. The replaceable double container according to Item 1, 2, 3, 4, 5 or 6 .

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