JP4555493B2 - container - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention contains a desiccant that absorbs moisture in the air enclosed in the air and moisture in the air that enters from the outside, and constantly keeps the inside in a dry state so that the contents contained in the interior are protected from moisture. The present invention relates to a container to be protected, and more particularly to a container for storing a test piece used for blood or urine analysis.
[0002]
[Prior art]
An example of content that dislikes moisture is a test piece used for blood and urine analysis. This test piece has recently been simple, the results are readily apparent, and daily self-management is possible. Therefore, it is often used for blood and urine analysis. However, this test piece is extremely sensitive to moisture (humidity), and must be completely held for at least two years so that the test piece does not deteriorate due to moisture (humidity).
[0003]
Therefore, test pieces are usually packaged individually in one-piece units using a packaging material that has an aluminum foil layer and an aluminum vapor deposition layer and a heat-adhesive resin layer on the inner surface, and encapsulates a desiccant such as silica gel together. It is held in a sealed state.
[0004]
However, the test piece individually packaged in this way needs to be opened every time it is used. However, because of the compact packaging form, the opening operation is quite complicated and the packaging cost is high. However, there is a problem that the environmental load is large because the packaging material is discarded each time.
[0005]
[Problems to be solved by the invention]
Therefore, the present invention has been made in view of the above-described problems, and the object of the present invention is to eliminate the individual packaging of the contents that dislike moisture such as a test piece. Eliminates complicated opening operations during use, (2) reduces packaging costs, and (3) saves resources and preserves the environment, and keeps the interior dry during use. It is an object to provide a container having excellent airtightness capable of protecting the water from moisture. Furthermore, it is to provide such a container with high productivity and low cost.
[0006]
To achieve the above Symbol purpose, the container of the present invention is a container for containing the contents dislike moisture, provided a circular partition plate having moisture permeability on one opening side inner surface of the container body of cylindrical shape The container main body is divided into two parts, the one opening of the container main body is sealed with a bottom cover to provide a desiccant chamber, and the other opening is closed with a top cover to provide a content storage chamber The upper lid has an annular outer peripheral wall and a U-shaped outer peripheral plate, and an annular inner peripheral wall concentric with the annular outer peripheral wall provided inside the annular outer peripheral wall of the outer peripheral plate via an annular gap. The annular outer peripheral wall side surface of the upper lid is provided with at least one inner peripheral wall outer surface annular projection that contacts the inner surface of the other opening side of the container body, and the annular outer peripheral wall Concentric direction between the inner surface and the tip of the inner wall outer surface annular projection Distance, the smaller than the other of the thickness of the peripheral wall of the opening side of the container body, said at the annular gap portion of the top cover is held to the other of the peripheral wall of the opening side of the container body, provided in the upper cover the The other opening of the container body is closed by the concentric elasticity of the annular outer peripheral wall and the annular inner peripheral wall .
[0007]
By comprising in this way, while having desiccant, such as a silica gel, enclosed in a desiccant chamber, the airtight container which can accommodate the content which dislikes a water | moisture content in a content storage chamber can be obtained. In addition, the content storage chamber is provided so that the desiccant such as silica gel enclosed in the desiccant chamber absorbs moisture in the content storage chamber through the circular partition plate having moisture permeability and always keeps the content storage chamber dry. The contents that dislike the water contained in the container are completely maintained in a normal state without causing a functional deterioration due to the water. Moreover, the structure for improving the airtightness of an upper cover and a container main body can be taken by comprising in this way.
[0008]
In the above invention, at least one container body inner surface annular groove corresponding to the inner peripheral wall outer surface annular protrusion is provided on the inner surface of the container body on the other opening side, and the container body inner surface annular groove and the inner peripheral wall outer surface are provided. It is good also as a structure which the annular protrusion engages and the other opening part of the said container main body is obstruct | occluded with the said upper cover.
[0009]
Further, in the above invention, at least one container body inner surface annular protrusion that engages with the inner peripheral wall outer surface annular protrusion is provided on the inner surface of the container body on the other opening side, and the inner peripheral wall outer surface annular protrusion is the container body. It is good also as a structure which got over the inner surface annular protrusion and engaged with each other, and the other opening part of the said container main body was obstruct | occluded with the said upper cover.
[0010]
In the above invention, the circular partition plate may be provided integrally with the container body. By adopting such a configuration, it is possible to contribute to improving the productivity of the container. Further, when the container body is molded by the injection molding method, a circular partition plate is inserted into the mold at the same time. Since it is integrally formed, it contributes to further productivity improvement.
[0011]
Further, in the above invention, the circular partition plate is provided by being fitted between double (two strips) annular ribs integrally formed on the inner surface of the container body, and the annular rib is provided on the bottom lid side. It is good also as a structure comprised so that the protrusion width of the said annular rib of the said upper cover side may become larger than the protrusion width of this annular rib. Such a configuration can also contribute to improving the productivity of the container.
[0012]
Further, in the above invention, a container body spiral thread groove on the outer surface of the other opening side of the container body, and a container body outer surface annular protrusion on the one opening side of the container body in the vicinity of the container body spiral thread groove Provided on the annular inner peripheral wall side surface of the annular outer peripheral wall of the upper lid is provided with an outer peripheral wall inner surface spiral screw groove that engages with the container main body helical screw groove, and the annular outer peripheral wall of the upper lid An annular claw that engages with the outer ring protrusion on the outer surface of the container body is provided at a peripheral end, and the spiral thread groove on the inner surface of the outer peripheral wall provided on the upper lid and the spiral thread groove on the container body provided on the container body. A structure in which the annular pawl provided on the upper lid is screwed together and gets over the annular projection on the outer surface of the container body provided on the container body to engage with each other to close the other opening of the container body with the upper lid. It is good.
[0013]
Moreover, the said invention WHEREIN: It is good also as a structure by which the space | gap part annular protrusion which contact | abuts to the top part of the surrounding wall of the other opening part of the said container main body is provided in the said annular space part of the said upper cover.
[0014]
By setting it as such a structure, the airtightness of an upper cover and a container main body can further be improved.
[0015]
In the above invention, the container according to claim 1 may be configured such that the bottom lid is sealed to the one opening of the container body by ultrasonic welding. By comprising in this way, a bottom cover can be easily attached to a container main body, and it can seal easily.
[0016]
DETAILED DESCRIPTION OF THE INVENTION
The above-described present invention will be described in detail below with reference to the drawings.
1 is a longitudinal sectional view showing a first embodiment of a container according to the present invention, FIG. 2 is a sectional view taken along line XX of FIG. 1, and FIG. 3 is a second embodiment of the container according to the present invention. FIG. 4 is a fragmentary longitudinal sectional view showing a third embodiment of the container according to the present invention, and FIG. 5 is a fragmentary longitudinal sectional view showing the fourth embodiment of the container according to the present invention. FIG. 6 is a longitudinal sectional view showing a fifth embodiment of the container according to the present invention, in which 1, 1 ′, 1 ″, 1 ′ ″, 1 ″ ″ are containers, “, 2 ″, 2 ′ ″, 2 ″ ″ are container bodies, 2a, 2b are openings of the container body, 3 is a bottom lid, 4, 4 ′, 4 ″ are top lids, and 5 is a circular partition. Plate, 6 is a radial rib, 7, 7 'are double (two) annular ribs, 21 is a container body inner surface annular protrusion, 22 is a container body inner surface annular groove, and 23 is a container body spiral screw groove , 24 is an annular protrusion on the outer surface of the container body, 40 is an outer peripheral plate, 4 Is an annular outer peripheral wall, 42 is an annular inner peripheral wall, 43 is an annular inner peripheral wall, 411 is an annular outer peripheral wall inner surface spiral screw groove, 412 is an annular claw, 413 is an annular annular protrusion, and 431 and 432 are annular rings on the inner peripheral wall. A protrusion, A is a desiccant chamber, B is a contents storage chamber, and α is a desiccant.
[0017]
FIG. 1 is a longitudinal sectional view showing a first embodiment of a container according to the present invention. The container 1 is a synthetic resin cylindrical container body 2, a bottom lid 3 and an upper lid 4 each having a perfectly circular cross section. And the circular partition plate 5 having moisture permeability, and the circular partition plate 5 is provided on the inner surface of the one side of the opening 2a of the container body 2 to divide the container body 2 into two parts. The opening 2a is sealed with the bottom lid 3, and the other opening 2b is closed with the top lid 4. The space on the bottom lid 3 side is the desiccant chamber A and the space on the top lid 4 side. Forms the content storage chamber B.
[0018]
Although not shown, the circular partition plate 5 is integrally formed at the same time by inserting the circular partition plate 5 into a mold when the container body 2 is molded by an injection molding method. Specifically, as shown in FIG. 2, the circular partition plate 5 is integrally provided on a radial rib 6 formed across the container body 2 by an insert injection molding method. In FIG. 2, the radial ribs 6 are formed in a shape of a circle and a ten, but this is an example, and in short, the moisture permeability of the circular partition plate 5 having moisture permeability is lowered. The rib is not particularly limited as long as the rib has a shape that does not hinder, and may be integrally fixed on the inner surface of the container body without providing the rib as described above.
[0019]
In addition, as a method of sealing one opening 2a of the container body 2 with the bottom lid 3, productivity, ease of work, certainty of sealing, difficulty in opening (the bottom lid 3 is opened by mistake) Even if it is going to be opened, it is not easy to open, and it is appropriate to use the ultrasonic welding method in consideration of the desiccant α such as silica gel can be reliably held in the desiccant chamber. As a matter of course, this sealing is performed after the desiccant chamber is filled with a desiccant α such as silica gel. The bottom lid 3 is also molded by an injection molding method like the container body 2.
[0020]
Next, a mechanism (method) for closing the other opening 2b of the container body 2 with the upper lid 4 will be described.
In this mechanism, the desiccant α enclosed in the desiccant chamber A absorbs moisture in the air enclosed in the content storage chamber B and moisture in the air entering from the outside, so that the inside is always in a dry state. In order to protect the contents held and contained in the interior from moisture, it is necessary to be a closing mechanism that ensures airtightness. Therefore, the closing mechanism shown in FIG. 1 has a U-shaped outer peripheral plate 40 in which the upper cover 4 has an annular outer peripheral wall 41, and an annular gap 42 is provided inside the outer peripheral peripheral wall 41 of the outer peripheral plate 40. An annular inner peripheral wall 43 concentric with the annular outer peripheral wall 41 is provided, and a surface on the annular outer peripheral wall 41 side of the annular inner peripheral wall 43 is slidable with an inner surface of the peripheral wall on the other opening 2b side of the container body 2. The inner peripheral wall outer surface annular protrusion 431 is provided in contact with the outer peripheral wall of the container body 2. The annular outer peripheral wall 41 and the annular inner peripheral wall 43 provided on the upper lid 4 via the annular gap 42 are provided on the container body 2. The other opening 2b of the container body 2 is slidably press-fitted into the peripheral wall so as to be closed by the upper lid 4 and is a highly airtight closing mechanism.
[0021]
By the way, such a highly airtight closing mechanism has a concentric distance between the inner surface of the annular outer peripheral wall 41 and the tip of the inner peripheral wall outer surface annular protrusion 431 on the other opening 2b side of the container body 2. This is achieved by making it smaller than the peripheral wall thickness, for example, about 0.1 to 0.5 mm. Further, the one inner circumferential wall outer surface annular protrusion 431 is formed in a substantially trapezoidal cross section without corners (the corners are chamfered in a rounded shape), and promises a smooth closing and opening, and also the outer surface of the one inner circumferential wall. The tip of the annular protrusion 431 abuts the inner surface of the container body 2 with the surface, so that the airtightness inside the container is reliably ensured. Further, airtightness is also ensured on the inner surface of the annular outer peripheral wall 41 of the upper lid 4 and the outer surface of the peripheral wall of the container body 2. This hermeticity is achieved by the concentric elasticity of the annular outer peripheral wall 41 and the annular inner peripheral wall 43 provided on the upper lid 4, and the annular outer peripheral wall 41 provided on the upper lid 4 and the annular inner peripheral wall 41. The inner wall outer surface annular protrusion 431 of the above-mentioned one line of the peripheral wall 43 can be obtained by pressure contact.
[0022]
FIG. 3 is a longitudinal sectional view of a main part showing a second embodiment of the container according to the present invention, and is a view showing a second embodiment in which the other opening of the container body is closed with an upper lid. The container body 1 ′ is a container body having a structure in which a single container body inner surface annular protrusion 21 that engages with the one inner wall outer surface annular protrusion 431 provided on the annular inner peripheral wall 43 of the upper lid 4 of the first embodiment is provided. 2 ', the annular outer peripheral wall 41 and the annular inner peripheral wall 43 provided in the upper lid 4 via the annular gap 42 are slidably press-fitted into the peripheral wall of the container body 2', and the upper lid The outer circumferential annular protrusion 431 of the inner peripheral wall provided in 4 overtakes the annular inner protrusion 21 of the container main body 2 ′ provided in the container main body 2 ′ and is engaged with each other to open the other opening 2b of the container main body 2 ′. Is closed with the upper lid 4, and the rest is the same as the container 1 of the first embodiment.
[0023]
And container 1 'is the same as the container 1 of 1st Embodiment, The distance of the concentric direction of the inner surface of the said annular outer peripheral wall 41 and the front-end | tip of the inner peripheral wall outer surface annular protrusion 431 of the said 1 item | strip | row is the said container main body 2. The thickness is smaller than the thickness of the peripheral wall on the other opening 2b side, for example, about 0.1 to 0.5 mm. In addition, the protruding dimension of the single container body inner surface annular protrusion 21 provided on the container body 2 is 0.05 to 0.20 mm, and the protruding dimension of the inner peripheral wall outer surface annular protrusion 431 is 0.05 to 1.0 mm. The inner circumferential wall outer surface annular projection 431 is formed in a substantially trapezoidal shape with no corners (the corners are chamfered in a rounded shape), and promises smooth closing and opening. The tip of the inner peripheral wall outer surface annular projection 431 abuts the inner surface of the container main body 2 with the surface, thereby ensuring the airtightness inside the container. Further, airtightness is also ensured on the inner surface of the annular outer peripheral wall 41 of the upper lid 4 and the outer surface of the peripheral wall of the container body 2. The airtightness is maintained by the concentric elasticity of the opening 2b of the annular outer peripheral wall 41 and the annular inner peripheral wall 43 provided on the upper lid 4 as described above.
[0024]
FIG. 4 is a longitudinal sectional view of a main part showing a third embodiment of the container according to the present invention, and is a view showing a third embodiment in which the other opening of the container body is closed with an upper lid. The container 1 ″ includes a container body 2 ″ provided with a single container body inner surface annular groove 22 on the inner surface of the peripheral wall on the other opening 2b side of the container body 2 of the first embodiment, and the annular shape of the upper lid 4. Instead of the single inner peripheral wall outer surface annular protrusion 431 provided on the inner peripheral wall 43, a single inner peripheral wall outer surface annular protrusion 432 corresponding to the single container main body inner surface annular groove 22 provided on the container main body 2 '' is provided. The container body inner surface annular groove 22 provided in the container body 2 ″ and the one inner peripheral wall outer surface annular protrusion 432 provided in the annular inner peripheral wall 43 of the upper cover 4 ′ are engaged with each other. The other opening 2b of the container main body 2 '' is configured to be closed by the upper lid 4 ', and the rest is the same as the container 1. Similar to the container 1, the container 1 ″ is slidable with the annular outer peripheral wall 41 and the annular inner peripheral wall 43 provided on the upper lid 4 ′ via the annular gap 42 on the peripheral wall of the container body 2 ″. Of the strip provided in the annular inner peripheral wall 43 of the upper lid 4 ′ in the annular groove 22 on the inner surface of the container body provided on the inner surface of the container body 2 ″ on the opening 2 b side. Airtightness is promised by engaging the peripheral wall outer surface annular projection 432. Note that the airtightness is maintained by the concentric elasticity of the opening 2b of the annular outer peripheral wall 41 and the annular inner peripheral wall 43 provided in the upper lid 4 'as in the first embodiment.
[0025]
In the third embodiment shown in FIG. 4, the annular inner peripheral wall 43 of the upper lid 4 ′ is provided with the inner peripheral wall outer surface annular protrusion 432 on the opening 2 b side of the container body 2 ″. Although the example in which the container body inner surface annular groove 22 is provided on the inner surface of the peripheral wall is illustrated, an annular protrusion is provided on the inner surface of the peripheral wall on the opening 2b side of the container body 2 '', and the annular groove is formed in the annular inside of the upper lid 4 '. It may be provided on the peripheral wall 43, and the annular protrusions or annular grooves are not limited to one, but may be plural.
[0026]
FIG. 5: is a principal part longitudinal cross-sectional view which shows 4th Embodiment of the container concerning this invention, and is a figure which shows 4th Embodiment which obstruct | occludes the other opening part of a container main body with an upper cover. The container 1 ′ ″ has a container body spiral screw groove 23 on the outer peripheral surface of the container body 2 on the other opening 2b side and one opening 2a of the container body 2 in the vicinity of the container body spiral screw groove 23 ( The container body 2 ′ ″ is provided with a container body outer surface annular projection 24 on the outer peripheral surface of the peripheral wall (not shown), and the container is formed on the surface of the annular outer peripheral wall 41 of the upper lid 4 on the annular inner peripheral wall 43 side. The outer peripheral wall inner surface spiral screw groove 411 screwed into the container main body spiral screw groove 23 provided on the outer peripheral surface of the other opening 2b side of the main body 2 ′ ″ and the periphery of the annular outer peripheral wall 41 of the upper lid 4 The container body is inserted into the annular claw 412 that engages with the container body outer surface annular projection 24 provided on the outer surface of the container body 2 ′ ″ on the other opening 2b side and the annular gap 42 of the upper lid 4 at the end. A gap annular projection 413 that contacts the top of the peripheral wall of the other opening 2b of 2 '''; The outer lid inner surface spiral screw groove 411 provided in the upper lid 4 ″ and the container main body spiral screw groove 23 provided in the container main body 2 ′ ″ are screwed together. Then, the inner peripheral wall outer surface annular protrusion 431 provided on the surface of the annular inner peripheral wall 43 of the upper lid 4 ″ on the annular outer peripheral wall side is arranged on the other opening 2b side of the container body 2 ′ ″. The annular claw 412 provided in the upper lid 4 ″ is slidably press-fitted into the inner surface of the peripheral wall, gets over the container body outer surface annular projection 24 provided in the container body 2 ″ ′, and engages with each other. The gap annular projection 413 provided on 4 ″ is in contact with the top of the peripheral wall of the other opening 2b of the container main body 2 ′ ″, and is otherwise closed. The same. By configuring in this way, at least the tip of the inner peripheral wall outer surface annular projection 431 of the upper lid 4 ″ abuts on the inner surface of the container body 2 ′ ″ and the gap of the upper lid 4 ″. Since the annular portion protrusion 413 contacts the top of the peripheral wall of the container body 2 ′ ″, the airtightness inside the container is reliably ensured.
For maintaining airtightness, the contact point between the inner peripheral wall outer surface annular protrusion 431 of the upper lid 4 ″ and the inner surface of the container body 2 ′ ″ is the annular shape provided on the upper lid 4 ″. Achieved by the concentric elasticity of the opening 2b of the outer peripheral wall 41 and the annular inner peripheral wall 43, the gap annular protrusion 413 of the upper lid 4 '' and the other opening 2b of the container body 2 ''' The abutment portion with the top of the peripheral wall is screwed into the outer peripheral wall inner surface spiral screw groove 411 provided in the upper lid 4 ″ and the container main body spiral screw groove 23 provided in the container main body 2 ′ ″. This is achieved by the tightening force (tightening pressure). By the way, in the container 1 ′ ″ of the fourth embodiment shown in FIG. 5, the gap portion annular protrusion 413 is provided on the upper lid 4 ″, but the first to third embodiments shown in FIGS. It is good also as a structure which does not provide the said space | gap part annular protrusion 413 like this embodiment.
[0027]
FIG. 6 is a longitudinal sectional view showing a fifth embodiment of the container according to the present invention. In the container 1 ″ ″, a circular partition plate 5 is integrally formed on the inner surface of one cylindrical opening. The container body 2 ″ ″ fitted between the double (two strips) annular ribs 7 and 7 ′, except for the container 1 of the first embodiment shown in FIG. The same. The double (two strips) annular ribs 7, 7 ′ are configured such that the annular rib 7 ′ on the bottom lid 3 side has a small projecting width, and the annular rib 7 on the top lid 4 side has a large projecting width. The circular partition plate 5 is configured to be easily fitted between the double (double) annular ribs 7 and 7 '. Although not shown, the container 1 '''' can naturally use the upper lid of the second to fourth embodiments shown in FIGS.
[0028]
In addition, the circular partition plate that has not been described so far is not particularly limited as long as it has moisture permeability. For example, paperboard or open-cell foam can be used. The container body, bottom lid, and top lid are not particularly limited as long as they are synthetic resins with excellent water vapor barrier properties. For example, high density polyethylene, polypropylene, etc. are cost, injection moldability, etc. Is appropriate.
[0029]
As described above, the container of the present invention has a more airtight occlusion mechanism, and keeps the interior of the test piece, such as a test piece, in a dry state during use. As a result, the content can be protected from moisture, and the product can be provided at low cost with high productivity. In addition, since the container of the present invention can directly store a plurality of contents that dislike moisture such as a test piece, it eliminates the troublesome opening work required for individual packaging and reduces the packaging cost. It can be connected to resources and resources, and has various excellent effects such as being environmentally friendly.
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional view showing a first embodiment of a container according to the present invention.
FIG. 2 is a cross-sectional view taken along line XX in FIG.
FIG. 3 is a longitudinal sectional view of an essential part showing a second embodiment of a container according to the present invention.
FIG. 4 is a longitudinal sectional view of an essential part showing a third embodiment of a container according to the present invention.
FIG. 5 is a longitudinal sectional view of an essential part showing a fourth embodiment of a container according to the present invention.
FIG. 6 is a longitudinal sectional view showing a fifth embodiment of the container according to the present invention.
[Explanation of symbols]
1, 1 ′, 1 ″, 1 ′ ″, 1 ″ ″ Container 2, 2 ′, 2 ″, 2 ′ ″, 2 ″ ″ Container body 2a, 2b Container body opening 3 Bottom lid 4, 4 ', 4''Top lid 5 Circular partition plate 6 Radial ribs 7, 7' Double (double) annular rib 21 One container body inner surface annular protrusion 22 One container body inner surface annular groove 23 Container body Spiral thread groove 24 Container body outer surface annular projection 40 Outer peripheral plate 41 Annular outer peripheral wall 42 Annular cavity part 43 Annular inner peripheral wall 411 Annular outer periphery wall inner surface spiral thread groove 412 Annular claw 413 Gap part annular projections 431, 432 Annular projection A Desiccant chamber B Contents storage chamber α Desiccant

Claims (8)

A container for storing contents that dislike moisture,
A circular partition plate having moisture permeability is provided on the inner surface of one opening side of the cylindrical container body to divide the container body into two parts,
In the container in which the one opening of the container body is sealed with a bottom lid to provide a desiccant chamber and the other opening is closed with an upper lid to provide a content storage chamber.
The upper lid comprises a U-shaped outer peripheral plate having an annular outer peripheral wall, and the annular outer peripheral wall provided inside the annular outer peripheral wall of the outer peripheral plate via an annular gap and a concentric annular inner peripheral wall. ,
Provided on the surface of the annular inner peripheral wall of the upper lid on the annular outer peripheral wall side is at least one inner peripheral wall outer surface annular projection that contacts the inner surface of the other opening side of the container body,
The distance in the concentric direction between the inner surface of the annular outer peripheral wall and the tip of the inner peripheral wall outer surface annular projection is smaller than the thickness of the peripheral wall on the other opening side of the container body,
By holding the peripheral wall on the other opening side of the container body in the annular gap of the upper lid, the other of the container body is caused by the concentric elasticity of the annular outer peripheral wall and the annular inner peripheral wall provided on the upper lid. A container characterized in that the opening of the container is closed. On the inner surface on the other opening side of the container main body, at least one container main body inner surface annular groove corresponding to the inner peripheral wall outer surface annular protrusion is provided,
2. The container according to claim 1, wherein the container body inner surface annular groove and the inner peripheral wall outer surface annular projection are engaged to close the other opening of the container body with the upper lid. On the inner surface on the other opening side of the container main body, at least one container main body inner surface annular protrusion that engages with the inner peripheral wall outer surface annular protrusion is provided,
2. The container according to claim 1, wherein the outer circumferential annular projection on the inner peripheral wall climbs over the inner annular projection on the container body and engages with each other to close the other opening of the container body with the upper lid. . The container according to any one of claims 1 to 3, wherein the circular partition plate is provided integrally with the container main body. The circular partition plate is provided by being inserted between double (two) annular ribs integrally formed on the inner surface of the container body,
The said annular rib is comprised so that the protrusion width of the said annular rib on the said upper cover side may become larger than the protrusion width of the annular rib on the said bottom cover side. Container as described in. A container body spiral screw groove on the outer surface on the other opening side of the container body and a container body outer surface annular projection on one opening side of the container body near the container body spiral screw groove;
On the annular inner peripheral wall side surface of the annular outer peripheral wall of the upper lid, an outer peripheral wall inner surface spiral thread groove that is screwed with the container main body spiral thread groove is provided,
An annular claw that engages with the annular protrusion on the outer surface of the container body is provided at a peripheral end of the annular outer peripheral wall of the upper lid,
The container body in which the inner peripheral spiral thread groove on the outer peripheral wall provided on the upper lid and the container body spiral thread groove on the container body are screwed together and the annular claw provided on the upper lid is provided on the container body. The container according to any one of claims 1 to 5, wherein the container covers the outer annular protrusion and engages with each other to close the other opening of the container body with the upper lid. The space | gap part cyclic | annular protrusion contact | abutted with the top part of the surrounding wall of the other opening part of the said container main body is provided in the said cyclic | annular space | gap part of the said upper cover, The Claim 1 characterized by the above-mentioned. container. The container according to claim 1, wherein the bottom lid is sealed by ultrasonic welding at the one opening of the container main body.

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