WO2023008366A1 - 容器、及びリフィル容器 - Google Patents
容器、及びリフィル容器 Download PDFInfo
- Publication number
- WO2023008366A1 WO2023008366A1 PCT/JP2022/028611 JP2022028611W WO2023008366A1 WO 2023008366 A1 WO2023008366 A1 WO 2023008366A1 JP 2022028611 W JP2022028611 W JP 2022028611W WO 2023008366 A1 WO2023008366 A1 WO 2023008366A1
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- WO
- WIPO (PCT)
- Prior art keywords
- container
- inner container
- locking piece
- lid
- outer container
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D7/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
- B65D77/04—Articles or materials enclosed in two or more containers disposed one within another
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
- B65D77/04—Articles or materials enclosed in two or more containers disposed one within another
- B65D77/06—Liquids or semi-liquids or other materials or articles enclosed in flexible containers disposed within rigid containers
Definitions
- the present invention relates to containers and refillable containers.
- a known container includes an inner container for containing contents and an outer container for containing the inner container, and the inner container is replaceable.
- the inner container must be able to be smoothly removed from the outer container at the time of replacement. It is important that unintended detachment from the container is avoided. Therefore, various studies have been made on means for engaging the inner container and the outer container.
- Patent Document 1 describes a container having an inner container 1 and an outer container 4 that houses the inner container 1.
- a configuration is described in which the tongues 2a, 2a are vertically extended.
- the engaging ridges 2c, 2c formed on the tongues 2a, 2a engage with the engaging ridges 5b, 5b of the notch 5, respectively.
- Patent Document 2 discloses a double container including a refill container (inner container) 30 for containing contents and a wide-mouthed container (outer container) 31 for detachably containing the refill container 30.
- Notch portions 37, 37 are formed in the opening edge of the mouth portion 33 of the container 31, and the refill container 30 is provided with thick portions 44, 44 that enter the notch portions 37, 37.
- there is Two upper and lower protrusions 38 and 39 are formed on the inner peripheral surface of the mouth portion 33 of the wide-mouthed container 31, and a protruding strip provided on the outer peripheral surface of the refill container 30 is provided between the protrusions 38 and 39. 50 is designed to enter.
- Patent Document 1 the engaging protrusions 2c, 2 and the engaging protrusions 5b, 5b are engaged, and in Patent Document 2, the protrusions 38, 39 and the protrusion 50 are engaged.
- the container and the outer container are detachable from each other.
- the engaging portion requires fine dimensional configuration, there are restrictions on the materials used.
- a container that includes an inner container and an outer container that houses the inner container, and that can be constructed without material restrictions.
- One aspect of the present invention is a container including a replaceable bottomed cylindrical inner container, an outer container that houses the inner container, and a lid, wherein the inner container is screwed onto the outer container.
- An engaging piece for engaging the outer container in the circumferential direction is provided on the cylindrical portion of the inner container, and the lid is attached to the inner container in a state where the lid is attached to the inner container. restrains the radial movement of the locking piece.
- a container that includes an inner container and an outer container that houses the inner container, and that can be constructed without material restrictions.
- FIG. 1 is a perspective view of a container (container with a lid) according to a first embodiment; FIG. It is a figure which shows the state which disassembled the container by 1st Embodiment.
- FIG. 3 is a perspective view of the container according to the first embodiment with the lid removed.
- FIG. 2 is a sectional view taken along the line II of FIG. 1;
- FIG. 5 is a partial view of the II-II line cross-section of FIG. 4 and is a diagram for explaining the function of the locking piece.
- FIG. 5 is a partial view of the II-II line cross-section of FIG. 4 and is a diagram for explaining the function of the locking piece. It is a figure for demonstrating the function of a locking piece.
- FIG. 1 is a perspective view of a refill container according to a first embodiment
- FIG. FIG. 8 is a perspective view of the container according to the second embodiment with the lid removed.
- FIG. 9 is a partial view of a cross section along a plane perpendicular to the axial direction of FIG. 8;
- FIG. 11 is a perspective view of the container according to the third embodiment with the lid removed.
- a container according to a first embodiment of the present invention is a lidded double container including a replaceable cylindrical inner container with a bottom, an outer container for accommodating the inner container, and a lid.
- FIG. 1 is a perspective view of a container 100 according to the present embodiment in which the constituent elements are combined
- FIG. 2 is an exploded view of the container 100.
- FIG. 3 is a perspective view showing a state in which the lid 40 is removed from the container 100 according to the present embodiment, that is, the configuration (double container) 1 composed of the inner container 10 and the outer container 20.
- FIG. 4 is a cross-sectional view taken along the line II of FIG.
- the “axial direction” is the direction along the axis (center line) AL of the tubular inner container 10 .
- the axial direction is the axial direction of the entire container 100 and also the axial direction of the outer container 20 .
- the “radial direction” refers to the direction from the center of the cylindrical inner container 10 toward the peripheral surface, and the “upper” or “upper” refers to the opening side of the container when viewed in the axial direction.
- “Lower” or “underside” refers to the side axially opposite the opening, i.e., the bottom side of the container.
- the container 100 is a wide mouth container.
- the wide-mouthed container may be a container with an opening wide enough to allow a person's finger to be inserted into the opening.
- the inner diameter of the container (the inner diameter of the opening or the maximum inner diameter) may be equal to or greater than the distance from the opening position to the bottom surface in the vertical direction.
- the inner diameter of container 100 (that is, the diameter of opening 17 of inner container 10) may be about 30 to 100 mm. Therefore, in this embodiment, the container 100 is preferably used to contain contents that are scooped up with fingers.
- the content to be accommodated is preferably in a form having a relatively high viscosity such as cream, gel or mousse. Hygienic daily necessities such as hair treatment agents, hair styling agents, and body care agents.
- the inner container 10 is a replaceable member (refillable container).
- the outer container 20 may be a member that continues to be used even after the inner container 10 is replaced, and the outer surface of the outer container 20 is decorated with information such as the raw material of the contents and the method of use. It can be.
- the inner container 10 may be cylindrical with a bottom as described above, and may have a bottom portion 11 and a cylindrical portion 12 connected to the bottom portion 11 .
- the inner diameter and/or outer diameter of the cylindrical portion 12 may be constant along the vertical direction, but may vary, for example, the closer it gets to the opening 17 (the closer it gets to the top), the smaller or larger it becomes. may As shown in FIGS. 3 and 4, the connecting portion between the bottom portion 11 and the cylindrical portion 12 may be curved.
- the tubular portion 12 of the inner container 10 includes a peripheral wall portion 12a that forms the main portion of the tubular portion 12 and contacts the contents, and a peripheral wall portion 12a formed radially outward from the peripheral wall portion 12a. and an annular hanging portion 12b hanging from the upper edge 12t.
- the upper portion of the cylindrical portion 12 is entirely folded outward, and the folded portion forms an annular drooping portion 12b.
- the axial length (height) of the annular drooping portion 12b is preferably constant, and may be 5 to 30 mm.
- the peripheral wall portion 12a and the annular hanging portion 12b of the inner container 10 are spaced apart in the radial direction to form a gap or a downwardly open pocket (FIG. 4).
- the outer container 20 may also be substantially cylindrical with a bottom, and may have a bottom portion 21 and a cylindrical portion 22 connected to the bottom portion 21 . Note that the outer container 20 may be configured without the bottom portion 21 as long as it can support the inner container 10 . In this case, when the double container 1 with the inner container 10 attached to the outer container 20 is viewed from below, the inner container 10 may be exposed.
- the diameter of the tubular portion 22 of the outer container 20 may be constant, or may vary along the vertical direction.
- the tubular portion 22 has a tubular portion main body 22a and an upper peripheral wall portion 23 forming a portion above the tubular portion main body 22a (FIGS. 2 to 4).
- the upper peripheral wall portion 23 has an inner diameter and an outer diameter smaller than those of the tubular portion main body 22a, and a stepped portion is formed at the transition portion between the upper peripheral wall portion 23 and the tubular portion main body 22a.
- the upper peripheral wall portion 23 of the outer container 20 is arranged in the gap formed between the above-described peripheral wall portion 12a and the annular hanging portion 12b of the inner container 10.
- the outer peripheral surface of the upper peripheral wall portion 23 faces the inner peripheral surface of the annular drooping portion 12b (FIG. 4, which will also be described in detail later).
- a lid 40 can be further attached to the double container 1 in which the inner container 10 is attached to the outer container 20 (Figs. 1, 2 and 4). This closes the opening 17 of the inner container 10 and protects the contents from the external environment. In the example shown in FIG. 1, the inner container 10 is not exposed when the lid 40 is attached. Therefore, by making the appearance (including material, color, pattern, etc.) of the lid 40 and the outer container 20 the same, or conversely, by making the difference stand out, a configuration with high design and aesthetics can be obtained. can. In order to seal the container 100 more tightly, a packing or the like may be provided inside the lid 40 .
- the lid 40 is formed to be screwed onto a male threaded portion 18m formed on the outer peripheral surface of the annular hanging portion 12b of the inner container 10. As shown in FIG. However, the lid body 40 may be attached to the double container 1 by a method other than screwing, for example, vertical fitting.
- the inner container 10 is attached to the outer container 20 by screwing.
- the inner peripheral surface of the annular hanging portion 12b of the inner container 10 and the outer peripheral surface of the outer container 20 are engaged by screw connection.
- the female threaded portion 18f formed on the inner peripheral surface of the annular hanging portion 12b of the inner container 10 and the male threaded portion 28m formed on the upper peripheral wall portion 23 of the outer container 20 are screwed together. It is configured.
- the axis AL of the inner container 10 and the axis AL of the outer container 20 are aligned and brought close to each other in the vertical direction.
- the upper peripheral wall portion 23 of the outer container 20 can be inserted into the gap between the peripheral wall portion 12a of the inner container 10 and the annular hanging portion 12b.
- the female threaded portion 18f formed on the inner peripheral surface of the annular hanging portion 12b of the inner container 10 and the male threaded portion 28m formed on the outer peripheral surface of the upper peripheral wall portion 23 of the outer container 20 abut in the vertical direction. Then, the inner container 10 is rotated relative to the outer container 20 .
- the two can be screwed together (screwed together).
- the female threaded portion 18f of the inner container 10 and the male threaded portion 28m of the outer container 20 are screwed together so that the upper peripheral wall portion 23 of the outer container 20 is positioned below the upper edge 12t of the tubular portion 12 of the inner container 10. may be configured to progress until it abuts the surface of the
- the direction of relative rotation for establishing screw engagement between the inner container 10 and the outer container 20 is not limited, and may be counterclockwise.
- the inner container 10 and the outer container 20 are screwed together (screwed together), the inner container 10 can be attached to the outer container 20 by rotating it along the screw thread. can be done reliably. Moreover, once the inner container 10 is attached to the outer container 20, the inner container 10 and the outer container 20 are engaged over the entire circumferential direction, so that they are securely fixed in the vertical direction. On the contrary, it is possible to reduce the possibility that both are separated in the vertical direction.
- a portion for forming an engagement requires a fine dimensional configuration. may have to be formed. Therefore, when a relatively fragile material is used, the engaging portion is likely to be damaged during manufacturing, or the desired engagement may not be obtained due to wear during use. Furthermore, depending on the material, for example, a material with low elasticity or viscoelasticity, if there is dimensional variation in the engaging portion, the dimensional variation will be directly reflected in the variation in the engaging force, resulting in an appropriate engagement. Sometimes I could't get a match. For example, the engagement may be too hard for the user to operate, or the engagement may be too loose, causing the inner container to rattle during use.
- the inner container 10 and the outer container 20 by attaching the inner container 10 and the outer container 20 by screwing according to the present embodiment, appropriate engagement can be obtained regardless of the material used for the container, and the material used for the container, particularly the outer container 20, can be used. Wider choice of materials to be used. Therefore, even if the outer container 20 is made of glass, pottery, etc. in consideration of design and aesthetics, the engagement between the inner container 10 and the outer container 20 can be firmly configured. Therefore, even if the outer container 20 is used repeatedly, the replacement of the inner container 10 is smooth, and the inner container 10 and the outer container 20 are prevented from being detached from each other without the user's intention.
- locking pieces 15 that can be engaged with the outer container 20 are formed on the cylindrical portion 12 of the inner container 10, more specifically on the annular hanging portion 12b (FIGS. 2 to 4). .
- the locking piece 15 may be a member that is partially cut out from the annular hanging portion 12b and that is at least radially displaceable.
- the locking piece 15 is formed integrally with the inner container 10 , but the locking piece 15 may be separate from the inner container 10 .
- the phrase "displaceable in the radial direction" means that part or all of the locking piece 15 can be displaced in the radial direction. directional movement, and radial movement of the locking piece 15 as a whole.
- the locking piece 15 includes a fixed end 15a connected to the tubular portion 12 (more specifically, the annular hanging portion 12b) of the inner container 10, and a tubular portion 12 (more specifically, the annular hanging portion 12b). It is a cantilevered spring member having a free end 15b separated from the depending portion 12b) (Fig. 3).
- the entire locking piece 15 can be elastically deformed using the fixed end 15a as a base.
- the direction in which the locking piece 15 extends from the fixed end 15a to the free end 15b is the circumferential direction.
- the locking piece 15 can be opened radially outward about the fixed end 15a.
- the length of the locking piece 15, that is, the length from the fixed end 15a to the free end 15b may be 5-15 mm.
- 5A, 5B, and 6 are cross-sectional views taken at a position including the locking piece 15 in a direction (horizontal direction) perpendicular to the axial direction of the container 100 (cross-section taken along line II-II in FIG. 4). correspondence).
- 5A and 5B show the state without the lid 40
- FIG. 6 shows the state with the lid 40 attached.
- the locking piece 15 is connected to the annular hanging portion 12b of the inner container 10 in the circumferential direction at a fixed end 15a.
- a free end 15b located on the opposite side of the fixed end 15a in the circumferential direction may be formed with a protrusion 15c protruding radially inward.
- the area of the end face of the free end 15b is widened by the presence of the projection 15c.
- the outer peripheral surface of the upper peripheral wall portion 23 of the outer container 20 is formed with a convex portion 23p projecting radially outward.
- the projection 15c of the locking piece 15 and the projection 23p formed on the outer peripheral surface of the outer container 20 overlap when viewed in the radial direction.
- the end surface of the free end 15b of the locking piece 15 abuts on the convex portion 23p in the circumferential direction (FIG. 5A).
- the locking piece 15 can be displaced in the radial direction as described above, and in particular, can be elastically deformed radially outward in the illustrated example. direction) or the direction of arrow A2 (the direction of removing the inner container 10 from the outer container 20), the locking piece 15 opens radially outward (direction of arrow A3) to open the protrusion 23p. can overcome.
- FIG. 5B shows that the inner container 10 is further rotated from the state of FIG. 5A in the direction of arrow A2, that is, the direction in which the screw engagement between the inner container 10 and the outer container 20 is loosened and the inner container 10 is to be removed from the outer container 20.
- FIG. 10 is a diagram of a state in which the As shown in FIG. 5B , the locking piece 15 is elastically deformed, opens radially outward, and is positioned radially outward of the convex portion 23 p of the outer container 20 . Then, when the inner container 10 is further rotated in the direction of the arrow A2 from the state of FIG. 5B, the projection 15c of the locking piece 15 can get over the convex portion 23p.
- the lid 40 covers the outer peripheral surface of the annular hanging portion 12 b of the inner container 10 . More specifically, a female threaded portion 48f formed on the inner peripheral surface of the lid 40 is screwed into a male threaded portion 18m formed on the outer peripheral surface of the annular drooping portion 12b (Fig. 4).
- the lid body 40 is put on the annular drooping portion 12b so as to cover the locking piece 15, and faces the locking piece 15 in the radial direction.
- the lid body 40 is arranged radially outside the locking piece 15 . Therefore, when the locking piece 15 tries to be displaced radially outward (in the direction of arrow A3), the displacement of the locking piece 15 is blocked by the lid 40 . Due to such a restriction on radial displacement (deformation), the projection 15c of the locking piece 15 cannot get over the projection 23p formed on the outer peripheral surface of the outer container 20 in the circumferential direction. Therefore, the inner container 10 is rotated relative to the outer container 20 in the direction of loosening the screw engagement between the inner container 10 and the outer container 20, that is, in the direction of removing the inner container 10 from the outer container 20 (direction of arrow A2).
- the free end 15b of the locking piece 15 contacts the projection 23p in the circumferential direction. Further, the rotation of the inner container 10 in the direction of the arrow A2 is restricted from the abutted state, and loosening of the threaded engagement between the inner container 10 and the outer container 20 can be prevented. Thus, the locking pieces 15 of this embodiment provided on the inner container 10 can lock the outer container 20 in the circumferential direction.
- the limitation of relative rotation by the lid 40 as described above means that the inner container 10 and the outer container 20 cannot be engaged and disengaged while the lid 40 is attached.
- the inner container 10 is detached from the outer container 20 even when the lid 40 is attached.
- the lid 40 and the inner container 10 may rotate relative to the outer container 20 (also referred to as co-rotation).
- the user needs to remove only the lid 40 to expose the inner container 10 at the time of use. Since the opening 17 does not appear, the user cannot reach the contents.
- the locking piece 15 is positioned outside the range where the male threaded portion 18m of the annular hanging portion 12b is formed, more specifically, the male threaded portion when viewed in the vertical direction. 18m is located below the range where 18m is formed. As a result, the locking piece 15 can be formed without overlapping with the screw threads, so that the design becomes simpler. Furthermore, it is preferable that the locking piece 15 is arranged below the range in which the female threaded portion 18f of the annular hanging portion 12b is formed.
- the materials of the inner container 10 and the outer container 20 are not particularly limited.
- the material may be resin, or may be made of other materials that are more brittle than resin, such as glass, pottery, and porcelain. Alternatively, the material may be metal or the like.
- the locking piece 15 is made of resin, it is preferable because elastic deformation in the radial direction is possible.
- the annular hanging portion 12b, preferably the entire inner container 10 is preferably made of the same resin as the locking piece 15, and the inner container 10 including the locking piece 15 is integrally molded of the same resin.
- the resin include polyethylene (PE), polypropylene (PP), polyethylene terephthalate (PET), polybutylene terephthalate (PBT), polystyrene (PS), polylactic acid (PLA), etc.
- PE polyethylene
- PP polypropylene
- PET polyethylene terephthalate
- PBT polybutylene terephthalate
- PS polystyrene
- PLA polylactic acid
- Resin may also be used as the material of the outer container 20, but glass can be used because it is robust and gives an elegant impression. In this embodiment, even if the outer container 20 is made of glass, it is less likely to be damaged, and a structure in which the inner container 10 and the outer container 20 can be appropriately engaged and disengaged can be obtained.
- FIG. 7 shows a form in which the inner container 10 described above is used as a refill container 120.
- the refill container 120 includes an inner container 10 and a temporary lid 30. - ⁇ When replacing the inner container 10 , the user can attach the refill container 120 with the temporary lid 30 to the outer container 20 and then remove the temporary lid 30 . This can prevent the contents from spilling out while the inner container 10 is attached to the outer container 20 .
- the temporary lid body 30 may be an aluminum film (aluminum seal) or the like that is detachably attached to the upper edge 12t of the inner container 10 and seals the inner container 20 .
- FIG. 8 shows a container 200 according to the second embodiment with the lid removed, that is, a combination body (double container) 201 of an inner container and an outer container.
- the container 200 according to the second embodiment has the same basic structure as the container 100 (FIGS. 1 to 6) according to the first embodiment described above. That is, it includes a replaceable cylindrical inner container 210 with a bottom, an outer container 220 that accommodates the inner container 210, and a lid (not shown), and the inner container 210 is attached to the outer container 220 by screwing. ing.
- the inner container 210 has a bottom portion and a cylindrical portion 212, and the cylindrical portion 212 has a peripheral wall portion 212a and an annular hanging portion 212b hanging from an upper edge 212t outside the peripheral wall portion 212a, A locking piece 215 is formed on the annular hanging portion 212b.
- the outer container 220 has a bottom portion 221 and a cylindrical portion 222, and an upper peripheral wall portion 223 of the cylindrical portion 222 is arranged in a gap between the peripheral wall portion 212a and the annular hanging portion 212b of the inner container 210.
- the inner container 210 and the outer container 220 are engaged by screwing the female screw portion of the annular hanging portion 212 b of the inner container 210 and the male screw portion 223 m of the upper peripheral wall portion 223 of the outer container 220 .
- the configuration of the locking piece 215 and its periphery is different.
- the locking piece 215 is formed within the vertical range of the annular hanging portion 212b of the inner container 210 where the male screw portion 18m is formed. Therefore, the male screw portion 218m of the inner container 210 (the screw portion formed on the outer peripheral surface of the annular drooping portion 212b) is discontinuous in the middle of the circumferential direction, and the locking piece 215 is formed at the discontinuous portion. ing. In this way, the locking piece 215 is formed within the range where the male threaded portion 218m of the inner container 210 is formed, so that the vertical length of the annular hanging portion 212b can be shortened. Therefore, design options are increased, and the material for the inner container 10 can be saved.
- the locking piece 215 is also a radially displaceable member cut out from the annular hanging portion 212b, like the locking piece 15 (FIGS. 2 to 6) in the second embodiment.
- the locking piece 215 may also be a cantilevered spring member having a fixed end 215 a connected to the inner container 210 (annular hanging portion 212 b ) and a free end 215 b separated from the inner container 210 .
- the extending direction of the locking piece 215, that is, the extending direction extending from the fixed end 215a to the free end 215b is the circumferential direction.
- the radial thickness of the locking piece 215 increases from the fixed end 215a toward the free end 215b. Further, the locking piece 215 is not flush with the outer peripheral surface of the annular drooping portion 212b on the side of the fixed end 215a, and is positioned radially inward. According to such a shape of the locking piece 215, the elastic deformation with the fixed end 215a as the base becomes easier.
- FIG. 9 is a cross section of the container 200 according to the second embodiment taken along a plane perpendicular to the axial direction at a position including the locking piece 215 .
- FIG. 9 is a diagram corresponding to FIGS. 5A, 5B, and 6 referred to in the description of the first embodiment.
- the locking piece 215 has a projection 215c protruding radially inward on the side of the free end 215b, thereby increasing the area of the end surface of the free end 215b.
- a male screw portion 228m is formed on the outer peripheral surface of the upper peripheral wall portion 223 of the outer container 220, and a discontinuous portion 229 exists in the thread of the male screw portion 228m.
- the protrusion 215c is fitted in the thread discontinuity 229 of the male threaded portion 228m, and the locking piece 215 is in a non-biased state.
- the locking piece 215 can be displaced in the radial direction, and more specifically, can be elastically deformed in the radial direction.
- the locking piece 215 opens radially outward (the direction of the arrow A3). can be moved to the outside of the screw thread of the male threaded portion 228m of the outer container 220.
- the projection 215c of the locking piece 215 is part of the male screw portion 228m. (Convex part 223p) can be overcome.
- the position of the lid body 240 when the lid body 240 is attached is indicated by a dashed line.
- the lid body 240 is positioned radially outward of the locking piece 215 and restrains the locking piece 215 from moving outward in the locking direction. Therefore, when relatively rotated in the direction of arrow A2, the end surface of the free end 215b of the locking piece 215 comes into contact with a part of the screw thread (projection 223p) of the male screw portion 228m in the circumferential direction. relative rotation does not occur.
- the portion (protruding portion 223p) with which the free end 215b of the locking piece 215 abuts in the circumferential direction is part of the male screw portion 228m of the outer container 220, which will be described in the first embodiment.
- the convex portion 223p having the same function as 23p does not necessarily have to be part of the male screw portion 228m.
- the convex portion 223p may be a portion formed at a position, shape, and size deviating from the thread of the male screw portion 228.
- the locking piece 215 may overlap the thread of the male screw portion 223m of the upper peripheral wall portion 223 of the outer container 220 in the vertical direction. In that case, grooves along the circumferential direction may be formed on the inner peripheral surface side of the locking piece 215 in a portion other than the projection 215c.
- the opening 216 is formed in the annular hanging portion 212b of the inner container 210, and the locking piece 215 is formed at the edge of the opening 216 at the end in the circumferential direction.
- the opening 216 may extend in the circumferential direction within a range of 1.5 times or more the circumferential length of the locking piece 215 (FIG. 8).
- Such an opening 216 is preferable from the viewpoint of assisting smooth screwing between the inner container 210 and the outer container 220, or from the viewpoint of manufacturing when using injection molding, cast molding, or the like.
- FIG. 10 shows a container 300 with the lid removed, that is, a combined body (double container) 301 of an inner container and an outer container according to the third embodiment.
- the container 300 according to the third embodiment has the same basic structure as the container 100 (FIGS. 1 to 6) according to the first embodiment and the container 200 (FIGS. 8 and 9) according to the second embodiment. That is, it includes a replaceable cylindrical inner container 310 with a bottom, an outer container 320 that houses the inner container 310, and a lid (not shown), and the inner container 310 is attached to the outer container 320 by screwing. ing.
- the inner container 310 has a bottom portion and a cylindrical portion 312, and the cylindrical portion 312 has a peripheral wall portion 312a and an annular hanging portion 312b hanging from an upper edge 312t outside the peripheral wall portion 312a, A locking piece 315 is formed on the annular hanging portion 312b.
- the outer container 320 has a bottom portion 321 and a tubular portion 322, and an upper peripheral wall portion 323 of the tubular portion 322 is arranged in a gap between the peripheral wall portion 312a and the annular hanging portion 312b of the inner container 310. It is The inner container 310 and the outer container 320 are engaged by screwing the female screw portion of the annular hanging portion 312 b of the inner container 310 and the male screw portion 328 m of the upper peripheral wall portion 323 of the outer container 320 .
- the function of the locking piece 315 in the third embodiment is also the same as that of the locking piece 215 in the second embodiment, and the locking piece 215 also locks the outer container 320 in the circumferential direction.
- the third embodiment is different from the second embodiment in that the annular drooping portion 312b of the inner container 310 is not formed with a male screw portion. That is, in this embodiment, the lid (not shown) is screwed onto the outer container 320 instead of the inner container 310 . Therefore, it is more preferable in that the phenomenon of co-rotation, which may occur due to rigid coupling between the lid body and the inner container 310, as described in the first and second embodiments, does not easily occur.
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Abstract
Description
本発明の第1実施形態による容器は、交換可能な有底筒状の内容器と、当該内容器を収容する外容器と、蓋体とを備えた、蓋付きの二重容器である。図1は、本形態による容器100の構成要素が組み合わされた状態の斜視図であり、図2は、容器100の分解図である。また、図3は、本形態による容器100から蓋体40を取り外した状態、すなわち内容器10と外容器20とからなる構成(二重容器)1を示す斜視図である。図4は、図3のI-I線断面であり、容器100の軸線ALの延在方向に沿った断面図である。なお、本明細書において、「軸線方向」とは、筒状である内容器10の軸線(中心線)ALに沿った方向である。軸線方向は、容器100全体の軸線方向であり、外容器20の軸線方向でもある。また、「径方向」とは、筒状である内容器10の中心から周面に向かう方向であり、「上方」又は「上側」は、軸線方向で見て容器の開口の側を指し、「下方」又は「下側」は、軸線方向で見て開口と反対側、すなわち容器の底面の側を指す。
図8に、第2実施形態による容器200の蓋体を外した状態、すなわち内容器と外容器との組み合わせ体(二重容器)201を示す。第2実施形態による容器200は、上述の第1実施形態による容器100(図1~図6)と基本的な構造は同じである。すなわち、交換可能な有底筒状の内容器210と、内容器210を収容する外容器220と、蓋体(図示せず)とを備え、内容器210が外容器220に螺合により装着されている。内容器210は、底部と筒状部212とを備えており、筒状部212が周壁部212aと、周壁部212aの外側で上縁212tから垂下する環状垂下部212bとを有しており、環状垂下部212bに係止片215が形成されている。また、外容器220は、底部221と筒状部222とを備えており、筒状部222の上方周壁部223が、内容器210の周壁部212aと環状垂下部212bとの間の隙間に配置されている。内容器210と外容器220とは、内容器210の環状垂下部212bの雌ネジ部と、外容器220の上方周壁部223の雄ネジ部223mとの螺合によって係合している。但し、第2実施形態においては、係止片215及びその周辺の構成が異なっている。
図10に、第3実施形態による、蓋体を外した状態の容器300、すなわち内容器と外容器との組み合わせ体(二重容器)301を示す。第3実施形態による容器300は、上述の第1実施形態による容器100(図1~図6)及び第2実施形態による容器200(図8及び図9)と基本的な構造は同じである。すなわち、交換可能な有底筒状の内容器310と、内容器310を収容する外容器320と、蓋体(図示せず)とを備え、内容器310が外容器320に螺合により装着されている。内容器310は、底部と筒状部312とを備えており、筒状部312が周壁部312aと、周壁部312aの外側で上縁312tから垂下する環状垂下部312bとを有しており、環状垂下部312bに係止片315が形成されている。また、外容器320は、底部321と筒状部322とを備えており、筒状部322の上方周壁部323が、内容器310の周壁部312aと環状垂下部312bとの間の隙間に配置されている。内容器310と外容器320とは、内容器310の環状垂下部312bの雌ネジ部と、外容器320の上方周壁部323の雄ネジ部328mとの螺合によって係合している。
10、210、310 内容器
11、211、311 底部
12、212、312 筒状部
12a、212a、312a 筒状部の周壁部
12b、212b、312b 筒状部の環状垂下部
12t、212t、312t 筒状部の上縁
15、215、315 係止片
15a、215a、315a 係止片の固定端
15b、215b、315b 係止片の自由端
15c、215c 係止片の突起
18f 内容器の雌ネジ部
18m、218m 内容器の雄ネジ部
20、220、320 外容器
22、222、322 外容器の筒状部
22a、222a、322a 外容器の筒状部本体
23、223、323 外容器の上方周壁部
23p、223p、323p 凸部
30 仮蓋体
40、240 蓋体
100、200、300 容器
Claims (10)
- 交換可能な有底筒状の内容器と、前記内容器を収容する外容器と、蓋体とを備えた容器であって、
前記内容器が、前記外容器に螺合により装着され、
前記内容器の筒状部に、前記外容器を周方向に係止する係止片が設けられており、
前記蓋体が前記内容器に装着された状態で、前記蓋体によって前記係止片の径方向の動きが抑制される、容器。 - 前記蓋体が、前記内容器及び/又は前記外容器に螺合により装着される、請求項1に記載の容器。
- 前記筒状部が、周壁部と、前記周壁部の外側で前記筒状部の上端から垂下する環状垂下部とを有し、前記内容器が前記外容器に収容された状態で前記環状垂下部が前記外容器の外周面に対向して配置され、
前記係止片が、前記環状垂下部に形成されている、請求項1又は2に記載の容器。 - 前記係止片が径方向に変位可能である、請求項3に記載の容器。
- 前記係止片が、前記内容器に接続された固定端と、前記内容器から分離した自由端とを有する片持ちバネ部材であり、前記固定端から前記自由端への延在方向が周方向である、請求項4に記載の容器。
- 前記外容器の外周面に凸部が形成され、
前記係止片の前記自由端が、前記凸部に周方向に周方向に当接することにより、前記内容器の前記外容器に対する回転が制限される、請求項5に記載の容器。 - 前記係止片が、軸線方向で見て前記環状垂下部に雄ネジ部が形成されている範囲内に形成されている、請求項6に記載の容器。
- 前記係止片が、前記筒状部の軸線方向で見て、前記内容器の前記環状垂下部の雄ネジ部が形成されている範囲外に形成されている、請求項6に記載の容器。
- 前記内容器の前記環状垂下部の外周面に雄ネジ部が形成されておらず、前記蓋体が、前記外容器に螺合する、請求項6に記載の容器。
- 外容器に螺合により装着可能な有底筒状の内容器と、前記内容器を密封する仮蓋体とを備えたリフィル容器であって、
前記内容器の筒状部に、前記内容器が前記外容器に装着された状態で前記外容器を周方向に係止するための係止片が設けられており、
さらに蓋体が前記内容器に装着された時に、前記蓋体によって前記係止片の径方向の動きが制限される、リフィル容器。
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