WO2020095895A1 - キャップ付き容器およびその製造方法 - Google Patents

キャップ付き容器およびその製造方法 Download PDF

Info

Publication number
WO2020095895A1
WO2020095895A1 PCT/JP2019/043286 JP2019043286W WO2020095895A1 WO 2020095895 A1 WO2020095895 A1 WO 2020095895A1 JP 2019043286 W JP2019043286 W JP 2019043286W WO 2020095895 A1 WO2020095895 A1 WO 2020095895A1
Authority
WO
WIPO (PCT)
Prior art keywords
cap
groove
container
inclined surface
valley
Prior art date
Application number
PCT/JP2019/043286
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
敬和 尾花
Original Assignee
株式会社資生堂
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社資生堂 filed Critical 株式会社資生堂
Priority to CN201980073719.9A priority Critical patent/CN112996731B/zh
Priority to JP2020556077A priority patent/JP7331009B2/ja
Publication of WO2020095895A1 publication Critical patent/WO2020095895A1/ja

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/37—Mould cavity walls, i.e. the inner surface forming the mould cavity, e.g. linings
    • 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
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/04—Threaded or like caps or cap-like covers secured by rotation
    • B65D41/06—Threaded or like caps or cap-like covers secured by rotation with bayonet cams, i.e. removed by first pushing axially to disengage the cams and then rotating

Definitions

  • the present invention relates to a container with a cap having a container body having a mouth and a cap, and a manufacturing method thereof.
  • a general screw-type cap is fitted to the container by the user rotating the cap along the spiral groove.
  • Cited Document 1 since it is troublesome to rotate along the spiral groove, for example, in Cited Document 1, two caps are provided on the inner peripheral wall of the cap so that the cap can be easily attached and detached and the contents can be sealed. A technique of providing a positioning groove on the outer peripheral side of the mouth is disclosed.
  • Patent Document 2 discloses a screw-type cap having a discontinuous spiral protrusion formed on the outer periphery of the mouth as a structure for opening and closing the cap by rotating at a smaller angle.
  • Patent Document 1 since the inlet of the positioning groove has the same thickness as the groove portion, the user places the cap on the mouth portion in order to fit the protrusion into the groove after positioning the protrusion of the cap with respect to the positioning groove. In contrast, it had to be manually rotated up to 90 °.
  • Patent Document 2 since it is necessary to form a discontinuous projection on the outer periphery of the mouth portion, it is necessary to form a divided mold by undercutting when the mold is pulled out in the vertical direction.
  • the present invention makes it possible to stably form the cap and the mouth portion with an inexpensive and simple mold, and at the time of closing the cap, it is possible to reduce the angle at which the user rotates the cap.
  • a container with a cap having a container and a cap that engages with a mouth portion of the container A plurality of protrusions are provided on the outer peripheral surface of the mouth portion or the inner peripheral surface of the peripheral wall of the cap,
  • the lower edge of the peripheral wall of the cap includes two or more corrugations formed of a series of valleys and peaks, and
  • a grooved wavy bent edge in which a groove is formed at an upper end that is a valley bottom, and the valley that is scooped upward has a first slope and a second slope where the slope angle intersects with the first slope.
  • the outer peripheral side of the peripheral wall of the mouth portion includes two or more corrugated shapes each including a continuous valley portion and a mountain portion. Is provided with a sloped piece having a grooved wavy bent edge in which a groove portion is formed at the lower end which is the valley bottom, and the valley portion scooped downward is provided with a first inclined surface and a slope with the first inclined surface. A second inclined surface whose angle intersects, and the groove extends continuously from the lower end of the first inclined surface that is the valley bottom of the valley.
  • the cap and the mouth can be stably formed with a cheap and simple mold, and the angle at which the cap is rotated by the user when the cap is closed can be reduced.
  • the figure which removed the outer lid of the container with a cap concerning a 1st embodiment of the present invention The external view which shows the whole container of the container with a cap which concerns on 1st Embodiment.
  • Explanatory drawing of the opening part of the container main body which concerns on 1st Embodiment Explanatory drawing of the inner lid of the cap which concerns on 1st Embodiment.
  • FIG. 6 is a top perspective view showing a mold during manufacturing of the inner lid of the cap according to the first embodiment.
  • FIG. 6 is a bottom perspective view showing a mold during manufacturing of the inner lid of the cap according to the first embodiment.
  • the upper surface perspective view which shows the inner lid of the cap which concerns on 2nd Embodiment of this invention.
  • the lower surface perspective view which shows the inner lid of the cap which concerns on 2nd Embodiment of this invention.
  • the top perspective view showing the metallic mold at the time of manufacture of the inner lid of the cap concerning a 2nd embodiment.
  • the bottom perspective view showing the metallic mold at the time of manufacture of the inner lid of the cap concerning a 2nd embodiment.
  • the external view which shows the whole container of the container with a cap which concerns on 3rd Embodiment.
  • Explanatory drawing of the opening part of the container main body which concerns on 3rd Embodiment.
  • Explanatory drawing of the inner stopper attached to the mouth part which concerns on 3rd Embodiment.
  • Explanatory drawing of the inner lid of the cap which concerns on 3rd Embodiment.
  • FIG. 1 The external view which shows the whole container of the container with a cap which concerns on 5th Embodiment.
  • the external appearance explanatory drawing of the cap and delivery container which applied the container with a cap of this invention to the delivery container of a stick-shaped cosmetic body.
  • FIG. 4 is a cross-sectional view of the sleeve and its surroundings in which the cap-equipped container of the present invention is applied to a stick-shaped cosmetic body feeding container and the cap is closed.
  • the present invention relates to a container with a cap having a container body having a mouth and a cap, and a manufacturing method thereof.
  • FIG. 1 is a view in which the outer lid 3 of the container 100 with a cap according to the first embodiment of the present invention is removed.
  • FIG. 2 is an external view of the entire container 100 with a cap according to the first embodiment.
  • the container 100 with a cap includes a container body 1 and a cap 200.
  • the container body 1 serves as a container (container portion).
  • the cap 200 detachably engages with the mouth portion 10 of the container body 1 from the upper surface and the outer peripheral side.
  • the cap 200 has a double structure including an inner lid 2 and an outer lid 3 (see FIG. 2). Note that the cap 200 may have a triple structure or more, which has other components other than the inner lid 2 and the outer lid 3.
  • the outer lid 3 is removed for illustration of the shape of the inner lid 2, but in the cap 200, the inner lid 2 and the outer lid 3 are fitted and integrated. Therefore, during normal use, the state shown in FIG. 2 is not seen.
  • a mouth portion 10 is provided on the upper side of a shoulder portion 19 which is an upper surface of a storage portion for storing contents.
  • the accommodating portion (base portion, bottle portion, body portion) below the shoulder portion 19 of the container body 1 shows an example of a substantially rectangular parallelepiped shape, but the accommodating portion has a side surface and a bottom. Any shape may be used as long as it is.
  • the bottom portion (lower surface) of the accommodation portion may be gradually expanded or narrowed with respect to the shoulder portion 19 (upper surface), or the accommodation portion may have a twisted side surface or a bulged central portion of the body portion. It may have various shapes such as a concave shape or a concave shape.
  • the mouth portion 10 has an outer peripheral wall 11 which is a peripheral wall-shaped outer peripheral side surface and a circular upper wall 12 (see FIG. 3A).
  • the outer peripheral wall 11 of the mouth 10 is provided with columnar projections (projections, potches) 13a, 13b, 13c (see FIG. 5A), 13d that project outward.
  • the projections 13a to 13d formed on the mouth portion 10 of the container body 1 are shown as an example having a cylindrical shape, but the projection used for the engagement has a shape protruding outward. It may be a polygonal prism such as a square prism or a triangular prism, or a shape in which a part of the polygon of the polygonal prism is omitted.
  • the inner lid 2 also has a peripheral wall 21 and an upper wall 22.
  • the upper wall 22 is provided with an annular erected portion 28 which is erected upward, and the annular erected portion 28 is formed with a plurality of locking holes 29a to 29h which are opened upward.
  • the lower edge of the peripheral wall 21 of the inner lid 2 has a wavy pattern that meanders along the circumferential direction, and the wavy pattern is a series of valleys (engraved or cutout portions) and mountains ( The remaining part). Further, since the groove portion 24 is formed at the bottom (upper end) of the valley portion, the lower edge of the peripheral wall 21 is a wavy curved edge with a groove.
  • the repeating period between the peak (lower end) MP of the peak portion and the peak MP is 1/4 of the circumference (see FIGS. 3B and 6C). That is, four waves are repeatedly formed.
  • the valley portion V which is the shape scooped upward, has the first inclined surface 23 which is the inclined lower edge portion. And a second inclined surface 25 whose inclination angle intersects the first inclined surface 23.
  • the first slope 23 has a lower gentle slope 231 with a gentle slope and an upper steep slope 232 with a steep slope.
  • the lower edge of the inner lid 2 is composed of the first inclined surface 23 and the second inclined surface 25 except for the upper edge and the lower edge of the groove 24, and the flat portion is formed.
  • the flat portion is formed.
  • at least two or more wave shapes are formed by the valleys and peaks at the lower edge of the peripheral wall 21.
  • a groove portion 24 extending from the upper end of the first inclined surface 23 is formed on the valley bottom (upper end) VB (see FIG. 6B) of the valley V engraved upward.
  • the groove portion 24, which is a groove with which the protrusion 13 slides and engages is a U groove in a U-shaped space surrounded by the upper edge 24U, the lower edge 24L, and the extending end 24S.
  • the upper edge 24U of the groove 24 continuously extends from the first inclined surface 23, and the lower edge 24L of the groove 24 that is a U groove extends substantially laterally with respect to the upper end of the second inclined surface 25. I have put it out. That is, the portion sandwiched between the lower edge 24 ⁇ / b> L of the groove 24 and the surface around the upper end of the second inclined surface 25 serves as a retaining piece (projecting piece) 26.
  • the first inclined surface 23 or the second inclined surface 25 comes in contact with the upper portion of the protrusion 13 of the mouth portion 10 and is slanted downward. After slidingly moving in the direction, the user rotates and the projection 13 is guided and fitted into the groove 24. Details of the rotation of the cap 200 will be described later with reference to FIGS. 8 and 9.
  • the outer lid 3 of the cap 200 has a cylindrical shape with a top, and has a side wall 31 and a ceiling wall 32.
  • FIG. 3A and 3B are exploded views of the container 100 with a cap according to the first embodiment.
  • FIG. 3A is an exploded perspective view of the cap seen from above
  • FIG. 3B is an exploded perspective view of the shoulder 19 seen from below.
  • a fitting hole 14 is formed in the center of the upper wall 12 of the opening 10 of the container body 1, and an annular raised portion 15 is formed around the fitting hole 14. It is provided.
  • a plug portion 27 which is a protrusion protruding downward.
  • the stopper portion 27 of the inner lid 2 is inserted into the fitting hole 14 of the mouth portion 10, so that the mouth portion 10 is fitted with the stopper structure.
  • the hole 14 is closed.
  • a plurality of projections 33 (33a to 33h) projecting downward (see FIG. 7C) are provided on the lower surface of the ceiling wall 32 of the outer lid 3 of the cap 200.
  • a plurality of locking holes 29 (29a to 29h) (see FIG. 6A) are formed in the annular standing portion 28 of the upper wall 22 of the inner lid 2.
  • the protrusions 33a to 33h of the outer lid 3 are inserted into and fitted into the locking holes 29a to 29h of the inner lid 2 so that the outer lid for the inner lid 2 is rotated when the cap 200 rotates with respect to the mouth 10.
  • 3 serves as a rotation stopper, and the outer lid 3 and the inner lid 2 can be rotated in conjunction with each other.
  • the protrusions 33a to 33h and the locking holes 29a to 29h are used to interlock the outer lid 3 and the inner lid 2 with each other.
  • the lid 3 and the inner lid 2 may be interlocked.
  • FIG. 4 is a front cross-sectional view of the cap and the mouth of the container body according to the first embodiment.
  • FIG. 4 corresponds to the AA cross section of FIG.
  • the cap 200 is attached to the mouth 10 of the container body 1, and the cap 200 covers the mouth 10 (overcaps).
  • the cap 200 is assembled with the plurality of projections 33a to 33h projecting downward from the lower surface of the ceiling wall 32 of the outer lid 3 and the locking holes 29a to 29h of the inner lid 2 engaged with each other. Be done.
  • the plug portion 27 protruding downward is provided on the lower surface of the upper wall 22 of the inner lid 2, when the cap 200 is attached, the plug portion 27 fits into the upper wall 12 of the mouth 10. By being inserted into the hole 14, the fitting hole 14 is capped, and the cap 200 is fixed to the mouth portion 10 of the container body 1.
  • a structure may be provided above the mouth portion 10 of the container body 1 as a separate component that is a vertically movable inner stopper.
  • the embodiment using the inner stopper will be described in detail in the third embodiment in which the outer lid has a rectangular tube shape, but the inner stopper may be applied to the embodiment in which the outer lid has a cylindrical shape.
  • the inner lid 2 of the cap 200 and the mouth 10 of the container body 1 are made of, for example, polypropylene (PP), polyethylene (PE), acrylonitrile butadiene styrene (ABS), polybutylene terephthalate (PBT), polyacetal (POM), Alternatively, it is made of a resin such as polyethylene terephthalate (PET).
  • PP polypropylene
  • PE polyethylene
  • ABS acrylonitrile butadiene styrene
  • PBT polybutylene terephthalate
  • POM polyacetal
  • PET polyethylene terephthalate
  • the outer lid 3 of the cap 200 may be made of the above resin, or a metal such as aluminum may be covered around the resin.
  • the inner lid 2 when the cap 200 is attached, the inner lid 2 is supported by contacting a part of the upper wall 12 of the mouth 10 and the protrusions 13a to 13d protruding from the outer peripheral wall 11.
  • FIG. 5 is an explanatory diagram of the mouth portion 10 of the container body 1 according to the first embodiment.
  • (a) is a plan view and (b) is a front view.
  • the outer peripheral wall 11 of the mouth 10 of the container body 1 is provided with protrusions 13a, 13b, 13c, 13d that are spaced at equal intervals and project outward in four directions. Has been.
  • FIG. 5B the upper portion of the shoulder portion 19 of the container body 1 is shown, but in the container body 1, as shown in FIG. An accommodating portion that accommodates the contents is provided.
  • the mouth 10 of the container body 1 shown in FIG. 5 is provided with the upper wall 12 having the fitting hole 14 formed therein, and the plug portion 27 provided on the inner lid 2 is provided in the fitting hole 14.
  • the mouth portion 10 of the container body 1 of the present invention may have an open structure without an upper surface. Closes the mouth opening by closing the cap.
  • a dispenser, a lipstick sleeve, or the like may be provided on the upper side of the mouth portion on the container body side, and the cap and the mouth portion may cover the mouth portion. ..
  • FIG. 6 is an explanatory diagram of the inner lid 2 of the cap 200 according to the first embodiment.
  • (a) is a plan view
  • (b) is a front view
  • (c) is a bottom view.
  • eight locking holes 29a to 29h are formed on the upper wall 22U side of the upper wall 22 of the inner lid 2.
  • the locking holes 29a to 29h are formed halfway in the thickness direction of the upper wall 22 and are not penetrated in the vertical direction, but the locking holes 29a to 29h are shown. May penetrate vertically in the upper wall 22.
  • the lower edge of the peripheral wall 21 of the inner lid 2 is composed of four valley portions V that are recessed upward and a mountain portion M that extends downward. It is a wavy bent edge with a groove, which has a wave shape and in which a groove 24 is formed at an upper end VB which is a valley bottom of the valley V.
  • peaks (lower ends) MP of the mountain portion M of the wavy curved edge with a groove which is the lower edge of the peripheral wall 21 are provided at equal intervals. That is, the same grooved valley shape is repeated four times in the circumferential direction with the peaks (lower ends) MP and MP as repeating units.
  • the grooved valley portion shown in FIG. 6B is formed by connecting the head portions of a plurality of waterfowls with the groove portion 24 formed in a hook shape as the apex of the wave when viewed from the lateral direction.
  • the shape is similar to the Kelvin-Helmholtz wave, which has a unique shape.
  • the first sloping surface 23 is an upwardly sloping slope
  • the second sloping surface 25 is a leftwardly sloping slope that does not cause an undercut when the lower die 8 shown in FIG. 11 is moved downward. Then, the inclination angles of the inclined surfaces 23 and 25 may be the same or different.
  • the first slope 23 is continuous with the gentle slope 231 with a gentle slope and the upper end of the gentle slope 231, and is a steep slope with a steeper slope than the gentle slope 231.
  • the upper edge 24U of the groove 24 extends from the upper end of the steep slope 232 at an angle different from that of the steep slope 232, and in the present embodiment, the groove 24 extends substantially horizontally.
  • the first inclined surface 23 has been described as an example of the two inclined surfaces 231 and 232 having different slopes, but the first inclined surface 23 may be a single slope. Alternatively, it may be curved.
  • the circumferential length of the second inclined surface 25 is longer than the circumferential length of the groove portion 24. Therefore, the retaining piece 26 can be formed with the surface near the lower end of the second inclined surface 25 as the upper edge. Specifically, by using a mold as shown in FIGS. 11 and 12, a retaining piece 26 is formed on the upper side of the second inclined surface 25 within the range in which the second inclined surface 25 extends, and the groove portion is formed. 24 can be formed.
  • FIG. 6 an example is shown in which the grooved valley portions V cut out above the lower edge of the peripheral wall 21 of the inner lid 2 are provided in the same number as the projections 13 of the mouth portion 10 on the container body 1 side.
  • the number of grooved valley portions V may be larger than that of the protrusions 13 of the mouth portion 10.
  • the number of the grooved valley portions V of the inner lid 2 is set to be a multiple of the number of the protrusions 13.
  • the number of grooved valley portions V may be 8, 12, 16, and so on.
  • the groove 24 extends substantially rightward continuously from the upper end of the steep slope 232 of the first slope 23 which is an upward slope. This is because the cap is generally set to close clockwise and open counterclockwise, so that the configuration is adapted.
  • the groove portion 24 has about 1/6 to 4/9 of each repeating cycle of the grooved valley portion V between the lower ends MP of the mountain portions and MP. It is set in the section.
  • the corrugated shape consisting of the valleys and peaks excluding the groove 24 of the inner lid 2 of FIG. 6B is formed by using the lower mold 8 of FIG. 11, and the groove 24 is formed by the side surface metal mold of FIG. It is formed by using the protrusion of the mold 7. Therefore, the extension length of the groove portion 24 in the circumferential direction of the inner lid 2 is a range that can be projected in the moving direction of the side surface mold 7 in FIG. 11, and is a retaining piece that passes from the peak MP to the second inclined surface 25. It can be freely set as long as it is shorter than the range up to the tip 26P of 26, that is, the portion of the second inclined surface 25 of FIG. 6C.
  • the position of the extending end 24S of the groove 24 in FIG. 6 (b) can be set up to the right peak (lower end) MP position in the mold structure of FIG. Therefore, in the peripheral wall 21, the angle corresponding to the range in which the groove 24 exists is about 15 ° to 40 °. Therefore, the rotation angle ⁇ 1 shown in FIG. 6C for moving the groove portion 24 in the circumferential direction of the peripheral wall 21 at the time of opening the lid is about 15 ° to 40 °.
  • the number of grooved valley portions V of the inner lid 2 changes according to the number of the protrusions 13 of the mouth portion 10 of the container body 1.
  • the number of the protrusions 13 is the same as the number of the grooved valley portions V, and when the number of the protrusions 13 is changed, the groove portions 24 should have the same length as the present configuration.
  • the rotation angle may be the same as that when four caps are provided, or the groove portion 24 is made longer or shorter than the case where four caps are provided to engage and engage the cap 200 when the cap is opened. You can also adjust the rotation angle for unlocking.
  • 6 (b) and 6 (c) show an example in which the first inclined surface 23 is extended more gently than the second inclined surface 25 and is longer than the second inclined surface 25.
  • the ratio of the lengths of the first inclined surface 23 and the second inclined surface 25 in the four divided portions in the circumferential direction is changed. You can also do it.
  • the length of the groove 24 can be adjusted according to the length of the second inclined surface 25 in the circumferential direction.
  • FIG. 7 is an explanatory diagram of the outer lid 3 of the cap 200 according to the first embodiment.
  • (a) is a plan view
  • (b) is a front view
  • (c) is a bottom view.
  • the lower surface 32L of the ceiling wall 32 of the outer lid 3 is provided with eight protrusions 33a to 33h.
  • the projections 33a to 33h are provided in the same number as the locking holes 29a to 29h of the upper wall 22 of the inner lid 2, and are inserted into the locking holes 29a to 29h of the inner lid 2 when the cap 200 is assembled. Are combined. By this fitting, in the cap 200, the outer lid 3 and the inner lid 2 rotate integrally.
  • the rotation stopping function of the inner lid 2 and the outer lid 3 may be realized by a knurled shape. Specifically, at least part of the outer circumference of the peripheral wall 21 of the inner lid 2 and the inner circumference of the side wall 31 of the outer lid 3 are formed into knurled shapes such as a flat groove, an uneven shape, and a twill shape, and are engaged with each other to rotate in the rotation direction. By increasing the frictional force of, the outer lid 3 is prevented from rotating with respect to the inner lid 2 and is rotated together.
  • FIG. 8 is a front view showing the rotation of the cap 200 with respect to the mouth portion 10 in the present invention. Specifically, in FIG. 8, (a) shows a state in which the first inclined surface 23 at the lower edge of the inner lid 2 slides with respect to the protrusion 13 a, and (b) shows the first inclined surface 23. And FIG. 13C is a diagram showing a state where the protrusion 13a reaches the boundary between the groove portion 24 and the groove portion 24, and FIG.
  • the cap 200 descends while automatically rotating clockwise due to gravity, so that the cap 200 is located at the upper end VB that is the valley bottom that is the boundary between the first inclined surface 23 and the groove 24 shown in FIG. 8B.
  • the projection 13a reaches the state where it reaches, the user rotates the cap 200 clockwise to shift the state of the cap 200 from the state of FIG. 8B to the state of FIG. 8C.
  • the protrusion 13a is fitted into the groove 24.
  • the cap 200 is rotated clockwise. By rotating, the position in contact with the protrusion 13a shifts from the starting point of the groove portion 24 to the end point, the protrusion 13a is fitted into the groove portion 24, and the cap 200 is tightened.
  • the protrusion 13a of the mouth portion 10 comes into contact with the extended end 24S of the groove portion 24, so that the sensory function which is completely closed is obtained. can get.
  • a click may be made in addition to the tactile sensation that it cannot be pressed any further.
  • the user rotates the cap 200 counterclockwise to move the inner lid 2 from the position shown in FIG. 8C to the position shown in FIG.
  • the cap 200 can be lifted upward and removed. it can.
  • the steep slope 232 that is the slope connecting the upper edge 24U of the groove 24 with a steep angle, a feeling that the cap 200 is lifted up when the user removes the cap 200 is created. be able to.
  • FIG. 9 is a front view showing the rotation of the cap 200 with respect to the mouth portion 10 in the first embodiment.
  • the above-mentioned valley portion of the lower edge of the peripheral wall 21 of the inner lid 2 which is scooped upward is configured to include the inclined surfaces 23 and 25 in two directions as described above.
  • the orientation of the cap 200 on the mouth portion 10 is not considered.
  • the projection 13a of the mouth portion 10 comes into contact with either the first inclined surface 23, the second inclined surface 25, or the upper end VB which is the valley bottom when properly placed. Therefore, the cap 200 can start the automatic rotation descent along the protrusion 13a due to gravity, or can be left at the position where the upper end VB, which is the lowermost position of the slide of the cap 200, contacts the protrusion 13a.
  • the cap 200 when the cap 200 is mounted, the cap 200 is placed at an arbitrary position of the mouth portion 10 and the automatic rotation descending by gravity along the first inclined surface 23 or the second inclined surface 25 is performed. After the above, the user can shift the cap 200 to the engaged state by only slightly rotating the cap 200, which corresponds to the length of the groove portion 24.
  • the rotation angle required for the user to close the cap 200 can be set smaller than that of the spiral thread groove cap, and the cap 200 can be engaged more quickly to reduce the labor of the user. It will be possible.
  • the cap 200 slides by its own weight on the assumption that the mouth 10 and the cap 200 of the container body 1 are made of resin. The configuration has been described.
  • At least one of the plug portion 27 of the inner lid 2 and the inner wall 14I of the fitting hole 14 of the mouth portion 10 of the container body 1 is made of a material such as rubber that is brought into close contact with and elastically deformed, and at least a part thereof is formed.
  • the plug portion 27 enters in close contact with the inner wall 14I and stops in close contact when the cap 200 is mounted, so that airtightness in the fit state may be achieved. ..
  • the plug portion 27 generates a larger resistance at the contact portion with the inner wall 14I than that of the structure which is not airtight. Therefore, when mounting the cap 200, the user mounts the cap 200 from above after mounting. By pushing, it is moved to the state of FIG. 8 (a) ⁇ FIG. 8 (b) or FIG. 9 (a) ⁇ FIG. 9 (b). Further, when removing the cap 200, the user rotates the cap 200 with a force stronger than the contact between the resins having low resistance, and the protrusion 13 a causes the steep slope 232 and the gentle slope 231 of the first slope 23 to move. Around the time when the boundary is reached, the cap 200 is released from the mouth portion 10 from the state of FIG. 8B and can be removed.
  • the plug portion 27 and the fitting hole 14 provide a structure close to an airtight structure, or a rubber around the plug portion 27 or the fitting hole 14.
  • the example of engaging with the airtight structure using the above was described, even if the mouth is open and the cap is fitted to close the opening with the inner lid, it is essential to engage the cap with the mouth.
  • the invention can be applied. In that case, since the cap does not receive resistance due to the airtightness due to the stopper structure, slide the cap by its own weight when closing the lid and release the engagement between the cap and the mouth part with a light force when opening the lid. You can
  • Modification of groove 10A to 10F are views showing modified examples of the groove portion 24 of the inner lid 2 of the present invention.
  • the U-shaped groove portion 24 extending in the lateral direction has been described in the peripheral wall 21 of the inner lid 2.
  • the shape of the groove 24 is not limited to the above configuration.
  • FIG. 10A is a diagram showing the linear U-shaped groove portion 24 in the above embodiment.
  • the groove portion 24 has the upper edge 24U, the lower edge 24L, and the straight extending portion 241 that is linear in the lateral direction (substantially horizontal direction) and is surrounded by the extending end 24S.
  • the upper side 261 of the retaining piece 26 defines the lower edge 24L of the groove 24.
  • the upper side 261 of the retaining piece 26 extends along the circumferential direction of the peripheral wall 21 of the inner lid 2.
  • FIG. 10B is a diagram showing the groove portion 24A having a step at the starting point.
  • the protrusion 262 is configured such that the tip (apex) of the upper side 261A of the retaining piece 26A projects upward, so that the starting point of the linear extension 241A is recessed upward. It is a concave portion 242 that is open.
  • the recessed portion 242 which is recessed upward is provided at the lower edge of the groove portion 24A, the protrusions 13a to 13d of the mouth portion 10 are fitted over the protruding portion 262 of the retaining piece 26A, so that the protrusions when mounting or dismounting can be carried out. At that time, a click feeling can be given, and the effect of preventing the container 100 from coming off during an impact from the outside such as when the container 100 falls down can be further enhanced.
  • FIG. 10C is a diagram showing a groove portion 24B having a step in the middle.
  • the convex portion 263 is configured such that the middle portion of the upper side 261B of the retaining piece 26B protrudes upward, so that the groove portion 24B is formed upward in the middle portion of the lower edge of the linear extension portion 241B.
  • a recessed portion 243 is formed.
  • the protrusion 13 of the mouth portion 10 rides over the protruding portion 263 of the retaining piece 26B and fits into the recessed portion 243. It is possible to further enhance the effect of preventing slipping out at the time of impact from the outside.
  • the groove portion 24 that extends in the substantially horizontal direction has been described.
  • the extending direction of the groove portions 24A and 24B is not steeper than the steep slope 232 of the first inclined surface 23, and at least the starting point is different from the steep slope 232 and the second inclined surface 25.
  • the inclination angles may be any angles such as curved as shown in FIG. 10D, horizontal as shown in FIG. 10A, and bent as shown in FIG. 10E.
  • FIG. 10D is a diagram showing a curved groove portion 24C.
  • the groove 24C has a convex curved portion 264 in which a part of the upper side of the retaining piece 26C is convexly curved, so that the groove 24C has a curved shape that is recessed upward at the lower edge of the groove 24C.
  • a curved portion 245 is formed.
  • the protrusion 13 of the mouth portion 10 is fitted over the curved portion (convex curved portion 264), and is fitted from the outside when the container 100 falls over. It is possible to further enhance the effect of preventing the slipping off at the time of impact.
  • FIG. 10E is a diagram showing a bent groove portion 24D.
  • a part of the upper side of the retaining piece 26D is configured to be bent in a convex shape, so that at least the upper edge of the groove 24D is bent in an inverted V shape.
  • the lower edge of the groove 24D has a shape that is convexly bent upward. That is, the linear portions 246 and 247 in the groove portion 24D extend in different directions.
  • the groove 24D has a bent shape upward and a part of the bent portion of the groove 24D has a downward-sloping shape, it becomes difficult to open with a lateral force alone, and the outside of the container 100, such as when the container 100 falls over. It is possible to further enhance the effect of preventing the slip-out at the time of impact from.
  • the steep slope 232 that is the slope connecting to the upper edge 24U of the groove 24 is formed at a steep angle with respect to the upper edge 24U of the groove 24, and in FIG.
  • FIG. 10F is a diagram showing the groove 24E extending in the same direction as the steep slope 232.
  • the upper edge 24UE of the groove 24E extends linearly continuously in the same direction from the steep slope 232 of the first inclined surface 23. Therefore, when the cap 200 is closed, the inner lid 2 projects due to gravity. By sliding along 13, the protrusion 13 can be automatically guided to the groove 24E by its own weight without being rotated by the user.
  • the cap 200 is automatically tightened, but it is assumed that the inner lid 2 is opened by an impact from below among impacts from the outside.
  • the retaining effect be obtained by providing unevenness at the upper edge of the retaining piece 26 and at the root or intermediate portion of the lower edge portion 24LE of the groove portion 24E.
  • FIG. 11 is a top perspective view showing a mold at the time of manufacturing the inner lid 2 of the cap 200 according to the first embodiment
  • FIG. 12 is a view at the time of manufacturing the inner lid 2 of the cap 200 according to the first embodiment. It is a bottom perspective view showing a metal mold.
  • the inner lid 2 according to the first embodiment is injection-molded with resin while being sandwiched between the upper mold 9, the side mold 7, and the lower mold 8.
  • the side surface mold 7 is composed of four side surface molds 7a, 7b, 7c, 7d, and forms the groove 24 and the outer peripheral surface of the peripheral wall 21 of the inner lid 2.
  • the lower surface of the upper mold 9 has a plurality of locking holes 29a to 19h in the annular standing portion 28 on the upper surface of the inner lid 2 shown in FIG.
  • An annular ring groove 91 shown in FIG. 12 is formed in 9U, and a plurality of projections 92a to 92h are provided so as to hang downward from the ceiling surface of the ring groove 91.
  • the lower die 8 forms a protrusion-shaped plug portion 27 and the lower surface of the upper wall 22 other than the groove portion of the peripheral wall 21 of the inner lid 2.
  • FIGS. 11 and 12 on the outer peripheral surface 8S of the lower die 8, there are four continuous mountain-shaped steps for forming the wavy curved edges with grooves of the inner lid 2. Increasing slopes 81a, 81b, 81c (not shown), 81d (not shown) and upward slopes 82a, 82b, 82c (not shown), 82d (not shown) are formed.
  • the outer peripheral surface 8S of the lower die 8 has a valley bottom VB8 corresponding to the crest (lower end) MP of the crest M at the grooved wavy curved edge of the inner lid 2, and the bottom of the valley V (upper end). ) It has a peak MP8 corresponding to VB.
  • a hole 83 is formed in the center of the upper surface 8U of the lower die 8. When the resin enters the hole portion 83, the plug portion 27 that hangs down from the center of the upper wall 22 of the inner lid 2 is formed.
  • the retaining piece 26 cannot be formed only by the lower mold 8.
  • each side surface mold 7c, 7d in order to form the retaining piece 26 that defines the groove 24 on the peripheral wall 21 of the inner lid 2, referring to FIGS. 11 and 12, the inner periphery of each side surface mold 7c, 7d.
  • Projections 72c and 72d are formed on the portions 71c and 71d at positions that match the positions of the upper ends (apex) of the ridges of the lower die 8.
  • convex portions 72a and 72b are also formed on the side surface molds 7a and 7b at positions corresponding to the positions of the upper ends of the ridges of the lower mold 8. In this manner, the four side surface molds 7a, 7b, 7c, 7d are provided with the convex portions 72a, 72b, 72c, 72d, one each.
  • the side surface mold 7 is provided with the convex portions 72a, 72b, 72c, 72d that spread upward and sideways from the position matching the position of the upper end (apex) of the lower mold 8 and divided into four parts. Since it is formed with the mold of No. 3, the lower edge which is the wavy curved edge with groove of the peripheral wall 21 of the inner lid 2 including the retaining piece 26 that defines the groove 24, which cannot be formed only by the lower die 8, is formed. It can be formed of resin. Further, the four side surface molds 7a, 7b, 7c, 7d are provided with step portions 73a, 73b, 73c, 73d for forming steps of the peripheral wall 21 of the inner lid 2.
  • the left side of the position of the line C1 in FIG. 10A and the part below the second inclined surface 25, that is, all the parts except the groove 24 may be formed by the lower mold 8.
  • the lines C2, C3, and C4 shown in FIG. 10A may be set at the boundary between the portion formed by the lower die 8 and the portion formed by the side die 7.
  • a grooved wavy bend having slidable surfaces 23 and 25, which is a slide engagement mechanism, and a retaining piece 26 for defining the groove 24 is provided at the lower edge of the inner lid 2.
  • resin molding is performed using a mold that is sandwiched from the entire circumference in the vertical and horizontal directions. Therefore, in the resin molding of the inner lid of the present invention, the required number of molds can be reduced, the molds can be simplified, and the manufacturing cost is lower than in the conventional example in which the inclined side is molded on the mouth side.
  • FIGSecond Embodiment> 13A and 13B are views showing the inner lid 2 ⁇ of the cap according to the second embodiment of the present invention, FIG. 13A is a top perspective view, and FIG. 13B is a bottom perspective view.
  • the groove portions 24 were provided in all of the four wavy, valley bottoms (upper ends) VB of the upwardly scooped valley portions.
  • the groove 24 may be formed on at least two upper ends of the upper ends VB of the valleys that are scooped upward.
  • the lower edge of the peripheral wall 21 ⁇ of the inner lid 2 ⁇ is provided with a grooved valley portion V and a grooveless valley portion V ⁇ which are scooped upward with the mountain portion hanging downward interposed therebetween.
  • the upper portion of the grooveless valley portion V ⁇ in which the groove portion 24 is not provided has a wave shape similar to a sawtooth wave when viewed from the lateral direction, and the inclined first inclined surface 23 ⁇ and the abutting surface 20 that extends almost vertically. And a short second inclined surface 25 ⁇ are included.
  • the first inclined surface 23 ⁇ is continuous with a gentle inclined surface 231 having a gentle inclination and an upper end of the gently inclined surface 231, and a steep inclined surface 232 having a steeper slope than the gentle inclined surface 231. And an upper gentle slope 233 extending from the upper end of the steep slope 232 to the extending upper end VB ⁇ .
  • the upper edge 24U of the groove portion 24 extends from the upper end of the steep slope 232 at an angle different from that of the steep slope 232, and in the present embodiment, is substantially horizontal. Stretched in the direction.
  • the first inclined surface 23 ⁇ is located at a position corresponding to the valley bottom VB of the grooved valley portion V, and is higher than the upper end VB of the valley portion where the groove portion 24 is formed. Also, since the groove 24 is extended by the upper edge of the groove 24 and hangs down from the extended upper end VB ⁇ , the retaining piece 26 is not provided.
  • the protrusions 13a, 13b, 13c, 13d of the mouth 10 of the container body 1 engage with the other groove 10 of the container body 1 when the two grooves 24 are engaged.
  • the two protrusions 13 abut on the periphery of the upper end of the abutting surface 20, which is a line segment hanging from the extending upper end VB ⁇ of the first inclined surface 23 ⁇ .
  • 13A and 13B show the example in which the abutting surface 20 extends substantially vertically from the upper end, the extending direction of the abutting surface 20 may not be vertical but may be inclined. ..
  • the second inclined surface 25 ⁇ is further provided below the lower end MP ⁇ of the abutting surface 20 has been shown, but when the interval between the mountain portion M and the valley portion V is narrow, The second inclined surface 25 ⁇ may not be provided below the lower end MP ⁇ of the abutting surface 20.
  • FIG. 14 is a top perspective view showing a mold during manufacturing of the inner lid 2 ⁇ of the cap according to the second embodiment
  • FIG. 15 is a mold during manufacturing of the inner lid 2 ⁇ of the cap according to the second embodiment. It is a bottom perspective view showing.
  • the side surface mold 7 ⁇ corresponding to the inner lid 2 ⁇ of the cap according to the second embodiment, which is sandwiched from the entire circumference in the lateral direction, is composed of two side surface molds 7e and 7f.
  • the upper die 9 has the same configuration as that of the first embodiment.
  • the four side surface metal pieces are divided into the same number as the groove portion 24. Molds 7a, 7b, 7c, 7d were required. However, in the inner lid, if at least two groove portions for fitting are provided 180 degrees apart, the fitting function can be realized.
  • the upper surface 8U has the same shape, and the stepped portion of the outer peripheral surface 8S ⁇ of the side surface corresponding to the grooved valley V having the hook-shaped groove 24 is It has a mountain-like shape composed of inclined portions 81 and 82 similar to FIGS. 11 and 12. Further, unlike the second embodiment, the portion corresponding to the grooveless valley portion V ⁇ in which the groove portion 24 is not provided is provided with the inclined sides 81 ⁇ and 82 ⁇ and the upright side 84 extending in the vertical direction.
  • the retaining pieces 26 are formed.
  • the number of divisions of the side surface mold 7 ⁇ may be two.
  • the four corrugated portions formed by the continuous valley portion V and the mountain portion M in FIG. 6 are formed by the lower mold 8 in FIG. 11, and the groove portion 24 in FIG. It can be freely set as long as it can be projected in the moving direction of the side surface mold 7. Therefore, regarding the position of the extended end 24S of the groove 24 of FIG. 6B, the thickness of the product is subtracted from the end to the right MP point in the case of the mold structure of FIG. It can be set up to that point.
  • the side surface molds 7e and 7f are divided into two, the number of molds can be further reduced, and the molds for the entire manufacture of the inner lid having the slide engagement function can be made inexpensive. , It is possible to further reduce the trouble of pulling out the mold.
  • FIG. 16 is a view with the outer lid 5 of the container 100 ⁇ with a cap according to the third embodiment of the present invention removed
  • FIG. 17 is an external view showing the entire container 100 ⁇ with a cap according to the third embodiment. is there.
  • the present embodiment is different from the first embodiment in that the outer lid 5 of the cap 200 ⁇ is rectangular as shown in FIG. Further, as shown in FIG. 16, the inner lid 4 of the cap 200 ⁇ is provided with a lower end tubular portion (outer peripheral tubular portion) 481 on the lower side and a lower end flange 482 protruding outward in a rectangular shape.
  • FIG. 18A and 18B are exploded views of the container with a cap 100 ⁇ according to the third embodiment.
  • FIG. 18A is an exploded perspective view of the cap 200 ⁇ seen from above
  • FIG. 18B is an exploded view of the shoulder 19 seen from below. It is a perspective view.
  • the inner stopper 6 is attached to the container body 1 ⁇ .
  • the inner plug 6 is, for example, linear low density polyethylene (LLDPE (Linear Low Density Polyethylene)), low density polyethylene (LDPE (Low Density Polyethylene)), polypropylene (PP (Polypropylene)), etc. Composed of soft material.
  • LLDPE Linear Low Density Polyethylene
  • LDPE Low Density Polyethylene
  • PP Polypropylene
  • the outer lid 5 has a double ring shape and extends downward from the lower surface of the ceiling wall 52 and has an annular shape provided inside the side wall 51.
  • a lid inner cylinder 53 which is an inner ring formed of a protrusion, is provided. Further, the lower end of the lid inner cylinder 53 of the outer lid 5 has a shape having steps 531 and 532, and is in close contact with and engages with the upper end of the lower end abutting portion 48 of the inner lid 4.
  • the lower end abutting portion 48 of the inner lid 4 of the cap 200 ⁇ is in contact with the outer peripheral surface 17O of the lower end large diameter portion 17 of the side surface of the mouth portion 10 ⁇ . Therefore, the inner lid 4 is vertically supported by the upper wall 62 of the inner plug 6 and the lower end large-diameter portion 17 of the mouth portion 10 ⁇ , so that the inner plug 6 which is an elastic member moves vertically. Even in this case, the inner lid 4 can be engaged with the mouth portion 10 ⁇ at an appropriate position by engaging with the lower end large diameter portion 17.
  • FIG. 19 is a front cross-sectional view of the cap and the mouth portion of the container body according to the third embodiment.
  • the inner side surface 61I of the outer peripheral wall 61 of the inner plug 6 and the outer side surface 64O of the inner cylinder 64 are fitted so as to sandwich the upper end small diameter portion 16 of the mouth portion 10 ⁇ of the container body 1 ⁇ .
  • the inner plug 6 is hermetically attached to the mouth portion 10 ⁇ of the container body 1 ⁇ .
  • the inner plug 6 is made of LLDPE, LDPE, PP or the like which is a softer resin than the container body 1 ⁇ , when the plug portion 47, which is the protrusion of the inner lid 4, is inserted into the fitting hole 63 of the inner plug 6. It is also possible to configure so as to improve the sealing performance between the stopper and the lower surface 42L of the upper wall 42 of the inner lid 4.
  • the outer lid 5 is provided with a lid inner cylinder 53 which is a hanging cylindrical wall. Has been.
  • the outer peripheral surface 41O of the peripheral wall 41 of the inner lid 4 is in contact with and engaged with the inner peripheral surface 53I of the lid inner cylinder 53 of the outer lid 5.
  • the lower end tubular portion (outer peripheral tubular portion) in the lower end abutting portion 48 at the lower portion of the side surface of the inner lid 4 has a two-step shape.
  • the upper portion is a thin portion 483 and the lower portion is a thick thick portion 481.
  • the cap 200 ⁇ includes an upper surface 481U of the thick portion 481 of the lower end tubular portion of the inner lid 4 and an outer peripheral surface 483O of the thin portion 483, and a cap inner tube 53 of the outer lid 5.
  • the steps 531 and 532 at the lower ends are engaged with each other.
  • the inner lid cylinder 53 of the outer lid 5 has the inner peripheral wall 41, which is the side surface of the inner lid 4, and the thick portion 481 of the outer end tubular portion of the lower end contact portion 48 in the peripheral surface shape and the lower portion.
  • FIG. 20A and 20B are explanatory views of the mouth portion 10 ⁇ of the container body 1 ⁇ according to the third embodiment, where FIG. 20A is a plan view and FIG. 20B is a front view.
  • the container main body 1 ⁇ of the present embodiment is open without the upper wall 12 of the mouth portion 10 ⁇ , and the upper end small-diameter portion is provided at the upper end around the opening. 16 is provided, and a lower end large diameter portion 17 having a larger diameter than the cylindrical wall 11 ⁇ is provided at the lower end of the mouth portion 10 ⁇ .
  • FIG. 21 is an explanatory diagram of the inner stopper 6 attached to the mouth portion 10 ⁇ of the container body 1 ⁇ according to the third embodiment.
  • (a) is a plan view
  • (b) is a front view
  • (c) is a bottom view.
  • the inner plug 6 has an outer peripheral wall 61, an upper wall 62, and an inner cylinder 64, and the upper wall 62 is formed with a fitting hole 63 penetrating vertically.
  • An annular raised portion 65 is formed around the fitting hole 63.
  • cap 200 and the mouth portion ⁇ of the container body 1 ⁇ are engaged with each other via the inner plug 6 provided with the fitting hole 63 . Then, the cap 200 may be directly attached without providing the inner plug.
  • FIG. 22 is an explanatory diagram of the inner lid 4 of the cap 200 ⁇ according to the third embodiment.
  • (a) is a plan view
  • (b) is a front view
  • (c) is a side view
  • (d) is a bottom view.
  • the groove portion 44 is provided at two positions of the upper ends VB of the four valley portions that are scooped upward. Is provided at the upper end, and an abutting surface 40 is formed at the other two upper ends.
  • the grooved valley portion V (see FIG. 24B) includes a first inclined surface 43 that is an inclined lower edge portion and a second inclined surface 45 that intersects the first inclined surface 43 at an inclination angle. Has been done.
  • the first inclined surface 43 has a lower gentle slope 431 with a gentle slope and an upper steep slope 432 with a steep slope.
  • the groove portion 44 provided in two valley bottoms VB of the valley bottoms (upper ends) of the four valley portions that are scooped upward as shown in FIG.
  • the groove portion 44 which is a groove with which the protrusion 13 slides and engages, has a shape similar to the modification example shown in FIGS. 10A to 10F. May be
  • the groove 44 is formed in two of the four valleys, but the groove 44 is formed in all of the four valleys as in the first embodiment. It may have been done.
  • FIG. 23 is an explanatory diagram of the outer lid 5 of the cap 200 ⁇ according to the third embodiment.
  • (a) is a plan view
  • (b) is a front view
  • (c) is a bottom view.
  • the outer lid 5 of the cap 200 ⁇ has a double cylinder structure including a side wall 51, a ceiling wall 52, and a lid inner cylinder 53.
  • the cap 200 ⁇ when the cap 200 ⁇ is mounted in this configuration, the cap 200 ⁇ is placed at an arbitrary position of the mouth portion 10 ⁇ , and the first inclined surface 43 is formed.
  • the user when the automatic rotation descent along the second inclined surface 45 is completed by gravity, the user can shift the cap 200 ⁇ to the engaged state by only slightly rotating the cap 200 ⁇ , which corresponds to the length of the groove portion 44. it can.
  • the fitting hole 63 of the inner plug 6 ⁇ has a small diameter so as to be in close contact with the plug portion 47, resistance for sealing is generated. Therefore, when the cap 200 ⁇ is attached, the user places the cap 200 ⁇ on the top to move the cap 200 ⁇ to the state of FIG. 8A ⁇ FIG. 8B or FIG. 9A ⁇ FIG. 9B. After that, the cap 200 ⁇ is shifted to the engaged state by only slightly rotating the cap 200 ⁇ , which corresponds to the length of the groove portion 44.
  • the inner plug 6 since the inner plug 6 is included, when the cap 200 ⁇ rotates, the inner plug 6 descends together with the inner lid 4 and becomes airtight. Therefore, pressing from the top when closing the lid is not necessary. is there.
  • the groove portion 44 is inclined, when removing the cap 200 ⁇ , the user rotates the cap 200 ⁇ in the opening direction, and the protrusion 13 reaches the boundary between the first inclined surface 43 and the groove portion 44, for example. At this point, the inner plug 6 moves up, and the cap 200 can be removed from the mouth 10 by releasing the airtightness from the state shown in FIG. 8B.
  • the rotation angle required for the user to close the cap 200 ⁇ can be set smaller as shown by ⁇ 3 in FIG. Therefore, it becomes possible to reduce the labor of the user.
  • the engagement state can be released by only a slight rotation corresponding to the length of the groove portion 44, so that the rotation angle required for opening the lid can be set small. , Less operation and faster usage.
  • FIG. 24A and 24B are perspective explanatory views of the inner lid 4 of the cap 200 ⁇ according to the third embodiment.
  • FIG. 24A is a view of the vicinity of the grooveless valley portion V ⁇ where the hook-shaped groove portion 44 is not formed, as viewed from the inside
  • FIG. 24B is a view of the grooved valley portion V around which the hook-shaped groove portion 44 is formed, from the inside. It is the figure seen. Note that, since FIG. 24 shows the back surface from the inside by a transparent view, it is the opposite of the view seen from the outside.
  • the lower edge of the peripheral wall 41 of the inner lid 4 is provided with a grooved valley portion V and an ungrooved valley portion V ⁇ , which are dug upward, sandwiching a mountain portion that hangs downward.
  • the groove portion 44 is not provided, and it has a wave shape similar to a sawtooth wave, and includes an inclined first inclined surface 43 ⁇ and an abutting surface 40 that extends almost vertically. It is composed of.
  • the second inclined surface 25 ⁇ is further provided below the lower end MP ⁇ of the abutting surface 20, but in the present embodiment, the inside of the cylinder is shown.
  • the lower end MP ⁇ of the abutting surface 40 is approximately the same height as the lower end MP of the mountain portion formed by the second inclined surface 45 and the first inclined surface 43 ⁇ in the grooved valley portion V. Therefore, in the present embodiment, the grooveless valley portion V ⁇ in which the abutting surface 40 is provided does not have the second inclined surface, and the lower end MP ⁇ of the abutting portion is the lowermost end portion.
  • a second inclined surface may be provided below the abutting surface 40 in the grooveless valley portion, as in the second embodiment.
  • the lower part of the peripheral wall 41 of the inner lid 4 is configured to be hidden when viewed from the outside. That is, the periphery of the lower ends MP and MP ⁇ , which are the portions protruding below the wavy bent portion (slide piece) of the peripheral wall 41, are connected to the inner periphery of the lower end contact portion 48.
  • the inner lid 4 of this configuration can be resin-molded by an upper mold, a lower mold, and a side mold divided into two.
  • the peripheral wall 41 having a small diameter which is the side surface of the inner lid 4 is formed.
  • the lower end contact portion 48 having a diameter larger than that of the peripheral wall 41 is resin-molded.
  • the periphery of the lower end MP which is the summit of the wavy bent edge of the peripheral wall 41, and the lower end contact.
  • the thick portion 481 of the lower tubular portion of the portion 48 may be overlapped, and the overlapped portion may be integrally formed.
  • the number of required molds can be further reduced and the molds can be simplified, so that the manufacturing cost is lower than the conventional example in which the inclined side is molded on the mouth side. it can.
  • the groove portions 44 are formed at two upper ends of the four upper ends of the valley portions V and V ⁇ , so that the side surface mold for injection molding the inner lid 4 is divided into two molds. It is possible to further reduce the number of the molds, reduce the cost of the mold for the entire manufacturing of the inner lid having the slide engagement function, and further reduce the time and effort required for removing the mold.
  • FIG. 25A and FIG. 25B a third embodiment and a fourth embodiment in which the outer lid and the inner lid have different engagement structures will be described.
  • the present embodiment is different from the third embodiment in that an upper end protruding portion 49 having an outer rectangular shape is provided on the upper side of the inner lid 4 ⁇ of the cap 200 ⁇ and the shape of the outer lid 5 ⁇ . ..
  • FIG. 25A and 25B are exploded views of the container 100 ⁇ with a cap according to the fourth embodiment.
  • FIG. 25A is an exploded perspective view seen from above the cap 200 ⁇
  • FIG. 25B is an exploded perspective view seen from below the shoulder portion 19.
  • the mouth portion 10 ⁇ of the container body 1 ⁇ has a cylindrical shape without an upper surface, and the upper end of the side surface of the mouth portion 10 ⁇ is an upper end small diameter portion 16 having a smaller diameter than the other cylindrical walls 11 ⁇ . Further, a lower end large diameter portion 17 having a diameter larger than that of the tubular wall 11 ⁇ is provided at the lower end of the mouth portion 10 ⁇ .
  • the cap 200 is composed of an outer lid 5 ⁇ having a cylindrical shape with a top and a substantially cylindrical inner lid 4 ⁇ .
  • the outer lid 5 ⁇ has a side wall 51 ⁇ and a ceiling wall 52, and the lid inner cylinder 53 of the third embodiment is not provided. No step is provided at the lower end of the side wall 51 ⁇ .
  • the inner lid 4 ⁇ has a peripheral wall 41 ⁇ , an upper wall 42, an upper end protruding portion 49, and a lower end contact portion 48.
  • the side wall of the inner lid 4 ⁇ is composed of a peripheral wall 41 ⁇ and a lower end tubular portion 481 of the lower end contact portion 48.
  • the lower edge of the peripheral wall 41 ⁇ of the inner lid 4 ⁇ is a wavy curved edge with a groove, similarly to the peripheral wall 21 of the first embodiment, and four corrugations are formed.
  • the valley portion V that is the shape that is scooped upward has the first inclined surface 43 that is the inclined lower edge portion and the first inclined surface 43.
  • the second inclined surface 45 is inclined in a direction intersecting with the inclined direction.
  • the upper edge 44U of the groove portion 44 continuously extends from the first inclined surface 43, and the lower edge 44L of the groove portion 44 extends substantially laterally with respect to the upper end of the second inclined surface 45. Further, a portion sandwiched between the lower edge 44L of the groove portion 44 and the second inclined surface 45 serves as a retaining piece 46.
  • the outer frames of the upper end projecting portion 49 and the lower end flange 482 have a quadrangular shape, and the outer surfaces of the upper end projecting portion 49 and the lower end flange 482 are fitted by being fitted into the inside of the rectangular tubular outer lid 5 ⁇ . Then, when the cap 200 ⁇ rotates, the outer lid 5 ⁇ and the inner lid 4 ⁇ are prevented from misaligning with each other and rotate together.
  • the inner lid 4 ⁇ of this configuration can be resin-molded by an upper die, a lower die and a side die divided into four.
  • the depth of the step is adjusted on the outer peripheral surface of the lower mold, and the step is provided at the lower end of the inner peripheral surface of the side surface mold so that the side wall of the inner lid 4 ⁇ has a small-diameter peripheral wall 41.
  • the lower end contact portion 48 ⁇ having a diameter larger than that of the peripheral wall 41 is resin-molded.
  • the periphery of the lower end MP which is the summit of the wavy bent edge of the peripheral wall 41, and the lower end contact.
  • the thick portion 481 of the lower tubular portion of the portion 48 may be overlapped, and the overlapped portion may be integrally formed.
  • the groove portions are formed at the upper ends of all the valley portions (four), but in this configuration also, the groove portions may be formed in the two valley portions.
  • FIG. 26 is a view with the outer lid of the capped container according to the fifth embodiment of the present invention removed, and FIG. 27 is an external view showing the entire container 100 ⁇ with a cap according to the fifth embodiment.
  • the present embodiment as compared with the third embodiment, as shown in FIG. 26, there are two corrugations that are composed of a series of valleys and peaks at the corrugated bent edge at the lower end of the inner lid 4 ⁇ . The difference is that a groove is formed at the apex of the two valleys.
  • the shape of the upper surface 52 ⁇ of the outer lid 5 ⁇ is not a square but a rectangle, and the outer surface of the side wall 51 ⁇ of the outer lid 5 ⁇ is a storage portion below the shoulder portion 19 of the container body 1 ⁇ . It is different in that it is located substantially in the same line as the outer surface of the side wall.
  • the lower flange 482 ⁇ of the inner lid 4 ⁇ is provided with two reinforcing ribs 484 on the left and right so as to extend in a diagonal direction, with the tubular peripheral wall 41 ⁇ interposed therebetween.
  • a flat portion 485 having a flat outer surface is provided on a surface of the lower end tubular portion 481 ⁇ in the short side direction.
  • FIG. 28 is an exploded view of the container 100 ⁇ with a cap according to the fifth embodiment, and is a perspective view seen from below.
  • the lower edge of the inner peripheral wall of the inner lid 4 ⁇ is the first inclined surface 43 ⁇ or the second inclined surface except the upper edge 44U ⁇ (see FIG. 30) and the lower edge 44L ⁇ of the groove portion 44 ⁇ . It is formed by the surface 45 ⁇ , and it is preferable that no flat portion is formed on the wavy bent edge.
  • FIG. 29 is an explanatory diagram of the mouth portion 1 ⁇ of the container body 1 ⁇ according to the fifth embodiment. 29A is a plan view and FIG. 29B is a front view around the mouth portion 1 ⁇ of the container body 1 ⁇ in FIG.
  • the mouth 10 ⁇ of the container body 1 ⁇ is provided with two protrusions 13e and 13f protruding in the long side direction.
  • FIG. 30 is an explanatory diagram of the inner lid 4 ⁇ of the cap 200 ⁇ according to the fifth embodiment.
  • (a) is a plan view
  • (b) is a front view
  • (c) is a side view
  • (d) is a bottom view.
  • one trough extends to a longer range than in the first to fourth embodiments,
  • One valley is about 180 °.
  • a groove portion 44 ⁇ is formed in both of the two valley portions.
  • the inner lid 4 ⁇ has a rotational symmetry of 180 °, and an example is shown in which the upper end 41P ⁇ of the peripheral wall 41 ⁇ of the inner lid 4 ⁇ is curved in order to determine when engaging with the outer lid 5 ⁇ .
  • the upper end 41P ⁇ may be linear.
  • the cap 200 ⁇ when the cap 200 ⁇ is placed, the cap 200 ⁇ slides along the long inclined surface 43 ⁇ or 45 ⁇ , which is necessary for the user to close the cap 200 ⁇ .
  • the rotation angle is almost the same as in the first to fourth embodiments, and can be set only to the length corresponding to the groove portion 44 ⁇ . Therefore, also in the present embodiment, the cap 200 ⁇ can be quickly engaged with the mouth portion 10 ⁇ , and the labor of the user can be reduced.
  • the length of the groove portion 44 ⁇ in the circumferential direction may be extended longer than in the first to fourth embodiments.
  • the inner lid 4 ⁇ has a grooved wavy bent edge in which two groove portions are formed at the upper ends, which are the valley bottoms of the two valley portions, a side surface metal for injection molding the inner lid 4 ⁇ .
  • the mold is divided into two parts, the number of molds can be further reduced, the mold for the entire manufacturing of the inner lid having the slide engagement function can be made inexpensive, and the labor for removing the mold can be further reduced. it can.
  • the inner lid 4 ⁇ having the wavy bent edge including the two valleys corresponding to the rectangular tubular outer lid 5 ⁇ has been described, but like the first and second embodiments, the inner lid 4 ⁇ has a cylindrical shape. Also for the outer lid 3, an inner lid having a wavy curved edge including two valleys may be formed. In that case, it is preferable to describe a mark such as a mark on the outer lid so that the vertical and horizontal directions can be distinguished.
  • the stopper when the cap is attached to the container body, the stopper is plugged to achieve airtightness.
  • the cap and the container mouth that do not achieve airtightness are not formed.
  • the sliding engagement of the present invention may be applied to the engagement configuration.
  • FIG. 31 is a figure which applies the container with a cap of this invention to a dispenser.
  • the inner lid 2A of the cap 200A is vertically long, so that the cap entirely covers the dispenser portion D.
  • the mouth portion 10A is provided below the dispenser portion D, and the protrusions 13a to 13d are provided on the outer periphery of the mouth portion 10A.
  • the dispenser does not assume airtightness in this configuration because the dispenser is a cap that often achieves airtightness inside the dispenser and prevents malfunctions.
  • the cap 200A (not shown) including the inner lid 2A may be lightly closed with respect to the dispenser D. Therefore, when the cap is closed, as shown in FIG.
  • the slide 200 is slid along and is rotated by a length corresponding to the groove to fit the cap 200A and the mouth 10A.
  • the rotation angle necessary for the user to close the cap 200A can be set small, and the cap 200A can be engaged earlier to reduce the labor of the user.
  • the outer lid is omitted in FIG. 31, the outer lid is provided on the outer side of the inner lid 2A in order to make the grooved corrugated bent edge structure formed in the lower end of the inner lid 2A invisible. It is suitable.
  • the outer lid to be put on the outside may be cylindrical as in the first and second embodiments, or may be a rectangular tube as in the third to fifth embodiments, and the outer lid is a rectangular tube. In this case, it is preferable to apply one of the shapes of the inner lids 4, 4 ⁇ , and 4 ⁇ as the inner lid of the dispenser container.
  • FIG. 32A and 32B are diagrams in which the container with a cap of the present invention is applied to a feeding container for a stick-shaped cosmetic body.
  • FIG. 32A is an external explanatory view of the periphery of the sleeve of the feeding container with the cap opened
  • FIG. 32B is a cross-sectional view of the sleeve periphery with the cap closed.
  • the stick-shaped cosmetic body that can be stored in the feeding container 1B which is the container body, is a stick-shaped cosmetic product such as lipstick, lip balm, beauty stick, and cheek for part.
  • a stick-shaped cosmetic product such as lipstick, lip balm, beauty stick, and cheek for part.
  • a lipstick holder H for holding the lipstick L is provided inside the grip portion 19B, and a sleeve is provided outside the lipstick holder L and inside the grip portion 19B. S is provided.
  • the lipstick L moves up and down with respect to the sleeve S as the sleeve S rotates relative to the grip portion 19B and the mouth portion 10B.
  • the mouth 10B is provided below the sleeve S, and the protrusions 13a to 13d are provided on the outer periphery of the mouth 10B.
  • the inner lid 2B covers the sleeve S of the feeding container 1B and the outside of the mouth 10B. As shown in FIG. 32B, the vicinity of the upper end of the inner lid 2B becomes narrower and closer to the sleeve S, so that the cap 200B is covered to form a closed structure.
  • a straight inner lid may be used as shown in FIG.
  • the cylindrical outer lid 3B is provided on the outer side of the inner lid 2B in order to make the grooved wavy curved edge structure formed at the lower end of the inner lid 2B invisible. It is provided.
  • the outer cover 3B to be put on the outside may have a rectangular tube shape as in the third to fifth embodiments, and when the outer lid is a rectangular tube shape, one of the inner lids 4, 4 ⁇ , and 4 ⁇ is extended. You may apply as an inner lid of a container.
  • FIGSixth Embodiment> 33A and 33B are explanatory views of a container with a cap according to the sixth embodiment of the present invention
  • FIG. 33A is a sectional perspective view of a cap 400 according to the sixth embodiment
  • FIG. 33B is a sixth embodiment.
  • the front perspective view of the mouth of the container body concerning a form.
  • the engagement configuration of the wavy curved edge with a groove (slide portion) and the protrusion in the fifth embodiment is provided in the mouth portion and the cap (inner lid) in reverse.
  • a plurality of protrusions 413e and 413f protruding inward are provided on the inner peripheral surface of the peripheral wall 410 of the cap 400.
  • FIG. 33A shows an example in which the protrusion 413 used for the engagement formed on the cap 400 has a columnar shape
  • the protrusion used for the engagement has a shape protruding outward and is a quadrangular prism.
  • the shape may be a polygonal prism such as a triangular prism or the like, or a shape in which a part of the polygonal polygon is omitted.
  • the example in which the inner lid and the outer lid have a double structure to constitute the cap has been described.
  • a slope piece having a wavy curved edge with a groove When the container is formed on the side of the mouth 730 of the container body, the lower end of the cap 400 can be formed flat, so that it is not necessary to provide an outer lid.
  • the slope piece 720 is attached to the outer peripheral side of the peripheral wall 710. More specifically, the slope piece 720 includes two or more corrugations formed of a series of valleys and peaks, and has a grooved corrugated bent edge with a groove formed at the lower end which is the valley bottom VB of the valley. is doing.
  • the slope piece 720 is a thick-walled portion that bulges outward with a constant thickness with respect to the outer peripheral surface of the peripheral wall 710 of the mouth portion 730.
  • the valley portion dug downward includes a first inclined surface 723 and a second inclined surface 725 whose inclination angle intersects with the first inclined surface 723. It is configured.
  • the groove portion 724 is the valley bottom VB of the valley portion and continuously extends from the lower end of the first inclined surface 723.
  • the first inclined surface 723 has a gentle inclined surface 722 extending from the summit MP and a steep inclined surface 721 that is continuous from the lower end of the gentle inclined surface 722 and has a steeper slope than the gentle inclined surface 722.
  • the upper edge of the groove portion 724 In addition, in the vicinity of the lower edge VB of the valley portion that is scooped downward in the corrugated wavy curved edge of the upper edge of the slope piece 720 on the outer peripheral side of the peripheral wall 710 of the mouth portion 730, the upper edge of the groove portion 724, The portion sandwiched by the surfaces near the lower end of the second inclined surface 725 is a protruding piece 726.
  • the length of the second inclined surface 725 in the circumferential direction is longer than the length of the groove portion 724 in the circumferential direction.
  • the protrusion 726 can be provided to form the groove 724 with the surface near the lower end of the second inclined surface 725 as the upper edge, and thus the mold can be easily removed in the manufacturing process.
  • the lower edge of the groove 724 extends substantially horizontally, but in the present embodiment as well, as shown in FIG. 10, the lower edge of the groove 724 has a steep slope.
  • the gradient may be gentler than that of 721, or the lower edge of the groove 724 may be inclined so as to intersect the steep slope 721.
  • the lower edge of the protruding piece 726 (the upper edge of the groove 724) is provided with unevenness that serves as a retaining portion when the protrusions 413e and 413f of the mouth are fitted into the groove 724. Is preferable.
  • the first sloped surface 723 or the second sloped surface 725 is positioned below the protrusions 413e and 413f of the cap 400. After the cap 400 slides obliquely downward while making contact, the protrusions 713e and 713f can be guided and fitted into the groove portion 424.
  • the rotation angle required for the user to close the cap 400 is as small as the groove portion 724. It can be set, and it can be engaged more quickly, and the labor of the user can be reduced.
  • the rotation angle required for the user to close the cap 400 can be set to a small value, and the cap 400 can be engaged more quickly to reduce the labor of the user.
  • the groove part is formed so as not to increase the number of molds. It is preferable that it is two. Note that the number of valleys may be four or more if the abutting surface is formed as in the second and third embodiments.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Closures For Containers (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
PCT/JP2019/043286 2018-11-07 2019-11-05 キャップ付き容器およびその製造方法 WO2020095895A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201980073719.9A CN112996731B (zh) 2018-11-07 2019-11-05 带盖容器及其制造方法
JP2020556077A JP7331009B2 (ja) 2018-11-07 2019-11-05 キャップ付き容器およびその製造方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018-209359 2018-11-07
JP2018209359 2018-11-07

Publications (1)

Publication Number Publication Date
WO2020095895A1 true WO2020095895A1 (ja) 2020-05-14

Family

ID=70611495

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2019/043286 WO2020095895A1 (ja) 2018-11-07 2019-11-05 キャップ付き容器およびその製造方法

Country Status (4)

Country Link
JP (1) JP7331009B2 (zh)
CN (1) CN112996731B (zh)
TW (1) TW202028072A (zh)
WO (1) WO2020095895A1 (zh)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49130147A (zh) * 1973-04-12 1974-12-13
JPS5929657A (ja) * 1982-08-11 1984-02-16 Nitto Chem Ind Co Ltd β−メルカプトプロピオニトリルの製造法
JPS6172592A (ja) * 1984-09-17 1986-04-14 株式会社リコー シ−ト処理装置
JPH08164961A (ja) * 1994-12-12 1996-06-25 Toppan Printing Co Ltd 容 器
JP2008018977A (ja) * 2006-07-13 2008-01-31 Taisei Kako Co Ltd キャップ付き容器におけるキャップの閉蓋案内装置。
JP2010023909A (ja) * 2008-07-23 2010-02-04 Shibata Gosei:Kk 収納容器
JP2012126429A (ja) * 2010-12-16 2012-07-05 Daiwa Can Co Ltd キャップ付き容器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5425252Y2 (zh) * 1974-10-28 1979-08-23
JPS60142744U (ja) * 1984-02-29 1985-09-21 株式会社吉野工業所 キャップ付き容器
JPH0454113Y2 (zh) * 1986-05-16 1992-12-18
TWM258062U (en) * 2004-05-21 2005-03-01 Chin Tai Plastic Co Ltd Bottle cap structure for dual use of safety and original seal

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49130147A (zh) * 1973-04-12 1974-12-13
JPS5929657A (ja) * 1982-08-11 1984-02-16 Nitto Chem Ind Co Ltd β−メルカプトプロピオニトリルの製造法
JPS6172592A (ja) * 1984-09-17 1986-04-14 株式会社リコー シ−ト処理装置
JPH08164961A (ja) * 1994-12-12 1996-06-25 Toppan Printing Co Ltd 容 器
JP2008018977A (ja) * 2006-07-13 2008-01-31 Taisei Kako Co Ltd キャップ付き容器におけるキャップの閉蓋案内装置。
JP2010023909A (ja) * 2008-07-23 2010-02-04 Shibata Gosei:Kk 収納容器
JP2012126429A (ja) * 2010-12-16 2012-07-05 Daiwa Can Co Ltd キャップ付き容器

Also Published As

Publication number Publication date
CN112996731B (zh) 2023-01-06
CN112996731A (zh) 2021-06-18
TW202028072A (zh) 2020-08-01
JP7331009B2 (ja) 2023-08-22
JPWO2020095895A1 (ja) 2021-10-07

Similar Documents

Publication Publication Date Title
KR101643119B1 (ko) 나선 구조를 갖는 스틱 타입 화장품 용기
JP6456868B2 (ja) シーリング部材を有する、製品、特に化粧品をパッケージングするためのデバイス
US20170253392A1 (en) Drinking containers and related methods
US20030192892A1 (en) Case
KR101333251B1 (ko) 촉각 효과를 가진 장치
JPH0454113Y2 (zh)
KR101905014B1 (ko) 립스틱 용기
KR102221054B1 (ko) 회전방지 구조를 구비한 리필형 화장품 용기
US20060131345A1 (en) Cosmetic product dispenser
JP2017524477A (ja) 格納可能な塗布部材を有するペースト状または液状化粧品用の容器
EA019743B1 (ru) Тумблерное выдачное укупорочное устройство с шарнирным задним краем
CN104024119B (zh) 换装容器用栓部件
WO2020095895A1 (ja) キャップ付き容器およびその製造方法
JP4431188B1 (ja) 化粧品用容器
JP2021529134A (ja) スナップオンクロージャを有する箱
KR102107180B1 (ko) 푸시 타입 화장품 용기
KR102281200B1 (ko) 리필용기의 교체가 용이한 화장품 용기
KR20180040182A (ko) 휴대성과 사용성이 개선된 듀얼 스틱형 화장품 용기
JP7416442B2 (ja) 二重容器
JP7409600B2 (ja) 栓と容器とのワンタッチ開閉構造
KR200455368Y1 (ko) 화장품 용기용 숄더
JP7471753B2 (ja) オーバーキャップ付き容器
JP7421940B2 (ja) 塗布容器
JP3636793B2 (ja) ワンタッチヒンジキャップ
KR102648608B1 (ko) 원형 화장품 리필 용기

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19882736

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2020556077

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19882736

Country of ref document: EP

Kind code of ref document: A1