JP6643819B2 - container - Google Patents

Description

The present invention relates to a container

  For example, Patent Literature 1 describes a cap that is detachably attached to a container body. The cap of Patent Literature 1 is attached to the container main body by engaging the engagement groove of the cap portion of the cap with the engagement projection of the discharge portion of the container main body.

JP 2013-230838 A

  In the cap as described above, the contents accommodated in the container main body may accumulate at the bottom of the cap portion (tube portion) of the cap and solidify in some cases. In this case, the tip of the discharge part (nozzle part) of the container body may hit the solidified contents, and the discharge part may not be able to be inserted all the way into the plug part. As a result, the cap and the container body cannot be engaged, and the cap may not be properly attached to the container body. Therefore, there is a problem that the cap falls off from the container body when the user does not intend.

  One aspect of the present invention has been made in view of the above problems, and has a cap capable of suppressing falling off from a container main body even when contents are accumulated at the bottom of a cylindrical portion, and a cap thereof. It is an object to provide a container provided with such a cap.

  One aspect of the cap of the present invention is a cap that is detachably attached to a nozzle part of a container body, a lid part having a lid surface that covers an opening part of the nozzle part, and a cylinder protruding from the lid surface. A cylindrical portion, a cylindrical seal portion located inside the cylindrical portion and protruding from the lid surface, and a protruding portion protruding from a portion of the lid surface surrounded by the seal portion, The tubular portion has an engaging portion engageable with the nozzle portion, the seal portion can seal between the nozzle portion and the cap, and the projecting height of the projecting portion is the seal height. It is characterized by being larger than the protruding height of the part.

  The protrusion height of the protrusion may be equal to or less than the protrusion height of the cylindrical portion.

  The protrusion height of the protrusion may be larger than the protrusion height of the cylinder.

  The cylindrical portion and the seal portion may have a concentric cylindrical shape, and the protrusion may be located at the center of the seal portion.

  The protrusion may have a columnar configuration.

  The dimension of the projection in the direction orthogonal to the direction in which the projection protrudes may be configured to decrease as the distance from the lid surface increases.

  The dimension of the projection in a direction orthogonal to the direction in which the projection projects may be not less than 20% and not more than 80% of the dimension of the opening.

One embodiment of the container of the present invention comprises a container body having a nozzle portion, a cap is detachably attached to the nozzle portion, wherein the cap has a cover surface for covering the opening of the nozzle portion A cover portion, a cylindrical tube portion protruding from the cover surface, a cylindrical seal portion located inside the tube portion and protruding from the cover surface, and a portion surrounded by the seal portion on the cover surface And a protrusion protruding from the nozzle, wherein the cylindrical portion has a cap-side engaging portion engageable with the nozzle portion, and the nozzle portion is a nozzle engageable with the cap-side engaging portion. A side engaging portion, wherein the nozzle side engaging portion is pushed into the cylindrical portion while the nozzle portion is elastically deformed in a direction in which the cylindrical portion expands radially outward, and the nozzle portion is engaged with the cap side engaging portion. Can be engaged, and the seal portion includes the nozzle portion and the cap. It is possible to seal between the protrusions, the protrusion height of the protrusion is larger than the protrusion height of the seal portion, and in a direction orthogonal to the direction in which the protrusion protrudes, the size of the protrusion is the size of the opening. smaller than the dimension, the protrusion, in a state in which the cap is attached to the container main body is inserted inside the nozzle portion in a state apart from the inner edge of the opening, characterized in Rukoto.

  According to one aspect of the present invention, there is provided a cap capable of preventing the contents from dropping from the container body even when the contents are accumulated at the bottom of the cylindrical portion, and a container provided with such a cap.

It is sectional drawing which shows the container of this embodiment. It is a top view showing the cap of this embodiment. It is a figure showing the state where a cap in this embodiment is not properly attached to a container main part. It is sectional drawing which shows the cap which is another example of this embodiment. It is sectional drawing which shows the cap which is another example of this embodiment.

  Hereinafter, a cap and a container according to an embodiment of the present invention will be described with reference to the drawings. It should be noted that the scope of the present invention is not limited to the following embodiment, and can be arbitrarily changed within the technical idea of the present invention. Further, in the following drawings, the scale and number of each structure may be different from the scale and number of the actual structure in order to make each configuration easy to understand.

  In the drawings, the Z axis is shown. The Z axis is a direction parallel to the axial direction of the virtual axis CA shown in FIG. In the following description, the direction in which the virtual axis CA extends (the Z-axis direction) is defined as the up-down direction. A positive side (+ Z side) in the Z-axis direction is defined as an upper side, and a negative side in the Z-axis direction is defined as a lower side. The terms “upper direction”, “upper side” and “lower side” are simply names used for description, and do not limit the actual use state.

  Unless otherwise specified, a direction parallel to the virtual axis CA (Z-axis direction) is simply referred to as an axial direction, a radial direction about the virtual axis CA is simply referred to as a radial direction, and the virtual axis CA is defined as a center. The circumferential direction, that is, the circumference of the virtual axis CA is simply referred to as the circumferential direction.

  FIG. 1 is a cross-sectional view showing a container 10 of the present embodiment. As shown in FIG. 1, the container 10 includes a container body 20 and a cap 30. FIG. 1 shows a state where the cap 30 is properly attached to the container body 20.

  The container body 20 has a nozzle part 21 and a storage part 22. In the present embodiment, the nozzle portion 21 has, for example, a cylindrical shape centered on the virtual axis CA. The nozzle unit 21 has an opening 21b that opens downward. The nozzle portion 21 has a nozzle body 21a and a nozzle-side engaging portion 21c. The nozzle body 21a is a cylindrical portion having an opening 21b.

  The nozzle-side engaging portion 21c protrudes radially outward from the outer peripheral surface of the nozzle body 21a. Although not shown, the nozzle-side engaging portion 21c is provided over the entire outer circumferential surface of the nozzle body 21a in the circumferential direction.

  The storage unit 22 stores the content DP therein. The housing 22 is connected to the upper end of the nozzle 21. The inside of the housing part 22 and the inside of the nozzle part 21 communicate with each other. Therefore, the contents DP in the storage section 22 can be discharged from the opening 21b of the nozzle section 21 to the outside of the container body 20 via the inside of the nozzle section 21. The content DP is not particularly limited, and is, for example, a substance having a relatively high viscosity such as a toothpaste.

  The housing section 22 has a housing body 22a and a shoulder 22b. The housing part main body 22a is a part for housing most of the contents DP. The housing portion main body 22a extends along the axial direction (Z-axis direction).

  The shoulder 22b is a part that connects the upper end of the nozzle 21 and the lower end of the housing body 22a. Although not shown, the planar shape of the shoulder 22b is, for example, an annular shape. In the present embodiment, the shoulder lower surface 22c, which is the lower surface of the shoulder 22b, is an inclined surface that is located upward as it goes radially outward from the upper end of the nozzle portion 21.

  In the present embodiment, the container body 20 is made of, for example, a resin. The hardness of the resin forming the nozzle portion 21 is, for example, higher than the hardness of the resin forming the housing portion main body 22a. The hardness of the resin forming the shoulder portion 22b is, for example, the same as the hardness of the resin forming the nozzle portion 21. That is, the hardness of the resin forming the shoulder 22b is greater than the hardness of the resin forming the housing body 22a, for example.

  FIG. 2 is a plan view showing the cap 30 of the present embodiment. As shown in FIGS. 1 and 2, the cap 30 includes a cap main body 31, an inner cylindrical part (cylindrical part) 32, a seal part 33, and a protruding part 34. The cap body 31 has an outer cylinder 31a and a lid 31b. That is, the cap 30 includes the lid 31b.

  In the present embodiment, the cap 30 is made of, for example, a resin. The cap 30 is a single member manufactured by, for example, injection molding. That is, the cap body 31, the inner cylinder 32, the seal 33, and the protrusion 34 are a single member.

  The lid 31b is, for example, in a disk shape through which the virtual axis CA passes through the center. As shown in FIG. 1, the lid 31b has a lid surface 31c that covers the opening 21b of the nozzle 21. The lid surface 31c is the upper surface of the lid 31b.

  The outer cylinder portion 31a has a cylindrical shape extending upward from a radially outer edge of the lid portion 31b. The outer cylinder portion 31a circumferentially surrounds the outside of the nozzle portion 21 in the radial direction. The outer cylindrical portion 31a extends radially outward from the lower side to the upper side.

  The inner cylindrical portion 32 has a cylindrical shape protruding upward from the lid surface 31c of the lid portion 31b. The inner cylinder 32 opens upward. The inner cylindrical portion 32 is located radially inside the outer cylindrical portion 31a. The upper end of the inner cylinder 32 is located lower than the upper end of the outer cylinder 31a. As shown in FIGS. 1 and 2, in the present embodiment, the inner cylindrical portion 32 has, for example, a cylindrical shape around the virtual axis CA.

  The inner cylinder part 32 has an inner cylinder main body part 32a and a cap side engaging part (engaging part) 32b. The inner cylinder main body 32a is a cylindrical portion. The cap-side engaging portion 32b is a portion that can be engaged with the nozzle portion 21.

  As shown in FIG. 1, the cap side engaging portion 32b protrudes radially inward from the inner peripheral surface of the inner cylinder main body 32a. In the present embodiment, the cap-side engaging portion 32b is located at the upper end of the inner peripheral surface of the inner cylinder main body 32a. The diameter of the radial inner edge of the cap-side engaging portion 32b is, for example, substantially the same as the diameter of the nozzle body 21a.

  The seal part 33 is a part capable of sealing between the nozzle part 21 and the cap 30. The seal portion 33 has a cylindrical shape protruding upward from the lid surface 31c of the lid portion 31b. The seal portion 33 is located radially inside the inner cylindrical portion 32. As shown in FIGS. 1 and 2, in the present embodiment, the seal portion 33 has, for example, a cylindrical shape around the virtual axis CA. That is, in the present embodiment, the inner cylindrical portion 32 and the seal portion 33 are, for example, concentric cylindrical shapes. As shown in FIG. 1, the protrusion height L3 of the seal portion 33 is smaller than the protrusion height L1 of the inner cylinder portion 32.

  In this specification, the protrusion height is a protrusion height based on the cover surface 31c of the cover portion 31b. That is, in this specification, the protruding height of a certain object is a dimension in the axial direction (Z-axis direction) from the lid surface 31c to the upper end of the certain object.

  The protruding portion 34 protrudes upward from a portion of the lid surface 31c surrounded by the seal portion 33. That is, the protrusion 34 is located radially inward of the seal 33. In the present embodiment, the protruding portion 34 is provided, for example, at a position radially inward from the inner peripheral surface of the seal portion 33. As shown in FIG. 2, in the present embodiment, the protrusion 34 is located, for example, at the center of the seal 33. As shown in FIGS. 1 and 2, in the present embodiment, the protruding portion 34 has, for example, a column shape centered on the virtual axis CA.

  As shown in FIG. 1, the protrusion height L2 of the protrusion 34 is greater than the protrusion height L3 of the seal 33. In the present embodiment, the protrusion height L2 of the protrusion 34 is equal to or less than the protrusion height L1 of the inner cylindrical portion 32. In the example of FIG. 1, the protruding height L2 of the protruding portion 34 is smaller than the protruding height L1 of the inner cylindrical portion 32.

  The protruding portion 34 is inserted into the nozzle portion 21 with the cap 30 attached to the container body 20. The protruding height L2 of the protruding portion 34 is such that the axial dimension of the portion of the protruding portion 34 inserted into the nozzle portion 21 in the state where the cap 30 is attached to the container body 20 is in the axial direction of the nozzle portion 21. Preferably, it is set to be at least half the size. Thereby, the effect of suppressing the falling-off of the cap 30 described later can be more effectively obtained.

  The diameter D1 of the protrusion 34 is, for example, not less than 20% and not more than 80% of the diameter D2 of the opening 21b. The diameter D1 of the protrusion 34 is a dimension of the protrusion 34 in a direction perpendicular to the axial direction (Z-axis direction). The diameter D2 of the opening 21b is a dimension of the opening 21b in a direction orthogonal to the axial direction. That is, in a direction orthogonal to the direction (Z-axis direction) in which the protrusion 34 protrudes, the size of the protrusion 34 is not less than 20% and not more than 80% of the size of the opening 21b. With this setting, the effect of suppressing the cap 30 from falling off, which will be described later, can be obtained more effectively.

  When attaching the cap 30 to the container main body 20, the cap 30 and the container main body 20 are brought close to each other such that the nozzle portion 21 is inserted inside the inner cylindrical portion 32 of the cap 30. Then, when the nozzle portion 21 is pushed into the inner cylinder portion 32 of the cap 30, the inner cylinder portion 32 is elastically deformed so as to expand radially outward, and as shown in FIG. The portion 21c is pushed under the cap-side engaging portion 32b of the inner cylindrical portion 32. Thus, the nozzle-side engaging portion 21c and the cap-side engaging portion 32b are engaged, and the cap 30 is engaged with the nozzle portion 21. In this way, the cap 30 is properly attached to the container body 20. In this state, since the cap 30 and the nozzle portion 21 are engaged, the cap 30 is prevented from dropping from the container body 20.

  When the cap 30 is properly attached to the container body 20, the opening 21b of the nozzle 21 is fitted to the seal 33 from the outside in the radial direction, for example. Thereby, the space between the nozzle portion 21 and the cap 30 can be sealed. Therefore, when the cap 30 is properly attached to the container body 20, the inside of the container body 20 can be sealed.

  When removing the cap 30 from the container body 20, for example, a force is applied from the radial outside to the radial inside near the upper end portion of the outer cylindrical portion 31a of the cap 30. As a result, the vicinity of the upper end of the outer cylindrical portion 31a is elastically deformed and moves radially inward. At this time, the upper end of the outer cylindrical portion 31a moves along the shoulder lower surface 22c of the shoulder 22b which is an inclined surface. That is, the upper end of the outer cylinder portion 31a moves downward along the shoulder lower surface 22c as it moves radially inward.

  Therefore, by applying a force to the outer cylindrical portion 31a from the outside in the radial direction to the inside in the radial direction, the force can be applied to the entire cap 30 in a direction away from the container body 20 (the −Z direction in FIG. 1). As a result, the inner cylindrical portion 32 is elastically deformed in a direction to spread radially outward, and the engagement between the nozzle-side engaging portion 21c and the cap-side engaging portion 32b is released. Thus, the cap 30 can be removed from the container body 20. As described above, the cap 30 is detachably attached to the nozzle 21 of the container body 20.

  In the above description, the method of removing the cap 30 has been described based on the positional relationship between the cap 30 and the container body 20 shown in FIG. 1, but the present invention is not limited to this. Actually, for example, the cap 30 may be removed from the container body 20 as described above in a state where the cap 30 is located above the container body 20, that is, in a state where FIG. In this case, when a force is applied to the outer cylindrical portion 31a from the outside in the radial direction to the inside in the radial direction, a force is applied to the cap 30 in an upward direction. As a result, the cap 30 is removed away from the container body 20 upward.

  FIG. 3 is a cross-sectional view showing a state where the cap 30 is not properly attached to the container body 20. As shown in FIG. 3, the contents DP may accumulate at the bottom of the inner cylindrical portion 32, and the accumulated contents DP may be solidified. In this case, the tip of the nozzle portion 21 may abut against the solidified content HDP, and the nozzle portion 21 may not be able to be pushed deep into the inner cylindrical portion 32. As a result, the nozzle-side engaging portion 21c and the cap-side engaging portion 32b cannot be engaged, and the cap 30 cannot be properly attached to the container body 20. In this state, when the user does not intend, the cap 30 may be detached from the container body 20 and fall off.

  On the other hand, according to the present embodiment, the protrusion 34 whose protrusion height is larger than the seal 33 is provided. Therefore, as shown in FIG. 3, even when the cap 30 does not engage with the nozzle portion 21, the protruding portion 34 is easily inserted into the nozzle portion 21. The protrusion 34 inserted into the nozzle 21 contacts the content DP located inside the nozzle 21. Thereby, a frictional force is generated between the protruding portion 34 and the content DP, and the cap 30 can be prevented from coming off the container body 20. Therefore, according to the present embodiment, it is possible to obtain the cap 30 that can prevent the contents DP from dropping from the container main body 20 even when the contents DP accumulate on the bottom of the inner cylindrical portion 32.

  The frictional force generated between the protrusion 34 and the content DP increases as the viscosity of the content DP increases. Therefore, the effect that the cap 30 can be prevented from falling off is particularly large when the content DP is a substance having a relatively high viscosity such as a toothpaste.

  Further, for example, in a configuration in which the cap and the container main body are connected by a hinge, even if the cap is not properly attached to the container main body, the cap is prevented from falling off from the container main body. However, in the case of a configuration having such a hinge, the cap tends to be complicated and the amount of material for manufacturing the cap tends to increase. Therefore, the labor and cost for manufacturing the cap tend to increase.

  On the other hand, according to the present embodiment, the cap 30 can be prevented from falling off from the container body 20 while the cap 30 is configured to be engaged with and attached to the nozzle portion 21 without a hinge. Therefore, according to the present embodiment, it is possible to realize the cap 30 that does not easily fall off the container body 20 while reducing the labor and cost of manufacturing the cap 30.

  Further, according to the present embodiment, the protrusion height L2 of the protrusion 34 is equal to or less than the protrusion height L1 of the inner cylinder 32. Therefore, when inserting the nozzle part 21 into the inner cylinder part 32, the protruding part 34 does not easily interfere with the nozzle part 21, and the nozzle part 21 is easily inserted into the inner cylinder part 32. In addition, it is possible to suppress the protrusion 34 from being damaged by contact with the nozzle 21.

  Further, for example, when the protruding portion 34 contacts the inner surface of the nozzle portion 21, the surface area of the protruding portion 34 that contacts the content DP is reduced by the amount of contact with the inner surface of the nozzle portion 21. Therefore, there is a possibility that the frictional force between the protruding portion 34 and the content DP is reduced. Further, when the nozzle portion 21 is inserted into the inner cylinder portion 32, a force may be applied to the protrusion portion 34 from the inner side surface of the nozzle portion 21, and the protrusion portion 34 may be damaged.

  On the other hand, according to the present embodiment, the protrusion 34 is located at the center of the seal 33. Therefore, in a state where the cap 30 is attached to the container main body 20, the protruding portion 34 is easily located at a position away from the inner surface of the nozzle portion 21. Thereby, it is possible to suppress the protruding portion 34 from contacting the inner side surface of the nozzle portion 21, and it is easy to secure an area where the protruding portion 34 and the content DP are in contact. Therefore, according to the present embodiment, it is possible to suppress a decrease in the frictional force between the protrusion 34 and the content DP. Moreover, when inserting the nozzle part 21 into the inner cylinder part 32, it can suppress that the protrusion part 34 is damaged.

  Further, according to the present embodiment, the protruding portion 34 has a columnar shape. Therefore, the protruding portion 34 linearly extends upward from the lid surface 31c. Thereby, it is possible to further suppress the protrusion 34 from coming into contact with the inner side surface of the nozzle 21. Further, when the cap 30 is manufactured by, for example, injection molding using a resin, the mold is easily removed, and the cap 30 is easily manufactured.

  In addition, for example, the projection 34 may be deformed and bent while using the container 10. In this case, there is a possibility that the protrusion 34 contacts the inner surface of the nozzle 21. On the other hand, according to the present embodiment, the protruding portion 34 has a columnar shape. Therefore, for example, the protrusion 34 is less likely to bend than when the protrusion 34 is plate-shaped. Accordingly, it is possible to suppress the protrusion 34 from bending and coming into contact with the inner surface of the nozzle 21.

  For example, if the diameter D1 of the projection 34 is too small, the surface area of the projection 34 becomes small, and it is difficult to obtain a sufficient frictional force between the projection 34 and the content DP. On the other hand, if the diameter D1 of the protruding portion 34 is too large, the protruding portion 34 is likely to come into contact with the inner surface of the nozzle portion 21, and the frictional force between the protruding portion 34 and the content DP may be reduced.

  On the other hand, according to the present embodiment, the diameter D1 of the protrusion 34 is not less than 20% and not more than 80% of the diameter D2 of the opening 21b of the nozzle 21. Thereby, the diameter D1 of the protrusion 34 can be made a suitable size, and the frictional force between the protrusion 34 and the content DP can be obtained suitably.

  In this embodiment, the following configuration can be adopted. Note that, in the following description, the same components as those described above may be omitted from the description by assigning the same reference numerals as appropriate.

  In the present embodiment, the shape and dimensions of the protrusion 34 are not particularly limited, and may be, for example, shapes as shown in FIGS. 4 and 5. FIG. 4 is a sectional view showing a cap 130 as another example of the present embodiment. FIG. 5 is a sectional view showing a cap 230 as another example of the present embodiment.

  As shown in FIG. 4, the cap 130 has a cap body 31, an inner cylinder 32, a seal 33, and a protrusion 134. The protrusion 134 has a conical shape. That is, the dimension of the protruding portion 134 in the direction orthogonal to the protruding direction (Z-axis direction) decreases as the distance from the cover surface 31c increases. In the example of FIG. 4, since the protrusion 134 has a conical shape, the dimension of the protrusion 134 in a direction orthogonal to the direction in which the protrusion 134 protrudes is the diameter D3 of the protrusion 134. The other configuration of the protrusion 134 is the same as the configuration of the protrusion 34 shown in FIG. 1 and the like.

  According to this configuration, the diameter D3 of the protrusion 134 decreases as the distance from the lid surface 31c increases. Therefore, when the cap 130 is manufactured by, for example, injection molding using a resin, the mold is easily removed, and the cap 130 is more easily manufactured.

  As shown in FIG. 5, the cap 230 has a cap body 31, an inner cylinder 32, a seal 33, and a protrusion 234. The protrusion 234 has a truncated cone shape. That is, the diameter D4 of the protrusion 234 decreases as the distance from the cover surface 31c increases. The protruding height L4 of the protruding portion 234 is larger than the protruding height L1 of the inner cylindrical portion 32. The other configuration of the protrusion 234 is the same as the configuration of the protrusion 34 shown in FIG.

  According to this configuration, the diameter D4 of the protruding portion 234 decreases as the distance from the lid surface 31c increases. Therefore, similarly to the configuration of FIG. 4, when the cap 230 is manufactured by, for example, injection molding using a resin, the mold is easily removed, and the cap 230 is more easily manufactured.

  Further, according to this configuration, since the protruding height L4 of the protruding portion 234 is greater than the protruding height L1 of the inner cylinder portion 32, the protruding portion 234 is inserted deeper into the nozzle portion 21. Thereby, the area where the protruding portion 234 contacts the content DP can be further increased. Therefore, according to this configuration, the frictional force between the protruding portion 234 and the content DP can be increased, and the cap 230 can be further prevented from dropping from the container main body 20.

  In the present embodiment, the shape of the protruding portion 34 may be, for example, a plate shape, an elliptical column shape, or a polygonal column shape other than the examples shown in FIGS. 4 and 5. Alternatively, the shape may be a truncated polygonal pyramid. Further, the shape of the protruding portion 34 may be such that the dimension in the direction orthogonal to the protruding direction increases as the distance from the lid surface 31c increases. The shape of the projection 34 is preferably as large as the surface area. This is because a greater frictional force between the protrusion 34 and the content DP can be obtained.

  Further, in the present embodiment, the shape of the protruding portion 34 is not limited to the configuration that linearly extends upward, and may be a shape that bends or a shape that branches into a plurality of pieces in the middle.

  In the present embodiment, a groove may be provided on the surface of the protruding portion 34. According to this configuration, since the surface area of the protrusion 34 can be increased, the area where the protrusion 34 contacts the content DP can be further increased.

  Further, in the present embodiment, the upper end of the protruding portion 34 may be located above the outer cylindrical portion 31a. According to this configuration, since the protruding portion 34 is inserted deeper into the inside of the nozzle portion 21, the area where the protruding portion 34 contacts the content DP can be increased.

  Further, in the present embodiment, a plurality of protrusions 34 may be provided. In this case, since the total surface area of the protrusions 34 can be increased, the frictional force between the protrusions 34 and the contents DP can be further increased.

  Further, in the present embodiment, each part of the cap 30 may be a separate member. That is, in the present embodiment, the protrusion 34 may be a separate member from the cap body 31. Further, in the present embodiment, the cap 30 may not be made of resin. In the present embodiment, the cap 30 may be made of, for example, metal.

  In the above description, the opening 21b of the nozzle 21 is fitted to the seal 33 from the outside in the radial direction. However, the present invention is not limited to this. In the present embodiment, for example, a configuration may be employed in which the tip of the nozzle portion 21 is fitted inside the seal portion 33 in the radial direction. In the present embodiment, for example, the lower end of the nozzle portion 21 contacts the upper end of the seal portion 33 to seal the gap between the nozzle portion 21 and the cap 30. Is also good.

  Further, in the present embodiment, the outer cylinder portion 31a may not be provided. In this case, the inner cylindrical portion 32 may extend upward from the radial outer edge of the lid portion 31b.

  The components described above can be appropriately combined within a range that does not contradict each other.

  DESCRIPTION OF SYMBOLS 10 ... Container, 20 ... Container main body, 21 ... Nozzle part, 21b ... Opening part, 30, 130, 230 ... Cap, 31b ... Lid part, 31c ... Lid surface, 33 ... Seal part, 34, 134, 234 ... Projection part , 32 ... inner cylinder part (cylindrical part), 32b ... cap side engaging part (engaging part)

Claims (6)

A container body having a nozzle portion,
A cap detachably attached to the nozzle portion,
With
The cap is
A lid portion having a lid surface covering the opening of the nozzle portion,
A cylindrical tubular portion protruding from the lid surface,
A cylindrical seal portion located inside the cylindrical portion and protruding from the lid surface;
A projecting portion projecting from a portion of the lid surface surrounded by the seal portion;
Has,
The tubular portion has a cap-side engaging portion engageable with the nozzle portion,
The nozzle portion has a nozzle-side engaging portion engageable with the cap-side engaging portion,
The nozzle-side engaging portion is capable of engaging with the cap-side engaging portion by being pushed into the cylindrical portion while the nozzle portion elastically deforms the cylindrical portion in a direction to expand radially outward,
The seal portion is capable of sealing between the nozzle portion and the cap,
The protrusion height of the protrusion is larger than the protrusion height of the seal portion,
In a direction orthogonal to the direction in which the protrusion projects, the size of the protrusion is smaller than the size of the opening,
The protruding portion is inserted into the nozzle portion in a state where the cap is attached to the container main body and separated from an inner edge portion of the opening portion ,
Wherein the dimension in the direction orthogonal to the direction of projecting of the projecting portion, the container to be characterized by the small Rukoto with distance from the lid surface.   The container according to claim 1, wherein a protrusion height of the protrusion is equal to or less than a protrusion height of the cylindrical portion.   The container according to claim 1, wherein a protrusion height of the protrusion is larger than a protrusion height of the cylindrical portion. The cylindrical portion and the seal portion are concentric cylindrical shapes,
The container according to any one of claims 1 to 3, wherein the projecting portion is located at a center of the seal portion. The container according to any one of claims 1 to 4 , wherein a dimension of the projection is 20% or more and 80% or less of a dimension of the opening in a direction orthogonal to a direction in which the projection projects. . The container according to any one of claims 1 to 5 , wherein the opening is fitted into the seal portion from a radially outer side.

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