JP6314364B2 - Container with lid - Google Patents

Description

The present invention relates to a lidded container used for, for example, a powder packaging container .

  Conventionally, for example, a lid that removably covers an opening of a paper container is known (see Patent Document 1). The lid shown in Patent Literature 1 includes a main body portion arranged at the upper portion of the opening and a peripheral wall portion formed at the periphery thereof, and the peripheral wall portion is engaged with the periphery of the opening portion of the container and attached to the container main body.

Japanese Utility Model Publication No. 1-134043

  On the other hand, there is a need for a lid material that can maintain the barrier property of the container after the container having the barrier property that has been initially sealed is opened. As a lid material having such a barrier property, a lid that is fitted to both the inner peripheral surface of the opening portion of the container and the flange portion is also known, but the opening portion of the container before opening has a hermetic lid. The fitting part for fitting with the surface of the sealing lid and the inner peripheral surface of the opening comes into contact, and the lid cannot be attached to the container before opening.

  Moreover, when applying the lid shown in the above-mentioned patent document 1, since it is fitted to the flange portion of the container, the hermeticity is likely to be lowered, and the lid may be easily removed.

Therefore, the present invention has been made in view of the above-mentioned problems, and an example of the purpose is that it is possible to perform sealing with high hermeticity on containers having slightly different caliber differences, and easy desorption. Providing a container with a lid .

In order to solve the above-mentioned problem, a container with a lid according to claim 1 is a container main body to which a lid member for sealing an opening is attached, and a lid that is detachably attached to the outer peripheral edge of the opening of the container main body. A body with a lid, wherein the lid body includes a base body and a peripheral wall provided to extend in a vertical direction around a peripheral edge of the base body, and the peripheral wall is fitted with the outer peripheral edge. Two fitting parts having different inner diameters, and the fitting part includes a first fitting part fitted to an outer peripheral edge of the opening of the container body to which the lid member is attached, and the lid member is removed. A second fitting portion that fits with the outer peripheral edge of the opening of the container main body, and the base is fitted into the inside of the opening of the container main body from which the lid member has been removed. A body is provided, and the inner wall of the second fitting portion is raised inside the inner wall of the first fitting portion. In the container body from which the lid member is removed, the second fitting portion is in close contact with the outer peripheral edge of the opening, and the fitting is in close contact with the inside of the opening. Is attached to the container body, the peripheral wall is suspended from both sides of the front and back surfaces of the base, the two fitting parts are provided with different fitting parts on both sides of the base, and the fitting is The second fitting portion is provided on the front surface or the back surface of the base on the side where the second fitting portion is provided.

  A lid can be reliably attached to a container having openings having different outer diameters with high adhesion.

It is an external view of a container with a lid. 1 is a cross-sectional view taken along the line II in FIG. 1. FIG. 2 (a) is a schematic diagram showing a state when the lid of the present embodiment is attached to a container to which the lid member is attached, and FIG. It is a schematic diagram which shows a state when the lid | cover of this embodiment is attached to the removed container. FIG. 3A is an external view of a container with a lid, and FIG. 3B is a schematic view showing a II-II cross section of FIG. 3A. FIG. 4 (a) is a plan view of the lid, and FIG. 4 (b) is a schematic diagram showing a cross section taken along line III-III of FIG. 4 (a). FIG. 5A is an external view of a container with a lid, FIG. 5B is a plan view of the lid, and FIG. 5C is a plan view of the lid when the lid plate is opened. is there.

  Hereinafter, the best embodiment of the present invention will be described with reference to the accompanying drawings. The lid 10 of the present embodiment (the lid body of the present application) is used for a food container, for example, and a lid 10 in the form of a drop lid (a lid provided with a portion fitted inside the opening 2 of the food container 5) will be described as an example. .

  First, a food container (hereinafter simply referred to as “container 5”) to which the lid 10 of the present embodiment is attached will be described.

  The container 5 is a bottomed cylindrical cup-shaped container, and includes a cylindrical wall body 5a such as a cylinder or a rectangular tube, and a bottom body 5b that closes a lower end opening of the wall body 5a. An opening 2 is provided in the part. The wall 5a is formed in a tapered shape that gradually widens upward, and the upper end of the wall 5a has a ring-shaped thick portion (flange portion 6) formed by being folded back. doing.

  As shown in FIG. 2, a paper lid 7 is stuck to the flange portion 6 to seal the opening 2 in the opening 2 of the container 5, and the lid 7 is opened to the opening 5. By detaching from 2, the contents accommodated in the container 5 can be taken out.

  As this content, for example, powders such as instant coffee, cocoa, sprinkles, seasonings are preferably used.

  Next, the lid 10 of this embodiment used for the container 5 will be described.

  The lid 10 of the present embodiment is a lid 10 that is detachably attached to the opening 2 of the container 5 described above, and is against the outer peripheral edge (flange portion 6) of the opening 2 formed at the upper end of the container 5. And a fitting portion 15 to be fitted together.

  The lid 10 is formed by, for example, injection molding using a material having a barrier property such as PP, and has a base body 11 with a central portion protruding in a substantially circular shape. , Provided on the outer periphery of the substrate 11.

  As shown in FIG. 2, the fitting portion 15 protrudes upward from the outer peripheral portion of the base 11 so as to form an inverted U shape in a longitudinal section. Specifically, the fitting portion 15 includes an upper surface portion 16 formed in a flat shape, and an outer wall portion 17 (peripheral wall of the present application) and an inner wall portion that face each other and hang downward on both sides of the upper surface portion 16. 18. The inner wall portion 18 is connected to the base body 11, and the outer wall portion 17 is formed to extend downward from the lower end surface of the base body 11.

  The outer wall portion 17 is provided with two fitting portions having different inner diameters for fitting with the flange portion 6 of the container 5 at the top and bottom. Moreover, two upper and lower locking projections 21 and 22 are formed at these two fitting portions so as to protrude inward and to lock the flange portion 6 of the container 5.

  The upper locking projection 21 (second fitting portion of the present application) is used when the lid 10 is attached to the container 5 from which the lid member 7 has been removed, and the lower locking projection 22 (the first locking portion of the present application). 1) is used when the lid 10 is attached to the container 5 to which the lid member 7 is attached.

  Further, since the outer diameter D1 of the opening portion with the lid member 7 attached is larger than the outer diameter D2 of the opening portion with the lid member 7 removed, the upper inner wall 21a of the upper locking projection 21 is provided. (Corresponding to the upper fitting part) is formed so as to rise inward from the upper inner wall 22a (corresponding to the lower fitting part) of the lower locking projection 22.

  When the lid 10 is attached to the container 5 to which the lid member 7 is attached, the upper surface of the lid member 7 is in contact with the outer peripheral lower end surface 11a of the base body 11 as shown in FIG. The lower periphery of the portion 6 is locked to the lower locking projection 22 so as to sandwich the lid member 7, and the flange portion 6 is pressed inward by the outer wall portion 17, so that the opening 2 of the container 5 is The lid 10 is attached in close contact.

  On the other hand, when the lid 10 is attached to the container 5 from which the lid member 7 has been removed, the inner wall 18 is fitted inside the opening 2 of the container 5 as shown in FIG. The lower periphery of the flange portion 6 is locked to the upper locking protrusion 21. Since the inner wall 18 is in close contact with the inner surface of the container, the barrier property in the container can be maintained even when the lid member 7 is removed. Further, the flange 10 is pressed inward while being covered with the upper surface portion 16 and the outer wall portion 17, so that the lid 10 is attached in close contact with the opening 2 of the container 5.

  As described above, according to the lid 10 of the present embodiment, since the two fitting parts that can correspond to the fitting parts having different outer diameters are provided, in each fitting part, between the container 5 and the lid 10. Since an appropriate fitting strength can be created, the lid 10 can be securely attached to the container 5 with high adhesion.

  Moreover, since the base | substrate 11 has barrier property, when the lid | cover 10 is attached to the container 5 after the cover material 7 is removed, the quality of the content accommodated in the said container main body will deteriorate. Can be prevented. Note that in the case where the substrate 11 is formed of a material that does not have a barrier property, a sheet having a barrier property may be provided separately.

  Next, another embodiment of the fitting form of the lid 10 of this embodiment will be described with reference to FIG. Note that in the lid 10A of the present embodiment, members having the same functions as those of the lid 10 are denoted by the same reference numerals, and description thereof is omitted.

  The fitting portion 15 of the lid 10 of the above embodiment is formed so as to protrude above the outer peripheral portion of the base 11, whereas the lid 10A of this embodiment is below the top plate 31 formed in a flat shape. This is different in that the fitting portion 15 is formed in a simple shape.

  The lid 10 </ b> A of the present embodiment includes a top plate 31 formed in a substantially circular shape in plan view, and a side wall body 32 (a peripheral wall of the present application) formed by hanging around the top plate 31. The top plate 31 is provided with an annular rib 33 (inserted body of the present application) that hangs downward on the outer peripheral portion thereof. The rib 33 is fitted inside the opening of the container 5 when the lid 10A is attached to the container 5 from which the lid member 7 has been removed. Since the rib 33 is in close contact with the inner surface of the container, the barrier property in the container can be maintained even when the lid member 7 is removed. Further, the rib 33 comes into contact with the upper surface of the lid member 7 when the lid 10A is attached to the container 5 to which the lid member 7 is attached.

  Further, the side wall body 32 is provided with two fitting portions which are fitted to the flange portion 6 of the container 5 at the top and bottom. Specifically, two upper and lower locking projections 21 and 22 are formed that protrude inward and lock the flange portion 6 of the container 5.

  Next, another embodiment of the fitting form of the lid 10 of this embodiment will be described with reference to FIG. Note that in the lid 10B of the present embodiment, members having the same functions as those of the lid 10 are denoted by the same reference numerals, and description thereof is omitted.

  Whereas the fitting portion 15 of the lid 10 of the above embodiment has two fitting sites on one side of the base body 11, the lid 10B of this embodiment is on both sides of the front and back surfaces of the base body 41, respectively. The difference is that different fitting sites are provided.

  The lid 10 </ b> B of the present embodiment includes a top plate 41 formed in a substantially circular shape in plan view, an upper side wall body 42 (peripheral wall of the present application) vertically suspended around the top plate 41, and a lower side wall body 43. (The peripheral wall of the present application). Further, on the surface (upper surface) of the top plate 41, a projecting body 44 (inserted body of the present application) is formed at the center portion so as to project in a substantially circular shape in plan view. The peripheral edge 44a of the projecting body 44 is inserted into the opening 2 of the container 5 when the lid 10B is attached to the container 5 from which the lid member 7 has been removed. Further, the lower end surface of the top plate 41 comes into contact with the upper surface of the lid member 7 when the lid 10B is attached to the container 5 to which the lid member 7 is attached.

  The upper wall body 42 and the lower wall body 43 are each provided with a fitting portion that fits with the flange portion 6 of the container 5. Specifically, the upper side wall body 42 is formed on the upper end portion with a locking projection 21 that protrudes inward and the flange portion 6 of the container 5 is locked, and the lower side wall body 43 projects inward. A locking projection 22 for locking the flange portion 6 of the container 5 is formed at the lower end.

  The upper side wall body 42 is used when the lid 10B is attached to the container 5 from which the lid member 7 is removed, and the lower side wall body 43 is used when the lid 10B is attached to the container 5 to which the lid member 7 is attached. .

  Further, when the lid 10B is attached to the container 5 from which the lid member 7 has been removed, the peripheral edge 44a of the projecting body 44 is in close contact with the inner surface of the container, so that the barrier property inside the container can be maintained even when the lid member 7 is removed. .

  Next, an embodiment of a lid 10C having an opening / closing mechanism will be described with reference to FIG. In the lid 10C of the present embodiment, members having the same functions as those of the lid 10A are denoted by the same reference numerals, and description thereof is omitted.

  The lid 10 </ b> A of the above embodiment can take out the contents stored in the container 5 by removing the lid 10 </ b> A from the container 5, whereas the lid 10 </ b> C of the present embodiment is attached to the top plate 31. Large and small opening / closing lids 53 and 54 are provided, and the contents can be taken out without removing the lid 10 </ b> C from the container 5.

  The lid 10 </ b> C of the present embodiment includes a top plate 31 formed in a substantially circular shape in plan view, and a side wall body 32 formed by hanging around the top plate 31. Further, the side wall body 32 is provided with two fitting portions which are fitted to the flange portion 6 of the container 5 at the top and bottom.

  Before and after the top plate, two large and small through holes 31a and 31b for taking out the contents accommodated in the container 5 are formed, and the through holes 31a and 31b have hinge portions. Cover plates 53 and 54 are attached to the base end portions 51 and 52 so as to be rotatable.

  The lid plates 53 and 54 are provided with knobs 53 a and 54 a for opening and closing. The knob 53 a of the lid plate 53 that closes the large through hole 31 a is formed so as to protrude outward from the outer peripheral edge of the top plate 31. Yes. An insertion hole 56 for inserting a portion of a spoon handle (not shown) is formed in the protruding portion, and the spoon can be locked using the insertion hole 56.

  Note that a plurality of through holes 31a and 31b may be provided, or one large hole may be provided. Further, various shapes can be selected and applied.

  In addition, embodiment described above does not limit the invention concerning a claim. And not all the combinations of the configurations described in the above embodiment are indispensable means for solving the problems of the invention.

  Specifically, in the present embodiment, the lids 10 to 10C of the present embodiment are applied to the food container 5; however, the container is not necessarily limited to a container that stores food, such as a container that contains detergent. The container 5 is not limited to paper as shown in the present embodiment, and can be applied to various containers such as a can container. Further, the flange portion 6 has a shape wound outward, but includes a case where the flange portion 6 is simply formed by bending outward. Moreover, although the rib 33 of the lid 10 </ b> A shown in the present embodiment is formed in an annular shape, a form in which the top plate 31 is discontinuously (partially) provided may be used. Furthermore, although the locking protrusions 21 and 22 of the present embodiment are formed in an annular shape, a form in which they are discontinuously (partially) provided on the outer wall portion 17 may be employed.

  Furthermore, the entire container 5 is formed in a circular shape in plan view, but may be an elliptical shape or a polygonal shape other than the circular shape. In this case, the external shape of the lids 10 to 10C is the container. 5 to the same shape.

2 Opening 5 Container 6 Flange 10 Lid 11 Base 17 Outer Wall 21, 22 Locking Projection 32 Side Wall Body 33 Rib 42 Upper Wall Body 43 Lower Side Wall Body 44 Projection

Claims (1)

A container body to which a lid for sealing the opening is attached;
  A lid body detachably attached to the outer peripheral edge of the opening of the container body,
  The lid is
  A base body, and a peripheral wall provided in the peripheral direction of the base body so as to extend in the vertical direction,
  In the peripheral wall,
  Comprising two fitting parts having different inner diameters to be fitted to the outer peripheral edge;
  The fitting portion includes a first fitting portion that fits with an outer peripheral edge of the opening portion of the container main body to which the lid member is attached, and an outer peripheral edge of the opening portion of the container main body from which the lid material is removed. A second fitting portion to be joined,
  The base body is provided with an insertion body to be inserted inside the opening of the container body from which the lid member is removed,
  The inner wall of the second fitting part is formed so as to rise inside the inner wall of the first fitting part,
In the container main body from which the lid member has been removed, the second fitting portion is in close contact with the outer peripheral edge of the opening, the fitting is in close contact with the inside of the opening, and the lid is attached to the container main body. Attached,
  The peripheral wall is vertically provided on both sides of the front and back surfaces of the base body, the two fitting portions are provided with different fitting portions on both sides of the base body, and the fitting body includes the second fitting portion. A container with a lid, which is provided on a front surface or a back surface of a substrate on a side on which the cover is provided.

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