JP2017178363A - container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a container capable of preventing deviation and slip of containers which are laminated in a vertical direction and capable of being laminated stably.SOLUTION: A container 1 comprises a mouth 2 which is a bung hole of a content, and comprises the mouth 2, a shoulder 3, a trunk 4 and a bottom part 5 in an integrated state. The bottom part 5 comprises a recess part 5b which can store the mouth 2 of the container 1 on a lower side, when the containers 1 are laminated in a vertical direction, and a first surface 5c provided on the outside of the recess part 5b. The shoulder 3 has a second surface 3b which faces the first surface 5c provided on the bottom part 5 of the upper container 1, when the containers 1 are laminated in the vertical direction, and on at least one of the second surface 3b of the shoulder 3 and the first surface 5c of the bottom part 5, a slip resistance part 7 or 9 for preventing slip of upper and lower containers 1 when the containers 1 are laminated in the vertical direction, is provided.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a container that includes a mouth portion that serves as a spout for contents, and that integrally includes a shoulder portion, a trunk portion, and a bottom portion following the mouth portion, and is capable of stacking up and down.

  Conventionally, as this type of container, there is a container described in Patent Document 1 below, and this container is composed of a rectangular columnar main body part, a top part having a spout, and a bottom part provided at the lower part of the main body part, The bottom is provided with a recess capable of accommodating a spout and a cap attached thereto when the containers are stacked up and down.

JP-A-8-26240

  However, in the conventional container, there is a problem in that stacking of containers is unstable because containers stacked vertically are shifted or slipped.

  This invention is made | formed in view of such a situation, Comprising: The shift | offset | difference and slip of the containers piled up and down are prevented, and it aims at providing the container which can be piled up stably.

  The container of the present invention made in order to solve the above-mentioned problem is a container comprising a mouth part serving as a spout for contents, and a shoulder part, a trunk part and a bottom part which are integrated with the mouth part. The bottom portion has a recess capable of accommodating the mouth portion of the lower container when the container is stacked up and down, and a first surface provided outside the recess, and the shoulder portion is A second surface facing the first surface provided at the bottom of the upper container when the container is stacked up and down, the second surface of the shoulder and the second surface of the bottom At least one of the surfaces of 1 is provided with a non-slip portion that prevents the upper and lower containers from slipping when the containers are stacked one above the other.

  In the container of the present invention, it is preferable that the second surface of the shoulder portion and the first surface of the bottom portion are flat surfaces extending in the horizontal direction. Or it is preferable that the said 2nd surface of the said shoulder part and the said 1st surface of the said bottom part are inclined surfaces inclined with respect to the horizontal direction.

  Moreover, in the container of this invention, it is preferable that the said anti-slip | skid part is a some protrusion provided in the cyclic | annular convex part or mutually spaced apart.

  Furthermore, in the container of the present invention, the anti-slip portion is preferably made of rubber, elastomer, ink, or hot melt resin.

  Furthermore, in the container of the present invention, a step is provided between the outer edge portion of the shoulder portion and the second surface, and the second surface is positioned higher than the outer edge portion through the step. It is preferable that it exists in.

  According to the container of the present invention, it is possible to effectively prevent displacement and slipping of the containers stacked up and down by the anti-slip part provided on at least one of the second surface of the shoulder and the first surface of the bottom. Can do.

It is a figure which shows the container which concerns on one Embodiment of this invention, (a) is a top view, (b) is a front view. It is a figure explaining the state which piled up the other container which has the same shape on the container of FIG. It is a figure which shows the container which concerns on other embodiment of this invention, (a) is a front view, (b) is a bottom view. It is a figure explaining the state which piled up the other container which has the same shape on the container of FIG.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 shows a container according to an embodiment of the present invention, (a) is a plan view, (b) is a front view, and FIG. 2 has the same shape on the container of FIG. It is a figure explaining the state which accumulated other containers which have.

  The container 1 of the present embodiment is formed of a synthetic resin such as polyethylene terephthalate (PET) and has a bottomed cylindrical shape as shown in FIG. A bottle-shaped container 1 in which a mouth part 2, a shoulder part 3, a body part 4 and a bottom part 5 are integrally connected in this order. Such a container 1 can be manufactured by performing biaxial stretch blow molding of a preform formed by injection molding, and a storage space for contents such as beverages and detergents is formed therein. Yes. Further, the container 1 is an EBM molding (extension blow) in which a synthetic resin such as polyethylene (PE) or polypropylene (PP) is heated and melted, extruded into a tube shape, sandwiched between molds, and air is blown into the interior to mold a hollow product. (Moulding / extrusion blow molding method).

  In the present embodiment, the mouth portion 2, the shoulder portion 3, the body portion 4 and the bottom portion 5 are arranged on a common axis O, and in this specification, the mouth 2 side along the direction of the axis O is the upper portion and the bottom portion. A direction perpendicular to the axis O is a radial direction or a horizontal direction, and a direction around the axis O is a circumferential direction.

  The mouth portion 2 is formed to be smaller in diameter than the body portion 4 and functions as a spout for pouring out the contents of the container 1 and is formed in a cylindrical shape in the illustrated example. A male screw 2 a is formed at least at the upper end of the outer peripheral surface of the mouth 2. A female screw c1 of a cap C having a top cylinder shape is screwed into the male screw 2a of the mouth portion 2.

  The shoulder part 3 is provided between the mouth part 2 and the trunk | drum 4, and has connected these. The shoulder 3 is an annular second surface formed at a position (upper position) higher than the outer edge 3a via a step d on the radially inner side of the outer edge 3a adjacent to the upper end of the body 4. The flat surface 3b is provided. The flat surface 3b is formed along the horizontal direction, that is, the direction orthogonal to the axis O, and the above-described mouth portion 2 is erected from the inner peripheral edge position. The flat surface 3b faces an annular flat surface, which will be described later, provided on the bottom 5 of the upper container 1 when the plurality of containers 1 are stacked vertically (in the direction of the axis O) during storage (FIG. 2) (parallel). ).

  The body 4 has a cylindrical shape, and although not shown in the drawing, a product label or the like is attached to the outer peripheral surface of the body 4, a rib for reinforcement, or a finger pad that can be gripped when gripping. For example, a concave portion can be provided.

  The bottom part 5 has a substantially disk shape, and has an annular grounding part 5a located at the outer peripheral edge part thereof, and a concave part 5b extending along the axis O and recessed upward. Yes. The concave portion 5b has a cylindrical shape with a top, and includes a top wall 5b1 and a peripheral wall 5b2 suspended from the outer edge of the top wall 5b1, and the top wall 5b1 and the peripheral wall 5b2 are formed by stacking a plurality of containers 1 vertically. When this occurs, a space that can accommodate the mouth 2 of the lower container 1 is defined. The bottom portion 5 is provided with an annular flat surface 5c as a first surface that connects the peripheral wall 5b2 of the recess 5b and the grounding portion 5a in the radial direction and is positioned slightly above the grounding portion 5a. It has been. The flat surface 5c is formed along the horizontal direction, that is, the direction orthogonal to the axis O, and when the plurality of containers 1 are stacked up and down during storage or the like (FIG. 2), the shoulder of the lower container 1 3 faces the flat surface 3b described above.

  And the container 1 of this embodiment is provided with the some protrusion 7 as a non-slip | skid part in the flat surface 3b of the shoulder part 3, as shown in FIG. The protrusions 7 are arranged at intervals in the circumferential direction, preferably at equal intervals. Each protrusion 7 is formed in a substantially hemispherical shape or a dome shape, but may have a disk shape with a flat top surface. Such protrusions 7 are made of rubber, elastomer, ink, or hot melt resin exhibiting an anti-slip function, and can be fixed to the flat surface 3b by a method such as adhesion, printing, coating, or welding. Although eight protrusions 7 are provided in the illustrated example, the number is not limited to this, and may be seven or less or nine or more.

  When stacking up and down (in the direction of the axis O) using a plurality of containers 1 having such a configuration, as shown in FIG. 2, one container 1 positioned on the upper side of the pair of containers 1 stacked up and down is In the recessed part 5b formed in the bottom part 5, it stacks | stacks so that the opening | mouth part 2 with which the cap C was mounted | worn of the other container 1 located below may be inserted and accommodated. As a result, the protrusion 7 as the anti-slip portion provided on the flat surface 3b of the shoulder 3 of the lower container 1 comes into contact with the flat surface 5c of the bottom 5 of the upper container 1 so that the upper and lower containers 1 Since displacement and slippage are prevented by the projection 7, the containers 1 can be stacked stably.

  In the present embodiment, the flat surface 3b of the shoulder portion 3 is formed at a position (stepped up) higher than the outer edge portion 3a through the step d, so that the upper container is stacked in the state where the containers 1 are stacked up and down. 1 is not in contact with the shoulder 3 of the lower container 1, and as shown in FIG. 2, the grounding part 5a of the bottom 5 of the upper container 1 and the lower container 1 A gap s in the direction of the axis O is formed between the shoulder 3 and the outer edge 3a. Thereby, since the total load of the upper container 1 is applied to the projections 7 provided on the shoulder 3 of the lower container 1, the frictional force increases and the anti-slip function can be enhanced.

  Furthermore, in this embodiment, since the flat surface 3b of the shoulder portion 3 and the flat surface 5c of the bottom portion 5 are both formed horizontally, when the plurality of containers 1 are stacked one above the other, the protrusion 7 as the anti-slip portion is provided on the protrusion 7. Since only the compression force acts and the shear force does not act, the containers 1 can be stacked more stably.

  Next, a container according to another embodiment of the present invention will be described with reference to FIGS. This embodiment is an example in which a non-slip portion is provided on the bottom 5 of the container 1.

  Specifically, as shown in FIG. 3, the container 1 of the present embodiment has the same basic structure as the container 1 of the previous embodiment, and the bottom 5 has a recess 5 b and a radially outer side of the recess 5 b. An annular flat surface 5c is provided as a first surface, and the shoulder portion 3 is provided with an annular flat surface 3b as a second surface. Both flat surfaces 3b and 5c are formed along the horizontal direction, that is, the direction orthogonal to the axis O.

  In the present embodiment, the flat surface 5c of the bottom portion 5 is provided with a plurality of protrusions 9 as anti-slip portions. The protrusions 9 are arranged at intervals in the circumferential direction, preferably at equal intervals. Each projection 9 is formed in a disk shape with a flat top surface, but may be formed in a substantially hemispherical shape or a dome shape. Such a protrusion 9 can be formed by the same material and method as the protrusion 7 in the previous embodiment.

  Also in the container 1 of the present embodiment, as in the container 1 of the previous embodiment, when the plurality of containers 1 are stacked one above the other as shown in FIG. Therefore, the containers 1 can be stably stacked.

  Further, in the container 1 of the present embodiment, the protrusion 9 is formed on the bottom 5 of the container 1 so that the protrusion 9 is hardly visible from the outside, and the influence on the appearance of the container 1 due to the provision of the protrusion 9 is reduced. can do.

  Although the present invention has been described based on the illustrated examples, the present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the claims.

  For example, in the above-described embodiment, it has been described that the plurality of protrusions 7 and 9 are provided as the anti-slip portion. However, the anti-slip portion may be configured by an annular convex portion extending in a ring shape in the circumferential direction. At this time, two or more annular convex portions can be provided concentrically. The annular protrusion can be formed by the same material and method as the protrusions 7 and 9 in the above-described embodiment. Furthermore, in the above-described embodiment, the protrusions 7 and 9 as the anti-slip portions are provided on the flat surface 3b of the shoulder portion 3 or the flat surface 5c of the bottom portion 5. However, the anti-slip portion includes the flat surface 3b of the shoulder portion 3 and You may provide in both of the flat surfaces 5c of the bottom part 5. FIG.

  In the above-described embodiment, the first surface of the bottom portion 5 and the second surface of the shoulder portion 3 are flat surfaces 5c and 3b, respectively. However, the first surface and the second surface are in the horizontal direction. In this case, at least one of the inclined surface of the bottom portion 5 and the inclined surface of the shoulder portion 3 may be formed from the protrusions 7 and 9 and the annular convex portion as in the above-described embodiment. An anti-slip portion can be provided (not shown).

  In the above-described embodiment, the container 1 having a circular cross-sectional shape has been described. However, the present invention can be applied to various types of containers such as a square cross-sectional shape.

  2 and 4 show an example in which the cap C is attached to the mouth portion 2 of the container 1 stacked up and down. However, the cap C is not attached to the mouth portion 2 and the container is empty. 1 may be stacked, stored, transported, and the like.

  ADVANTAGE OF THE INVENTION According to this invention, the container which can prevent the shift | offset | difference and slip of the containers stacked up and down effectively, and can be stacked stably is provided.

DESCRIPTION OF SYMBOLS 1 Container 2 Mouth part 3 Shoulder part 3a Outer edge part 3b Flat surface 4 Trunk part 5 Bottom part 5a Grounding part 5b Recessed part 5c Flat surface 7,9 Protrusion (slip prevention part)
d Step

Claims (6)

A container including a mouth serving as a spout for contents, and a shoulder, a trunk, and a bottom integrally formed following the mouth;
The bottom portion has a recess capable of accommodating the mouth portion of the lower container when the container is stacked up and down, and a first surface provided outside the recess,
The shoulder portion has a second surface facing the first surface provided on the bottom portion of the upper container when the container is stacked up and down,
At least one of the second surface of the shoulder portion and the first surface of the bottom portion is provided with a non-slip portion that prevents the upper and lower containers from slipping when the containers are stacked up and down. Container.   The container according to claim 1, wherein the second surface of the shoulder and the first surface of the bottom are flat surfaces extending in a horizontal direction.   The container according to claim 1, wherein the second surface of the shoulder portion and the first surface of the bottom portion are inclined surfaces inclined with respect to a horizontal direction.   The container according to any one of claims 1 to 3, wherein the anti-slip portion is an annular convex portion or a plurality of protrusions provided at intervals.   The container according to any one of claims 1 to 4, wherein the anti-slip portion is made of rubber, elastomer, ink, or hot melt resin.   The step is provided between the outer edge portion of the shoulder portion and the second surface, and the second surface is positioned higher than the outer edge portion through the step. The container according to one item.

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