JP6463607B2 - Tube container with lid - Google Patents

Description

  The present invention relates to a tube container with a lid, and more particularly to a tube container with a lid provided with a mechanism that makes a user feel that the lid is closed.

  BACKGROUND ART Tube containers with a lid in which a lid (cap) is attached to the neck of the container body have been widely used for various applications such as kneading, kneaded wasabi food, and non-food such as toothpaste. As such a tube container with a lid, one having a mechanism that makes the user feel the click feeling of the closed feeling has been proposed so that the user can know that the lid is closed.

  For example, in Patent Document 1 below, an outwardly projecting portion that is inclined and extended in the direction opposite to the inclination direction of the male threaded portion of the neck portion is provided on the outer peripheral surface of the neck portion of the container body at an interval along the outer peripheral direction. On the inner peripheral surface of the peripheral wall, an inward convex portion corresponding to each outward convex portion protrudes at intervals along the circumferential direction, and when the lid is opened and closed, the outward convex portion of the container body is projected to the inward convex portion of the lid. A container with a lid with a locking part over which the part rides is shown.

  In Patent Document 2 below, a plurality of container-side protrusions having a width corresponding to the final screwing pitch interval are provided on the container neck, and a cap-side protrusion that overcomes the plurality of container-side protrusions at the final screwing stage is provided on the cap. A container cap device is described, in which a container-side protrusion is provided below the threaded portion of the container neck, and a cap-side protrusion is provided below the threaded portion of the inner periphery of the cap.

JP 2013-244993 A JP 2003-276747 A

  However, as described in Patent Document 1 described above, the container-side outward convex portion constituting the loosening prevention portion is provided on the flexible portion of the container (specifically, the lower position of the neck portion). In a flexible container that crushes the container and pushes the contents out of the opening at the tip of the neck, it is difficult to crush the part provided with the outward convex part, and it is easy to remove the contents remaining in that part in the container Problems that cannot be extruded may occur.

  On the other hand, as described in Patent Document 2, the container-side protrusion is not provided in the flexible portion that is crushed by providing the container-side protrusion below the threaded portion of the container. Can be resolved. However, when the container-side protrusion is provided below the threaded portion in this way, the cap-side protrusion is provided below the threaded portion on the inner periphery of the cap. When the cap is screwed onto the neck while the sealing material is stuck to the opening, the cap-side protrusion interferes with the tab portion of the aluminum sealing material and the aluminum sealing material is peeled off.

  The object of the present invention is to deal with such a problem, that is, to give the user a click feeling that is a feeling that the lid is closed, to easily crush the flexible part near the neck, and to It is an object of the present invention to provide a tube container with a lid that prevents peeling of the film-like sealing material when the lid is screwed into a container having a film-like sealing material such as an aluminum sealing material attached to the opening.

In order to achieve such an object, according to the present invention, a container body in which a neck portion is provided with a screw portion and a film-like sealing material is attached to a tip opening of the neck portion, and an inner cylindrical wall screwed into the screw portion of the neck portion A tube container with a lid, wherein the container body is provided with a plurality of protruding ribs projecting outwardly provided at intervals along the circumferential direction below the threaded portion in the neck portion. The lid includes a plurality of downward projecting portions provided at the lower end of the inner cylindrical wall at intervals along the circumferential direction and projecting downward, and the downward projecting portion projects inward from the inner surface thereof. Engagement projections that engage between the projecting ribs at the end of screwing into the neck and abut against the circumferential end surface of the projecting ribs, and the wall height is gradually reduced by extending downstream in the screwing rotation direction of the lid. comprising a lateral wall, the projecting rib a period of There lidded tube container characterized in that it is wider than the width of the engaging projection is provided.

  The tube container with a lid of the present invention having such a feature can easily crush the flexible portion of the container body by providing a protruding rib at the neck of the container body. Then, when the engagement protrusions of the lid are engaged between the plurality of protruding ribs in the container body, the user can feel the lid closed, and the engagement protrusions of the lid are engaged between the protruding ribs. By combining, it becomes possible to prevent the lid from loosening. In addition, the engagement protrusion engaged between the projecting ribs at the end of screwing of the lid comes into contact with the circumferential end surface of the projecting rib, thereby preventing the lid from rotating and preventing the lid from rotating excessively. Can do.

  When the lid is screwed into the neck of the container body with a film-like sealing material (aluminum sealing material, etc.) attached to the opening at the tip of the neck, the downward projecting portion provided at the lower end of the inner cylindrical wall of the lid The lid has a horizontal wall whose wall height gradually decreases on the downstream side in the screwing rotation direction. Therefore, even if the downward projecting portion interferes with the tab portion of the film-like sealing material, the lower end of the horizontal wall gradually becomes the tab of the film-like sealing material. The portion is pushed downward and stored in the inner cylinder wall of the lid. As a result, it is possible to suppress a problem that the film-like sealing material is peeled off when the lid is screwed on.

It is explanatory drawing which showed the state equipped with the lid | cover of the tube container with a lid concerning embodiment of this invention. It is explanatory drawing which showed the container main body of the tube container with a lid concerning embodiment of this invention. It is explanatory drawing which showed the lid | cover of the tube container with a lid concerning embodiment of this invention. It is sectional drawing which showed the state which the engagement protrusion of the downward protrusion part engaged between the protruding ribs of the container main body.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a tube container with a lid according to an embodiment of the present invention, and shows a state where a lid is attached to a container body. The tube container 100 with a lid includes a container body 1 and a lid 2. The container body 1 includes a neck portion 1 </ b> C having a tip opening 10, the neck portion 1 </ b> C includes a screw portion 11, and a film-like sealing material 3 such as an aluminum sealing material is attached to the tip opening 10. As the material structure of the film-shaped sealing material 3, when the contents are easily deteriorated by air, those having excellent gas barrier properties are preferable. For example, a multilayer or simple seal material provided with a film in which a metal such as aluminum foil or aluminum is deposited may be used. The lid 2 is screwed into the neck portion 1C of the container body 1 and includes an inner cylindrical wall 2A having a screw portion (female screw portion) 30 screwed into a screw portion (male screw portion) 11 of the neck portion 1C. .

  The container body 1 shown in FIGS. 1 and 2 includes a body portion 1A having flexibility and a shoulder portion 1B, and a neck portion 1C that forms a tip opening 10 on the shoulder portion 1B. And the container main body 1 can push out the contents from the front-end | tip opening 10 of the neck part 1C by crushing the trunk | drum 1A or the shoulder part 1B.

  The configuration of each part of the container body 1 will be described with reference to FIGS. 1 and 2. 2, (a) is a top view of the container main body 1, (b) is a side view, and (c) is an enlarged view of a portion A in (b).

  The neck portion 1 </ b> C of the container body 1 includes a screw portion 11 and a plurality of protruding ribs 12 below the screw portion 11. The protruding ribs 12 are provided so as to protrude outward with a space 12F along the circumferential direction. The protruding rib 12 is a surface in which one circumferential end surface 12A rises sharply.

  Further, the neck portion 1C of the container body 1 is provided with a projecting seal portion 13 that protrudes over the entire side surface of the neck portion 1C. As shown in the enlarged view of FIG. 2C, the projecting seal portion 13 has a shape protruding in a pointed shape. A film-like sealing material 3 such as an aluminum sealing material is affixed to the tip surface 14 of the neck portion 1C, and the tip opening 10 is closed with the film-like sealing material 3.

  The shoulder portion 1B of the container body 1 is a portion that gradually changes in diameter along the axial direction from the neck portion 1C and extends from the neck portion 1C to the thicker trunk portion 1A, and is outward from the neck portion 1C toward the trunk portion 1A. It has a dome shape having a convex curved surface 20. In this way, the shoulder portion 1B is easily crushed by forming the shoulder portion 1B into a dome shape.

  Moreover, the container main body 1 is provided with a plurality of shoulder ribs 15 that extend in the axial direction and swell outward in the shoulder portion 1B. The plurality of shoulder ribs 15 are formed such that a pair of shoulder ribs 15A at 180 ° positions are longer than the other shoulder ribs 15B. Thus, it becomes possible to determine the direction of the container main body 1 by providing the shoulder rib 15A longer than the other shoulder ribs 15B at the set position among the plurality of shoulder ribs 15 provided.

  Specifically, when printing is performed on the outer peripheral surface of the container body 1, the printed pattern / characters can be positioned with reference to the long shoulder rib 15 </ b> A. If the front side of printing is set in a direction perpendicular to the arrangement of the long shoulder ribs 15A, the user can be guided to crush the front side of printing, and the length of the front side of the printing can be increased to a position perpendicular to the crushing direction. By arranging the pair of shoulder ribs 15A, when the shoulder portion 1B is crushed, a crease along the longer shoulder rib 15A is generated and the crushing force can be reduced.

  Such a container body 1 is made of a thermoplastic resin such as a polyolefin resin such as polyethylene or polypropylene, a polyamide (nylon) resin, or a thermoplastic polyester resin such as polyethylene terephthalate or polyethylene naphthalate. It can be formed by a molding method such as a molding method.

  Next, a configuration example of the lid 2 will be described with reference to FIGS. 1 and 3. 3A is a bottom view of the lid 2, FIG. 3B is an XX sectional view of FIG. 3A, FIG. 3C is an enlarged view of a portion B in FIG. 3B, and FIG. It is the enlarged view which showed the modification of the B section.

  The lid 2 screwed onto the neck 1C of the container body 1 includes an inner cylinder wall 2A, a top wall 2B, and an outer cylinder wall 2C. As described above, the inner cylindrical wall 2A of the lid 2 has a threaded portion (female threaded portion) 30 on its inner peripheral surface so that it can be screwed into a threaded portion (male threaded portion) 11 provided on the neck portion 1C of the container body 1. It has. In addition, a seal surface 31 is formed on the inner peripheral surface of the inner cylindrical wall 2A so as to be in close contact with the protruding seal portion 13 provided on the outer peripheral surface of the neck portion 1C of the container body 1. Here, since the projecting seal portion 13 of the container body 1 is formed in a pointed shape, the outer diameter dimension of the projecting seal portion 13 of the container body 1 and the inner diameter dimension of the seal surface 31 may vary. The tip end portion of the projecting seal portion 13 can be appropriately deformed to ensure adhesion.

  The top wall 2B of the lid 2 covers the upper part of the inner cylindrical wall 2A, and a seal projection 32 is provided on the inner surface thereof. In a state where the lid 2 is screwed into the neck portion 1C of the container body 1, the seal protrusion 32 provided on the inner surface of the top wall 2B is brought into close contact with the distal end surface 14 of the neck portion 1C of the container body 1 through the film-like sealing material 3. In addition, the protruding seal portion 13 in the neck portion 1C of the container body 1 comes into close contact with the seal surface 31 on the inner surface of the inner cylindrical wall 2A.

  The outer cylindrical wall 2C of the lid 2 is provided so as to cover the outer side of the inner cylindrical wall 2A, and extends downward from the lower end of the inner cylindrical wall 2A to form an opening lower end portion 33 of the lid 2. In a state where the lid 2 is screwed into the neck 1C of the container body 1, the outer cylindrical wall 2C of the lid 2 is mounted so as to cover a part or the whole of the shoulder 1B of the container body 1.

  The lid 2 includes a plurality of downward projecting portions 34 at the lower end of the inner cylindrical wall 2A. A plurality of downward projections 34 are provided at intervals along the circumferential direction corresponding to the intervals 12F between the plurality of protruding ribs 12 in the container body 1. The downward projecting portion 34 is provided with an engaging projection 34A projecting inward from the inner surface thereof, and the engaging projection 34A is interposed between the projecting ribs 12 of the container body 1 at the end of screwing into the neck 1C of the container body 1. The contact surface 34A1 of the engagement protrusion 34A contacts the circumferential end surface 12A of the protruding rib 12 in the container body 1.

  In the downward projecting portion 34, a lateral wall 34 </ b> B whose wall height gradually decreases is extended at least downstream in the screwing rotation direction of the lid 2. The horizontal wall 34B may be provided only on the downstream side in the screwing rotation direction of the lid 2 as shown in FIG. 3C, or the horizontal wall 34B in the screwing rotation direction of the lid 2 as shown in FIG. You may provide in both upstream and downstream sides. The horizontal wall 34B has a tapered lower end surface 34B1. A reinforcing rib 34C is provided between the downward projecting portion 34 and the outer cylindrical wall 2C. The reinforcing rib 34C prevents the downward projecting portion 34 from being deformed to the outside, and is connected to the outer cylindrical wall 2C of the lid 2. Therefore, when the lid 2 is molded, a molding die for the downward projecting portion 34 is formed. The inside air is extracted well, the resin flows easily, and the shape of the downward projection 34 is improved.

  Such a lid 2 can be formed using a normal thermoplastic resin, for example, a polyolefin resin such as polyethylene or polypropylene, a polyester resin such as polyethylene terephthalate, or a polyamide resin such as nylon. It can be formed by a normal injection molding method or the like.

  When the lid 2 is screwed and attached to the neck 1C of the container body 1 with the film-like sealing material 3 attached to the tip surface 14 of the neck 1C of the container body 1, the screw on the inner surface of the inner cylindrical wall 2A of the lid 2 Before the portion 30 is screwed into the threaded portion 11 on the outer peripheral surface of the neck portion 1C of the container body 1, the downward projecting portion 34 that projects downward from the threaded portion 11 of the container body 1 on the inner cylindrical wall 2A is formed on the film-like sealing material 3. have a finger in the pie. At this time, the downward projecting portion 34 of the lid 2 is extended with a lateral wall 34B whose wall height gradually decreases at least downstream in the screwing rotation direction. The tapered lower end surface 34B1 gradually folds the tab portion of the film-like sealing material 3 downward and accommodates it inside the inner cylindrical wall 2A. Thereby, even if the downward projecting portion 34 of the lid 2 interferes with the film-like sealing material 3, it is possible to prevent a problem that the film-like sealing material 3 is peeled off from the distal end surface 14.

  When the threaded portion 30 on the inner surface of the inner cylindrical wall 2A of the lid 2 is screwed into the threaded portion 11 of the outer peripheral surface of the neck portion 1C of the container body 1, the engaging protrusion 34A of the downward projecting portion 34 of the lid 2 rotates around the axis. It descends and rides over the projecting rib 12 provided at the lower part of the neck 1C in the container body 1 diagonally downward, and engages in the space 12F between the projecting ribs 12 in the container body 1 at the end of screwing. At this time, the protruding end portion and the corner portion 34m of the engaging protrusion 34A in the lid 2 are rounded, so that the protruding rib 12 is not scraped or damaged when getting over.

  FIG. 4 is a horizontal cross-sectional view showing a state in which the engaging protrusions 34 </ b> A of the downward projecting portion 34 in the lid 2 are engaged between the protruding ribs 12 of the container body 1. FIG. 4A shows a state immediately after the engagement. Thus, when the engaging protrusion 34A protruding inward of the lid 2 gets over the protruding rib 12 in the container body 1 and falls into the interval 12F, the user can obtain a click feeling that the lid 2 is closed. .

  Here, the interval 12F between the protruding ribs 12 in the container body 1 is formed wider than the width of the engaging protrusion 34A in the lid 2, and even after the engaging protrusion 34A is engaged in the interval 12F. The lid 2 is allowed to rotate slightly. After the slight rotation, the contact surface 34A1 of the engagement protrusion 34A in the lid 2 contacts the circumferential end surface 12A of the protruding rib 12 in the container body 1 to stop the rotation of the lid 2 (see FIG. 4B). ). Thus, by providing play in the movement of the engagement protrusion 34A in the lid 2 within the interval 12F in the container body 1, variation in the positional relationship between the engagement protrusion 34A in the lid 2 and the interval 12F in the container body 1 occurs. Even so, the lid 2 can reliably seal the container body 1.

  Thus, the engaging protrusion 34A of the lid 2 gets over the protruding rib 12 of the container body 1 and falls into the interval 12F, so that the user can feel the click feeling that the lid 2 is closed. The engagement protrusions 34 </ b> A engage between the protruding ribs 12 of the container body 1, whereby the lid 2 can be prevented from loosening. Further, when the screwing of the lid 2 is finished, the engaging protrusion 34A of the lid 2 engages with the protruding rib 12 of the container body 1 and comes into contact with the circumferential end surface 12A, thereby preventing the lid 2 from rotating. Can be prevented from rotating excessively. Since the downward projecting portion 34 of the lid 2 is provided with a lateral wall 34B whose wall height gradually decreases on the downstream side in the screwing rotation direction of the lid 2, an aluminum seal is formed on the distal end opening 10 of the neck portion 1C of the container body 1. When the lid 2 is screwed into the neck 1C of the container body 1 with the film-like sealing material 3 such as a material attached, the lid 2 is screwed on without peeling off the attached film-like sealing material 3. Can do.

  Further, the film-like sealing material 3 is removed from the front end surface 14 of the container main body 1, and the body 1A and the shoulder 1B are crushed to extrude the contents from the front end opening 10 of the neck 1C. Is mounted, the protruding seal portion 13 provided on the neck 1C of the container body 1 is engaged with the engagement protrusion 34A of the lid 2 in the interval 12F between the protruding ribs 12 of the container body 1. Since the sealing projection 32 on the top wall 2B of the lid 2 is in close contact with the sealing surface 31 of the lid 2 and the distal end surface 14 of the neck 1C of the container main body 1, the distal end opening 10 of the container main body 1 is covered by the lid 2. Can be sealed. As a result, the contents can be effectively prevented from being deteriorated due to the entry of air into the container body 1.

1: Container body, 1A: trunk, 1B: shoulder, 1C: neck,
10: tip opening, 11: threaded portion (male threaded portion), 12: protruding rib,
12A: circumferential end surface, 12F: interval, 13: protruding seal portion, 14: tip surface,
15, 15A, 15B: shoulder rib, 20: curved surface,
2: lid, 2A: inner cylinder wall, 2B: top wall, 2C: outer cylinder wall,
30: Screw part (female screw part), 31: Seal surface, 32: Seal protrusion
33: Opening lower end portion, 34: downward projecting portion, 34A: engaging projection,
34A1: abutting surface, 34B: lateral wall, 34C: reinforcing rib, 34m: corner,
3: Film-like sealing material, 100: Tube container with lid

Claims (2)

A tube container with a lid having a container body in which a neck portion includes a screw portion and a film-like sealing material is attached to a tip opening of the neck portion, and a lid including an inner cylindrical wall screwed into the screw portion of the neck portion,
The container body includes a plurality of projecting ribs that are provided at intervals along the circumferential direction below the threaded portion in the neck and project outward.
The lid includes a plurality of downward projecting portions that are provided at intervals along the circumferential direction at the lower end of the inner cylindrical wall and project downward.
The downward projecting portion projects inwardly from the inner surface thereof, engages between the projecting ribs at the end of screwing into the neck portion, and engages with a circumferential end surface of the projecting rib, and screwing of the lid A lateral wall extending downstream in the rotational direction and gradually reducing the wall height ;
A tube container with a lid, wherein a space between the protruding ribs is formed wider than a width of the engaging protrusion .   The container body is provided with a projecting seal portion that projects in a pointed manner over the entire circumference of the side surface of the neck, and the lid is a seal in which the projecting seal portion is in close contact with the inner surface of the inner cylindrical wall. The tube container with a lid according to claim 1, further comprising a surface.

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