JP6177188B2 - Tube container - Google Patents

Description

  The present invention relates to a tube container for containing contents such as a cream-like material.

A tube body having a pouring hole formed in the central portion of the top wall formed at the upper end of the body portion, a tube body body placed on the top surface of the tube body top wall to close the pouring hole, and via a hinge A tube container formed by a lid plate connected to the upper end of the part is conventionally known.
In conventional tube containers, it is difficult to squeeze the upper part of the body of the tube body because the top wall of the tube body is obstructing. There was an inconvenience of remaining.

  In order to eliminate this inconvenience, a thin break line is provided around the outer peripheral portion of the top wall of the tube body, and the thin break line is broken so that the top wall portion can be removed while leaving the outer peripheral portion. So, it has been conventionally known that a large-diameter container take-out hole is opened in the top wall of the tube main body so that the cream-like substance accumulated in the upper part of the trunk portion can be easily taken out (for example, Patent Document 1).

JP 2000-335606 A

However, in the tube container described in Patent Document 1, a knob 7 for breaking the thin breaking line 6 stands on the top wall 3 of the tube body, and a finger is inadvertent when the lid plate 8 is opened. There is a problem that the thin breaking line 6 is accidentally broken by coming into contact with the knob 7.
Further, if the knob 7 is made small in order to solve the above-described problem, there is a problem that it is difficult to grasp and lift the knob 7 when attempting to break the thin breaking line 6.

  The present invention aims to solve the above problems, and when the remaining amount of the contents in the tube container is reduced, after loosening the cap a little, the cap is bent to break the mouth of the tube container body. It is an object of the present invention to provide a tube container that can be used by taking out the contents remaining near the mouth or shoulder of the tube container body.

  In order to solve the above-described problems, the present invention provides a tube container body in which a mouth portion is erected from the upper end of a body portion that can be elastically squeezed via a shoulder portion, and a top wall that closes the mouth portion as a tube container. A nozzle base is provided on the upper surface, a cap base having a mounting portion that is screwed into the mouth on the lower surface of the top wall, and a lid that opens and closes the nozzle. The cap base has a standing wall formed on the upper surface and a thin portion for breaking formed below the mouth, and when the cap base is screwed into the mouth, the lower end is held inside the standing wall. The structure characterized by having a holding piece is adopted.

  As a specific embodiment of the cap base of the tube container, the mounting portion of the cap base has a screwed cylinder having a female screw threaded on the inner periphery, and a holding piece formed at the lower part of the screwed cylinder. The structure characterized by employ | adopting is employ | adopted, and the holding | maintenance piece of a cap base | substrate employ | adopts the structure characterized by the outer cylinder wall suspended from the periphery of the top wall.

As a specific embodiment of the tube container main body, a structure in which the thin portion for breaking the tube container main body is formed at the connection portion between the mouth and the shoulder is adopted, and the tube container main body is The structure characterized by further having a receiving part with which the lower end part of the holding piece formed inside the wall abuts is adopted.
Further, as a specific embodiment of the cap of the tube container, a configuration is adopted in which the cap base and the lid are hinge caps connected in series via a hinge.

  In the tube container of the present invention, the tube container main body has an annular standing wall formed on the outer upper surface of the shoulder portion, and a thin portion for breaking formed below the mouth portion, and the cap base is formed in the mouth portion. When the remaining amount of the contents in the tube container is reduced by the lower end of the outer cylinder wall being held inside the upright wall when screwed into the cap, the cap is Since it is lifted, the mouth of the tube container body can be easily broken by bending the cap. Thereby, the contents remaining near the mouth and shoulder of the tube container main body can be taken out and used.

  In addition, the tube container of the present invention has a diameter of the lower end portion of the outer cylinder portion of the cap base body in a state where the tube container body is normally used even though the thin portion for breaking is formed below the mouth portion of the tube container body. Even if it is made to swing in the direction, the standing wall formed on the shoulder portion of the tube container main body restricts this movement, so that it is possible to prevent the breaking thin portion of the tube container main body mouth from breaking.

  Furthermore, when the cap base mounting portion is screwed into the mouth portion of the tube container body and tightened, the lower end portion of the outer cylindrical wall comes into contact with the receiving portion formed inside the upright wall, so that the mounting portion is further It cannot be tightened and it can prevent that a load is applied to the thin part for fracture.

It is a sectional side view which shows the closed state of the tube container which is an Example of this invention. It is a figure which shows the tube container main body which is an Example of this invention, (a) is a top view, (b) is a side half sectional view. It is a figure which shows the open state of the cap which is an Example of this invention, (a) is a top view, (b) is a sectional side view. It is a figure which shows the state which the tube container which is an Example of this invention fractures | ruptures, (a) is a figure which shows the state which loosened the cap a little, (b) is the state which bent the cap and fractured | ruptured the thin part FIG. It is a sectional side view which shows the closed state of the tube container which is another Example of this invention.

  Next, embodiments of the present invention will be described with reference to the drawings.

In FIG. 1, A is a synthetic resin tube container main body, and B is a synthetic resin cap attached to the tube container main body A.
In FIG. 2, the tube container main body A is joined to the cylindrical body 1 that can be elastically squeezed and the upper end of the body 1, and is gradually reduced in diameter from the outer diameter of the body 1 to form a cone shape. The shoulder portion 2 and a cylindrical mouth portion 4 erected integrally from the reduced diameter upper portion of the shoulder portion 2 and having a spout 3 formed therein.
An annular upright wall 5 is formed at a uniform height on the outer upper surface of the shoulder 2, and a stepped receiving portion 6 is formed adjacent to the inside of the upright wall 5.
A male screw 7 is screwed on the outer periphery of the mouth portion 4, and as shown in FIG. 2B, the connecting portion between the mouth lower end portion 4a and the shoulder upper end portion 2a is formed as a thin portion 8 having a uniform thickness. It is formed in an annular shape.
A plurality of anti-rotation ribs 9 are formed on the inner periphery of the mouth 4 and are used when a jig is inserted into the tube container main body A as will be described later.

In FIG. 3, the cap B includes a cap base C that is screwed into the mouth portion 4 of the tube container main body A by a mounting portion, and a lid D that is integrally formed with the cap base C via a hinge E. Yes.
The cap base C includes a top wall 10 that closes the mouth 4 of the tube container main body A, and an outer cylindrical wall 11 that is suspended from the periphery of the top wall 10 as a holding piece.

On the top surface of the top wall 10, a stepped portion 10 a is formed at the peripheral edge, and a nozzle 13 in which a pouring hole 12 communicating with the pouring port 3 of the tube container main body A is formed is erected.
In this embodiment, as shown in FIG. 3B, the nozzle 13 is erected at a position shifted from the central axis of the tube container main body A. However, the central axis of the nozzle 13 is It may be the same as the central axis.
An engagement protrusion 14 is formed on the outer periphery of the nozzle 13 in order to maintain a closed state with a lid D described later.

On the lower surface of the top wall 10, as a mounting portion, a threaded cylinder 16 is vertically provided with a female thread 15 threadedly engaged with the male thread 7 on the outer periphery of the mouth 4. The insertion tube 17 inserted into the inner periphery of the mouth portion 4 is suspended from the inside.
A hinge E is attached to the outer periphery of the upper portion of the outer cylinder wall 11, and a notch recess 18 is formed on the opposite side of the hinge E.

As shown in FIG. 1, the lid body D includes a top plate 20 and a side peripheral wall 21 that is suspended from the periphery of the top plate 20 and has the same end surface shape as the step portion 10 a of the top wall 10 of the cap base C. The lower outer periphery of the side peripheral wall 21 is connected to the outer cylindrical wall 11 of the cap base C by a hinge E.
On the inner surface of the top plate 20, a sealing ring 22 for sealing the inner periphery of the nozzle 13 of the cap base C, and a locking ring 23 for locking the engaging protrusion 14 on the outer periphery of the nozzle 13 are suspended. A locking ridge 24 is formed on the inner periphery of the locking ring 23.
On the opposite side of the side peripheral wall 21 from the hinge E, a recess 25 is formed which is continuous with the notch recess 18 on the outer periphery of the outer wall cylinder 11 of the cap base C, and the upper end thereof is a knob 26.

Next, usage modes and operational effects of this embodiment will be described.
As shown in FIG. 2 (b), the tube container body A of the present embodiment has a lower end of the cylindrical body 1 opened as a filling port (not shown), and an upper end of the body 1 and a shoulder. 2 and the mouth part 4 are produced by joining the integrally molded parts.
In this embodiment, in order to attach the cap B to the tube container main body A, as shown in FIG. 1, the lid body D is rotated counterclockwise around the hinge E to close the cap body C. The state in which the locking protrusion 24 on the inner periphery of the locking ring 23 on the inner surface of the lid D is locked to the engaging protrusion 14 on the outer periphery of the nozzle 13 is maintained.

Next, a threaded tube 16 as a mounting portion of the cap base C is screwed into the mouth portion 4 of the tube container main body A before filling the contents.
The screwing step needs to be performed with care so that the breaking thin portion 8 which is the connecting portion between the mouth portion 4 and the shoulder portion 2 of the tube container main body A does not break.
At that time, for example, a jig is inserted into the inner periphery of the mouth portion 4 from the body portion 1 side, and a plurality of anti-rotation ribs 9 and shoulder portions 2 provided on the inner periphery of the mouth portion 4 are fixed, and then the holder By rotating the tube container main body A with respect to the cap B fixed to the cap B, the inner thread of the inner periphery of the threaded tube 16 is screwed with the outer thread 7 of the outer periphery of the mouth 4 while the lower end of the outer tube wall 11 The part 11a is tightened until it comes into contact with the receiving part 6 formed inside the upright wall 5.

At the same time, the insertion cylinder 17 of the cap base C can be inserted in sliding contact with the inner periphery of the mouth portion 4, thereby sealing the spout 3 of the mouth portion 4 on the lower surface of the top wall 10.
After the cap B is screwed into the tube container main body A, the contents are filled from the filling port of the body part 1 of the tube container body A, and after the contents are filled, the filling port of the body part 1 is sealed, A tube container filled with the contents is completed.

  In this embodiment, the cap B is embodied as a hinge cap composed of a cap base C and a lid D as shown in FIG. 3, but the lid D is undercut without a hinge. The lid may be fitted.

In order to use the tube container of this embodiment, when the finger is applied to the notch recess 18 and the recess 25 of the cap B and the knob 26 of the lid D is lifted from the state shown in FIG. Rotate clockwise around.
When the lid D is lifted slightly from the cap base C, the locking ridge 24 on the inner periphery of the locking ring 23 on the inner surface of the lid D that is locked to the engagement ridge 14 on the outer periphery of the nozzle 13 of the cap base C is released. At the same time, the sealing ring 22 that has sealed the inner periphery of the nozzle 13 is also released, so that the pouring hole 12 of the nozzle 13 is also opened, and the body portion 1 is squeezed so that the contents accommodated in the tube container main body A An object can be poured out from the nozzle 13.

After the tube container is used, when the lid D is turned counterclockwise around the hinge E and closed, the outer periphery of the sealing ring 22 of the lid D is in close contact with the inner periphery of the nozzle 13 of the cap base C. The inside can be sealed from the nozzle 13.
In the tube container of the present embodiment, the movement of the lower end portion 11a of the outer cylindrical wall 11 as a holding piece of the cap base body C is restricted by the standing wall 5 of the tube container body A in the normal use state, and the mouth 4 Since no load is applied to the breaking thin-walled portion 8 that is the connecting portion between the shoulder portion 2 and the shoulder portion 2, there is no possibility of breaking. Furthermore, it is more effective if the lower end portion 11 a of the outer cylindrical wall 11 is brought into contact with the receiving portion 6 inside the standing wall 5.

If the remaining amount of the contents in the tube container main body A is gradually reduced by using the tube container, the shoulder part 2 is more rigid than the body part 1, so that the shoulder part 2 is not compressed even if the body part 1 is squeezed. Since it is difficult to deform, the content cannot be pushed out from the nozzle 13 even though the content remains near the mouth of the mouth 1 or near the shoulder 2.
Therefore, in the embodiment of the present application, the above problem is solved by performing the operation shown in FIG.

When the contents cannot be pushed out from the nozzle 13 even when the body 1 of the tube container body A is squeezed, the outer periphery of the cap base C, that is, the outer cylinder wall, with the lid D of the cap B closed. 11 Holding the outer periphery, the cap B is loosened by turning it slightly in the direction of the arrow (counterclockwise) in FIG.
At the same time, the threaded cylinder 16 of the cap base C rotates together, the cap B is lifted slightly upward, and the lower end portion 11a of the outer cylindrical wall 11 as a holding piece is a receiving portion inside the standing wall 5 of the tube container main body A. Leave 6
And if the outer cylinder wall 11 raises to the position shown to Fig.4 (a), the lower end part 11a of the outer cylinder wall 11 will be able to get over the upper end part of the standing wall 5. FIG.

Next, as shown in FIG. 4B, when the outer cylindrical wall 11 of the cap base C and the shoulder portion 2 or the trunk portion 1 of the tube container main body A are held and bent in the direction of the arrow, the tube container main body A is The lower end portion 4a of the mouth portion and the upper end portion 2a of the shoulder portion are broken at the breaking thin portion 8, and the mouth portion 4 is separated from the shoulder portion 2 with the cap B attached.
Thereby, the contents remaining inside the mouth part 4 and inside the shoulder part 2 can be easily taken out.

Next, a description will be given of a second embodiment in which the configuration of the cap base is changed.
In the present embodiment, the same components as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted, and differences will be mainly described.
In FIG. 5, A is a tube container main body, B is a cap mounted on the tube container main body A, and the cap B includes a cap base Cm screwed into the mouth portion 4 of the tube container main body A by the mounting portion, and a cap. The lid body D is integrally formed with the base body Cm via the hinge E.

The cap base body Cm has a top wall 10 that closes the mouth portion 4 of the tube container main body A. On the upper surface of the top wall 10, a pouring hole 12 that communicates with the spout 3 of the tube container main body A is formed. A nozzle 13 is erected.
From the periphery of the top wall 10, a threaded cylinder 16 m is vertically installed as a mounting part, in which a female screw 15 that is threadedly engaged with the male screw 7 on the outer periphery of the mouth 4 is screwed on the inner periphery.
A cylindrical holding piece 19 is formed in the lower part of the screwing cylinder 16, and a lower end portion 19 a of the holding piece 19 comes into contact with the receiving portion 6 formed inside the upright wall 5 of the tube container main body A. Yes.

Next, usage modes and operational effects of this embodiment will be described.
The cap base body Cm of the present embodiment corresponds to the cap base body C of the first embodiment in which the outer cylinder wall 11 and the screwed cylinder 16 are combined to have the same function.
That is, in the case of the present embodiment, the screwing cylinder 16m is suspended from the lower surface of the peripheral edge of the top wall 10, and the holding piece 19 is formed at the lower part of the screwing cylinder 16m. Since the movement of the lower end portion 19a of the holding piece 19 of the cap base body Cm is restricted by the standing wall 5 of the tube container main body A, no load is applied to the thin portion 8 for breaking, which is the connection portion between the mouth portion 4 and the shoulder portion 2. There is no risk of breaking. Furthermore, it is more effective if the lower end portion 19 a of the holding piece 19 is brought into contact with the receiving portion 6 inside the standing wall 5.

When the contents cannot be pushed out from the nozzle 13 even if the body portion 1 of the tube container main body A is squeezed, the cap B is slightly loosened and the holding piece 19 is lifted up like the first embodiment, When the tube container body A is bent by holding the threaded tube 16m of the cap base body Cm and the shoulder portion 2 of the tube container body A, the tube container body A is connected to the lower end portion 4a of the mouth portion and the upper portion 2a of the shoulder portion for breaking. The mouth 4 is separated from the shoulder 2 with the cap B attached.
Other functions and effects are the same as those of the first embodiment.

  The tube container of the present invention can be applied not only to a hinge cap but also to a cap fitted with an undercut or the like without a hinge. When the remaining amount of contents in the tube container body is reduced, the cap is slightly By loosening and bending, the thin portion for breaking under the mouth can be broken, and the contents remaining near the mouth and shoulder of the tube container body can be taken out and used, so that cream-like items are accommodated. It can be widely used as a tube container, and is particularly suitable as a tube container filled with contents that need to be used after being squeezed, such as toothpaste and cosmetics.

A Tube container main body B Cap C, Cm Cap base D Cover E Hinge 1 Body 2 Shoulder 2a Shoulder upper end 3 Outlet 4 Mouth 4a Mouth lower end 5 Standing wall 6 Receiving part 7 Male screw 8 Thin part 9 Rib 10 for rotation prevention Top wall 10a Step part 11 Outer cylinder wall 11a Lower end part 12 Outlet hole 13 Nozzle 14 Engagement protrusion 15 Female thread 16, 16m Screwing cylinder 17 Insertion cylinder 18 Notch recessed part 19 Holding piece 20 Top Plate 21 Side peripheral wall 22 Sealing ring 23 Locking ring 24 Locking protrusion 25 Recess 26 Picking part

Claims (6)

A tube container body in which a mouth portion is erected from the upper end of the elastically compressible body portion via a shoulder portion;
A cap base body in which a nozzle is erected on the upper surface of the top wall that closes the mouth portion, and a mounting portion that is screwed to the mouth portion is vertically suspended on the lower surface of the top wall;
With a lid that opens and closes the nozzle,
The tube container body has a standing wall formed on the outer upper surface of the shoulder portion, and a thin portion for breaking formed below the mouth portion,
The tube container, wherein the cap base has a holding piece whose lower end is held inside the upright wall when screwed into the mouth.   The tube container according to claim 1, wherein the cap base mounting portion includes a threaded tube having a female screw threaded on an inner periphery thereof, and a holding piece formed at a lower portion of the threaded tube.   The tube container according to claim 1, wherein the holding piece of the cap base is an outer cylinder wall suspended from the periphery of the top wall.   The tube container according to any one of claims 1 to 3, wherein the breaking thin portion of the tube container body is formed at a connection portion between the mouth and the shoulder.   The tube container according to any one of claims 1 to 4, wherein the tube container main body further includes a receiving portion with which a lower end portion of a holding piece formed inside the standing wall abuts.   The tube container according to any one of claims 1 to 5, wherein the cap base body and the lid body are hinge caps connected via a hinge.

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