JP2001114274A - Thin-walled container with dispenser mountable thereon - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a thin-walled container having a dispenser easily assembled therewith, and self-standing without using any auxiliary stand. SOLUTION: The thin-walled container is formed by heat-bonding a container body 1 having a thin-walled body portion 2 provided with a flange 3 on a lower end thereof and formed of a synthetic resin sheet and a neck part member 10 having a lid body 21 integrated therewith via a hinge 12 having a thin-walled portion 12a on an opening end of a neck part 11, a male screw 14 with the dispenser 30 screwed thereto is provided on both sides of an outer circumferential surface across the center of the neck part 11, a notched surface 15 is provided on an outer circumferential surface orthogonal to the position of the male screw 14, the hinge 12 is provided at the position of the notched surface 15 so as to be broken from the thin-walled portion 12a, the thin-walled portion 12a is provided inward of the circular locus Y of the diameter of a thread bottom 14a of the male screw 14, the hinge 12 is broken from the thin-walled portion 12a to remove the lid body 21, and the thin-walled container can be used with the dispenser 30 screwed thereto.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a thin-walled container for storing a liquid, and more particularly, to a thin-walled container suitable for use by assembling a dispenser such as a pump.

[0002]

2. Description of the Related Art Containers that use dispensers such as pumps, such as shampoos, rinses and liquid dentifrices, which are liquid products, use up the contents from the viewpoint of resource saving and economy. An old container in which a consumer purchases a new container with new contents without a dispenser, removes the previous dispenser, replaces it with a new one, reuses it, and uses up the contents. Can be discarded.

[0003] In recent years, in order to reduce the amount of waste of used containers from the viewpoint of resource saving and economy, it has been practiced to reduce the amount of material of the used containers as much as possible. The containers equipped with are replaced with thick containers, and thin-walled blow bottles, tube containers made of synthetic resin, bag containers, and the like are also being used. Products using these thin-walled containers, apart from those equipped with a dispenser in advance,
A single container with a screw cap to which a screw cap for attaching the dispenser can be fitted is prepared. The screw cap is removed, and the dispenser is replaced and mounted.

Conventional thin-walled containers to which these dispensers can be attached have insufficient rigidity to withstand the stress of the dispenser pump operation as a single container. Particularly, in tube containers and bag containers, Insufficient rigidity and poor independence due to the bottom shape. Therefore, for example, utility model registration No. 257999
The tube container and the Japanese Utility Model Laid-Open No. 5-3 proposed in Japanese Patent Publication No.
As in the bag container device proposed in Japanese Patent No. 4184,
In addition to the thin container and dispenser, a rigid outer case is prepared, and the thin container filled with the contents is assembled and stored in the outer case to be erected and reinforced by the outer case. The pump can be operated.

[0005]

A conventional thin-walled container to which a dispenser can be attached is of a screw cap type for replacing the dispenser. Rotate and remove the screw cap of the new container. Therefore, when removing the screw lid, it is necessary to rotate the screw lid by strongly grasping the body of the thin-walled container with no rigidity. There was a concern that things would be pushed out and overflowed, and the opening operation when replacing the dispenser required caution and was difficult for consumers to handle.

In addition, when a dispenser such as a pump is used, a thin-walled container is inconvenient due to insufficient rigidity, and is expensive because a rigid auxiliary case or other auxiliary member for a stand is used. .

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and is a dispenser which can be opened safely and easily when replacing a dispenser, and which can stand alone without using an auxiliary member for a stand. It is an object to make a thin-walled container that can be assembled.

[0008]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a container body having a thin body provided with a flange at a lower end and formed of a synthetic resin sheet material, and a lid formed of a neck. A neck member integrally formed via a hinge having a thin portion at an open end of the container, and a thin-walled container formed by heat-welding the neck member to an upper end of the container body, the outer periphery sandwiching the center of the neck portion On both sides of the surface, a dispenser is provided with a male screw that can be screwed, and a notch surface is provided on the outer peripheral surface orthogonal to the position of the male screw, and a hinge is provided at the position of the notch surface so that the thin portion can be broken and the thin portion is provided. Is provided on the inner side of the circular orbit of the diameter of the thread root of the external thread, and with this configuration, it is possible to open the lid by rotating the lid vertically without strongly grasping the container body. Break the hinge from the thin part and remove the lid from the neck And so can be screwed dispenser without a hinge piece left after breakage neck side gets in the way.

Further, the body, the neck and the lid may be integrally formed.

By making the outer diameter of the lower part of the body part larger than the outer diameter of the upper part of the body part, it is made thinner to improve the sitting stability and suitable as a pump container.

Further, a film is heat-welded to the flange of the body to form a bottom plate, thereby providing a lightweight, thin, thin container having a wide flat bottom.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below in detail with reference to the accompanying drawings.

FIGS. 1 to 5 show a first embodiment of a thin container to which a dispenser according to the present invention can be attached, and a container body having a thin body 2 provided with a flange 3 at a lower end. 1
And a neck member 10 integrally formed with a lid 21 via a hinge 12 having a thin-walled portion 12 a at an opening end of the neck portion 11, and is formed by heat-welding the neck member 10 to an upper end of the container body 1. ing.

The container body 1 is made of a PP sheet or a PP.
EVOH. PP laminated sheet, PP. EVOH. An inverted cup-shaped body member having a flange 3 at an opening end is formed by a vacuum molding method, a pressure molding method, or a vacuum pressure molding method using a synthetic resin sheet material such as a laminated sheet of PE. After a punching hole 4a is formed in the base member 5 and a neck member 10 is attached, a bottom plate 5 made of a film of the same material as the member of the body 2 is heat-welded to the lower surface of the flange 3.

The degree of stretching of the sheet at the time of molding the body 2 of the container body 1 is larger than that of the other parts, and is 0.2 to 0.4.
It is preferable to form it with a thickness of millimeters. Although the thickness is thinner than the thin container by the conventional blow molding method,
The circumference of the meat is more uniform, the material is hard, and the outer diameter of the lower part of the body part 2 is made larger than the outer diameter of the upper part to make it thinner and to maintain its self-sustainability. Is reinforced to provide a thin container having a flat, wide bottom and high sitting stability.

When the contents are to be filled through the opening of the neck portion 11, a bottom plate 5 is formed.
When filling from the lower opening, heat welding is formed after filling. By the latter method, the filling speed of the stored items can be increased.

The neck member 10 is formed with a flange 13 for welding to the container body 1 at the base end of a cylindrical neck 11, and a pump device is provided on both sides of the outer peripheral surface sandwiching the center of the neck 11. A male screw 14 with which the mounting lid 31 of the dispenser 30 is screwed;
14 is provided, and a cutout surface 15 without the male screw 14 is provided on the outer peripheral surface orthogonal to the position of the male screws 14, 14. A hinge 12 having a thin portion 12a is provided on the outer edge of the opening end of the neck portion 11 at the position of the notch surface 15,
The lid 21 is integrally formed so as to be vertically rotatable via the hinge 12.

A notch 15 provided with a hinge 12
On the outer peripheral surface on the opposite side, a finger-holding recess 16 is provided for putting a finger when the lid 21 is opened.

The hinge 12 can be broken from the thin portion 12a, and the position of the thin portion 12a in the hinge 12 is determined by the position of the male screw 14 provided on the outer peripheral surface of the neck 11 as shown in FIG. The thread valley 14a is formed so as to be inside the circular orbit Y of the diameter of the thread valley 14a.

The lid 21 has the same diameter as the outer diameter of the neck 11, and fits inside the opening of the neck 11 in a liquid-tight manner inside the outer peripheral wall 23 erected from the periphery of the top plate 22. A cylindrical plug 24 to be inserted is vertically provided. The outer peripheral surface at the position where the hinge 12 is provided is a vertical surface 25 which is flush with the cutout surface 15 of the neck portion 11, and a finger hook 26 is provided on the opposite outer peripheral surface where the hinge 12 is provided. It is protruding.

In the present embodiment, the upper surface of the top wall 4 which is continuous with the body 2 of the container body 1 and the flange 13 of the neck member 10
The thin container is completed by heat-welding the lower surface of the container.

As shown in FIG. 6, the neck member 10 is inserted from the lower opening of the container body 1, and the neck 11 is inserted into the punched hole 4a of the top wall 4 to thereby form the flange 13 of the neck member 10. And the lower surface of the top wall 4 may be thermally welded.

In order to fill the container assembled as described above with the storage object, the lid 21 may be opened and the opening of the neck 11 may be performed as described above. May be closed and filled from the lower opening of the container body 1, and then the bottom plate 5 may be thermally welded and sealed.

The dispenser 30 is placed in a thin container filled with stored items.
When mounting the container, a finger is put on the finger hook 26 from the finger hook recess 16 in the manner of opening a known hinge lid, and the body 21 of the container body 1 is strongly gripped by vertically rotating the lid 21. Can be easily opened without pushing out the stored liquid. Next, the opened lid 21 is twisted and broken from the thin portion 12 a of the hinge 12, and the portion of the lid 21 from the neck 11 is removed.

The broken portion of the hinge 12, that is, the thin portion 12a
Is a circular orbit Y of the diameter of the thread root 14a of the male screw 14 of the neck 11
Formed on the inner side, the remaining portion of the hinge 12 remaining on the outer edge of the open end of the neck 11 after removing the lid 21 hinders the rotation of the dispenser 30 when screwed. However, the dispenser 30 can be mounted smoothly by screw fitting.

The thin-walled container of the present invention having the dispenser 30 attached thereto is self-supporting, has a wide bottom, is flat, has good sitting stability, and is capable of withstanding a vertical pump operation of the dispenser 30. Has sufficient strength. Therefore, it can be used in the same manner as a thick pump container without using a stand auxiliary member or the like unlike a conventional thin container.

FIG. 7 shows another embodiment of the present invention. Since the basic shape and function are the same as those of the above-described first embodiment, FIG. The same reference numerals are given to the parts common to and the description thereof will be omitted.

As shown in the figure, in the present embodiment, the lid 21, the neck 11, and the thin body 2 are integrally formed by an injection molding method. A male screw 14 to which the dispenser 30 can be screwed is provided on both sides of the outer peripheral surface sandwiching the center of the neck 11, and a notch surface 15 is provided on an outer peripheral surface orthogonal to the position of the male screw 14, and the hinge 12 is positioned at the notch surface 15. And the thin portion 12a can be broken from the thin portion 12a.
It is provided inside.

Although the thickness of the body 2 becomes thicker than that of the first embodiment by molding by the injection molding method, the processing is carried out by integrally molding the lid 21, the neck 11 and the body 2. The number can be reduced.

[0030]

The thin-walled container to which the dispenser of the present invention implemented in the form described above can be mounted has the following effects.

According to the thin container of the first aspect, since the container main body is formed from the synthetic resin sheet material, the strength around the wall is uniform and can withstand the pump operation without using the auxiliary member for the stand. Thin and light weight can reduce the amount of waste. Further, a multilayer container having a high permeability preventing effect can be easily obtained at low cost.

Further, the lid is integrally connected so as to be vertically rotatable with a hinge so that the hinge can be broken from the thin portion, and the thin portion is provided inside the circular orbit of the diameter of the thread root of the male screw. Therefore, when attaching the dispenser, the lid can be opened vertically without firmly grasping the container body by rotating the lid vertically,
Therefore, there is no need to worry about pushing out the contents unlike a conventional thin-walled container. Also, even after the hinge is broken from the thin part and the lid is removed from the neck, the hinge piece left on the neck side does not hinder the screwing of the dispenser, and the dispenser can be attached smoothly It is a thin container with a lid.

According to the thin-walled container according to the second aspect, since the lid, the neck and the body are integrally formed, the number of processes is small, and a thin-walled container with a lid on which the dispenser can be smoothly attached is provided at low cost. can do.

According to the thin-walled container according to the third aspect, in addition to the above-described effects, the outer diameter of the lower part of the body is made larger than the outer diameter of the upper part of the body, so that the sitting stability is further improved. And a strength corresponding to the stress of the pump operation, so that a thin container suitable for a pump can be obtained.

According to the thin container of the fourth aspect, in addition to the above effects, the strength of the bottom portion is reinforced by the flange by forming the bottom plate by thermally welding the film to the flange of the body portion. At the same time, a light and wide flat bottom is formed, so that an economical thin-walled container which is hard to fall down and has a small amount of waste can be obtained.

[Brief description of the drawings]

FIG. 1 is a partially cutaway front view showing a first embodiment of a thin container to which a dispenser of the present invention can be attached.

2A is a plan view showing a neck member in an open state in the thin-walled container of FIG. 1, and FIG. 2B is an explanatory view showing an enlarged main part of FIG.

FIG. 3 is a partially cutaway front view showing the neck member of the thin container of FIG. 1 in an open state;

FIGS. 4A and 4B are cross-sectional side views showing the neck member of the thin-walled container of FIG. 1 in an open state, and FIG. 4B is an explanatory view showing an enlarged main part of FIG.

FIG. 5 is a front view showing a state where a dispenser is attached to the thin container of FIG. 1;

FIG. 6 is a partially cutaway front view showing another embodiment of the thin container to which the dispenser of the present invention can be attached.

FIG. 7 is a partially cutaway front view showing another embodiment of the thin container to which the dispenser of the present invention can be attached.

[Explanation of symbols]

1 container body, 2 body, 3 flange, 5 bottom plate, 1
0 neck member, 11 neck, 12 hinge, 12a thin part, 14 male screw, 14a screw root, 15 notch, 21
Lid, 30 dispenser, Y-circle orbit,

Continuation of the front page (72) Inventor Tomio Tahara 5-23-6 Asakusabashi, Taito-ku, Tokyo F-term (reference) in Kamaya Chemical Industry Co., Ltd. 3E061 AA24 AB09 BB01 BB12 3E084 AA04 AA12 AA24 AB01 BA01 CA01 DA01 DB01 DC03 LA01 LD21

Claims (4)

[Claims] 1. A container body having a thin body portion provided with a flange at a lower end and formed of a synthetic resin sheet material, and a lid body are integrally formed via a hinge having a thin portion at an opening end of a neck portion. A thin container formed by heat-welding the neck member to the upper end of the container body, wherein male screws capable of being screwed with a dispenser are provided on both sides of the outer peripheral surface sandwiching the center of the neck. A notch surface is provided on the outer peripheral surface orthogonal to the position of the male screw and the hinge is provided at the position of the notch surface so that the thin portion can be broken and the thin portion has a diameter of a thread root of the male screw. A thin-walled container to which a dispenser can be attached, which is provided inside a circular orbit. 2. A thin body having a flange at a lower end thereof.
A thin-walled container formed integrally with a neck having a lid integrally formed at an open end via a hinge having a thin-walled portion,
A dispenser is provided on both sides of the outer peripheral surface sandwiching the center of the neck with a dispensable male screw, and a cutout surface is provided on the outer peripheral surface orthogonal to the position of the male screw, and the hinge is provided at the position of the cutout surface. A thin container to which a dispenser can be attached, wherein the thin portion is rupturable from the thin portion and the thin portion is provided inside a circular orbit of a diameter of a thread root of the male screw. 3. An outer diameter of a lower portion of the body portion is made larger than an outer diameter of an upper portion of the body portion.
A thin-walled container to which the described dispenser can be attached. 4. A thin-walled container to which a dispenser according to claim 1, wherein a bottom plate is formed by heat-sealing a film on a lower surface of a flange of a body portion.