JP2006240623A - Mouth cylindrical part of container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a container having a mouth cylinder that is composed of a sheet member, which is made of an aluminum foil laminated sheet or the like and is attached to the mouth cylinder, a spouting cylinder, and a separable head connected to the spouting cylinder via a bridge, and that allows the spout cylinder to be unsealed easily by separating the separable head to break the bridge and sever the sheet member. <P>SOLUTION: The container is equipped with the mouth cylinder composed of the spout cylinder, and the separable head connected to the spout cylinder via the bridge. The sheet member is attached to the inner peripheral surfaces of the separable head and the bridge, and is formed by insert-molding to be integral to the spout cylinder, bridge, and separable head. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a mouth tube portion of a container that can be opened by a simple operation.

A tube container in which a mouth tube portion and a closing member of the mouth tube portion are integrated has been conventionally known (see, for example, Patent Document 1 and Patent Document 2).
In the tube container described in Patent Document 1, the sealing material is molded into the shape of the head piece of the container, the molded product is inserted into a mold for molding the head piece, and the polypropylene resin is injection molded. The headpiece which closely_contact | adheres is shape | molded and it is set as the tube container, The cap which provided the opening protrusion on the top wall part is covered with the opening part of the container.

When using the tube container, the cap is opened, the sealing material at the mouth is opened with the opening protrusion, and the spout is formed.The cap removed from the container is inverted, and the protrusion is pierced. Therefore, there is a problem that the formation of the spout is not easy.
In addition, there is a structural problem that the inner peripheral wall of the cap has to be raised so as not to be injured by touching the opening projection during use.

In the tube container described in Patent Document 2, a head piece (neck portion) and an inverted cap are integrally formed through a thin-walled bridge portion to form a tube container.
In use, the thin bridging portion is broken to separate the lid from the tube container to form a spout.
However, since the thin cross-linked portion is formed around the entire circumference using the same resin as the head piece, depending on the type and structure of the resin, the thin cross-linked portion may not be easily broken.
JP 2002-2739 A Japanese Utility Model Publication No. 7-26353

  An object of the present invention is to solve the above-described problems. An aluminum foil laminated sheet or the like is attached to a mouth tube portion as a sheet member, and a pouring tube portion and an easily breakable bridge through the pouring tube portion are provided. It is a mouth tube portion of a container in which a mouth tube portion is formed by a removal head continuously provided, and the removal head is separated to cut the sheet member together with the break of the bridge so that the dispensing tube can be easily opened. The purpose is to provide a container.

  In order to solve the above-mentioned problems, the present invention provides a container having a mouth tube portion including a pouring tube portion and a removal head connected to the pouring tube portion by a bridge as a mouth tube portion of the container. A sheet member is mounted on the inner peripheral surface of the removal head and the inner peripheral surface of the bridge, and the sheet member is integrated with the extraction tube portion, the bridge, and the removal head by insert molding. Adopt the configuration to do.

  As another example of the mouth tube portion of the container, a container having a mouth tube portion composed of an extraction tube portion and a removal head portion connected to the extraction tube portion via a bridge, the removal head portion The sheet member is mounted on the outer peripheral surface of the part and the outer peripheral surface of the bridge, and the sheet member is integrated with the extraction tube part, the bridge, and the removal head by insert molding.

  As an example of the sheet member, a configuration is adopted in which the sheet member is formed of an aluminum laminated resin film or a synthetic resin film.

  The mouth tube portion of the container according to the present invention is provided by inserting a sheet member that can be cut into the mouth tube portion by insert molding. Since it is formed by the removal head connected continuously by, by opening a cap and applying a certain force to the removal head, the bridge is broken and the sheet member is cut to separate the removal head Can be opened easily.

  Next, the tube container provided with the mouth tube part of the container according to the present invention will be described with reference to the drawings.

1 and 2, A is a tube container, and B is a cap.
The tube container A is composed of a head piece 3 including a mouth tube portion 1 and a shoulder portion 2, and a body portion 4 continuously provided at the lower end periphery of the shoulder portion 2.
The mouth tube portion 1 is composed of a pour tube portion 5 that forms a spout and a removal head 7 that is connected to the pour tube portion 5 by a plurality of bridges 6, and the mouth tube portion 1 and the shoulder portion. A cap-shaped sheet member 8 is fused to the inner peripheral surface 2 by insert molding.

A screw 9 is screwed on the outer periphery of the extraction cylinder portion 5, and a locking protrusion 10 is provided below the screw 9.
A step portion 11 is provided at a predetermined position on the inner periphery, and the bridge 6 is erected along the inner periphery.
The removal head 7 includes a side peripheral wall 12 having a lower end connected to the bridge 6 and an upper wall 13, and a knurling 14 is engraved in the upper half portion of the side peripheral wall 12.

  The sheet member 8 is formed in a hat shape by an aluminum laminated film, PET, polyethylene or other thin sheet 15 that can be cut, and is inserted into a mold at the time of injection molding of the head piece 3, and the removal head 7, bridge 6, and pour out. The tube portion 5 and the shoulder portion 2 are fused to the inner peripheral surface.

  The body 4 is formed into a cylindrical shape by a known method such as extrusion, and is joined to the head piece 3 by a known method to form a tube container.

The cap B includes a top wall 20 and a side peripheral wall 21, and the side peripheral wall 21 is provided with a step portion 22 joined to the upper end of the extraction tube portion 5. A bulging ridge 23 that engages with the outer periphery of the upper end of the cylindrical portion 5 is provided, and a screw 24 that is screwed into the screw 9 of the extraction cylindrical portion 5 is provided below the bulging ridge 23.
A locking ring 26 provided with a bulging ridge that engages with the locking ridge 10 of the dispensing tube portion 5 is connected to the lower end of the side peripheral wall 21 via a plurality of connecting pieces 25. A pilfer proof mechanism is formed.

When the tube container is used, the cap B is opened, the removal head 7 of the mouth tube portion 1 is picked by hand, and when it is turned or bent, the bridge 6 is broken and the removal head 7 and the extraction tube The sheet member 8 between the parts 5 is cut.
As a result, the removal head 7 is separated from the dispensing cylinder 5 and the dispensing hole is opened.
At that time, since the bridge 6 is easily broken, the removal head 7 is separated very easily.
Further, the knurling 14 is engraved on the side peripheral wall 12 of the removal head 7, so that the turning operation is reliably performed.

  After the content liquid is poured out, the cap B is fitted on the pouring cylinder part 5 and the tube container is kept, but when the lid is closed, the step 22 of the cap B is joined to the upper end of the pouring cylinder part 5. In addition, since the outer peripheral surface of the upper end is fastened by the bulging ridge 23 of the cap B, the dispensing cylinder portion 5 is sealed, and dust and germs in the atmosphere are prevented from entering from the outside.

  In the above embodiment, the bridge 6 is erected along the inner peripheral edge of the step portion 11 of the extraction tube portion 5 and the removal head 7 is continuously provided on the upper portion thereof. What is necessary is just to construct between the removal heads 7, and it may extend horizontally from the upper end of the extraction | pouring cylinder part 5, and may be made to connect with the removal head 7. FIG.

Next, a modified embodiment of the sheet member will be described.
In the above embodiment, the sheet member is mounted on the entire inner peripheral surface of the head piece. However, the removal head may be mounted only on the bridge and the upper end portion of the dispensing cylinder.

In FIG. 3, 1a is a mouth tube part which consists of the extraction | pouring cylinder part 5a and the removal head part 7a connected with this extraction | pouring cylinder part 5a via the some bridge | bridging 6a.
An inwardly projecting ridge 30 is provided at a predetermined position of the extraction tube portion 5a, and the bridge 6a is erected along the inner peripheral edge of the upper surface of the ridge 30, and the upper end of the ridge 30 is on the removal head 7a. Connected.

The sheet member 8a is formed in a cap shape, and is fused to the inner peripheral surface of the removal head 7a, the inner surface of the bridge 6a, and the inner peripheral surface and the lower surface 30a of the protrusion 30 by insert molding.
The structure of the other part of the mouth tube portion 1a and the configuration of the cap B, the shoulder portion of the container, and the body portion are the same as those of the first embodiment, and this embodiment has the same functions and effects as those of the first embodiment. Can be obtained.

Next, an embodiment in which the sheet member is mounted on the outer peripheral surface of the removal head will be described.
In FIG. 4, 1b is a mouth cylinder part, and consists of the extraction | pouring cylinder part 5b and the removal head part 7b connected with this extraction | injection cylinder part 5b via the some bridge | bridging 6b.
An inward projecting ridge 35 is provided at a predetermined position of the extraction tube portion 5 b, and a bridge 6 b is projectingly provided on an inner peripheral surface 35 a of the ridge 35.
The upper end of the bridge 6b is connected to the lower surface 36 of the removal head 7b, and the outer peripheral surface of the bridge 6b and the outer peripheral surface of the side peripheral wall lower portion 37 of the removal head 7b are flush.

  The sheet member 8b is formed into a cylindrical shape with a flange 38 at the lower end, and is fused by insert molding to the outer peripheral surface of the side peripheral wall lower portion 37 of the removal head 7b, the outer peripheral surface of the bridge 6b, and the upper surface 35b of the protrusion 35. ing.

  The structure of the other part of the mouth tube portion 1b, and the configuration of the cap B, the shoulder portion of the container, and the body portion are the same as those in the above embodiments, and this embodiment has the same functions and effects as those in the embodiments. Obtainable.

  In each of the above-described embodiments, the tube container has been described. However, the configuration of the mouth tube portion of the present invention can be applied to various containers such as a blow bottle and a pouch.

  The present invention attaches an aluminum laminated sheet or the like as a sheet member to a mouth tube portion, and the mouth tube portion is formed by a pour tube portion and a removal head continuously connected to the pour tube portion via a breakable bridge. Formed and cut off the removal head part of the mouth tube part and cut the sheet member together with the break of the bridge so that the dispensing tube can be easily opened, so it can be applied to various containers such as tube containers and pouches. .

It is a partial cross section elevation of the tube container of 1st Example of this invention. It is the perspective view which expanded the bridge part of the tube container. It is a partial cross section elevation of 2nd Example of a tube container. It is a partial cross section elevation of 3rd Example of a tube container.

Explanation of symbols

A Tube container B Cap 1, 1a, 1b Mouth tube portion 2 Shoulder portion 3 Head piece 4 Body portion 5, 5a, 5b Extraction tube portion 6, 6a, 6b Bridge 7, 7a, 7b Removal head portion 8, 8a, 8b Sheet member 9, 24 Screw 10 Locking ridge 11, 22 Stepped portion 12 Side peripheral wall 13 Upper wall 14 Knurl 15 Thin sheet 20 Top wall 21 Side peripheral wall 23 Swelling protrusion 25 Connecting piece 26 Locking ring 30, 35 Projection 36 Lower surface 37 Lower side wall 38 Flange

Claims (3)

A container having a mouth tube portion composed of an extraction tube portion and a removal head connected to the extraction tube portion by a bridge,
Sheet members are attached to the inner peripheral surface of the removal head and the inner peripheral surface of the bridge,
The mouth tube portion of the container, wherein the sheet member is integrated with the extraction tube portion, the bridge, and the removal head portion by insert molding. A container having a mouth tube portion composed of an extraction tube portion and a removal head portion connected to the extraction tube portion via a bridge;
Sheet members are attached to the outer peripheral surface of the removal head and the outer peripheral surface of the bridge,
The mouth tube portion of the container, wherein the sheet member is integrated with the extraction tube portion, the bridge, and the removal head portion by insert molding.   3. The mouth tube portion of the container according to claim 1, wherein the sheet member is formed of an aluminum laminated resin film or a synthetic resin film.

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