JP2009083893A - Spout for paper container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a spout for a paper container which, in collecting paper resource of a paper container with a spout, promotes collection and reduces mixture of synthetic resin, a different material, by allowing easy removal of the spout by the fingers. <P>SOLUTION: This spout for a paper container is provided with a flange part 5 which has a liquid-tight mounting part 4 on the outer periphery of the opening 3 of a paper container 2 and a pouring tube 6 erected on the inner peripheral end part 20 of the flange part 5. A breakable annular weakened part 7 is formed along the mounting part 4 of the flange part 5. A breakable spiral weakened part 8 is formed on the pouring tube 6 from the top end to the bottom end of the tube 6. The flange part 5 is provided with a connecting weakened part 9 connecting the part 7 and the part 8. A part of the flange part 5 and the tube 6 are removed from the container 2 by breaking the part 8, the part 9 and then the part 7 by a finger. In this way, it is possible to remove the spout by the fingers easily to promote collection and to prevent mixture of synthetic resin, a different material. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

The present invention relates to a paper container pouring tool having a flange portion that is liquid-tightly welded or bonded to an opening of a paper container and a pouring tube that stands up from the flange portion, and more specifically, a pouring tool portion from a used paper container. It is related with the extraction tool for paper containers which can contribute to the separate collection at the time of disposal by comprising in the shape which is easy to remove.

Conventionally, paper containers are often used as containers for various dairy products, juices, and alcoholic beverages.
An upper portion of the paper container is provided with a synthetic resin as a content pouring tool in terms of workability and cost. For this reason, with regard to the disposal after using the paper container, it is discarded as it is and incinerated, or the paper container and the synthetic resin pouring tool are separated using scissors, etc., and the paper container is recovered as a paper resource. It is disposed of by either method of reuse. Paper containers
Although it is desirable to be recycled and reused, the synthetic resin pouring tool attached to the paper container is firmly attached by welding or adhesion, so it is not easy to separate and is recovered as a paper resource. At present, it is often thrown away as it is.
Based on such a situation, the following has been proposed as a paper container pouring tool capable of easily separating a paper container and a synthetic resin pouring tool with only fingers.
Japanese Patent No. 3855179

As shown in FIG. 13, the paper container pouring tool according to Patent Document 1 has an opening 5 of a paper container 50.
1 includes a flange portion 53 provided on the outer periphery of a mounting portion 52 which is welded or bonded in a liquid-tight manner to the outer periphery, and a pouring cylinder 54 erected from the inner peripheral end of the flange portion 53. Tube 5
4 is provided with a linear weakening portion 55 that can be broken from the upper end to the lower end of the pour tube 54 and the pour tube 5
4 is provided with a breakable lateral groove 56 at the lower end portion thereof. Thereby, the linear weakening part 55 of the extraction | pipe cylinder 54 is fractured | ruptured by a finger | toe, and it can be easily removed from the paper container 50 now by breaking the lateral groove 56. FIG.

However, in the paper container pouring tool of Patent Document 1, the synthetic resin pouring tube 54 can be removed from the paper container 50, but all the synthetic resin flanges 53 remain on the paper container 50 side. The removal of only the resin pouring cylinder 54 is not sufficient for separating different materials such as paper and synthetic resin. Therefore, if it remains as it is, it may be difficult to recover and reuse it as a paper resource in a paper container.

Accordingly, an object of the present invention is to facilitate the removal and collection of the pouring tool from the paper container without the trouble of using a tool such as scissors when collecting the paper resource in the paper container with the pouring tool. The object is to provide an extraction tool for paper containers that can contribute.

The present invention has been proposed in order to achieve the above object, and is characterized by having the following configuration.
That is, according to the present invention, there is provided a flange portion in which an attachment portion that is liquid-tightly welded or bonded to the opening portion of the paper container is provided on the outer periphery, and the pouring cylinder that stands up from the inner peripheral end of the flange portion. A paper container pouring tool having an annular weakening portion that can be broken along an attachment portion of the flange portion, and a spiral weakening portion that can be broken in the pouring tube from the upper end to the lower end of the pouring tube And provided with a connection weakening portion for connecting the annular weakening portion and the helical weakening portion to the flange portion, breaking the helical weakening portion, and subsequently breaking the connection weakening portion, In addition, a paper container pouring tool is provided in which the annular weakening portion is broken so that a part of the pouring tube and the flange portion can be removed from the paper container.

Further, according to the present invention, there is provided a flange portion in which an attachment portion that is liquid-tightly welded or bonded to the opening portion of the paper container is provided on the outer periphery, and the pouring cylinder that stands up from the inner peripheral end of the flange portion. A paper container pouring tool having an annular weakening portion that can be broken along an attachment portion of the flange portion, and a helical weakening portion that can be broken in the pouring tube from the upper end side of the pouring tube A connection weakening portion that connects the annular weakening portion and the helical weakening portion is provided to the flange portion, and a circumferential weakening portion that extends in the circumferential direction from the upper end of the helical weakening portion is provided to the flange portion. Provided, rupture the circumferential weakening part to make a part of the extraction tube a ring, put a finger on the ring to break the helical weakening part, and then break the connection weakening part, Further, by breaking the annular weakened portion, the pouring And pouring device for a paper container, wherein a portion of the flange portion was removable from the paper container is provided.

According to the invention, the circumferential weakening extends from one end connected to the spiral weakening to the other end in the vicinity of the helical weakening, and the other end and the spiral A paper container pouring tool is provided in which a weakened portion forms a connecting portion, and a grip piece is provided at the upper end of the pouring cylinder at a position opposite to the connecting portion in the circumferential direction.

Further, according to the present invention, there is provided a flange portion in which an attachment portion that is liquid-tightly welded or bonded to the opening portion of the paper container is provided on the outer periphery, and the pouring cylinder that stands up from the inner peripheral end of the flange portion. A paper container pouring tool having a breakable flange weakening portion extending from an outer peripheral end to a lower end of the pouring tube in the flange portion, and being connectable to the flange weakening portion in the pouring tube A paper container characterized by comprising a spiral weakening part, and rupturing the helical weakening part and subsequently breaking the flange weakening part to allow the dispensing tool to be removed from the paper container. A dispenser is provided.

The paper container pouring tool of the present invention breaks the weakened portion formed in the spiral shape of the dispensing cylinder with fingers, then breaks the connection weakened portion of the flange portion, and further breaks the annular weakened portion of the flange portion In addition, the flange portion excluding the dispensing cylinder and the attachment portion can be removed from the paper container. Therefore, when collecting a paper container with a dispensing tool as a paper resource, the troublesomeness of using a tool such as scissors is eliminated, the collection itself is promoted, and the attachment part of the flange part that is welded or bonded to the paper container is provided. Since the pouring tool can be removed, it is easy to separate and collect and to recycle the paper container body.

Further, the paper container pouring tool of the present invention is such that the formation of the weakened portion is defined in claim 2, whereby the circumferentially weakened portion of the pouring tube is broken by a finger, and one of the pouring tubes is formed. Set the ring as a ring, put your fingers on this ring, break the spiral weakened part, then break the connection weakened part, further break the annular weakened part, and the flange part excluding the dispensing cylinder and the mounting part Remove from. Therefore, in addition to the above effect, there is an effect that the flange portion excluding the dispensing tube and the attachment portion can be more easily removed from the paper container with fingers.

Also, the paper container pouring tool of the present invention grips the grip piece with fingers and breaks the circumferentially weakened portion of the pouring cylinder, and a part of the pouring cylinder is used as a ring. Then, the spiral weakened portion, the connection weakened portion and the annular weakened portion are broken, and the flange portion excluding the dispensing tube and the attaching portion is removed from the paper container. Therefore, in addition to the above-described effects, there is an effect that the flange portion excluding the dispensing cylinder and the attachment portion can be more easily removed from the paper container with fingers.

Moreover, the paper container pouring tool of the present invention breaks the helical weakened portion of the pouring cylinder, then breaks the flange weakened portion to break the entire flange portion, and removes the pouring tool from the paper container. Therefore, when collecting a paper container with a pouring tool as a paper resource, it eliminates the troublesomeness of using tools such as scissors in particular, facilitates the collection itself, and removes all of the pouring tool that is welded or adhered to the paper container. Therefore, there is an effect that mixing of different materials other than paper can be completely suppressed and reused.

  The best mode for carrying out the present invention will be described below with reference to the drawings.

FIG. 1 is a cross-sectional view showing a state in which a cap is attached to a paper container extraction tool according to an embodiment of the present invention.
2 is a plan view of a cap to be attached to the paper container pouring tool, FIG. 3 is a side view of the paper container pouring tool with the cap removed, and FIG. 4 is a plan view of the paper container pouring tool with the cap removed. FIG. 5 is a perspective view of a paper container with a paper container pouring tool (with a cap) attached thereto.
In the drawing, the paper container dispensing tool 1 has a flange portion 5 provided on the outer periphery with a mounting portion 4 welded or bonded in a liquid-tight manner to the opening 3 of the paper container 2. The outer peripheral end, i.e., an extraction tube 6 erected from an inner peripheral end 20 to be described later is provided, and an annular weakening portion 7 that can be broken along the attachment portion 4 of the flange portion 5 is provided. The tube 6 is provided with a breakable spiral weakening portion 8 from the upper end to the lower end of the dispensing tube 6, and the flange portion 5 is provided with a connection weakening portion 9 for connecting the annular weakening portion 7 and the helical weakening portion 8. .

The paper container 2 can be filled with liquid contents such as various dairy products, juices, and alcoholic beverages, and the attachment part 4 of the paper container pouring tool 1 is welded or adhered to the opening 3 in a liquid-tight manner. If it can be done, there is no particular limitation on the shape and the like. The material of the container 2 is paper, and in order to fill the liquid content, at least the inner surface is treated to be able to withstand this, such as a resin coating.

Then, a thread 10 is engraved on the outer peripheral surface of the pouring cylinder 6 erected from the inner peripheral end portion 20 of the flange portion 5 so that the cap 11 can be screwed and detached. The weakening portion 8 is provided from the upper end to the lower end of the pouring cylinder 6 regardless of the presence or absence of the thread 10. The pouring tube 6 is provided with a bottom plate 12, and the bottom plate 12 has a scheduled opening portion 13.
3 is a part surrounded by the score 14 and capable of being removed by breakage. If the score tearing tab 15 provided in the planned opening portion 13 is pulled with a finger and the score 14 is broken, the planned opening portion 13
Can be removed, that is, opened. In addition, the seal | sticker after opening is made | formed when the inner ring 16 provided in the cap 11 and the inner peripheral surface of the upper end part of the extraction | pouring cylinder 6 fit.

On the other hand, the flange portion 5 includes the attachment portion 4 and the inner peripheral end portion 20, and the annular weakening portion 7 is provided along the attachment portion 4, that is, at the boundary with the inner peripheral end portion 20. The annular weakened portion 7 and the helical weakened portion 8 are connected by the connecting weakened portion 9. The spiral weakening portion 8 does not need to put a finger deeply into the dispensing tube when sorting, and grips the dispensing tube in the vicinity of the helical weakening portion 8 to move forward and in a radial direction with respect to the dispensing tube. It can be easily broken just by pulling outward in the direction. Further, as can be seen from FIG. 3, the connection weakening portion 9 is formed to have the same angle as the inclination angle of the lower end of the spiral weakening portion 8, and the breaking strength of the helical weakening portion 8 can be smoothly applied. As shown in FIG. 4, since it is connected to the annular weakened portion 7 at a gentle angle, the breaking force of the connecting weakened portion 9 can be smoothly transmitted to the annular weakened portion 7. Can do. Therefore, if the spiral weakened portion 8 of the dispensing tube 6 is completely broken, the breakage is transferred to the connection weakened portion 9 of the inner peripheral end portion 20 of the flange portion 5, and if the connection weakened portion 9 is further broken. When the breakage is transferred to the annular weakened portion 7 at the boundary between the attachment portion 4 and the inner peripheral end portion 20 and the annular weakened portion 7 is completely broken, the inner periphery that is a part of the dispensing tube 6 and the flange portion 5 The end 20 can be removed from the paper container 2. Note that the attachment portion 4 of the flange portion 5 remains in the paper container 2, but this portion is a minute amount compared to the dispensing cylinder 6 and the inner peripheral end portion 20 of the flange portion 5, and is reused as a paper resource. Does not significantly affect usage.

Next, the use of the paper container dispensing tool 1 having the above-described configuration will be described with reference to the drawings.
First, in order to use liquid contents such as various dairy products, juices and alcoholic beverages stored in the paper container 2, the cap 11 attached to the paper container pouring tool 1 is unscrewed and used for score tearing. A finger is put on the tab 15 and pulled, the score 14 is broken, and the opening scheduled portion 13 is removed and opened. If the liquid content remains in the paper container 2, the cap 11 may be screwed and sealed. When all of the liquid content in the paper container 2 has been consumed, the upper end portion of the pouring tube 6 is grasped with fingers and the spiral weakened portion 8 is broken (see FIG. 6), and the inner peripheral end portion 20 of the flange portion 5 continues. The connection weakening portion 9 is broken, the annular weakening portion 7 is further broken, and the inner peripheral end portion 20 which is a part of the dispensing cylinder 6 and the flange portion 5 is removed from the paper container 2 (see FIG. 7). Then, the removed paper container 2 is set as a paper resource recovery disposal.

8 to 11 show a paper container pouring tool 1A according to another embodiment of the present invention. The difference between the paper container pouring tool 1A and the paper container pouring tool 1 shown in FIGS. The circumferential weakening portion 21 extending in the circumferential direction is provided at the upper end portion of the dispensing cylinder 6 without providing the breakable helical weakening portion 8 from the upper end of the dispensing cylinder 6, and the circumferential weakening portion 21 is spirally formed. It exists in the point which connected the upper end of the weakening part 8a. Since the circumferential weakened portion 21 forms a ring for breaking and leading to the spiral weakened portion 8a, the weakened portion is not formed all around.

Therefore, first, the gripping piece 6a at the upper end portion of the pouring cylinder 6 is grasped with fingers, the circumferential weakened portion 21 is broken, and a part of the pouring cylinder 6 is used as a ring 22, and further, The spiral weakening portion 8a is broken, the connection weakening portion 9 is subsequently broken, and the annular weakening portion 9 is further broken to remove the dispensing cylinder 6 and the inner peripheral end 20 from the paper container 2. The removed paper container 2 can be disposed of as a paper resource. Other configurations and operations are shown in FIGS. 1 to 7.
Since it is the same as the paper container pouring tool 1 shown in FIG.

  As a means for facilitating the formation of the ring 22, a part of the circumferentially weakened portion at the position opposite to the connecting portion 23 and the circumferential direction can be used as a slit instead of the knob piece 6a.

FIG. 12 shows a paper container pouring tool 1B according to another embodiment of the present invention. The difference between the paper container pouring tool 1B and the paper container pouring tool 1 shown in FIGS. 5 is the annular weakening 7
From the outer peripheral end to the lower end of the extraction tube 6, that is, the mounting portion 4 and the inner peripheral end portion 2
The breakable flange weakening portion 30 extending to 0 is provided, and the flange weakening portion 30 is connected to the spiral weakening portion 8 provided in the dispensing tube 6. Moreover, it is desirable to provide a weakened part in the paper container which hits a flange weakened part and a flange outer peripheral end in a paper container.

Therefore, the upper end portion of the dispensing cylinder 6 is grasped with fingers, the spiral weakened portion 8 is broken, the flange weakened portion 30 is broken, and the entire flange portion 5 is broken, and the entire paper container dispensing tool 1 and paper A part of the container can be removed, and when collecting the paper container 2 with the paper container dispensing tool 1 as a paper resource, the recovery itself is facilitated without the trouble of using tools such as scissors in particular, Moreover, since all of the pouring tool 1 that is welded or adhered to the paper container 2 can be removed, it is possible to completely suppress the mixing of different materials other than paper.

As mentioned above, although Embodiment 1 thru | or 3 of this invention was demonstrated, it should be understood that a specific structure is not limited to this and the change in the range which does not deviate from the summary of this invention is possible suitably. .

When the paper container pouring tool of the present invention is recovered as a paper resource in the paper container with the pouring tool,
It is extremely useful when it is desired to promote the resource recovery itself without the trouble of using a tool such as scissors as much as possible to suppress mixing of different kinds of materials other than paper, such as synthetic resin.

It is sectional drawing of the state which mounted | wore with the cap to the paper container extraction tool which shows embodiment shown in Example 1 of this invention. It is a top view of the cap with which the paper container extraction tool is attached. It is a side view of the extraction tool for paper containers of the state which removed the cap. It is a top view of the extraction tool for paper containers of the state which removed the cap. It is a perspective view of the state which attached the paper container extraction tool (with a cap) to the paper container. It is a side view of the state which removes the extraction tool for paper containers from a paper container. It is a side view of the state which removes the extraction tool for paper containers from a paper container. It is a side view of the extraction tool for paper containers which shows embodiment shown in Example 2 of this invention. It is the side view which looked at the extraction tool for paper containers of FIG. 8 from the opposite direction. It is a side view of the state which removes the extraction tool for paper containers of FIG. 8 from a paper container. It is a side view of the state which removes the extraction tool for paper containers of FIG. 8 from a paper container. It is a top view of the extraction tool for paper containers which shows embodiment shown in Example 3 of this invention. It is a sectional side view of the extraction tool for paper containers shown by patent document 1. FIG.

Explanation of symbols

1,1A, 1B Paper container pouring tool 2,50 Paper container 3,51 Opening 4,52 Mounting part 5,53 Flange part 6,54 Extraction tube 6a Grasp piece 7 Annular weakening part 8, 8A Spiral weakening part DESCRIPTION OF SYMBOLS 9 Connection weakening part 10 Screw 11 Cap 12 Bottom plate 13 Opening planned part 14 Score 15 Score tearing tab 16 Inner ring 20 Inner peripheral edge 21 Circumferential weakening part 22 Ring 23 Connection part 30 Flange weakening part 55 Linear weakening part 56 Lateral groove

Claims (4)

A paper container note having a flange portion provided on the outer periphery with a mounting portion welded or bonded in a liquid-tight manner to the opening portion of the paper container, and a pouring tube rising from the inner peripheral end of the flange portion. An annular weakening portion that is breakable along the attachment portion of the flange portion, and is provided with a spiral weakening portion that can be broken in the pouring tube from the upper end to the lower end of the pouring tube; A connection weakening portion that connects the annular weakening portion and the helical weakening portion is provided, and the helical weakening portion is broken, then the connection weakening portion is broken, and the annular weakening portion is further broken. Thus, the paper container extraction tool, wherein a part of the extraction cylinder and the flange portion can be removed from the paper container. A paper container note having a flange portion provided on the outer periphery with a mounting portion welded or bonded in a liquid-tight manner to the opening portion of the paper container, and a pouring tube rising from the inner peripheral end of the flange portion. An annular weakening portion that is breakable along the attachment portion of the flange portion and is provided with a spiral weakening portion that can be broken in the pouring tube from the upper end side to the lower end of the pouring tube, and the flange portion. A connection weakening portion that connects the annular weakening portion and the helical weakening portion is provided, and a circumferential weakening portion that extends in a circumferential direction from an upper end of the helical weakening portion is provided, and the circumferential direction Breaking the weakened portion to make a part of the dispensing cylinder a ring, placing a finger on the ring to break the helical weakened portion, then breaking the connecting weakened portion, and further breaking the annular weakened portion Of the dispensing cylinder and the flange portion. Note Daegu for paper containers, characterized in that the removable from said paper container parts. The circumferential weakened portion extends from one end connected to the spiral weakened portion to the other end in the vicinity of the helical weakened portion, and a connection portion is provided between the other end and the helical weakened portion. The paper container pouring tool according to claim 2, wherein a gripping piece is formed at the upper end of the pouring cylinder formed at a position opposite to the connecting portion and the circumferential direction. A paper container note having a flange portion provided on the outer periphery with a mounting portion welded or bonded in a liquid-tight manner to the opening portion of the paper container, and a pouring tube rising from the inner peripheral end of the flange portion. A breaker flange weakening portion extending from the outer peripheral end to the lower end of the extraction tube is provided on the flange portion, and a breakable spiral weakening portion connected to the flange weakening portion is provided on the extraction tube; The paper container pouring tool is characterized in that the pouring tool can be removed from the paper container by breaking the helical weakening portion and then breaking the flange weakening portion.

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