JPH0649345U - Refill container - Google Patents

Abstract

(57) [Summary] [Purpose] Protects the bottom of thin refill containers. [Structure] Shoulder 3 of container body 1 of thermoform molded product
A refill container in which a nozzle tube 4 having a short top is provided upright in the center of the shoulder 3 and the spout is opened by cutting the upper end of the nozzle tube 4. In, the bottom raising piece 10 was provided around the lower part of the body.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a refill container for detergent, shampoo, and the like.

[0002]

[Prior art]

 Containers for detergent, shampoo, etc., such as bottles, can hold and hold the contents tightly, can be repeatedly opened and closed, and can stably and satisfactorily dispense the contents, and handle them. In order to satisfy the requirements such as ease of manufacturing, the structure becomes complicated, and many man-hours are required for manufacturing, and a relatively large amount of material is required for molding one product. Therefore, the product unit price is high.

Further, these containers do not lose their function of satisfying the above-mentioned requirements even after the contents are completely consumed, and they can be reused sufficiently and without any inconvenience.

Further, since these containers are made of a relatively large amount of synthetic resin material, this becomes a waste, which increases the amount of synthetic resin in the waste treated by incineration, It is also one of the causes that make the disposal of waste difficult.

To solve these inconveniences, contents such as detergent and shampoo are stored in a refill container using a simple container, and the contents stored in the refill container are emptied into bottle bottles. The method of refilling and using it has been well received.

[0006] This conventional refill container is a bag made of a synthetic resin sheet, which is generally called a stand pouch, and is said to have a very low manufacturing unit price and easy disposal. It has excellent advantages.

[0007]

[Problems to be solved by the device]

 However, in the above-described conventional technique, the opening of the refill container is achieved by cutting the corners of the bag-shaped container with scissors, so that the opening form of the opening is not constant. When refilling contents into empty containers, especially empty containers with small openings such as bottle containers, there was a problem that the contents spilled out of the bottle container.

Further, since the entire refill container is weak, it is necessary to support the entire refill container with both hands during the refill operation, which makes it difficult to stably hold the bottle container in the standing posture. was there.

Even if the entire refill container is supported by both hands, the shape of the entire container changes as the contents flow out, and the opening and the shape also change accordingly. There was a problem that the refilling operation for the bottle container became unstable.

Furthermore, since the refill container is in the shape of a bag, it has a very low self-shape-retaining ability. Therefore, when it is displayed in a store, it becomes bent and unsightly, and because it cannot be stacked, it can be stored in a certain space. There was a problem that only a small number of products could be displayed.

There is a bag-shaped body that is the main body of a refill container with a spout with a cap as a separate part, but a refill container that is a disposable container can be reused repeatedly with a cap. There is a problem that the provision of the mouth not only unnecessarily increases the manufacturing cost, but also reduces the hermetically storing capacity of the contents.

Therefore, in order to solve the above-mentioned problems in the prior art, the refill container is formed of a simple container that has a stable self-shape-retaining ability and forms a spout of a uniform shape, and There is a need for a refill container that can achieve easy and stable refilling of contents, and can also perform good handling and safe handling of storage, display, and display.

In particular, since the refill container is made of a thin film material, it is necessary to prevent it from coming into contact with the floor surface on which the container is placed so as not to damage the bottom.

The present invention pays attention to such points, and provides a refill container satisfying the above-mentioned requirements.

[0015]

[Means for Solving the Problems]

 The means of the present invention for solving the above technical problem is to provide a tapered tubular shoulder at the upper end of a tubular body (2) integrally provided with an outer brim-shaped brim piece (5) around the lower end closed edge. Part (3) is continuously provided, and a nozzle tube (4) with a short top is erected from the center of the shoulder (3), which is a thermoform molded product from a thin synthetic resin sheet A container body (1) and a seal film (7) which is tightly welded to the lower surface of the collar piece (5) to seal the lower end opening of the container body (1). Then, a raised bottom piece (10) supporting the container body was extended around the brim piece (5).

Here, it is preferable that the height A raised by the bottom raising piece (10) is greater than the downward deflection amount of the seal film due to the weight of the contents in the container body.

Further, the bottom raising piece (10) may have a circular arc shape with its cross section protruding downward or a bellows shape directing downward, but the point is that the container body It is only necessary to raise

In the present invention, when the shoulder portion is formed in a tapered cylindrical shape whose diameter is expanded downward, when the shoulder portion is inverted and the shape is depressed toward the inside of the body portion, Any design change is possible as long as the above configuration is provided.

Further, it is preferable to set the height of the nozzle cylinder in the container body to a value smaller than the height of the shoulder portion. Further, it is effective to form a stepped portion having an enlarged diameter at the lower end of the body portion of the container body and to give the body portion a draft taper having a reduced diameter upward.

[0020]

[Action]

 In the container body, even if the shoulder portion is formed in the shape of a taper cylinder whose diameter is expanded downward, at first, it is inverted in the opposite direction and the shape is depressed toward the inside of the body. The contents are stored in the same manner as the above.

Since the container body is a stretch-molded product thermoformed from a thin synthetic resin sheet, the whole body becomes thin, and therefore the body part is easily elastically bent and deformed by pressing with one hand. . At that time, as the internal pressure of the body part rises, the shoulder part is pushed up, and the shoulder part is inverted and elastically deformed into a shape protruding above the body part.

The filling of the contents into the container main body is achieved by inverting the container main body with the shoulder portion depressed in the body, and from the lower end opening located above the inverted container main body. After filling the container body with a fixed amount of contents, seal the bottom opening of this container body by tightly welding the seal film to the collar piece of the container body, and thus sealing the contents to the container body. Achieve storage.

In the sealed storage state of the contents, since the shoulder portion is inverted and depressed in the body portion, the nozzle cylinder does not protrude from the upper end edge of the body portion or slightly protrudes, so that the containers can be stacked one on top of the other. In addition, since the height of the entire container is reduced, the storage and storage space is correspondingly reduced.

Then, the container body is raised by the bottom raising piece. As a result, there is less risk of the seal film touching the floor surface and being damaged. In addition, even if the container body is dropped, the bottom raising piece acts as a cushioning material, so it is strong against impact.

When refilling the contents into an empty bottle container, the body part of the container body is pressed by holding it with one hand to increase the internal pressure of the container body, and the shoulder that has been depressed in the body part. Turn the part over so that it projects upwards with respect to the body, and then open the upper end of the nozzle tube protruding from this shoulder by cutting it with scissors to form the outlet for the contents. .

When the contents are refilled into the bottle container, the opened nozzle cylinder is made to face the mouth portion of the bottle container. This is achieved by fitting it into the mouth. Since the refilling of the contents into the bottle container is carried out through the nozzle tube having a fixed tubular shape, the contents can be poured out stably and in a good condition.

After the refilling is completed, that is, after all the contents have been poured out, the whole is flatly crushed to be in a non-bulky state and discarded. At the time of this crushing, it is easy to crush the seal film, and the crushing process is easy because the container body itself is a thin container.

[0028]

【Example】

 FIG. 1 is an overall front view showing an embodiment of a refilling container according to the present invention. A container body 1 thermoformed from a thin synthetic resin sheet and a collar piece 5 at the lower end opening of the container body 1. And a sealing film 7 that close-closes the lower end opening of the container body 1 by being tightly welded.

In the container body 1, an outer brim-shaped collar piece 5 is provided around the lower end of the lower end, which is expanded in diameter through a step 6, that is, at the lower end opening, and the diameter of the cylindrical body is slightly reduced upward. At the upper end of 2, a tapered cylindrical shoulder 3 that is recessed toward the inside of the body 2 is continuously provided, and at the center of the shoulder 3, a nozzle cylinder 4 having a short short cylindrical shape is erected. A bottom raising piece 10 is further provided around the brim piece 5 which is formed in a continuous manner. The bottom raising piece 10 has an arcuate cross-section protruding downward, and as shown in FIG. 6, the height A raised by the bottom raising piece 10 is the weight of the contents in the container body. It is larger than the downward deflection amount B of the seal film due to the above, and as a result, a gap C is formed between the floor surface and the seal film.

Since the nozzle cylinder 4 is a portion that forms a spout for the contents from the refill container to the empty bottle container 8 (see FIG. 4), its outer diameter is the mouth part of the bottle container 8. The height a of the nozzle cylinder 4 is set to be smaller than the height b of the shoulder portion 3. The top of the nozzle cylinder 4 is integrally closed by a cover plate.

The outer diameter of the nozzle cylinder 4 is set to a value smaller than the diameter of the mouth of the bottle container 8 because the nozzle cylinder 4 is inserted into the mouth of the bottle container 8 when the contents are refilled. In this way, by inserting the nozzle cylinder 4 into the mouth of the bottle container 8 for refilling, the safe refilling process is achieved without spilling the contents. be able to.

The height a of the nozzle cylinder 4 is set to be smaller than the height b of the shoulder portion 3 because the shoulder portion 3 is recessed in the body portion 2 and the upper edge of the body portion 2 is This is to ensure that the upper end edge of the nozzle cylinder 4 does not project from the upper end and is positioned lower than the upper end edge of the body portion 2 without fail.

As described above, by preventing the upper end edge of the nozzle cylinder 4 from protruding upward from the upper end edge of the body portion 2 when the shoulder portion 3 is depressed, it is possible to stack refill containers as products. As a result, the refill containers can be displayed without any inconvenience, and a large number of refill containers can be displayed in a narrow space.

Further, since the height of the refill container can be reduced by the height (a + b) to handle storage, transportation, packing, etc., efficient use of space can be achieved. Can be obtained.

Further, since the body 2 of the container body 1 has a tubular shape in which the diameter of the body 2 is slightly reduced upward and the step 6 is provided at the lower end of the body, when the container bodies 1 are stacked, The container bodies 1 do not fit tightly into each other, which facilitates handling of the container body 1 before filling the contents and is good.

This container body 1 is made from a polypropylene single-layer sheet having a thickness of 1.50 mm to a total height of 160 mm, the height b of the shoulder 3 is 12 mm, and the height of the nozzle cylinder 4 is 10 mm, as shown in FIG. 1 for 500 ml. When thermoformed into the structure shown, the wall thickness of the shoulder portion 3 is about 0.37 mm on average, and the wall thickness of the upper end portion of the body portion 2 that is continuous with the shoulder portion 3 Was about 0.16 mm on average.

As described above, since the thickness of the upper end portion of the body portion 2 is sufficiently thin, the elastic reversal deformation of the shoulder portion 3 can be easily and stably achieved, and the thickness of the shoulder portion 3 can be reduced. Since it is relatively large, the shoulder portion 3 itself can stably hold its inverted deformation state.

The sheet film 7 that seals the lower end opening of the container body 1 is made of a synthetic resin having high compatibility with the container body 1, and also forms a “seat” of the refill container. Since it also serves as an “overlapping part” when the refill containers are stacked, those with sufficient mechanical strength to support the weight of the refill containers are used.

For example, as the sheet film 7 to be assembled to the above-mentioned 500 ml container main body 1, an unstretched polypropylene layer of 0.06 to 0.08 mm and a 0.015 to 0.025 mm By using a laminated film in which a nylon layer and a polyethylene terephthalate layer of 0.012 mm are laminated, a drop impact strength test from a height of about 1 m in a state where the liquid detergent as the content is contained is used. As a result of 5 tests, it exhibited sufficient strength without breakage, and exhibited stable durability even with several (3 to 4) stacked layers.

The filling of the contents into the container body 1 was carried out by inverting the container body 1 in a state where the shoulder portion 3 was depressed in the body portion 2, and was positioned above the inverted container body 1. Achieved from the bottom opening.

When the container body 1 is filled with a fixed amount of contents, the lower end opening of the container body 1 is tightly welded to the collar piece of the container body 1 by sealing the seal film 7 to close the container body 1. Achieving a sealed storage of the contents in the body 1.

In refilling the contents of the empty bottle container 8, first, in the state shown in FIG. 1, by pressing with one hand or the like, a pressing force F is applied to the body portion 2 to increase the internal pressure of the refill container. Then, the shoulder portion 3 depressed due to this internal pressure protrudes from the inside of the body portion 2, and the state shown in FIG. 2 is obtained.

As shown in FIG. 2, the upper end of the nozzle cylinder 4 protruding upward by the reversal of the shoulder 3 is cut with scissors or the like to open the upper end of the nozzle cylinder 4, and then the upper end of the nozzle cylinder 4 is opened. As shown in FIG. 4, the upper end of the opened nozzle cylinder 4 is made to face the mouth of the empty bottle container 8 and the contents are refilled while inclining the refill container.

At this time, the container body 1 is a thin container but basically has a tubular shape, and therefore exhibits a relatively high self-shape retention capability. Therefore, during the refilling operation, there is no possibility that the refilling operation is difficult to be performed due to the deformation. In addition, by fitting the nozzle cylinder 4 into the mouth of the bottle container 8, refilling can be achieved more safely.

When the refilling is completed and empty, as shown in FIG. 4, the whole is flatly crushed and discarded. At this time, as shown in FIG. 4, the sheet film 7 is broken with a knife or the like. If it is cut off, the container body 1 can be easily crushed.

The molding material for the container body 1 and the sheet film 7 is not limited to the carbon synthetic resin sheet or film, and a laminated sheet or film having the required physical properties can also be used. It is desirable that the surface of the container body 1 be decorated by appropriate printing.

Further, since the present invention is characterized in that the bottom raising piece 10 is provided, the configuration of the container body 1 is not particularly limited as long as the above-mentioned operation is exhibited. For example, as shown in FIG. 7, the container main body 1 is provided with an outer brim-shaped collar piece 5 around the lower end of the lower end, i.e., the lower end opening, which is expanded through the step 6, and the diameter is slightly reduced upward. At the upper end of the cylindrical body 2, a taper cylindrical shoulder 3 whose diameter is expanded downward at a steep angle is connected in series, and at the upper end of this shoulder 3, a nozzle tube 4 having a rounded short cylindrical shape is attached. You may comprise standingly arranged. In the case of molding in this way, when storing the contents, the shoulders are reversed as shown in FIG. 1, and thereafter the same as in the above-mentioned embodiment is used.

Further, as shown in FIG. 8, the container body 1 is provided with an auxiliary shoulder portion 11 between the body portion 2 and the shoulder portion 3, and as a result, a refraction point between the shoulder portion 3 and the body portion 2 is set. There may be two. The bottom raising piece 10 may have a bellows shape as shown in FIG. 8 or another shape.

[0049]

[Effect of device]

 Since the present invention has the above-mentioned configuration, it has the following effects. Since the opening is formed by cutting the upper end of the nozzle cylinder formed in the shape of a short cylinder, the formed opening will always have a uniform shape, and the nozzle cylinder itself will constantly dispense the contents. Since it exerts the function of guiding the contents, it is possible to pour out the contents in a constant state, and it is possible to eliminate the inconvenience of spilling the contents at the time of the refilling operation, and refilling is extremely good. Can be achieved.

Since the container body exerts a relatively high self-shape retention ability, it is possible to hold the refilling machine in a stable state with one hand during the refilling operation, so that the contents are stable and safe. You can get a refill operation.

Since the container has a stable self-shape retention capability, it is possible to stack containers on one another, and thus it is possible to display a large number of containers in an appropriate posture in a narrow space. Since the shoulder portion is handled by inverting and displacing the shoulder portion inside the body portion, the space can be effectively used, and thus suitable and efficient handling can be obtained.

Since the container body is a thermoform molded product made of a thin synthetic resin sheet, it can be molded by multi-cycle high cycle molding, resulting in high production efficiency, cost reduction, and container price reduction. Can be significantly lower.

Since it is a thin container, it can be flatly crushed after the refilling is completed, so that it is not bulky at the time of disposal, and thus the disposal can be achieved easily and satisfactorily.

Then, the container body is raised by the bottom raising piece. As a result, there is less risk of the seal film touching the floor surface and being damaged. In addition, even if the container body is dropped, the bottom raising piece acts as a cushioning material, so it is strong against impact.

[Brief description of drawings]

FIG. 1 is a front view of upper and lower crushing parts showing an embodiment of the present invention.

FIG. 2 is an overall front view showing a state in which a shoulder portion is projected and inverted from the state of FIG.

FIG. 3 is an overall view showing a state where contents are refilled into an empty bottle container.

FIG. 4 is an overall perspective view showing a state in which the seal film is broken after the end of refilling.

FIG. 5 is an overall perspective view showing a flatly crushed state.

FIG. 6 is a view showing details of a bottom raising piece.

FIG. 7 is a front view of the upper crushing portion showing another embodiment of the present invention.

FIG. 8 is a front view of an upper crushing device according to still another embodiment of the present invention.

[Explanation of symbols]

2; Body 1; Container body 4; Nozzle cylinder 3; Shoulder part 6; Step part 5; Collar piece 8; Bottle container 7; Seal film b; Shoulder part height a; Nozzle cylinder height F; Pressing force

Claims (2)

[Scope of utility model registration request] 1. A tapered tubular shoulder portion (3) is continuously provided on an upper end of a tubular body portion (2) integrally provided with an outer flanged flange piece (5) around a lower end closed edge. A thin container body (1), which is a thermoform molded product from a thin synthetic resin sheet, in which a nozzle tube (4) in the shape of a short cylinder with a top is erected from the center of the shoulder portion (3), and the collar. A sealing film (7) that is tightly welded to the lower surface of the piece (5) and seals the lower end opening of the container body (1), and a bottom raising piece that supports the container body around the brim piece (5). (Ten)
A refillable container characterized by being extended. 2. The height A raised by the bottom raising piece (10) is larger than the downward deflection of the seal film due to the weight of the contents in the container body. Refill container