JP2004059141A - Plastic made refill container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a plastic made refill container which is capable of opening the mouth end of the body part thereof without press-crushing the body part, and for which there is no fear of the contents therein jetting out at the time of opening. <P>SOLUTION: The plastic made refill container 1 is a blow-molded container in which contents to be refilled into other containers are charged and hermetically enclosed. The container has a bottom part 3 at the lower end of its body part 2 so that it is capable of self-standing under the state of the contents being filled and hermetically enclosed, and a charging mouth part 5 at the upper end of its body part 2. A circular recessed part 6 is formed, between the mouth end part 4 and the filling mouth part 5 of the body part 2, for opening the mouth end part of the body part by ripping off the filling mouth part 5. At the mouth end part 4 and the filling mouth part 5 of the body part 2, plucking pieces 8, 9 are provided to be plucked at the time of ripping off the filling mouth part 5 at its circular thin-wall part 6 from the mouth end part 4 of the body part 2. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention is a container of liquid detergent, shampoo, rinse, deodorant, fragrance, bath agent, powdered soap, powdered detergent, seasoning, salt, pepper, sugar, soy sauce, cooking oil, etc. The present invention relates to a plastic refill container for disposing of a liquid content that has been transferred to another container and then discarded.
[0002]
[Prior art]
Conventionally, as this kind of plastic refill container, the one described in JP-A-11-130031 is known. Further, as a single-use type filled and hermetically sealed plastic container such as a frozen dessert container, the one described in JP-A-2000-318721 is known.
[0003]
[Problems to be solved by the invention]
By the way, the plastic container described in the above-mentioned Japanese Patent Application Laid-Open No. 11-130031 has a flat rectangular body, a bottom at the lower end of the body for self-supporting, and a top at the upper end of the body. It has a filling port, and the upper end of the filling port is crushed and heat-welded while leaving a part thereof, thereby forming a spout and hermetically sealing it. It is cut or cut with a thin break line, twisted and broken, and resealed with an integrally provided plug, so the opened spout has a small diameter, it takes time to refill, and furthermore, Things may splatter, making refilling difficult.
[0004]
Further, the plastic container described in JP-A-2000-318721 has an annular thin cut portion formed between a flat rectangular body and a neck, and a filling port at an upper end of the neck. After filling the contents, it is heat-sealed flat to form a seal part, and the neck part is provided with a knob, so at the time of opening, the knob is pulled and pulled, so that the notch The neck can be easily removed from the trunk by tearing it off.However, in a refill container, the contents are a liquid or powder having fluidity, and the trunk is also thin, so the trunk is thin. When pressing and pulling the knob on the neck, the body is crushed to some extent with the pressed hand, so the contents may squirt, and furthermore, the neck is deformed flat by heat welding and the seal is flat, Open from notch And also the open end after remains in a state of being deformed is shaping into a flat shape, there is a problem that it is impossible dispense stable contents during refilling.
[0005]
Therefore, an object of the present invention is a refillable container, in which the contents having fluidity are quickly filled and sealed in a manufacturing process, and a wide-mouth spout is easily formed in a refilling process without using instruments such as scissors. The present invention provides a plastic refill container that can be stably poured without spilling or spilling the contents, and even when the body is thin, the filling port is torn from the annular groove to cut off the end of the neck. When opening, it is possible to open the mouth end of the torso without crushing the torso by pinching the knob at the mouth end of the neck or holding the recess with your finger and pulling the knob of the filling port. An object of the present invention is to provide a plastic refill container which can be opened and does not have a possibility of squirting contents at the time of opening.
[0006]
[Means for Solving the Problems]
The present invention provides a plastic refill container according to claims 1 to 7 to achieve the above object. That is, the plastic refill container according to claim 1 is a blow-molded container in which a fluid content to be refilled in another container is filled and sealed, and the container is in a state where the content is filled and sealed. It has a bottom at the lower end of the body so as to be self-supporting, and has a filling port at the upper end of the body via a neck, and between the mouth end formed at the neck and the filling port. An annular groove for tearing the filling opening to open the mouth end of the neck is formed.When the filling opening is torn from the mouth end of the neck with the annular groove in the filling opening of the neck. A knob is provided at a position close to the annular groove.
[0007]
A plastic refill container according to a second aspect is the plastic refill container according to the first aspect, wherein the body is formed in a cylindrical shape, and substantially through a shoulder portion whose diameter is reduced upward from the body. A neck portion is provided at the center.
[0008]
The plastic refill container according to claim 3 is the plastic refill container according to claim 1 or 2, wherein the filling port has a cylindrical portion having substantially the same cross-sectional shape as the mouth end at a portion below the annular concave groove. It is characterized in that it is formed and is thermally welded in a state where the upper end of the filling port is crushed flat.
[0009]
A plastic refill container according to a fourth aspect is characterized in that, in the plastic refill container according to the first, second or third aspect, a knob is provided at each of the mouth end and the filling mouth.
[0010]
A plastic refill container according to a fifth aspect is characterized in that, in the plastic refill container according to the first, second, third or fourth aspect, a concave portion is formed at a mouth end of a neck portion.
[0011]
The plastic refill container according to claim 6 is the plastic refill container according to claim 1, 2, 3, 4, or 5, wherein the knob has an annular finger hole. is there.
[0012]
The plastic refill container according to claim 7 is the plastic refill container according to claim 1, 2, 3, 4, 5, or 6, wherein the container has a multilayer structure including a gas barrier layer, The thickness is 30% or less of the entire thickness, and the thickness is 165 μm or less.
[0013]
BEST MODE FOR CARRYING OUT THE INVENTION
FIG. 1 is a front view of a plastic refill container according to one embodiment of the present invention, FIG. 2 is a front view of a plastic refill container according to another embodiment of the present invention, FIG. Is a front view of a plastic refill container according to still another embodiment of the present invention, FIG. 5 is a side view of the same, FIG. 6 is a perspective view showing an opening operation mode of the plastic refill container shown in FIG. 1, and FIG. FIG. 8 is a perspective view showing an embodiment in which the contents are refilled in another container.
[0014]
1 or 2 and 3, reference numeral 1 denotes a plastic refill container. This plastic refill container 1 has a thin body portion 2 and a bottom portion 3 formed at the lower end of the body portion 2 so that the container becomes self-supporting in a state of being filled with contents. Further, the body 2 is formed in a cylindrical shape, and a neck 14 is formed at an upper end thereof via a shoulder, and is located substantially at the center of a plane perpendicular to the axial direction of the body. Further, a part of the neck portion 14 formed at the upper end of the body portion 2 forms a mouth end portion 4, and the filling mouth portion 5 is formed through the mouth end portion 4 and the annular groove 6 formed in a groove shape. Are connected. The filling port 5 has an opening at the upper end when the contents are filled, but is sealed by heat sealing after filling the contents. Reference numeral 7 denotes the seal portion. In the mouth end portion 4 and the filling mouth portion 5 of the body 2, a knob 8 is attached to the cylindrical portion 15 in the plastic refill container shown in FIG. 1, and in the case shown in FIGS. Knobs 8 and 9 are formed on the neck, respectively. These knobs 8 and 9 are made of thin pieces, but may have a finger hole. A rib 10 for reinforcement is formed on the body 2.
[0015]
In the plastic refill container 1 shown in FIGS. 4 and 5, the knob 9 formed in the filling port 5 has a finger hole 11, but this may be a thin wall. The mouth end 4 of the body 2 is formed with a concave portion 12 for holding a container by hanging a finger at the time of opening. Although one recess 12 may be provided on the front side, it may be formed so as to form a pair on the front side and the back side. The other configuration is the same as that shown in FIG. 2 and FIG. 3, and the same reference numerals are given and the description is omitted.
[0016]
The plastic refill container 1 according to the present invention is formed by blow-molding a thermoplastic plastic, and the thermoplastic plastic therefor includes low-density polyethylene, medium-density polyethylene, high-density polyethylene, and linear low-density polyethylene. Polyolefin resin such as high density polyethylene, linear ultra low density polyethylene, polypropylene, propylene-ethylene copolymer, polyethylene terephthalate resin, polyamide resin such as nylon-6, nylon-6,6, or ethylene-vinyl acetate Resin having a barrier property such as a saponified copolymer can be used.
[0017]
The plastic refill container 1 according to the present invention may have a multilayer structure by a blow molding method. In particular, when a substance having an aromatic property or a substance that deteriorates due to oxygen such as food is filled, a gas barrier resin such as an ethylene / vinyl alcohol copolymer is used as a core layer. As the layer configuration, from the outside: a low density polyethylene layer / adhesive resin layer / ethylene / vinyl alcohol copolymer (EVOH) layer / adhesive resin layer / low density polyethylene layer is suitable. Here, since the gas barrier resin has crystallinity and relatively hard properties, the tearability of the annular groove tends to decrease. It is preferable that the thickness is 30% or less and the thickness is 165 μm or less.
[0018]
The layer configuration of the container is from the outside: low-density polyethylene / adhesive resin / ethylene-vinyl alcohol copolymer (EVOH) / adhesive resin / low-density polyethylene, and the thickness ratio from the outside is 47 / 1.5 / 3 / 1.5 / 47 (%) was prepared. The tab 7 of the container having this configuration was picked up and pulled so as to tear the annular groove 6, the filling port 5 was removed from the mouth 4 of the neck 14, and the mouth 4 could be opened.
[0019]
In the plastic refill container 1 according to the present invention, in order to fill the contents into the plastic refill container 1, first, the upper end of the neck of the container formed by blow molding or the like is cut to open a filling port. Then, the container is put into a filling line, and a filling nozzle is inserted from a filling port in a state where the container 1 is fixed to inject the contents. At this time, the filling port is formed at the upper end of the neck portion 14 which is located substantially at the center of a plane perpendicular to the axial direction of the body portion 2, so that the container can be placed in any direction without regulating the direction of the container put into the filling line. , The filling ports can be positioned at the same position, and the filling speed can be improved and the filling line can be simplified.
[0020]
The filling port 5 has a cylindrical portion 15 having substantially the same cross-sectional shape as the mouth end 4 formed at a portion below the annular concave groove 6, and the upper end of the filling port 5 is crushed flat. The seal portion 7 is formed by heat welding. To refill the contents in another container 13, as shown in FIG. The groove 6 is pulled to tear, and as shown in FIG. 7, the filling port 5 is removed from the mouth 4 of the neck 14 and the mouth 4 is opened. Then, as shown in FIG. 8, the contents are refilled in another container 13. At this time, if the contents are reduced, the contents can be refilled with almost no contents left by squeezing the body 2 while grasping it. In particular, in the one shown in FIGS. 1 and 2, the knob 8 on the mouth end 4 side of the neck portion 14 and the knob 9 on the filling port 5 side are both picked up and pulled to tear the annular groove 6. The filling mouth 5 can be removed from the mouth end 4 of the neck 14 and the mouth end 4 can be opened.
[0021]
【The invention's effect】
ADVANTAGE OF THE INVENTION According to this invention, in the refilling container in which the content was filled and sealed, efficient and stable work is possible from the filling of the content to the refilling of another container, and the body portion is thin like a refilling container. Also, when opening the mouth end of the neck by tearing the annular groove in the filling port and opening the mouth end of the neck, by pulling the knob of the mouth end of the trunk or holding the recess with your finger, pulling the knob of the filling port In addition, the mouth end of the body can be opened without crushing the body, and a plastic refill container that does not have a possibility of squirting the contents at the time of opening can be provided.
[Brief description of the drawings]
FIG. 1 is a front view of a plastic refill container according to an embodiment of the present invention.
FIG. 2 is a front view of a plastic refill container according to another embodiment of the present invention.
FIG. 3 is a side view of the same.
FIG. 4 is a front view of a plastic refill container according to still another embodiment of the present invention.
FIG. 5 is a side view of the same.
FIG. 6 is a perspective view showing an opening operation mode of the plastic refill container according to the present invention.
FIG. 7 is a perspective view showing a state in which the above is opened.
FIG. 8 is a perspective view showing a mode of refilling the contents in another container.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Refill container made of plastic 2 Body 3 Bottom 4 Mouth end 5 Filling mouth 6 Annular groove 7 Seal 8 Knob 9 Knob 10 Rib 11 Finger hole 12 Concave 13 Other container 14 Neck 15 Cylindrical part

Claims (7)

A blow-molded container filled and sealed with fluid content to be refilled into another container,
The container has a bottom at the lower end of the body so that the content is self-supporting while being filled and sealed, and has a filling port at the upper end of the body through a neck,
Between the mouth end formed in the neck and the filling mouth, an annular groove for tearing the filling mouth and opening the mouth end of the neck is formed,
A refill container made of plastic, characterized in that the filling port of the neck is provided with a knob at a position close to the annular groove when the filling port is torn from the mouth end of the neck with the annular groove. 2. The plastic refill container according to claim 1, wherein the body is formed in a cylindrical shape, and a neck is provided substantially at the center of the body via a shoulder whose diameter is reduced upward from the body. . A cylindrical portion having substantially the same cross-sectional shape as the mouth end portion is formed in a portion below the annular groove near the annular groove, and the upper end of the fill port portion is heat-welded in a state where it is crushed flat. The plastic refill container according to claim 1 or 2, wherein: 4. The plastic refill container according to claim 1, wherein a tab is provided at each of a mouth end and a filling port. 4. The plastic refill container according to claim 1, wherein a concave portion is formed at a mouth end of the neck portion. 6. The plastic refill container according to claim 1, wherein the knob has an annular finger hole. The container has a multilayer structure including a gas barrier layer, wherein the thickness of the gas barrier layer in the annular groove is 30% or less of the entire thickness and the thickness is 165 μm or less. 7. The plastic refill container according to 3, 4, 5 or 6.

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