JP2000318720A - Pet bottle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a PET bottle in which a bottle main body is divided into a base section and an ornamental section, a pressure-reducing panel is arranged at the base section, the ornamental section can be molded into various kinds of and miscellaneous distinctive shapes and a purchasing desire of a consumer can be enhanced by the ornamental section. SOLUTION: A PET bottle 1 is comprised of a bottle main body 2; and a cap 21 removably fixed to an opening part of the bottle main body 2. The bottle main body 2 is formed by thermoplastic resin and is comprised of a closed-end cylindrical base section 3 and an upper ornamental section 10 of the base section 3. The base section 3 is provided with a plurality of pressure reducing panels 5 avoiding deformation and damage or breakage of the bottle main body 2 and the like caused by application of pressure or reducing pressure in the bottle main body 2. The ornamental section 10 is formed into an animal- like shape.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to juice, tea,
The present invention relates to a plastic bottle containing soft drinks such as mineral water.

[0002]

2. Description of the Related Art Conventionally, plastic bottles for storing soft drinks include a bottle body formed of a thermoplastic resin,
And a cap which is removably attached to the mouth of the bottle body. The bottle body contains the
As disclosed in Japanese Patent Publication No. 05258, a pressure reducing panel is provided to avoid deformation, breakage, and the like of the bottle main body due to pressurization and decompression inside the bottle main body.

[0003] The bottle body is generally formed as follows. A test tube preform is molded by injecting a polyethylene terephthalate resin material. The preform has an opening formed with a support ring and a male screw on the open end side. The mouth is whitened and crystallized by an appropriate means so as to be less likely to be deformed by heat or the like.
The lower part except the mouth of the preform is heated by a heating means such as an infrared lamp. Next, the heated preform is placed in a blow mold having a predetermined shape, and while the preform is stretched in the longitudinal direction with a stretch rod, pressurized air is blown into the preform to inflate in the circumferential direction. A bottle body is formed in a shape along the inner surface of the mold.

[0004] As described above, a bottle body formed by so-called biaxial stretch blow molding is filled with a hot-sterilized beverage from a mouth in a beverage filling chamber, and a sterilized cap is attached to the mouth. The PET bottle is completed.
When the temperature of the beverage that has been sterilized by high heat falls, the pressure inside the plastic bottle is reduced, but the pressure reducing panel is deformed, and deformation and breakage of the bottle body can be avoided. Note that the decompression panel is formed by a concave portion.

[0005]

The bottle body of a conventional PET bottle is formed in a very simple cylindrical or rectangular parallelepiped shape having a pressure reducing panel provided on the entire surface.
There was a problem that it was discarded as soon as the inside soft drink disappeared. Further, since the conventional bottle body has almost the same appearance in all products, there is a problem in that it is not possible to inspire consumers to purchase with the appearance.

The present invention has been devised in view of the above problems, and divides the bottle main body into a base portion and a decoration portion, and provides a decompression panel on the base side, so that the decoration portion has a variety of characteristic shapes. It is an object of the present invention to provide a PET bottle having a novel structure which can be molded and further enhances a customer's willingness to purchase with the decorative part.

[0007]

The PET bottle according to the first aspect of the present invention has the following means to achieve the above object. (B) It consists of a bottle body and a cap that is removably attached to the mouth of the bottle body. (B) The bottle body is formed of a thermoplastic resin,
Consisting of a base and a decorative part. (C) A decompression panel is provided at the base to prevent deformation, breakage, and the like of the bottle body due to pressurization and decompression inside the bottle body.

According to a second aspect of the present invention, in addition to the above means, the decorative portion is formed in an animal or human shape. According to a third aspect of the present invention, in addition to the above means, the cap is formed in a hat shape.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIGS. FIG. 1 is an overall perspective view showing an embodiment of a plastic bottle according to the present invention. FIG.
FIG. 2 is a side view of FIG. 1. FIG. 3 is a front view of FIG. FIG. 4 is a plan view of FIG. FIG. 5 is a cross-sectional view of FIG.
It is X sectional drawing. FIG. 6 is a front view showing the manufacturing process. 7 and 8 are cross-sectional views showing a manufacturing process. FIG.
FIG. 4 is an overall perspective view showing another embodiment of the plastic bottle according to the present invention. FIG. 10 is a perspective view showing one form of the cap. FIG. 11 is a cross-sectional side view of FIG. FIG. 12 is an overall perspective view showing a state in which the cap of FIG. 10 is used. FIG. 13 is a side sectional view of FIG.

[0010] The plastic bottle 1 according to the first aspect of the present invention.
Consists of a bottle body 2 and a cap 21 which is detachably attached to the mouth 16 of the bottle body 2. The bottle main body 2 is formed of a thermoplastic resin, specifically, a polyethylene terephthalate resin, and has a bottomed cylindrical base 3.
It consists of a decorative part 10 on the upper part of the base 3. The base 3 is provided with a plurality of pressure reducing panels 5 for avoiding deformation, breakage, and the like of the bottle body 2 due to pressurization and decompression inside the bottle body 2. The decompression panel 5 is formed by an elliptical recess 6. Note that the shape of the concave portion is not particularly limited, and FIG.
As shown in FIG.

The decorative portion 10 is formed in an animal shape, and has a head 11, a trunk 12, an arm 13, and a leg 15 formed therein. At the top of the head 11, a mouth 16 is formed. The mouth 16 has a support ring 17 and a male screw 19 formed on the support ring 17. The cap 21 is detachably screwed onto the male screw 19 of the mouth 16.

The bottle body 2 is formed as follows. A polyethylene terephthalate resin material is injected by an injection device to form a test tubular preform 22 as shown in FIG. The preform 22 has a mouth 16 having a support ring 17 and a male screw 19 formed on the open end side.
Are formed. The opening 16 is whitened and crystallized by an appropriate means, so that deformation due to heat or the like is unlikely to occur.

The lower portion of the preform 22 except for the opening 16 is heated by a heating means such as an infrared lamp. next,
The heated preform 22 is put into blow molds 29 and 30 having a predetermined shape, and while the preform 22 is stretched in the longitudinal direction by the stretch rod 31, the preform 2
The pressurized air is blown into the inside of the mold 2 to inflate it in the circumferential direction, and the bottle body 2 has a shape conforming to the inner surface shape of the blow molds 29 and 30.
Is molded. The blow mold 30 includes a front mold 32 and a rear mold 33 joined to the front mold 32, and has a concave portion that forms the contour of the base 3 and the contour of the decorative portion 10 on the inner surface.

As described above, the bottle body 2 formed by so-called biaxial stretch blow molding is used in a beverage filling chamber.
The hot-sterilized beverage is filled through the mouth 16 and the mouth 16
The sterilized cap 21 is screwed onto the male screw 19 of the above, and the PET bottle 1 is completed. When the temperature of the beverage that has been sterilized by high heat falls, the pressure inside the plastic bottle 1 is reduced, but the pressure reducing panel 5 is deformed, so that deformation and breakage of the bottle body 2 can be avoided.

As described above, the plastic bottle 1 is
The decompression panel 5 is concentrated on the
There is no need to provide a decompression panel 5 on the
0 can be freely shaped. The decorative part 10 is different from a conventional simple-shaped plastic bottle in that the form is characterized, the external shape makes it easy to distinguish it from other products, and the decorative part 10 urges consumers to purchase. .

The plastic bottle 1 is configured such that the decorative portion 10 is placed on the base 3 even when the soft drink in the bottle main body 2 is exhausted, and the base 3 is used as an ornament as a pedestal. It can be used as a vase or decorative paperweight by adding water to the bottle body 2. Also base 3
If the shape is made to conform to the standard of ordinary PET bottles, it can be manufactured on a conventional production line, and there is no need to provide a new production line. In addition, during the filling operation of the drinking water, the holding becomes easy. Further, when the decorative portion 10 is formed so as not to protrude outside the outer periphery of the base portion 3, the decorative portion 10 can be uniformly stored at equal intervals without being offset in a conventional case for transporting plastic bottles. Moreover, since the decorative portions 10 do not contact each other, the decorative portions 10 are not damaged.

Although the decorative portion 10 is formed in the shape of an animal, the shape is not limited to the shape, and may be variously changed, such as a human shape, an automobile shape, a rocket shape, and the like.
If the decorative part 10 is formed in the shape of an animal, a humanoid, or the like, it will particularly stimulate children's willingness to purchase, and the plastic bottle 1 can be used as a toy after running out of soft drinks.

Further, as shown in FIGS. 10 and 11, the cap may be formed in a hat shape. This cap 2
4 is a concave portion for accommodating a cylindrical cap main body 25, a flange 26 formed on the lower peripheral edge of the main body 25, a female screw 27 screwed into the male screw 19 of the mouth 16, and a support ring 17. 28. When the female screw portion 27 of the cap 24 is screwed into the male screw portion 19 of the mouth portion 16 of the bottle body 2, the entire mouth portion 16 is stored in the cap 24, and the head 11 of the decorative portion 10 having an animal shape is obtained. It can be used as a figurine with a hat over it.

[0019]

As described above, the first aspect of the present invention is as follows.
In the PET bottle described above, since the decompression panel is concentrated on the base, it is not necessary to provide the decompression panel on the decoration part, and therefore, there is an effect that the decoration part can be formed freely. In addition, since the decorative part is molded, unlike conventional simple-shaped plastic bottles, it is characterized by its form, making it easy to distinguish it from other products by its external shape, and the decorative part makes it easy for consumers to purchase. It also has the effect of inspiring motivation.

Further, in the plastic bottle according to the first aspect, the decoration portion is placed on the base even if the soft drink in the bottle body is exhausted, and the base is used as a pedestal with the base serving as a pedestal. It can be used as a vase or decorative paperweight by adding water to the bottle body. If the shape of the base is made to conform to the standard of ordinary PET bottles, it can be manufactured on a conventional production line, and there is an effect that it is not necessary to provide a new production line. In addition, there is also an effect that gripping becomes easy during the filling operation of drinking water. In addition, when the decorative portion is formed so as not to protrude from the outer periphery of the base portion, there is an advantage that the decorative portion can be uniformly stored at equal intervals without being offset in a conventional case for transporting plastic bottles. Moreover, since the decorative portions do not contact each other, there is also an effect that the decorative portions are not damaged.

Since the decorative part is formed in the shape of an animal or a human, the pet bottle according to the second aspect of the present invention can be used as a toy, especially for stimulating children's willingness to purchase and after drinking water runs out. There is an effect that can be.

In the plastic bottle according to the third aspect of the present invention, since the cap is formed in a hat shape, the decorative portion such as an animal or a doll can be in the form of being covered with a hat, and the whole becomes a decoration. effective.

[Brief description of the drawings]

FIG. 1 is an overall perspective view showing an embodiment of a plastic bottle according to the present invention.

FIG. 2 is a side view of FIG.

FIG. 3 is a front view of FIG. 1;

FIG. 4 is a plan view of FIG. 1;

FIG. 5 is a sectional view taken along line XX of FIG. 3;

FIG. 6 is a front view showing a manufacturing process.

FIG. 7 is a cross-sectional view showing a manufacturing process.

FIG. 8 is a sectional view showing a manufacturing process.

FIG. 9 is an overall perspective view showing another embodiment of the plastic bottle according to the present invention.

FIG. 10 is a perspective view showing one form of a cap.

FIG. 11 is a sectional side view of FIG. 10;

FIG. 12 is an overall perspective view showing a state in which the cap of FIG. 10 is used.

FIG. 13 is a side sectional view of FIG. 12;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 PET bottle 2 Bottle main body 3 Base 5 Decompression panel 6 Oval recess 7 Rectangular recess 10 Decorative part 11 Head 12 Body 13 Arm 15 Leg 16 Mouth 17 Support ring 19 Male screw 21 Cap 22 Preform 24 Cap 25 Cap body 26 Flange 27 Female thread 28 Depression 30 Blow mold 31 Stretch rod 32 Front mold 33 Rear mold

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 3E033 AA01 BA13 CA05 DA03 DC10 DE20 EA09 FA03 GA02 3E062 AA09 AB02 AC02 BA20 BB01 DA01 3E084 AA04 AA06 AA12 AA24 AB01 BA01 CA01 CC03 DA01 DB12 DC03 FA09 FB01 GA04 GB17 JA19 KB01

Claims (3)

[Claims] 1. A plastic bottle having the following requirements. (B) It consists of a bottle body and a cap that is removably attached to the mouth of the bottle body. (B) The bottle body is formed of a thermoplastic resin,
Consisting of a base and a decorative part. (C) A decompression panel is provided at the base to prevent deformation, breakage, and the like of the bottle body due to pressurization and decompression inside the bottle body. 2. The plastic bottle according to claim 1, wherein the decorative portion is formed in an animal or human shape. 3. The plastic bottle according to claim 1, wherein the cap is formed in a hat shape.