JP2018083650A - Synthetic resin bottle - Google Patents
Synthetic resin bottle Download PDFInfo
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- JP2018083650A JP2018083650A JP2016228096A JP2016228096A JP2018083650A JP 2018083650 A JP2018083650 A JP 2018083650A JP 2016228096 A JP2016228096 A JP 2016228096A JP 2016228096 A JP2016228096 A JP 2016228096A JP 2018083650 A JP2018083650 A JP 2018083650A
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- synthetic resin
- resin bottle
- bottle according
- geometric
- pressure absorption
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- 229920003002 synthetic resin Polymers 0.000 title claims abstract description 57
- 239000000057 synthetic resin Substances 0.000 title claims abstract description 57
- 238000010521 absorption reaction Methods 0.000 claims abstract description 46
- 230000006837 decompression Effects 0.000 abstract description 3
- 235000013361 beverage Nutrition 0.000 description 15
- 230000000694 effects Effects 0.000 description 13
- 238000005034 decoration Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 238000000071 blow moulding Methods 0.000 description 6
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 238000011049 filling Methods 0.000 description 3
- 238000012371 Aseptic Filling Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 235000014171 carbonated beverage Nutrition 0.000 description 2
- -1 polyethylene terephthalate Polymers 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 241001122767 Theaceae Species 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920006300 shrink film Polymers 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Containers Having Bodies Formed In One Piece (AREA)
Abstract
Description
本発明は合成樹脂製ボトル、特に、外周部にラベルが装着された胴部の外観が真円に近い円筒状に見える合成樹脂製ボトルに関する。 The present invention relates to a synthetic resin bottle, and more particularly to a synthetic resin bottle in which the outer appearance of a body portion having a label attached to the outer peripheral portion looks like a cylindrical shape near a perfect circle.
ＰＥＴ（ポリエチレンテレフタレート）等の合成樹脂からなる飲料用の合成樹脂製ボトルは、安価で軽量であるなどの種々の利点を有している。非炭酸飲料用のボトルにおいては、飲料を高温に加熱して殺菌し高温の状態で耐熱ボトルに充填して密封する熱間充填、或いは、飲料を高温に短時間加熱して殺菌し、ボトルを薬剤等により滅菌して、無菌条件下で飲料を常温（３０℃程度）でボトルに充填して密封する無菌（アセプティック）充填が行われている。無菌充填が行われるボトル（アセプティックボトル）は、未開封状態において、飲料の容器からの経時的水分透過による減少や、ヘッドスペース中の気体の飲料への溶解による減少、或いは、飲料の冷蔵保管時の体積減少等による内部圧力の低下（減圧）が生じ、それによって変形を生じるおそれがある。このような変形を抑制するために、胴部には減圧吸収凹部が設けられている。 A synthetic resin bottle for beverage made of a synthetic resin such as PET (polyethylene terephthalate) has various advantages such as low cost and light weight. In non-carbonated beverage bottles, the beverage is heated to a high temperature and sterilized, and then filled in a heat-resistant bottle at a high temperature and sealed, or the beverage is heated to a high temperature for a short time and sterilized. Sterilization with an agent or the like, and aseptic filling in which a beverage is filled in a bottle at room temperature (about 30 ° C.) under aseptic conditions and sealed. Bottles that are aseptically filled (aseptic bottles), when unopened, are reduced due to moisture permeation from the beverage container over time, due to dissolution of gas in the headspace into the beverage, or when refrigerated storage of beverages There is a risk that the internal pressure will be reduced (decompressed) due to a decrease in the volume of the material, thereby causing deformation. In order to suppress such deformation, the body portion is provided with a reduced pressure absorption recess.
特許文献１に記載されている合成樹脂製ボトルは、底板に螺旋状の凹状溝が形成された擂鉢状凹部から成る減圧吸収部を有し、胴部に高さ方向に並列する複数の周状溝から成る補強部を有している。 The synthetic resin bottle described in Patent Document 1 has a reduced pressure absorption part composed of a bowl-shaped concave part in which a spiral concave groove is formed on a bottom plate, and a plurality of circumferential shapes parallel to the body part in the height direction. It has a reinforcing part consisting of a groove.
特許文献２に記載されているプラスチックボトルは、ボトル胴部の断面が八角形であり、各角部に円弧壁面が形成され、各円弧壁面の間に傾斜壁と平坦壁とからなる減圧吸収面が配設された加熱充填可能な八面体のボトルであり、円弧壁面の両側に接続された傾斜壁のなす柱角度が６０°〜１１５°の範囲である減圧吸収面を備えている。 The plastic bottle described in Patent Document 2 has an octagonal cross section of the bottle body, an arc wall surface formed at each corner, and a vacuum absorbing surface comprising an inclined wall and a flat wall between the arc wall surfaces. Is a heat-fillable octahedron bottle having a reduced pressure absorption surface in which the column angle formed by the inclined walls connected to both sides of the arc wall surface is in the range of 60 ° to 115 °.
特許文献３に記載されている樹脂容器は、胴部に凸部と非突出部とからなる連続模様が形成されており、内部に負圧が発生しても凹みにくくなっている。 The resin container described in Patent Document 3 has a continuous pattern formed of a convex part and a non-protruding part on the body part, and is difficult to dent even if negative pressure is generated inside.
特許文献４に記載されているプラスチックボトルには、凹部と凸部がアトランダムに多数配置された凹凸模様が形成されており、内部圧力の減少が生じた時に、その応力が、凹凸模様が形成された胴部の大半全体に分散して変形を生じさせることにより吸収されて、不定な変形を生じないという効果を有している。 The plastic bottle described in Patent Document 4 has a concavo-convex pattern in which a large number of concave portions and convex portions are arranged at random, and when the internal pressure decreases, the stress forms a concavo-convex pattern. It is absorbed by dispersing and generating deformation over almost the entire body, so that there is no effect of indefinite deformation.
特許文献５に記載された円筒状加飾容器は、円筒部分の外側面に、円筒部分の主軸方向が振幅方向でかつ円周方向が波長方向である帯状の波形が、円筒部分の主軸方向に沿って複数並列に配列されている。 The cylindrical decorative container described in Patent Document 5 has a strip-like waveform in which the principal axis direction of the cylindrical part is the amplitude direction and the circumferential direction is the wavelength direction on the outer surface of the cylindrical part in the principal axis direction of the cylindrical part. Are arranged in parallel.
特許文献１に開示されている、底板に減圧吸収部を設け、胴部に高さ方向に並列する複数の周状溝（ビード）から成る補強部を設けた合成樹脂製ボトル、或いは、特許文献２に開示されている、ボトル胴部に減圧吸収面（減圧吸収凹部）を配設したプラスチックボトルにおいては、胴部にラベル、特に熱収縮フィルムからなるシュリンクラベルを装着すると、ビードや減圧吸収凹部が合成樹脂製ボトルにおいて特有の外観を呈する。このような合成樹脂製ボトルの外観は、充填して密封される飲料の種類によっては容器としての外観適性を有さない場合がある。例えば、ガラス製や金属製のボトルと同様に、合成樹脂製ボトルの胴部の外観が真円の円筒状であることが好まれる場合がある。しかしながら、合成樹脂製ボトルにおいて、前述した減圧吸収性能と、ラベルを装着した胴部の外観が真円の円筒状を呈することとを両立させるのは困難であった。 Patent Document 1 discloses a synthetic resin bottle provided with a reduced pressure absorbing portion on the bottom plate and a reinforcing portion formed of a plurality of circumferential grooves (beads) arranged in parallel in the height direction on the body, or Patent Literature In a plastic bottle having a reduced pressure absorption surface (a reduced pressure absorption recess) disposed on the bottle body, as shown in Fig. 2, if a shrink label made of a heat shrink film is attached to the body, a bead or a reduced pressure absorption recess Presents a unique appearance in synthetic resin bottles. The appearance of such a synthetic resin bottle may not have appearance suitability as a container depending on the type of beverage to be filled and sealed. For example, as in the case of glass or metal bottles, it may be preferred that the outer appearance of the body of a synthetic resin bottle is a perfect circular cylinder. However, in the synthetic resin bottle, it has been difficult to achieve both the above-described reduced-pressure absorption performance and the appearance of the cylindrical portion with the label attached to the barrel portion.
特許文献３に開示されている樹脂容器は連続模様によって、特許文献４に開示されているプラスチックボトルはアトランダムに配置された凹凸模様によって、内部圧力の減少による変形（凹み）をそれぞれ抑制している。しかし、減圧吸収性能と真円状の胴部の外観とを両立させることは、特許文献３，４においても困難であった。
特許文献５に開示されている円筒状加飾容器は、実際は円柱形状であるにもかかわらず多角柱形状に見せることができるが、減圧吸収性能を発揮するための減圧吸収凹部は有しておらず、従って、減圧吸収凹部を有する胴部の外観を真円の円筒状に見せるための技術を何ら示唆していない。
The resin container disclosed in Patent Document 3 suppresses deformation (dent) due to a decrease in internal pressure by a continuous pattern, and the plastic bottle disclosed in Patent Document 4 by an uneven pattern arranged at random. Yes. However, in Patent Documents 3 and 4, it is difficult to achieve both the reduced pressure absorption performance and the appearance of the perfect circular body.
Although the cylindrical decorative container disclosed in Patent Document 5 can actually look like a polygonal column even though it is a columnar shape, it does not have a reduced pressure absorption recess for exerting reduced pressure absorption performance. Therefore, there is no suggestion of a technique for making the outer appearance of the body portion having the reduced pressure absorption concave portion look like a perfect circular cylinder.
本発明の目的は、内部の圧力低下を吸収する減圧吸収性能を有し、かつラベルを装着した胴部の外観が真円に近い円筒状に見える合成樹脂製ボトルを提供することにある。 An object of the present invention is to provide a synthetic resin bottle that has a reduced pressure absorption capability for absorbing a pressure drop inside, and that the appearance of a body portion to which a label is attached looks like a cylindrical shape close to a perfect circle.
本発明は、筒状の胴部を有する合成樹脂製ボトルにおいて、胴部は複数の減圧吸収凹部を有し、胴部の全周に亘って、複数の幾何形状部が規則的に並べて配置されていることを特徴とする。 The present invention relates to a synthetic resin bottle having a cylindrical body part, the body part having a plurality of reduced pressure absorption recesses, and a plurality of geometrically shaped parts are regularly arranged over the entire circumference of the body part. It is characterized by.
本発明によれば、内部圧力の低下を吸収する減圧吸収性能を有し、胴部の外観が真円に近い円筒状に見える合成樹脂製ボトルを実現することができる。 ADVANTAGE OF THE INVENTION According to this invention, the synthetic resin bottle which has the pressure reduction absorption capability which absorbs the fall of an internal pressure, and the external appearance of a trunk | drum looks like the cylinder shape near a perfect circle is realizable.
以下、本発明の実施の形態について図面を参照して説明する。
［合成樹脂製ボトルの基本構造］
図１は本発明の第１の実施形態の合成樹脂製ボトル１の正面図を示し、図２は、図１に示す合成樹脂製ボトル１からラベルを省略した要部の正面図を示し、図３は図２のＳ−Ｓ線における横断面形状を模式的に示している。この合成樹脂製ボトル１は、主にポリエチレンテレフタレート（ＰＥＴ）などの合成樹脂からなり、公知のブロー成形、例えば、射出成形や圧縮成形で成形した前成形体（プリフォーム）を二軸延伸ブロー成形することにより成形される。合成樹脂製ボトル１は、コーヒーや茶等の非炭酸飲料を収容して保存するものであり、特に、前述したアセプティック充填飲料に適している。この合成樹脂製ボトル１は、図１，２に示すように、下方から上方に向かって、ヒール部（底部）２と、筒状の胴部３と、上方に向かって先細になるテーパ状（略円錐状）の肩部４と、小径の首部５が設けられたボトルであり、ヒール部２の最下部（接地部）が平面（例えば机やテーブルの天面や床面等）の上に載置された状態で自立可能である。首部５の端部は飲み口となる開口部である。開口部の外周には雄ねじ部６が設けられており、飲料を充填した後、雌ねじ部（図示せず）を有するスクリューキャップ７（図２）がねじ込まれて封止される。図１に示すように、胴部３の外周にはラベル１１（図２，３では省略）が配置（装着）されている。ラベル１１としては、公知のロールラベル（巻きラベル）やシュリンクラベルが用いられる。
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[Basic structure of synthetic resin bottle]
FIG. 1 shows a front view of a synthetic resin bottle 1 according to a first embodiment of the present invention, and FIG. 2 shows a front view of a main part in which a label is omitted from the synthetic resin bottle 1 shown in FIG. 3 schematically shows the cross-sectional shape taken along the line SS in FIG. This synthetic resin bottle 1 is mainly made of a synthetic resin such as polyethylene terephthalate (PET), and biaxially stretched blow molding a preform (preform) formed by known blow molding, for example, injection molding or compression molding. To be molded. The synthetic resin bottle 1 stores and stores non-carbonated beverages such as coffee and tea, and is particularly suitable for the aforementioned aseptic filling beverage. As shown in FIGS. 1 and 2, the synthetic resin bottle 1 has a heel portion (bottom portion) 2, a cylindrical body portion 3, and a tapered shape (tapered upward) from below to above. The bottle is provided with a shoulder portion 4 having a substantially conical shape and a neck portion 5 having a small diameter, and the lowermost portion (grounding portion) of the heel portion 2 is on a flat surface (for example, a top surface or a floor surface of a desk or a table). It can stand on its own. An end portion of the neck portion 5 is an opening portion serving as a drinking mouth. A male screw part 6 is provided on the outer periphery of the opening, and after filling the beverage, a screw cap 7 (FIG. 2) having a female screw part (not shown) is screwed in and sealed. As shown in FIG. 1, a label 11 (not shown in FIGS. 2 and 3) is disposed (mounted) on the outer periphery of the body portion 3. As the label 11, a known roll label (winding label) or shrink label is used.
［胴部の構造］
図１〜３に示すように、合成樹脂製ボトル１の胴部３には、上下を円弧状とした複数（例えば８つ）の減圧吸収凹部（減圧吸収パネル）８が等間隔に配置され、減圧吸収凹部８同士の間にそれぞれ柱部９が設けられている。減圧吸収凹部８は、稜線によって輪郭が形成された細長い形状を有している。飲料がアセプティック（常温）充填飲料の場合、充填密封後、合成樹脂製ボトル１の内部圧力の低下は高温充填密封に対し比較的小さいため、減圧吸収凹部８を浅めに形成し、また、輪郭を明瞭な稜線で形成する必要はないので、縁を丸め、輪郭を目立ちにくくすることで、予め比較的円筒状に近い形状の胴部３とすることが可能である。減圧吸収凹部８の長手方向は胴部３の長手方向（上下方向）と一致するか、または胴部３の長手方向に対して傾斜することが好ましい。ただし、減圧吸収凹部８の長手方向は、胴部３の長手方向に対して直交していても構わないし、胴部３を取り囲む一繋がりの環状の減圧吸収凹部であってもよい。柱部９は円弧状壁面９ａからなり、図３に示す胴部３の横断面における全ての柱部９の円弧状壁面９ａが、仮想的な１つの真円１０の一部をそれぞれ構成している。一方、減圧吸収凹部８の壁面は凹状または平面状であり、全ての柱部９の円弧状壁面９ａを繋いで仮想的に構成する真円１０には重ならない。減圧吸収凹部８と柱部９（円弧状壁面９ａ）との境界には、減圧吸収凹部８の長手方向に延びる稜線１３が位置している（図２，３参照）。そして、本発明では、胴部３の外周が真円であるかのような錯視を引き起こすための加飾部１２が、胴部３の外周全体に亘って設けられている。加飾部１２は、微小な幾何形状部（図１に示す例では微小な平行四辺形）１２ａが規則的に配列されたものであり、特に、幾何形状部１２ａが、減圧吸収凹部８の長手方向に延びる稜線１３に対して交差する方向に並ぶように配列されている。
[Body structure]
As shown in FIGS. 1 to 3, a plurality of (e.g., eight) reduced-pressure absorption recesses (reduced-pressure absorption panels) 8 having an upper and lower arc shape are arranged at equal intervals on the body portion 3 of the synthetic resin bottle 1. A column portion 9 is provided between each of the reduced pressure absorption recesses 8. The reduced pressure absorption recess 8 has an elongated shape with a contour formed by a ridgeline. In the case where the beverage is an aseptic (normal temperature) filled beverage, the decrease in the internal pressure of the synthetic resin bottle 1 after filling and sealing is relatively small compared to the high temperature filling and sealing. Since it is not necessary to form with a clear ridgeline, it is possible to make the body portion 3 of a shape relatively close to a cylinder in advance by rounding the edge and making the contour less conspicuous. It is preferable that the longitudinal direction of the reduced pressure absorbing recess 8 coincides with the longitudinal direction (vertical direction) of the body part 3 or is inclined with respect to the longitudinal direction of the body part 3. However, the longitudinal direction of the reduced pressure absorption recess 8 may be orthogonal to the longitudinal direction of the body 3, or may be a continuous annular reduced pressure absorption recess surrounding the body 3. The column portion 9 is composed of an arc-shaped wall surface 9a, and the arc-shaped wall surfaces 9a of all the column portions 9 in the cross section of the trunk portion 3 shown in FIG. Yes. On the other hand, the wall surface of the reduced pressure absorption recess 8 is concave or planar, and does not overlap the perfect circle 10 that virtually connects the arcuate wall surfaces 9a of all the column portions 9. A ridge line 13 extending in the longitudinal direction of the reduced pressure absorbing recess 8 is located at the boundary between the reduced pressure absorbing recess 8 and the column portion 9 (arc-shaped wall surface 9a) (see FIGS. 2 and 3). And in this invention, the decoration part 12 for causing the optical illusion as if the outer periphery of the trunk | drum 3 is a perfect circle is provided over the outer periphery of the trunk | drum 3. As shown in FIG. The decorating part 12 is a structure in which minute geometrically shaped parts (minute parallelograms in the example shown in FIG. 1) 12a are regularly arranged. They are arranged so as to line up in a direction intersecting with the ridge line 13 extending in the direction.
［本発明の技術的思想］
本発明の技術的思想について説明する。
従来の一般的な合成樹脂製ボトルは、図４，５に示すように、胴部３の外周が、減圧吸収凹部８と、円弧状壁面９ａ（図５参照）を有する柱部９とが交互に並んで位置する構成を有し、このような胴部３の外周にラベル１１が装着されている（図４参照）。胴部３の外周にラベル１１が装着され、減圧吸収凹部８は覆われることにより、ラベル１１に透明部や半透明部がある場合でもラベル１１の上から減圧吸収凹部８自体は若干目立たなくなる。しかし、図４に示すように、減圧吸収凹部８の長手方向に延び減圧吸収凹部８の輪郭を形成する稜線（減圧吸収凹部８と柱部９との境界に位置する稜線）１３は、ラベル１１の上からであっても目立ちやすく、稜線１３が目立つことによって、胴部３の外周が真円ではないと認識されやすい。
[Technical idea of the present invention]
The technical idea of the present invention will be described.
As shown in FIGS. 4 and 5, in the conventional general synthetic resin bottle, the outer periphery of the body portion 3 is alternately composed of the reduced pressure absorption recesses 8 and the column portions 9 having arcuate wall surfaces 9 a (see FIG. 5). The label 11 is attached to the outer periphery of the trunk portion 3 (see FIG. 4). By attaching the label 11 to the outer periphery of the body 3 and covering the reduced pressure absorption recess 8, the reduced pressure absorption recess 8 itself is slightly inconspicuous from above the label 11 even when the label 11 has a transparent portion or a translucent portion. However, as shown in FIG. 4, the ridge line 13 (the ridge line located at the boundary between the reduced pressure absorption recess 8 and the column 9) 13 extending in the longitudinal direction of the reduced pressure absorption recess 8 and forming the outline of the reduced pressure absorption recess 8 is formed on the label 11. Even if it is from above, it is easily noticeable, and the ridgeline 13 is conspicuous, so that it is easy to recognize that the outer periphery of the body 3 is not a perfect circle.
そこで、本発明では、稜線１３が視認されにくくなるように、図２に示す通り、稜線１３に交差する方向に沿って並ぶように微小な幾何形状部（例えば微小な平行四辺形）１２ａを配列している。稜線１３と幾何形状部１２ａの列が交差することによって稜線１３が目立たなくなって、減圧吸収凹部８と柱部９との境界が認識されにくくなる。その結果、胴部３全体が稜線１３や減圧吸収凹部８の存在しない曲面状の真円または真円に近い形状であるかのように見える錯視効果が得られる。このような幾何形状部１２ａからなる加飾部１２を設けることによって、減圧吸収凹部８を有する胴部３全体の大まかな外形は変更していないにもかかわらず、錯視によって真円に近い印象を与えることが可能である。特に、図１に示すように、胴部３に透明部や半透明部を備えるラベル１１を装着した状態で見ると、より効果的である。 Therefore, in the present invention, as shown in FIG. 2, the minute geometric shape portions (for example, minute parallelograms) 12 a are arranged so as to be aligned along the direction intersecting the ridge line 13 so that the ridge line 13 is hardly visually recognized. doing. The intersection of the ridge line 13 and the row of the geometrical portion 12a makes the ridge line 13 inconspicuous and makes it difficult to recognize the boundary between the reduced pressure absorption recess 8 and the column portion 9. As a result, an illusion effect is obtained in which the entire body portion 3 looks as if it is a curved perfect circle or a shape close to a perfect circle without the ridgeline 13 or the reduced pressure absorption recess 8. By providing the decorative portion 12 composed of such a geometrically shaped portion 12a, an impression that is close to a perfect circle is obtained by an illusion, although the rough outer shape of the entire body portion 3 having the reduced pressure absorption recess 8 is not changed. It is possible to give. In particular, as shown in FIG. 1, it is more effective when viewed in a state where a label 11 having a transparent part or a semi-transparent part is attached to the body part 3.
図１〜３に示す実施形態では、胴部３の外周において稜線１３に交差するとともに互いに交差する２つの方向にそれぞれ延びる直線である溝１２ｂ，１２ｃを多数形成することによって、溝１２ｂ，１２ｃに囲まれた微小な四角形（平行四辺形）の部分が相対的に凸状になっている。この部分を、便宜上、幾何形状部１２ａと称している。このようにして形成された平行四辺形の凸状の幾何形状部１２ａは、その輪郭となる溝１２ｂ，１２ｃに沿って並べて配列されており、すなわち稜線１３に交差する方向に並んで位置する。 In the embodiment shown in FIGS. 1 to 3, the grooves 12 b and 12 c are formed in the grooves 12 b and 12 c by forming a large number of grooves 12 b and 12 c that are straight lines that intersect the ridge line 13 and extend in two directions intersecting each other on the outer periphery of the trunk portion 3. The enclosed small quadrangular (parallelogram) portion is relatively convex. This portion is referred to as a geometric shape portion 12a for convenience. The parallelogram-shaped convex geometrical portions 12a formed in this way are arranged side by side along the grooves 12b and 12c serving as the contours thereof, that is, are arranged side by side in a direction intersecting the ridgeline 13.
［幾何形状部の詳細な構成］
このような加飾部１２の形状や寸法について説明する。幾何形状部１２ａの輪郭を構成する直線である溝１２ｂ，１２ｃに関しては、全ての溝１２ｂ，１２ｃが同一の幅である必要は無い。例えば、図６，７に拡大して示すように、溝１２ｂ，１２ｃの中には太い溝１２ｂ１，１２ｃ１が含まれていてもよい。太い溝１２ｂ１，１２ｃ１は、ランダムに配置されるのではなく、周期的に配置されていることが好ましい。そして、これらの太い溝１２ｂ１，１２ｃ１を含む溝１２ｂ，１２ｃの幅は、幾何形状部１２ａの幅の５％〜１００％の範囲であることが好ましい。仮に、溝の幅が幾何形状部１２ａの幅の５％よりも小さいと溝が視認しにくくなるという問題が生じ、幾何形状部１２ａの幅の１００％よりも大きいと、幾何形状部１２ａや溝１２ｂ，１２ｃがそれぞれ際立たなくなり、錯視効果が小さくなる。ここで言う幅とは、一方の溝（直線）および幾何形状部の、他方の溝（直線）に平行な方向の寸法である。図７には、溝１２ｃに平行な方向における溝１２ｂの寸法（幅）と、それと同じ方向における幾何形状部１２ａの寸法（幅）を示している。図示しないが、溝１２ｂに平行な方向における溝１２ｃの寸法（幅）と、それと同じ方向における幾何形状部１２ａの寸法（幅）も、同様な数値範囲（５％〜１００％）内であることが好ましい。
[Detailed configuration of geometric part]
The shape and dimension of such a decoration part 12 are demonstrated. Regarding the grooves 12b and 12c, which are straight lines constituting the contour of the geometric shape portion 12a, it is not necessary that all the grooves 12b and 12c have the same width. For example, as shown in enlarged views in FIGS. 6 and 7, the grooves 12b and 12c may include thick grooves 12b 1 and 12c 1 . The thick grooves 12b 1 and 12c 1 are preferably arranged periodically rather than randomly. Then, these thick grooves 12b 1, 12c 1 groove 12b including the width of 12c is preferably in the range 5% to 100% of the width of the geometry portion 12a. If the width of the groove is smaller than 5% of the width of the geometric shape portion 12a, there is a problem that the groove is difficult to see. If the width of the groove is larger than 100% of the width of the geometric shape portion 12a, the geometric shape portion 12a or the groove 12b and 12c do not stand out, and the illusion effect is reduced. The width referred to here is a dimension in a direction parallel to the other groove (straight line) of one groove (straight line) and the geometric shape portion. FIG. 7 shows the dimension (width) of the groove 12b in the direction parallel to the groove 12c and the dimension (width) of the geometric shape portion 12a in the same direction. Although not shown, the dimension (width) of the groove 12c in the direction parallel to the groove 12b and the dimension (width) of the geometric shape part 12a in the same direction are also in the same numerical range (5% to 100%). Is preferred.
溝１２ｂ，１２ｃの深さが異なる複数の合成樹脂製ボトルを示す図８を見ると、溝１２ｂ，１２ｃの深さは０．１ｍｍ〜０．５ｍｍであることが好ましい。溝１２ｂ，１２ｃが０．１ｍｍよりも浅いと、稜線１３を目立たなくする効果が小さく、さらにブロー成形時の賦形性が悪いと、溝１２ｂ，１２ｃ自体が見えなくなる。溝１２ｂ，１２ｃが０．５ｍｍよりも深いと、合成樹脂製ボトル１の強度に支障を生じたり、減圧吸収凹部の減圧変形を阻害したり、あるいは、ブロー成形金型側に高い突条を設けなければならないため金型耐久性が劣ったり、ブロー成形後の離型時に合成樹脂製ボトル１を金型突条で傷つけるという問題が生じる。 Looking at FIG. 8 showing a plurality of synthetic resin bottles having different depths of the grooves 12b and 12c, the depth of the grooves 12b and 12c is preferably 0.1 mm to 0.5 mm. If the grooves 12b and 12c are shallower than 0.1 mm, the effect of making the ridge line 13 inconspicuous is small, and if the formability during blow molding is poor, the grooves 12b and 12c themselves cannot be seen. If the grooves 12b and 12c are deeper than 0.5 mm, the strength of the synthetic resin bottle 1 will be hindered, the reduced pressure deformation of the reduced pressure absorbing recess will be hindered, or a high protrusion will be provided on the blow molding die side. Therefore, there is a problem that the mold durability is inferior or the synthetic resin bottle 1 is damaged by the mold ridges at the time of releasing after blow molding.
図９（ａ）に示す溝１２ｂ，１２ｃが稜線１３に交差する角度θは、図９（ｂ）に示すように１０°〜８０°であることが好ましい。溝１２ｂ，１２ｃの角度θがこの範囲を外れると、幾何形状部１２ａが稜線１３と垂直または平行に近い方向に並んで位置するため、稜線１３を目立たなくする効果が小さい。 The angle θ at which the grooves 12b and 12c shown in FIG. 9A intersect the ridge line 13 is preferably 10 ° to 80 ° as shown in FIG. 9B. When the angle θ of the grooves 12b and 12c is out of this range, the geometrical portion 12a is positioned side by side in a direction perpendicular to or parallel to the ridge line 13, so the effect of making the ridge line 13 inconspicuous is small.
幾何形状部１２ａの大きさは、図１０に示すように，輪郭を形成する溝１２ｂ，１２ｃの中心線に囲まれた範囲（図１０（ｂ）のＢ部分）の面積が３ｍｍ２〜１５ｍｍ２の範囲内であることが好ましい。幾何形状部１２ａが小さすぎると（３ｍｍ２より小さいと）、ブロー成形時の賦形性が悪くなり、幾何形状や溝の形がぼやけやすくなるため、不規則で細かい凹凸粗面と大差なくなり、賦形稜線１３が目立ち、錯視効果が小さくなる。幾何形状部１２ａが大きすぎると（１５ｍｍ２よりも大きいと）、稜線１３はあまり目立たなくならず、胴部３が円筒状であるような印象を与える錯視効果が小さい。 The size of the geometry portion 12a, FIG. As shown in 10, the grooves 12b, the range surrounded by the center line of 12c (FIG. 10 (b) of the B portion) area 3mm 2 ~15mm 2 of forming the contour It is preferable to be within the range. If the geometric shape portion 12a is too small (less than 3 mm 2 ), the formability at the time of blow molding is deteriorated, and the geometric shape and the shape of the groove are easily blurred. The shaped ridge 13 is conspicuous and the illusion effect is reduced. If the geometrical portion 12a is too large (greater than 15 mm 2 ), the ridge line 13 does not stand out so much that the illusion effect that gives the impression that the body 3 is cylindrical is small.
また、幾何形状部１２ａは四角形（平行四辺形）に限られず、角部が丸みを帯びた四角形や円形状や楕円形状等でもよく、図６，７に示す構成に追加の溝や切り欠き部が付け加えられることによって形成された平行四辺形以外の多角形状（三角形または五角形以上の多角形など）であってもよい。幾何形状部が多角形の場合、いずれかの辺に沿って並ぶように配列させ、稜線に対し交差させると、幾何形状部の配列に加え、溝や突条による錯視効果も得られるので好ましい。なお、多角形は、角部が丸み付けられた形状であってもよい。 Further, the geometric shape portion 12a is not limited to a quadrangle (parallelogram), but may be a quadrangular shape with rounded corners, a circular shape, an elliptical shape, or the like. Additional grooves or notches in the configuration shown in FIGS. It may be a polygonal shape other than the parallelogram formed by adding (such as a triangle or a pentagon or more polygon). In the case where the geometric shape portion is a polygon, it is preferable that the geometric shape portion is arranged along one of the sides and intersects with the ridgeline because an illusion effect due to grooves and protrusions is obtained in addition to the arrangement of the geometric shape portion. The polygon may have a shape with rounded corners.
図１１（ａ）に示す実施形態では、胴部３の外周に刻設された溝１２ｂ，１２ｃによって、相対的に凸状になった平行四辺形等の幾何形状部１２ａによって加飾部１２を構成している。しかし、本発明の加飾部はこのような構成に限定されない。図１１（ｂ）に示すように、溝１２ｂ，１２ｃの代わりに、例えば、胴部３の外周から外側に盛り上がる直線状の突条１４ｂ，１４ｃを形成し、突条１４ｂ，１４ｃに囲まれて相対的に凹状になっている微小な四角形（平行四辺形）の幾何形状部１４ａを形成することもできる。すなわち、図１１（ａ）に示すように凸状の幾何形状部１２ａからなる加飾部１２であっても、図１１（ｂ）に示すように、凹状の幾何形状部１４ａからなる加飾部１４であっても、胴部３の外形が真円であるような印象を与える錯視効果を奏することができる。 In the embodiment shown in FIG. 11A, the decorative portion 12 is formed by a geometrical portion 12a such as a parallelogram that is relatively convex by the grooves 12b and 12c formed on the outer periphery of the body portion 3. It is composed. However, the decoration part of this invention is not limited to such a structure. As shown in FIG. 11 (b), instead of the grooves 12b and 12c, for example, linear ridges 14b and 14c swelling outward from the outer periphery of the trunk portion 3 are formed and surrounded by the ridges 14b and 14c. It is also possible to form a minute quadrangular (parallelogram) geometric shape portion 14a that is relatively concave. That is, even if it is the decoration part 12 which consists of a convex geometric shape part 12a as shown to Fig.11 (a), as shown in FIG.11 (b), the decoration part which consists of a concave geometric shape part 14a Even if it is 14, the optical illusion effect which gives the impression that the external shape of the trunk | drum 3 is a perfect circle can be show | played.
また、本実施形態に係る凸状または凹状の幾何形状部１２ａ，１４ａを有する加飾部１２，１４が設けられた合成樹脂製ボトルによると、高温の飲料が封入された場合に、合成樹脂製ボトルを保持した際に熱さを感じさせにくくする（熱を伝えにくくする）という効果も得られる。これは、凸状または凹状の幾何形状部１２ａ，１４ａが存在することによって、胴部３とラベル１１との接触面積が小さくなり、熱の伝達が小さくなることが主な原因であると考えられる。 Moreover, according to the synthetic resin bottle provided with the decorative portions 12 and 14 having the convex or concave geometric shape portions 12a and 14a according to the present embodiment, when a high-temperature beverage is enclosed, the synthetic resin An effect of making it difficult to feel the heat when holding the bottle (to make it difficult to transmit heat) is also obtained. This is considered to be mainly due to the presence of the convex or concave geometrical portions 12a and 14a, which reduces the contact area between the body 3 and the label 11 and reduces heat transfer. .
本発明は、胴部３の外周に凸状または凹状の幾何形状部を形成することによって加飾部を設ける構成に限られない。すなわち、図示しないが、胴部３には加飾部を設けず、胴部３の外周に配置されるラベル１１に印刷によって幾何形状部を形成することによって加飾部を設けることもできる。その場合、幾何形状部は三次元的（立体的）な構造を持たない二次元的（平面的）な模様であるが、胴部３の外形が真円であるような印象を与える錯視効果を奏することができる。 The present invention is not limited to the configuration in which the decorative portion is provided by forming a convex or concave geometric portion on the outer periphery of the trunk portion 3. That is, although not shown in the drawings, the decorating part can be provided by forming the geometric part by printing on the label 11 arranged on the outer periphery of the torso 3 without providing the decorating part in the torso 3. In that case, the geometrical portion is a two-dimensional (planar) pattern having no three-dimensional (three-dimensional) structure, but has an illusion effect that gives the impression that the outer shape of the body 3 is a perfect circle. Can play.
以上説明した本発明の合成樹脂製ボトルは、減圧吸収凹部８が減圧を十分に吸収して容器１の変形を小さく抑えるという減圧吸収性能を維持しつつ、ラベル１１が貼り付けられた胴部３の外観が真円の円筒状に見えるという効果が得られる。幾何形状部が平行四辺形以外の形状である場合や、凸状ではなく凹状である場合や、ラベルへの印刷により形成された２次元的な模様である場合にも、前述した形状や寸法の関係（２次元的な模様の場合は深さや高さ関係は除く）を有していることが好ましい。 In the synthetic resin bottle of the present invention described above, the body 3 to which the label 11 is attached is maintained while maintaining the reduced pressure absorption performance that the reduced pressure absorption recess 8 sufficiently absorbs the reduced pressure and suppresses the deformation of the container 1. The appearance of can be seen as a perfect circular cylinder. Even when the geometric shape portion is a shape other than a parallelogram, a concave shape instead of a convex shape, or a two-dimensional pattern formed by printing on a label, the shape and dimensions described above are used. It is preferable to have a relationship (excluding depth and height relationships in the case of a two-dimensional pattern).
なお、合成樹脂製ボトルの減圧吸収凹部８は、上下方向に沿って延びる形状のものに限られず、上下方向に対して傾斜する減圧吸収凹部８や、水平方向に延びる減圧吸収凹部８であってもよい。それらの場合にも、複数の幾何形状部が、減圧吸収凹部の長手方向に延び減圧吸収凹部の輪郭を形成する稜線に対して交差する方向に並ぶように配列されることが好ましい。
また、本発明の合成樹脂製ボトルは、アセプティック（常温）充填飲料に限らず、高温充填飲料に用いてもよい。その際、減圧吸収凹部８の凹みや稜線を極力抑えるのが好ましい。例えば、公知のボトル底部による減圧吸収を併用して減圧吸収凹部８の負荷を低減するのが好ましい。
また、透明部や半透明部を有するラベル１１は必須ではない。ラベル１１は胴部３（減圧吸収凹部３）に部分的に装着してもよい。その際、ラベルが本発明の加飾部を備えず、全面不透明であっても、未装着部は錯視効果により円筒状に見える効果を有する。また、ラベル１１は不要であれば、装着しなくてもよい。
Note that the reduced pressure absorption recess 8 of the synthetic resin bottle is not limited to a shape extending in the vertical direction, and is a vacuum absorption recess 8 that is inclined with respect to the vertical direction or a vacuum absorption recess 8 that extends in the horizontal direction. Also good. Also in these cases, it is preferable that the plurality of geometrical portions are arranged so as to be aligned in a direction that extends in the longitudinal direction of the reduced pressure absorption recess and intersects with a ridge line that forms the contour of the reduced pressure absorption recess.
The synthetic resin bottle of the present invention is not limited to an aseptic (normal temperature) filled beverage, but may be used for a hot filled beverage. In that case, it is preferable to suppress the dent and ridgeline of the reduced pressure absorption recess 8 as much as possible. For example, it is preferable to reduce the load of the reduced pressure absorption recess 8 by using a known reduced pressure absorption by the bottom of the bottle together.
Further, the label 11 having a transparent part or a semi-transparent part is not essential. The label 11 may be partially attached to the body 3 (the reduced pressure absorption recess 3). At this time, even if the label does not include the decorative portion of the present invention and the entire surface is opaque, the unmounted portion has an effect of appearing cylindrical due to the illusion effect. Further, if the label 11 is unnecessary, it may not be attached.
１ 合成樹脂製ボトル
２ ヒール部（底部）
３ 胴部
４ 肩部
５ 首部
６ 雄ねじ部
７ スクリューキャップ
８ 減圧吸収凹部
９ 柱部
９ａ 円弧状壁面
１０ 仮想的な真円
１１ ラベル
１２，１４ 加飾部
１２ａ，１４ａ 幾何形状部
１２ｂ，１２ｃ 溝（直線）
１３ 稜線
１４ｂ，１４ｃ 突条（直線）
1 Plastic bottle 2 Heel (bottom)
3 body part 4 shoulder part 5 neck part 6 male thread part 7 screw cap 8 decompression absorption recessed part 9 pillar part 9a arcuate wall surface 10 virtual perfect circle 11 label 12, 14 decoration part 12a, 14a geometric shape part 12b, 12c groove ( Straight line)
13 Ridge lines 14b, 14c Projection (straight line)
Claims (12)
前記胴部は複数の減圧吸収凹部を有し、
前記胴部の全周に亘って、複数の幾何形状部が規則的に並べて配置されていることを特徴とする合成樹脂製ボトル。 In a synthetic resin bottle having a cylindrical body,
The barrel has a plurality of vacuum absorbing recesses,
A synthetic resin bottle characterized in that a plurality of geometric shapes are regularly arranged over the entire circumference of the body portion.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016228096A JP2018083650A (en) | 2016-11-24 | 2016-11-24 | Synthetic resin bottle |
| EP17848530.6A EP3511257A4 (en) | 2016-09-06 | 2017-08-15 | RESIN BOTTLE |
| CN201780054404.0A CN109715506B (en) | 2016-09-06 | 2017-08-15 | synthetic resin bottle |
| PCT/JP2017/029375 WO2018047586A1 (en) | 2016-09-06 | 2017-08-15 | Synthetic resin bottle |
| US16/330,686 US12030707B2 (en) | 2016-09-06 | 2017-08-15 | Synthetic resin bottle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016228096A JP2018083650A (en) | 2016-11-24 | 2016-11-24 | Synthetic resin bottle |
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| Publication Number | Publication Date |
|---|---|
| JP2018083650A true JP2018083650A (en) | 2018-05-31 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| JP2016228096A Pending JP2018083650A (en) | 2016-09-06 | 2016-11-24 | Synthetic resin bottle |
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| JP (1) | JP2018083650A (en) |
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|---|---|---|---|---|
| JP2020200088A (en) * | 2019-06-11 | 2020-12-17 | メビウスパッケージング株式会社 | Multiple container |
| JP2021147067A (en) * | 2020-03-17 | 2021-09-27 | 大商硝子株式会社 | Decorative container |
| JP2022091380A (en) * | 2020-12-09 | 2022-06-21 | ライオン株式会社 | Synthetic resin container |
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- 2016-11-24 JP JP2016228096A patent/JP2018083650A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002370721A (en) * | 2001-06-13 | 2002-12-24 | Toyo Seikan Kaisha Ltd | Synthetic resin bottle |
| JP2006321522A (en) * | 2005-05-18 | 2006-11-30 | Dainippon Printing Co Ltd | Synthetic resin housing |
| JP2006335383A (en) * | 2005-05-31 | 2006-12-14 | Yoshino Kogyosho Co Ltd | Synthetic resin housing |
| WO2015187761A1 (en) * | 2014-06-06 | 2015-12-10 | The Procter & Gamble Company | Faceted container |
| JP2016108016A (en) * | 2014-12-05 | 2016-06-20 | サントリーホールディングス株式会社 | Resin container |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020200088A (en) * | 2019-06-11 | 2020-12-17 | メビウスパッケージング株式会社 | Multiple container |
| JP7324620B2 (en) | 2019-06-11 | 2023-08-10 | メビウスパッケージング株式会社 | multiple container |
| JP2021147067A (en) * | 2020-03-17 | 2021-09-27 | 大商硝子株式会社 | Decorative container |
| JP2022091380A (en) * | 2020-12-09 | 2022-06-21 | ライオン株式会社 | Synthetic resin container |
| JP7576970B2 (en) | 2020-12-09 | 2024-11-01 | ライオン株式会社 | Plastic containers |
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