JP6775921B2 - A bottle with a corrugated peripheral groove on the body - Google Patents

A bottle with a corrugated peripheral groove on the body Download PDF

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JP6775921B2
JP6775921B2 JP2015147391A JP2015147391A JP6775921B2 JP 6775921 B2 JP6775921 B2 JP 6775921B2 JP 2015147391 A JP2015147391 A JP 2015147391A JP 2015147391 A JP2015147391 A JP 2015147391A JP 6775921 B2 JP6775921 B2 JP 6775921B2
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bottle
peripheral groove
corrugated
approaching
linear
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JP2017024775A (en
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鈴木　孝典
孝典 鈴木
飯塚　高雄
高雄 飯塚
昌均 小池
昌均 小池
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Yoshino Kogyosho Co Ltd
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Yoshino Kogyosho Co Ltd
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Description

本発明は、ボトルに関するものである。 The present invention relates to bottles.

合成樹脂材料で有底筒状に形成されたボトルとして、従来から、胴部に、全周にわたって連続して延びる直線状周溝と、側面視で、直線状周溝から離れる向きに突となる離間山部及び直線状周溝に接近する向きに突となる接近山部を周方向に交互に連設することによって形成された波形周溝と、が形成されている構成が知られている（例えば、特許文献１参照）。 As a bottle formed of a synthetic resin material in a bottomed tubular shape, conventionally, a linear circumferential groove extending continuously over the entire circumference and a protrusion in a direction away from the linear circumferential groove in the side view are provided. It is known that a corrugated peripheral groove formed by alternately connecting a separated mountain portion and an approaching mountain portion that protrudes in a direction approaching a linear peripheral groove in the circumferential direction is formed (). For example, see Patent Document 1).

特開２０１５−０８５９８６号公報JP 2015-085986

しかしながら、このようなボトルでは、直線状周溝と波形周溝との上下方向の間隔に周方向でばらつきが生じてしまうので、上下方向の間隔が大きい箇所においてボトル径方向内側に向けた負荷に対する剛性が低下し、ボトル内の減圧時に胴部に潰れが発生することがある。 However, in such a bottle, the vertical distance between the linear peripheral groove and the corrugated peripheral groove varies in the vertical direction. Therefore, in a place where the vertical distance is large, the load toward the inside in the bottle radial direction is applied. The rigidity is reduced, and the body may be crushed when the pressure inside the bottle is reduced.

本発明は、前述の課題に鑑みてなされたもので、ボトル径方向内側への負荷に対する剛性の高めたボトルを提供することを目的とする。 The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to provide a bottle having increased rigidity against a load inward in the radial direction of the bottle.

本発明は、上記のような課題を解決するために以下のような手段を採用した。すなわち、本発明のボトルは、合成樹脂材料で有底筒状に形成されたボトルであって、胴部には、全周にわたって連続して延び、当該ボトルのボトル軸方向で間隔をあけた一対の直線状周溝と、一対の前記直線状周溝間にあり、当該ボトルを前記ボトル軸に直交する径方向外側から見た側面視で、一方の前記直線状周溝から離れる向きに突となる離間山部及び前記一方の直線状周溝に接近する向きに突となる接近山部を前記ボトル軸回りの周方向に交互に連設することによって形成され、互いに位相を揃えて前記ボトル軸方向で間隔をあけて複数形成された波形周溝と、前記一方の直線状周溝及び前記離間山部の間に位置し、前記周方向に間隔をあけて複数形成され、前記周方向に細長い補強リブと、が形成されていることを特徴とする。 The present invention employs the following means in order to solve the above problems. That is, the bottle of the present invention is a bottle formed of a synthetic resin material in a bottomed tubular shape, and extends continuously over the entire circumference of the body, and is spaced apart in the bottle axial direction of the bottle. a linear circumferential groove of the located between a pair of the straight circumferential groove, and butt the bottle in a side view as viewed from a radially outward perpendicular to the bottle axis, in a direction away from one of the straight circumferential groove The separated ridges and the approaching ridges protruding in the direction approaching one of the linear circumferential grooves are alternately connected in the circumferential direction around the bottle axis, and the bottle shafts are aligned with each other. It is located between a plurality of corrugated circumferential grooves formed at intervals in the direction, one of the linear circumferential grooves and the separated mountain portion, and is formed at intervals in the circumferential direction, and is elongated in the circumferential direction. a reinforcing rib, characterized by Tei Rukoto is formed.

この発明では、直線状周溝と波形周溝との間のボトル軸方向の間隔が大きくなる直線状周溝と離間山部との間に補強リブを設けることにより、直線状周溝と離間山部との間におけるボトル径方向の内側に向けた負荷に対する剛性が高められ、周方向における直線状周溝と波形周溝との間の上記剛性のばらつきを軽減できる。これにより、ボトル内の減圧時に胴部に潰れが発生することを抑制できる。 In the present invention, the linear peripheral groove and the separating mountain are provided by providing a reinforcing rib between the linear peripheral groove and the separating mountain portion where the distance between the linear peripheral groove and the corrugated peripheral groove in the bottle axial direction becomes large. The rigidity with respect to the load toward the inside in the bottle radial direction between the portions is increased, and the variation in rigidity between the linear peripheral groove and the corrugated peripheral groove in the circumferential direction can be reduced. As a result, it is possible to prevent the body from being crushed when the pressure inside the bottle is reduced.

また、本発明のボトルでは、前記補強リブの少なくとも一部が、前記接近山部の頂部と前記ボトル軸方向の位置が同じ位置に配置されてもよい。
この場合では、接近山部の頂部と補強リブとのボトル軸方向の位置を揃えることにより、周方向における直線状周溝と波形周溝との間の上記剛性のばらつきをさらに抑制できる。 Further, in the bottle of the present invention, at least a part of the reinforcing ribs may be arranged at the same position as the top of the approaching mountain portion in the bottle axial direction.
In this case, by aligning the positions of the top of the approaching mountain portion and the reinforcing rib in the bottle axial direction, the variation in rigidity between the linear peripheral groove and the corrugated peripheral groove in the circumferential direction can be further suppressed.

この発明にかかるボトルによれば、ボトル径方向内側への負荷に対する剛性の高めることができる。 According to the bottle according to the present invention, the rigidity against a load inward in the radial direction of the bottle can be increased.

本発明の一実施形態にかかるボトルを示す側面図である。It is a side view which shows the bottle which concerns on one Embodiment of this invention.

以下、本発明によるボトルの一実施形態を、図面に基づいて説明する。なお、以下の説明に用いる各図面では、各部材を認識可能な大きさとするために縮尺を適宜変更している。 Hereinafter, an embodiment of the bottle according to the present invention will be described with reference to the drawings. In each drawing used in the following description, the scale is appropriately changed in order to make each member a recognizable size.

本実施形態にかかるボトル１は、例えば高温の内容物を充填した後に図示しないキャップで封止される、いわゆる減圧ボトルであり、例えばポリエチレンテレフタレートや、ポリエチレンナフタレート、非晶質ポリエステル、これらのブレンド材料など、適宜の合成樹脂材料で形成されている。また、ボトル１は、図１に示すように、有底円筒状をなしており、円筒状の口部１１、円筒状の肩部１２、円筒状の胴部１３及び有底円筒状の底部１４を備える。ボトル１は、合成樹脂材料で一体に形成されている。
ここで、口部１１、肩部１２、胴部１３及び底部１４は、それぞれの中心軸線が共通軸上に位置する状態で配設されている。以下、この共通軸をボトル軸Ｏと称し、図１においてボトル軸Ｏに沿って底部１４から口部１１に向かう方向を上方、その逆方向を下方とする。また、ボトル軸Ｏから見た平面視でボトル軸Ｏに直交する方向を径方向、ボトル軸Ｏ回りに周回する方向を周方向とする。 The bottle 1 according to the present embodiment is, for example, a so-called decompression bottle that is filled with a high-temperature content and then sealed with a cap (not shown), for example, polyethylene terephthalate, polyethylene naphthalate, amorphous polyester, or a blend thereof. It is made of an appropriate synthetic resin material such as a material. Further, as shown in FIG. 1, the bottle 1 has a bottomed cylindrical shape, and has a cylindrical mouth portion 11, a cylindrical shoulder portion 12, a cylindrical body portion 13, and a bottomed cylindrical bottom portion 14. To be equipped. The bottle 1 is integrally formed of a synthetic resin material.
Here, the mouth portion 11, the shoulder portion 12, the body portion 13, and the bottom portion 14 are arranged in a state where their respective central axes are located on a common axis. Hereinafter, this common shaft is referred to as a bottle shaft O, and in FIG. 1, the direction from the bottom portion 14 to the mouth portion 11 along the bottle shaft O is upward, and the opposite direction is downward. Further, the direction orthogonal to the bottle axis O in a plan view from the bottle axis O is the radial direction, and the direction of orbiting around the bottle axis O is the circumferential direction.

口部１１には、上記キャップが螺着される。
肩部１２は、口部１１の下端に連設されており、内径及び外径が下方に向かうにしたがって漸次拡径する円錐台状をなしている。
胴部１３には、全周にわたって連続して延びる上下２本の直線状周溝２１、２２と、径方向外側から見た側面視で、上下方向に屈曲しながら周方向に沿って周期的に延びる波形状を呈する上下２本の波形周溝２３、２４と、直線状周溝２１及び波形周溝２３の間並びに直線状周溝２２及び波形周溝２４の間に各別に位置する補強リブ２５、２６と、波形周溝２３、２４から各別に延在する補助リブ２７、２８と、が形成されている。 The cap is screwed onto the mouth portion 11.
The shoulder portion 12 is continuously provided at the lower end of the mouth portion 11 and has a truncated cone shape in which the inner and outer diameters gradually increase as the inner and outer diameters go downward.
The body 13 has two vertical grooves 21 and 22 extending continuously over the entire circumference, and a side view seen from the outside in the radial direction, bending in the vertical direction and periodically along the circumferential direction. Reinforcing ribs 25 located separately between the two upper and lower corrugated peripheral grooves 23 and 24 having an extending wave shape, between the linear peripheral groove 21 and the corrugated peripheral groove 23, and between the linear peripheral groove 22 and the corrugated peripheral groove 24. , 26, and auxiliary ribs 27, 28 extending separately from the corrugated peripheral grooves 23, 24 are formed.

直線状周溝２１、２２は、上下方向に間隔をあけて形成されている。
波形周溝２３、２４は、直線状周溝２１、２２間に上下方向に間隔をあけて形成されており、それぞれの位相が一致している。上側の波形周溝２３は、胴部１３を径方向外側から見た側面視で、上側の直線状周溝２１から離間する向き（下方）に突となる離間山部３１と、直線状周溝２１に接近する向き（上方）に突となる接近山部３２と、を有する。同様に、下側の波形周溝２４は、胴部１３を径方向外側から見た側面視で、下側の直線状周溝２２から離間する向き（上方）に突となる離間山部３３と、直線状周溝２２に接近する向き（下方）に突となる接近山部３４と、を有する。
また、波形周溝２３、２４の深さは、接近山部３２、３４の頂部から離間山部３１、３３の頂部に向かうにしたがって各別に漸次浅くなっている。例えば、離間山部３１、３３それぞれの頂部における深さは、約１ｍｍとなっており、接近山部３２、３４それぞれの頂部における深さは、約２ｍｍとなっている。 The linear peripheral grooves 21 and 22 are formed at intervals in the vertical direction.
The corrugated peripheral grooves 23 and 24 are formed at intervals in the vertical direction between the linear peripheral grooves 21 and 22, and their respective phases are in agreement. The upper corrugated peripheral groove 23 has a separation mountain portion 31 that protrudes in the direction (downward) away from the upper linear peripheral groove 21 and a linear peripheral groove when the body portion 13 is viewed from the outside in the radial direction. It has an approaching mountain portion 32 that protrudes in a direction (upward) approaching 21. Similarly, the lower corrugated peripheral groove 24 has a separating mountain portion 33 that protrudes in the direction (upward) away from the lower linear peripheral groove 22 when the body portion 13 is viewed from the outside in the radial direction. It has an approaching mountain portion 34 that protrudes in a direction (downward) approaching the linear peripheral groove 22.
Further, the depths of the corrugated peripheral grooves 23 and 24 gradually become shallower from the tops of the approaching peaks 32 and 34 toward the tops of the separated peaks 31 and 33. For example, the depth at the tops of the separated mountain portions 31 and 33 is about 1 mm, and the depth at the tops of the approaching mountain portions 32 and 34 is about 2 mm.

補強リブ２５、２６は、直線状周溝２１と離間山部３１との間並びに直線状周溝２２と離間山部３３との間に各別に位置しており、周方向に延在する直線状の溝部である。
補強リブ２５の一部は、接近山部３２の頂部と上下方向の位置が同じ位置に配置されている。補強リブ２５の上端部は、接近山部３２の頂部よりも上方に位置している。また、補強リブ２５の下端部は、離間山部３１の頂部よりも上方に位置しており、下方に向けて若干膨出している。さらに、補強リブ２５の両周端部は、周方向で隣り合う２つの接近山部３２の頂部から周方向で離間している。
同様に、補強リブ２６の一部は、接近山部３４の頂部と上下方向の位置が同じ位置に配置されている。補強リブ２６の下端部は、接近山部３４の頂部よりも下方に位置している。また、補強リブ２６の上端部は、離間山部３３の頂部よりも上方に位置しており、上方に向けて若干膨出している。さらに、補強リブ２６の両周端部は、周方向で隣り合う２つの接近山部３４の頂部から周方向で離間している。
また、補強リブ２５、２６の深さは、波形周溝２３、２４よりも浅くなっており、補強リブ２５、２６の幅は、波形周溝２３、２４よりも狭くなっている。
なお、補強リブ２５、２６は、径方向内側に向けて陥没するように形成されているが、径方向外側に向けて突出するように形成されてもよい。 The reinforcing ribs 25 and 26 are separately located between the linear peripheral groove 21 and the separated mountain portion 31 and between the linear peripheral groove 22 and the separated mountain portion 33, and have a linear shape extending in the circumferential direction. It is a groove part of.
A part of the reinforcing rib 25 is arranged at the same position in the vertical direction as the top of the approaching mountain portion 32. The upper end of the reinforcing rib 25 is located above the top of the approaching mountain portion 32. Further, the lower end portion of the reinforcing rib 25 is located above the top portion of the separated mountain portion 31, and slightly bulges downward. Further, both peripheral ends of the reinforcing rib 25 are separated from the tops of two approaching mountain portions 32 adjacent to each other in the circumferential direction in the circumferential direction.
Similarly, a part of the reinforcing rib 26 is arranged at the same position in the vertical direction as the top of the approaching mountain portion 34. The lower end of the reinforcing rib 26 is located below the top of the approaching mountain portion 34. Further, the upper end portion of the reinforcing rib 26 is located above the top portion of the separated mountain portion 33, and slightly bulges upward. Further, both peripheral ends of the reinforcing rib 26 are separated from the tops of two approaching mountain portions 34 adjacent to each other in the circumferential direction in the circumferential direction.
Further, the depth of the reinforcing ribs 25 and 26 is shallower than that of the corrugated peripheral grooves 23 and 24, and the width of the reinforcing ribs 25 and 26 is narrower than that of the corrugated peripheral grooves 23 and 24.
The reinforcing ribs 25 and 26 are formed so as to be recessed inward in the radial direction, but may be formed so as to project outward in the radial direction.

補助リブ２７は、胴部１３のうち波形周溝２３が位置する周帯部分２３Ａに対して下方に位置するように、離間山部３１の頂部に連結されている。なお、周帯部分２３Ａは、胴部１３のうち波形周溝２３の離間山部３１の頂部同士を結ぶ線と波形周溝２３の離間山部３１の頂部同士を結ぶ線とで挟まれた部分になっている。そして、補助リブ２７の下端部は、波形周溝２４の離間山部３３の頂部よりも下方に位置し、波形周溝２４から離間している。
同様に、補助リブ２８は、胴部１３のうち波形周溝２４が位置する周帯部分２４Ａに対して上方に位置するように、離間山部３３の頂部に連結されている。なお、周帯部分２４Ａは、胴部１３のうち波形周溝２４の離間山部３３の頂部同士を結ぶ線と波形周溝２４の離間山部３３の頂部同士を結ぶ線とで挟まれた部分になっている。そして、補助リブ２８の上端部は、波形周溝２３の離間山部３１の頂部よりも上方に位置し、波形周溝２３から離間している。
また、補助リブ２７、２８の深さは、波形周溝２３、２４よりも浅くなっており、補助リブ２７、２８の幅は、波形周溝２３、２４よりも狭くなっている。そして、補助リブ２７の深さは、離間山部３１から下方に向かうにしたがって漸次浅くなっており、補助リブ２８の深さは、離間山部３３から上方に向かうにしたがって漸次浅くなっている。
胴部１３のうち直線状周溝２２よりも下側部分は、内径及び外径が下方に向かうにしたがって漸次拡径する円錐台状をなしている。 The auxiliary rib 27 is connected to the top of the separated mountain portion 31 so as to be located below the peripheral zone portion 23A where the corrugated peripheral groove 23 is located in the body portion 13. The peripheral band portion 23A is a portion of the body portion 13 sandwiched between a line connecting the tops of the separated mountain portions 31 of the corrugated peripheral groove 23 and a line connecting the tops of the separated mountain portions 31 of the corrugated peripheral groove 23. It has become. The lower end of the auxiliary rib 27 is located below the top of the separation peak 33 of the corrugated peripheral groove 24 and is separated from the corrugated peripheral groove 24.
Similarly, the auxiliary rib 28 is connected to the top of the separated mountain portion 33 so as to be located above the peripheral zone portion 24A where the corrugated peripheral groove 24 is located in the body portion 13. The peripheral band portion 24A is a portion of the body portion 13 sandwiched between a line connecting the tops of the separated peaks 33 of the corrugated peripheral groove 24 and a line connecting the tops of the separated peaks 33 of the corrugated peripheral groove 24. It has become. The upper end of the auxiliary rib 28 is located above the top of the separation mountain portion 31 of the corrugated peripheral groove 23 and is separated from the corrugated peripheral groove 23.
Further, the depth of the auxiliary ribs 27 and 28 is shallower than that of the corrugated peripheral grooves 23 and 24, and the width of the auxiliary ribs 27 and 28 is narrower than that of the corrugated peripheral grooves 23 and 24. The depth of the auxiliary rib 27 gradually becomes shallower toward the lower side from the separated mountain portion 31, and the depth of the auxiliary rib 28 gradually becomes shallower toward the upper side from the separated mountain portion 33.
The portion of the body portion 13 below the linear peripheral groove 22 has a truncated cone shape in which the inner and outer diameters gradually increase as the inner and outer diameters go downward.

底部１４は、上端開口部が胴部１３の下端開口部に接続された円筒状の周壁部４１と、周壁部４１の下端に連設された平面視で円状の底壁部４２と、を有する。また、底部１４と胴部１３との間には、全周にわたって連続して延びる周溝４３が形成されている。 The bottom portion 14 includes a cylindrical peripheral wall portion 41 whose upper end opening is connected to the lower end opening of the body portion 13, and a bottom wall portion 42 which is circular in a plan view and is connected to the lower end of the peripheral wall portion 41. Have. Further, a peripheral groove 43 extending continuously over the entire circumference is formed between the bottom portion 14 and the body portion 13.

以上のような構成のボトル１によれば、直線状周溝２１、２２と離間山部３１、３３との間に周方向に延在する補強リブ２５、２６を各別に配置することにより、直線状周溝２１及び波形周溝２３の間の距離と直線状周溝２２及び波形周溝２４の距離とのそれぞれにおける周方向のばらつきを抑制できる。そして、直線状周溝２１と離間山部３１との間及び直線状周溝２２と離間山部３３との間それぞれにおいて、径方向内側に向けた負荷に対する剛性が向上する。これにより、直線状周溝２１と離間山部３１との間及び直線状周溝２２と離間山部３３との間それぞれにおける周方向の剛性のばらつきを軽減できる。したがって、直線状周溝２１と離間山部３１との間及び直線状周溝２２と離間山部３３との間に、ボトル１の減圧時に胴部１３に潰れが生じることを防止できる。
ここで、接近山部３２、３４及び補強リブ２５、２６の上下方向の位置を各別に揃えているので、ボトル１の周方向における剛性ばらつきをさらに抑制できる。 According to the bottle 1 having the above configuration, the reinforcing ribs 25 and 26 extending in the circumferential direction are separately arranged between the linear peripheral grooves 21 and 22 and the separated ridges 31 and 33 to form a straight line. It is possible to suppress variations in the circumferential direction between the distance between the circumferential groove 21 and the corrugated peripheral groove 23 and the distance between the linear peripheral groove 22 and the corrugated peripheral groove 24, respectively. Then, the rigidity against the load directed inward in the radial direction is improved between the linear peripheral groove 21 and the separated mountain portion 31 and between the linear peripheral groove 22 and the separated mountain portion 33, respectively. As a result, it is possible to reduce variations in rigidity in the circumferential direction between the linear peripheral groove 21 and the separated mountain portion 31 and between the linear peripheral groove 22 and the separated mountain portion 33. Therefore, it is possible to prevent the body portion 13 from being crushed when the pressure of the bottle 1 is reduced between the linear peripheral groove 21 and the separated mountain portion 31 and between the linear peripheral groove 22 and the separated mountain portion 33.
Here, since the positions of the approaching mountain portions 32 and 34 and the reinforcing ribs 25 and 26 in the vertical direction are aligned separately, it is possible to further suppress variations in rigidity of the bottle 1 in the circumferential direction.

なお、本発明は上記実施形態に限定されるものではなく、本発明の趣旨を逸脱しない範囲において種々の変更を加えることができる。
例えば、ボトルは、単相構造体に限らず中間層を有する積層構造体であってもよい。この中間層としては、例えばガスバリア性を有する樹脂材料からなる層、再生材からなる層または酸素吸収性を有する樹脂材料からなる層などがあげられる。
ボトルは、減圧ボトルに限らず、他のボトルであってもよい。
肩部、胴部及び底部は、ボトル軸に直交する横断面形状を円状としているが、円状に限らず、楕円状や多角形状など、他の形状であってもよい。
胴部には、補助リブが形成されていなくてもよい。
胴部には、２本の直線状周溝及び２本の波形周溝が形成されているが、直線状周溝及び波形周溝が少なくとも１本ずつ形成されていればよい。
波形周溝の形状は、離間山部及び接近山部が交互に周期的に延在する形状となっているが、周期的である必要はなく、また、鋸歯状など、他の形状であってもよい。
波形周溝は、互いに位相が一致するように形成されていなくてもよい。
補強リブは、接近山部の頂部と上下方向の位置を同じ位置として配置されていなくてもよい。
補強リブは、周方向に延在する直線状に形成されているが、他の形状であってもよい。同様に、補助リブは、上下方向に延在する直線状に形成されているが、他の形状であってもよい。補強リブ及び補助リブの深さを適宜変更してもよい。 The present invention is not limited to the above embodiment, and various modifications can be made without departing from the spirit of the present invention.
For example, the bottle is not limited to a single-phase structure and may be a laminated structure having an intermediate layer. Examples of the intermediate layer include a layer made of a resin material having a gas barrier property, a layer made of a recycled material, a layer made of a resin material having an oxygen absorption property, and the like.
The bottle is not limited to the decompression bottle, and may be another bottle.
The shoulder, body, and bottom have a circular cross-sectional shape orthogonal to the bottle axis, but the cross-sectional shape is not limited to a circular shape, and may be another shape such as an elliptical shape or a polygonal shape.
Auxiliary ribs may not be formed on the body.
Two linear peripheral grooves and two corrugated peripheral grooves are formed in the body portion, but it is sufficient that at least one linear peripheral groove and two corrugated peripheral grooves are formed.
The shape of the corrugated peripheral groove is such that the separated peaks and the approaching peaks alternately and periodically extend, but it does not have to be periodic, and other shapes such as serrated. May be good.
The corrugated peripheral grooves do not have to be formed so as to be in phase with each other.
The reinforcing ribs do not have to be arranged so that the top of the approaching mountain portion and the vertical position are the same.
The reinforcing ribs are formed in a straight line extending in the circumferential direction, but may have other shapes. Similarly, the auxiliary ribs are formed in a straight line extending in the vertical direction, but may have other shapes. The depths of the reinforcing ribs and the auxiliary ribs may be changed as appropriate.

この発明によれば、ボトル径方向内側への負荷に対する剛性の高めたボトルに関して、産業上の利用可能性が認められる。 According to the present invention, industrial applicability is recognized for a bottle having increased rigidity against a load inward in the radial direction of the bottle.

１ ボトル、１３ 胴部、２１，２２ 直線状周溝、２３，２４ 波形周溝、２５，２６ 補強リブ、３１，３３ 離間山部、３２，３４ 接近山部、Ｏ ボトル軸 1 Bottle, 13 Body, 21,22 Straight Circumferential Groove, 23,24 Corrugated Circumferential Groove, 25,26 Reinforcing Rib, 31,33 Separation Mountain, 32,34 Approaching Mountain, O Bottle Shaft

Claims (2)

合成樹脂材料で有底筒状に形成されたボトルであって、
胴部には、全周にわたって連続して延び、当該ボトルのボトル軸方向で間隔をあけた一対の直線状周溝と、一対の前記直線状周溝間にあり、当該ボトルを前記ボトル軸に直交する径方向外側から見た側面視で、一方の前記直線状周溝から離れる向きに突となる離間山部及び前記一方の直線状周溝に接近する向きに突となる接近山部を前記ボトル軸回りの周方向に交互に連設することによって形成され、互いに位相を揃えて前記ボトル軸方向で間隔をあけて複数形成された波形周溝と、前記一方の直線状周溝及び前記離間山部の間に位置し、前記周方向に間隔をあけて複数形成され、前記周方向に細長い補強リブと、が形成されていることを特徴とするボトル。 A bottle made of synthetic resin material and formed into a bottomed cylinder.
The barrel, extend continuously over the entire circumference, and a pair of straight circumferential grooves spaced bottle axis direction of the bottle, is in between a pair of the straight circumferential groove, the bottle to the bottle axis in a side view as viewed from a radially outward perpendicular, the one of the the spacing peaks and collision in a direction approaching the straight circumferential groove of the one the collision in a direction away from the straight circumferential groove close crests A plurality of corrugated peripheral grooves formed by alternately connecting them in the circumferential direction around the bottle axis and having their phases aligned with each other and spaced apart in the bottle axis direction, and one of the linear peripheral grooves and the separation thereof. located between the mountain portion, the circumferential direction are formed at a spacing, bottle elongated reinforcing ribs in the circumferential direction, characterized in Tei Rukoto is formed. 前記補強リブの少なくとも一部が、前記接近山部の頂部と前記ボトル軸方向の位置が同じ位置に配置されていることを特徴とする請求項１に記載のボトル。 The bottle according to claim 1, wherein at least a part of the reinforcing ribs is arranged at the same position as the top of the approaching mountain portion and the position in the bottle axial direction.
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