JP6375736B2 - Packaging container - Google Patents

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JP6375736B2
JP6375736B2 JP2014139466A JP2014139466A JP6375736B2 JP 6375736 B2 JP6375736 B2 JP 6375736B2 JP 2014139466 A JP2014139466 A JP 2014139466A JP 2014139466 A JP2014139466 A JP 2014139466A JP 6375736 B2 JP6375736 B2 JP 6375736B2
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packaging container
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直志 梅津
直志 梅津
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Toppan Inc
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Description

本発明は、包装容器に関するものである。特に、縦に押し潰すことができる包装容器に関するものである。   The present invention relates to a packaging container. In particular, the present invention relates to a packaging container that can be crushed vertically.

液体などの内容物を収納する包装容器で、胴部が蛇腹のようになっていて、空の状態で縦に押し潰すことのできる包装容器があり、このような包装容器は、蛇腹容器と呼ばれ、通常、プラスチックの成型容器でできている。   There is a packaging container for storing contents such as liquids, and there is a packaging container whose body is like a bellows and can be crushed vertically in an empty state. Such a packaging container is called a bellows container. It is usually made of a plastic molded container.

このような包装容器は、内容物を入れる前に潰した状態で保管することができ、また、廃棄するときに減容化して廃棄することもでき、便利である。さらには、容器を押し潰すことにより、粘稠性のある内容物を押し出して使用する用途にも用いられている。   Such a packaging container can be stored in a crushed state before the contents are put into it, and can be disposed in a reduced volume when discarded, which is convenient. Furthermore, it is used also for the use which extrudes and uses a viscous content by crushing a container.

このような包装容器として、たとえば、容器胴部の周方向に一周する凸部と、凹部とを上下に繰り返し設けて、押し潰し可能としたプラスチック容器がある（たとえば、特許文献１）。   As such a packaging container, for example, there is a plastic container that can be crushed by repeatedly providing a convex part and a concave part that circulate in the circumferential direction of the container body part up and down (for example, Patent Document 1).

公知文献を以下に示す。   Known documents are shown below.

特開平１０−１６７２４３号公報Japanese Patent Laid-Open No. 10-167243

前述のような、従来の蛇腹容器などの押し潰し可能な容器においては、潰した時にひずみが発生して、容積があまり小さくならず、潰れ方もなりゆきになってしまうことがあった。   As described above, in a collapsible container such as a conventional bellows container, distortion occurs when it is crushed, and the volume does not become so small, and the method of crushing tends to be reduced.

本発明は上記のような事情に鑑みてなされたもので、縦に押し潰したときに容積が小さくなり、全周で均一に潰れやすい容器を提供することを課題としている。   The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a container that has a small volume when crushed vertically and is easily crushed uniformly over the entire circumference.

本発明は係る課題に鑑みなされたものであり、請求項１の発明は、
胴部の表面に、水平方向に対して斜め方向の線状凸部を複数、等間隔に平行に設け、かつ、前記斜め方向の線状凸部と補角関係になる線状凸部を複数、同様に等間隔に平行に設け、線状凸部の交点より水平方向で隣り合った交点を結ぶように線状凹部を設けた包装容器であって、
前記線状凸部は、その隣り合った交点どうしの中央部分で、隣り合った交点を結ぶ線と直交する方向に幅が広く膨らんだ柳葉形状であり、
前記線状凸部において隣り合った交点を結ぶ方向に延在する凸状リブであって、柳葉形状の前記線状凸部の中央に凸状リブを有しており、
前記線状凹部は、その隣り合った交点どうしの中央部分で、隣り合った交点を結ぶ線と
直交する方向に幅が広く膨らんだ柳葉形状であり、
前記線状凹部において隣り合った交点を結ぶ方向に延在する凹状リブであって、柳葉形状の前記線状凹部の中央に凹状リブを有している、
ことを特徴とする包装容器である。
本発明は、線状凸部を、その隣り合った交点どうしの中央部分で幅が広く膨らんだ柳葉形状とし、その柳葉形状の中央に凸状リブを設けたので、凸状リブの部分が薄肉になり、容易に押し潰すことができ、また、押し潰したときに、全周でさらに均一に押し潰すことができる。
本発明は、線状凹部を、その隣り合った交点どうしの中央部分で幅が広く膨らんだ柳葉形状とし、その柳葉形状の中央に凹状リブを設けたので、凹状リブの部分が薄肉になり、容易に押し潰すことができ、また、押し潰したときに、全周でさらに均一に押し潰すことができる。 The present invention has been made in view of the problems, and the invention of claim 1
A plurality of linear protrusions in the oblique direction with respect to the horizontal direction are provided on the surface of the body portion in parallel with equal intervals, and a plurality of linear protrusions having a complementary angle relationship with the oblique protrusions. Similarly, a packaging container provided in parallel with equal intervals, and provided with a linear recess so as to connect the adjacent intersections in the horizontal direction from the intersection of the linear projections ,
The linear convex portion is a willow leaf shape that swells widely in the direction perpendicular to the line connecting the adjacent intersections at the central portion between the adjacent intersections ,
A convex rib extending in a direction connecting adjacent intersections in the linear convex portion, and has a convex rib in the center of the linear convex portion of the willow leaf shape ,
The linear concave portion is a central portion of the adjacent intersections, and a line connecting the adjacent intersections.
It is in the shape of a willow that swells widely in the orthogonal direction,
A concave rib extending in a direction connecting adjacent intersections in the linear concave portion, and has a concave rib in the center of the linear concave portion of the willow leaf shape,
It is the packaging container characterized by this.
In the present invention, the linear convex portion is formed in a willow leaf shape having a wide bulge at the center portion between the adjacent intersections, and the convex rib portion is provided in the center of the willow leaf shape. Thus, it can be easily crushed, and when crushed, it can be crushed more uniformly around the entire circumference.
In the present invention, the linear recess has a willow leaf shape that is wide and swelled at the center portion between the adjacent intersections, and a concave rib is provided in the center of the willow leaf shape, so the concave rib portion becomes thin, It can be easily crushed, and when crushed, it can be crushed more uniformly over the entire circumference.

本発明の包装容器は、以上のような構成であるので、線状凸部の交点が、上下方向でずれた位置になるので、縦に押し潰したときに、交点の上下での重なりが少なくなり、押し潰したときの包装容器の容積が小さくなり、また、全周で均一に押し潰すことができる。   Since the packaging container of the present invention is configured as described above, the intersections of the linear protrusions are shifted in the vertical direction, and therefore, when vertically crushed, there is little overlap between the intersections. Therefore, the volume of the packaging container when crushed becomes small, and it can be crushed uniformly around the entire circumference.

本発明の請求項２の発明は、前記交点のある位置の横断面で、隣接する交点を結ぶ形状が正方形であることを特徴とする請求項１に記載の包装容器である。   The invention according to claim 2 of the present invention is the packaging container according to claim 1, wherein a shape connecting the adjacent intersections is a square in a cross section at the position where the intersections exist.

本発明は、交点のある位置の横断面で、隣接する交点を結ぶ形状が正方形であるので、
線状凸部の交点の上下での重なりが、４５°ずれた位置になり、容器の容量を大きくしても、押し潰したときの容積を小さくすることができ、また、全周で均一に押し潰すことができる。 The present invention is a cross section at a position where there is an intersection, and since the shape connecting adjacent intersections is a square,
The overlap at the top and bottom of the intersection of the linear protrusions is at a position shifted by 45 °, and even when the volume of the container is increased, the volume when crushed can be reduced, and it can be uniformly distributed over the entire circumference. Can be crushed.

本発明の包装容器は、押し潰したときにひずみが発生しにくく、押し潰したときの容積が小さく、全周で均一に潰すことができる。   The packaging container of the present invention is less likely to be distorted when crushed, has a small volume when crushed, and can be crushed uniformly over the entire circumference.

本発明の包装容器の一例を模式的に正面で示した説明図である。It is explanatory drawing which showed typically an example of the packaging container of this invention with the front. 本発明の包装容器の一例を模式的に平面で示した説明図である。It is explanatory drawing which showed typically an example of the packaging container of this invention with the plane. 本発明の包装容器の一例を図２の矢印Ｘの方向から見た説明図である。It is explanatory drawing which looked at an example of the packaging container of this invention from the direction of arrow X of FIG. 図３のＨ−Ｈ部分の断面図である。It is sectional drawing of the HH part of FIG. 本発明の包装容器の一例の縦に押し潰した状態を模式的に正面で示した説明図である。It is explanatory drawing which showed typically the state crushed vertically of an example of the packaging container of this invention in the front.

以下、本発明を実施するための形態につき説明する。   Hereinafter, embodiments for carrying out the present invention will be described.

図１は、本発明の包装容器の一例を模式的に正面で示した説明図である。図２は、本発明の包装容器の一例を模式的に平面で示した説明図である。
本例の包装容器１００は、図１の正面図に示すように、首部１、肩部２、胴部３、底部４からなっている。この包装容器１００の製造は、熱可塑性樹脂を用いて、ブロー成型により行うことができる。 FIG. 1 is an explanatory view schematically showing an example of the packaging container of the present invention on the front side. FIG. 2 is an explanatory view schematically showing an example of the packaging container of the present invention on a plane.
As shown in the front view of FIG. 1, the packaging container 100 of this example includes a neck portion 1, a shoulder portion 2, a trunk portion 3, and a bottom portion 4. The packaging container 100 can be manufactured by blow molding using a thermoplastic resin.

首部１は略円筒形状になっており、上端部は、開口された口部になっている。また、首部１の上端側の外面には、雄螺子部１１が設けられていて、対応する雌螺子部の設けられたキャップ（図示しない）と螺合して密閉することができる。また、肩部２は、細い円形の首部１と太い胴部３との間を連結している。   The neck portion 1 has a substantially cylindrical shape, and the upper end portion is an open mouth portion. Further, a male screw portion 11 is provided on the outer surface on the upper end side of the neck portion 1 and can be sealed by screwing with a cap (not shown) provided with a corresponding female screw portion. The shoulder 2 connects the thin circular neck 1 and the thick trunk 3.

胴部３には、表面に水平方向に対して斜め方向の線状凸部３１が複数、等間隔に平行に設けられていて、かつ、斜め方向の線状凸部３１と補角関係になる線状凸部３２が複数、
同じように等間隔に平行に設けている。 The body 3 is provided with a plurality of linear protrusions 31 obliquely parallel to the horizontal direction on the surface, and is in a complementary angle relationship with the linear protrusions 31 in the oblique direction. A plurality of linear protrusions 32;
Similarly, they are provided in parallel at equal intervals.

また、線状凸部３１、３２の交点３３より水平方向で隣り合った交点３３を結ぶように線状凹部３４が設けられている。そして、底部４は、胴部３の下方に連設されて、下端部を閉鎖して底を形成している。   Moreover, the linear recessed part 34 is provided so that the intersection 33 adjacent to the horizontal direction from the intersection 33 of the linear convex parts 31 and 32 may be tied. And the bottom part 4 is provided below the trunk | drum 3, and the bottom end is closed and the bottom is formed.

図２の平面図のように、交点３３のある位置の横断面では、隣接する交点３３を結ぶ形状が正方形になっている。また、交点３３を結ぶ線が、線状凹部３４になっている。このため、線状凸部３１，３２の交点３３の上下での重なりが、４５°ずれた位置になり、包装容器１００の容量を大きくしても、押し潰したときの容積を小さくすることができる。また、全周で均一に胴部３を押し潰すことができる。   As shown in the plan view of FIG. 2, in the cross section at the position where the intersection 33 is located, the shape connecting the adjacent intersections 33 is a square. A line connecting the intersections 33 is a linear recess 34. For this reason, the upper and lower overlaps of the intersections 33 of the linear protrusions 31 and 32 are shifted by 45 °, and even when the capacity of the packaging container 100 is increased, the volume when crushed can be reduced. it can. Moreover, the trunk | drum 3 can be crushed uniformly in the perimeter.

図３は、図１の正面図に対して、包装容器１００を周方向に少し回転させて、図２の矢印Ｘの方向から見た図である。また、図４は、図３のＨ−Ｈ部分の断面図である。図５は、本発明の包装容器の一例の縦に押し潰した状態を模式的に正面で示した説明図である。   FIG. 3 is a view of the packaging container 100 as seen from the direction of the arrow X in FIG. 2 by slightly rotating the packaging container 100 in the circumferential direction with respect to the front view of FIG. 4 is a cross-sectional view taken along the line HH in FIG. FIG. 5 is an explanatory view schematically showing a state in which an example of the packaging container of the present invention is vertically crushed in front.

線状凸部３１、３２の両サイドは傾斜していて、山脈の尾根のようになっていて、その隣り合った交点３３どうしの間の中央部分では、尾根に近づくほど傾斜が緩やかになっていて、尾根の幅が広く膨らみ柳葉形状になっている。その柳葉形状の尾根の中央には、凸状リブ３５が設けられている。なお、図３及び図４において、符号３１ａ，３１ｂは、柳葉形状の線状凸部３１の両端縁を示している。すなわち、これらの図において、符号３１ａ，３１ｂで囲まれた領域が柳葉形状の線状凸部３１である。 Both sides of the line-shaped convex portions 31 and 32 are inclined, like a ridge of a mountain range, and in the central part between the adjacent intersections 33, the inclination becomes gentler toward the ridge. The ridge is wide and bulges into a willow leaf shape. A convex rib 35 is provided at the center of the willow-shaped ridge. 3 and 4, reference numerals 31 a and 31 b indicate both end edges of the willow-leaf-shaped linear protrusion 31. That is, in these drawings, the area surrounded by the reference numerals 31a and 31b is the willow-leaf-shaped linear protrusion 31.

また、線状凹部３４の両サイドも外方に向かって傾斜していて、Ｖ字谷のようになっていて、その隣り合った交点３３どうしの間の中央部分では、Ｖ字谷の底に近づくほど傾斜が緩やかになっていて、Ｖ字谷の底の幅が広く膨らみ柳葉形状になっている。その柳葉形状のＶ字谷の底の中央には、凹状リブ３６が設けられている。   Further, both sides of the linear recess 34 are also inclined outwardly to form a V-shaped valley, and in the central portion between the adjacent intersections 33, the bottom of the V-shaped valley is formed. As it gets closer, the slope becomes gentler, and the width of the bottom of the V-shaped valley swells wide and has a willow leaf shape. A concave rib 36 is provided at the center of the bottom of the willow-shaped V-shaped valley.

このように、線状凸部３１、３２を、中央部分で幅が広く膨らんだ柳葉形状とし、その柳葉形状の中央に凸状リブ３５を設け、また、線状凹部３４も、中央部分で幅が広く膨らんだ柳葉形状とし、その柳葉形状の中央に凹状リブ３６を設けていて、凸状リブ３５や凹状リブ３６の部分が薄肉になっているので、図５のように、包装容器１００を縦に押し潰したときに、容易に押し潰すことができ、また、全周でさらに均一に押し潰すことができる。   Thus, the linear convex portions 31 and 32 are formed in a willow leaf shape having a wide bulge at the central portion, and a convex rib 35 is provided in the center of the willow leaf shape, and the linear concave portion 34 is also wide at the central portion. Is formed in the shape of a swelled willow leaf, and a concave rib 36 is provided at the center of the willow leaf shape, and the convex rib 35 and the concave rib 36 are thin, so that the packaging container 100 is formed as shown in FIG. When crushed vertically, it can be crushed easily, and can be crushed more evenly all around.

以上のように、本発明の包装容器は、線状凸部の交点が、上下方向でずれた位置になるので、縦に押し潰したときに、交点の上下での重なりが少なくなり、押し潰したときの包装容器の容積が小さくなり、また、全周で均一に押し潰すことができる。   As described above, in the packaging container according to the present invention, the intersection of the linear protrusions is shifted in the vertical direction. The volume of the packaging container is reduced, and it can be uniformly crushed all around.

そして、本発明の包装容器を、熱可塑性樹脂として、ポリエチレンやポリプロピレンを用いて、ブロー成型により製造すると、包装容器に押し潰しても元の形状になろうとする復元力が働く。   When the packaging container of the present invention is manufactured by blow molding using polyethylene or polypropylene as a thermoplastic resin, a restoring force is exerted to return to the original shape even when the packaging container is crushed.

そのため、内容物を充填する前に、包装容器を押し潰した状態でシュリンク包装するなどにより、容積を小さくして保管しておき、使用するときには、シュリンク包装を取り去るなどにより、包装容器が、その復元力によって元の形状に戻り、本来の容量で使用することができる。   Therefore, before filling the contents, shrink the packaging container in a crushed state and store it in a small volume, and when using it, remove the shrink packaging, etc. It can be restored to its original shape by the restoring force and used in its original capacity.

また、本発明の包装容器を、熱可塑性樹脂として、ポリエチレンテレフタレートを用いて、インジェクション成型したパリソンを用いて、延伸ブロー成型して製造して、出来た包装容器は押し潰すと、元の形状に戻らないので、廃棄するときに減容化させて廃棄することができる。   In addition, the packaging container of the present invention is manufactured by stretch blow molding using an injection molded parison using polyethylene terephthalate as a thermoplastic resin, and the resulting packaging container is restored to its original shape when crushed. Since it does not return, it can be reduced in volume when discarded.

１００・・・包装容器
１・・・首部
２・・・肩部
３・・・胴部
４・・・底部
１１・・・雄螺子部
３１、３２・・・線状凸部
３３・・・交点
３４・・・線状凹部
３５・・・凸状リブ
３６・・・凹状リブ DESCRIPTION OF SYMBOLS 100 ... Packaging container 1 ... Neck part 2 ... Shoulder part 3 ... Body part 4 ... Bottom part 11 ... Male screw part 31, 32 ... Linear convex part 33 ... Intersection point 34 ... Linear recess 35 ... Convex rib 36 ... Concave rib

Claims (2)

胴部の表面に、水平方向に対して斜め方向の線状凸部を複数、等間隔に平行に設け、かつ、前記斜め方向の線状凸部と補角関係になる線状凸部を複数、同様に等間隔に平行に設け、線状凸部の交点より水平方向で隣り合った交点を結ぶように線状凹部を設けた包装容器であって、
前記線状凸部は、その隣り合った交点どうしの中央部分で、隣り合った交点を結ぶ線と直交する方向に幅が広く膨らんだ柳葉形状であり、
前記線状凸部において隣り合った交点を結ぶ方向に延在する凸状リブであって、柳葉形状の前記線状凸部の中央に凸状リブを有しており、
前記線状凹部は、その隣り合った交点どうしの中央部分で、隣り合った交点を結ぶ線と直交する方向に幅が広く膨らんだ柳葉形状であり、
前記線状凹部において隣り合った交点を結ぶ方向に延在する凹状リブであって、柳葉形状の前記線状凹部の中央に凹状リブを有している、
ことを特徴とする包装容器。 A plurality of linear protrusions in the oblique direction with respect to the horizontal direction are provided on the surface of the body portion in parallel with equal intervals, and a plurality of linear protrusions having a complementary angle relationship with the oblique protrusions. Similarly, a packaging container provided in parallel with equal intervals, and provided with a linear recess so as to connect the adjacent intersections in the horizontal direction from the intersection of the linear projections ,
The linear convex portion is a willow leaf shape that swells widely in the direction perpendicular to the line connecting the adjacent intersections at the central portion between the adjacent intersections ,
A convex rib extending in a direction connecting adjacent intersections in the linear convex portion, and has a convex rib in the center of the linear convex portion of the willow leaf shape ,
The linear concave portion is a willow leaf shape having a wide swell in a direction perpendicular to a line connecting the adjacent intersections at the central portion between the adjacent intersections,
A concave rib extending in a direction connecting adjacent intersections in the linear concave portion, and has a concave rib in the center of the linear concave portion of the willow leaf shape,
A packaging container characterized by that. 前記交点のある位置の横断面で、隣接する交点を結ぶ形状が正方形であることを特徴とする請求項１に記載の包装容器。   The packaging container according to claim 1, wherein a shape connecting the adjacent intersections is a square in a cross section at a position where the intersections exist.
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