JP5877583B2 - Packaging container - Google Patents
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- JP5877583B2 JP5877583B2 JP2012002965A JP2012002965A JP5877583B2 JP 5877583 B2 JP5877583 B2 JP 5877583B2 JP 2012002965 A JP2012002965 A JP 2012002965A JP 2012002965 A JP2012002965 A JP 2012002965A JP 5877583 B2 JP5877583 B2 JP 5877583B2
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Description
本発明は、粘性の高いドレッシング等の内容物を収容する容器であって、中栓を開けた開口部から容器内のドレッシングをサラダ等の食材に注ぎかけるように使用する包装用容器に関する。 The present invention relates to a packaging container for storing contents such as a highly viscous dressing, which is used so as to pour the dressing in the container onto foodstuffs such as salad from an opening in which an inner plug is opened.
従来、家庭等で一般的に使用されているドレッシング用ペットボトル（以下、単に「ドレッシングボトル」と称する）は、成形加工の際において、またボトル内に高温の内容物を充填した際において、高温から低温へ変化する際に発生する減圧変形に対処するため、ボトルを厚肉化する傾向にあった。 Conventionally, pet bottles for dressing (hereinafter simply referred to as “dressing bottles”) commonly used in homes and the like are heated at the time of molding and when filled with high-temperature contents in the bottle. In order to cope with the reduced pressure deformation that occurs when the temperature changes from low to low, the bottle tends to become thicker.
一方、粘性の高いドレッシング等の内容物をドレッシングボトルに収容し、斜めに傾けたボトルの開口部から内容物を注ぎ出す際、ボトルの開口部の周囲や中栓のネジ溝に内容物が付着する液だれ現象が発生する。 On the other hand, when contents such as dressings with high viscosity are stored in a dressing bottle and the contents are poured out from the opening of the slanted bottle, the contents adhere to the periphery of the opening of the bottle and the screw groove of the inner plug. A dripping phenomenon occurs.
このような液だれ現象を防止するには、ボトルの胴部を押圧することによって内容物を搾り出すように、ボトルの胴部にスクイズ性を持たせるのが好ましい。また、ボトルの胴部にスクイズ性を持たせることによって、ボトルの胴部を押圧した状態から開放すると、ボトルの開口部から内方へ向けて吸引力が生じ、このときボトルの開口部の周囲に垂れた内容物がボトル内に吸引されることになる。 In order to prevent such a dripping phenomenon, it is preferable that the bottle body portion is squeezed so that the contents are squeezed out by pressing the bottle body portion. In addition, when the bottle body is released from the pressed state by giving the bottle body a squeeze property, a suction force is generated inward from the bottle opening. The contents hanging on the bottle will be sucked into the bottle.
従って、上記の液だれ現象を解消するには、ボトルを薄肉化することによって胴部にスクイズ性を持たせるのが好ましい。その反面、上記のようにボトルに発生する減圧変形等を防止するには、ボトルの胴部等の強度を確保する必要があるが、そのためにボトルの肉厚を厚くすると上記のスクイズ性を失ってしまうという不都合が生じる。 Therefore, in order to eliminate the above-mentioned dripping phenomenon, it is preferable to make the barrel part squeezed by thinning the bottle. On the other hand, it is necessary to secure the strength of the bottle body and the like in order to prevent the decompression deformation and the like generated in the bottle as described above. However, if the thickness of the bottle is increased, the squeeze property is lost. Inconvenience occurs.
ここで、従来の技術として、下記の特許文献１を参照する。この文献の発明は、ボトルの胴部を押圧して内容物を搾り出すことができる容器構成を有するものであり、ボトルの外周を画定する中間点のパネル部分に、複数の凹凸を垂直に向けたグリッパ区分を形成したものである。 Here, the following patent document 1 is referred to as a conventional technique. The invention of this document has a container configuration in which the contents of the bottle can be squeezed out by pressing the body of the bottle, and a plurality of irregularities are directed vertically to the panel portion at the midpoint that defines the outer periphery of the bottle. A gripper section is formed.
しかしながら、家庭の食卓等で使用するドレッシングボトルの外周に複数の凸を形成するのは、意匠性の面からも優れたものとは云えず、むしろ、ドレッシングボトルのデザインとしては、ボトルの外周を滑らかな形状にするのが好ましい。 However, forming a plurality of protrusions on the outer periphery of a dressing bottle used at a dining table at home cannot be said to be excellent in terms of design, but rather, as a dressing bottle design, the outer periphery of the bottle is A smooth shape is preferred.
本発明は、以上のような事情に鑑みてなされたものであり、包装用容器のスクイズ性を確保するために、容器の胴部を薄肉化し、しかも容器内に高温の内容物を収容する時の熱変形、減圧変形等にも対処し得るように容器の胴部等の強度を確保するようにした包装用容器を提供することを目的とする。 The present invention has been made in view of the above circumstances, and in order to secure the squeeze property of the packaging container, the container body is thinned and the high-temperature contents are accommodated in the container. It is an object of the present invention to provide a packaging container in which the strength of the container body and the like is ensured so as to cope with thermal deformation, decompression deformation, and the like.
上記の問題を解決するために、本発明の請求項１の包装用容器は、ドレッシング等の内容物を収容する容器の上部に設けた開口部から内容物を注ぎ出すようにした包装用容器において、円筒形に形成した弾性を有する容器が胴部と下部とからなっており、前記胴部を外周方向へ滑らかに膨出した湾曲形状に形成すると共に、湾曲形状による胴部の最大外径部である変節点が胴部の上下幅の中間点よりも上方に存在し、且つ変節点の上方外形の曲率半径が変節点の下方外形の曲率半径よりも小である形状とし、前記変節点の上方外形が変節点の下方外形よりも強く反発することによって胴部の形状復元性が強く発揮されることを特徴とする。 In order to solve the above problems, the packaging container according to claim 1 of the present invention is a packaging container in which the contents are poured out from an opening provided in the upper part of the container for storing the contents such as dressing. The cylindrical container having elasticity is composed of a body part and a lower part, and the body part is formed into a curved shape that bulges smoothly in the outer peripheral direction, and the maximum outer diameter part of the body part by the curved shape. The inflection point is located above the midpoint of the vertical width of the trunk, and the curvature radius of the upper contour of the inflection point is smaller than the curvature radius of the lower contour of the inflection point. The upper outer shape repels more strongly than the lower outer shape of the inflection point, so that the shape restoring property of the trunk is strongly exhibited .
また、本発明の請求項２の包装用容器は、請求項１において、容器の上部にて外周に突出した形状を有する肩部と外方へ滑らかに膨出した湾曲形状の胴部との境界部の外周に内方へ凹んだ形状を有するリブを形成したことを特徴とする。 The packaging container according to claim 2 of the present invention is the boundary between the shoulder portion having a shape projecting to the outer periphery at the upper portion of the container and the curved body portion smoothly bulging outward. A rib having a shape recessed inward is formed on the outer periphery of the portion.
さらに、本発明の請求項３の包装用容器は、請求項１又は２において、容器の下部の外周が容器の他の部位の外周よりも大径に形成され、容器の下部の外周に内方へ凹んだ下方リブを形成すると共に、この下方リブから上方の胴部へ向けて外径を徐々に縮小する傾斜部を形成しつつ胴部に至る形状であって、傾斜部と胴部との境界の外周に内方へ凹んだ上方リブを形成したことを特徴とする。 Furthermore, the packaging container according to claim 3 of the present invention is the packaging container according to claim 1 or 2, wherein the outer periphery of the lower part of the container is formed larger in diameter than the outer periphery of other parts of the container, The lower rib is formed into a concave shape, and the slope reaches the trunk while gradually reducing the outer diameter from the lower rib toward the upper trunk. An upper rib recessed inward is formed on the outer periphery of the boundary.
上記のように、本発明は円筒形に形成した容器の胴部を外周方向へ滑らかに膨出した湾曲形状に形成すると共に、湾曲形状による胴部の最大外径部である変節点が胴部の上下幅の中間点よりも上方に存在し、且つ変節点の上方外形の曲率半径が変節点の下方外形の曲率半径よりも小である形状としている。このような構成により、容器の胴部を外周から内方へ押圧することによって変形させた際、変節点の上方外形が変節点の下方外形よりも強く反発することによって胴部の形状復元性が強く発揮されるようになる。 As described above, the present invention forms the barrel of the container formed in a cylindrical shape into a curved shape that bulges smoothly in the outer peripheral direction, and the inflection point that is the maximum outer diameter portion of the barrel due to the curved shape is the trunk. The curvature radius of the upper outer shape of the inflection point is smaller than the curvature radius of the lower outer shape of the inflection point. With such a configuration, when the container body is deformed by pressing it inwardly from the outer periphery, the upper shape of the inflection point rebounds more strongly than the lower shape of the inflection point, so that the shape recovery of the body is improved. It comes to be demonstrated strongly.
従って、胴部の最大外径部である変節点が胴部の上下幅の中間点よりも上方に存在するため、容器の胴部を手で握ったとき、人差し指が変節点の上方外形を包囲すると共に、親指が胴部の最大外径部である変節点に当てられる。この状態で、親指に力を入れて、変節点付近とその上方外形を内方へ押圧すると、変節点の上方外形が変節点の下方外形よりも強く反発することによって胴部の形状が復元され、容器の開口部からの吸引力を有効に生かし、液だれを開口部の内方へ吸引する効果が大きくなる。 Therefore, the inflection point, which is the maximum outer diameter of the torso, is located above the middle point of the torso's vertical width, so the index finger surrounds the upper outline of the inflection point when grasping the torso of the container by hand. In addition, the thumb is applied to the inflection point which is the maximum outer diameter portion of the trunk. In this state, if force is applied to the thumb and the vicinity of the inflection point and its upper outline are pressed inward, the upper outline of the inflection point rebounds more strongly than the lower outline of the inflection point, so that the shape of the trunk is restored. By effectively utilizing the suction force from the opening of the container, the effect of sucking the liquid dripping inward of the opening is increased.
また、本発明の構成において、容器の上部にて外周に突出した形状を有する肩部と外方へ滑らかに膨出した湾曲形状の胴部との境界部の外周に内方へ凹んだ形状を有するリブを形成したことにより、胴部の上方に位置する肩部周辺の補強がなされる。また、容器にスクイズ性を持たせるために胴部を薄肉化したにもかかわらず、容器の肩部周辺の強度を確保することが可能となる。さらに、容器の胴部を手で握ったとき、誤って手から容器が滑ったときでも、容器の胴部の上方において外方に突出した肩部に手が引っかかることにより、容器の落下を防止することが可能となる。 Further, in the configuration of the present invention, a shape recessed inward at the outer periphery of the boundary portion between the shoulder portion having a shape protruding to the outer periphery at the upper portion of the container and the curved body portion bulging smoothly outward is formed. By forming the rib having, the reinforcement around the shoulder portion located above the trunk portion is performed. Further, the strength around the shoulder portion of the container can be ensured despite the fact that the body portion has been thinned in order to give the container squeeze properties. In addition, even when the container body is gripped by hand or when the container slips accidentally from the hand, the container is prevented from falling by being caught by the shoulder that protrudes outward above the container body. It becomes possible to do.
また、本発明の構成において、容器の下部の外周を容器の他の部位の外周よりも大径に形成したことにより、製造工程や運送時においては、まず容器の下部が他の容器の下部に接触したり衝突したりすることとなる。しかしながら、本発明においては、容器の下部の外周に内方へ凹んだ下方リブを形成すると共に、この下方リブから上方の胴部へ向けて外径を徐々に縮小する傾斜部を形成しつつ胴部に至る形状とし、さらに傾斜部と胴部との境界の外周に内方へ凹んだ上方リブを形成してなる二段のリブ構造によって、容器の下部が補強されるため、製造工程や運送時における変形や容器の薄肉化に伴う減圧変形等を防止することが可能となる。 In the configuration of the present invention, the outer periphery of the lower part of the container is formed to have a larger diameter than the outer periphery of the other part of the container. It will come into contact and collide. However, in the present invention, the lower rib formed inwardly is formed on the outer periphery of the lower portion of the container, and the barrel is formed while forming the inclined portion that gradually reduces the outer diameter from the lower rib toward the upper barrel portion. The lower part of the container is reinforced by a two-stage rib structure that is formed in a shape that reaches the upper part and further has an upper rib that is recessed inwardly on the outer periphery of the boundary between the inclined part and the body part. It becomes possible to prevent deformation at the time and deformation under reduced pressure accompanying the thinning of the container.
また、容器の胴部を手で握ったとき、容器の下部の下方リブと上方リブとの間の傾斜部に小指が当たることによって握り易くなり、使い易さの点でも効果的な形状を得ることが可能となる。 In addition, when the body of the container is gripped by hand, it becomes easier to grip when the little finger hits the inclined part between the lower and upper ribs of the lower part of the container, and an effective shape is obtained in terms of ease of use. It becomes possible.
以下、本発明の実施例について図面を参照しながら説明する。 Embodiments of the present invention will be described below with reference to the drawings.
本発明の実施例は、図２（ａ）〜(ｃ)に示すように、ドレッシング等の粘性を有する内容物を収容するための容器２の上部に設けた開口部４から内容物を注ぎ出すようにした包装用容器１に関するものである。このような容器２の素材としては、ＰＥＴ、即ちポリエチレンテレフタレートを使用することにより、容器２の弾性と透明性を確保することが可能である。ただし、容器２に透明性が要求されない場合、その素材としてポリプロピレン等を使用しても良い。 In the embodiment of the present invention, as shown in FIGS. 2 (a) to 2 (c), the contents are poured out from the opening 4 provided in the upper part of the container 2 for containing the contents having viscosity such as dressing. This relates to the packaging container 1 as described above. By using PET, that is, polyethylene terephthalate, as the material for such a container 2, it is possible to ensure the elasticity and transparency of the container 2. However, when the container 2 is not required to be transparent, polypropylene or the like may be used as its material.
また、本実施例の包装用容器１は、容器２の胴部３を内側へ押圧することによって胴部３を搾り込むように変形可能とするスクイズ性を確保するため、その肉厚は０．４〜０．５ｍｍと薄く形成してある。 Moreover, the packaging container 1 of the present embodiment ensures squeeze property that allows the body part 3 to be squeezed by pressing the body part 3 of the container 2 inward, so that the wall thickness is 0. It is formed as thin as 4 to 0.5 mm.
また、本実施例の包装用容器１は、図１に示すように、容器２の上部に形成された開口部４の外周の環状凸部４ａが中栓５の内周に形成された環状凹部（不図示）に嵌合することによって取り付け可能であり、中栓５に設けられた上蓋５ａによって開口部４が開閉される構成となる。 Further, as shown in FIG. 1, the packaging container 1 of the present embodiment has an annular concave portion in which an annular convex portion 4 a on the outer periphery of the opening 4 formed on the upper portion of the container 2 is formed on the inner periphery of the inner plug 5. It can be attached by fitting (not shown), and the opening 4 is opened and closed by the upper lid 5a provided on the inner plug 5.
このような構成においては、中栓５に設けられたキャップ１３を取り外した際、上蓋５ａがキャップ１３の裏側に付着することによって、開口部４が開放状態となるように形成されている。なお、図１において、中栓５の外周に形成されたネジ山６がキャップ１３の内周に設けられた不図示のネジ溝にねじ込まれる構成とされている。 In such a configuration, when the cap 13 provided on the inner plug 5 is removed, the upper lid 5a is attached to the back side of the cap 13 so that the opening 4 is opened. In FIG. 1, the thread 6 formed on the outer periphery of the inner plug 5 is configured to be screwed into a screw groove (not shown) provided on the inner periphery of the cap 13.
上記の本実施例の包装用容器１においては、図２に示すように、容器２の胴部３を外周方向へ滑らかに膨出した湾曲形状に形成すると共に、この湾曲形状による胴部３の最大外径部である変節点７が胴部３の上下幅（上幅Ｌ１＝下幅Ｌ２）の中間点Ｃよりも上方に存在し、且つ変節点７の上方外形７ａの曲率半径が変節点７の下方外形７ｂの曲率半径よりも小である構成としている。 In the packaging container 1 of the present embodiment, as shown in FIG. 2, the body 3 of the container 2 is formed in a curved shape that swells smoothly in the outer peripheral direction, and the body 3 of this curved shape is formed. The inflection point 7 which is the maximum outer diameter portion exists above the middle point C of the upper and lower width (upper width L1 = lower width L2) of the body portion 3, and the curvature radius of the upper outer shape 7a of the inflection point 7 is the inflection point. 7 is configured to be smaller than the radius of curvature of the lower outer shape 7b.
このような構成において、容器２の胴部３の上下幅（上幅Ｌ１＝下幅Ｌ２）の中間点Ｃよりも上方に位置する部位に、外周方向へ滑らかに膨出した湾曲形状における最大外径部を取り、この最大外径部を変節点７として、変節点７の上方外形７ａの曲率半径を例えばＲ１４０ｍｍとし、変節点７の下方外形７ｂの曲率半径を例えばＲ５５０ｍｍとすることにより、変節点７の上方外形７ａの曲率半径が変節点７の下方外形７ｂの曲率半径よりも小となるように構成している。 In such a configuration, the maximum outside in the curved shape smoothly bulging in the outer peripheral direction at a position located above the middle point C of the vertical width (upper width L1 = lower width L2) of the body 3 of the container 2 By taking the diameter portion, this maximum outer diameter portion is the inflection point 7, the curvature radius of the upper outer shape 7a of the inflection point 7 is R140 mm, for example, and the curvature radius of the lower outer shape 7b of the inflection point 7 is R550 mm, for example. The radius of curvature of the upper outer shape 7 a of the point 7 is configured to be smaller than the radius of curvature of the lower outer shape 7 b of the inflection point 7.
このような構成により、容器２の胴部３を外周から内方へ押圧することによって変形させた際、変節点７の上方外形７ａが変節点７の下方外形７ｂよりも強く反発することによって胴部３の形状復元性が強く発揮されるようになる。 With such a configuration, when the body portion 3 of the container 2 is deformed by pressing inward from the outer periphery, the upper outer shape 7a of the inflection point 7 repels more strongly than the lower outer shape 7b of the inflection point 7, thereby causing the torso. The shape recoverability of the portion 3 is strongly exhibited.
また、胴部３の最大外径部である変節点７が胴部３の上下幅の中間点Ｃよりも上方に存在するため、容器２の胴部３を手で握ったとき、人差し指が変節点７の上方外形７ａを包囲すると共に、親指が胴部３の最大外径部である変節点７に当てられる。 Further, since the inflection point 7 which is the maximum outer diameter portion of the torso 3 is present above the middle point C of the upper and lower width of the torso 3, when the torso 3 of the container 2 is gripped by hand, the forefinger is inflected. While surrounding the upper outer shape 7 a of the point 7, the thumb is applied to the inflection point 7 which is the maximum outer diameter portion of the trunk portion 3.
この状態で、親指に力を入れて、変節点７付近とその上方外形７ａを内方へ押圧すると、変節点７の上方外形７ａが変節点７の下方外形７ｂよりも強く反発することによって胴部３の形状が復元され、容器２の開口部４からの吸引力を有効に生かし、液だれを開口部４の内方へ吸引する効果が大きくなる。 In this state, when force is applied to the thumb and the vicinity of the inflection point 7 and the upper outer shape 7a are pressed inward, the upper outer shape 7a of the inflection point 7 is repelled more strongly than the lower outer shape 7b of the inflection point 7. The shape of the portion 3 is restored, the suction force from the opening 4 of the container 2 is effectively utilized, and the effect of sucking the liquid into the opening 4 is increased.
また、本実施例の構成においては、図２に示すように、容器２の上部にて外周に突出した形状を有する肩部８と外方へ滑らかに膨出した湾曲形状の胴部３との境界部の外周に内方へ凹んだ形状を有するリブ９を形成した構成としている。このような構成により、胴部３の上方に位置する肩部８の周辺の補強がなされる。また、容器２にスクイズ性を持たせるために容器２を薄肉化したにもかかわらず、容器２の上部の強度を確保することが可能となる。 Moreover, in the structure of a present Example, as shown in FIG. 2, the shoulder part 8 which has the shape which protruded in the outer periphery in the upper part of the container 2, and the curved-shaped trunk | drum 3 which bulged smoothly outward are carried out. The rib 9 having a shape recessed inward is formed on the outer periphery of the boundary portion. With such a configuration, the periphery of the shoulder portion 8 located above the trunk portion 3 is reinforced. Further, the strength of the upper portion of the container 2 can be ensured despite the thinning of the container 2 in order to give the container 2 squeeze properties.
さらに、容器２の胴部３を手で握ったとき、誤って手から容器２が滑ったときでも、容器２の上部にて外周に突出した肩部８に手が引っかかることによって、容器２の落下を防止することが可能となる。 Furthermore, even when the body 2 of the container 2 is gripped by hand, even when the container 2 slips accidentally from the hand, the hand 2 is caught on the shoulder 8 protruding to the outer periphery at the upper part of the container 2. It becomes possible to prevent the fall.
また、本実施例の構成において、図２に示すように、容器２の下部１０の外周を容器２の他の部位の外周よりも大径に形成することにより、製造工程や運送時においては、まず容器２の下部が他の容器２の下部に接触したり衝突したりすることとなる。 Further, in the configuration of the present embodiment, as shown in FIG. 2, by forming the outer periphery of the lower part 10 of the container 2 to have a larger diameter than the outer periphery of the other part of the container 2, First, the lower part of the container 2 comes into contact with or collides with the lower part of another container 2.
しかしながら、本実施例において、容器２の下部の外周に内方へ凹んだ下方リブ１１を形成すると共に、この下方リブ１１から上方の胴部３へ向けて外径を徐々に縮小する傾斜部１４を形成しつつ胴部３に至る形状としてあり、さらに傾斜部１４と胴部３との境界の外周に内方へ凹んだ上方リブ１２を形成したことによって、二段のリブ構造を構成している。このような二段のリブ構造により、容器２の下部１０が補強されるため、製造工程や運送時における変形や容器２の薄肉化に伴う減圧変形等を防止することが可能となる。 However, in this embodiment, the lower rib 11 that is recessed inwardly is formed on the outer periphery of the lower portion of the container 2, and the inclined portion 14 that gradually reduces the outer diameter from the lower rib 11 toward the upper body portion 3. The upper rib 12 that is recessed inward is formed on the outer periphery of the boundary between the inclined portion 14 and the trunk portion 3 to form a two-stage rib structure. Yes. Such a two-stage rib structure reinforces the lower part 10 of the container 2, so that it is possible to prevent deformation during the manufacturing process and transportation, deformation under reduced pressure accompanying thinning of the container 2, and the like.
また、容器２の胴部３を手で握ったとき、容器２の下部１０の下方リブ１１と上方リブ１２との間の傾斜部１４に小指が当たることによって握り易くなり、使い易さの点でも効果的な形状を得ることが可能となる。 Further, when the body part 3 of the container 2 is grasped by hand, it becomes easy to grasp by the little finger hitting the inclined part 14 between the lower rib 11 and the upper rib 12 of the lower part 10 of the container 2, so that it is easy to use. However, an effective shape can be obtained.
また、容器２の胴部３を手で握ったとき、容器２の下部の下方リブ１１と上方リブ１２との間の傾斜部１４に小指が当たることによって握りやすいため、使いやすさの点でも効果的な形状を得ることが可能となる。 In addition, when the body 3 of the container 2 is grasped by hand, it is easy to grasp it by the little finger hitting the inclined portion 14 between the lower rib 11 and the upper rib 12 at the lower part of the container 2. An effective shape can be obtained.
本発明の包装用容器は、容器のスクイズ性を確保するために、容器の胴部を薄肉化し、しかも減圧変形等にも対処し得るように容器の胴部等の強度を確保するようにした包装用容器として利用可能である。 In the packaging container of the present invention, in order to secure the squeeze property of the container, the body of the container is thinned, and the strength of the container body is ensured so as to cope with deformation under reduced pressure. It can be used as a packaging container.
１ 包装用容器
２ 容器
３ 胴部
４ 開口部
４ａ 環状凸部
５ 中栓
５ａ 上蓋
６ ネジ山
７ 変節点
７ａ 上方外形
７ｂ 下方外形
８ 肩部
９ リブ
１０ 容器の下部
１１ 下方リブ
１２ 上方リブ
１３ キャップ
１４ 傾斜部
Ｃ 胴部の中間点
Ｌ１ 上方外形の上下幅
Ｌ２ 下方外形の上下幅
DESCRIPTION OF SYMBOLS 1 Packaging container 2 Container 3 Body part 4 Opening part 4a Annular convex part 5 Inner plug 5a Top cover 6 Thread 7 Inflection point 7a Upper external shape 7b Lower external shape 8 Shoulder part 9 Rib 10 Lower part 11 Lower rib 12 Upper rib 13 Cap 14 Inclined part C Middle point L1 of body part Upper and lower width L2 Upper and lower width of lower outline
Claims (4)
円筒形に形成した弾性を有する容器が胴部と下部とからなっており、前記胴部を外周方向へ滑らかに膨出した湾曲形状に形成すると共に、湾曲形状による胴部の最大外径部である変節点が胴部の上下幅の中間点よりも上方に存在し、且つ変節点の上方外形の曲率半径が変節点の下方外形の曲率半径よりも小である形状とし、
前記変節点の上方外形が変節点の下方外形よりも強く反発することによって胴部の形状復元性が強く発揮されることを特徴とする包装用容器。 In the packaging container in which the contents are poured out from the opening provided in the upper part of the container for storing the contents such as dressing,
An elastic container formed in a cylindrical shape is composed of a trunk part and a lower part, and the trunk part is formed into a curved shape that bulges smoothly in the outer circumferential direction, and at the maximum outer diameter part of the trunk part due to the curved shape. A certain inflection point exists above the middle point of the upper and lower width of the trunk, and the curvature radius of the upper outer shape of the inflection point is smaller than the curvature radius of the lower outer shape of the inflection point,
A packaging container characterized in that the shape restoring property of the body part is exerted strongly by rebounding the upper outer shape of the inflection point more strongly than the lower outer shape of the inflection point .
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| JP2012002965A JP5877583B2 (en) | 2012-01-11 | 2012-01-11 | Packaging container |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012002965A JP5877583B2 (en) | 2012-01-11 | 2012-01-11 | Packaging container |
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| AR050681A1 (en) * | 2004-07-14 | 2006-11-15 | Nestec Sa | A CONTAINER OR CONTAINER FORMED BY A SINGLE PART OR EXPRESSIBLE PART FOR REFRIGERATED OR FROZEN PRODUCTS |
| JP5311111B2 (en) * | 2008-10-31 | 2013-10-09 | 株式会社吉野工業所 | Blow molded container made of synthetic resin |
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