JP2014125219A - Container - Google Patents

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JP2014125219A
JP2014125219A JP2012281822A JP2012281822A JP2014125219A JP 2014125219 A JP2014125219 A JP 2014125219A JP 2012281822 A JP2012281822 A JP 2012281822A JP 2012281822 A JP2012281822 A JP 2012281822A JP 2014125219 A JP2014125219 A JP 2014125219A
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distance
contact surface
container
outer peripheral
opening
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JP6058384B2 (en
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Naoto Hieda
直人 稗田
Yoshio Sakamoto
芳男 阪本
Hirotomo Sugawara
宏智 菅原
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Snow Brand Milk Products Co Ltd
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Snow Brand Milk Products Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a container capable of restraining damage even when absorbing external force.SOLUTION: When A is set as a distance of a gap between a step part 33 of a lid material 3 and a tip of a vertical wall part 25 of a container body, B is set as a distance from the step part 33 of the lid material 3 to a lower end edge of a side wall part 31A which becomes an outer peripheral edge, C is set as a distance between a base end part of a contact surface 26A and a lower end edge of a disengageable part 31, D is set as a distance between the contact surface 26A and a lower end edge of the disengageable part 31 opposed to the contact surface 26A, and X is set as a distance from a base end outer peripheral surface of the vertical wall part 25 to an outermost peripheral edge in which the contact surface 26A does not curve, a relationship distance B>distance A≥distance D holds, and a relationship described in the following formula holds. When external force is applied to the lid material 3, two points of contact of the lower end of the side wall part 31A and the contact surface 26A, and contact of the vertical wall part 25 and the step part 33, can disperse and absorb the external force by elastically deforming so that the lower edge of the side wall part 31A expands outward to prevent damage of the lid material 3. X>[(B-(B-A+D))+C]

Description

本発明は、容器本体と、当該容器本体に着脱可能に取り付けられ容器本体の開口部を開閉する蓋材を備えた容器に関する。   The present invention relates to a container having a container body and a lid member that is detachably attached to the container body and opens and closes an opening of the container body.

粘性を有する調味料、あるいは惣菜や調理食材など、食品や食材を収容する容器として、用途に応じて各種形状のプラスチック容器が利用されている。これらプラスチック容器において、蓋材の周縁を弾性変形することで、容器本体の上面開口部の外周部に係脱し、上面開口部を開閉する構成が採られている(例えば、特許文献1〜3参照)。
これら特許文献1〜3に記載の従来の容器では、容器本体の外周部に係脱可能に係合して上面開口部を閉塞する係合部を有した蓋材を備えている。蓋材の係合部は、蓋材の最外周縁に設けられ容器本体の外周縁に係脱する係脱面部と、当該係脱面部に連続するとともに蓋材の天面部分に連続して設けられ、容器本体の開口部の外周縁の上面に面で当接する当接面部とから構成されている。
Various types of plastic containers are used as containers for containing foods and foodstuffs such as viscous seasonings, side dishes and cooked foodstuffs. In these plastic containers, a configuration is adopted in which the peripheral edge of the lid member is elastically deformed to engage and disengage with the outer peripheral portion of the upper surface opening of the container body, and open and close the upper surface opening (see, for example, Patent Documents 1 to 3). ).
The conventional containers described in Patent Documents 1 to 3 include a lid member having an engaging portion that detachably engages with the outer peripheral portion of the container body and closes the upper surface opening. The engaging portion of the lid member is provided on the outermost peripheral edge of the lid member and is engaged / disengaged with the outer peripheral edge of the container main body, and is continuously provided on the engaging / disengaging surface portion and continuously on the top surface portion of the lid member. And an abutting surface portion that abuts the upper surface of the outer peripheral edge of the opening of the container body.

特開平9−255067号公報JP-A-9-255067 特開2004−67140号公報JP 2004-67140 A 特開2011−68396号公報JP 2011-68396 A

しかしながら、上記特許文献1〜3に記載のような容器では、蓋材に外力が作用した際、例えば図1に示すように、蓋材Mの外周縁M1が外方に広がるように変形し、外周縁M1などに割れが生じたり、外周縁M1が伸びで容器本体Nと係脱できなくなったりするなどの損傷を生じるおそれがある。   However, in the containers described in Patent Documents 1 to 3, when an external force is applied to the lid member, for example, as shown in FIG. 1, the outer peripheral edge M1 of the lid member M is deformed so as to spread outward, There is a possibility that the outer peripheral edge M1 or the like may be cracked, or the outer peripheral edge M1 may be stretched and become unable to be engaged with or disengaged from the container body N.

本発明の目的は、外力を吸収しても損傷を抑制できる容器を提供することにある。   The objective of this invention is providing the container which can suppress damage even if external force is absorbed.

本発明の蓋材は、鉛直方向の上面に開口部を有した容器本体と、前記容器本体に着脱可能に取り付けられ前記開口部を開閉する蓋材とを備え、前記蓋材は、前記容器本体の開口部の外周側に外方から係脱可能な係脱部と、前記開口部の開口縁に鉛直方向で間隙を介して対向する段差部とを備え、前記容器本体は、前記開口部の外周側に外方に向けて延出して設けられ前記蓋材の外周縁が当接する当接面を備え、前記当接面は、前記間隙の距離をA、前記蓋材の段差部から外周縁までの距離をB、前記当接面の基端部と前記係脱部との間の距離をC、前記当接面と当該当接面に対向する前記蓋材の外周縁との間の距離をDとしたとき、前記開口部の外周側側面から{(B−(B−A+D)1/2+C}の距離より長い距離で延出され、かつ距離B>距離A≧距離Dであることを特徴とする。
ここで、当接面が開口部の外周側側面から延出する長さが、{(B−(B−A+D)1/2+C}の距離以下となると、外力が作用して蓋材の段差部が容器本体の開口部の開口縁に当接した際に、例えば図1に示すように、蓋材の外周縁が当接面の先端から外側へ外れてより広げられる状態となり、蓋材に割れや伸びなどの損傷を生じてしまうためである。
また、距離A<距離Dでは、外力が作用し、段差部が容器本体の開口部の開口縁に当接した際に、係脱部の外周縁が当接面に当接せず、係脱部の外周縁と当接面との当接による外力の吸収が得られなくなるためである。
The lid material of the present invention includes a container main body having an opening on the upper surface in the vertical direction, and a lid material detachably attached to the container main body, and the lid material includes the container main body. An opening / closing portion that can be engaged and disengaged from the outside on the outer peripheral side of the opening, and a stepped portion that opposes the opening edge of the opening through a gap in the vertical direction. The contact surface includes an abutment surface that extends outward on the outer peripheral side and abuts on the outer peripheral edge of the lid member. The contact surface has a distance A between the gap and an outer peripheral edge from the step portion of the lid member. B, the distance between the base end portion of the contact surface and the engagement / disengagement portion C, the distance between the contact surface and the outer peripheral edge of the lid facing the contact surface the is D, from the outer peripheral side surface of the opening - extending at a distance greater than the distance of {(B 2 (B-a + D) 2) 1/2 + C} Characterized in that and the distance B> distance A ≧ distance D.
Here, when the length of the contact surface extending from the outer peripheral side surface of the opening is equal to or less than the distance of {(B 2 − (B−A + D) 2 ) 1/2 + C}, the external force acts and the lid When the stepped portion of the material comes into contact with the opening edge of the opening of the container body, for example, as shown in FIG. This is because the lid material may be damaged such as cracking or stretching.
In addition, when the distance A <distance D, an external force is applied, and when the stepped portion comes into contact with the opening edge of the opening of the container body, the outer peripheral edge of the engaging / disengaging portion does not contact the contact surface. This is because absorption of external force due to contact between the outer peripheral edge of the portion and the contact surface cannot be obtained.

この発明では、蓋材の外周縁が当接する容器本体の当接面を、所定の寸法に形成するので、外力が蓋材に作用した際、蓋材の段差部が開口縁に当接するとともに、蓋材の外周縁が当接面から脱落することなく当接面に当接する状態となる。
このため、容器本体と蓋材とが当接する2カ所で外力を吸収でき、外力により蓋材の外周縁が広がって割れや伸びなどの損傷が生じることを防止できる。したがって、損傷により蓋材が容器本体に取り付けできなくなる不都合を防止できる。
In this invention, since the contact surface of the container main body with which the outer peripheral edge of the lid material abuts is formed in a predetermined dimension, when an external force acts on the lid material, the stepped portion of the lid material abuts on the opening edge, The outer peripheral edge of the lid member comes into contact with the contact surface without falling off the contact surface.
For this reason, external force can be absorbed at two places where the container main body and the lid material abut, and it is possible to prevent the outer peripheral edge of the lid material from spreading due to the external force and causing damage such as cracking and elongation. Therefore, the inconvenience that the lid cannot be attached to the container main body due to damage can be prevented.

そして、本発明では、距離A>距離Dである構成とすることが好ましい。
この発明では、蓋材の段差部が開口部の開口縁に当接する前に蓋材の外周縁が当接面に当接する状態となる。
このため、蓋材の外周縁が当接面に当接する状態から蓋材の段差部が開口部の開口縁に当接するまで、蓋材の外周縁が外側に広がるように弾性変形して外力を吸収でき、蓋材の損傷を防止できる。
In the present invention, it is preferable that the distance A> the distance D.
In this invention, before the level | step-difference part of a cover material contact | abuts to the opening edge of an opening part, the outer periphery of a cover material will be in the state contact | abutted to a contact surface.
For this reason, from the state in which the outer peripheral edge of the lid member is in contact with the contact surface to the stepped portion of the lid member is in contact with the opening edge of the opening, the outer peripheral edge of the lid member is elastically deformed so that the outer force is spread outward. It can be absorbed and damage to the lid can be prevented.

さらに、本発明では、前記間隙の距離Aは、以下の式(1)の条件である構成とすることが好ましい。
{(B+D)−A}/B>31/2/2 …(1)
この発明では、間隙の距離Aを式(1)となる条件に形成することで、段差部が開口縁に当接した状態で蓋材の外周縁が外方に広がった際の角度が30°より小さくなる状態となる。
このため、蓋材の段差部が容器本体の開口縁に当接した際、蓋材の外周縁が外側に大きく広がらず、蓋材の損傷をより防止できる。
ここで、間隙の距離Aが式(1)を満足しないと、外力が作用した際に蓋材の外周縁が大きく外方に広がる状態となり、損傷するおそれがあるためである。
In the present invention, it is preferable that the distance A of the gap is a condition of the following expression (1).
{(B + D) -A} / B> 3 1/2 / 2 (1)
In this invention, by forming the gap distance A under the condition of Expression (1), the angle when the outer peripheral edge of the lid material spreads outward with the stepped portion in contact with the opening edge is 30 °. The state becomes smaller.
For this reason, when the level | step-difference part of a lid | cover material contact | abuts to the opening edge of a container main body, the outer periphery of a lid | cover material does not spread outside largely, and damage to a lid | cover material can be prevented more.
Here, if the distance A of the gap does not satisfy the formula (1), when the external force is applied, the outer peripheral edge of the lid material is greatly expanded outward and may be damaged.

そして、本発明では、前記容器本体は、前記蓋材の外周縁が対向する当接面の位置より外周側に、鉛直方向の上方に向けて突設された突部を備えている構成とすることが好ましい。
この発明では、当接面に蓋材の外周縁が対向する位置より外周側に、鉛直方向の上方に向けて突部を突設することで、外力が蓋材に作用し蓋材の外周縁が外方へ開くように変形した際に、突部に蓋材の外周縁が当接する。
このため、蓋材の外周縁が当接面から外れることをより確実に防止でき、蓋材の外周縁が広がって割れや伸びなどの損傷が生じることをより防止できる。
And in this invention, it is set as the structure which the said container main body is equipped with the protrusion protruded toward the upper direction of the perpendicular direction from the position of the contact surface which the outer periphery of the said cover material opposes. It is preferable.
In this invention, by projecting a protruding portion toward the upper side in the vertical direction from the position where the outer peripheral edge of the cover member faces the contact surface, an external force acts on the cover member and the outer peripheral edge of the cover member. Is deformed so as to open outward, the outer peripheral edge of the lid material comes into contact with the protrusion.
For this reason, it can prevent more reliably that the outer periphery of a cover material remove | deviates from a contact surface, and can prevent that the outer periphery of a cover material spreads, and damages, such as a crack and elongation, arise.

また、本発明では、前記当接面と、当該当接面に対向する前記蓋材の外周縁とのうちの少なくともいずれか一方は、粗面に形成されている構成とすることが好ましい。
この発明では、当接面と、当該当接面に対向する蓋材の外周縁とのうちの少なくともいずれか一方を粗面とすることで、外力が蓋材に作用した際、当接面と当該当接面に当接する蓋材の外周縁との摩擦が増大する。
このため、蓋材の外周縁が外方へ開くように変形することが抑制され、蓋材の外周縁が広がって割れや伸びなどの損傷が生じることをより防止できる。
Moreover, in this invention, it is preferable to set it as the structure by which at least any one of the said contact surface and the outer periphery of the said cover material facing the said contact surface is formed in the rough surface.
In this invention, when at least one of the contact surface and the outer peripheral edge of the cover material facing the contact surface is a rough surface, when an external force acts on the cover material, Friction with the outer peripheral edge of the lid member that comes into contact with the contact surface increases.
For this reason, it can suppress that it deform | transforms so that the outer periphery of a cover material may open outward, and can prevent that the outer periphery of a cover material spreads, and damages, such as a crack and elongation, arise.

そして、本発明では、樹脂原料の射出成形により形成された構成とすることが好ましい。
この発明では、係脱部の係脱に寸法精度が要求される場合でも射出成形により精度よく成形できることから、外力により損傷せず、かつ寸法精度が要求される係脱部の係合が外れるなどの不都合を防止でき、良好な係脱が得られる。
And in this invention, it is preferable to set it as the structure formed by injection molding of the resin raw material.
In the present invention, even when dimensional accuracy is required for engagement / disengagement of the engagement / disengagement portion, the molding can be accurately performed by injection molding, so that the engagement / disengagement portion which is not damaged by external force and requires dimensional accuracy is disengaged. Can be prevented, and good engagement and disengagement can be obtained.

また、本発明では、マーガリン用として構成することが好ましい。
この発明では、マーガリンは外部環境により液状化または固形化するので、マーガリンが漏れ出ることを防止するための寸法精度が必要で、かつ内容物のマーガリンを利用する毎に開口部の開閉動作が実施され、繰り返される開閉動作毎に押圧力が良好に係脱部に作用して良好な開閉感を提供する必要があり、誤って落下して外力が作用しても損傷しない構成が必要である点で、特に有効である。
Moreover, in this invention, it is preferable to comprise for margarine.
In this invention, since the margarine is liquefied or solidified by the external environment, dimensional accuracy is required to prevent the margarine from leaking out, and the opening / closing operation is performed every time the contents of the margarine are used. It is necessary to provide a good opening / closing feeling by applying a good pressing force to the engagement / disengagement part for each repeated opening / closing operation, and it is necessary to have a structure that will not be damaged even if an external force is applied by accidental dropping. And is particularly effective.

本発明を説明するための前提となる技術における容器を示す一部を切り欠いた断面図。Sectional drawing which notched a part which shows the container in the technique used as the premise for demonstrating this invention. 本発明の容器に係る一実施形態を示す分解斜視図。The disassembled perspective view which shows one Embodiment which concerns on the container of this invention. 図2中I−Iにおける一部を切り欠いた断面図。Sectional drawing which notched a part in II in FIG. 図2中IV−IVにおける一部を切り欠いた断面図。Sectional drawing which notched a part in IV-IV in FIG. 本発明の容器に係る他の実施形態を示す一部を切り欠いた断面図。Sectional drawing which notched one part which shows other embodiment which concerns on the container of this invention. 本発明の容器に係るさらに他の実施形態を示す一部を切り欠いた断面図。Sectional drawing which notched one part which shows other embodiment concerning the container of this invention. 本発明の容器に係るさらに他の実施形態を示す一部を切り欠いた断面図。Sectional drawing which notched one part which shows other embodiment concerning the container of this invention. 本発明の容器に係るさらに他の実施形態を示す一部を切り欠いた断面図。Sectional drawing which notched one part which shows other embodiment concerning the container of this invention.

以下、本発明の容器に係る一実施形態について図面を参照して説明する。
[容器の構成]
図2〜4に示すように、1は容器で、容器1は、例えばマーガリンなどの粘性を有する食材を収容する容器である。この容器1は、鉛直方向の上面に開口部21を有した容器本体2と、当該容器本体2に着脱可能に取り付けられ開口部21を開閉する蓋材3とを具備している。
Hereinafter, an embodiment according to the container of the present invention will be described with reference to the drawings.
[Container configuration]
As shown in FIGS. 2-4, 1 is a container and the container 1 is a container which accommodates foodstuffs which have viscosity, such as a margarine, for example. The container 1 includes a container main body 2 having an opening 21 on an upper surface in a vertical direction, and a lid member 3 that is detachably attached to the container main body 2 and opens and closes the opening 21.

容器本体2は、略長方形で四隅が円弧状の図示しない底板部と、当該底板部の外周縁に鉛直方向の上方に向けて拡径するように屈曲形成された側板部23と、当該側板部23の上端縁に外方に向けて鍔状に屈曲形成された鍔部24と、当該鍔部24の外周縁に上方に向けて屈曲形成された立壁部25と、鍔部24の外周縁から外方に向けてさらに延設された上面に当接面26Aを有した当接部26とを備え、立壁部25の上端縁にて開口部21が開口形成されている。
立壁部25は、上方に向けて次第に厚み寸法が薄くなるようにテーパー状に形成されている。また、立壁部25の外周面には、四隅に位置して外方に突出する係止爪部27が設けられている。
なお、当接部26は、詳細は後述するが、容器本体2の開口部21の外周側側面、すなわち立壁部25の基端から外周側へ所定の突出長さに形成されている。
The container main body 2 includes a bottom plate portion (not shown) having a substantially rectangular shape with arcs at the four corners, a side plate portion 23 that is bent and formed on the outer peripheral edge of the bottom plate portion so as to expand in the vertical direction, and the side plate portion. From the upper edge of the flange 23, the flange portion 24 bent outwardly in a hook shape, the standing wall portion 25 bent upward at the outer peripheral edge of the flange portion 24, and the outer periphery of the flange portion 24 A contact portion 26 having a contact surface 26 </ b> A on the upper surface further extended outward, and an opening 21 is formed at the upper end edge of the standing wall portion 25.
The standing wall portion 25 is formed in a tapered shape so that the thickness dimension gradually decreases upward. Further, on the outer peripheral surface of the standing wall portion 25, locking claw portions 27 that are located at the four corners and project outward are provided.
Although the details will be described later, the contact portion 26 is formed to have a predetermined protruding length from the outer peripheral side surface of the opening 21 of the container body 2, that is, from the proximal end of the standing wall portion 25 to the outer peripheral side.

そして、容器本体2は、例えばポリエチレンやポリプロピレン、ポリスチレン、ポリ乳酸などの樹脂原料により、射出成形にて形成される。
容器本体2は、開口部21の長手方向の寸法が120mm以上150mm以下、短手方向の寸法が90mm以上120mm以下、開口部21の長手方向寸法/短手方向寸法=1.2以上1.4以下で、容器本体2の高さ寸法は、25mm以上55mm以下で形成されている。
And the container main body 2 is formed by injection molding from resin raw materials, such as polyethylene, a polypropylene, a polystyrene, polylactic acid, for example.
The container body 2 has a dimension in the longitudinal direction of the opening 21 of 120 mm or more and 150 mm or less, a dimension in the lateral direction of 90 mm or more and 120 mm or less, and a dimension in the longitudinal direction of the opening 21 / dimension in the lateral direction = 1.2 or more and 1.4. Below, the height dimension of the container main body 2 is formed in 25 mm or more and 55 mm or less.

蓋材3は、容器本体2の開口部21の外周側に外周方向から係脱可能な係脱部31と、容器本体2の開口部21を覆う天面部32と、係脱部31および天面部32の間に設けられた段差部33とを備えている。
係脱部31は、鉛直方向に略沿った平面を有し、容器本体2の開口部21より外周側となる立壁部25に重なるように取り付けられる側壁部31Aと、当該側壁部31Aの内面側に突設され、容器本体2の係止爪部27に係脱し取り付けられる係合爪部31Bとを備えている。
The lid 3 includes an engagement / disengagement portion 31 that can be engaged / disengaged from the outer peripheral direction on the outer peripheral side of the opening 21 of the container body 2, a top surface portion 32 that covers the opening 21 of the container body 2, an engagement / disengagement portion 31, and a top surface portion. And a step portion 33 provided between the two.
The engagement / disengagement portion 31 has a plane substantially along the vertical direction, and is attached to the side wall portion 31A so as to overlap the standing wall portion 25 on the outer peripheral side from the opening portion 21 of the container body 2, and the inner surface side of the side wall portion 31A. And an engaging claw portion 31 </ b> B attached to and disengaged from the engaging claw portion 27 of the container body 2.

天面部32は、略長方形で四隅が円弧状の天板部32Aと、当該天板部32Aの周縁が下方に向けて屈曲形成された側面部32Bを有し、下方に開口するドーム状に形成されている。
側面部32Bは、平面が鉛直方向に略沿うように形成されるが、型抜きテーパーなどの製造性の点で、水平面に対してなす角θが好ましくは85°以上95°未満となるように設計されている。
The top surface portion 32 has a substantially rectangular top plate portion 32A having arcuate corners and a side surface portion 32B formed by bending the peripheral edge of the top plate portion 32A downward, and is formed in a dome shape that opens downward. Has been.
The side surface portion 32B is formed so that the plane is substantially along the vertical direction, but the angle θ formed with respect to the horizontal plane is preferably 85 ° or more and less than 95 ° in terms of manufacturability such as a die-cut taper. Designed.

段差部33は、係脱部31の側壁部31Aの上端から内方に折曲形成されて水平面に略沿った平面を有して形成されている。段差部33の内周縁は、天面部32の側面部32Bの下端縁に連続して形成されている。   The step portion 33 is formed to be bent inward from the upper end of the side wall portion 31 </ b> A of the engagement / disengagement portion 31 and to have a plane substantially along the horizontal plane. The inner peripheral edge of the stepped portion 33 is formed continuously with the lower end edge of the side surface portion 32 </ b> B of the top surface portion 32.

ここで、図3に示すように、蓋材3の段差部33と容器本体の立壁部25の先端との間隙の距離をA、蓋材3の段差部33から外周縁となる側壁部31Aの下端縁までの距離をB、当接面26Aの基端部と係脱部31の下端縁との間の距離をC、当接面26Aと当該当接面26Aに対向する係脱部31の下端縁と間の距離をD、容器本体2の当接部26が突出する距離、すなわち、開口部21の外周側側面である立壁部25の基端外周面から当接面26Aの最外周縁までの距離をXとすると、容器1は、距離B>距離A≧距離Dであって、以下の式(2)に示す関係に形成されている。
X>{(B−(B−A+D)1/2+C} …(2)
Here, as shown in FIG. 3, the distance of the gap between the stepped portion 33 of the lid member 3 and the tip of the standing wall portion 25 of the container body is A, and the side wall portion 31A that is the outer peripheral edge from the stepped portion 33 of the lid member 3 The distance to the lower end edge is B, the distance between the base end of the contact surface 26A and the lower end edge of the engagement / disengagement portion 31 is C, and the engagement / disengagement portion 31 of the contact surface 26A faces the contact surface 26A. The distance between the lower end edge is D, the distance from which the contact portion 26 of the container body 2 protrudes, that is, the outermost peripheral edge of the contact surface 26A from the outer peripheral surface of the standing wall 25 that is the outer peripheral side surface of the opening 21 If the distance up to X is X, the container 1 is formed such that distance B> distance A ≧ distance D and the relationship shown in the following formula (2).
X> {(B 2 − (B−A + D) 2 ) 1/2 + C} (2)

また、蓋材3は、係脱部31の係合爪部31Bが容器本体2の係止爪部27に係合して取り付けられた際、蓋材3の外周縁となる側壁部31Aの下端が当接面26Aに当接した状態となっている。
すなわち、距離Dが0となる条件である。
また、距離D≦距離Aとなる条件で、容器1が形成されている。
Further, the lid member 3 has a lower end of the side wall portion 31 </ b> A serving as an outer peripheral edge of the lid member 3 when the engaging claw portion 31 </ b> B of the engaging / disengaging portion 31 is engaged with and attached to the locking claw portion 27 of the container body 2. Is in contact with the contact surface 26A.
That is, this is a condition where the distance D is zero.
Further, the container 1 is formed under the condition of distance D ≦ distance A.

ここで、距離D>距離Aでは、外力が作用し、段差部33が立壁部25に当接した際に、係脱部31の側壁部31Aの下端が当接面26Aに当接せず、係脱部31の外周縁と当接部26との当接による外力の吸収が得られなくなるためである。
また、X≦{(B−(B−A+D)1/2+C}では、外力が作用して蓋材3の段差部33が容器本体2の立壁部25に当接した際、例えば図1に示すように、蓋材3の係脱部31が当接面26Aの先端から外側へ外れてより広げられる状態となり、蓋材3に割れや伸びなどの損傷を生じてしまうためである。
Here, when distance D> distance A, when the external force is applied and the stepped portion 33 contacts the standing wall portion 25, the lower end of the side wall portion 31A of the engagement / disengagement portion 31 does not contact the contact surface 26A. This is because absorption of external force due to contact between the outer peripheral edge of the engagement / disengagement portion 31 and the contact portion 26 cannot be obtained.
Further, when X ≦ {(B 2 − (B−A + D) 2 ) 1/2 + C}, when an external force is applied and the stepped portion 33 of the lid member 3 comes into contact with the standing wall portion 25 of the container body 2, for example, As shown in FIG. 1, the engagement / disengagement portion 31 of the lid member 3 is disengaged from the tip of the contact surface 26 </ b> A to the outside and is further expanded, and the lid member 3 is damaged such as cracking and stretching. .

特に、当接面26A、係脱部31、立壁部25の関係は、{(B+D)−A}/B>31/2/2となることが好ましい。
すなわち、段差部33が立壁部25に当接した状態で蓋材3の側壁部31Aの下端が外方に広がった際の角度が30°より小さくなる状態とすることが好ましい。
このことにより、側壁部31Aの下端が外方へ大きく広がることによる損傷を生じず、外力を良好に吸収できる。
In particular, the relationship between the contact surface 26A, the engagement / disengagement portion 31, and the standing wall portion 25 is preferably {(B + D) −A} / B> 3 1/2 / 2.
That is, it is preferable that the angle when the lower end of the side wall portion 31 </ b> A of the lid member 3 spreads outward in a state where the stepped portion 33 is in contact with the standing wall portion 25 is smaller than 30 °.
Thus, the external force can be satisfactorily absorbed without causing damage due to the lower end of the side wall portion 31A being greatly expanded outward.

[容器の変形状況]
次に、上記容器に外力が作用した状況について説明する。
例えば、容器が落下するなどにより、蓋材3に外力が作用した際、まず蓋材3の側壁部31Aの下端が容器本体2の当接面26Aに押し付けられる状態となり、側壁部31Aの下端と当接面26Aとの間の摩擦力が増大する。この摩擦力により、外力の一部を吸収する。
そして、さらなる外力により、図3に示す実線で示す状態から二点鎖線で示す状態に、側壁部31Aの下端が外方へ広がるように弾性変形するとともに、蓋材3の段差部33が容器本体2の立壁部25に当接する。
この図3の二点鎖線で示す状態で、容器本体2と蓋材3とが当接する2点で外力を分散して吸収するとともに、側壁部31Aの下端が外方へ広がるような弾性変形により外力を吸収でき、蓋材3が割れるなどの損傷を防止できる。さらに、側壁部31Aの下端は、この図3の二点鎖線で示す状態からさらに外部に広がる弾性変形は生じないので、係脱部31が広がりすぎて割れが生じたり、伸びてしまう塑性変形が生じたりするなどの損傷を防止できる。
[Deformation of containers]
Next, a situation where an external force is applied to the container will be described.
For example, when an external force is applied to the lid member 3 due to, for example, the container falling, the lower end of the side wall portion 31A of the lid member 3 is first pressed against the contact surface 26A of the container body 2, and the lower end of the side wall portion 31A is The frictional force between the contact surface 26A increases. A part of the external force is absorbed by this frictional force.
Then, by further external force, the bottom end of the side wall portion 31A is elastically deformed so as to spread outward from the state indicated by the solid line shown in FIG. 2 abuts against the standing wall 25.
In the state shown by the two-dot chain line in FIG. 3, the external force is dispersed and absorbed at two points where the container body 2 and the lid member 3 come into contact with each other, and the lower end of the side wall 31A is elastically deformed so as to spread outward. External force can be absorbed and damage such as cracking of the lid 3 can be prevented. Further, the lower end of the side wall portion 31A does not cause elastic deformation further spreading from the state shown by the two-dot chain line in FIG. 3, so that the engagement / disengagement portion 31 spreads too much to cause cracking or elongation. Damage such as occurrence can be prevented.

一方、蓋材3を容器本体2に係合させて開口部21を閉塞する通常動作の場合、容器本体2の立壁部25の外周側に蓋材3の係脱部31を嵌め合わせる。そして、係脱部31の係合爪部31Bが容器本体2の係止爪部27に乗り上げる状態となる。この状態で、利用者が蓋材3に押圧力を作用させると、係合爪部31Bが係止爪部27を乗り越えるとともに、側壁部31Aの下端が当接面26Aに当接し、良好な取付感を提供して蓋材3が容器本体2に取り付けられる。
特に、収容するマーガリンは、外部環境により液状化または固形化するので、マーガリンが漏れ出ることを防止するための寸法精度が必要で、かつ内容物のマーガリンを利用する毎に開口部21の開閉動作が実施され、繰り返される開閉動作毎に押圧力が良好に係脱部31に作用して良好な開閉感を提供する必要があることから、射出成形した容器1により、良好な寸法精度が得られ、内容物の適切な収容と、蓋材3の良好な開閉が得られる。さらに、射出成形により、誤って落下して外力が作用しても損傷しない材料を選定することが容易にできる。
On the other hand, in the normal operation of closing the opening 21 by engaging the lid 3 with the container body 2, the engaging / disengaging part 31 of the lid 3 is fitted on the outer peripheral side of the standing wall 25 of the container body 2. Then, the engagement claw portion 31B of the engagement / disengagement portion 31 rides on the engagement claw portion 27 of the container body 2. When the user applies a pressing force to the lid member 3 in this state, the engaging claw portion 31B gets over the locking claw portion 27, and the lower end of the side wall portion 31A abuts against the abutting surface 26A. The lid 3 is attached to the container body 2 in a sense.
In particular, since the margarine to be contained is liquefied or solidified depending on the external environment, dimensional accuracy is required to prevent the margarine from leaking, and the opening / closing operation of the opening 21 is performed each time the content margarine is used. Since the pressing force is applied to the engagement / disengagement part 31 for each repeated opening / closing operation and it is necessary to provide a good opening / closing feeling, the injection molded container 1 can provide a good dimensional accuracy. Appropriate accommodation of the contents and good opening and closing of the lid 3 are obtained. Furthermore, by injection molding, it is possible to easily select a material that is accidentally dropped and is not damaged even when an external force is applied.

そして、上記実施形態では、距離B>距離A≧距離Dで、かつ当接面26Aが開口部21の外周側側面から延出する長さを、{(B−(B−A+D)1/2+C}の距離より長い距離としている。
このため、外力が蓋材3に作用した際、蓋材3の段差部33が開口縁である立壁部25に当接するとともに、蓋材3の側壁部31Aの下端が当接面26Aから脱落することなく当接面26Aに当接する状態となる。
このため、容器本体2と蓋材3とが当接する2カ所で外力を吸収でき、外力により蓋材3の外周縁が広がって割れや伸びなどの損傷が生じることを防止できる。したがって、損傷により蓋材3が容器本体2に取り付けできなくなる不都合を防止できる。
In the above embodiment, the distance B> distance A ≧ distance D and the length of the contact surface 26A extending from the outer peripheral side surface of the opening 21 is {(B 2 − (B−A + D) 2 ). The distance is longer than the distance of 1/2 + C}.
For this reason, when an external force acts on the lid member 3, the stepped portion 33 of the lid member 3 comes into contact with the standing wall portion 25 that is an opening edge, and the lower end of the side wall portion 31 </ b> A of the lid member 3 falls off from the contact surface 26 </ b> A. Without being in contact with the contact surface 26A.
For this reason, external force can be absorbed in two places where the container main body 2 and the lid member 3 abut, and it is possible to prevent the outer peripheral edge of the lid member 3 from spreading due to the external force and causing damage such as cracking and elongation. Therefore, the inconvenience that the lid 3 cannot be attached to the container body 2 due to damage can be prevented.

特に、上記実施形態では、距離B>距離A>距離Dとしている。
このため、蓋材3の側壁部31Aの下端が当接面26Aに当接する状態から蓋材3の段差部33が立壁部25に当接するまで、蓋材3の外周縁が外側に広がるように弾性変形して外力を吸収でき、蓋材3の損傷を防止できる。
In particular, in the above embodiment, distance B> distance A> distance D.
For this reason, the outer peripheral edge of the lid member 3 spreads outward from the state where the lower end of the side wall portion 31A of the lid member 3 abuts against the abutment surface 26A until the stepped portion 33 of the lid member 3 abuts against the standing wall portion 25. The external force can be absorbed by elastic deformation, and damage to the lid 3 can be prevented.

また、上記実施形態では、蓋材3が容器本体2に取り付けられた状態で、距離Dが0、すなわち蓋材3の外周縁が当接面26Aに当接する状態としている。
このため、蓋材3を容器本体2に取り付けた際、係合爪部31Bが係止爪部27を乗り越えるとともに、蓋材3の側壁部31Aの下端と当接面26Aとの当接による取付感が得られ、蓋材3の良好な取付感を提供できる。
Moreover, in the said embodiment, it is set as the state which the distance D is 0, ie, the outer periphery of the cover material 3 contact | abuts to the contact surface 26A, in the state in which the cover material 3 was attached to the container main body 2.
For this reason, when the lid member 3 is attached to the container body 2, the engaging claw portion 31B gets over the locking claw portion 27 and is attached by the contact between the lower end of the side wall portion 31A of the lid member 3 and the contact surface 26A. A feeling can be obtained and a good mounting feeling of the lid 3 can be provided.

さらに、上記実施形態では、{(B+D)−A}/B>31/2/2の条件で設計されている。
このため、段差部33が立壁部25に当接した状態で蓋材3の側壁部31Aの下端が外方に広がった際、外側に広がる角度が30°より小さくなる状態となる。したがって、蓋材3の段差部33が容器本体2の立壁部25に当接した際、蓋材3の側壁部31Aの下端が外側に大きく広がらず、蓋材3の損傷をより防止できる。
Furthermore, in the said embodiment, it designs on the conditions of {(B + D) -A} / B> 3 < 1/2 > / 2.
For this reason, when the lower end of the side wall portion 31A of the lid member 3 spreads outward in a state where the stepped portion 33 is in contact with the standing wall portion 25, the angle that spreads outward becomes smaller than 30 °. Therefore, when the stepped portion 33 of the lid member 3 comes into contact with the standing wall portion 25 of the container body 2, the lower end of the side wall portion 31 </ b> A of the lid member 3 does not spread greatly outward, and the lid member 3 can be further prevented from being damaged.

[変形例]
なお、以上説明した態様は、本発明の一態様を示したものであって、本発明は、前記した実施形態に限定されるものではなく、本発明の構成を備え、目的および効果を達成できる範囲内での変形や改良が、本発明の内容に含まれるものであることはいうまでもない。
具体的には、上記実施形態では、マーガリンを収容する容器を例示したが、バター、ショートニング、生クリーム、カスタードクリーム、各種ジャム、チーズなどの食材の他、アイスクリームや惣菜、弁当などの食品、化粧品、接着剤や充填剤、グリースなどの工業品、ビーズやクリップなどの玩具や文具など、各種物品の収容に利用できる。
[Modification]
The aspect described above shows one aspect of the present invention, and the present invention is not limited to the above-described embodiment, and has the configuration of the present invention and can achieve the object and effect. It goes without saying that modifications and improvements within the scope are included in the content of the present invention.
Specifically, in the above embodiment, a container containing margarine was exemplified, but in addition to ingredients such as butter, shortening, fresh cream, custard cream, various jams, cheese, food such as ice cream, side dish, lunch box, It can be used to store various items such as cosmetics, industrial products such as adhesives and fillers, grease, toys and stationery such as beads and clips.

そして、使用する樹脂原料は、収容する物品、加熱や冷凍などの用途などに応じて設定される。
また、蓋材3は、射出成形品に限られるものではなく、例えば惣菜やお弁当など1回で使い捨てされる容器など、寸法精度が比較的に要求されない用途の場合、シート成形など、他の成形方法で成形したものでもよい。
And the resin raw material to be used is set according to the goods to accommodate, uses, such as a heating and freezing.
The lid 3 is not limited to an injection-molded product. For example, in a case where the dimensional accuracy is relatively not required, such as a container that is disposable at one time, such as a side dish or a lunch box, other materials such as sheet molding are used. What was shape | molded with the shaping | molding method may be used.

そして、段差部33としては、例えば、蓋材3の内面のみ設け、蓋材3の天面部32の側面部32Bの外面から係脱部31の側壁部31Aの外面に渡って段差とならずに一連に設けてもよい。
さらに、蓋材3は、用途や意匠性などを考慮して、適宜凹凸形状を設けてもよい。
As the stepped portion 33, for example, only the inner surface of the lid member 3 is provided, and there is no step from the outer surface of the side surface portion 32B of the top surface portion 32 of the lid member 3 to the outer surface of the side wall portion 31A of the engagement / disengagement portion 31. You may provide in series.
Furthermore, the cover material 3 may be provided with an uneven shape as appropriate in consideration of applications, design properties, and the like.

また、蓋材3の係脱部31として、容器本体2の係止爪部27に係脱する係合爪部31Bを側壁部31Aに設けた構成に限らず、例えば、係合爪部31Bを設けず、側壁部31Aの外周縁が容器本体2の立壁部25の外周面に擦り合わさって保持される構成としたり、容器本体2の係止爪部27や外周縁に側壁部31Aの下端縁が乗り越えて係止される構成としたりするなど、外周側から係脱するいずれの構成とすることができる。   Further, the engagement / disengagement portion 31 of the lid member 3 is not limited to the configuration in which the engagement claw portion 31B to be engaged / disengaged with the engagement claw portion 27 of the container body 2 is provided on the side wall portion 31A. Without being provided, the outer peripheral edge of the side wall portion 31A is rubbed and held on the outer peripheral surface of the standing wall portion 25 of the container body 2, or the lower end edge of the side wall portion 31A is placed on the locking claw portion 27 or the outer periphery of the container body 2 It is possible to adopt any configuration that engages and disengages from the outer peripheral side, such as a configuration in which the vehicle is moved over and locked.

そして、例えば図5に示すように、係脱部31の側壁部31Aの下端が外方に向けて断面L字状に折曲形成され、下面が容器本体2の当接面に当接するフランジ部31Cを設けてもよい。
さらに、当接面26Aに、外力が作用して係脱部31の外周縁が外方へ弾性変形した際に当接する突部を設けてもよい。さらに、突部に代えて、図6に示すように、当接部26の先端縁を上方に向けて屈曲形成し、外力が作用して係脱部31の外周縁が外方へ弾性変形した際に当接するようにしてもよい。
And, for example, as shown in FIG. 5, a flange portion in which the lower end of the side wall portion 31 </ b> A of the engagement / disengagement portion 31 is bent outwardly in an L-shaped cross section and the lower surface is in contact with the contact surface of the container body 2. 31C may be provided.
Furthermore, you may provide the protrusion which contact | abuts on the contact surface 26A, when an external force acts and the outer periphery of the engagement / disengagement part 31 elastically deforms outward. Further, instead of the protrusion, as shown in FIG. 6, the tip edge of the contact portion 26 is bent upward, and the outer peripheral edge of the engagement / disengagement portion 31 is elastically deformed outward due to the external force. You may make it contact | abut.

また、上記実施形態では、係脱部31の係合爪部31Bを容器本体2の係止爪部27に係合した際、蓋材3の側壁部31Aの下端が当接面26Aに当接した状態、距離D=0としたが、この場合に限らず、例えば図7に示すように、側壁部31Aの下端が当接面26Aに当接していなくてもよい。
そして、距離D<距離Aとしたが、距離D=距離Aとしてもよい。この場合、外力が作用して側壁部31Aの下端が当接面26Aに当接した際に、段差部33が立壁部25の先端に当接することとなる。なお、上述したように、距離D<距離Aとすることで、外力が作用した際に係脱部31の側壁部31Aの下端が外方へ弾性変形する状態となり、外力を吸収できるので好ましい。
In the above embodiment, when the engagement claw portion 31B of the engagement / disengagement portion 31 is engaged with the engagement claw portion 27 of the container body 2, the lower end of the side wall portion 31A of the lid member 3 contacts the contact surface 26A. However, the present invention is not limited to this case. For example, as shown in FIG. 7, the lower end of the side wall 31A may not be in contact with the contact surface 26A.
Although distance D <distance A, distance D = distance A may be used. In this case, when the external force acts and the lower end of the side wall portion 31 </ b> A comes into contact with the contact surface 26 </ b> A, the stepped portion 33 comes into contact with the tip of the standing wall portion 25. As described above, it is preferable to set the distance D <distance A because the lower end of the side wall portion 31A of the engagement / disengagement portion 31 is elastically deformed outward when an external force is applied and the external force can be absorbed.

また、容器本体2の当接面26Aとしては、側板部23の上端縁の鍔部24に連続して設けた当接部26により構成する場合に限らず、例えば図8に示すように、側板部23の上端縁を内方に屈曲形成した部位の上面に構成するなどしてもよい。   Further, the contact surface 26A of the container body 2 is not limited to the case where the contact surface 26A is provided by being continuously provided on the flange 24 at the upper edge of the side plate portion 23. For example, as shown in FIG. The upper end edge of the portion 23 may be configured on the upper surface of the portion bent inward.

さらに、係脱部31は、蓋材3の全周囲に亘って設けられる必要はなく、長手方向または短手方向の一部に設けた構成としてもよい。   Furthermore, the engagement / disengagement part 31 does not need to be provided over the entire periphery of the lid member 3, and may be configured to be provided in a part in the longitudinal direction or the lateral direction.

その他、本発明を実施する際における具体的な構造および形状などは、本発明の目的および効果を達成できる範囲内において、他の構造や形状などとしても問題はない。本発明は前記した各実施形態に限定されるものではなく、本発明の目的を達成できる範囲での変形や改良は、本発明に含まれるものである。   In addition, there is no problem even if the specific structure and shape in carrying out the present invention are other structures and shapes as long as the objects and effects of the present invention can be achieved. The present invention is not limited to the above-described embodiments, and modifications and improvements within the scope that can achieve the object of the present invention are included in the present invention.

本発明は、食品、化粧品、工業品、玩具や文具などの各種物品を収容する容器に適用できる。   The present invention can be applied to containers for storing various articles such as foods, cosmetics, industrial products, toys and stationery.

1……容器
2……容器本体
3……蓋材
21……開口部
26A…当接面
31……係脱部
33……段差部
DESCRIPTION OF SYMBOLS 1 ... Container 2 ... Container main body 3 ... Cover material 21 ... Opening part 26A ... Contact surface 31 ... Engagement / disengagement part 33 ... Step part

Claims (7)

鉛直方向の上面に開口部を有した容器本体と、
前記容器本体に着脱可能に取り付けられ前記開口部を開閉する蓋材とを備え、
前記蓋材は、前記容器本体の開口部の外周側に外方から係脱可能な係脱部と、前記開口部の開口縁に鉛直方向で間隙を介して対向する段差部とを備え、
前記容器本体は、前記開口部の外周側に外方に向けて延出して設けられ前記蓋材の外周縁が当接する当接面を備え、
前記当接面は、前記間隙の距離をA、前記蓋材の段差部から外周縁までの距離をB、前記当接面の基端部と前記係脱部との間の距離をC、前記当接面と当該当接面に対向する前記蓋材の外周縁との間の距離をDとしたとき、前記開口部の外周側側面から{(B−(B−A+D)1/2+C}の距離より長い距離で延出され、かつ距離B>距離A≧距離Dである
ことを特徴とする容器。
A container body having an opening on the upper surface in the vertical direction;
A lid that is detachably attached to the container body and opens and closes the opening,
The lid member includes an engagement / disengagement portion that can be engaged / disengaged from the outside on the outer peripheral side of the opening of the container body, and a stepped portion that faces the opening edge of the opening through a gap in the vertical direction,
The container body includes an abutment surface that extends outward on the outer peripheral side of the opening and abuts against an outer peripheral edge of the lid member,
The contact surface has a distance of the gap A, a distance B from the stepped portion of the lid member to an outer peripheral edge, a distance C between a base end portion of the contact surface and the engagement / disengagement portion, When the distance between the contact surface and the outer peripheral edge of the lid material facing the contact surface is D, {(B 2 − (B−A + D) 2 ) 1 / 2 + C} is extended longer than the distance, and distance B> distance A ≧ distance D.
請求項1に記載の容器であって、
距離A>距離Dである
ことを特徴とする容器。
The container according to claim 1,
Distance A> Distance D
請求項1または請求項2に記載の容器であって、
前記間隙の距離Aは、以下の式(1)の条件である
{(B+D)−A}/B>31/2/2 …(1)
ことを特徴とする容器。
A container according to claim 1 or claim 2, wherein
The distance A of the gap is a condition of the following expression (1): {(B + D) −A} / B> 3 1/2 / 2 (1)
A container characterized by that.
請求項1から請求項3までのいずれか一項に記載の容器であって、
前記容器本体は、前記蓋材の外周縁が対向する当接面の位置より外周側に、鉛直方向の上方に向けて突設された突部を備えている
ことを特徴とする容器。
A container according to any one of claims 1 to 3,
The said container main body is provided with the protrusion protruded toward the upper direction of the perpendicular direction from the position of the contact surface where the outer periphery of the said cover material opposes. The container characterized by the above-mentioned.
請求項1から請求項4までのいずれか一項に記載の容器であって、
前記当接面と、当該当接面に対向する前記蓋材の外周縁とのうちの少なくともいずれか一方は、粗面に形成されている
ことを特徴とする容器。
A container according to any one of claims 1 to 4, wherein
At least one of the contact surface and the outer peripheral edge of the lid material facing the contact surface is formed in a rough surface.
請求項1から請求項5までのいずれか一項に記載の容器であって、
樹脂原料の射出成形により形成された
ことを特徴とする容器。
A container according to any one of claims 1 to 5,
A container formed by injection molding of a resin raw material.
請求項1から請求項6までのいずれか一項に記載の容器であって、
マーガリン用である
ことを特徴とする容器。
A container according to any one of claims 1 to 6,
Container for margarine.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016204003A (en) * 2015-04-18 2016-12-08 東洋科学株式会社 Food container
JP2017100756A (en) * 2015-11-30 2017-06-08 雪印メグミルク株式会社 container

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08282697A (en) * 1995-04-13 1996-10-29 M K Tec:Kk Hermetically closed container fitted with lid opening preventing function
JP2001206409A (en) * 2000-01-26 2001-07-31 Yoshino Kogyosho Co Ltd Synthetic resin container with cover
JP2012091837A (en) * 2010-10-28 2012-05-17 Toyo Science Co Ltd Lid of container

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08282697A (en) * 1995-04-13 1996-10-29 M K Tec:Kk Hermetically closed container fitted with lid opening preventing function
JP2001206409A (en) * 2000-01-26 2001-07-31 Yoshino Kogyosho Co Ltd Synthetic resin container with cover
JP2012091837A (en) * 2010-10-28 2012-05-17 Toyo Science Co Ltd Lid of container

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016204003A (en) * 2015-04-18 2016-12-08 東洋科学株式会社 Food container
JP2017100756A (en) * 2015-11-30 2017-06-08 雪印メグミルク株式会社 container

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