JP2018172171A - Measuring container - Google Patents

Measuring container Download PDF

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JP2018172171A
JP2018172171A JP2017073062A JP2017073062A JP2018172171A JP 2018172171 A JP2018172171 A JP 2018172171A JP 2017073062 A JP2017073062 A JP 2017073062A JP 2017073062 A JP2017073062 A JP 2017073062A JP 2018172171 A JP2018172171 A JP 2018172171A
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container
wall portion
peripheral wall
cylinder
measuring
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JP6868445B2 (en
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早川　茂
Shigeru Hayakawa
早川　　茂
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Yoshino Kogyosho Co Ltd
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Yoshino Kogyosho Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a measuring container which lessens a residual amount of contents of a container body.SOLUTION: A measuring container 1 comprises: a container body 4 which comprises an inner container 2 in which volume-reducing deformation occurs as the content reduces and an outer container 3 into which the inner container is inserted and which is elastically deformable; a measuring member 5 which is installed in a mouth portion 4a of the container body and is capable of checking the inside visually; and a discharge valve 9 which allows circulation of the contents toward the inside of the measuring member from the inside of the inner container, and blocks circulation in a reverse direction. A suction hole 6 through which outside air is sucked between the inner container and the outer container is formed to the outer container.SELECTED DRAWING: Figure 1

Description

本発明は、計量容器に関する。   The present invention relates to a weighing container.

従来から、例えば、下記特許文献１に示されるような、内容物が収容されるとともにスクイズ変形可能な容器本体と、容器本体の口部に装着された計量カップと、計量カップの底部に立設された注入筒と、内部が注入筒の内側に連通するとともに下端部が容器本体内の底部に配置された注入管と、を備える計量容器が知られている。計量カップには、例えば、内容物を計量するための目盛が設けられている。   Conventionally, for example, as shown in Patent Document 1 below, a container body that can accommodate contents and can be squeezed deformed, a measuring cup attached to the mouth of the container body, and a bottom of the measuring cup There is known a measuring container including an injection tube that is formed, and an injection tube that has an inside communicating with the inside of the injection tube and a lower end portion disposed at the bottom of the container body. The measuring cup is provided with a scale for measuring the contents, for example.

このような計量容器を用いて内容物を計量する場合には、容器本体をスクイズ変形させて容器本体の内圧を上昇させることで、容器本体内の内容物を、注入管を通して計量カップに向けて流動させる。注入管内を流動した内容物は、注入筒の上端開口部から計量カップ内に導入される。計量カップ内の内容物の液面が前記目盛に達したら容器本体のスクイズ変形を停止または解除させて、内容物の計量を終了する。計量後の計量カップ内の内容物は計量容器を例えば傾倒させることで、外部に吐出される。   When measuring the contents using such a measuring container, squeeze the container body to increase the internal pressure of the container body so that the contents in the container body are directed to the measuring cup through the injection tube. Let it flow. The contents flowing through the injection tube are introduced into the measuring cup from the upper end opening of the injection tube. When the liquid level of the content in the measuring cup reaches the scale, the squeeze deformation of the container body is stopped or released, and the content measurement is finished. The contents in the measuring cup after the measurement are discharged to the outside by, for example, tilting the measuring container.

実開平３−３８７５５号公報Japanese Utility Model Publication No. 3-38755

しかしながら、前記従来の計量容器では、容器本体内の内容物の残量が少なくなったときに、例えば内容物が容器本体の底部に薄く拡がる等するため、このような内容物を注入管に進入させることが難しく、容器本体内に内容物が残留してしまう可能性がある。   However, in the conventional measuring container, when the remaining amount of the contents in the container main body decreases, for example, the contents spread thinly at the bottom of the container main body, so that such contents enter the injection tube. It is difficult to cause the contents to remain in the container body.

本発明は、このような事情に鑑みてなされたものであって、その目的は、容器本体内の内容物の残量を少なくできる計量容器を提供することである。   This invention is made | formed in view of such a situation, The objective is to provide the measuring container which can reduce the residual amount of the content in a container main body.

前記課題を解決するために、本発明は以下の手段を提案している。すなわち、本発明の計量容器は、内容物の減少に伴い減容変形する内容器、および前記内容器が内装されるとともに弾性変形可能な外容器を備える容器本体と、前記容器本体の口部に装着され、内部を視認可能な計量部材と、前記内容器の内部から前記計量部材の内部に向けた内容物の流通を許容し、かつその逆方向への流通を遮断する吐出弁と、を備え、前記外容器に、前記内容器との間に外気を吸入可能な吸気孔が形成されていることを特徴とする。   In order to solve the above problems, the present invention proposes the following means. That is, the measuring container of the present invention includes an inner container that is reduced in volume as the contents are reduced, a container body that includes the inner container and an outer container that is elastically deformable, and a mouth portion of the container body. A metering member mounted and visually observing the inside, and a discharge valve that allows the content to flow from the inside of the inner container to the inside of the metering member and blocks the flow in the opposite direction. The outer container is formed with an intake hole capable of sucking outside air between the inner container and the outer container.

本発明によれば、外容器をスクイズ変形（弾性変形）させることで内容器を減容変形させて、内容器の内圧を上昇させる。これにより、吐出弁が開弁されて内容器内の内容物が計量部材内に導入される。計量部材はその内部を視認可能であるため、計量部材内で内容物を計量した後に、外容器のスクイズ変形を停止して吐出弁を閉弁させ、内容器内から計量部材内への内容物の導入を停止する。外容器のスクイズ変形を解除すると、外容器の吸気孔を通して外容器と内容器との間に外気が吸入され、外容器は復元変形する一方で、吐出弁は閉弁されているので計量部材内から内容器内への内容物や空気の逆流が防止され、よって内容器の減容変形は維持される。計量部材内の内容物は、例えば計量容器を傾倒させることで外部に吐出される。このようにして内容物の計量および吐出を繰り返すと、内容器が押しつぶされてその容積が漸次減少するので、内容器内の内容物の残量を少なくすることができる。
また、注入管を備える前記従来の計量容器では、計量容器を傾倒させて注入管の下端部が内容物の液面から浮き上がると、容器本体をスクイズ変形させても内容物を注入管に進入させることができなくなるが、本発明では、内容器の減容変形による内容物の計量部材への導入は計量容器の姿勢に関わらず実施できるので、例えば計量容器を傾倒させた状態で外容器をスクイズ変形させて、計量部材を通して内容器内の内容物を連続的に吐出することも可能である。 According to the present invention, the inner container is reduced in volume by squeezing (elastically deforming) the outer container, and the internal pressure of the inner container is increased. Thereby, the discharge valve is opened, and the contents in the inner container are introduced into the measuring member. Since the inside of the measuring member can be visually confirmed, after measuring the contents in the measuring member, the squeeze deformation of the outer container is stopped and the discharge valve is closed, so that the contents from the inner container to the measuring member are closed. Stop the introduction of. When the squeeze deformation of the outer container is released, outside air is sucked between the outer container and the inner container through the intake hole of the outer container, and the outer container is restored and deformed, while the discharge valve is closed. Therefore, the backflow of contents and air into the inner container is prevented, so that the volume reduction deformation of the inner container is maintained. The contents in the measuring member are discharged to the outside, for example, by tilting the measuring container. When the measurement and discharge of the contents are repeated in this way, the inner container is crushed and its volume gradually decreases, so that the remaining amount of the contents in the inner container can be reduced.
In addition, in the conventional measuring container having an injection tube, when the measuring container is tilted and the lower end of the injection tube is lifted from the liquid level of the content, the content enters the injection tube even if the container body is squeezed. However, in the present invention, the introduction of the contents into the measuring member by the volume reduction deformation of the inner container can be performed regardless of the posture of the measuring container. For example, the outer container is squeezed while the measuring container is tilted. It is also possible to deform and continuously discharge the contents in the inner container through the measuring member.

ここで、前記計量部材は、天壁部を有する有頂筒状に形成されるとともに、前記計量部材内に外気を導入可能な外気導入孔を有し、前記天壁部には、上方に向けて突出するとともに、内容物を吐出可能な吐出孔を有する吐出筒が形成されてもよい。   Here, the measuring member is formed in a cylindrical shape having a top wall portion, and has an outside air introduction hole into which the outside air can be introduced into the measuring member, and the ceiling wall portion is directed upward. And a discharge cylinder having a discharge hole through which the contents can be discharged.

この場合、計量部材は、天壁部を有する有頂筒状に形成されるとともに、計量部材内に外気を導入可能な外気導入孔を有し、天壁部には、上方に向けて突出するとともに、内容物を吐出可能な吐出孔を有する吐出筒が形成されているので、計量部材内の内容物をこの吐出筒の吐出孔を通して細い線状に吐出させることができ、所望の位置に内容物を適切に吐出しやすくなる。また、例えば計量容器を傾倒させた状態で外容器をスクイズ変形させて、計量部材の内部を通して内容器内の内容物を連続的に吐出させる場合には、吐出筒の吐出孔を通すことで、内容物を安定して吐出させることができる。さらに、吐出孔を通した内容物の吐出時に、外気導入孔を通して外気を計量部材内に導入させることができるので、計量部材内が負圧になることで内容物の吐出が滞ることを防止できる。   In this case, the measuring member is formed in a cylindrical shape having a top wall portion, and has an outside air introduction hole into which the outside air can be introduced into the measuring member, and projects upward from the top wall portion. In addition, since a discharge cylinder having discharge holes capable of discharging the contents is formed, the contents in the measuring member can be discharged in a thin line shape through the discharge holes of the discharge cylinder, and the contents can be obtained at desired positions. It becomes easier to properly discharge objects. Also, for example, when the outer container is squeezed and deformed while the measuring container is tilted and the contents in the inner container are continuously discharged through the inside of the measuring member, by passing through the discharge hole of the discharge cylinder, The contents can be discharged stably. Furthermore, since the outside air can be introduced into the measuring member through the outside air introduction hole when the contents are discharged through the discharge hole, the discharge of the contents can be prevented from being delayed due to the negative pressure in the measuring member. .

また、前記計量部材には、前記天壁部を開放可能に覆う蓋部材が配設され、前記蓋部材には、前記吐出孔を閉塞する第１閉塞部と、前記外気導入孔を閉塞する第２閉塞部と、が配設されてもよい。   The metering member is provided with a lid member that covers the top wall so as to be openable. The lid member includes a first closing portion that closes the discharge hole and a first closing portion that closes the outside air introduction hole. 2 occlusion parts may be arranged.

この場合、計量部材には、天壁部を開放可能に覆う蓋部材が配設され、蓋部材には、吐出孔を閉塞する第１閉塞部と、外気導入孔を閉塞する第２閉塞部と、が配設されているので、蓋部材が天壁部を覆っている状態では、吐出孔や外気導入孔を通した計量部材内の内容物の漏出を防止することができる。   In this case, the measuring member is provided with a lid member that covers the top wall portion so as to be openable. The lid member includes a first closing portion that closes the discharge hole, and a second closing portion that closes the outside air introduction hole. Therefore, in a state where the lid member covers the top wall portion, it is possible to prevent leakage of contents in the measuring member through the discharge hole and the outside air introduction hole.

また、前記計量部材は、前記容器本体の前記口部に装着された下側周壁部と、前記下側周壁部に装着された上側周壁部と、を有し、前記下側周壁部および前記上側周壁部の少なくとも一方が、透明または半透明であってもよい。   Further, the measuring member has a lower peripheral wall portion attached to the mouth portion of the container body, and an upper peripheral wall portion attached to the lower peripheral wall portion, and the lower peripheral wall portion and the upper upper portion At least one of the peripheral wall portions may be transparent or translucent.

この場合、計量部材は、容器本体の口部に装着された下側周壁部と、下側周壁部に装着された上側周壁部と、を有し、下側周壁部および上側周壁部の少なくとも一方が、透明または半透明であるので、計量部材の径方向外側からその内部を視認できるとともに、計量部材を径方向外側から視認したときの下側周壁部と上側周壁部との境界線を、内容物の計量目盛として使用することができる。   In this case, the measuring member has a lower peripheral wall portion attached to the mouth portion of the container body and an upper peripheral wall portion attached to the lower peripheral wall portion, and at least one of the lower peripheral wall portion and the upper peripheral wall portion. Is transparent or translucent, so that the inside of the measuring member can be visually recognized from the outside in the radial direction, and the boundary line between the lower peripheral wall portion and the upper peripheral wall portion when the measuring member is viewed from the radially outer side, It can be used as a weighing scale for things.

また、前記下側周壁部および前記上側周壁部の色が、互いに異なってもよい。   Moreover, the color of the said lower side surrounding wall part and the said upper side surrounding wall part may mutually differ.

この場合、下側周壁部および上側周壁部の色が互いに異なっているので、計量部材を径方向外側から視認したときの下側周壁部と上側周壁部との境界線をより明確にできる。   In this case, since the colors of the lower peripheral wall portion and the upper peripheral wall portion are different from each other, the boundary line between the lower peripheral wall portion and the upper peripheral wall portion when the measuring member is viewed from the radially outer side can be made clearer.

本発明に係る計量容器によれば、容器本体内の内容物の残量を少なくできる。   According to the measuring container according to the present invention, the remaining amount of the contents in the container body can be reduced.

本発明に係る計量容器の第１実施形態を示す縦断面図である。It is a longitudinal section showing a 1st embodiment of a measuring container concerning the present invention. 本発明に係る計量容器の第２実施形態を示す縦断面図である。It is a longitudinal cross-sectional view which shows 2nd Embodiment of the measuring container which concerns on this invention.

（第１実施形態）
以下、本発明に係る計量容器の第１実施形態について図面を参照して説明する。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。
図１に示すように、本実施形態の計量容器１は、内容物が収容されるとともに内容物の減少に伴い減容変形（しぼみ変形）する可撓性に富む内容器２、および内容器２が内装されるとともに弾性変形可能な外容器３を有する容器本体４と、容器本体４の口部４ａに装着された筒状の計量部材５と、内容器２の内部から計量部材５の内部に向けた内容物の流通を許容し、かつその逆方向の流通を遮断する吐出弁９と、を備える。 (First embodiment)
Hereinafter, a first embodiment of a measuring container 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 to make each member a recognizable size.
As shown in FIG. 1, the measuring container 1 of the present embodiment has a flexible inner container 2 that accommodates the contents and undergoes volumetric deformation (squeezing deformation) as the contents decrease, and the inner container 2. The container body 4 having an outer container 3 that is elastically deformable and a cylindrical weighing member 5 attached to the mouth 4a of the container body 4, and the inside of the inner container 2 to the inside of the weighing member 5 A discharge valve 9 that permits the flow of the contents to be directed and blocks the flow in the opposite direction.

なお、内容器２、外容器３、および計量部材５は、それぞれの中心軸が共通軸上に位置された状態で配設されている。本実施形態では、この共通軸を容器軸Ｏといい、容器軸Ｏに沿った容器本体４の口部４ａ側を上側、容器本体４の不図示の底部側を下側という。また、容器軸Ｏ方向から見た平面視において、容器軸Ｏに直交する方向を径方向といい、容器軸Ｏ回りに周回する方向を周方向という。   In addition, the inner container 2, the outer container 3, and the measuring member 5 are arrange | positioned in the state in which each central axis was located on the common axis. In the present embodiment, this common axis is referred to as a container axis O, the mouth 4a side of the container body 4 along the container axis O is referred to as the upper side, and the bottom side (not shown) of the container body 4 is referred to as the lower side. Further, in a plan view viewed from the container axis O direction, a direction orthogonal to the container axis O is referred to as a radial direction, and a direction around the container axis O is referred to as a circumferential direction.

容器本体４は、ブロー成形により形成され、外容器３の内面に内容器２の外面が剥離可能に積層された積層剥離型容器（デラミボトル）とされている。
ブロー成形としては、例えば押出成形等によって二重（内外）に組み合わされた積層パリソンを形成し、この積層パリソンをブロー成形することで容器本体４を形成してもよい（押出ブロー成形）。また、射出成形等によって外容器用のプリフォーム、および内容器用のプリフォームを各別に形成しておき、これらを二重（内外）に組み合わせて一体に二軸延伸ブロー成形することで容器本体４を形成してもよい。
なお、外容器用のプリフォームを先に二軸延伸ブロー成形して外容器３を形成した後、内容器用のプリフォームを外容器３の内部に配置し、その後、内容器用のプリフォームを二軸延伸ブロー成形することで容器本体４を形成してもよい。 The container body 4 is formed by blow molding, and is formed as a delamination type container (delami bottle) in which the outer surface of the inner container 2 is laminated on the inner surface of the outer container 3 so as to be peelable.
As blow molding, for example, a laminated parison combined double (inside and outside) by extrusion molding or the like may be formed, and the container body 4 may be formed by blow molding this laminated parison (extrusion blow molding). Further, the preform for the outer container and the preform for the inner container are separately formed by injection molding or the like, and these are combined in a double (inner and outer) and integrally formed into a biaxially stretched blow molding, thereby forming the container body 4. May be formed.
The outer container preform is biaxially stretched blow-molded first to form the outer container 3, and then the inner container preform is placed inside the outer container 3, and then the inner container preform is placed in the second container. The container body 4 may be formed by axial stretch blow molding.

なお、内容器２および外容器３は合成樹脂製とされ、剥離可能な組み合わせであれば互いに同材質でもよいし異材質でもよい。合成樹脂材料の一例としては、例えば、ＰＥＴ（ポリエチレンテレフタレート）、ＰＰ（ポリプロピレン）、ＰＥ（ポリエチレン）、ナイロン（ポリアミド）、ＥＶＯＨ（エチレン−ビニルアルコール共重合体）等が挙げられる。これらの合成樹脂材料の中から、外容器３と内容器２とは剥離可能（相溶性がない）となる組み合わせで形成される。   The inner container 2 and the outer container 3 are made of synthetic resin, and may be made of the same material or different materials as long as they are detachable combinations. Examples of synthetic resin materials include PET (polyethylene terephthalate), PP (polypropylene), PE (polyethylene), nylon (polyamide), EVOH (ethylene-vinyl alcohol copolymer), and the like. Out of these synthetic resin materials, the outer container 3 and the inner container 2 are formed in a combination that can be peeled (not compatible).

容器本体４は、口部４ａ、肩部４ｂ、胴部４ｃ、および不図示の底部が上側から下側に向けてこの順に連設された有底筒状に形成されている。肩部４ｂは、上側から下側に向かうに従い漸次、拡径している。胴部４ｃは、例えば横断面視円形状に形成されている。
なお、容器本体４を構成する外容器３はスクイズ変形可能とされ、この外容器３をスクイズ変形させることで内容器２は減容変形する。よって、外容器３のうち少なくとも胴部４ｃに位置する部分は、径方向内側（容器内側）に向けて弾性変形可能とされている。 The container body 4 is formed in a bottomed cylindrical shape in which a mouth portion 4a, a shoulder portion 4b, a body portion 4c, and a bottom portion (not shown) are continuously provided in this order from the upper side to the lower side. The shoulder 4b gradually increases in diameter from the upper side toward the lower side. The trunk | drum 4c is formed in the cross-sectional view circular shape, for example.
The outer container 3 constituting the container body 4 can be squeezed and deformed, and the inner container 2 is deformed and deformed by squeezing the outer container 3. Therefore, at least a portion of the outer container 3 positioned in the body 4c can be elastically deformed toward the radially inner side (inner side of the container).

容器本体４の口部４ａは、肩部４ｂの上端開口部から上方に向けて延びる円筒状に形成されている。この容器本体４の口部４ａは、内容器２の口部２ａと外容器３の口部３ａとが積層された構成とされている。
内容器２の口部２ａの上端部には、径方向外側に突出する環状の折り返し部が形成され、この折り返し部が外容器３の口部３ａの上端開口縁に配置されている。そのため、外容器３の口部３ａは、内容器２によって閉塞されている。外容器３の口部３ａには、外容器３と内容器２との間に、後述する通気孔２３を経由して空気を吸入する吸気孔６が複数形成されている。なお、吸気孔６は、外容器３のうち、口部３ａ以外の胴部若しくは底部等に形成されてもよい。
外容器３の口部３ａの外周面には、後述する装着筒２１を螺着するための雄ネジ部３ｂが形成されており、雄ネジ部３ｂには、この雄ネジ部３ｂを上下方向の全域にわたって周方向に分断する凹部３ｃが形成されている。 The mouth 4a of the container body 4 is formed in a cylindrical shape that extends upward from the upper end opening of the shoulder 4b. The mouth 4a of the container body 4 is configured such that the mouth 2a of the inner container 2 and the mouth 3a of the outer container 3 are laminated.
An annular folded portion protruding outward in the radial direction is formed at the upper end portion of the mouth portion 2 a of the inner container 2, and this folded portion is disposed at the upper end opening edge of the mouth portion 3 a of the outer container 3. Therefore, the mouth 3 a of the outer container 3 is closed by the inner container 2. A plurality of intake holes 6 are formed in the mouth portion 3a of the outer container 3 between the outer container 3 and the inner container 2 for sucking air through a vent hole 23 described later. In addition, the intake hole 6 may be formed in the body part or the bottom part of the outer container 3 other than the mouth part 3a.
A male screw portion 3b for screwing a mounting cylinder 21 to be described later is formed on the outer peripheral surface of the mouth portion 3a of the outer container 3. The male screw portion 3b is connected to the male screw portion 3b in the vertical direction. A recess 3c that is divided in the circumferential direction over the entire region is formed.

ここで、図示の例では、容器本体４の口部４ａの上端開口縁に中栓８が配置されている。
中栓８は、容器本体４の口部４ａの上端開口縁に配置された環状の外ベース部８ａと、外ベース部８ａよりも径方向内側に位置する内ベース部８ｂと、上下方向に延び、外ベース部８ａにおける径方向の内端部と内ベース部８ｂにおける径方向の外端部とを連結する連結筒部８ｃと、外ベース部８ａの外周縁部から上方に向けて延び、計量部材５を計量部材５の下方から支持する支持筒部８ｄと、を備えている。外ベース部８ａ、内ベース部８ｂ、連結筒部８ｃ、および支持筒部８ｄは、容器軸Ｏと同軸に配設されている。内ベース部８ｂは外ベース部８ａよりも上方に位置している。 Here, in the illustrated example, the inner plug 8 is arranged at the upper end opening edge of the mouth portion 4 a of the container body 4.
The inner plug 8 extends in the vertical direction from an annular outer base portion 8a disposed at the upper end opening edge of the mouth portion 4a of the container body 4, an inner base portion 8b positioned radially inward of the outer base portion 8a. A connecting cylinder portion 8c that connects the radially inner end portion of the outer base portion 8a and the radially outer end portion of the inner base portion 8b, and extends upward from the outer peripheral edge portion of the outer base portion 8a. And a support cylinder portion 8 d that supports the member 5 from below the measuring member 5. The outer base portion 8a, the inner base portion 8b, the connecting tube portion 8c, and the support tube portion 8d are disposed coaxially with the container axis O. The inner base portion 8b is located above the outer base portion 8a.

外ベース部８ａには、上方に向けて突出し、連結筒部８ｃを径方向外側から囲む立ち上がり筒部１４と、下方に向けて突出し、容器本体４の口部４ａの内側に嵌合して、容器本体４の口部４ａをシールする嵌合筒１５と、が形成されている。外ベース部８ａは、後述する装着筒２１の内側に嵌合されており、外ベース部８ａの外周面には、上下方向に延びる溝部８ｅが形成されている。このため、装着筒２１の内側における、外ベース部８ａを挟む上下の空間は、溝部８ｅを通して互いに連通されている。
内ベース部８ｂは、平面視円形の板状に形成されている。内ベース部８ｂには、上下方向に貫く流通孔１６が形成され、流通孔１６は容器軸Ｏと同軸に配置されている。
支持筒部８ｄは、容器本体４の口部４ａと計量部材５の間の上下方向の隙間に配置され、計量部材５の下面に当接している。このため、口部４ａに装着された計量部材５の下面と口部４ａの上端開口縁との間隔は、計量部材５の下面と口部４ａの上端開口縁とによって挟持された中栓８によって規定されている。 The outer base portion 8a protrudes upward, protrudes downward from the rising cylindrical portion 14 surrounding the connecting cylindrical portion 8c from the outside in the radial direction, and fits inside the mouth portion 4a of the container body 4, A fitting cylinder 15 that seals the mouth 4a of the container body 4 is formed. The outer base portion 8a is fitted inside a mounting cylinder 21 to be described later, and a groove portion 8e extending in the vertical direction is formed on the outer peripheral surface of the outer base portion 8a. For this reason, the upper and lower spaces sandwiching the outer base portion 8a inside the mounting cylinder 21 are in communication with each other through the groove portion 8e.
The inner base portion 8b is formed in a circular plate shape in plan view. A flow hole 16 penetrating in the vertical direction is formed in the inner base portion 8b, and the flow hole 16 is arranged coaxially with the container axis O.
The support cylinder portion 8 d is disposed in the vertical gap between the mouth portion 4 a of the container body 4 and the measuring member 5 and is in contact with the lower surface of the measuring member 5. For this reason, the space | interval of the lower surface of the measurement member 5 with which the opening | mouth part 4a was mounted | worn, and the upper end opening edge of the opening part 4a is the inside plug 8 clamped by the lower surface of the measurement member 5 and the upper end opening edge of the opening part 4a. It is prescribed.

計量部材５は、天壁部５１を有する有頂筒状に形成されている。計量部材５は、その内部に内容物を貯留可能となっており、内容物を計量するために用いられる。計量部材５は、例えば合成樹脂製とされている。   The measuring member 5 is formed in a top tube shape having a top wall portion 51. The measuring member 5 can store the contents therein and is used for measuring the contents. The measuring member 5 is made of, for example, a synthetic resin.

また、計量部材５は、容器本体４の口部４ａに装着された下側周壁部５４と、下側周壁部５４に装着された上側周壁部５３と、を有している。上側周壁部５３は、天壁部５１の外周縁部から下方に向けて延びている。下側周壁部５４は、上側周壁部５３に上側周壁部５３の下方から連結され、その下端部に、径方向の内側に向けて突出する環状の底壁部５２が配設されている。互いに連結された上側周壁部５３および下側周壁部５４は、その外径が上下方向の全域にわたって同等とされた直筒状となっている。上側周壁部５３および下側周壁部５４は、いずれも容器軸Ｏと同軸に配置されている。
本実施形態において、天壁部５１と上側周壁部５３とは、一体に形成されて有頂筒状の上筒部５５となっており、下側周壁部５４と底壁部５２とは、一体に形成されて有底筒状の下筒部５６となっている。 The measuring member 5 includes a lower peripheral wall portion 54 attached to the mouth portion 4 a of the container body 4 and an upper peripheral wall portion 53 attached to the lower peripheral wall portion 54. The upper peripheral wall portion 53 extends downward from the outer peripheral edge portion of the top wall portion 51. The lower peripheral wall portion 54 is connected to the upper peripheral wall portion 53 from below the upper peripheral wall portion 53, and an annular bottom wall portion 52 that protrudes inward in the radial direction is disposed at the lower end portion thereof. The upper peripheral wall portion 53 and the lower peripheral wall portion 54 that are connected to each other have a straight cylindrical shape whose outer diameter is the same over the entire area in the vertical direction. The upper peripheral wall portion 53 and the lower peripheral wall portion 54 are both arranged coaxially with the container axis O.
In the present embodiment, the top wall portion 51 and the upper peripheral wall portion 53 are integrally formed to form a top tube-shaped upper tube portion 55, and the lower peripheral wall portion 54 and the bottom wall portion 52 are integrally formed. The bottomed cylindrical part 56 is formed in a bottomed cylindrical shape.

下筒部５６は透明または半透明となっており、下側周壁部５４の径方向外側から、計量部材５の内部を視認可能となっている。下筒部５６は、例えば、透明または半透明の合成樹脂材料によって形成されている。なお、内部の視認性を確保できるのであれば、例えば、下筒部５６の成形に用いられる合成樹脂材料に顔料等を混入させて着色したり、成形後の下筒部５６の表面に塗装等を施したりしてもよい。下側周壁部５４の一部が、径方向外側から計量部材５の内部を視認可能な透明または半透明の窓部とされてもよい。
下側周壁部５４のうち、上端部５４ａの外径は、他の部分の外径よりも小さく、上端部５４ａの外周面と前記他の部分の外周面とは、上方を向き周方向に延びる環状面５４ｂを介して互いに連結されている。上端部５４ａの内径は、前記他の部分の内径と同等である。 The lower cylindrical portion 56 is transparent or semi-transparent, and the inside of the measuring member 5 can be visually recognized from the radially outer side of the lower peripheral wall portion 54. The lower cylinder portion 56 is made of, for example, a transparent or translucent synthetic resin material. If the internal visibility can be secured, for example, the synthetic resin material used for molding the lower cylinder portion 56 is colored by mixing a pigment or the like, or the surface of the lower cylinder portion 56 after molding is painted or the like. Or may be given. A part of the lower peripheral wall portion 54 may be a transparent or translucent window portion in which the inside of the measuring member 5 can be visually recognized from the outside in the radial direction.
Of the lower peripheral wall portion 54, the outer diameter of the upper end portion 54a is smaller than the outer diameter of other portions, and the outer peripheral surface of the upper end portion 54a and the outer peripheral surface of the other portion extend upward in the circumferential direction. They are connected to each other via an annular surface 54b. The inner diameter of the upper end portion 54a is equal to the inner diameter of the other portion.

下筒部５６の下端部には、この下端部から下方に向けて延びる装着筒２１が配設されている。なお、下筒部５６と装着筒２１とは一体に形成されている。装着筒２１の外径は、下筒部５６の外径より大きい。装着筒２１は容器本体４の口部４ａに螺着されており、これによって計量部材５は口部４ａに装着されている。なお、装着筒２１がアンダーカット嵌合等によって口部４ａに装着されてもよい。
下筒部５６の下端部と装着筒２１との連結部分には、径方向に貫通し、装着筒２１の外部と内部とを互いに連通させる通気孔２３が形成されている。このため、計量容器１の外気を、通気孔２３、中栓８の溝部８ｅ、並びに外容器３の凹部３ｃおよび吸気孔６を通して、外容器３と内容器２との間に吸入可能となっている。通気孔２３は、例えば、射出成形における食い切り、すなわち射出成形時にキャビティ金型とコア金型とを部分的に接触させ、この部分に溶融樹脂を進入させないことで形成されている。 A mounting cylinder 21 extending downward from the lower end is disposed at the lower end of the lower cylinder 56. The lower cylinder portion 56 and the mounting cylinder 21 are integrally formed. The outer diameter of the mounting cylinder 21 is larger than the outer diameter of the lower cylinder part 56. The mounting cylinder 21 is screwed into the mouth portion 4a of the container body 4, and the measuring member 5 is thus attached to the mouth portion 4a. The mounting cylinder 21 may be mounted on the mouth portion 4a by undercut fitting or the like.
The connecting portion between the lower end portion of the lower cylinder portion 56 and the mounting cylinder 21 is formed with a vent hole 23 that penetrates in the radial direction and communicates the outside and the inside of the mounting cylinder 21 with each other. Therefore, the outside air of the measuring container 1 can be sucked between the outer container 3 and the inner container 2 through the vent hole 23, the groove 8 e of the inner plug 8, and the recess 3 c and the intake hole 6 of the outer container 3. Yes. The vent hole 23 is formed by, for example, cutting-off in injection molding, that is, by causing the cavity mold and the core mold to partially contact at the time of injection molding, and not allowing the molten resin to enter this part.

底壁部５２における径方向の内端部には、この内端部から下方に延びる嵌合筒部５２ａが一体に形成されている。嵌合筒部５２ａは、中栓８の連結筒部８ｃと立ち上がり筒部１４との間の径方向の隙間に密に嵌合されている。   A fitting tube portion 52 a extending downward from the inner end portion is integrally formed at the inner end portion in the radial direction of the bottom wall portion 52. The fitting cylinder part 52 a is closely fitted in the radial gap between the connecting cylinder part 8 c of the inner plug 8 and the rising cylinder part 14.

底壁部５２における径方向の内側には、前記吐出弁９が配設されている。吐出弁９は、内ベース部８ｂの上面に上方に向けて離反可能に載置されている。吐出弁９は、例えば平面視円形状に形成されており、内ベース部８ｂに形成された流通孔１６を開放可能に閉塞している。吐出弁９は、容器軸Ｏと同軸に配置されている。吐出弁９は、複数（３本）の弾性アーム９１を介して底壁部５２の内周縁に連結されている。吐出弁９および弾性アーム９１は、底壁部５２と一体に形成されている。   The discharge valve 9 is disposed inside the bottom wall 52 in the radial direction. The discharge valve 9 is mounted on the upper surface of the inner base portion 8b so as to be separated upward. The discharge valve 9 is formed in a circular shape in plan view, for example, and closes the flow hole 16 formed in the inner base portion 8b so as to be openable. The discharge valve 9 is arranged coaxially with the container axis O. The discharge valve 9 is connected to the inner peripheral edge of the bottom wall portion 52 via a plurality (three) of elastic arms 91. The discharge valve 9 and the elastic arm 91 are formed integrally with the bottom wall portion 52.

弾性アーム９１は、例えば周方向に延びるように形成されることで適度なばね性が確保されているとともに、径方向の内端部が吐出弁９の外周面に接続され、かつ径方向の外端部が底壁部５２に接続されている。そして、この弾性アーム９１は、内容器２内の内容物が流通孔１６を通過する際に、吐出弁９を上方に移動させるように弾性変形して、吐出弁９を内ベース部８ｂの上面から離反させる。
なお、弾性アーム９１の数は３つに限定されるものではない。また、吐出弁９としては、内容器２内の内容物が流通孔１６を通過する際に、流通孔１６を開放できればよく、上記構成以外の弁構造としてもよい。 The elastic arm 91 is formed, for example, so as to extend in the circumferential direction, so that an appropriate spring property is ensured, the inner end portion in the radial direction is connected to the outer peripheral surface of the discharge valve 9, and the outer side in the radial direction is The end portion is connected to the bottom wall portion 52. The elastic arm 91 is elastically deformed so as to move the discharge valve 9 upward when the contents in the inner container 2 pass through the flow hole 16, so that the discharge valve 9 is moved to the upper surface of the inner base portion 8 b. Keep away from.
The number of elastic arms 91 is not limited to three. Moreover, as the discharge valve 9, what is necessary is just to be able to open | release the flow hole 16 when the contents in the inner container 2 pass the flow hole 16, and it is good also as valve structures other than the said structure.

上筒部５５は着色されており、下筒部５６に比べて、計量部材５の内部に対する視認性は低くなっている。すなわち、上筒部５５および下筒部５６の色は互いに異なっており、よって上側周壁部５３および下側周壁部５４の色も互いに異なっている。上筒部５５に対する着色は、例えば、下筒部５６の成形に用いられる合成樹脂材料に顔料等を混入させることや、成形後の下筒部５６の表面に塗装等を施すことで行われる。   The upper cylinder part 55 is colored, and the visibility of the inside of the measuring member 5 is lower than that of the lower cylinder part 56. That is, the colors of the upper cylinder part 55 and the lower cylinder part 56 are different from each other, and thus the colors of the upper peripheral wall part 53 and the lower peripheral wall part 54 are also different from each other. The coloring of the upper cylinder part 55 is performed, for example, by mixing a pigment or the like into a synthetic resin material used for molding the lower cylinder part 56, or by coating the surface of the lower cylinder part 56 after molding.

上側周壁部５３は、下側周壁部５４の上端部５４ａに外嵌された外筒５３ａと、外筒５３ａの径方向内側に配置されるとともに上端部５４ａの内側に密に嵌合された内筒５３ｂと、を有している。言い換えれば、上側周壁部５３の外筒５３ａと内筒５３ｂとの間の径方向の隙間に、下側周壁部５４の上端部５４ａが嵌合されている。
外筒５３ａは、下側周壁部５４の上端部５４ａにアンダーカット嵌合されている。外筒５３ａの下端開口縁は周方向に延びており、この下端開口縁は、下側周壁部５４の環状面５４ｂに環状面５４ｂの上方から当接している。このため、計量部材５を径方向外側から視認したときの上側周壁部５３と下側周壁部５４との境界線は、周方向に延びている。前記したように、下側周壁部５４は透明または半透明となっており、上側周壁部５３および下側周壁部５４の色が互いに異なっているので、上側周壁部５３と下側周壁部５４との境界線を、計量部材５内で内容物を計量するときの目盛として使用することができる。
内筒５３ｂの下端開口縁は、周方向に延びるとともに、外筒５３ａの下端開口縁と上下方向で同等の位置に配置されている。 The upper peripheral wall portion 53 is an outer cylinder 53a that is externally fitted to the upper end portion 54a of the lower peripheral wall portion 54, and an inner cylinder that is disposed on the radially inner side of the outer cylinder 53a and is closely fitted inside the upper end portion 54a. A cylinder 53b. In other words, the upper end portion 54 a of the lower peripheral wall portion 54 is fitted into the radial gap between the outer cylinder 53 a and the inner cylinder 53 b of the upper peripheral wall portion 53.
The outer cylinder 53 a is undercut fitted to the upper end portion 54 a of the lower peripheral wall portion 54. The lower end opening edge of the outer cylinder 53a extends in the circumferential direction, and this lower end opening edge is in contact with the annular surface 54b of the lower peripheral wall portion 54 from above the annular surface 54b. For this reason, the boundary line between the upper peripheral wall portion 53 and the lower peripheral wall portion 54 when the measuring member 5 is viewed from the radially outer side extends in the circumferential direction. As described above, the lower peripheral wall portion 54 is transparent or semi-transparent, and the upper peripheral wall portion 53 and the lower peripheral wall portion 54 have different colors. The boundary line can be used as a scale when the contents are measured in the measuring member 5.
The lower end opening edge of the inner cylinder 53b extends in the circumferential direction, and is arranged at the same position in the vertical direction as the lower end opening edge of the outer cylinder 53a.

天壁部５１の外周縁部には、下方に向けて窪む溝部５１ａが周方向の全域にわたって形成されており、この溝部５１ａは径方向外側に向けて開放されている。溝部５１ａを画成する内面のうち、径方向外側を向く側面における上端部には、径方向外側に向けて突出する突部５１ｂが周方向の全域にわたって形成されている。   On the outer peripheral edge of the top wall 51, a groove 51a that is recessed downward is formed over the entire region in the circumferential direction, and the groove 51a is opened outward in the radial direction. Of the inner surface that defines the groove 51a, a protrusion 51b that protrudes outward in the radial direction is formed over the entire region in the circumferential direction at the upper end of the side surface that faces radially outward.

天壁部５１には、天壁部５１の上面から上方に向けて突出する吐出筒５７および外気導入筒５８が形成されている。吐出筒５７および外気導入筒５８は、容器軸Ｏを径方向に挟む２つの位置に各別に配置されている。   The top wall 51 is formed with a discharge cylinder 57 and an outside air introduction cylinder 58 that protrude upward from the top surface of the top wall 51. The discharge cylinder 57 and the outside air introduction cylinder 58 are disposed separately at two positions sandwiching the container axis O in the radial direction.

吐出筒５７の下端開口部は計量部材５の内部に向けて開放されており、吐出筒５７の上端開口部は上方に向けて開放されている。このため、吐出筒５７の内側は、計量部材５内の内容物を外部に吐出可能な吐出孔５７ａとなっている。吐出孔５７ａの内径は、計量部材５の上側周壁部５３の内径より小さく、吐出孔５７ａは、内容物を線状に吐出可能とされている。なお、本実施形態の吐出孔５７ａの内径は、中栓８の流通孔１６の内径より大きいが、流通孔１６の内径より小さくてもよい。
吐出筒５７は、天壁部５１の上面から上方に向けて延びる下筒５７ｂと、下筒５７ｂの上端部に連結されるとともに下筒５７ｂと同軸に配設された上筒５７ｃと、を有している。下筒５７ｂの内径は、上下方向の全域にわたって同等であり、下筒５７ｂの外径は、上方に向かうに従い漸次小さくなっている。上筒５７ｃの内径および外径は、上方に向かうに従い漸次大きくなっている。 The lower end opening of the discharge cylinder 57 is opened toward the inside of the measuring member 5, and the upper end opening of the discharge cylinder 57 is opened upward. For this reason, the inside of the discharge cylinder 57 is a discharge hole 57a through which the contents in the measuring member 5 can be discharged to the outside. The inner diameter of the discharge hole 57a is smaller than the inner diameter of the upper peripheral wall portion 53 of the measuring member 5, and the discharge hole 57a can discharge the contents linearly. In addition, although the internal diameter of the discharge hole 57a of this embodiment is larger than the internal diameter of the flow hole 16 of the inner plug 8, it may be smaller than the internal diameter of the flow hole 16.
The discharge cylinder 57 has a lower cylinder 57b extending upward from the upper surface of the top wall 51, and an upper cylinder 57c connected to the upper end of the lower cylinder 57b and coaxially disposed with the lower cylinder 57b. doing. The inner diameter of the lower cylinder 57b is the same over the entire area in the vertical direction, and the outer diameter of the lower cylinder 57b gradually decreases as it goes upward. The inner diameter and the outer diameter of the upper cylinder 57c are gradually increased toward the upper side.

外気導入筒５８は、有頂筒状に形成されており、その下端開口部は計量部材５の内部に向けて開放されている。外気導入筒５８の内径および外径は、上下方向の全域にわたってそれぞれ同等となっている。外気導入筒５８の頂壁は、上方に向けて凸となるように湾曲しており、外気導入筒５８には、この頂壁の最も上方に位置する部分を上下方向に貫く外気導入孔５８ａが形成されている。   The outside air introduction cylinder 58 is formed in a top cylinder shape, and a lower end opening thereof is opened toward the inside of the measuring member 5. The inside diameter and the outside diameter of the outside air introducing cylinder 58 are the same over the entire area in the vertical direction. The top wall of the outside air introduction cylinder 58 is curved so as to be convex upward, and the outside air introduction cylinder 58 has an outside air introduction hole 58a penetrating the uppermost portion of the top wall in the vertical direction. Is formed.

計量部材５には、天壁部５１を開放可能に覆う有頂筒状の蓋部材５９が配設されている。蓋部材５９は、容器軸Ｏを径方向に挟んだ吐出孔５７ａと逆の位置に配置されているヒンジ部６０を介して、上側周壁部５３の外周面における上端部に一体に連結されている。なお、蓋部材５９が、上側周壁部５３を有する上筒部５５と別体に構成されてもよい。
蓋部材５９は、天壁部５１の上方に位置する頂壁部６１と、頂壁部６１の外周縁部から下方に向けて延びるとともに、下端部が天壁部５１の突部５１ｂに離脱可能に係止されている蓋周壁部６２と、を有している。蓋周壁部６２の外径は、上側周壁部５３の外径と同等となっている。
頂壁部６１の下面には、下方に向けて突出し、天壁部５１の吐出孔５７ａ内に離脱可能に嵌合された栓筒部（第１閉塞部）６１ａが形成されている。すなわち、栓筒部６１ａは、吐出孔５７ａを開放可能に閉塞している。また、頂壁部６１の下面には、下方に向けて突出し、天壁部５１の外気導入孔５８ａを開放可能に閉塞する閉塞突部（第２閉塞部）６１ｂが形成されている。 The measuring member 5 is provided with a top-like cylindrical lid member 59 that covers the top wall 51 so as to be openable. The lid member 59 is integrally connected to the upper end portion of the outer peripheral surface of the upper peripheral wall portion 53 via a hinge portion 60 disposed at a position opposite to the discharge hole 57a sandwiching the container shaft O in the radial direction. . The lid member 59 may be configured separately from the upper tube portion 55 having the upper peripheral wall portion 53.
The lid member 59 extends downward from the top wall portion 61 located above the top wall portion 51 and the outer peripheral edge portion of the top wall portion 61, and the lower end portion can be detached from the protrusion 51 b of the top wall portion 51. And a lid peripheral wall portion 62 that is locked to the lid. The outer diameter of the lid peripheral wall portion 62 is equal to the outer diameter of the upper peripheral wall portion 53.
A bottom surface of the top wall portion 61 is formed with a plug portion (first closing portion) 61 a that protrudes downward and is detachably fitted into the discharge hole 57 a of the top wall portion 51. That is, the plug cylinder 61a closes the discharge hole 57a so as to be openable. In addition, on the lower surface of the top wall portion 61, a closing protrusion (second closing portion) 61 b that protrudes downward and closes the outside air introduction hole 58 a of the top wall portion 51 so as to be openable is formed.

このように構成された計量容器１において、内容物を計量して吐出する場合には、まず蓋部材５９をヒンジ部６０回りに上方に向けて回動させ、吐出孔５７ａを開放させた後、計量容器１を正立させた状態で外容器３を径方向内側にスクイズ変形（弾性変形）させる。このとき、外容器３と内容器２との間に径方向の隙間がない、またはこの隙間が小さい場合には、外容器３をスクイズ変形させることで、外容器３が直接に内容器２を押圧して内容器２を減容変形させることができる。一方、外容器３と内容器２との隙間が大きい場合には、外容器３をスクイズ変形させることで前記隙間内の空気は吸気孔６を通して漏出し始めるが、吸気孔６を通した漏出量よりも、外容器３をスクイズ変形させたときの外容器３の減容量が大きいので、前記隙間の内圧を十分に上昇させることができ、よって内容器２を減容変形させることができる。このように外容器３をスクイズ変形させることで、内容器２を減容変形させ、内容器２の内圧を上昇させる。   In the weighing container 1 configured in this way, when measuring and discharging the contents, first, the lid member 59 is rotated upward around the hinge portion 60 to open the discharge hole 57a, The outer container 3 is squeezed (elastically deformed) radially inward with the measuring container 1 upright. At this time, when there is no radial gap between the outer container 3 and the inner container 2 or when this gap is small, the outer container 3 directly deforms the inner container 2 by squeezing the outer container 3. The inner container 2 can be reduced in volume by being pressed. On the other hand, when the gap between the outer container 3 and the inner container 2 is large, the air in the gap starts to leak through the intake hole 6 by squeezing the outer container 3, but the amount of leakage through the intake hole 6 In addition, since the capacity of the outer container 3 is large when the outer container 3 is squeezed and deformed, the internal pressure of the gap can be sufficiently increased, and the inner container 2 can be deformed and deformed. By deforming the outer container 3 in a squeeze manner in this way, the inner container 2 is reduced in volume and the internal pressure of the inner container 2 is increased.

すると、吐出弁９が内ベース部８ｂの上面から上方に向けて離反するので、流通孔１６が開放されて内容器２内の内容物が計量部材５内に導入される。ここで、下側周壁部５４は透明または半透明であり、計量部材５はその内部を径方向外側から視認できるので、計量部材５内で内容物を計量することができる。
計量後、外容器３のスクイズ変形を停止して内容器２の内圧の上昇を停止させると、吐出弁９が弾性アーム９１の復元変形によって元の位置に戻り、内ベース部８ｂの上面に着座する。これにより、流通孔１６が再び閉塞され、内容器２の内部と計量部材５の内部との連通が遮断される。このため、内容器２内から計量部材５内への内容物の導入が停止される。続いて外容器３のスクイズ変形を解除すると、計量部材５の通気孔２３から外容器３の吸気孔６を通して外容器３と内容器２との間に外気が吸入され、外容器３は復元変形する。その一方で、吐出弁９は閉弁されているので計量部材５内から内容器２内への内容物や空気の逆流が防止され、よって内容器２の減容変形は維持される。
その後、計量部材５内の内容物を、例えば計量容器１を傾倒させることで吐出孔５７ａを通して外部に吐出させる。
なお、本実施形態に係る計量容器１では、内容器２の減容変形による内容物の計量部材５への導入は計量容器１の姿勢に関わらず実施できるので、例えば計量容器１を傾倒させた状態で外容器３をスクイズ変形させて、計量部材５の内部および吐出筒５７の吐出孔５７ａを通して内容器２内の内容物を連続的に吐出させてもよい。この連続吐出においては、外容器３をスクイズ変形させる押圧力によって内容器２内の内容物が中栓８の流通孔１６を通して吐出孔５７ａに順次導入されるので、計量部材５内が負圧になることを抑制でき、よって天壁部５１の外気導入孔５８ａを通した計量部材５内への外気導入がなくても、吐出孔５７ａから内容物を適切に連続吐出させることができる。また、このような連続吐出は吐出筒５７の吐出孔５７ａを通して行われるので、内容物を安定して吐出させることができる。 Then, since the discharge valve 9 is separated upward from the upper surface of the inner base portion 8 b, the flow hole 16 is opened and the contents in the inner container 2 are introduced into the measuring member 5. Here, the lower peripheral wall portion 54 is transparent or translucent, and since the inside of the measuring member 5 can be visually recognized from the outside in the radial direction, the contents can be measured in the measuring member 5.
After the weighing, when the squeeze deformation of the outer container 3 is stopped and the increase of the internal pressure of the inner container 2 is stopped, the discharge valve 9 returns to the original position by the restoring deformation of the elastic arm 91 and is seated on the upper surface of the inner base portion 8b. To do. Thereby, the circulation hole 16 is closed again, and the communication between the inside of the inner container 2 and the inside of the measuring member 5 is blocked. For this reason, the introduction of the contents from the inner container 2 into the measuring member 5 is stopped. Subsequently, when the squeeze deformation of the outer container 3 is released, outside air is sucked between the outer container 3 and the inner container 2 from the vent hole 23 of the measuring member 5 through the intake hole 6 of the outer container 3, and the outer container 3 is restored and deformed. To do. On the other hand, since the discharge valve 9 is closed, the backflow of the contents and air from the measuring member 5 into the inner container 2 is prevented, so that the volumetric deformation of the inner container 2 is maintained.
Thereafter, the content in the measuring member 5 is discharged to the outside through the discharge hole 57a by tilting the measuring container 1, for example.
In the measuring container 1 according to the present embodiment, the introduction of the contents into the measuring member 5 by the volume reduction deformation of the inner container 2 can be performed regardless of the posture of the measuring container 1, so that the measuring container 1 is tilted, for example. In this state, the outer container 3 may be squeezed and the contents in the inner container 2 may be continuously discharged through the inside of the measuring member 5 and the discharge hole 57a of the discharge cylinder 57. In this continuous discharge, the content in the inner container 2 is sequentially introduced into the discharge hole 57a through the flow hole 16 of the inner plug 8 by the pressing force that deforms the outer container 3 by squeeze. Therefore, even if the outside air is not introduced into the measuring member 5 through the outside air introduction hole 58a of the top wall portion 51, the contents can be appropriately and continuously discharged from the discharge hole 57a. Moreover, since such continuous discharge is performed through the discharge hole 57a of the discharge cylinder 57, the contents can be discharged stably.

本実施形態に係る計量容器１によれば、前記したような内容物の計量および吐出を繰り返すことで、内容器２が押しつぶされてその容積が漸次減少するので、内容器２内の内容物の残量を少なくすることができる。   According to the measuring container 1 according to the present embodiment, the inner container 2 is crushed and its volume gradually decreases by repeating the measurement and discharge of the contents as described above, so that the contents of the contents in the inner container 2 are reduced. The remaining amount can be reduced.

また、計量部材５は、天壁部５１を有する有頂筒状に形成されるとともに、計量部材５内に外気を導入可能な外気導入孔５８ａを有し、天壁部５１には、上方に向けて突出するとともに、内容物を吐出可能な吐出孔５７ａを有する吐出筒５７が形成され、吐出孔５７ａの内径は計量部材５の上側周壁部５３の内径より小さいので、計量部材５内の内容物をこの吐出筒５７の吐出孔５７ａを通して細い線状に吐出させることができ、所望の位置に内容物を適切に吐出しやすくなる。また、吐出孔５７ａを通した内容物の吐出時に、外気導入孔５８ａを通して外気を計量部材５内に導入させることができるので、計量部材５内が負圧になることで内容物の吐出が滞ることを防止できる。   In addition, the measuring member 5 is formed in a cylindrical shape having a top wall portion 51 and has an outside air introduction hole 58a through which the outside air can be introduced into the measuring member 5. A discharge cylinder 57 having a discharge hole 57a capable of discharging the contents and discharging the contents is formed, and the inner diameter of the discharge hole 57a is smaller than the inner diameter of the upper peripheral wall portion 53 of the measuring member 5. An object can be discharged in a thin line shape through the discharge hole 57a of the discharge cylinder 57, and the contents can be easily discharged appropriately to a desired position. Moreover, since the outside air can be introduced into the measuring member 5 through the outside air introduction hole 58a when the contents are discharged through the discharge hole 57a, the discharge of the contents is delayed by the negative pressure in the measuring member 5. Can be prevented.

また、計量部材５には、天壁部５１を開放可能に覆う蓋部材５９が配設され、蓋部材５９には、吐出孔５７ａを閉塞する栓筒部６１ａと、外気導入孔５８ａを閉塞する閉塞突部６１ｂと、が配設されているので、蓋部材５９が天壁部５１を覆っている状態では、吐出孔５７ａや外気導入孔５８ａを通した計量部材５内の内容物の漏出を防止することができる。   The measuring member 5 is provided with a lid member 59 that covers the top wall 51 so as to be openable. The lid member 59 closes the plug cylinder portion 61a that closes the discharge hole 57a and the outside air introduction hole 58a. In the state where the lid member 59 covers the top wall portion 51, the leakage of the contents in the measuring member 5 through the discharge hole 57a and the outside air introduction hole 58a is prevented. Can be prevented.

また、計量部材５は、容器本体４の口部４ａに装着された下側周壁部５４と、下側周壁部５４に装着された上側周壁部５３と、を有し、下側周壁部５４および上側周壁部５３の少なくとも一方が、透明または半透明であるので、計量部材５の径方向外側からその内部を視認できるとともに、計量部材５を径方向外側から視認したときの下側周壁部５４と上側周壁部５３との境界線を、内容物の計量目盛として使用することができる。   The measuring member 5 includes a lower peripheral wall portion 54 attached to the mouth portion 4a of the container body 4 and an upper peripheral wall portion 53 attached to the lower peripheral wall portion 54. The lower peripheral wall portion 54 and Since at least one of the upper peripheral wall portion 53 is transparent or translucent, the inside of the measuring member 5 can be viewed from the radially outer side, and the lower peripheral wall portion 54 when the measuring member 5 is viewed from the radially outer side, The boundary line with the upper peripheral wall portion 53 can be used as a measurement scale for the contents.

また、下側周壁部５４および上側周壁部５３の色が互いに異なっているので、計量部材５を径方向外側から視認したときの下側周壁部５４と上側周壁部５３との境界線をより明確にできる。   Further, since the colors of the lower peripheral wall portion 54 and the upper peripheral wall portion 53 are different from each other, the boundary line between the lower peripheral wall portion 54 and the upper peripheral wall portion 53 when the measuring member 5 is viewed from the outside in the radial direction is further clarified. Can be.

（第２実施形態）
次に、本発明に係る計量容器の第２実施形態について説明する。なお、この第２実施形態においては、第１実施形態における構成要素と同一の部分については、同一の符号を付しその説明を省略する。 (Second Embodiment)
Next, a second embodiment of the weighing container according to the present invention will be described. In the second embodiment, the same components as those in the first embodiment are denoted by the same reference numerals, and the description thereof is omitted.

図２に示すように、本実施形態の計量容器１０は、容器本体４の口部４ａと計量部材５との間に中栓を備えていない。
容器本体４における口部４ａは、内容器２の口部２ａと外容器３の口部３ａとが積層された構成とされ、その上端部と下端部との間の中間部分が径方向内側にくびれている。具体的に、口部４ａは、第１直筒４１、第１傾斜筒４２、第２傾斜筒４３、および第２直筒４４が下側から上側に向けてこの順に連設された筒状に形成されている。第１直筒４１、第１傾斜筒４２、第２傾斜筒４３、および第２直筒４４は、容器軸Ｏと同軸に配置されている。 As shown in FIG. 2, the measuring container 10 of the present embodiment does not include an inner plug between the mouth portion 4 a of the container body 4 and the measuring member 5.
The mouth portion 4a in the container body 4 is configured such that the mouth portion 2a of the inner container 2 and the mouth portion 3a of the outer container 3 are laminated, and an intermediate portion between the upper end portion and the lower end portion is radially inward. I am constricted. Specifically, the mouth portion 4a is formed in a cylindrical shape in which a first straight cylinder 41, a first inclined cylinder 42, a second inclined cylinder 43, and a second straight cylinder 44 are connected in this order from the lower side to the upper side. ing. The first straight cylinder 41, the first inclined cylinder 42, the second inclined cylinder 43, and the second straight cylinder 44 are arranged coaxially with the container axis O.

第１直筒４１は、容器本体４の肩部４ｂの上端部に肩部４ｂの上方から連結されており、その径は上下方向の全域にわたって同等となっている。なお、外容器３の口部３ａのうちの第１直筒４１を構成する部分には、複数の吸気孔６が形成されるとともに、雄ネジ部３ｂが配設されている。
第１傾斜筒４２は、第１直筒４１の上端部に連結されており、上方に向かうに従い漸次縮径している。第２傾斜筒４３は、第１傾斜筒４２の上端部に連結されており、上方に向かうに従い漸次拡径している。第２傾斜筒４３の上端開口部の外径は、第１傾斜筒４２の下端開口部の外径より小さい。容器本体４の口部４ａにおいて最も縮径した部分の内側、すなわち第１傾斜筒４２と第２傾斜筒４３との連結部分の内側が、内容器２の内部と計量部材５の内部とを連通する流通孔１６ａとされている。第２傾斜筒４３の内周面（内容器２の口部２ａのうちの第２傾斜筒４３を構成する部分の内周面）は、後述する吐出弁９０の弁座として機能する。
第２直筒４４は、第２傾斜筒４３の上端部に連結されており、その径は上下方向の全域にわたって同等となっている。第２直筒４４は、計量部材５の底壁部５２を底壁部５２の下方から支持している。 The first straight cylinder 41 is connected to the upper end portion of the shoulder portion 4b of the container body 4 from above the shoulder portion 4b, and the diameter thereof is the same throughout the entire vertical direction. In addition, in the part which comprises the 1st straight cylinder 41 among the opening parts 3a of the outer container 3, while forming the several intake hole 6, the external thread part 3b is arrange | positioned.
The 1st inclination cylinder 42 is connected with the upper end part of the 1st straight cylinder 41, and is gradually diameter-reduced as it goes upwards. The second inclined cylinder 43 is connected to the upper end of the first inclined cylinder 42 and gradually increases in diameter as it goes upward. The outer diameter of the upper end opening of the second inclined cylinder 43 is smaller than the outer diameter of the lower end opening of the first inclined cylinder 42. The inside of the most contracted diameter portion of the mouth portion 4 a of the container body 4, that is, the inside of the connection portion between the first inclined cylinder 42 and the second inclined cylinder 43 communicates the inside of the inner container 2 and the inside of the measuring member 5. It is set as the through-hole 16a which carries out. The inner peripheral surface of the second inclined cylinder 43 (the inner peripheral surface of the portion constituting the second inclined cylinder 43 in the mouth portion 2a of the inner container 2) functions as a valve seat of the discharge valve 90 described later.
The second straight cylinder 44 is connected to the upper end portion of the second inclined cylinder 43, and the diameter thereof is the same throughout the entire vertical direction. The second straight cylinder 44 supports the bottom wall portion 52 of the measuring member 5 from below the bottom wall portion 52.

計量部材５の嵌合筒部５２ａは、第２直筒４４の内側に密に嵌合している。
本実施形態の吐出弁９０は、有底円筒状に形成されており、複数の弾性アーム９１は、吐出弁９０の外周面における上端部と嵌合筒部５２ａの内周面とを一体に連結している。吐出弁９０の底壁部は、下方に向かうに従い漸次縮径する円錐状に形成されており、その下面（円錐面）が、第２傾斜筒４３の内周面に離反可能に載置されている。すなわち、吐出弁９０は、流通孔１６ａを開放可能に閉塞している。
計量部材５の天壁部５１における吐出孔５７ａの内径は、計量部材５の上側周壁部５３および容器本体４の口部４ａにおける流通孔１６ａの各内径より小さく、吐出孔５７ａは、内容物を線状に吐出可能とされている。 The fitting cylinder portion 52 a of the measuring member 5 is closely fitted inside the second straight cylinder 44.
The discharge valve 90 of the present embodiment is formed in a bottomed cylindrical shape, and the plurality of elastic arms 91 integrally connects the upper end portion of the outer peripheral surface of the discharge valve 90 and the inner peripheral surface of the fitting cylinder portion 52a. doing. The bottom wall portion of the discharge valve 90 is formed in a conical shape that gradually decreases in diameter as it goes downward, and its lower surface (conical surface) is placed on the inner peripheral surface of the second inclined cylinder 43 so as to be separated. Yes. That is, the discharge valve 90 closes the flow hole 16a so as to be openable.
The inner diameter of the discharge hole 57a in the top wall portion 51 of the measuring member 5 is smaller than the inner diameters of the upper peripheral wall portion 53 of the measuring member 5 and the flow hole 16a in the mouth portion 4a of the container body 4, and the discharge hole 57a It is possible to discharge linearly.

本実施形態においても、前記第１実施形態と同様の作用効果を奏功することができる。   Also in this embodiment, the same effect as the first embodiment can be achieved.

なお、本発明の技術範囲は前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可能である。   The technical scope of 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.

例えば、前記各実施形態では、計量容器１、１０として、内容器２の外面が外容器３の内面に剥離可能に積層された積層剥離型容器としたが、これに限定されるものではなく、内容器２と外容器３との間に隙間が確保された二重容器としてもよい。
また、計量部材５の通気孔２３から外容器３の吸気孔６までの外気吸入経路の途中に、外部から外容器３と内容器２との間に向けた外気の流通を許容し、かつその逆方向への流通を遮断する空気弁を設けてもよい。吸気孔が外容器の胴部や底部に形成される場合にも、同様の空気弁を設けてよい。
また、計量部材５は容器本体４の口部４ａの上方に配置されているが、計量部材５が口部４ａの径方向内側に配置される構成であってもよい。
また、吐出筒５７の内側が内容物を吐出可能な吐出孔５７ａとされているが、例えば、吐出筒がその内部を上方から覆う頂壁部を有し、この吐出筒の頂壁部や周壁部に、内容物を吐出可能な吐出孔が形成されてもよい。
また、外気導入孔５８ａは天壁部５１に設けられているが、外気導入孔が計量部材５の周壁部（例えば上側周壁部５３）に形成されてもよい。
また、頂壁部６１の下面に配設された閉塞突部６１ｂが、外気導入筒５８の外気導入孔５８ａを閉塞しているが、頂壁部６１の下面に、上方に向けて窪む凹部を形成したり、下方に向けて突出する嵌合筒を配設したりするとともに、これら凹部内や嵌合筒内に外気導入筒５８の上端部が嵌合されることで、外気導入孔５８ａを閉塞する構成であってもよい。さらに、頂壁部６１の下面自体が外気導入孔５８ａを閉塞する構成であってもよい。 For example, in each of the above-described embodiments, as the measuring containers 1 and 10, the outer surface of the inner container 2 is a laminated peelable container in which the outer surface of the outer container 3 is releasably laminated. However, the present invention is not limited to this. It is good also as a double container with which the clearance gap was ensured between the inner container 2 and the outer container 3. FIG.
Further, in the middle of the outside air intake path from the vent hole 23 of the measuring member 5 to the intake hole 6 of the outer container 3, the outside air is allowed to flow between the outer container 3 and the inner container 2 from the outside. You may provide the air valve which interrupts | blocks the distribution | circulation to a reverse direction. A similar air valve may also be provided when the intake holes are formed in the body or bottom of the outer container.
Moreover, although the measurement member 5 is arrange | positioned above the opening part 4a of the container main body 4, the structure by which the measurement member 5 is arrange | positioned at the radial inside of the opening part 4a may be sufficient.
The inside of the discharge cylinder 57 is a discharge hole 57a through which the contents can be discharged. For example, the discharge cylinder has a top wall portion that covers the inside from above, and the top wall portion and peripheral wall of the discharge cylinder A discharge hole that can discharge the contents may be formed in the portion.
In addition, although the outside air introduction hole 58a is provided in the top wall portion 51, the outside air introduction hole may be formed in the peripheral wall portion (for example, the upper peripheral wall portion 53) of the measuring member 5.
Further, the closing protrusion 61b disposed on the lower surface of the top wall portion 61 closes the outside air introduction hole 58a of the outside air introducing cylinder 58, but the recess is recessed upward on the lower surface of the top wall portion 61. Or a fitting cylinder projecting downward is disposed, and the upper end of the outside air introduction cylinder 58 is fitted into the recess or the fitting cylinder, so that the outside air introduction hole 58a. It may be configured to block. Further, the lower surface itself of the top wall portion 61 may be configured to close the outside air introduction hole 58a.

また、前記各実施形態では、計量部材５が上側周壁部５３と下側周壁部５４とを有しているが、計量部材５が、一体に形成された周壁部を有する筒状に形成されてもよい。
また、上側周壁部５３と下側周壁部５４との境界線を内容物の計量目盛として用いているが、この境界線に代えて、またはこの境界線とともに、内容部を計量するための目盛や内容物の貯留量を示す数値等を計量部材５の周壁部に設けてもよい。計量部材５の周壁部に目盛や数値等を表示する方法としては、例えば計量部材５を射出成形によって形成する場合に、成形金型の成形面に設けられた目盛等の形状を転写する方法を用いることができる。あるいは、計量部材５の成形後に、目盛等を計量部材５に刻印若しくは印刷してもよい。
また、上側周壁部５３の外筒５３ａと内筒５３ｂとの各下端の上下方向の位置は互いに同等とされているが、外筒５３ａおよび内筒５３ｂの一方の下端が、他方の下端よりも下方に位置してもよい。この場合、前記一方の下端と下側周壁部５４との境界線が、内容物の計量目盛となる。
また、上側周壁部５３および下側周壁部５４の色を互いに異ならせているが、たとえ色が同等であってもこれら周壁部５３、５４の表面性状を互いに異ならせることで、それらの間の境界線を明確にしてもよい。表面性状の変更の態様としては、例えば、周壁部の表面における粗面化処理や、細かな凹凸または格子等の意匠の形成等が考えられる。このような表面性状の変更も、本発明の色の変更に含まれる。
また、上側周壁部５３および下側周壁部５４を、透明または半透明かつ同等の色の材料を用いて成形した上で、それらの間の境界線を内容物の計量目盛として用いてもよい。このような場合でも、上側周壁部５３における外筒５３ａの下端が下側周壁部５４の環状面５４ｂに当接した部分を境界線として示すことができる。また、上側周壁部５３と下側周壁部５４の径方向の板厚は互いに異なるので、計量部材５の径方向外側から視認したときの上側周壁部５３および下側周壁部５４の色の見え方を互いに異ならせることも可能である。
また、上側周壁部５３の外筒５３ａと内筒５３ｂとの間の径方向の隙間に、下側周壁部５４の上端部５４ａが嵌合されているが、下側周壁部５４の上端部を二重筒構造とし、この二重筒の径方向の隙間に、上側周壁部５３の下端部を嵌合させてもよい。この場合、上筒部５５、すなわち上側周壁部５３を透明または半透明にして、計量部材５の内部を径方向外側または上方から視認可能とすることも可能である。 Moreover, in each said embodiment, although the measurement member 5 has the upper side peripheral wall part 53 and the lower side peripheral wall part 54, the measurement member 5 is formed in the cylinder shape which has the peripheral wall part formed integrally. Also good.
In addition, the boundary line between the upper peripheral wall portion 53 and the lower peripheral wall portion 54 is used as a measurement scale for the contents. However, instead of this boundary line or together with this boundary line, a scale for measuring the content portion You may provide the numerical value etc. which show the storage amount of the content in the surrounding wall part of the measurement member 5. FIG. As a method for displaying a scale, a numerical value, or the like on the peripheral wall portion of the measuring member 5, for example, when the measuring member 5 is formed by injection molding, a method of transferring a shape such as a scale provided on the molding surface of the molding die. Can be used. Alternatively, after the measuring member 5 is molded, a scale or the like may be stamped or printed on the measuring member 5.
In addition, the vertical positions of the lower ends of the outer cylinder 53a and the inner cylinder 53b of the upper peripheral wall 53 are equal to each other, but one lower end of the outer cylinder 53a and the inner cylinder 53b is more than the other lower end. It may be located below. In this case, the boundary line between the one lower end and the lower peripheral wall portion 54 is a measurement scale for the contents.
Further, although the colors of the upper peripheral wall portion 53 and the lower peripheral wall portion 54 are different from each other, even if the colors are the same, the surface properties of these peripheral wall portions 53 and 54 are different from each other, The boundary line may be clarified. As a mode of changing the surface property, for example, roughening treatment on the surface of the peripheral wall portion, formation of a design such as fine unevenness or lattice, and the like can be considered. Such a change in surface properties is also included in the color change of the present invention.
Moreover, after shape | molding the upper side peripheral wall part 53 and the lower side peripheral wall part 54 using the material of transparent or translucent and an equivalent color, you may use the boundary line between them as a measurement scale of the content. Even in such a case, a portion where the lower end of the outer cylinder 53a in the upper peripheral wall portion 53 is in contact with the annular surface 54b of the lower peripheral wall portion 54 can be shown as a boundary line. Moreover, since the plate | board thickness of the radial direction of the upper side surrounding wall part 53 and the lower side surrounding wall part 54 differs mutually, how the color of the upper side surrounding wall part 53 and the lower side surrounding wall part 54 looks when it sees from the radial direction outer side of the measurement member 5 Can be different from each other.
Further, the upper end portion 54a of the lower peripheral wall portion 54 is fitted into the radial gap between the outer cylinder 53a and the inner cylinder 53b of the upper peripheral wall portion 53, but the upper end portion of the lower peripheral wall portion 54 is A double cylinder structure may be used, and the lower end portion of the upper peripheral wall portion 53 may be fitted into the radial gap of the double cylinder. In this case, it is also possible to make the upper cylindrical portion 55, that is, the upper peripheral wall portion 53 transparent or semi-transparent so that the inside of the measuring member 5 is visible from the outside in the radial direction or from above.

その他、本発明の趣旨に逸脱しない範囲で、前記実施形態における構成要素を周知の構成要素に置き換えることは適宜可能であり、また、前記した変形例を適宜組み合わせてもよい。   In addition, it is possible to appropriately replace the constituent elements in the embodiment with known constituent elements without departing from the spirit of the present invention, and the above-described modified examples may be appropriately combined.

１、１０ 計量容器
２ 内容器
３ 外容器
４ 容器本体
４ａ 口部
５ 計量部材
５１ 天壁部
５３ 上側周壁部
５４ 下側周壁部
５７ａ 吐出孔
５８ａ 外気導入孔
５９ 蓋部材
６１ａ 栓筒部（第１閉塞部）
６１ｂ 閉塞突部（第２閉塞部）
６ 吸気孔
９、９０ 吐出弁 DESCRIPTION OF SYMBOLS 1, 10 Measuring container 2 Inner container 3 Outer container 4 Container main body 4a Mouth part 5 Measuring member 51 Top wall part 53 Upper peripheral wall part 54 Lower peripheral wall part 57a Discharge hole 58a Outside air introduction hole 59 Lid member 61a Plug cylinder part (1st Occlusion)
61b Blocking protrusion (second blocking part)
6 Air intake holes 9, 90 Discharge valve

Claims (5)

内容物の減少に伴い減容変形する内容器、および前記内容器が内装されるとともに弾性変形可能な外容器を備える容器本体と、
前記容器本体の口部に装着され、内部を視認可能な計量部材と、
前記内容器の内部から前記計量部材の内部に向けた内容物の流通を許容し、かつその逆方向への流通を遮断する吐出弁と、を備え、
前記外容器に、前記内容器との間に外気を吸入可能な吸気孔が形成されていることを特徴とする計量容器。 An inner container that undergoes volumetric deformation as the contents are reduced, and a container body that includes an outer container that is internally deformed and elastically deformable;
A metering member attached to the mouth of the container body and capable of visually checking the inside,
A discharge valve that allows the flow of the contents from the inside of the inner container toward the inside of the measuring member and blocks the flow in the opposite direction, and
The measuring container, wherein an intake hole capable of sucking outside air is formed between the outer container and the inner container. 前記計量部材は、天壁部を有する有頂筒状に形成されるとともに、前記計量部材内に外気を導入可能な外気導入孔を有し、
前記天壁部には、上方に向けて突出するとともに、内容物を吐出可能な吐出孔を有する吐出筒が形成されていることを特徴とする請求項１に記載の計量容器。 The metering member is formed in a cylindrical shape having a top wall portion, and has an outside air introduction hole capable of introducing outside air into the metering member,
2. The measuring container according to claim 1, wherein a discharge cylinder that protrudes upward and has a discharge hole capable of discharging the contents is formed on the top wall portion. 前記計量部材には、前記天壁部を開放可能に覆う蓋部材が配設され、
前記蓋部材には、前記吐出孔を閉塞する第１閉塞部と、前記外気導入孔を閉塞する第２閉塞部と、が配設されていることを特徴とする請求項２に記載の計量容器。 The weighing member is provided with a lid member that covers the top wall so as to be openable,
The measuring container according to claim 2, wherein the lid member is provided with a first closing portion for closing the discharge hole and a second closing portion for closing the outside air introduction hole. . 前記計量部材は、前記容器本体の前記口部に装着された下側周壁部と、前記下側周壁部に装着された上側周壁部と、を有し、
前記下側周壁部および前記上側周壁部の少なくとも一方が、透明または半透明であることを特徴とする請求項１から３のいずれか１項に記載の計量容器。 The weighing member has a lower peripheral wall portion attached to the mouth portion of the container body, and an upper peripheral wall portion attached to the lower peripheral wall portion,
4. The measuring container according to claim 1, wherein at least one of the lower peripheral wall portion and the upper peripheral wall portion is transparent or translucent. 5. 前記下側周壁部および前記上側周壁部の色が、互いに異なっていることを特徴とする請求項４に記載の計量容器。   The weighing container according to claim 4, wherein the lower peripheral wall portion and the upper peripheral wall portion have different colors.
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