JP6135747B2 - Vacuum double container for soup insulation - Google Patents

Vacuum double container for soup insulation Download PDF

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JP6135747B2
JP6135747B2 JP2015237179A JP2015237179A JP6135747B2 JP 6135747 B2 JP6135747 B2 JP 6135747B2 JP 2015237179 A JP2015237179 A JP 2015237179A JP 2015237179 A JP2015237179 A JP 2015237179A JP 6135747 B2 JP6135747 B2 JP 6135747B2
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soup
inner cylinder
vacuum double
double container
lid
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JP2016055187A (en
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浩史 井奥
浩史 井奥
渡辺　正弘
正弘 渡辺
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Tiger Corp
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Description

本発明は、スープ保温用の真空二重容器に関する。   The present invention relates to a vacuum double container for keeping a soup warm.

過去に「ジュースや、スープ、味噌汁等を収容するための真空二重保温容器」が開示されている（例えば、特開２００１−２３１６９３号公報等参照）。   In the past, a “vacuum double heat-retaining container for containing juice, soup, miso soup, etc.” has been disclosed (for example, see Japanese Patent Application Laid-Open No. 2001-231893).

特開２００１−２３１６９３号公報JP 2001-231893 A

本発明の課題は、スープが少量になった場合であっても効率的にスープをすくい出すことができるスープ保温用の真空二重容器を提供することにある。   An object of the present invention is to provide a vacuum double container for keeping a soup that can efficiently scoop soup even when the amount of soup becomes small.

本発明の一局面に係るスープ保温用真空二重容器は、内筒部、外筒部および真空空間を備える。内筒部は、底壁および側壁を有する。外筒部は、底壁を有し、開口端部で内筒部の開口端部と接合される。真空空間は、外筒部と内筒部との間に形成される。そして、内筒部の底壁は、開口側に向かって球面状に盛り上がる中央部と、凹円弧状の隅部とを有する。また、内筒部の側壁は、逆切頭円錐筒形状を呈し、内筒部の底壁の隅部の外縁から延びている。さらに、中央部の球面の径は、隅部の円弧の径よりも大きい。なお、外筒部の横断面形状は、円形状であってもよいし、多角形状であってもよい。 The vacuum double container for soup heat retention which concerns on 1 aspect of this invention is provided with an inner cylinder part, an outer cylinder part, and a vacuum space. The inner cylinder part has a bottom wall and a side wall. The outer cylinder portion has a bottom wall and is joined to the opening end portion of the inner cylinder portion at the opening end portion. The vacuum space is formed between the outer cylinder part and the inner cylinder part. And the bottom wall of an inner cylinder part has the center part which swells spherically toward the opening side, and a corner part of a concave arc. Further, the side wall of the inner cylinder portion has a reverse truncated conical cylinder shape and extends from the outer edge of the corner of the bottom wall of the inner cylinder portion. Furthermore, the diameter of the spherical surface at the center is larger than the diameter of the arc at the corner. In addition, the cross-sectional shape of an outer cylinder part may be circular shape, and polygonal shape may be sufficient as it.

このため、このスープ保温用真空二重容器では、スープが少量になってきた場合、スープが必然的に隅部に流れる。ここで、スープ保温用真空二重容器を傾けると、スープが更に隅に集まりやすくなる。したがって、このスープ保温用真空二重容器では、スープが少量になった場合であっても効率的にスープをすくい出すことができる。   For this reason, in this soup heat-retaining vacuum double container, when the soup becomes small, the soup necessarily flows to the corner. Here, when the vacuum double container for keeping the soup is tilted, the soup becomes easier to gather in the corner. Therefore, with this soup heat-retaining vacuum double container, the soup can be efficiently scooped even when the amount of soup becomes small.

なお、上述のスープ保温用真空二重容器において、内筒部は、外筒部の形成素材よりも耐蝕性に優れる素材から形成されることが好ましい。かかる場合、内壁部の形成素材は例えばＳＵＳ３１６Ｌであり、外壁部の形成材料は例えばＳＵＳ３０４である。   In addition, in the above-mentioned vacuum double container for heat retention, it is preferable that an inner cylinder part is formed from the raw material which is more excellent in corrosion resistance than the formation material of an outer cylinder part. In this case, the forming material of the inner wall portion is, for example, SUS316L, and the forming material of the outer wall portion is, for example, SUS304.

本発明の実施の形態に係るスープ保温用真空二重容器の外観斜視図である。It is an external appearance perspective view of the vacuum double container for soup heat retention which concerns on embodiment of this invention. 本発明の実施の形態に係るスープ保温用真空二重容器の半断面図である。It is a half sectional view of the vacuum double container for soup heat retention concerning an embodiment of the invention. 本発明の実施の形態に係るスープ保温用真空二重容器の容器本体および内蓋の外観斜視図である。It is an external appearance perspective view of the container main body and inner cover of the vacuum double container for soup heat retention which concerns on embodiment of this invention. 変形例（Ｃ）に係るスープ保温用真空二重容器の積み重ね収容時における半断面図である。It is a half sectional view at the time of stacking accommodation of the vacuum double container for soup heat retention concerning modification (C).

本発明の実施の形態に係るスープ保温用真空二重容器１００は、図１および図２に示されるように、主に、容器本体１１０および蓋本体１２０から構成されている。
なお、以下、容器本体１１０および蓋本体１２０についてそれぞれ詳述する。 The soup heat-retaining vacuum double container 100 according to the embodiment of the present invention is mainly composed of a container main body 110 and a lid main body 120 as shown in FIGS.
Hereinafter, the container body 110 and the lid body 120 will be described in detail.

＜スープ保温用真空二重容器の構成要素＞
（１）容器本体
容器本体１１０は、いわゆる真空二重容器であって、図２に示されるように、主に、有底の内筒１１１および有底の外筒１１２から形成されている。具体的には、内筒１１１と外筒１１２との間に空間ＳＰが形成されるように内筒１１１の開口端部と外筒１１２の開口端部とが接合された後、空間ＳＰが真空状態とされることにより容器本体１１０が形成される（図２参照）。なお、本実施の形態において、スープ保温用真空二重容器１００は、容器本体１１０のみを複数積み重ねたときに一の外筒１１２が他の外筒１１２の雄ネジ部１１２ｃ（後述）や内筒１１１の段部１１１ｄ（後述）に接触しないように、設計されている。 <Constituent elements of vacuum double container for soup insulation>
(1) Container Main Body The container main body 110 is a so-called vacuum double container, and is mainly formed of a bottomed inner cylinder 111 and a bottomed outer cylinder 112 as shown in FIG. Specifically, after the opening end of the inner cylinder 111 and the opening end of the outer cylinder 112 are joined so that the space SP is formed between the inner cylinder 111 and the outer cylinder 112, the space SP is vacuumed. The container main body 110 is formed by being in a state (see FIG. 2). In the present embodiment, in the soup heat-retaining vacuum double container 100, when only a plurality of container main bodies 110 are stacked, one outer cylinder 112 is a male threaded portion 112c (described later) or inner cylinder of another outer cylinder 112. It is designed so as not to come into contact with the 111 step portion 111d (described later).

内筒１１１は、図２に示されるように、主に、内筒側壁部１１１ａ、内筒底壁部１１１ｂ、先端壁部１１１ｃおよび段部１１１ｄから形成されている。なお、この内筒１１１は、ＳＵＳ３１６Ｌ、ＳＵＳ３１６、ＳＵＳ３０４Ｌ等の鋼材から形成されている。内筒１１１を形成する鋼材としては、外筒１１２を形成する鋼材よりも耐蝕性に優れるものが採用される。内筒側壁部１１１ａは、逆切頭円錐筒形状（逆円錐台筒形状）を呈している。なお、この内筒側壁部１１１ａのテーパ角θ１は、４°以上８°以下とされることが好ましい。また、この内筒側壁部１１１ａの先端側の開口径は７０ｍｍ以上１００ｍｍ以下であることが好ましく、７０ｍｍ以上９０ｍｍ以下であることがより好ましく、７０ｍｍ以上８０ｍｍ以下であることがさらに好ましい。開口径がこの大きさであれば、スプーンでスープを容易にすくい出すことができる共に容器本体１１０の保温力をキープすることができ、また、蓋本体１２０を脱着したときにスープの香りが広がり易く、人の手が入りやすく洗浄しやすいためである。内筒底壁部１１１ｂは、中央部ＣＴが開口側に向かって球面状に盛り上がっており、隅部ＣＲが凹円弧状を呈している。そして、中央部ＣＴの球面の径は、隅部ＣＲの円弧の径よりも大きくされている。なお、隅部ＣＲの円弧の径は、蓋本体１２０に収容される折り畳み式スプーンＳＮのすくい部の先端の円弧径よりも大きいことが好ましい。スープが少量になったとき、そのスプーンＳＮでスープをすくい出しやすいようにすることができるからである。また、隅部ＣＲの円弧の径は１０ｍｍ以上２０ｍｍ以下であることが好ましく、中央部ＣＴの球面の径は９０ｍｍ以上１１０ｍｍ以下であることが好ましい。先端壁部１１１ｃは略円筒形状を呈しており、その開口径は内筒側壁部１１１ａの開口径よりも大きくなっている。また、この先端壁部１１１ｃは、段部１１１ｄを介して内筒側壁部１１１ａに接合されている。段部１１１ｄは、逆切頭円錐筒形状（逆円錐台筒形状）の部位であって、上述の通り、内筒側壁部１１１ａと先端壁部１１１ｃとの間に位置し、内筒側壁部１１１ａと先端壁部１１１ｃとを接合している。なお、この段部１１１ｄは、蓋本体１２０が容器本体１１０に装着されたときに蓋本体１２０の内蓋１２１（後述）のパッキン（図示せず）に当接するように、位置決めされている。   As shown in FIG. 2, the inner cylinder 111 is mainly formed of an inner cylinder side wall 111a, an inner cylinder bottom wall 111b, a tip wall 111c, and a step 111d. The inner cylinder 111 is made of a steel material such as SUS316L, SUS316, or SUS304L. As the steel material forming the inner cylinder 111, a steel material that is more excellent in corrosion resistance than the steel material forming the outer cylinder 112 is employed. The inner cylinder side wall 111a has a reverse truncated conical cylinder shape (inverted truncated cone cylinder shape). The taper angle θ1 of the inner cylinder side wall 111a is preferably 4 ° or more and 8 ° or less. Further, the opening diameter on the tip side of the inner cylinder side wall 111a is preferably 70 mm or more and 100 mm or less, more preferably 70 mm or more and 90 mm or less, and further preferably 70 mm or more and 80 mm or less. If the opening diameter is this size, the soup can be easily scooped out with a spoon and the heat retaining power of the container body 110 can be kept, and the scent of the soup spreads when the lid body 120 is detached. This is because it is easy to put in human hands and easy to clean. In the inner cylinder bottom wall 111b, the central portion CT is raised in a spherical shape toward the opening side, and the corner CR has a concave arc shape. The diameter of the spherical surface of the central portion CT is made larger than the diameter of the arc of the corner portion CR. In addition, it is preferable that the diameter of the arc of the corner CR is larger than the arc diameter of the tip of the rake portion of the folding spoon SN accommodated in the lid main body 120. This is because when the soup becomes small, it can be easily scooped out with the spoon SN. Further, the diameter of the arc of the corner CR is preferably 10 mm or more and 20 mm or less, and the diameter of the spherical surface of the central part CT is preferably 90 mm or more and 110 mm or less. The tip wall portion 111c has a substantially cylindrical shape, and the opening diameter thereof is larger than the opening diameter of the inner cylinder side wall portion 111a. Moreover, this front-end | tip wall part 111c is joined to the inner cylinder side wall part 111a via the step part 111d. The step portion 111d is a portion having a reverse truncated conical cylinder shape (inverted truncated cone shape), and as described above, is located between the inner cylinder side wall portion 111a and the tip wall portion 111c, and the inner cylinder side wall portion 111a. And the tip wall 111c are joined. The stepped portion 111d is positioned so as to come into contact with a packing (not shown) of an inner lid 121 (described later) of the lid body 120 when the lid body 120 is attached to the container body 110.

外筒１１２は、図２に示されるように、主に、外筒側壁部１１２ａ、外筒底壁部１１２ｂおよび雄ネジ部１１２ｃから形成されている。なお、この外筒１１２は、内筒１１１を形成する鋼材よりも耐蝕性に劣る鋼材から形成されている。例えば、内筒１１１がＳＵＳ３０６Ｌから形成されている場合、外筒１１２は、例えば、ＳＵＳ３０６、ＳＵＳ３０４Ｌ、ＳＵＳ３０４、ＳＵＳ４３０等の鋼材から形成される。また、例えば、内筒１１１がＳＵＳ３０６から形成されている場合、外筒１１２は、例えば、ＳＵＳ３０４Ｌ、ＳＵＳ３０４、ＳＵＳ４３０等の鋼材から形成される。また、例えば、内筒１１１がＳＵＳ３０４Ｌから形成されている場合、外筒１１２は、例えば、ＳＵＳ３０４、ＳＵＳ４３０等の鋼材から形成される。また、例えば、内筒１１１がＳＵＳ３０４から形成されている場合、外筒１１２は、例えば、ＳＵＳ４３０等の鋼材から形成される。外筒側壁部１１２ａは、内筒側壁部１１１ａと同様に逆切頭円錐筒形状（逆円錐台筒形状）を呈している。なお、外筒側壁部１１２ａのテーパ角θ２は、図２に示されるように、内筒側壁部１１１ａのテーパ角θ１よりも大きくされている。なお、この外筒側壁部１１２ａのテーパ角θ２は、７°以上１８°以下であることが好ましい。使用者が容器本体１１０を把持しやすくなるからである。外筒底壁部１１２ｂは、略円盤形状を呈している。雄ネジ部１１２ｃは、外筒側壁部１１２ａの上部内側に形成されており、内蓋側壁部１２１ｂに形成される雌ネジ部１２１ｃ（後述）に螺合することができる。   As shown in FIG. 2, the outer cylinder 112 is mainly formed of an outer cylinder side wall portion 112a, an outer cylinder bottom wall portion 112b, and a male screw portion 112c. The outer cylinder 112 is made of a steel material that is inferior in corrosion resistance to the steel material forming the inner cylinder 111. For example, when the inner cylinder 111 is made of SUS306L, the outer cylinder 112 is made of a steel material such as SUS306, SUS304L, SUS304, SUS430, or the like. For example, when the inner cylinder 111 is made of SUS306, the outer cylinder 112 is made of a steel material such as SUS304L, SUS304, or SUS430. For example, when the inner cylinder 111 is made of SUS304L, the outer cylinder 112 is made of a steel material such as SUS304 or SUS430. For example, when the inner cylinder 111 is made of SUS304, the outer cylinder 112 is made of a steel material such as SUS430. The outer cylinder side wall part 112a is exhibiting a reverse truncated cone cylinder shape (inverted truncated cone cylinder shape) similarly to the inner cylinder side wall part 111a. The taper angle θ2 of the outer cylinder side wall portion 112a is larger than the taper angle θ1 of the inner cylinder side wall portion 111a as shown in FIG. The taper angle θ2 of the outer cylinder side wall 112a is preferably 7 ° or more and 18 ° or less. This is because the user can easily hold the container body 110. The outer cylinder bottom wall portion 112b has a substantially disk shape. The male threaded portion 112c is formed on the upper inner side of the outer cylinder side wall portion 112a and can be screwed into a female threaded portion 121c (described later) formed on the inner lid side wall portion 121b.

（２）蓋本体
蓋本体１２０は、図１および図２に示されるように、主に、内蓋１２１および外蓋１２２から形成されている。 (2) Lid Main Body The lid main body 120 is mainly formed of an inner lid 121 and an outer lid 122 as shown in FIGS. 1 and 2.

内蓋１２１は、図２に示されるように、主に、内蓋天壁部１２１ａ、内蓋側壁部１２１ｂ、雌ネジ部１２１ｃおよび断熱材収容部１２１ｄから形成されている。内蓋天壁部１２１ａは、椀状を呈している。そして、内蓋１２１に外蓋１２２が被せられたとき、内蓋天壁部１２１ａと外蓋１２２との間に空間ＳＳが生成される。なお、本実施の形態に係るスープ保温用真空二重容器１００では、この空間ＳＳは折り畳み式スプーンＳＮの収容空間として用いられる。内蓋側壁部１２１ｂは、略円筒形状を呈している。この内蓋側壁部１２１ｂの内周面には、図２に示されるように、雌ネジ部１２１ｃが形成されている。上述の通り、この雌ネジ部１２１ｃには、容器本体１１０の雄ネジ部１１２ｃが螺合される。断熱材収容部１２１ｄは、有底円筒形状を呈しており、平面視において内蓋側壁部１２１ｂの内側に設けられている。なお、この断熱材収容部１２１ｄの内部には、図２に示されるように、断熱材ＨＳが充填されている。また、この断熱材収容部１２１ｄは、図２に示されるように、容器本体１１０に内蓋１２１が装着された状態において断熱材ＨＳが容器本体１１０の上端よりも下側に位置するようになるまで下方に延びている。   As shown in FIG. 2, the inner lid 121 is mainly formed from an inner lid top wall portion 121a, an inner lid side wall portion 121b, a female screw portion 121c, and a heat insulating material accommodating portion 121d. The inner lid top wall 121a has a bowl shape. When the outer lid 122 is put on the inner lid 121, a space SS is generated between the inner lid top wall 121 a and the outer lid 122. In addition, in the soup heat-retaining vacuum double container 100 according to the present embodiment, this space SS is used as a storage space for the folding spoon SN. The inner lid side wall 121b has a substantially cylindrical shape. As shown in FIG. 2, a female screw part 121c is formed on the inner peripheral surface of the inner lid side wall part 121b. As described above, the male screw portion 112c of the container main body 110 is screwed into the female screw portion 121c. The heat insulating material accommodating portion 121d has a bottomed cylindrical shape, and is provided inside the inner lid side wall portion 121b in a plan view. In addition, as shown in FIG. 2, the heat insulating material HS is filled in the heat insulating material accommodating portion 121d. In addition, as shown in FIG. 2, in the heat insulating material accommodating portion 121 d, the heat insulating material HS is positioned below the upper end of the container main body 110 when the inner lid 121 is attached to the container main body 110. Extends downwards.

外蓋１２２は、内蓋１２１の上部を覆う部材であって、図１および図２に示されるように、主に、外蓋天壁部１２２ａおよび外蓋円筒壁部１２２ｂから形成される。外蓋天壁部１２２ａは、略円盤形状を呈する。なお、この外蓋天壁部１２２ａには、外筒底壁部１１２ｂの形状とほぼ一致する凹部ＲＣが形成されている。スープ保温用真空二重容器１００が２つ以上持ち運ばれる場合において、他のスープ保温用真空二重容器１００の底部がこの凹部ＲＣに収容される。外蓋円筒壁部１２２ｂは、略円筒形状を呈する。   The outer lid 122 is a member that covers the upper portion of the inner lid 121, and is mainly formed of an outer lid top wall portion 122a and an outer lid cylindrical wall portion 122b, as shown in FIGS. The outer lid top wall 122a has a substantially disk shape. The outer lid top wall 122a is formed with a recess RC that substantially matches the shape of the outer cylinder bottom wall 112b. When two or more soup warming vacuum double containers 100 are carried, the bottom of another soup warming vacuum double container 100 is accommodated in the recess RC. The outer lid cylindrical wall portion 122b has a substantially cylindrical shape.

＜スープ保温用真空二重容器の特徴＞
（１）
本実施の形態に係るスープ保温用真空二重容器１００では、外筒１１２が底側に向かうに従って縮径する。このため、このスープ保温用真空二重容器１００では、内筒１１１の先端側の内径を比較的大きくしつつ、外筒１１２の底側の外径を比較的小さく保つことができる。したがって、手が小さい女性や子供等は、外筒１１２の底側を選択してスープ保温用真空二重容器１００を把持すれば、比較的楽にスープ保温用真空二重容器１００を把持することができる。また、このスープ保温用真空二重容器１００では、内筒１１１は、開口に向かうに従って拡径する。このため、このスープ保温用真空二重容器１００は、スープをスプーンＳＮですくい出しやすくすることができる。したがって、このスープ保温用真空二重容器１００は、スープをスプーンＳＮですくい出すことができると共に、手が小さい女性や子供等であっても把持しやすい。 <Characteristics of vacuum double container for soup insulation>
(1)
In the soup heat-retaining vacuum double container 100 according to the present embodiment, the diameter of the outer cylinder 112 decreases as it goes toward the bottom. For this reason, in this soup heat-retaining vacuum double container 100, the outer diameter on the bottom side of the outer cylinder 112 can be kept relatively small while the inner diameter on the tip side of the inner cylinder 111 is made relatively large. Therefore, a woman, a child, or the like with a small hand can grip the soup warming vacuum double container 100 relatively easily by selecting the bottom side of the outer cylinder 112 and gripping the soup warming vacuum double container 100. it can. Moreover, in this soup heat-retaining vacuum double container 100, the diameter of the inner cylinder 111 increases toward the opening. For this reason, this soup heat-retaining vacuum double container 100 can easily soup the soup with the spoon SN. Therefore, the soup heat-retaining vacuum double container 100 can scoop the soup with the spoon SN and can be easily grasped even by a woman or a child with a small hand.

（２）
本実施の形態に係るスープ保温用真空二重容器１００では、内筒１１１がＳＵＳ３１６Ｌ等の鋼材から形成されている。このため、このスープ保温用真空二重容器では、塩分を多量に含むスープが入れられても内筒１１１が錆びにくい。また、内筒１１１がプレス加工で深絞り成形される場合、ＳＵＳ３０４に比べて加工されやすく、焼鈍処理が不要となる。このため、内筒１１１の製造効率が向上し、内筒１１１の製造コストを低減することができる。また、かかる場合、内筒１１１の肌荒れ（オレンジピール）が少なくなるため、ＳＣ加工後の内筒１１１の状態も向上する。 (2)
In the soup heat-retaining vacuum double container 100 according to the present embodiment, the inner cylinder 111 is formed of a steel material such as SUS316L. For this reason, in this soup heat-retaining vacuum double container, the inner cylinder 111 is not easily rusted even if soup containing a large amount of salt is put therein. Further, when the inner cylinder 111 is deep-drawn by press processing, it is easier to process than SUS304, and an annealing process becomes unnecessary. For this reason, the manufacturing efficiency of the inner cylinder 111 improves, and the manufacturing cost of the inner cylinder 111 can be reduced. Further, in this case, since the skin roughness (orange peel) of the inner cylinder 111 is reduced, the state of the inner cylinder 111 after SC processing is also improved.

（３）
本実施の形態に係るスープ保温用真空二重容器１００では、内筒底壁部１１１ｂの中央部ＣＴが開口側に向かって球面状に盛り上がっており、内筒底壁部１１１ｂの隅部ＣＲが凹円弧状を呈している。そして、中央部ＣＴの球面の径は、隅部ＣＲの円弧の径よりも大きい。このため、このスープ保温用真空二重容器１００では、スープが少量になってきた場合、スープが必然的に隅部ＣＲに流れる。ここで、スープ保温用真空二重容器１００を傾けると、スープが更に隅に集まりやすくなる。したがって、このスープ保温用真空二重容器１００では、スープが少量になった場合であっても効率的にスープをすくい出すことができる。 (3)
In the soup heat-retaining vacuum double container 100 according to the present embodiment, the central portion CT of the inner cylinder bottom wall portion 111b swells in a spherical shape toward the opening side, and the corner CR of the inner cylinder bottom wall portion 111b is It has a concave arc shape. And the diameter of the spherical surface of the central portion CT is larger than the diameter of the arc of the corner CR. For this reason, in this soup heat-retaining vacuum double container 100, when the soup becomes small, the soup necessarily flows into the corner CR. Here, if the soup heat-retaining vacuum double container 100 is tilted, the soup becomes easier to gather in the corner. Therefore, in this soup heat-retaining vacuum double container 100, the soup can be efficiently scooped even when the amount of soup becomes small.

（４）
本実施の形態に係るスープ保温用真空二重容器１００は、容器本体１１０のみを複数積み重ねたときに一の外筒１１２が他の外筒１１２の雄ネジ部１１２ｃや内筒１１１の段部１１１ｄに接触しないように、設計されている。このため、このスープ保温用真空二重容器１００は、複数の容器本体１１０を積み重ねて収容するたびに、雄ネジ部１１２ｃや段部１１１ｄが変形してその機能が損なわれることを防止することができる。 (4)
In the soup heat-retaining vacuum double container 100 according to the present embodiment, when only a plurality of container main bodies 110 are stacked, one outer cylinder 112 is a male threaded part 112c of another outer cylinder 112 and a step part 111d of the inner cylinder 111. Designed not to touch. For this reason, this soup heat-retaining vacuum double container 100 prevents the male threaded portion 112c and the stepped portion 111d from being deformed and losing its function each time a plurality of container main bodies 110 are stacked and accommodated. it can.

（５）
本実施の形態に係るスープ保温用真空二重容器１００では、図３に示されるように、容器本体１１０から蓋本体１２０を取り外すと共に内蓋１２１から外蓋１２２を取り外しておけば、内蓋１２１を、スープが付着したスプーンＳＮのトレーとして利用することができ、テーブル等を汚さないで済む。なお、かかる場合、さらに外蓋１２２を裏返してその外蓋１２２を内蓋１２１のトレー代わりとして使用してもよい。 (5)
In the soup heat-retaining vacuum double container 100 according to the present embodiment, as shown in FIG. 3, if the lid body 120 is removed from the container body 110 and the outer lid 122 is removed from the inner lid 121, the inner lid 121 is removed. Can be used as a tray for the spoon SN to which the soup is attached, so that the table or the like is not soiled. In such a case, the outer lid 122 may be turned over and the outer lid 122 may be used as a tray instead of the inner lid 121.

（６）
本実施の形態に係るスープ保温用真空二重容器１００では、容器本体１１０に内蓋１２１が装着された状態において、断熱材ＨＳが容器本体１１０の上端よりも下側に位置するようになるまで断熱材収容部１２１ｄが下方に延びている。このため、このスープ保温用真空二重容器１００は、その保温力を高く維持することができる。 (6)
In the soup heat-retaining vacuum double container 100 according to the present embodiment, the heat insulating material HS is positioned below the upper end of the container body 110 in a state where the inner lid 121 is attached to the container body 110. The heat insulating material accommodating portion 121d extends downward. For this reason, this vacuum double container 100 for soup heat retention can maintain the heat retention power highly.

＜変形例＞
（Ａ）
先の実施の形態に係るスープ保温用真空二重容器１００では内筒１１１の内筒側壁部１１１ａの形状が逆切頭円錐筒形状（逆円錐台筒形状）とされたが、内筒１１１の内筒側壁部１１１ａの形状は、円筒形状とされてもよいし、逆切頭円錐筒形状と円筒形状とが組み合わせられた形状であってもよい。なお、後者の場合、逆切頭円錐筒形体と円筒形体との接合位置の形状を円弧等（断面視）のなめらかな形状とすることが好ましい。 <Modification>
(A)
In the soup heat-retaining vacuum double container 100 according to the previous embodiment, the shape of the inner cylinder side wall 111a of the inner cylinder 111 is a reverse truncated conical cylinder shape (inverted truncated cone cylinder shape). The shape of the inner cylinder side wall 111a may be a cylindrical shape, or may be a shape in which a reverse truncated conical cylinder shape and a cylindrical shape are combined. In the latter case, it is preferable that the shape of the joining position of the inverted truncated conical cylindrical body and the cylindrical body is a smooth shape such as an arc or the like (sectional view).

（Ｂ）
先の実施の形態に係るスープ保温用真空二重容器１００では外筒側壁部１１２ａのテーパ角θ２が内筒側壁部１１１ａのテーパ角θ１よりも大きくされていたが、外筒側壁部１１２ａのテーパ角θ２は、内筒側壁部１１１ａのテーパ角θ１と同じであってもよいし、内筒側壁部１１１ａのテーパ角θ１よりも大きくされてもよい。 (B)
In the soup heat-retaining vacuum double container 100 according to the previous embodiment, the taper angle θ2 of the outer cylinder side wall portion 112a is larger than the taper angle θ1 of the inner cylinder side wall portion 111a. The angle θ2 may be the same as the taper angle θ1 of the inner cylinder side wall 111a, or may be larger than the taper angle θ1 of the inner cylinder side wall 111a.

（Ｃ）
先の実施の形態では特に言及しなかったが、図４に示されるように、外筒１１２Ａに張り出し部１１２ｅが形成されてもよい。なお、この張り出し部１１２ｅは、外筒１１２Ａにおいて外筒側壁部１１２ａよりも外側に向かって張り出している。この結果、外筒１１２Ａに段差が生じている。このため、このスープ保温用真空二重容器１００Ａは、使用者に把持されたとき、この段差が使用者の手に引っ掛かる。したがって、このスープ保温用真空二重容器１００Ａは、滑りにくく、持ちやすい。また、万一、落下等の衝撃で外筒１１２Ａが凹んだ場合であっても、張り出し部１１２ｅにより内筒１１１と接触する確率が減り、保温力を損なうおそれを低減することができる。 (C)
Although not particularly mentioned in the previous embodiment, as shown in FIG. 4, an overhanging portion 112 e may be formed on the outer cylinder 112 </ b> A. In addition, this overhang | projection part 112e is projected toward the outer side rather than the outer cylinder side wall part 112a in 112 A of outer cylinders. As a result, a step is generated in the outer cylinder 112A. For this reason, when the user holds the soup heat-retaining vacuum double container 100A, the step is caught in the user's hand. Therefore, the vacuum double container 100A for keeping the soup is not slippery and easy to hold. In addition, even if the outer cylinder 112A is recessed due to an impact such as a drop, the probability of contact with the inner cylinder 111 by the overhanging portion 112e is reduced, and the risk of impairing the heat retaining power can be reduced.

なお、図４中、先の実施の形態に係るスープ保温用真空二重容器１００の構成要素と異なる構造を有する構成要素については、先の実施の形態に係るスープ保温用真空二重容器１００の構成要素に付された符号の後に「Ａ」の文字を付している。   In addition, in FIG. 4, about the component which has a different structure from the component of the vacuum double container 100 for soup heat retention which concerns on previous embodiment, about the vacuum double container 100 for soup heat retention which concerns on previous embodiment. The letter “A” is appended after the reference numerals given to the components.

（Ｄ）
先の実施の形態に係るスープ保温用真空二重容器１００では蓋本体１２０が、折り畳み式スプーンＳＮを収容可能な構造とされたが、蓋本体１２０は、通常の構造の蓋体であってもよい。すわなち、内蓋１２１が蓋本体として利用されてもよい。かかる場合、内蓋天壁部１２１ａは、外蓋天壁部１２２ａのような形状とされることが好ましい。 (D)
In the soup-warming vacuum double container 100 according to the previous embodiment, the lid main body 120 has a structure capable of accommodating the folding spoon SN, but the lid main body 120 may be a lid having a normal structure. Good. That is, the inner lid 121 may be used as the lid body. In such a case, the inner lid top wall 121a is preferably shaped like the outer lid ceiling wall 122a.

１００，１００Ａ スープ保温用真空二重容器
１１０，１１０Ａ 容器本体
１１１ 内筒（内筒部）
１１１ｂ 内筒底壁部（内筒部の底壁）
１１２，１１２Ａ 外筒（外筒部）
ＣＲ 隅部
ＣＴ 中央部
ＳＰ 真空空間 100,100A Soup warming vacuum double container 110,110A Container body 111 Inner cylinder (inner cylinder part)
111b Inner cylinder bottom wall (bottom wall of the inner cylinder)
112, 112A Outer cylinder (outer cylinder part)
CR Corner CT Center SP Vacuum space

Claims (1)

底壁および側壁を有する内筒部と、
開口端部で前記内筒部の開口端部と接合される有底の外筒部と、
前記外筒部と前記内筒部との間に形成される真空空間と
を備え、
前記内筒部の底壁は、開口側に向かって球面状に盛り上がる中央部と、凹円弧状の隅部とを有し、
前記内筒部の側壁は、逆切頭円錐筒形状を呈し、前記内筒部の前記底壁の前記隅部の外縁から延びており、
前記中央部の球面の径は、前記隅部の円弧の径よりも大きい
スープ保温用真空二重容器。 An inner cylinder having a bottom wall and side walls ;
A bottomed outer cylinder part joined to the opening end part of the inner cylinder part at the opening end part;
A vacuum space formed between the outer cylinder part and the inner cylinder part,
The bottom wall of the inner cylinder part has a central part that rises spherically toward the opening side, and a concave arcuate corner,
The side wall of the inner cylinder part has a reverse truncated conical cylinder shape, and extends from the outer edge of the corner of the bottom wall of the inner cylinder part,
The vacuum double container for soup heat retention whose diameter of the spherical surface at the center is larger than the diameter of the arc at the corner.
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