JPH09272571A - Heat-insulating food container and its manufacture - Google Patents
Heat-insulating food container and its manufactureInfo
- Publication number
- JPH09272571A JPH09272571A JP10619196A JP10619196A JPH09272571A JP H09272571 A JPH09272571 A JP H09272571A JP 10619196 A JP10619196 A JP 10619196A JP 10619196 A JP10619196 A JP 10619196A JP H09272571 A JPH09272571 A JP H09272571A
- Authority
- JP
- Japan
- Prior art keywords
- container
- peripheral wall
- resin flow
- heat
- ridges
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0046—Details relating to the filling pattern or flow paths or flow characteristics of moulding material in the mould cavity
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Packages (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Package Specialized In Special Use (AREA)
- Containers Having Bodies Formed In One Piece (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】この発明は加熱して食する冷
凍食品その他の食品容器に適した断熱食品容器に関する
ものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat-insulating food container suitable for frozen food and other food containers to be heated and eaten.
【0002】[0002]
【従来の技術】従来、食品用の断熱容器としては、容器
を発砲樹脂や段ボールなどの断熱性の高い素材で形成し
たものや、二重容器として内外の容器間に断熱層を形成
したものなどが提案され、実用化されている。また、容
器の製造方法として、キャビティ型に溶融樹脂の流路を
形成し、この流路に樹脂を流すことによって肉厚が可及
的に薄い容器の製造を可能にした技術も提案されている
(例えば特開昭63−132017号)。2. Description of the Related Art Conventionally, as a heat insulating container for food, a container made of a material having a high heat insulating property such as foamed resin or corrugated board, or a double container having a heat insulating layer formed between the inner and outer containers, etc. Has been proposed and put into practical use. In addition, as a method of manufacturing a container, a technique has been proposed in which a molten resin flow path is formed in a cavity mold and a resin is allowed to flow through the flow path to manufacture a container having a thinnest possible wall thickness. (For example, JP-A-63-132017).
【0003】更に、容器の外側に突条を形成したものも
提案されているが、従来の突条は補強を目的としたもの
であって、その高さは補強目的を達成する範囲内で可及
的に低くすることが必要とされていた。また、上記製造
方法においても、キャビティ型に形成する溶融樹脂の流
路は、成形された容器においては可及的に目立たないよ
うに、すなわち流路の深さは可及的に浅くすることが望
まれていた。Further, a container in which a ridge is formed on the outer side of the container has been proposed, but the conventional ridge is for the purpose of reinforcement, and its height can be set within a range for achieving the reinforcement purpose. It was required to be as low as possible. Also in the above-mentioned manufacturing method, the flow path of the molten resin formed in the cavity mold should be as inconspicuous as possible in the molded container, that is, the depth of the flow path should be as shallow as possible. Was wanted.
【0004】また、容器の外側に放熱用の突条(放熱フ
ィン)を設けることは一般的な技術であるが、従来容器
に放熱フィンを設ける目的は、容器自体又は容器内部を
冷却することにあり、容器を持ったときに熱くない、と
いう断熱目的で放熱フィンを設けることは知られていな
い。Further, it is a general technique to provide a radiating strip (radiating fin) on the outside of the container, but the purpose of providing the radiating fin to the conventional container is to cool the container itself or the inside of the container. However, it is not known to provide a radiating fin for the purpose of heat insulation that the container is not hot when held.
【0005】[0005]
【発明が解決しようとする課題】上記従来の断熱食品容
器においては、発砲樹脂を使用したものは熱に弱く、電
子レンジでの加熱調理に不向きであり、段ボールを使用
したものや二重容器としたものは製造コストが高い、な
どの問題点があった。そのために、熱に強く、断熱効果
が高く、かつ製造コストが低い食品容器が望まれてい
る。特に冷凍食品の容器として、冷凍食品として流通す
る際に十分な強度を有し、電子レンジで加熱する際に十
分な耐熱性を有し、かつ加熱した時に手に持っても熱く
ない容器が要求されている。Among the conventional heat-insulating food containers, those using foamed resin are weak against heat and are not suitable for heating in a microwave oven, and those using corrugated cardboard and double containers are not suitable. There was a problem that the manufacturing cost was high. Therefore, a food container that is resistant to heat, has a high heat insulating effect, and has a low manufacturing cost is desired. In particular, as a container for frozen foods, a container that has sufficient strength when distributed as frozen foods, has sufficient heat resistance when heated in a microwave oven, and is not hot to hold in the hand when heated is required. Has been done.
【0006】[0006]
【課題を解決するための手段】この発明の断熱食品容器
は、合成樹脂製容器の周壁外側に突条を多数形成し、前
記突条は容器周壁と一体成形し、突条の高さ及び隣接す
る突条の間隔は、容器を持ったときに指が周壁に接触し
ない程度としたものとして構成する。前記突条は肉薄が
好ましい。そして縦方向に形成するのが一般的であり、
補強効果も得られるこの発明の方法は、容器の内形に対
応した形状のコア型と、容器の外形に対応した形状のキ
ャビティ型を使用して射出成形によって上記断熱容器を
製造するものである。前記キャビティ型は、容器底面中
央に対応する位置に射出口を設け、この射出口から放射
状に分岐する底面樹脂流路を設ける。また、前記キャビ
ティ型の容器周壁に対応する部分には、その上下にわた
り前記底面樹脂流路の先端から連続する周壁樹脂流路を
設け、この周壁樹脂流路の深さ及び隣接する樹脂流路の
間隔は、周壁樹脂流路によって突条が成形された容器を
持ったときに指が周壁に接触しない程度とする。そし
て、前記射出口から溶融樹脂を加圧流入させ、前記底面
樹脂流路及び周壁樹脂流路を流して容器の周壁外側に多
数の突条を成形し、併せて前記各樹脂流路間に樹脂を流
入させて容器の底壁及び周壁を成形する。In the heat-insulating food container of the present invention, a large number of ridges are formed on the outside of the peripheral wall of a synthetic resin container, and the ridges are integrally formed with the container peripheral wall, and the height of the ridges and the adjacent The protrusions are formed so that the fingers do not come into contact with the peripheral wall when holding the container. The ridge is preferably thin. And it is generally formed in the vertical direction,
According to the method of the present invention which can also obtain a reinforcing effect, the above heat insulating container is manufactured by injection molding using a core mold having a shape corresponding to the inner shape of the container and a cavity mold having a shape corresponding to the outer shape of the container. . In the cavity mold, an injection port is provided at a position corresponding to the center of the bottom surface of the container, and a bottom surface resin flow path radially branched from the injection port is provided. Further, in the portion corresponding to the peripheral wall of the cavity type container, a peripheral wall resin flow passage that is continuous from the tip of the bottom surface resin flow passage is provided above and below, and the depth of this peripheral wall resin flow passage and the adjacent resin flow passage The space is set such that the fingers do not contact the peripheral wall when holding the container having the ridge formed by the peripheral wall resin flow path. Then, a molten resin is pressurized and flowed in from the injection port to flow through the bottom surface resin flow path and the peripheral wall resin flow path to form a large number of ridges on the outer side of the peripheral wall of the container. To form the bottom wall and the peripheral wall of the container.
【0007】[0007]
【作用】この発明の容器において、容器の周壁外側に形
成した突条は、放熱作用をもつ。したがって、容器の内
容物が熱くとも突条の先端縁が熱くなることはない。そ
して、突条の高さ、隣接突条の間隔を、手で持ったとき
に指が容器の周壁に触れない程度としてあるので、容器
を持ったときに手が触れるのは、熱くならない突条の端
縁のみである。したがって、内容物が熱く容器の周壁が
手で持てないほどに熱くとも、手は突条の先端縁に触れ
るのみであるから、格別の厚さを感じることなく、容器
を持つことができる。In the container of the present invention, the ridge formed on the outside of the peripheral wall of the container has a heat radiating function. Therefore, even if the contents of the container become hot, the leading edge of the ridge will not become hot. The height of the ridges and the distance between the adjacent ridges are set so that the fingers do not touch the peripheral wall of the container when held by hand, so it is not hot for the hand to touch when holding the container. Only the edge of. Therefore, even if the contents are hot and the peripheral wall of the container is too hot to hold by hand, the hand only touches the tip edge of the ridge, so that the container can be held without feeling any particular thickness.
【0008】また、この発明の方法によれば、上記容器
を一度の成形で製造することができ、製造コストも比較
的低く抑えることができる。しかも適宜の樹脂(例えば
100度C以上の耐熱性を有するもの)を選択すること
により、冷凍庫での保存、電子レンジでの加熱に適し、
そのまま飲食に供することができる。Further, according to the method of the present invention, the container can be manufactured by molding once, and the manufacturing cost can be kept relatively low. Moreover, by selecting an appropriate resin (for example, one having a heat resistance of 100 ° C. or higher), it is suitable for storage in a freezer and heating in a microwave oven,
It can be served as it is.
【0009】[0009]
【実施の形態1】図1において、合成樹脂(ポリプロピ
レン、ポリエチレンなどのオレフィン系樹脂)製のカッ
プ状容器1の周壁2の外側に、縦方向の突条3を多数等
間隔で形成して、この発明の断熱食品容器としてある。
前記突条3は、断面V字状であって、高さ約1.5ミ
リ、基部の幅約1ミリ、そして隣接する突条間隔約5ミ
リ(中心間)として、容器1を手でつかんだときに指が
周壁2に触れないようにしてある。First Embodiment In FIG. 1, a large number of vertical ridges 3 are formed at equal intervals on the outside of a peripheral wall 2 of a cup-shaped container 1 made of synthetic resin (olefin resin such as polypropylene and polyethylene). The heat-insulating food container of the present invention.
The ridge 3 has a V-shaped cross section, a height of about 1.5 mm, a base width of about 1 mm, and an interval between adjacent ridges of about 5 mm (center-to-center) to grab the container 1 by hand. At that time, the fingers do not touch the peripheral wall 2.
【0010】この容器1において、突条3は放熱効果を
奏するので、容器1内に熱湯などを収納して周壁2が熱
くなっても、突条3で放熱されるので突条3の先端縁3
aの温度は比較的低温に止まり、指が触れても格別の熱
さを感じることはない。そして、突条3の大きさ及び配
置は、指が周壁2に触れないものとしてあるので、容器
1をつかんだときに指は高温となる容器の周壁2に触れ
ることはなく、低温の突条3に触れるのみであるから、
内容物が熱くとも熱さを感じることなく容器を持つこと
ができる。In this container 1, the ridges 3 have a heat radiation effect, so that even if hot water or the like is stored in the container 1 and the peripheral wall 2 becomes hot, heat is radiated by the ridges 3 so that the tip edge of the ridges 3 is heated. Three
The temperature of a remains relatively low, and even if it is touched by a finger, no particular heat is felt. The size and arrangement of the ridges 3 are such that the fingers do not touch the peripheral wall 2, so that when the container 1 is grasped, the fingers do not touch the peripheral wall 2 of the container having a high temperature, and the ridges having a low temperature are provided. Because you only touch 3.
Even if the contents are hot, you can hold the container without feeling the heat.
【0011】この実施形態においては、容器の素材をオ
レフィン系としてある。この素材は冷却、加熱のいずれ
にも強いので、冷凍庫で保存し、電子レンジで加熱され
るという過酷な条件で使用される冷凍食品の容器として
適性がある。そして、上記のように、加熱して食する際
に手で持ったときにも熱くない。したがって、加熱して
容器に入れられたままの状態で食する冷凍食品の容器と
して好適である。なお、加熱調理して容器のまま食する
冷凍食品の容器として使用する場合、素材としては上記
オレフィン系樹脂の他、100度C程度以上の耐熱性を
有するものであればよい。In this embodiment, the material of the container is olefin-based. Since this material is strong in both cooling and heating, it is suitable as a container for frozen foods that is stored in a freezer and heated in a microwave oven under severe conditions. And, as mentioned above, it is not hot when held by hand when heated and eaten. Therefore, it is suitable as a container for frozen food that can be eaten while being heated and placed in the container. When used as a container for frozen food that is cooked by heating and eats as a container, the material may be any one having heat resistance of about 100 ° C. or higher in addition to the above-mentioned olefin resin.
【0012】突条3の大きさ、間隔は上記実施形態のも
のに限定されるものではない。要は容器を手で持ったと
きに指が容器1の周壁2に触れなければよいのである。
したがって、突条の高さを高くすれば突条の間隔は大き
くすることができ、突条の高さを低くすれば突条の間隔
を小さくしなければならない。尤も、突条の高さが極め
て低いと放熱効果を期待できないので、突条の高さは1
ミリ程度が限界であろう。The size and spacing of the protrusions 3 are not limited to those in the above embodiment. The point is that the fingers do not have to touch the peripheral wall 2 of the container 1 when the container is held by hand.
Therefore, if the height of the ridges is increased, the distance between the ridges can be increased, and if the height of the ridges is decreased, the distance between the ridges must be reduced. However, if the height of the ridge is extremely low, the heat dissipation effect cannot be expected, so the height of the ridge is 1
The limit is about millimeter.
【0013】[0013]
【実施の形態2】図3はこの発明の製造方法に使用する
キャビティ型11の平面図である。すなわち、容器1の
底に対応する底部分12の中央に射出口13が形成して
あり、この射出口13から放射状に分岐する底面樹脂流
路14が浅い溝(深さミリ)をなして形成してある。こ
の底面樹脂流路14は数次にわたって分岐し、底部分1
2の周縁においては成形すべき突条3の数と等しい数に
分岐している。キャビティ型11の容器1の周壁に対応
する周壁部分15には、突条3に対応した周壁樹脂流路
16が断面V字状の深い溝をなして形成してある。Second Embodiment FIG. 3 is a plan view of a cavity mold 11 used in the manufacturing method of the present invention. That is, the injection port 13 is formed in the center of the bottom portion 12 corresponding to the bottom of the container 1, and the bottom resin flow passage 14 radially branched from the injection port 13 is formed as a shallow groove (depth mm). I am doing it. This bottom surface resin flow path 14 is branched over several orders, and the bottom portion 1
At the periphery of 2, the number of branches is equal to the number of ridges 3 to be molded. A peripheral wall resin passage 16 corresponding to the ridge 3 is formed in a peripheral wall portion 15 corresponding to the peripheral wall of the container 1 of the cavity mold 11 with a deep groove having a V-shaped cross section.
【0014】このキャビティ型11とコア型17とを組
み合わせてセットし、キャビティ型の射出口13から溶
融樹脂を高圧で注入する。注入された樹脂は、底面樹脂
流路14を流れ、堰18に到る。このとき、堰18でせ
き止められた樹脂は底面樹脂流路14から流出して容器
底面を形成すると共に、堰18を越えて周壁樹脂流路1
6に流れ込み、突条3を成形し、突条3から流出した樹
脂は周壁2を成形する。上記樹脂の流動は高圧で行われ
るので、瞬間的に容器1が成形される。このように、こ
の発明の方法によれば、突条を有する断熱食品容器を作
業製よく製造することができる。The cavity mold 11 and the core mold 17 are set in combination, and the molten resin is injected at a high pressure from the injection port 13 of the cavity mold. The injected resin flows through the bottom surface resin flow path 14 and reaches the weir 18. At this time, the resin dammed up by the weir 18 flows out from the bottom surface resin flow passage 14 to form the bottom surface of the container, and at the same time, passes over the weir 18 and the peripheral wall resin flow passage 1 is formed.
6, the ridge 3 is formed, and the resin flowing out from the ridge 3 forms the peripheral wall 2. Since the resin flows at a high pressure, the container 1 is instantaneously molded. As described above, according to the method of the present invention, it is possible to manufacture the heat-insulating food container having the ridge with good workability.
【0015】[0015]
【発明の効果】この発明によれば、容器の周壁外側に突
条を設け、容器を持ったときに指が放熱効果によって比
較的低温に止まる突条にのみ接触し、容器周壁には触れ
ないようにしたので、容器内に熱湯などの熱い内容物が
収納されても、熱さを感じることがない。したがって、
カップラーメンや即席味噌汁、オートミールや冷凍グラ
タンなどの食品容器として適し、特に素材の選択によっ
て冷凍、加熱双方の耐性に優れた容器とすることができ
るので、容器のままで加熱し食する冷凍食品の容器とし
て好適である。According to the present invention, a ridge is provided on the outside of the peripheral wall of the container, and when the container is held, the finger comes into contact only with the ridge that remains at a relatively low temperature due to the heat radiation effect, and does not touch the peripheral wall of the container. As a result, even if hot contents such as hot water are stored in the container, no heat is felt. Therefore,
Suitable as a food container for cup ramen, instant miso soup, oatmeal, frozen gratin, etc. In particular, it can be made into a container with excellent resistance to both freezing and heating depending on the selection of materials, It is suitable as a container.
【図1】 この発明の容器の斜視図である。FIG. 1 is a perspective view of a container of the present invention.
【図2】 この発明の容器を手で持ったときの説明図で
ある。FIG. 2 is an explanatory diagram when the container of the present invention is held by hand.
【図3】 この発明の方法に使用するキャビティ型の平
面図である。FIG. 3 is a plan view of a cavity mold used in the method of the present invention.
【図4】 この発明の方法の実施過程を示す断面図であ
る。FIG. 4 is a cross-sectional view showing an implementation process of the method of the present invention.
1 容器 2 周壁 3 突条 3a 突条の先端縁 11 キャビティ型 12 底部分 13 射出口 14 底面樹脂流路 15 周壁部分 16 周壁樹脂流路 17 コア型 18 堰 DESCRIPTION OF SYMBOLS 1 container 2 peripheral wall 3 ridge 3a tip edge of ridge 11 cavity type 12 bottom portion 13 injection port 14 bottom resin flow passage 15 peripheral wall portion 16 peripheral wall resin flow passage 17 core type 18 weir
Claims (4)
形成され、前記突条は容器周壁と一体成形され、突条の
高さ及び隣接する突条の間隔は、容器を持ったときに指
が周壁に接触しない程度とした、断熱食品容器1. A plurality of ridges are formed on the outside of a peripheral wall of a synthetic resin container, the ridges are integrally formed with the container peripheral wall, and the height of the ridges and the distance between adjacent ridges are determined when the container is held. Insulated food container with fingers not touching the peripheral wall
食品容器2. The heat-insulating food container according to claim 1, wherein the ridge is thin.
適性と、食品の電子レンジでの加熱に耐える適性とを有
するものとした、請求項1又は2に記載の断熱食品容器3. The heat-insulating food container according to claim 1, wherein the material of the container has suitability as a container for frozen foods and suitability for heating foods in a microwave oven.
容器の外形に対応した形状のキャビティ型を使用し、前
記キャビティ型の容器底面中央に対応する位置に射出口
を設け、この射出口から放射状に分岐する底面樹脂流路
を設け、前記キャビティ型の容器周壁に対応する部分に
は、その上下にわたり前記底面樹脂流路の先端から連続
する周壁樹脂流路を設け、この周壁樹脂流路の深さ及び
隣接する樹脂流路の間隔は、周壁樹脂流路によって突条
が成形された容器を持ったときに指が周壁に接触しない
程度とし、前記射出口から溶融樹脂を加圧流入させ、前
記底面樹脂流路及び周壁樹脂流路を流して容器の周壁外
側に多数の突条を成形し、併せて前記各樹脂流路間に樹
脂を流入させて容器の底壁及び周壁を成形することを特
徴とした断熱食品容器の製造方法4. A core mold having a shape corresponding to the inner shape of the container,
A cavity mold having a shape corresponding to the outer shape of the container is used, an injection port is provided at a position corresponding to the center of the bottom face of the cavity mold, and a bottom resin flow path radially branched from the injection port is provided. In the portion corresponding to the peripheral wall of the container, a peripheral wall resin flow passage that is continuous from the tip of the bottom surface resin flow passage is provided above and below, and the depth of this peripheral wall resin flow passage and the interval between adjacent resin flow passages are When a container having a ridge formed by a passage is held, the fingers do not come into contact with the peripheral wall, the molten resin is pressure-flowed from the injection port, and the bottom resin flow passage and the peripheral wall resin flow passage are made to flow to the container. A method for manufacturing a heat-insulating food container, characterized in that a large number of ridges are formed on the outside of the peripheral wall, and a resin is flown between the resin flow paths to form the bottom wall and the peripheral wall of the container.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10619196A JPH09272571A (en) | 1996-04-02 | 1996-04-02 | Heat-insulating food container and its manufacture |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10619196A JPH09272571A (en) | 1996-04-02 | 1996-04-02 | Heat-insulating food container and its manufacture |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH09272571A true JPH09272571A (en) | 1997-10-21 |
Family
ID=14427307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10619196A Pending JPH09272571A (en) | 1996-04-02 | 1996-04-02 | Heat-insulating food container and its manufacture |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH09272571A (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000226079A (en) * | 1999-02-03 | 2000-08-15 | Fuji Seal Inc | Heat insulation vessel for food |
JP2002019760A (en) * | 2000-07-03 | 2002-01-23 | Fuji Seal Inc | Heat-insulating container for food |
JP2004284682A (en) * | 2003-03-05 | 2004-10-14 | Fuji Seal Inc | Thermally insulated container |
JP2006001569A (en) * | 2004-06-16 | 2006-01-05 | Fuji Seal International Inc | Container |
JP2011178400A (en) * | 2010-02-26 | 2011-09-15 | Daishin Kako Kk | Packaging container |
JP6085729B1 (en) * | 2015-12-15 | 2017-02-22 | バンドー化学株式会社 | Method for producing foam molded product and foam molded product |
WO2017104217A1 (en) * | 2015-12-15 | 2017-06-22 | バンドー化学株式会社 | Method for manufacturing foam molded article, and foam molded article |
JP2018052522A (en) * | 2016-09-27 | 2018-04-05 | 株式会社フジシール | Cup container and cup package |
WO2023135415A1 (en) * | 2022-01-13 | 2023-07-20 | Langham Product Invention Ltd | A reusable cup |
-
1996
- 1996-04-02 JP JP10619196A patent/JPH09272571A/en active Pending
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000226079A (en) * | 1999-02-03 | 2000-08-15 | Fuji Seal Inc | Heat insulation vessel for food |
JP2002019760A (en) * | 2000-07-03 | 2002-01-23 | Fuji Seal Inc | Heat-insulating container for food |
JP2004284682A (en) * | 2003-03-05 | 2004-10-14 | Fuji Seal Inc | Thermally insulated container |
JP2006001569A (en) * | 2004-06-16 | 2006-01-05 | Fuji Seal International Inc | Container |
JP2011178400A (en) * | 2010-02-26 | 2011-09-15 | Daishin Kako Kk | Packaging container |
JP6085729B1 (en) * | 2015-12-15 | 2017-02-22 | バンドー化学株式会社 | Method for producing foam molded product and foam molded product |
WO2017104217A1 (en) * | 2015-12-15 | 2017-06-22 | バンドー化学株式会社 | Method for manufacturing foam molded article, and foam molded article |
US10906216B2 (en) | 2015-12-15 | 2021-02-02 | Bando Chemical Industries, Ltd. | Method for manufacturing foam molded article, and foam molded article |
EP3392014B1 (en) * | 2015-12-15 | 2022-03-09 | Bando Chemical Industries, Ltd. | Method for manufacturing a foam molded article |
JP2018052522A (en) * | 2016-09-27 | 2018-04-05 | 株式会社フジシール | Cup container and cup package |
WO2023135415A1 (en) * | 2022-01-13 | 2023-07-20 | Langham Product Invention Ltd | A reusable cup |
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