JP2000043844A - Container made of heat insulating paper - Google Patents

Container made of heat insulating paper

Info

Publication number
JP2000043844A
JP2000043844A JP10207811A JP20781198A JP2000043844A JP 2000043844 A JP2000043844 A JP 2000043844A JP 10207811 A JP10207811 A JP 10207811A JP 20781198 A JP20781198 A JP 20781198A JP 2000043844 A JP2000043844 A JP 2000043844A
Authority
JP
Japan
Prior art keywords
container
protective cover
paper
main body
heat insulating
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.)
Granted
Application number
JP10207811A
Other languages
Japanese (ja)
Other versions
JP4135223B2 (en
Inventor
Takayuki Imai
隆之 今井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toppan Inc
Original Assignee
Toppan Printing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toppan Printing Co Ltd filed Critical Toppan Printing Co Ltd
Priority to JP20781198A priority Critical patent/JP4135223B2/en
Publication of JP2000043844A publication Critical patent/JP2000043844A/en
Application granted granted Critical
Publication of JP4135223B2 publication Critical patent/JP4135223B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

PROBLEM TO BE SOLVED: To provide a double-constituted container made of heat insulating paper, which is excellent in heat insulating properties and reduces other processes than a process of forming the container to as small in number as possible in a forming process of providing a protective cover outside a body of a container body. SOLUTION: This container has a container body 1 and a protective cover 2 made of paper, which is provided outside a body 10 of the container body 1 so as to have a predetermined space. The container body 1 is constituted so as to have a circumferential step portion provided at an upper part of the body 10, a linear protrusion 12 protruding outward, which is provided at an intermediate part thereof, and an overlapping portion 17 folded outward, which is provided at a lower end thereof. Further, the container is so structured that an inner face of the protective cover 2 is brought into contact with outer faces of both the circumferential step portion and the overlapping portion 17.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、2重構成の断熱紙
製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 double insulation paper container.

【0002】[0002]

【従来の技術】即席麺、即席スープ等の食べる際に、熱
湯を注いで使用する断熱性容器として、発泡スチレン製
の容器が汎用されている。この発泡スチレン製の容器
は、軽量で、断熱性が良好で汎用されているが、内容物
を使用後の廃棄の際は、一般廃棄物とは別に、プラスチ
ック類として分別しなければならなかった。一方、発泡
ポリスチレンに代わる廃棄性の容易な断熱性を有する容
器として、紙素材を使用した各種構造の紙容器が提案さ
れ、使用されている。
2. Description of the Related Art A container made of expanded styrene is widely used as a heat insulating container which is used by pouring boiling water when eating instant noodles and instant soups. This container made of expanded styrene is lightweight, has good heat insulating properties, and is widely used, but when disposing of the contents after use, it had to be separated as plastics separately from general waste. . On the other hand, paper containers having various structures using a paper material have been proposed and used as containers having easy-to-dispose heat insulating properties in place of expanded polystyrene.

【0003】この断熱性カップの構造として、実公昭5
3−59590号に示されるように、紙製カップ状容器
本体の外側に紙製の保護カバーを取り付けた2重構造が
一般的であった。しかしながら、2重構成のままである
と、熱湯を注いだ時に紙が湿気により柔らかくなり、手
で持ったときに、保護カバーの内面が、容器本体の外面
にそのまま接するようになり、熱くて手で持てなくなっ
てしまう問題があった。
As a structure of this heat insulating cup, there is Japanese Utility Model Publication No.
As shown in JP-A-3-59590, a double structure in which a paper-made protective cover is attached to the outside of a paper-made cup-shaped container body has been generally used. However, if the double configuration is maintained, when the hot water is poured, the paper becomes soft due to moisture, and when held by hand, the inner surface of the protective cover comes into direct contact with the outer surface of the container body. There was a problem that could not be held.

【0004】一方、手で持っても保護カバーと容器本体
との間に一定の間隔を保つために、各種手段を用いた紙
製容器が提案されている。例えば、保護カバーと容器本
体との間に一定の間隔を保ために、実開昭49−446
02号に示されるように、間に別部材を設けた構成とし
た場合、取り付ける部材、および部材を取り付ける工程
が増えることりより、紙製容器の価格はより高いものと
なってしまう問題があった。また、別部材を用いない構
成であっても、特開平8−113274号に示されるよ
うに、保護カバーと容器本体との間に一定の間隔を設け
るために、各種工程において、折曲げ、押圧等の手段を
別工程で用いなければならなかった。
On the other hand, paper containers using various means have been proposed in order to keep a constant distance between the protective cover and the container main body even when holding it by hand. For example, in order to keep a certain distance between the protective cover and the container body, it is necessary to provide a certain distance between the protective cover and the container body.
As shown in No. 02, in the case of a configuration in which another member is provided therebetween, there is a problem that the price of the paper container becomes higher due to an increase in the number of mounting members and the process of mounting the members. . Further, even in a configuration in which a separate member is not used, as shown in JP-A-8-113274, in order to provide a constant interval between the protective cover and the container body, bending and pressing are performed in various processes. And other means had to be used in a separate step.

【0005】[0005]

【発明が解決しようとする課題】ここで、保護カバーを
容器本体の胴部の外側に巻き付ける成形工程の他の工程
をできるだけ増加させず、しかも別部材を用いないで、
容器本体と保護カバーの間に一定の空間を保ち、しかも
熱湯を注いだ後、保護カバーを手で持っても熱く感じな
い2重構成の断熱紙製容器を提供することを目的とす
る。
Here, the other steps of the molding step of winding the protective cover around the outside of the body of the container body are not increased as much as possible, and the separate cover is not used.
It is an object of the present invention to provide a double-walled heat insulating paper container that maintains a certain space between a container body and a protective cover and that does not feel hot even if the protective cover is held by hand after pouring hot water.

【0006】[0006]

【課題を解決するための手段】本発明は、紙製容器本体
と、該容器本体の胴部の外側に一定の空間を有するよう
に紙製の保護カバーを設けた2重構成の紙製容器におい
て、前記容器本体は、胴部の上部に周回段部を、また中
間部に外側に突出する線状突部を設け、かつ下端に外方
に折り曲げた重ね合わせ部を有する構成とし、前記保護
カバーの内面が、前記容器本体の周回段部および重ね合
わせ部の外面に接する構造としたことを特徴とする、断
熱紙製容器である。
SUMMARY OF THE INVENTION The present invention relates to a paper container having a double structure in which a paper container main body and a paper protective cover are provided so as to have a certain space outside the body of the container main body. In the above, the container body has a configuration in which a circular step portion is provided at an upper portion of a body portion, a linear projection portion protruding outward is provided at an intermediate portion, and a superposed portion bent outward at a lower end is provided. A heat insulating paper container, wherein an inner surface of the cover is in contact with an outer surface of the orbiting step portion and the overlapping portion of the container body.

【0007】請求項2に記載の発明は、紙製容器本体
と、該容器本体の胴部の外側に一定の空間を有するよう
に紙製の保護カバーを設けた2重構成の紙製容器におい
て、前記容器本体は、胴部の上部に周回段部を有し、か
つ下端に外側に折重ねた折り返し部を有する構成とし、
また保護カバーの中間部に内側に突出する線状突部を有
する構成とし、前記保護カバーの内面が、前記容器本体
の周回段部および重ね合わせ部の外面に接する構造とし
たことを特徴とする、断熱紙製容器である。
According to a second aspect of the present invention, there is provided a paper container having a double configuration in which a paper container main body and a paper protective cover are provided so as to have a certain space outside the body of the container main body. The container body has a revolving step at the top of the body, and has a folded portion folded outward at the lower end,
Further, the protective cover has a configuration in which a linear projecting portion protruding inward is provided at an intermediate portion thereof, and the inner surface of the protective cover is configured to be in contact with the outer surface of the orbital step portion and the overlapping portion of the container body. , Insulated paper containers.

【0008】請求項3に記載の発明は、前記線状突部
を、周方向に設けたことを特徴とする、断熱紙製容器で
ある。請求項4に記載の発明は、前記周方向に設けられ
た線状突部を、連続状としたことを特徴とする、断熱紙
製容器である。請求項5に記載の発明は、前記線状突部
を、縦方向に一定間隔で設けたことを特徴とする、断熱
紙製容器である。
According to a third aspect of the present invention, there is provided a heat insulating paper container characterized in that the linear projection is provided in a circumferential direction. The invention according to claim 4 is an insulating paper container characterized in that the linear projections provided in the circumferential direction are continuous. The invention according to claim 5 is an insulating paper container characterized in that the linear projections are provided at regular intervals in the vertical direction.

【0009】請求項6に記載の発明は、前記保護カバー
の下端部を、容器本体の下端に巻き込んで一体化したこ
とを特徴とする、断熱紙製容器である。請求項7に記載
の発明は、前記保護カバーの上端部を、容器本体の上端
部と一緒に巻き込み一体化したことを特徴とする、断熱
紙製容器である。
According to a sixth aspect of the present invention, there is provided an insulating paper container wherein the lower end of the protective cover is wound around and integrated with the lower end of the container body. The invention according to claim 7 is an insulating paper container characterized in that the upper end of the protective cover is wound and integrated together with the upper end of the container body.

【0010】[0010]

【発明の実施の形態】以下図面を参照して本発明の断熱
紙製容器の実施例について説明する。図1は、本発明の
一実施形態を示す断面図で、図中符号1は、耐水加工を
施した紙製容器本体で、160〜300g/m2 の原紙
を基材とし、内面に20〜25μmのポリエチレン層を
積層した材料を使用する。また、2は、保護カバーで、
150〜350g/m2 の原紙を使用している。そし
て、容器本体1の胴部10の下端部14には、外側に折
り曲げた重ね合わせ部17、中間部には、周方向に延び
る外側に突出した線状突部12が形成され、上部には、
周回段部16が形成されている。この保護カバー2の原
紙の厚さを、280g/m2 以上の原紙を用いることに
より、容器本体1の原紙として薄いものを用いても、熱
湯を入れた状態において、保護カバー2の剛性を保つこ
とができ、手で容器をもっても熱く感じない構成とする
ことができる。一方、保護シート2は、容器本体1の胴
部10の外側に位置し、下部20が容器本体1の底部1
1に巻き込み一体化し、かつ上部21が容器本体1の上
端部15と一緒に巻き込み、一体化している。
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of an insulated paper container according to an embodiment of the present invention. FIG. 1 is a cross-sectional view showing one embodiment of the present invention. In the figure, reference numeral 1 denotes a paper container main body which has been subjected to a water-resistant treatment, using a base paper of 160 to 300 g / m 2 as a base material and an inner surface of 20 to 300 g / m 2. A material in which a 25 μm polyethylene layer is laminated is used. 2 is a protective cover,
A base paper of 150 to 350 g / m 2 is used. The lower end 14 of the body 10 of the container body 1 has an overlapping portion 17 bent outward, and a middle portion has a linear projection 12 projecting outward in the circumferential direction. ,
A circulating step 16 is formed. By using a base paper having a thickness of 280 g / m 2 or more for the base paper of the protective cover 2, the rigidity of the protective cover 2 can be maintained in a state where hot water is supplied even when a thin base paper of the container body 1 is used. And the container can be configured not to feel hot even if the container is held by hand. On the other hand, the protective sheet 2 is located outside the body 10 of the container body 1, and the lower portion 20 is located at the bottom 1 of the container body 1.
1 and the upper part 21 is wound together with the upper end part 15 of the container body 1 to be integrated.

【0011】また、図2に示すように、図1の容器本体
1に設けた線状突部12を設けず、保護シート2の中間
部に内側に突出する構造の線状突部22を設けた構成と
し、その他は図1と同じ構成とした断熱紙製容器であ
る。
As shown in FIG. 2, a linear projection 22 having a structure projecting inward is provided at an intermediate portion of the protective sheet 2 without providing the linear projection 12 provided on the container body 1 of FIG. A heat insulating paper container having the same configuration as that of FIG.

【0012】ここで、容器本体1と保護カバー2を一体
化する構造は、図1、および図2に示したように、上部
および下部の両方を巻き込み一体化する必要はなく、図
3に示すように、保護シート2の上部21が、容器本体
1巻き込んだ上端部15の下方に位置した構造としても
よい。
Here, as shown in FIGS. 1 and 2, the structure in which the container main body 1 and the protective cover 2 are integrated does not require both the upper part and the lower part to be integrated and is shown in FIG. As described above, the structure may be such that the upper portion 21 of the protection sheet 2 is located below the upper end portion 15 in which the container body 1 is wound.

【0013】容器本体1の下端部14に形成した、折り
曲げによる重ね合わせ部17は、単に折り返した2重構
造のでなく、巻き込んで2重構造以上とし、より厚い重
ね合わせ部としてもよい。
The overlapping portion 17 formed by bending, which is formed on the lower end portion 14 of the container main body 1, may be a double-layered structure or more, instead of a folded double structure, and may be a thicker overlapping portion.

【0014】次に、線状突部12、22は、0.2mm
以上の高さであれば十分でありるが、1mmを超える高
さであると、成形を別工程で行う必要があり、また、成
形スピードが低下するので、1mm以下の高さの範囲が
良好である。図1、および図2において、線状突部1
2、22は、周方向に延びる構造を示しており、この線
状突部は、連続状でも、断続状であってもよい。また、
線状突部の本数は1本に限らず複数本設けてもよい。さ
らに、容器本体1または保護カバー2のいずれか一方に
設けるのではなく、両方に設けてもよい。
Next, the linear projections 12, 22 are 0.2 mm
It is sufficient if the height is more than the above, but if the height is more than 1 mm, it is necessary to perform the molding in a separate step, and the molding speed is reduced, so the height range of 1 mm or less is preferable. It is. 1 and 2, the linear projection 1
Reference numerals 2 and 22 denote structures extending in the circumferential direction, and the linear projections may be continuous or intermittent. Also,
The number of linear projections is not limited to one, and a plurality of linear projections may be provided. Furthermore, instead of being provided on either one of the container body 1 or the protective cover 2, it may be provided on both.

【0015】線状突部は、周方向だけでなく、図4に示
すように縦方向に設けてもよい。縦方向に設ける場合
は、線状突部の間隔が手の指の大きさと略同等以下で設
けるのが、手で持った時に、容器本体の外面に接する可
能性が小さいので、安心して使用することができる。ま
た、縦方向に設けた場合の長さは、中央部分、またはそ
の上部の部分に設けてあればよい。
The linear projections may be provided not only in the circumferential direction but also in the vertical direction as shown in FIG. In the case of providing in the vertical direction, the interval between the linear protrusions should be set to be approximately equal to or less than the size of the finger of the hand, but when held by hand, the possibility of contact with the outer surface of the container body is small, so use it with confidence be able to. The length provided in the vertical direction may be any length provided that it is provided in the central portion or the upper portion thereof.

【0016】容器本体1の上方に形成した周回段部16
は、容器本体の上端から下方の位置に設け、1mm以
上、好ましくは2mm以上内方に窪ませた構造で、週方
向に連続、または不連続状態で設ける。
A circular step 16 formed above the container body 1
Is provided at a position below the upper end of the container main body, and has a structure indented inward by 1 mm or more, preferably 2 mm or more, and is provided continuously or discontinuously in the weekly direction.

【0017】[0017]

【発明の効果】本発明は、このように容器本体の上部の
周回段部と下端の重ね合わせ部の外面に、保護カバーの
の内面が接する構造なので、間に一定間隔の空間が確実
に形成される。これにより容器本体または/および保護
カバーに形成する線状突部の深さが浅くても、熱湯を注
いだ後、手で持った場合であっても、保護カバーが容器
本体の胴部の外面に接するのを防止することができ、確
実に断熱効果を発揮することができる。
According to the present invention, since the inner surface of the protective cover is in contact with the outer surface of the overlapping step at the lower end of the container body and the overlapping portion at the lower end, a space with a certain interval is reliably formed therebetween. Is done. Thus, even if the depth of the linear projection formed on the container body and / or the protective cover is shallow, or even if it is held by hand after pouring hot water, the protective cover remains on the outer surface of the body of the container body. Can be prevented from coming into contact with each other, and the heat insulating effect can be reliably exhibited.

【0018】また、線状突部の高さが1mm以下である
ので、容器の製造工程中で設けることができ、別の製造
工程とする必要がないので、工程が短縮でき、効率的に
製造することができる。
Also, since the height of the linear projection is 1 mm or less, it can be provided during the manufacturing process of the container, and there is no need to use a separate manufacturing process. can do.

【0019】さらに、容器本体のに設けた重ね合わせ部
は、外側に折り曲げて形成するので、容器本体の製造工
程の1連として製造することができ、効率の低下が小さ
くすることができる。
Furthermore, since the overlapping portion provided on the container main body is formed by bending outward, it can be manufactured as a series of manufacturing steps of the container main body, and the reduction in efficiency can be reduced.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の断熱紙製容器の構造の一例を示す断面
図である。
FIG. 1 is a cross-sectional view showing an example of the structure of a heat insulating paper container of the present invention.

【図2】本発明の断熱紙製容器の構造の他の例を示す断
面図である。
FIG. 2 is a sectional view showing another example of the structure of the heat insulating paper container of the present invention.

【図3】本発明の断熱紙製容器の構造の他の例を示す断
面図である。
FIG. 3 is a sectional view showing another example of the structure of the heat insulating paper container of the present invention.

【図4】本発明の断熱紙製容器の構造の他の例を示す断
面図である。
FIG. 4 is a cross-sectional view showing another example of the structure of the heat insulating paper container of the present invention.

【符号の説明】[Explanation of symbols]

1…容器本体 2…保護カバー 10…胴部 11…底部 12、22…線状突部 14…下端部 15…上端部 16…重ね合わせ部 17…周回段部 20…下部 21…上部 DESCRIPTION OF SYMBOLS 1 ... Container main body 2 ... Protective cover 10 ... Trunk part 11 ... Bottom part 12, 22 ... Linear projection 14 ... Lower end part 15 ... Upper end part 16 ... Overlapping part 17 ... Circular step part 20 ... Lower part 21 ... Upper part

Claims (7)

【特許請求の範囲】[Claims] 【請求項1】紙製容器本体と、該容器本体の胴部の外側
に一定の空間を有するように紙製の保護カバーを設けた
2重構成の紙製容器において、前記容器本体は、胴部の
上部に周回段部を、また中間部に外側に突出する線状突
部を設け、かつ下端に外方に折り曲げた重ね合わせ部を
有する構成とし、前記保護カバーの内面が、前記容器本
体の周回段部および重ね合わせ部の外面に接する構造と
したことを特徴とする、断熱紙製容器。
1. A double-walled paper container provided with a paper container main body and a paper protective cover so as to have a certain space outside the trunk of the container main body, wherein the container main body is A circular step at an upper portion of the portion, a linear projection protruding outward at an intermediate portion, and a superposed portion bent outward at a lower end, wherein an inner surface of the protective cover is the container body. Characterized in that it has a structure in contact with the outer surface of the orbiting step portion and the overlapping portion.
【請求項2】紙製容器本体と、該容器本体の胴部の外側
に一定の空間を有するように紙製の保護カバーを設けた
2重構成の紙製容器において、前記容器本体は、胴部の
上部に周回段部を有し、かつ下端に外側に折重ねた折り
返し部を有する構成とし、また保護カバーの中間部に内
側に突出する線状突部を有する構成とし、前記保護カバ
ーの内面が、前記容器本体の周回段部および重ね合わせ
部の外面に接する構造としたことを特徴とする、断熱紙
製容器。
2. A double-walled paper container provided with a paper container main body and a paper protective cover having a certain space outside the body of the container main body, wherein the container main body is The protective cover has a circular step at the upper part thereof, and has a folded portion folded outward at the lower end, and has a linear projection protruding inward at an intermediate portion of the protective cover. A container made of heat-insulating paper, wherein an inner surface is in contact with an outer surface of the orbiting step portion and an overlapping portion of the container body.
【請求項3】前記線状突部が、周方向に設けられたこと
を特徴とする、請求項1または請求項2のいずれかに記
載の断熱紙製容器。
3. The heat insulating paper container according to claim 1, wherein said linear projection is provided in a circumferential direction.
【請求項4】前記周方向に設けられた線状突部が、連続
状としたことを特徴とする、請求項3記載の断熱紙製容
器。
4. The heat insulating paper container according to claim 3, wherein the linear projection provided in the circumferential direction is continuous.
【請求項5】前記線状突部が、縦方向に一定間隔で設け
られたことを特徴とする、請求項1または請求項2のい
ずれかに記載の断熱紙製容器。
5. The insulated paper container according to claim 1, wherein the linear projections are provided at a constant interval in a vertical direction.
【請求項6】前記保護カバーの下端部を、容器本体の下
端に巻き込んで一体化したことを特徴とする、請求項1
ないし請求項5のいずれか1項に記載の断熱紙製容器。
6. The container according to claim 1, wherein the lower end of the protective cover is wound around and integrated with the lower end of the container body.
A container made of insulated paper according to any one of claims 5 to 7.
【請求項7】前記保護カバーの上端部を、容器本体の上
端部と一緒に巻き込み一体化したことを特徴とする、請
求項1ないし請求項6のいずれか1項に記載の断熱紙製
容器。
7. The insulated paper container according to claim 1, wherein an upper end of the protective cover is wound and integrated with an upper end of the container body. .
JP20781198A 1998-07-23 1998-07-23 Insulated paper container Expired - Fee Related JP4135223B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20781198A JP4135223B2 (en) 1998-07-23 1998-07-23 Insulated paper container

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20781198A JP4135223B2 (en) 1998-07-23 1998-07-23 Insulated paper container

Publications (2)

Publication Number Publication Date
JP2000043844A true JP2000043844A (en) 2000-02-15
JP4135223B2 JP4135223B2 (en) 2008-08-20

Family

ID=16545903

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20781198A Expired - Fee Related JP4135223B2 (en) 1998-07-23 1998-07-23 Insulated paper container

Country Status (1)

Country Link
JP (1) JP4135223B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000203664A (en) * 1999-01-08 2000-07-25 Michael Hoerauf Mas Fab Gmbh & Co Kg Paper-made heat-insulated cup
KR20020025616A (en) * 2000-09-29 2002-04-04 김근수 The equipment interception temperature paper bowl
KR20050060899A (en) * 2003-12-17 2005-06-22 철 양 A double paper cup with double curling part

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000203664A (en) * 1999-01-08 2000-07-25 Michael Hoerauf Mas Fab Gmbh & Co Kg Paper-made heat-insulated cup
KR20020025616A (en) * 2000-09-29 2002-04-04 김근수 The equipment interception temperature paper bowl
KR20050060899A (en) * 2003-12-17 2005-06-22 철 양 A double paper cup with double curling part

Also Published As

Publication number Publication date
JP4135223B2 (en) 2008-08-20

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