JPH11130157A - Heat-insulating container - Google Patents
Heat-insulating containerInfo
- Publication number
- JPH11130157A JPH11130157A JP10011999A JP1199998A JPH11130157A JP H11130157 A JPH11130157 A JP H11130157A JP 10011999 A JP10011999 A JP 10011999A JP 1199998 A JP1199998 A JP 1199998A JP H11130157 A JPH11130157 A JP H11130157A
- Authority
- JP
- Japan
- Prior art keywords
- heat insulating
- side wall
- paper
- paper cup
- insulating container
- 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
Landscapes
- Package Specialized In Special Use (AREA)
- Packages (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、熱湯を注いで調理
するインスタント食品に使用される紙製の断熱容器に関
する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a paper-made insulated container used for ready-to-eat foods cooked by pouring boiling water.
【０００２】[0002]
【従来の技術】これまで、インスタントラーメンを中心
に使用されてきている紙製の断熱容器には、縦方向に凸
条と凹条が交互に整列するように加工された波板状の断
熱材が紙製のカップ本体の胴部外周に巻き付けられたも
のが多く使用されている。特開平８−１１３２７４号公
報においては、波板の断面形状を変え、表面に凹陥部を
少なくして平板部を多くした断熱容器が提案され、実用
されている。また、実開平４−４５２１６号公報、特開
平８−１０４３７２号公報には、コルゲート加工、ある
いはエンボス加工された断熱材の上に、さらにライナー
あるいは薄紙が巻かれ、表面に凹凸のない断熱容器が提
案されている。一方において、実開平４−４５２１２号
公報には、かかる断熱材を使用しないで、２重のカップ
間に形成された空間によって断熱性を賦与しようとする
提案も見られる。2. Description of the Related Art Insulating paper containers, which have been used mainly for instant noodles, include a corrugated insulating material processed so that convex and concave stripes are alternately arranged in the vertical direction. Are often wound around the outer periphery of the body of a paper cup body. In JP-A-8-113274, an insulated container in which the cross-sectional shape of a corrugated sheet is changed and the number of flat portions is increased by reducing the number of concave portions on the surface has been proposed and put to practical use. JP-A-4-45216 and JP-A-8-104372 disclose an insulated container having a corrugated or embossed heat insulating material and a liner or thin paper wound thereon, and having no uneven surface. Proposed. On the other hand, in Japanese Utility Model Laid-Open No. 4-45212, there is also proposed a method of providing heat insulation by using a space formed between double cups without using such a heat insulating material.
【０００３】[0003]
【発明が解決しようとする課題】しかるに、前述の断熱
材として波板状の断熱材をカップ本体の胴部に巻き付け
たものは、その断熱材の断面形状の如何を問わず、実際
に手で触れない断熱容器の上部までも必要以上に厚く仕
上がるという問題がある。また、表面の凹凸によって高
級感のある意匠を持たせることが難しく、また、表面に
印刷された文字、図柄等は非常に見にくくなるという問
題がある。この外観状の問題を解決すべく実開昭４９−
８７４７９号公報、実公平４−４５２１６号公報等にお
いて提案されているライナーあるいは薄紙でさらに外装
する断熱容器は、製造コストがかかりすぎるという問題
があり、また断熱容器の糸尻部が不揃いになり易く、ま
た下から見ると凹凸条あるいはエンボスの断面が見えて
しまうという外観上の問題が残り、さらに、このような
間隙にゴミが入りこんだり、液が浸透したりする衛生的
な問題がある。図５は、実開平４−４５２１２号公報に
提案されている従来の断熱容器４０の断面図である。こ
の断熱容器４０は、底板１２と外向きにカールするトッ
プカール部１３を有する紙カップ本体の胴部側壁１１に
対して、下端に内向きにカールするカール部１６を有す
る筒状体１５を挿嵌し、この両者を上下で接触させて一
体化させたものであって、筒状体１５のカール部１６の
厚みを利用して、断熱空間が形成されている。この断熱
容器４０は、特に断熱材を使用していないので、断熱材
から発生する上述のデメリットは解消されているが、胴
部中央部を実際に手で持った場合に、筒状体１５が、内
方向に撓（たわ）み易く、その結果、空間間隔がなくな
り断熱性が不足するという問題がある。本発明は、前述
の問題点に鑑みてなされたもので、安定した断熱性を有
し、意匠性に優れ、印刷表現の自由度が高く、製造コス
トの安い紙製の断熱容器の提供を目的とする。However, the above-mentioned heat insulating material obtained by winding a corrugated insulating material around the body of the cup body is actually hand-operated irrespective of the cross-sectional shape of the heat insulating material. There is a problem that the upper part of the heat-insulated container that is not touched is finished unnecessarily thick. Further, there is a problem that it is difficult to give a luxurious design due to the unevenness of the surface, and that letters, designs, etc. printed on the surface are very difficult to see. In order to solve the problem of appearance,
JP-A-87479, JP-B-4-45216, and the like suggest that the heat-insulating container further packaged with a liner or thin paper has a problem that the production cost is too high, and that the yarn end of the heat-insulating container tends to be uneven. In addition, there is a problem in appearance that the cross section of the uneven stripes or the emboss is visible when viewed from below, and further, there is a hygienic problem in which dust enters the gaps and liquid penetrates. FIG. 5 is a sectional view of a conventional heat insulating container 40 proposed in Japanese Utility Model Laid-Open No. 4-45212. The heat insulating container 40 has a cylindrical body 15 having a curl portion 16 curled inward at a lower end thereof and a bottom wall 12 and a body side wall 11 of a paper cup body having a top curl portion 13 curled outward. Then, the two are brought into contact with each other vertically to be integrated, and a heat insulating space is formed by utilizing the thickness of the curled portion 16 of the tubular body 15. Since the heat insulating container 40 does not particularly use a heat insulating material, the above-mentioned disadvantages caused by the heat insulating material have been solved. However, when the body central portion is actually held by hand, the cylindrical body 15 is However, there is a problem that the space is easily lost and the heat insulating property is insufficient. The present invention has been made in view of the above-described problems, and has an object to provide a paper heat insulating container having stable heat insulating properties, excellent designability, high degree of freedom in printing expression, and low manufacturing cost. And
【０００４】[0004]
【課題を解決するための手段】前記目的を達成するため
になされた本発明の断熱容器は、内面にポリオレフィン
系樹脂がコートされ、上方開口縁に外向きカール部と胴
部側壁に外方向に突出する水平リブとが形成された有底
の紙カップ本体と、下端部に内向きカール部が形成され
た逆円錐台形状の紙製の筒状体とからなり、該筒状体の
上端部が、前記紙カップ本体の外向きカール部に近い前
記胴部側壁の外周に固定されるとともに、前記筒状体の
内向きカール部内面が、前記紙カップ本体の胴部側壁下
部の外周に固定されるように、前記紙カップ本体と前記
筒状体とが一体的に組み合わされてなることを特徴とす
るものである。また、任意の数の前記水平リブを連続的
あるいは断続的に前記紙カップ本体の胴部側壁を周回さ
せることができる。また、凸条と凹条とが交互に配列し
てなる断熱部材を前記紙カップ本体の側壁上部に周回さ
せてもよい。According to a first aspect of the present invention, there is provided an insulated container having an inner surface coated with a polyolefin resin and an outer curl portion on an upper opening edge and an outer curl portion on a body side wall. It consists of a bottomed paper cup body formed with a protruding horizontal rib, and an inverted truncated cone-shaped paper tubular body formed with an inward curl at the lower end, and the upper end of the tubular body is The paper cup body is fixed to the outer periphery of the body side wall near the outward curl portion, and the inner surface of the inward curl portion of the tubular body is fixed to the outer periphery of the lower part of the body wall of the paper cup body. Further, the paper cup body and the tubular body are integrally combined. Also, an arbitrary number of the horizontal ribs can be continuously or intermittently circulated around the body side wall of the paper cup body. Further, a heat insulating member in which convex and concave stripes are alternately arranged may be circulated around the upper side wall of the paper cup body.
【０００５】[0005]
【発明の実施の形態】本発明を図面を用いて、更に詳し
く説明する。図１は、本発明による断熱容器の構成説明
図である。本発明による断熱容器３０は、図１（ａ）に
示すように、胴部側壁１の上端部に外向きカール部３と
胴部側壁１の途中に水平リブ４を有し、底板２を設けた
有底の板紙からなるカップ本体１０と図１（ｂ）に示す
ように、上下が開放し、下端に内向きカール部６を有す
る逆円錐台形状の筒状体２０とからなり、この両者は、
図１（ｃ）に示すように、筒状体２０の上端部が、カッ
プ本体１０の外向きカール部３近くの胴部側壁外周に糊
付けされて固定されるとともに、前記筒状体２０の下端
部の内向きカール部６内面が、前記紙カップ本体１０の
底部を形成する胴部側壁１の下端の外周に固定され、一
体的に組み合わされて本発明による断熱容器３０が形成
される。カップ本体１０の胴部側壁１に設けられた外方
向に突出する水平リブ４は、カップ本体１０の強度補強
と、断熱空間を形成するために機能し、その数は、一本
でも複数本であってもよい。またその位置は、カップ本
体１０の強度バランスを考慮して適宜に定めればよい
が、そのうちの一本が、図１（ｃ）に示すように、カッ
プ本体に湯を注ぐ際の給湯の適正レベルの指示線、すな
わち熱湯の入れ目線７を兼ねる位置に設けられれば好ま
しい。図１（ｃ）で示す本発明による断熱容器３０は、
図５で示す従来の断熱容器４０と異なり、水平リブ４が
筒状体の側壁５の支点となっているため、手で胴部の中
間を持った場合に、筒状体２０の側壁５の内方向への撓
みを少なくすることができる。これは断熱空間の間隔を
維持することとなり、良好な断熱性を得ることができ
る。本発明による断熱容器３０の断熱空間の間隔は、底
部に向かうほど大きくなり、中間から底部にかけての断
熱性は十分である。しかし、トップの外向きカール部３
に近い部分では断熱性は低下する。これを補うために、
図１（ｄ）に示すような本発明による断熱容器３０の別
の態様も提供可能である。これは、凸条と凹条とが交互
に配列してなる紙製の断熱部材９を紙カップ本体の胴部
側壁１の上部に周回させた断熱容器である。この場合
も、筒状体２０の上端部は断熱部材９を介してカップ本
体の胴部側壁１と外向きカール部３近辺で固定されてい
る。図１（ｃ）と図１（ｄ）に示す本発明による断熱容
器２０の使い分けであるが、例えば、インスタントみそ
汁、インスタントスープ等のように、断熱容器の中間レ
ベルまでしか給湯しない場合には、図１（ｃ）に示すタ
イプが好適であり、カップラーメンのように断熱容器の
トップ部まで給湯する場合には、図１（ｄ）に示すタイ
プの使用が好ましい。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in more detail with reference to the drawings. FIG. 1 is a diagram illustrating the configuration of a heat insulating container according to the present invention. As shown in FIG. 1A, the heat insulating container 30 according to the present invention has an outward curl portion 3 at the upper end of the body side wall 1 and a horizontal rib 4 in the middle of the body side wall 1, and the bottom plate 2 is provided. As shown in FIG. 1 (b), the cup body 10 is made of a paperboard having a bottom and has an inverted frustoconical tubular body 20 which is open up and down and has an inward curl portion 6 at the lower end. Is
As shown in FIG. 1C, the upper end of the tubular body 20 is glued and fixed to the outer periphery of the body side wall near the outward curled portion 3 of the cup body 10 and the lower end of the tubular body 20 is fixed. The inner surface of the inward curl portion 6 is fixed to the outer periphery of the lower end of the body side wall 1 forming the bottom of the paper cup body 10, and is integrally combined to form the heat insulating container 30 according to the present invention. The outwardly protruding horizontal ribs 4 provided on the body side wall 1 of the cup body 10 function to reinforce the strength of the cup body 10 and form a heat insulating space. There may be. In addition, the position may be appropriately determined in consideration of the strength balance of the cup body 10, and one of the positions is, as shown in FIG. 1 (c), appropriate for hot water supply when pouring hot water into the cup body. It is preferable that the line be provided at a position which also serves as a level indicating line, that is, a hot water insertion line 7. The heat insulation container 30 according to the present invention shown in FIG.
Unlike the conventional heat insulating container 40 shown in FIG. 5, the horizontal rib 4 serves as a fulcrum of the side wall 5 of the cylindrical body. Inward bending can be reduced. This maintains the interval between the heat insulating spaces, so that good heat insulating properties can be obtained. The interval between the heat insulating spaces of the heat insulating container 30 according to the present invention becomes larger toward the bottom, and the heat insulating property from the middle to the bottom is sufficient. However, the top outward curling part 3
The heat insulating property decreases in the portion close to. To make up for this,
Another embodiment of the heat insulating container 30 according to the present invention as shown in FIG. 1 (d) can be provided. This is a heat insulating container in which a paper heat insulating member 9 in which convex and concave stripes are alternately arranged is wrapped around the upper part of the body side wall 1 of the paper cup body. Also in this case, the upper end of the cylindrical body 20 is fixed to the body side wall 1 of the cup body and the vicinity of the outward curl portion 3 via the heat insulating member 9. FIG. 1C and FIG. 1D show different uses of the heat insulating container 20 according to the present invention. For example, when hot water is supplied only to an intermediate level of the heat insulating container such as instant miso soup or instant soup, The type shown in FIG. 1C is preferable, and when hot water is supplied to the top of the heat insulating container like a cup ramen, the type shown in FIG. 1D is preferably used.
【０００６】図２は、本発明による断熱容器のカップ本
体の底面図である。図２に示すように、胴部中段に設け
られる水平リブ４は、図２（ａ）に示すように連続的に
胴部側壁１を周回させてもよく、また図２（ｂ）に示す
ように断続して周回させてもよい。水平リブ４の本数が
同じ場合、断続的に周回させた方が、筒状体２０の側壁
５の撓み防止の点で若干劣るものの、断熱空間が拡が
り、また断熱空間が上下に連通して断熱空間全体におけ
る加熱空気の移動が行われ易くなるので、温度上昇が均
質化され、結果として断熱性がよくなる効果がみられ
る。このように水平リブ４を断続させて切り欠き部８を
設ける場合、分割数は、全周に対して４〜８分割であっ
て、切り欠き部８の全周に対して占める比率が３０％以
下であることが好ましい。FIG. 2 is a bottom view of the cup body of the heat insulating container according to the present invention. As shown in FIG. 2, the horizontal ribs 4 provided in the middle of the trunk may continuously rotate around the trunk side wall 1 as shown in FIG. 2A, or as shown in FIG. May be intermittently circulated. When the number of the horizontal ribs 4 is the same, the intermittent rotation is slightly inferior in preventing the side wall 5 of the tubular body 20 from bending, but the heat insulating space is expanded, and the heat insulating space communicates up and down. Since the movement of the heated air in the entire space is easily performed, the temperature rise is homogenized, and as a result, the effect of improving the heat insulating property is obtained. When the notch 8 is provided by intermittently connecting the horizontal ribs 4 as described above, the number of divisions is 4 to 8 with respect to the entire circumference, and the ratio of the notch 8 to the entire circumference is 30%. The following is preferred.
【０００７】図３は、本発明による断熱容器の水平リブ
の断面図である。カップ本体１０に形成される水平リブ
４は、断熱空間を広くするためには図３（ａ）に示すよ
うに、鋭い突起状の方が好ましいが、このような形状に
加工するには、カップ本体１０に使用する板紙の加工適
正が優れていることが前提となる。これに反して、図３
（ｂ）に示すようななだらかな水平リブ４は、板紙を選
ばず、成形法も容易であるが、両側壁１、５の接合面積
が多くなり、また、断熱空間が少なくなるので断熱性が
失われ、好ましくない。従って、図３（ｃ）に示すよう
な断面を有する水平リブ４が、断熱性と加工適正（後述
する）の点から最も好ましい。FIG. 3 is a sectional view of a horizontal rib of the heat insulating container according to the present invention. The horizontal ribs 4 formed on the cup body 10 are preferably in the form of sharp protrusions as shown in FIG. 3A in order to widen the heat insulation space. It is premised that the processing suitability of the paperboard used for the main body 10 is excellent. On the contrary, FIG.
The gentle horizontal ribs 4 as shown in (b) are not limited to paperboard, and the molding method is easy. However, the joint area of the side walls 1 and 5 is increased, and the heat insulating space is reduced. Lost and undesirable. Therefore, the horizontal rib 4 having a cross section as shown in FIG. 3 (c) is most preferable from the viewpoint of heat insulation and proper processing (described later).
【０００８】図４は、本発明による断熱容器における水
平リブレベルの空間説明図である。図４に示すように、
本発明による断熱容器３０の成形において、水平リブ４
は図４（ａ）に示すように筒状体２０の側壁５に接触し
ていてもよく、また図４（ｂ）に示すように接触してい
なくてもよい。寧ろ、接触していない方が給湯調理後、
若干の撓みは有るものの表面温度が低くて持ち易い。こ
れは、接触していない方が断熱空間が大きく、また両側
壁１、５内で空気の対流が上下に起こり易く、熱の分散
が可能なためである。FIG. 4 is a space explanatory view of a horizontal rib level in the heat insulating container according to the present invention. As shown in FIG.
In forming the heat insulating container 30 according to the present invention, the horizontal rib 4
May be in contact with the side wall 5 of the tubular body 20 as shown in FIG. 4A, or may not be in contact as shown in FIG. 4B. Rather, those who are not in contact, after cooking hot water,
Despite some bending, the surface temperature is low and easy to hold. This is because the heat insulation space is larger when there is no contact, and convection of air easily occurs up and down in the side walls 1 and 5, and heat can be dispersed.
【０００９】本発明による断熱容器３０が対象とする内
容積は、満注で２００〜５００ｃｃである。この範囲の
内容積を有する紙カップ本体１０を通常の紙カップ成形
機で成形するには、１６０ｇ／ｍ2 〜３００ｇ／ｍ2 の
坪量のカップ原紙の使用が好ましい。通常、カップ原紙
の内面には、２０〜８０μｍの範囲で熱可塑性樹脂がコ
ートされ、中でも低密度ポリエチレン樹脂、中密度ポリ
エチレン樹脂、高密度ポリエチレン樹脂、線状低密度ポ
リエチレン樹脂等が好適に押出しコートされて使用され
る。この熱可塑性樹脂層は、内容物保護適性の他に、カ
ップ成形性をよくし、蓋材（図示せず）のヒートシール
による封緘性を良好にすると同時に、水平リブ４の成形
性にもよい効果をもたらす。The internal volume targeted by the heat insulating container 30 according to the present invention is 200 to 500 cc when fully filled. To mold the paper cup body 10 having an internal volume in this range in a conventional paper cup forming machine, the use of the basis weight of the cup base paper of 160g / m 2 ~300g / m 2 is preferred. Normally, the inner surface of the cup base paper is coated with a thermoplastic resin in the range of 20 to 80 μm, and among them, low density polyethylene resin, medium density polyethylene resin, high density polyethylene resin, linear low density polyethylene resin, etc. are preferably extrusion coated. Being used. This thermoplastic resin layer, in addition to the suitability for protecting the contents, improves the moldability of the cup, improves the sealing property of the lid material (not shown) by heat sealing, and also enhances the moldability of the horizontal rib 4. Bring effect.
【００１０】筒状体２０に使用する板紙は、印刷適性と
同時にカールの成形性が要求され、坪量２３０ｇ／ｍ2
〜３５０ｇ／ｍ2 のコートボール紙、あるいは１６０ｇ
／ｍ2 〜２５０ｇ／ｍ2 のカード紙が好適に使用でき
る。坪量が、この限度未満であると筒状体２０の剛性が
低くなりすぎて、特に高熱時に撓みが大きくなりすぎて
十分な断熱性を失い、またこの限度を越えると、剛性は
高くなるが、内向きカール部６の加工適正が悪化し、材
料コストも高くなるので好ましくない。筒状体２０の素
材をさらに樹脂コートあるいは樹脂含浸処理等を行うこ
とによって、本発明による断熱容器３０全体の剛性、耐
圧縮性、耐圧潰性等を高め、物流時に加わる外的な力か
ら内容物を保護するように機能させることができる。ま
た、このように、断熱容器全体に安定した断熱性だけで
なく、剛性を持たせて変形しにくくしたものは、熱湯を
注いでそのまま手に持って食べる場合の食器としての安
全性、信頼性を高めるものであって、特に高齢者や、身
体障害者、子供にとっては重要な要素であり、バリアー
フリー商品には欠かせない要素である。本発明による断
熱容器は、紙製であって、分別廃棄の必要はなく、廃棄
処理性が良好で、また、剛度はあるといっても、手で押
し潰せば容易に潰れる程度のものであり、廃棄にあたっ
ての減容化は容易である。従って、断熱材に発泡性プラ
スチックを使用している他の断熱容器に較べれば、極め
て環境負荷の小さなものである。The paperboard used for the tubular body 20 is required to have curability and formability simultaneously with printability, and has a basis weight of 230 g / m 2.
~ 350 g / m 2 coated cardboard or 160 g
/ M 2 to 250 g / m 2 card paper can be suitably used. If the grammage is less than this limit, the rigidity of the tubular body 20 becomes too low, and the deflection becomes too large, particularly at high heat, to lose sufficient heat insulating properties. However, it is not preferable because the processing suitability of the inward curl portion 6 is deteriorated and the material cost is increased. The material of the cylindrical body 20 is further subjected to a resin coating or a resin impregnating treatment to enhance the rigidity, compression resistance, crush resistance and the like of the entire heat insulating container 30 according to the present invention, and to reduce the content from the external force applied during distribution. It can function to protect things. In addition, as described above, not only the stable insulation properties of the entire heat insulation container but also the rigidity that makes it hard to deform is the safety and reliability of tableware when pouring hot water and eating it with your hands as it is This is an important factor especially for the elderly, disabled and children, and is an essential factor for barrier-free products. The heat-insulating container according to the present invention is made of paper, does not need to be discarded separately, has a good disposal property, and has a rigidity, but can be easily crushed by crushing by hand. In addition, volume reduction upon disposal is easy. Therefore, compared to other heat insulating containers using foamable plastic as the heat insulating material, they have a very small environmental load.
【００１１】さらに、本発明による断熱容器３０は、胴
壁に凹凸がなく表面は、あくまでスムーズであり、ま
た、筒状体２０の内向きカール部６は、容器の底部にあ
って適度なアールを形成しているのでカップ状容器とし
て意匠性に優れている。また内向きカール部６は、カッ
プ本体１０と筒状体２０の両側壁１、５の間隙を底部に
おいて埋め、ゴミや異物の胴部への侵入、あるいは板紙
端面からの液の吸収を防止し、本発明による断熱容器３
０を衛生的に保つことができる。さらに、この筒状体２
０は、印刷の自由度が高く、オフセット、グラビア、フ
レキソ等の公知の印刷のみならず、各種オーバーコーテ
ィング、箔押し、エンボッシング等の印刷後加工も自由
に施すことができるので、前述のスムーズな表面と相ま
って優れた美粧効果を発揮することができる。さらにま
た、筒状体２０の側壁面や内向きカール部６の表面はＯ
Ｐニス等のオーバーコーティング層によって濡れにく
く、汚れにくくすることができる。Furthermore, the heat insulating container 30 according to the present invention has no irregularities on the body wall and has only a smooth surface, and the inward curl portion 6 of the tubular body 20 has an appropriate radius at the bottom of the container. Is excellent in design as a cup-shaped container. The inward curl portion 6 fills the gap between the side walls 1 and 5 of the cup body 10 and the tubular body 20 at the bottom at the bottom, thereby preventing dust and foreign matter from entering the body or absorbing liquid from the end face of the paperboard. Insulated container 3 according to the present invention
0 can be kept hygienic. Further, the cylindrical body 2
0 has a high degree of freedom in printing, and can perform not only known printing such as offset, gravure, flexo, etc., but also post-printing processing such as various overcoating, foil stamping, embossing, etc. In combination with this, an excellent cosmetic effect can be exhibited. Furthermore, the side wall surface of the cylindrical body 20 and the surface of the inward curl portion 6 are O
An overcoating layer such as P varnish makes it difficult to wet and stain.
【００１２】次に、本発明による断熱容器３０の製造方
法について説明する。先ず、紙カップ成形機によって、
扇状のブランクから円錐台形状の筒状体を成形し、底板
２を供給しながらこれを巻き締めして底部を成形し、上
部開放端部に外向きカール３を成形し、次いで、水平リ
ブ４を成形してカップ本体１０を製造しておく。水平リ
ブ４の加工方法はカップ成形機インラインあるいはオフ
ラインで行うことができる。すなわち成形済みの紙カッ
プ本体１０を予め水平リブ相当部分が溝状に切削されて
いるキャビティに嵌め込み、回転させながら、溝部にお
いてカップ内側から回転ローラーをエキスパンダーで外
側に向かって強く押し当てれば、外側に突出する水平リ
ブを形成することができる。その場合に、全周にわたっ
て回転ローラーを押し当てれば、図２（ａ）に示す連続
的な水平リブが得られ、また円周上の分割された部分の
みに押し当てれば、図２（ｂ）に示すような断続的な水
平リブ４を形成することができる。この場合、最後にキ
ャビティから加工されたカップ本体１０を引き抜かねば
ならないが、図３（ｃ）に示すような上側斜面がなだら
かになっている水平リブ４の方が図３（ａ）のようなシ
ャープなものよりも引き抜き易く作業性の点で勝ってい
る。また、水平リブ４の形成は、雄雌型を使用した絞り
加工によっても可能である。Next, a method of manufacturing the heat insulating container 30 according to the present invention will be described. First, by a paper cup molding machine,
A cylindrical body having a truncated cone shape is formed from the fan-shaped blank, and the bottom plate 2 is supplied and tightened to form a bottom portion, and an outward curl 3 is formed at the upper open end. Is formed to manufacture the cup body 10 in advance. The processing method of the horizontal rib 4 can be performed in a cup molding machine inline or off-line. That is, the molded paper cup body 10 is previously fitted into a cavity in which a portion corresponding to a horizontal rib is cut in a groove shape, and while rotating, the rotating roller is strongly pressed outward from the inside of the cup with an expander in the groove portion, so that the outer side is rotated. Protruding horizontal ribs can be formed. In this case, if the rotating roller is pressed all over the circumference, a continuous horizontal rib shown in FIG. 2A is obtained, and if the rotary roller is pressed only on the divided portion on the circumference, FIG. The intermittent horizontal rib 4 as shown in FIG. In this case, the cup body 10 processed at the end must be pulled out from the cavity. However, the horizontal rib 4 having a gentle upper slope as shown in FIG. 3 (c) is better as shown in FIG. 3 (a). It is easier to pull out than a sharp one, and it excels in workability. The horizontal ribs 4 can also be formed by drawing using male and female molds.
【００１３】一方、筒状体２０は、カード系、コートボ
ール系等の枚葉あるいは巻取紙に絵柄、ロゴ、文字等を
印刷し、打ち抜いて扇状のブランクとし、これをカップ
成形機によって、逆円錐台形状に胴貼りし、次いで、そ
の底部を内向きにカールして製造される。最終的に、こ
の筒状体２０をカップ本体１０に被せて互いの上下端同
志で糊付けし、固定すれば完成する。下部の糊付けは場
合によっては省くことができる。完成した本発明による
断熱容器３０はスタッキング性があり、重ねた状態でユ
ーザーに供給が可能である。On the other hand, the cylindrical body 20 is formed by printing a picture, a logo, characters, etc. on a sheet or rolled paper of card type, court ball type, etc., and punching it out to form a fan-shaped blank, which is inverted cone-shaped by a cup molding machine. It is manufactured by sticking the body in a trapezoid shape and then curling the bottom inward. Finally, the tubular body 20 is put on the cup body 10, glued together at the upper and lower ends of each other, and fixed to complete. The lower gluing can be omitted in some cases. The completed heat insulating container 30 according to the present invention has a stacking property, and can be supplied to the user in a stacked state.
【００１４】[0014]
【実施例】本発明による断熱容器３０の実施例サンプル
を次の仕様によって作成した。 カップ本体１０の仕様 内容量 ； ４００ｃｃ （満注時） 胴部上端部内径 ； ８８ｍｍ 底部外径 ； ６６ｍｍ 高さ ； ９０ｍｍ 素材構成 ； ポリエチレン２０μｍ／カップ原紙２８０ｇ／ｍ2 水平リブの本数 ； ２本 筒状体２０の仕様 内向きカール部内径； ６６ｍｍ 内向きカール部厚み； ２．５ｍｍ 上端部内径 ； ８９ｍｍ 高さ ； ８８．５ｍｍ 素材構成 ； ＯＰニス層／印刷層／コートボール２３０ｇ／ｍ2 以上のカップ本体１０と筒状体２０をそれぞれの上下端
同志でアクリル系エマルジョンタイプの接着剤によって
接着して一体化した。また、上記の条件と総て同じであ
るが、水平リブ４の加工が施されていない図５に示すよ
うな断熱容器４０を比較例サンプルとして作成した。以
上の各サンプルに９５°Ｃの熱湯を、入れ目線まで２４
０ｃｃ注入し，２〜３分後に胴部中段を手で持って官能
的に外部表面温度を比較したところ、実施例サンプルの
方が比較例サンプルより断熱性に優れ、持ち易いことが
わかった。また実施例サンプルの場合がしっかり持って
もさほど熱さは変わらなかったが、比較例サンプルの場
合はしっかり持つほど熱さが強くなった。EXAMPLE An example of an insulated container 30 according to the present invention was prepared according to the following specifications. Specifications of cup body 10 Contents: 400 cc (at full filling) Body upper end inner diameter: 88 mm Bottom outer diameter: 66 mm Height: 90 mm Material composition: Polyethylene 20 μm / cup base paper 280 g / m 2 Number of horizontal ribs; 2 tubes Specification of shape 20 Inner curl inner diameter; 66 mm Inward curl thickness; 2.5 mm Upper end inner diameter; 89 mm Height: 88.5 mm Material composition: OP varnish layer / print layer / coated ball 230 g / m 2 or more The cup body 10 and the cylindrical body 20 were bonded together at the upper and lower ends thereof with an acrylic emulsion type adhesive. Further, a heat insulating container 40 as shown in FIG. 5, which was the same as the above conditions but was not processed with the horizontal ribs 4, was prepared as a comparative example sample. Hot water of 95 ° C is applied to each of the above samples for 24
After injection of 0 cc, and after 2 to 3 minutes, the middle surface of the body portion was hand-held and functionally compared with the external surface temperature. As a result, it was found that the sample of the example had better heat insulation and was easier to hold than the sample of the comparative example. In addition, even if the sample of the example was firmly held, the heat did not change much, but in the case of the sample of the comparative example, the heat became stronger as the sample was firmly held.
【００１５】[0015]
【発明の効果】本発明によれば、安定した断熱性があ
り、表面がスムーズで高級感のある外観と、印刷の自由
度のある意匠性に優れた紙製の断熱容器を提供できる。
また、容器全体に剛性が高く、変形が少ないので持ちや
すく熱湯を注入して調理する容器としての安全性を高め
ることができる。さらに、材料コスト面、製造面でコス
トの上昇を抑えることができ、経済コストで提供でき
る。さらにまた、本発明による断熱容器は、紙製であっ
て、分別廃棄の必要はなく、減容化が容易であるので廃
棄処理性が良好であり、また、リサイクルも可能である
ので、環境負荷の低減に貢献することができる。According to the present invention, it is possible to provide a heat insulating container made of paper having stable heat insulating properties, a smooth surface, a high-grade appearance, and a degree of freedom in printing and excellent in design.
In addition, since the entire container has high rigidity and little deformation, it is easy to hold and the safety as a container in which hot water is poured and cooked can be enhanced. Further, it is possible to suppress an increase in cost in terms of material cost and manufacturing, and to provide the apparatus at economic cost. Furthermore, the insulated container according to the present invention is made of paper, does not need to be discarded separately, is easy to reduce in volume, has good disposal treatment properties, and is recyclable. Can be reduced.
【図１】本発明による断熱容器の構成説明図FIG. 1 is a structural explanatory view of a heat insulating container according to the present invention.
【図２】本発明による断熱容器のカップ本体の底面図FIG. 2 is a bottom view of the cup body of the heat insulating container according to the present invention.
【図３】本発明による断熱容器の水平リブの断面図FIG. 3 is a cross-sectional view of a horizontal rib of the heat insulating container according to the present invention.
【図４】本発明による断熱容器における水平リブレベル
の空間説明図FIG. 4 is a space explanatory view of a horizontal rib level in the heat insulating container according to the present invention.
【図５】従来の断熱容器の断面図FIG. 5 is a sectional view of a conventional heat insulating container.
１ カップ本体の胴部側壁 ２ 底板 ３ 外向きカール部 ４ 水平リブ ５ 筒状体の側壁 ６ 内向きカール部 ７ 熱湯の入れ目線 ８ 切り欠き部 ９ 断熱部材 １０ カップ本体 ２０ 筒状体 ３０ 本発明による断熱容器 ４０ 従来の断熱容器 DESCRIPTION OF SYMBOLS 1 Body side wall of cup main body 2 Bottom plate 3 Outward curl part 4 Horizontal rib 5 Side wall of cylindrical body 6 Inward curl part 7 Eye line of hot water 8 Notch part 9 Heat insulating member 10 Cup main body 20 Cylindrical body 30 Insulated container by 40 40 Conventional insulated container
Claims (5)
れ、上方開口縁に外向きカール部と胴部側壁に外方向に
突出する水平リブとが形成された有底の紙カップ本体
と、下端部に内向きカール部が形成された逆円錐台形状
の紙製の筒状体とからなり、該筒状体の上端部が、前記
紙カップ本体の外向きカール部に近い前記胴部側壁の外
周に固定されるとともに、前記筒状体の内向きカール部
内面が、前記紙カップ本体の胴部側壁下部の外周に固定
されるように、前記紙カップ本体と前記筒状体とが一体
的に組み合わされてなることを特徴とする断熱容器。1. A bottomed paper cup body having an inner surface coated with a polyolefin resin, an outwardly curled portion formed on an upper opening edge, and a horizontal rib protruding outwardly on a body side wall, and an inner portion formed on a lower end portion. The paper curl portion is formed of an inverted truncated cone-shaped paper cylinder having an upper end portion fixed to the outer periphery of the body portion side wall near the outward curl portion of the paper cup body. The paper cup body and the tubular body are integrally combined so that the inner surface of the inward curl portion of the tubular body is fixed to the outer periphery of the lower part of the body side wall of the paper cup body. A heat insulating container characterized by the above-mentioned.
とを特徴とする請求項１記載の断熱容器2. The heat insulating container according to claim 1, wherein a plurality of said horizontal ribs are provided.
側壁を連続して周回するように設けられていることを特
徴とする請求項１記載の断熱容器。3. The heat insulation container according to claim 1, wherein the horizontal rib is provided so as to continuously circumnavigate the body side wall of the paper cup body.
側壁を断続して周回するように設けられていることを特
徴とする請求項１又は２記載の断熱容器。4. The heat insulating container according to claim 1, wherein the horizontal rib is provided so as to intermittently circumvent the body side wall of the paper cup body.
筒状体との間に凸条と凹条とが交互に配列してなる断熱
部材が設けられていることを特徴とする請求項１乃至４
のいずれかに記載の断熱容器。5. A heat insulating member in which ridges and ridges are alternately arranged between an upper portion of a body side wall of the paper cup main body and the cylindrical body. To 4
A heat-insulating container according to any one of the above.
Priority Applications (31)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10011999A JPH11130157A (en) | 1997-08-28 | 1998-01-07 | Heat-insulating container |
| CN2006101006439A CN1915660B (en) | 1997-08-28 | 1998-08-27 | Producing apparatus and the heat-insulating container |
| TW087114168A TW382000B (en) | 1997-08-28 | 1998-08-27 | Heat-insulating container, and heat-insulating container producing apparatus, sleeve forming apparatus, assembling apparatus and rib-processing apparatus used in producing the heat-insulating containr, and rib forming process used therefor |
| KR1020077004466A KR100842145B1 (en) | 1997-08-28 | 1998-08-27 | Heat-insulating container |
| DE69823157T DE69823157T2 (en) | 1997-08-28 | 1998-08-27 | HEAT-INSULATING CONTAINER |
| BR9806126-7A BR9806126A (en) | 1997-08-28 | 1998-08-27 | Thermally insulating container, production and assembly apparatus for combining a glove on an outer periphery of a cup, glove forming and rib processing to process a rib on a side wall of a cup body, and process for forming a rib on a side wall of a glass body |
| CA2632546A CA2632546C (en) | 1997-08-28 | 1998-08-27 | Heat-insulating container and apparatus for producing the same |
| CN98801208A CN1095793C (en) | 1997-08-28 | 1998-08-27 | Heat-insulating container and apparatus for producing same |
| CA2672667A CA2672667C (en) | 1997-08-28 | 1998-08-27 | Heat-insulating container and apparatus for producing the same |
| CNB2006101006443A CN100551784C (en) | 1997-08-28 | 1998-08-27 | Thermally insulated container and manufacturing installation thereof |
| CA2672552A CA2672552C (en) | 1997-08-28 | 1998-08-27 | Heat-insulating container and apparatus for producing the same |
| EP04003241A EP1479512A3 (en) | 1997-08-28 | 1998-08-27 | Producing apparatus for producing heat-insulating container |
| EP98940578A EP0934202B1 (en) | 1997-08-28 | 1998-08-27 | Heat-insulating container |
| PT98940578T PT934202E (en) | 1997-08-28 | 1998-08-27 | THERMALLY ISOLATED CONTAINER AND APPARATUS FOR THE PRODUCTION OF THE SAME |
| CA002267361A CA2267361C (en) | 1997-08-28 | 1998-08-27 | Heat-insulating container and apparatus for producing the same |
| KR1020007013825A KR100576190B1 (en) | 1997-08-28 | 1998-08-27 | Apparatus and method for producing heat-insulating container |
| PCT/JP1998/003814 WO1999011526A1 (en) | 1997-08-28 | 1998-08-27 | Heat-insulating container and apparatus for producing the same |
| US09/269,594 US6663926B1 (en) | 1997-08-28 | 1998-08-27 | Heat-insulating container and apparatus for producing the same |
| KR1020007013824A KR100729684B1 (en) | 1997-08-28 | 1998-08-27 | Heat-insulating container |
| CNB2004101000503A CN100396478C (en) | 1997-08-28 | 1998-08-27 | Heat-insulating container and apparatus for producing the same |
| ES98940578T ES2219898T3 (en) | 1997-08-28 | 1998-08-27 | TERMOAISLANTE CONTAINER. |
| IDP981178A ID21043A (en) | 1997-08-28 | 1998-08-28 | CONTAINERS OF HEAT RESERVES AND EQUIPMENT TO MAKE IT |
| FI990654A FI990654A (en) | 1997-08-28 | 1999-03-24 | Heat insulating tank and device for its manufacture |
| NO19991934A NO325712B1 (en) | 1997-08-28 | 1999-04-23 | Heat insulating container |
| KR1019997003699A KR100306359B1 (en) | 1997-08-28 | 1999-04-28 | Heat-insulating container |
| CNB021199264A CN1204021C (en) | 1997-08-28 | 2002-05-16 | Themal insulation container and its making device |
| US10/694,140 US7175585B2 (en) | 1997-08-28 | 2003-10-27 | Heat-insulating container and apparatus for producing the same |
| US11/641,997 US7618359B2 (en) | 1997-08-28 | 2006-12-19 | Heat-insulating container and apparatus for producing the same |
| HK07107247.9A HK1103286A1 (en) | 1997-08-28 | 2007-07-06 | Heat-insulating container and apparatus for producing the same |
| HK07107246.0A HK1103289A1 (en) | 1997-08-28 | 2007-07-06 | Heat-insulating container and apparatus for producing the same |
| NO20081505A NO20081505L (en) | 1997-08-28 | 2008-03-27 | Production apparatus for the manufacture of heat insulating container |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24596697 | 1997-08-28 | ||
| JP9-245966 | 1997-08-28 | ||
| JP10011999A JPH11130157A (en) | 1997-08-28 | 1998-01-07 | Heat-insulating container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11130157A true JPH11130157A (en) | 1999-05-18 |
Family
ID=26347533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10011999A Pending JPH11130157A (en) | 1997-08-28 | 1998-01-07 | Heat-insulating container |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11130157A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001097355A (en) * | 1999-07-28 | 2001-04-10 | Jujo Central Kk | Thermal insulating cup |
| KR100608162B1 (en) | 2005-12-20 | 2006-08-02 | 철 양 | Paper vessel with a double layer extended edge |
| JP2008174245A (en) * | 2007-01-16 | 2008-07-31 | Dainippon Printing Co Ltd | Heat insulating container |
| JP2008174287A (en) * | 2007-01-19 | 2008-07-31 | Dainippon Printing Co Ltd | Heat insulating container |
-
1998
- 1998-01-07 JP JP10011999A patent/JPH11130157A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001097355A (en) * | 1999-07-28 | 2001-04-10 | Jujo Central Kk | Thermal insulating cup |
| JP4693075B2 (en) * | 1999-07-28 | 2011-06-01 | 日本紙パック株式会社 | Insulation cup |
| KR100608162B1 (en) | 2005-12-20 | 2006-08-02 | 철 양 | Paper vessel with a double layer extended edge |
| JP2008174245A (en) * | 2007-01-16 | 2008-07-31 | Dainippon Printing Co Ltd | Heat insulating container |
| JP2008174287A (en) * | 2007-01-19 | 2008-07-31 | Dainippon Printing Co Ltd | Heat insulating container |
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