JP4853098B2 - Paper cup with uneven shape - Google Patents
Paper cup with uneven shape Download PDFInfo
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- JP4853098B2 JP4853098B2 JP2006130051A JP2006130051A JP4853098B2 JP 4853098 B2 JP4853098 B2 JP 4853098B2 JP 2006130051 A JP2006130051 A JP 2006130051A JP 2006130051 A JP2006130051 A JP 2006130051A JP 4853098 B2 JP4853098 B2 JP 4853098B2
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Description
本発明は、凹凸形状が設けられた紙カップに関するものであり、特には、胴部に紙カップの成形と同時に凹凸形状の付与が可能な凹凸形状が設けられた紙カップに関する。 The present invention relates to a paper cup provided with a concavo-convex shape, and in particular, relates to a paper cup provided with a concavo-convex shape capable of being provided with a concavo-convex shape at the same time as forming the paper cup.
紙カップの成形には、一般的には、胴部材ブランクを胴部材ロールから打ち抜くと同時にカップ成形まで行うロールフィード方式のカップ成形機を用いて作製する方法と、胴部材シートあるいは胴部材ロールからあらかじめ打ち抜いておいた胴部材ブランクを使用してカップ成形を行うブランクフィード式のカップ成形機を用いて作製する方法とがある。 For forming a paper cup, generally, a body member blank is punched from a body member roll, and at the same time a cup is formed using a roll-feed type cup forming machine, and a body member sheet or body member roll is used in advance. There is a method of manufacturing using a blank-feed type cup molding machine that performs cup molding using a blank blank that has been punched.
そして、紙カップは、例えば図４に示すように、扇形状の胴部材ブランク（１０ａ）の一方の端縁（１０ｂ）をもう一方の端縁（１０ｃ）に重ね合わせて胴部貼り合わせ部（１１）を形成させて下方に向かって先細る円筒形状の胴部材（１２）とする胴部材形成工程（ａ）、別に底部材用ロール（１３）からほぼ円形状に打ち抜かれた底部材ブランク（１３ａ）を周縁部（１４）を下向きに起立させて底部材（１５）とする底部材形成工程（ｂ）、胴部材の下部内面に底部材の周縁部の内面を接合させる接合工程（ｃ）、さらに底部材の周縁部を覆うように前記胴部材の下端縁部を内方に折り曲げて折り曲げ部（１６）を形成させ、該折り曲げ部（１６）を底部材の周縁部の外面に接合させて環状脚部（１７）を形成させる環状脚部形成工程（ｄ）、最後に胴部材の上部周縁を外方または内方に向けて巻き込み、口縁部（１８）を形成させる口縁部形成工程（ｅ）の各工程を経て、胴部材と底部材を有する紙カップ（２０）を作製している。 Then, for example, as shown in FIG. 4, the paper cup is formed by superposing one end edge (10b) of the fan-shaped body member blank (10a) on the other end edge (10c) (11). ) To form a cylindrical body member (12) that tapers downward, and a bottom member blank (13a) punched into a substantially circular shape separately from the bottom member roll (13). ) In the bottom member forming step (b) in which the peripheral edge portion (14) is erected downward, and the inner surface of the peripheral edge portion of the bottom member is bonded to the lower inner surface of the body member (c), Further, the lower end edge of the body member is folded inward so as to cover the peripheral edge of the bottom member to form a bent portion (16), and the bent portion (16) is joined to the outer surface of the peripheral edge of the bottom member. Annular leg forming step for forming the annular leg (17) d) Finally, the upper peripheral edge of the body member is wound outward or inward, and the body member and the bottom member are joined through each step of the mouth edge forming step (e) for forming the mouth edge (18). The paper cup (20) which has is produced.
ところで紙カップにおいては、商品を店舗で陳列する時の見た目に新しさを付与したり、購入者に対して商品を手に取る時の指触りに新しさを感じさせる等の目的で、あるいは体裁や手触りを金属缶と差別化する等の目的で、従来から紙カップの胴部材の外表面が凹凸形状を呈するようなエンボス加工部を設けることが検討されてきた（例えば、特許文献１、特許文献２参照）。 By the way, in the case of paper cups, for the purpose of giving newness to the appearance when products are displayed in stores, making the purchaser feel the freshness when picking up products, For the purpose of differentiating the touch from a metal can, it has been conventionally considered to provide an embossed portion in which the outer surface of the body member of the paper cup has an uneven shape (for example, Patent Document 1 and Patent Document 2). reference).
上記先行技術文献を示す。
しかしエンボス加工部を設けた紙カップは、ａ．エンボスを設け、カップ形状に切り取る際に紙粉が出ていた。ｂ．内側に接着された紙端から内容物が浸食して衛生的に問題があり、接着が弱くなりカップが壊れるなどした。ｃ．上部の口縁部（蓋接着部）に段差が生じて蓋との接着性が下がったり、段差で生じた隙間からごみ等がカップ内に入り生産的に問題が生じた。ｄ．トップカール部、ボトムカール部は折り返されるので厚みが厚くなり成形性が悪くなる。等の問題があった。 However, the paper cup provided with the embossed part is a. When the embossing was provided and cut into a cup shape, paper dust was coming out. b. The contents eroded from the edge of the paper bonded to the inside, and there were problems with hygiene. The bond was weakened and the cup was broken. c. There was a step in the upper lip (lid adhering portion), resulting in a decrease in adhesion to the lid, and dust or the like entered the cup through the gap generated by the step, resulting in a productive problem. d. Since the top curl portion and the bottom curl portion are folded, the thickness is increased and the moldability is deteriorated. There was a problem such as.
本発明は、凹凸形状が設けられた紙カップに関する以上のような問題に鑑みてなされたもので、紙粉の発生量や成形不良が少なく、蓋材との密封性の高いロールフィード方式の紙カップ成形機を用いて凹凸形状を同時に設けた、凹凸形状が設けられた紙カップを提供することを課題とする。 The present invention has been made in view of the above-described problems relating to a paper cup provided with a concavo-convex shape, and has a reduced amount of paper dust and molding defects, and is a roll-feed type paper cup molding that has high sealing performance with a lid. It is an object of the present invention to provide a paper cup provided with a concavo-convex shape provided with a concavo-convex shape using a machine.
本発明の請求項１の発明は、胴部材ロールから胴部材ブランクを打ち抜くと同時に、紙カップ成形まで行うロールフィード方式のカップ成形機を用いて作製される胴部材と底部材とからなる紙カップであって、
前記カップ成形機には、ロール供給部と胴部材ブランク打ち抜き部の間にエンボスロールが具備された凹凸形状形成部が設けられ、該凹凸形状形成部では、打ち抜かれる胴部材ブランクの形状に合わせて、胴部材ブランクの周縁にのみ凹凸形状が形成されることを特徴とする凹凸形状が設けられた紙カップである。
The invention of claim 1 of the present invention is a paper cup composed of a barrel member and a bottom member produced by using a roll-feed type cup molding machine that punches a barrel member blank from a barrel member roll and at the same time forms a paper cup. And
The cup molding machine is provided with an uneven shape forming portion provided with an embossing roll between a roll supply portion and a body member blank punching portion, and the uneven shape forming portion is adapted to the shape of the body member blank to be punched. A paper cup provided with an uneven shape, wherein the uneven shape is formed only on the periphery of the body member blank.
このように請求項１記載の発明によれば、胴部材用ロールから胴部材ブランクを打ち抜くと同時に紙カップ成形まで行うロールフィード方式のカップ成形機を用いて作製される胴部材と底部材とからなる紙カップであって、前記カップ成形機には、ロール供給部と胴部材ブランク打ち抜き部の間にエンボスロールが具備された凹凸形状形成部が設けられ、
該凹凸形状形成部では、打ち抜かれる胴部材ブランクの形状に合わせて、胴部材ブランクの周縁にのみ凹凸形状が形成されるので、この周縁は紙密度が上がって、カッティングダイで打ち抜いた時の紙粉を大幅に減らすことができ、切断面も鋭利で綺麗になる。
As described above, according to the invention described in claim 1, the body member is formed by using a roll-feed type cup forming machine that punches out a body member blank from a body member roll and at the same time forms a paper cup. The cup-forming machine is provided with an uneven shape forming part provided with an embossing roll between the roll supply part and the body member blank punching part,
The concave-convex shape forming unit, in accordance with the shape of the body member blanks are punched, since the irregularities only in the periphery of the body member blanks are formed, when the peripheral edge up paper density, punched in the cutting die paper The powder can be greatly reduced, and the cut surface is sharp and clean .
このように本発明によれば、凹凸形状の付与と、紙カップ成形を同時に行うことができるロールフィード方式の紙カップ成形機を用いて、紙粉の発生量や成形不良が少なく、蓋材との密封性の高い、凹凸形状が設けられた紙カップを作製することができる。すなわち、折り曲げたり、絞ったり、圧力を加える部分にあらかじめ凹凸形状を付けておくことにより、ブランクは折り曲げやすく、絞りやすくなって、無理のないカップ成形を行うことができる。 As described above, according to the present invention, by using a roll-feed type paper cup molding machine capable of simultaneously forming an uneven shape and forming a paper cup, the amount of paper dust generated and molding defects are small, and sealing with a lid material is performed. It is possible to produce a paper cup having a highly concavo-convex shape. In other words, the blank is easy to bend and squeeze easily by bending, squeezing, or applying a concavo-convex shape to the portion to which pressure is applied.
本発明を一実施形態に基づいて以下に詳細に説明する。
本発明の凹凸形状が設けられた紙カップは、例えば、図１、図２に示すように、胴部材用ロール（１０）から胴部材ブランク（１０ａ）を打ち抜くと同時にカップ成形まで行うロールフィード方式のカップ成形機を用いて作製される胴部材（１２）と底部材（１５）とからなる紙カップ（２０）である。
The present invention will be described in detail below based on one embodiment.
The paper cup provided with the concavo-convex shape of the present invention is, for example, as shown in FIGS. 1 and 2, a roll feed method in which the body member blank (10 a) is punched from the body member roll (10) and at the same time the cup is formed. It is a paper cup (20) which consists of a trunk | drum member (12) and bottom member (15) produced using a cup molding machine.
そしてカップ成形機には、ロール供給部（図示せず）と胴部材ブランク打ち抜き部（図示せず）の間にエンボスロールが具備された凹凸形状形成部（図示せず）が設けられ、該凹凸形状形成部では、打ち抜かれる胴部材ブランクの形状に合わせて、胴部材ブランク（１０ａ）に凹凸形状（３０）が形成されることを特徴とする凹凸形状が設けられた紙カップ（２０）である。 The cup molding machine is provided with an uneven shape forming part (not shown) provided with an embossing roll between a roll supply part (not shown) and a body member blank punching part (not shown). The shape forming part is a paper cup (20) provided with an uneven shape, wherein an uneven shape (30) is formed on the body member blank (10a) in accordance with the shape of the body member blank to be punched.
そして胴部材ブランクに設けられる凹凸形状（３０）は、図３に示されているように、胴部材ブランクの端縁に設けたり（図３（ａ）参照）、胴部材ブランクの重ねられる方の端縁にのみ設けたり（図３（ｂ）参照）、胴部材ブランクの天部の口縁部が形成される上側の両端の隅角にのみ設けたり（図３（ｃ）参照）、あるいは、胴部材ブランクの天部周縁と底部周縁にのみ設けたり（図３（ｄ）参照）することができる。 And the uneven | corrugated shape (30) provided in a trunk | drum member blank is provided in the edge of a trunk | drum member blank (refer Fig.3 (a)), as shown in FIG. Provided only at the edge (see FIG. 3B), provided only at the upper corners where the top edge of the body member blank is formed (see FIG. 3C), or It can be provided only on the top edge and bottom edge of the trunk member blank (see FIG. 3D).
凹凸形状を胴部材ブランクの重ねられる方の端縁にのみ設けることにより、胴部材ブランクの端縁にエッジプロテクト加工をしなくても、蓋材と密封シールをした時ある程度の密封性を上げることができる。 By providing an uneven shape only on the edge of the body member blank that is to be overlaid, it will improve the sealing performance to some extent when sealing the lid with the cover material without edge protection on the edge of the body member blank. Can do.
凹凸形状を胴部材ブランクの天部の口縁部が形成される上側の両端の隅角にのみ設けることにより、口縁部を押しつぶして形成されるフランジの段差をなくすることができる。 By providing the concavo-convex shape only at the corners of the upper end where the top edge of the body member blank is formed, the step of the flange formed by crushing the edge can be eliminated.
凹凸形状を胴部材ブランクの天部周縁と底部周縁にのみ設けることにより、凹凸模様が紙カップを成形する際の口縁部形成、底部折り曲げのくせ付けとして機能してカップ成形時の成形不良を低減することができる。 By providing concave and convex shapes only on the top and bottom edges of the body blank, the concave and convex pattern functions as a lip formation when forming a paper cup and as a crease for bending the bottom, reducing molding defects during cup molding. can do.
１０‥‥胴部材用ロール
１０ａ‥胴部材ブランク
１０ｂ‥一方の端縁
１０ｃ‥もう一方の端縁
１１‥‥胴部貼り合わせ部
１２‥‥胴部材
１３‥‥底部材用ロール
１３ａ‥底部材ブランク
１４‥‥周縁部
１５‥‥底部材
１６‥‥折り曲げ部
１７‥‥環状脚部
１８‥‥口縁部
２０‥‥紙カップ
３０‥‥凹凸形状形成部分
DESCRIPTION OF
Claims (1)
前記カップ成形機には、ロール供給部と胴部材ブランク打ち抜き部の間にエンボスロールが具備された凹凸形状形成部が設けられ、該凹凸形状形成部では、打ち抜かれる胴部材ブランクの形状に合わせて、胴部材ブランクの周縁にのみ凹凸形状が形成されることを特徴とする凹凸形状が設けられた紙カップ。 A paper cup consisting of a body member and a bottom member produced using a roll-feed type cup forming machine that punches out a body member blank from a body member roll and simultaneously performs paper cup molding,
The cup molding machine is provided with an uneven shape forming portion provided with an embossing roll between a roll supply portion and a body member blank punching portion, and the uneven shape forming portion is adapted to the shape of the body member blank to be punched. A paper cup provided with an uneven shape, wherein the uneven shape is formed only on the periphery of the body member blank.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006130051A JP4853098B2 (en) | 2006-05-09 | 2006-05-09 | Paper cup with uneven shape |
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| JP2006130051A JP4853098B2 (en) | 2006-05-09 | 2006-05-09 | Paper cup with uneven shape |
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| JP2007302265A JP2007302265A (en) | 2007-11-22 |
| JP4853098B2 true JP4853098B2 (en) | 2012-01-11 |
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| JP4701515B2 (en) * | 2001-02-23 | 2011-06-15 | 凸版印刷株式会社 | Liquid paper container manufacturing method and liquid paper container |
| JP2003266564A (en) * | 2002-03-14 | 2003-09-24 | Toppan Printing Co Ltd | Sleeve bonding method and paper container |
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