JP4124292B2 - Lid with hot water hole - Google Patents

Lid with hot water hole Download PDF

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Publication number
JP4124292B2
JP4124292B2 JP18585798A JP18585798A JP4124292B2 JP 4124292 B2 JP4124292 B2 JP 4124292B2 JP 18585798 A JP18585798 A JP 18585798A JP 18585798 A JP18585798 A JP 18585798A JP 4124292 B2 JP4124292 B2 JP 4124292B2
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lid
hole
hot water
layer
container
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JP2000016467A (en
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修 竹厚
和敬 真鍋
雅博 反保
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Dai Nippon Printing Co Ltd
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Dai Nippon Printing Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • B65D85/804—Disposable containers or packages with contents which are mixed, infused or dissolved in situ, i.e. without having been previously removed from the package
    • B65D85/816—Disposable containers or packages with contents which are mixed, infused or dissolved in situ, i.e. without having been previously removed from the package into which liquid is added and the resulting preparation is retained, e.g. cups preloaded with powder or dehydrated food
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/10—Container closures formed after filling
    • B65D77/20—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
    • B65D77/2024—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers the cover being welded or adhered to the container
    • B65D77/2028—Means for opening the cover other than, or in addition to, a pull tab
    • B65D77/2032—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container
    • B65D77/2044—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container whereby a layer of the container or cover fails, e.g. cohesive failure
    • B65D77/2048—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container whereby a layer of the container or cover fails, e.g. cohesive failure whereby part of the container or cover has been weakened, e.g. perforated or precut
    • B65D77/2056—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container whereby a layer of the container or cover fails, e.g. cohesive failure whereby part of the container or cover has been weakened, e.g. perforated or precut the cover being weakened
    • B65D77/206—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container whereby a layer of the container or cover fails, e.g. cohesive failure whereby part of the container or cover has been weakened, e.g. perforated or precut the cover being weakened so as to uncover one or more preformed openings made through some layers of the cover
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2231/00—Means for facilitating the complete expelling of the contents
    • B65D2231/02—Precut holes or weakened zones
    • B65D2231/025—Precut holes or weakened zones for draining or discharging the liquid contents, e.g. soup, milk

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Package Specialized In Special Use (AREA)
  • Packages (AREA)

Description

【０００１】
【発明の属する技術分野】
本発明は、カップ入り焼きそば等のように、麺に熱湯を注いで一定時間放置した後、湯切りを行う容器に使用する湯切り孔付き蓋材に関する。
【０００２】
【従来の技術】
従来、カップ入り焼きそばは、発泡ポリスチレン等からなる容器に焼きそばを収納し、湯切り孔となる切込が形成されたプラスチック成形蓋が被せられ、全体をシュリンクフィルムにて収縮包装した包装形態のもの、ないしは発泡ポリスチレン等からなる容器に焼きそばを収納し、箸等により突き刺すことにより湯切り孔を形成できるようにした紙とアルミニウム箔の積層体からなる蓋材を容器に熱接着して取り付け、全体をシュリンクフィルムにて収縮包装した包装形態のもの等が知られている。
しかしながら、上記前者の包装形態の容器を使用した場合には、プラスチック成形蓋に湯切り孔となる切込が形成されているのでガスバリヤー性がない上に完全密封されていないために、保管中に内容物の匂いが外部に漏れ出すという欠点があった。また、後者の包装形態の容器を使用した場合には、湯切りする際に蓋材の所定箇所を箸等で突き刺して孔を開ける必要があり、孔を開けるのが煩雑である上に熱湯が入った容器の上から蓋材を突き刺す際に火傷をするおそれがある等の欠点があった。
【０００３】
【発明が解決しようとする課題】
本発明の目的は、容器を傾けるだけで湯切り用の孔を開けて簡単に湯切りできるとともに、密封性に優れ匂いの漏れだすことがない湯切り孔付き蓋材を提供することである。
【０００４】
【課題を解決するための手段】
円形状であり一端縁に突出した蓋材摘み部が形成されるとともに蓋材摘み部と対向する端縁側に孔が形成された蓋本体の外面に、被覆材が孔を覆うように水溶性接着剤層にて接着された構成の湯切り孔付き蓋材であって、前記水溶性接着剤層が、前記孔の周縁部を含み前記蓋材摘み部と対向する端縁側において部分的に塗布されているとともに前記蓋材摘み部側では全面塗布された構成の湯切り孔付き蓋材であるので、湯切り孔付き蓋材を容器から一部剥離させて容器の内部に熱湯を注入し一定時間放置することにより、放置中に熱湯の湯気で孔の周縁部を含み蓋材摘み部と対向する端縁側では水溶性接着剤が溶けるため、容器を傾けるだけで湯の圧力で被覆材が蓋本体の表面から剥離して孔が開き、簡単に湯切りを行うことができ、また、孔より蓋材摘み部側では水溶性接着剤が溶けにくいので湯切り時に被覆材が脱落してしまうことがない。
【０００６】
上記の湯切り孔付き蓋材において、被覆材を蓋本体と同一の大きさとすることにより、蓋材を製造する際に、蓋本体となるロール状の積層体と被覆材となるロール状のフィルムとを水溶性接着剤層にて接着した後に、打ち抜きを行う方法で製造できるので、製造工程を効率化することが可能となる。また、蓋材の全体が均一な厚さとなるために、蓋材を積み重ねた際に傾くことなく安定した積み重ねができる。
【０００７】
上記の湯切り孔つき蓋材において、被覆材を透明にすることにより、印刷層が形成された蓋本体の外面に被覆材を接着しても印刷層が覆い隠されることがないので意匠性を損なうことがない。
【０００８】
上記の湯切り孔つき蓋材において、蓋本体を印刷層と紙層と接着層とアルミニウム箔層と易剥離性樹脂層とからなる積層体とし、被覆材を２軸延伸プラスチック層として、蓋本体の表面の紙層面に被覆材を水溶性接着剤層にて接着した構成とすることにより、蓋本体の表面の紙層面と被覆材とを水溶性接着剤にて蓋本体に接着するのが容易となる。この構成の場合、蓋材のガスバリヤー性が優れるとともに容器に熱接着により取り付けて密封できるので内容物の匂いが外部にもれだすのを防止することができる。また、アルミニウム箔層によりカールが発生しない充填適性の優れた蓋材とすることができる。
【０００９】
【発明の実施の形態】
以下、図面を引用して本発明の実施の形態を説明する。
図１は本発明の蓋材の第１実施形態を示す平面図、図２は図１におけるＩ−Ｉ断面図、図３は第１実施形態の蓋材を使用して湯切りする状態を示す断面図、図４は蓋材の第２実施形態を示す平面図、図５は図４におけるＩ−Ｉ断面図、図６は第２実施形態の蓋材を使用して湯切りする状態を示す断面図、図７は蓋材の第３実施形態を示す平面図、図８は図７におけるＩ−Ｉ断面図、図９は第３実施形態の蓋材を使用して湯切りする状態を示す断面図であって、１は蓋本体、1aは蓋材摘み部、２，2'，2"は被覆材、2aは部分接着部、2bはベタ接着部、2cは非接着部、３は孔、４は容器、５は熱接着部、11は紙層、12は接着層、13はアルミニウム箔層、14は易剥離性樹脂層、15は印刷層、21は２軸延伸プラスチック層、22は水溶性接着剤層をそれぞれ表す。
【００１０】
本発明の蓋材の第１実施形態は図１、図２に示すとおりである。平面形状は図１に示すように、蓋本体１は略円形状であり一端縁に突出した蓋材摘み部1aが形成されており、蓋材摘み部1aと対向する端縁側の位置に複数の孔３が形成されており、蓋本体１に形成された複数の孔３を覆うように、略扇形状の被覆材２が円弧部が蓋本体１の円弧状の周縁よりも所定距離内側の位置にくるように水溶性接着剤層22にて接着された形状である。水溶性接着剤層22は孔３の周縁部を含み蓋材摘み部1aと対向する端縁側では格子状、網状、交差万線状等に部分的に塗布された部分接着部2aとされ、被覆材２の蓋材摘み部1a側ではベタ接着部2bとされている。第１実施形態では、略扇形状の被覆材２が蓋材を容器に熱接着する際の熱接着部にかからないように蓋本体１の端縁から所定距離だけ内側の位置に接着されているので、容器４に対して安定した状態で熱接着を行うことができる。本実施形態においては湯切り孔付き蓋材の形状を略円形としたが、使用する容器の形状に応じて任意に変形させることができるものである。孔３の形成する数、大きさ、形状、位置は任意であって湯切りに適したものであればよい。
【００１１】
第１実施形態の積層構成は、図２に示すとおりであり、蓋本体１は外面から順に印刷層15と紙層11と接着層12とアルミニウム箔層13と易剥離性樹脂層14とからなる積層体により、被覆材２は２軸延伸プラスチック層21と水溶性接着剤層22とからなる積層体によりそれぞれ構成されており、被覆材２は、蓋本体１に形成された複数の孔３の全体を覆うように、被覆材２の水溶性接着剤層22にて蓋本体１の紙層11面に接着された構成である。被覆材２の水溶性接着剤層22は孔３の周縁部を含み蓋材摘み部1aと対向する端縁側は部分接着部2aとされ、蓋材摘み部1a側ではベタ接着部2bとされている。この構成とすることにより、水溶性接着剤層22の部分接着部2aは、容器に注入された熱湯の湯気により容易に溶解して部分接着部2aの被覆材２は蓋本体１の表面から容易に剥離する。
【００１２】
本発明の湯切り孔付き蓋材は円形の開口部を有する発泡ポリスチレン等からなる容器のフランジ部に熱接着にて取り付けられた状態で用いられるものであり、湯切りする状態の断面形状は図３に示すとおりである。第１実施形態の湯切り孔付き蓋材が取り付けられた容器４を使用する場合には、先ず、蓋本体１の蓋材摘み部1aを掴んで蓋材を容器４から一定の距離だけ引き剥がして部分的に容器４の口部を開け、内部に収納されている小袋に包装された具や調味料を取り出し開封して容器４内に移した後に、開口された部分から容器４内に熱湯を所定の水位まで注入して蓋材で容器４の開口部を塞ぎ一定時間放置する。放置している間に湯気により孔３の周縁部を含み蓋材摘み部1aと対向する端縁側の部分接着部2aが溶解して、被覆材２の部分接着部2aが蓋本体１の表面から容易に剥離する状態となる。この状態で容器４を傾けると湯の圧力により被覆材２の部分接着部2aが剥離して孔３が開き、その孔３から容器４内の湯を簡単に排出させることができるものである。水溶性接着剤層22の蓋材摘み部1a側のベタ接着部2bは湯気で簡単に溶解しないために、容器４内の湯を排出させる際に被覆材２が脱落してしまうことはない。
【００１３】
本発明の湯切り孔付き蓋材の第２実施形態は図４、図５に示すとおりである。第２実施形態の蓋本体１および被覆材2'の構成は第１実施形態と基本的には同じである。平面形状は図４に示すように、被覆材2'は略扇形状であるのは第１実施形態と同じであるが、略扇形状の要の部分が蓋本体１の外面に接着されない非接着部2cとされている点で異なっている。被覆材2'は孔３の周縁部を含み蓋材摘み部1aと対向する端縁側では格子状、網状、交差万線状等に部分的に塗布された部分接着部2aとされ、部分接着部2aおよび非接着部2c以外ではベタ接着部2bとされている。第２実施形態の断面形状は、図５に示すように、被覆材2'の水溶性接着剤層22は孔３の周縁部を含み蓋材摘み部1aと対向する端縁側では部分接着部2aとされ、部分接着部2aおよび非接着部2c以外では接着力の小さいベタ接着部2bとされ、略扇形状の要の部分が水溶性接着剤層22が形成されない非接着部2cとされている。したがって、非接着部2cを摘んで被覆材2'を剥離することにより、孔３を露出させることもできる構成となっている。
【００１４】
第２実施形態の湯切り孔付き蓋材を取り付けた容器を使用する場合には、第１実施形態の湯切り孔付き蓋材と同様にして、容器４内に熱湯を注入して一定時間放置した後に容器４を傾けるだけで湯切りすることができるし、また、湯切りを行う際に、被覆材2'の非接着部2cを摘んで被覆材2'を剥離し、図６に示すように、孔３を露出させて湯切りを行うこともできる。被覆材2'を剥離する場合、水溶性接着剤層22のベタ接着部2bにおいても湯気である程度溶解しているとともに接着力を弱く設定しているので容易に剥離することができる。
【００１５】
本発明の湯切り孔付き蓋材の第３実施形態は図７、図８に示すとおりである。平面形状は図７に示すように、蓋本体１は略円形状であり一端縁に突出した蓋材摘み部1aが形成されており、蓋材摘み部1aと対向する端縁側の位置に複数の孔３が形成されており、蓋本体１に形成された複数の孔３を覆い、蓋本体１と同一形状の被覆材2"が蓋本体１の外面に水溶性接着剤層22にて接着された形状である。図８に示すように、水溶性接着剤層22は孔３の周縁部を含み孔３より蓋材摘み部1aと対向する端縁側では格子状、網状、交差万線状等に部分的に塗布された部分接着部2aとされ、孔３より蓋材摘み部1aの側では全面がベタ接着部2bとされている構成である。第３実施形態では、被覆材2"が蓋本体１の全面に接着されているので、この蓋材を容器４に熱接着する際に熱接着部に段差が生じることなく安定した熱接着を行うことができる。
【００１６】
第３実施形態の湯切り孔付き蓋材が取り付けられた容器を使用する場合には、蓋本体１の蓋材摘み部1aを掴んで蓋材を容器４から一定の距離だけ引き剥がして部分的に容器４の口部を開けて、内部に収納されている小袋に包装された具や調味料を取り出し開封後容器４内に移した後に、開口された部分から容器４内に熱湯を所定の水位まで注入して蓋材で開口部を塞ぎ一定時間放置する。放置している間に湯気により孔３の周縁部を含み孔３よりも蓋材摘み部1aと対向する側端側の部分接着部2aが溶解して被覆材２の部分接着部2aが蓋本体１の表面から容易に剥離する状態となる。この状態で容器４を傾けると、図９に示すように、湯の圧力により被覆材２の部分接着部2aが剥離して孔３が開き、その孔３から容器４内の湯を簡単に排出させることができるものである。水溶性接着剤層22のベタ接着部2bは湯気で簡単に溶解しないので、容器４内の湯を排出させる際に被覆材２が脱落してしまうことはない。また、密封性を完全なものとするため、孔３の周縁部に２ｍｍ程度の幅のベタ接着部を設けるようにしてもよい。
【００１７】
本発明の湯切り孔付き蓋材における蓋本体の積層構成は、外面を紙層を有し内面に易剥離性樹脂層を有する構成であれば、中間層は任意であるが、中間層をアルミニウム箔層とするのがカール防止効果も優れるので好ましい。被覆材の構成は、蓋本体１の表面の紙層に設けられた印刷層を隠蔽してしまうことのないように、２軸延伸プラスチックのように透明なフィルムにて構成するのが好ましい。被覆材を構成する２軸延伸プラスチック層としては、耐熱性および強度の優れた２軸延伸ポリエチレンテレフタレート、２軸延伸ポリプロピレン等の２軸延伸プラスチックフィルムが好ましい。水溶性接着剤としては、デンプン、デキストリン、ゼラチン、ポリビニルアルコール等が好適に使用できる。
【００１８】
本発明の湯切り孔付き蓋材を製造する方法は下記のとおりである。第１、第２実施形態の場合、蓋本体を構成する積層体は、印刷層を設けた紙層の印刷のない面に押出ポリエチレンないしはウレタン系接着剤からなる接着層を介してアルミニウム箔層を積層し、アルミニウム箔層面に易剥離性樹脂を溶融押出しすることにより易剥離性樹脂層を形成して作製して、所定位置に湯切り用の孔をダイロール、ダイプレス等の方法で穿設して作製する。被覆材は、２軸延伸プラスチック層面にデンプン、デキストリン、ゼラチン、ポリビニルアルコール等の水溶性接着剤を全面あるいは部分的に塗布し、直ちにダイロール、ダイプレス等の方法で所定の形状で打ち抜き、蓋本体を構成する積層体の所定位置に密着させることで接着させて、略円形状に打ち抜くことによって作製することができる。また、被覆材の別の接着方法として、あらかじめ２軸延伸プラスチック層面に水溶性接着剤を全面あるいは部分的に塗布した後に乾燥させ、別工程で水により水溶性接着剤を溶解させた後、ダイロール、ダイプレス等の方法で所定の形状で打ち抜き、蓋本体を構成する積層体の所定位置に密着させて接着することができる。
【００１９】
第３実施形態の場合、蓋本体を構成する積層体を第１実施形態の場合と同様にして作製する。被覆材は、２軸延伸プラスチック層面にデンプン、デキストリン、ゼラチン、ポリビニルアルコール等の水溶性接着剤を全面あるいは部分的に塗布して、蓋本体を構成する積層体の紙層面の所定位置に接着積層し、略円形状に打ち抜くことによって作製することができる。
【００２０】
【発明の効果】
円形状であり一端縁に突出した蓋材摘み部が形成されるとともに蓋材摘み部と対向する端縁側に複数個の孔が形成された蓋本体の外面に、被覆材が孔を覆うように水溶性接着剤層にて接着された構成の湯切り孔付き蓋材であるので、湯切り孔付き蓋材を容器から一部剥離させて容器の内部に熱湯を注入し一定時間放置することにより、水溶性接着剤層が湯気で溶けるため、湯の圧力により容器を傾けるだけで被覆材が蓋本体の表面から剥離して孔が開き、簡単に湯切りを行うことができるものである。
上記の湯切り孔付き蓋材において、水溶性接着剤層を孔の周縁部を含み蓋材摘み部と対向する端縁側において部分的に塗布されるとともに蓋材摘み部側では全面塗布された構成とすることにより、孔の周縁部を含み蓋材摘み部と対向する端縁側では水溶性接着剤が湯気により容易に溶けるので容器を傾けるだけで簡単に湯切りすることができる。また、孔より蓋材摘み部側では水溶性接着剤層が溶けにくいので湯切り時に被覆材が脱落するのを防止できる。
上記の湯切り孔付き蓋材において、被覆材を蓋本体と同一の大きさとすることにより、蓋材を製造する際に、蓋本体となるロール状の積層体と被覆材となるロール状の積層体とを水溶性接着剤層にて接着した後に、裁断し打抜きを行う方法で製造できるので製造工程を効率化することができる。
上記の湯切り孔つき蓋材において、被覆材を透明にすることにより、印刷層が形成された蓋本体の外面に被覆材を接着しても印刷層が覆い隠されることがないので意匠性を損なうことがない。
上記の湯切り孔つき蓋材において、蓋本体が印刷層と紙層と接着層とアルミニウム箔層と易剥離性樹脂層からなる積層体とし、被覆材を２軸延伸プラスチックフィルムとして、蓋本体の紙層面に被覆材を水溶性接着剤にて接着した構成とすることにより、蓋本体の表面が紙層となるので被覆材を水溶性接着剤にて蓋本体に接着するのが容易となる。また、アルミニウム箔層により蓋材のガスバリヤー性が優れたものとなるので、容器に熱接着により取り付けて密封すると内容物の匂いが外部にもれだすのを防止できるとともに、アルミニウム箔層により蓋材のカールの発生が防止できるので充填適性の優れたものとなる。
【図面の簡単な説明】
【図１】本発明の蓋材の第１実施形態を示す平面図。
【図２】図１におけるＩ−Ｉ断面図。
【図３】第１実施形態の蓋材を使用して湯切りする状態を示す断面図。
【図４】蓋材の第２実施形態を示す平面図。
【図５】図４におけるＩ−Ｉ断面図。
【図６】第２実施形態の蓋材を使用して湯切りする状態を示す断面図。
【図７】蓋材の第３実施形態を示す平面図。
【図８】図７におけるＩ−Ｉ断面図。
【図９】第３実施形態の蓋材を使用して湯切りする状態を示す断面図。
【符号の説明】
１ 蓋本体 11 紙層
1a 蓋材摘み部 12 接着層
２，2'，2" 被覆材 13 アルミニウム箔層
2a 部分接着部 14 易剥離性樹脂層
2b ベタ接着部 15 印刷層
2c 非接着部 21 ２軸延伸プラスチック層
３ 孔 22 水溶性接着剤層
４ 容器
５ 熱接着部[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a lid material with a hot water cut hole used for a container for hot water cutting after pouring hot water into noodles and leaving it for a certain period of time, such as a cupped fried noodle.
[0002]
[Prior art]
Conventionally, cup-fried noodles are packaged in such a way that fried noodles are housed in a container made of expanded polystyrene, etc., covered with a plastic molding lid with a notch that becomes a hot water cutting hole, and the whole is shrink-wrapped with a shrink film. Or the fried noodles are housed in a container made of expanded polystyrene, etc., and a lid made of a laminate of paper and aluminum foil that can be formed with a chopstick or the like by sticking it with heat is attached to the container by thermal bonding. The thing of the packaging form etc. which shrunk-wrapped with a shrink film is known.
However, when the former packaging type container is used, the plastic molding lid is formed with a notch that becomes a hot water cutting hole, so there is no gas barrier property and it is not completely sealed. The scent of the contents leaked to the outside. In addition, when the latter packaging type container is used, it is necessary to pierce a predetermined portion of the lid material with chopsticks or the like when severing hot water, and it is complicated to open the hole, and hot water is used. There were drawbacks such as burns when the lid was pierced from above the container.
[0003]
[Problems to be solved by the invention]
An object of the present invention is to provide a lid member with a hot water cut hole that has an excellent sealing property and does not leak a scent while allowing a hot water cut hole to be opened simply by tilting the container.
[0004]
[Means for Solving the Problems]
Water-soluble adhesive so that the covering material covers the hole on the outer surface of the lid body, which is circular and has a lid picking part protruding at one edge and a hole is formed on the edge facing the lid picking part It is a lid member with a hot water hole having a structure bonded with an agent layer , wherein the water-soluble adhesive layer is partially applied on an edge side that includes a peripheral edge portion of the hole and faces the lid knob portion. In addition, the lid material picking portion side is a cover material with a hot water cut hole that is applied to the entire surface, so that the cover material with the hot water hole is partially peeled from the container and hot water is injected into the container for a certain period of time. When left unattended, the water-soluble adhesive melts on the edge side that includes the peripheral edge of the hole and faces the lid picking part with the steam of hot water while it is left standing, so the cover material is covered with the pressure of the hot water just by tilting the container. Peel off from the surface of the surface to open a hole, you can easily cut hot water, Never dressing during hot cutting will fall off because less soluble water-soluble adhesive is more the lid knob portion.
[0006]
In the lid material with a hot water cut-off hole, when the cover material is made the same size as the lid body, a roll-shaped laminated body that becomes the lid body and a roll-shaped film that becomes the coating material when the lid material is manufactured. Can be manufactured by a method of punching after bonding with a water-soluble adhesive layer, so that the manufacturing process can be made more efficient. Further, since the entire cover material has a uniform thickness, stable stacking can be performed without tilting when the cover material is stacked.
[0007]
In the lid material with hot water cut holes, by making the coating material transparent, the printed layer will not be covered even if the coating material is adhered to the outer surface of the lid body on which the printing layer is formed. There is no loss.
[0008]
In the lid material with a hot water cut hole, the lid body is a laminate composed of a printing layer, a paper layer, an adhesive layer, an aluminum foil layer, and an easily peelable resin layer, and the covering material is a biaxially stretched plastic layer. Easy to bond the paper layer surface of the lid body and the coating material to the lid body with a water-soluble adhesive. It becomes. In this configuration, the gas barrier property of the lid is excellent, and the lid can be attached to the container by heat bonding and sealed, so that the odor of the contents can be prevented from leaking to the outside. Moreover, it can be set as the lid | cover material excellent in the filling property which a curl does not generate | occur | produce with an aluminum foil layer.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a plan view showing a first embodiment of the lid material of the present invention, FIG. 2 is a sectional view taken along the line II in FIG. 1, and FIG. 3 shows a state in which hot water is cut using the lid material of the first embodiment. FIG. 4 is a plan view showing a second embodiment of the lid member, FIG. 5 is a sectional view taken along line II in FIG. 4, and FIG. 6 shows a state in which hot water is cut using the lid member of the second embodiment. FIG. 7 is a plan view showing a third embodiment of the lid member, FIG. 8 is a sectional view taken along line II in FIG. 7, and FIG. 9 shows a state in which hot water is cut using the lid member of the third embodiment. 1 is a lid body, 1a is a lid picking portion, 2, 2 ', 2 "are covering materials, 2a is a partially bonded portion, 2b is a solid bonded portion, 2c is a non-bonded portion, and 3 is a hole. 4 is a container, 5 is a thermal bonding part, 11 is a paper layer, 12 is an adhesive layer, 13 is an aluminum foil layer, 14 is an easily peelable resin layer, 15 is a printed layer, 21 is a biaxially stretched plastic layer, 22 is Represents each water-soluble adhesive layer
[0010]
1st Embodiment of the cover material of this invention is as showing in FIG. 1, FIG. As shown in FIG. 1, the lid body 1 has a substantially circular shape and is formed with a lid picking portion 1a protruding at one end edge, and a plurality of positions are provided on the edge side facing the lid picking portion 1a. The hole 3 is formed, and the substantially fan-shaped covering material 2 is located at a position a predetermined distance inside the arc-shaped peripheral edge of the lid body 1 so as to cover the plurality of holes 3 formed in the lid body 1. It is a shape bonded with a water-soluble adhesive layer 22 so as to come to the center. The water-soluble adhesive layer 22 includes a peripheral edge portion of the hole 3 and is formed as a partial adhesive portion 2a partially coated in a lattice shape, a net shape, a cross line shape, or the like on the edge side facing the lid picking portion 1a. A solid adhesive portion 2b is provided on the lid 2 of the material 2 on the lid picking portion 1a side. In the first embodiment, the substantially fan-shaped covering material 2 is adhered to a position on the inner side by a predetermined distance from the edge of the lid body 1 so as not to be applied to the thermal bonding portion when the lid material is thermally bonded to the container. The heat bonding can be performed in a stable state with respect to the container 4. In the present embodiment, the shape of the lid member with a hot water cut hole is substantially circular, but it can be arbitrarily deformed according to the shape of the container to be used. The number, size, shape, and position of the holes 3 are arbitrary and may be any suitable for hot water cutting.
[0011]
The laminated configuration of the first embodiment is as shown in FIG. 2, and the lid body 1 is composed of a printing layer 15, a paper layer 11, an adhesive layer 12, an aluminum foil layer 13, and an easily peelable resin layer 14 in order from the outer surface. By the laminated body, the covering material 2 is composed of a laminated body composed of a biaxially stretched plastic layer 21 and a water-soluble adhesive layer 22, and the covering material 2 has a plurality of holes 3 formed in the lid body 1. In this configuration, a water-soluble adhesive layer 22 of the covering material 2 is adhered to the surface of the paper layer 11 of the lid body 1 so as to cover the whole. The water-soluble adhesive layer 22 of the covering material 2 includes the peripheral edge of the hole 3 and the edge side facing the lid material knob 1a is a partial adhesive portion 2a, and the lid material knob 1a is a solid adhesive portion 2b. Yes. With this configuration, the partially bonded portion 2a of the water-soluble adhesive layer 22 is easily dissolved by the steam of hot water injected into the container, and the covering material 2 of the partially bonded portion 2a is easily formed from the surface of the lid body 1. Peel off.
[0012]
The lid material with a hot water cut hole of the present invention is used in a state where it is attached by thermal bonding to a flange portion of a container made of expanded polystyrene or the like having a circular opening. As shown in FIG. In the case of using the container 4 to which the lid member with the hot water cut hole of the first embodiment is used, first, the lid member 1a of the lid body 1 is grasped and the lid member is peeled off from the container 4 by a certain distance. After partially opening the mouth of the container 4 and taking out the ingredients and seasonings packaged in the sachets contained in the container 4, opening them and moving them into the container 4, hot water is introduced into the container 4 from the opened part. Is injected to a predetermined water level, the opening of the container 4 is closed with a lid, and left for a certain period of time. While being left, the partial adhesive part 2a on the edge side including the peripheral edge of the hole 3 and facing the lid picking part 1a is dissolved by steam, so that the partial adhesive part 2a of the covering material 2 is removed from the surface of the lid body 1 Easy to peel off. When the container 4 is tilted in this state, the partial adhesion portion 2a of the covering material 2 is peeled off by the pressure of the hot water, the hole 3 is opened, and the hot water in the container 4 can be easily discharged from the hole 3. Since the solid adhesive portion 2b on the lid picking portion 1a side of the water-soluble adhesive layer 22 is not easily dissolved by steam, the covering material 2 does not fall off when the hot water in the container 4 is discharged.
[0013]
A second embodiment of the lid member with a hot water cut hole of the present invention is as shown in FIGS. The configurations of the lid main body 1 and the covering material 2 ′ of the second embodiment are basically the same as those of the first embodiment. As shown in FIG. 4, the planar shape is the same as that of the first embodiment in that the covering material 2 ′ is substantially fan-shaped, but the non-adhesive portion in which the substantial fan-shaped main part is not adhered to the outer surface of the lid body 1. It is different in that it is part 2c. The covering material 2 'includes the peripheral edge portion of the hole 3 and is formed as a partial adhesive portion 2a partially applied in a lattice shape, a net shape, a cross line shape, or the like on the edge side facing the lid picking portion 1a. Except for 2a and the non-bonding portion 2c, the solid bonding portion 2b is used. As shown in FIG. 5, the cross-sectional shape of the second embodiment is that the water-soluble adhesive layer 22 of the covering material 2 ′ includes the peripheral edge portion of the hole 3, and the partial adhesive portion 2 a on the edge side facing the lid picking portion 1 a. Other than the partially bonded portion 2a and the non-bonded portion 2c, a solid bonded portion 2b having a small adhesive force is formed, and a substantially fan-shaped main portion is a non-bonded portion 2c in which the water-soluble adhesive layer 22 is not formed. . Accordingly, the hole 3 can be exposed by picking the non-adhesive portion 2c and peeling the covering material 2 ′.
[0014]
When using a container with a lid with a hot water hole according to the second embodiment, hot water is poured into the container 4 in the same manner as the lid with a hot water hole according to the first embodiment and left for a certain period of time. After that, it is possible to drain the hot water just by tilting the container 4, and when the hot water is drained, the non-adhesive portion 2c of the covering material 2 'is picked to peel off the covering material 2', as shown in FIG. In addition, the hole 3 can be exposed to perform hot water cutting. When the covering material 2 ′ is peeled off, the solid adhesive portion 2b of the water-soluble adhesive layer 22 can be easily peeled off because it is dissolved to some extent by steam and the adhesive strength is set weak.
[0015]
A third embodiment of the lid member with a hot water cut hole of the present invention is as shown in FIGS. As shown in FIG. 7, the planar shape of the lid body 1 is a substantially circular shape, and is formed with a lid material knob portion 1a protruding at one end edge, and a plurality of positions are provided on the edge side facing the lid material knob portion 1a. A hole 3 is formed to cover the plurality of holes 3 formed in the lid body 1, and a covering material 2 ″ having the same shape as the lid body 1 is adhered to the outer surface of the lid body 1 with a water-soluble adhesive layer 22. As shown in Fig. 8, the water-soluble adhesive layer 22 includes the peripheral edge of the hole 3 and has a lattice shape, a net shape, a cross line shape, etc. In the third embodiment, the covering material 2 "is a solid adhesive portion 2b, and the entire surface is a solid adhesive portion 2b on the side of the lid picking portion 1a from the hole 3. Since it is adhered to the entire surface of the lid body 1, when this lid material is thermally bonded to the container 4, stable thermal bonding can be performed without causing a step in the thermal bonding portion. That.
[0016]
In the case of using a container to which a lid member with a scissor hole according to the third embodiment is used, the lid member 1a of the lid body 1 is grasped and the lid member is peeled off from the container 4 by a certain distance. After opening the mouth of the container 4 and taking out the ingredients and seasonings packaged in the sachet accommodated in the container 4 and moving them into the container 4 after opening, hot water is poured into the container 4 from the opened part. Fill to the water level, close the opening with a lid, and leave it for a certain time. While being left, the partial adhesive part 2a on the side end side including the peripheral edge of the hole 3 and facing the lid picking part 1a rather than the hole 3 is dissolved by steam, and the partial adhesive part 2a of the covering material 2 becomes the lid body. It will be in the state which peels from the surface of 1 easily. When the container 4 is tilted in this state, as shown in FIG. 9, the partial adhesion part 2 a of the covering material 2 is peeled off by the pressure of the hot water, the hole 3 is opened, and the hot water in the container 4 is easily discharged from the hole 3. It can be made to. Since the solid adhesive part 2b of the water-soluble adhesive layer 22 is not easily dissolved by steam, the covering material 2 does not fall off when the hot water in the container 4 is discharged. Further, in order to complete the sealing performance, a solid adhesive portion having a width of about 2 mm may be provided at the peripheral portion of the hole 3.
[0017]
As long as the laminated structure of the lid body in the lid material with hot water cut holes of the present invention has a paper layer on the outer surface and an easily peelable resin layer on the inner surface, the intermediate layer is optional, but the intermediate layer is made of aluminum. A foil layer is preferable because it has an excellent curl prevention effect. The covering material is preferably made of a transparent film such as biaxially stretched plastic so as not to conceal the printing layer provided on the paper layer on the surface of the lid body 1. The biaxially stretched plastic layer constituting the coating material is preferably a biaxially stretched plastic film such as biaxially stretched polyethylene terephthalate and biaxially stretched polypropylene having excellent heat resistance and strength. As the water-soluble adhesive, starch, dextrin, gelatin, polyvinyl alcohol and the like can be suitably used.
[0018]
The method for producing the lid member with a hot water cut hole of the present invention is as follows. In the case of the first and second embodiments, the laminate constituting the lid body has an aluminum foil layer on the non-printed surface of the paper layer provided with the printed layer via an adhesive layer made of extruded polyethylene or urethane adhesive. Laminate and form an easy-release resin layer by melt-extruding an easy-release resin on the surface of the aluminum foil layer, and drill holes for hot water cutting at a predetermined position by a die roll, die press, etc. Make it. The coating material is coated with a water-soluble adhesive such as starch, dextrin, gelatin, polyvinyl alcohol or the like on the biaxially stretched plastic layer surface, or immediately punched out in a predetermined shape by a die roll, die press, etc. It can be produced by adhering to a predetermined position of the laminated body to be formed and punching it into a substantially circular shape. As another bonding method for the coating material, a water-soluble adhesive is applied to the biaxially stretched plastic layer surface in advance or partially in advance and then dried, and the water-soluble adhesive is dissolved in water in a separate process, and then a die roll. Then, it can be punched out in a predetermined shape by a method such as die press and brought into close contact with a predetermined position of the laminated body constituting the lid main body to be bonded.
[0019]
In the case of the third embodiment, the laminated body constituting the lid body is produced in the same manner as in the case of the first embodiment. The coating material is coated with a water-soluble adhesive such as starch, dextrin, gelatin, polyvinyl alcohol or the like on the biaxially stretched plastic layer surface in whole or in part, and adhesively laminated at a predetermined position on the paper layer surface of the laminate constituting the lid body. However, it can be produced by punching into a substantially circular shape.
[0020]
【The invention's effect】
A cover material covering part is formed on the outer surface of the lid body, which is circular and has a cover material pick part protruding at one end edge and a plurality of holes formed on the edge side facing the cover material pick part. Since it is a lid material with a hot water hole that is bonded with a water-soluble adhesive layer, by partially peeling the lid material with a hot water hole from the container and pouring hot water inside the container, Since the water-soluble adhesive layer melts with steam, the coating material is peeled off from the surface of the lid body by simply tilting the container with the pressure of the hot water, and a hole is opened, so that the hot water can be easily cut.
In the lid member with a hot water cut hole, the water-soluble adhesive layer is partially applied on the edge side that includes the peripheral edge of the hole and faces the cover material picking part, and is applied to the entire surface on the cover material picking part side. By doing so, the water-soluble adhesive is easily melted by steam on the edge side including the peripheral edge portion of the hole and facing the lid picking portion, so that the hot water can be easily cut by simply tilting the container. Further, since the water-soluble adhesive layer hardly dissolves on the lid picking part side from the hole, it is possible to prevent the covering material from falling off when the hot water is cut off.
In the lid material with a hot water cut-off hole, by making the coating material the same size as the lid body, when manufacturing the lid material, a roll-shaped laminate that becomes the lid body and a roll-shaped laminate that becomes the coating material Since it can manufacture by the method of cutting and punching after adhere | attaching a body on a water-soluble adhesive layer, a manufacturing process can be made efficient.
In the lid material with hot water cut holes, by making the coating material transparent, the printed layer will not be covered even if the coating material is adhered to the outer surface of the lid body on which the printing layer is formed. There is no loss.
In the lid material with a hot water cut hole, the lid body is a laminate composed of a printing layer, a paper layer, an adhesive layer, an aluminum foil layer, and an easily peelable resin layer, the covering material is a biaxially stretched plastic film, By adopting a configuration in which the coating material is adhered to the paper layer surface with a water-soluble adhesive, the surface of the lid main body becomes a paper layer, so that the coating material can be easily adhered to the lid main body with the water-soluble adhesive. In addition, since the aluminum foil layer makes the gas barrier property of the lid excellent, it is possible to prevent the odor of the contents from leaking to the outside when the lid is attached to the container by thermal bonding and sealed, and the lid is covered by the aluminum foil layer. Since the curling of the material can be prevented, the filling ability is excellent.
[Brief description of the drawings]
FIG. 1 is a plan view showing a first embodiment of a lid member of the present invention.
2 is a cross-sectional view taken along the line II in FIG.
FIG. 3 is a cross-sectional view showing a state in which hot water is cut using the lid according to the first embodiment.
FIG. 4 is a plan view showing a second embodiment of a lid member.
5 is a cross-sectional view taken along the line II in FIG.
FIG. 6 is a cross-sectional view showing a state in which hot water is cut using the lid according to the second embodiment.
FIG. 7 is a plan view showing a third embodiment of the lid member.
8 is a cross-sectional view taken along the line II in FIG.
FIG. 9 is a cross-sectional view showing a state in which hot water is cut using the lid member of the third embodiment.
[Explanation of symbols]
1 Lid body 11 Paper layer
1a Lid knob 12 Adhesive layer 2, 2 ', 2 "Cover 13 Aluminum foil layer
2a Partially bonded part 14 Easy peelable resin layer
2b Solid adhesive part 15 Print layer
2c Non-bonding part 21 Biaxially stretched plastic layer 3 Hole 22 Water-soluble adhesive layer 4 Container 5 Thermal bonding part

Claims (5)

円形状であり一端縁に突出した蓋材摘み部が形成されるとともに前記蓋材摘み部と対向する端縁側に孔が形成された蓋本体の外面に、被覆材が前記孔を覆うように水溶性接着剤層にて接着された湯切り孔付き蓋材であって、前記水溶性接着剤層が、前記孔の周縁部を含み前記蓋材摘み部と対向する端縁側において部分的に塗布されているとともに前記蓋材摘み部側では全面塗布された構成からなることを特徴とする湯切り孔付き蓋材。A lid material picking portion that is circular and protrudes at one end edge is formed, and water is applied so that a covering material covers the hole on the outer surface of the lid body that has a hole formed on the edge side facing the lid material picking portion. A lid member with a hot water hole bonded by a water- soluble adhesive layer , wherein the water-soluble adhesive layer is partially applied on an edge side that includes a peripheral edge portion of the hole and faces the lid material picking portion. And a cover material with a hot water cut hole, characterized in that the cover material picking portion side is coated on the entire surface. 前記被覆材が、前記孔が形成された領域のみを覆う大きさであることを特徴とする請求項１に記載の湯切り孔付き蓋材。  The lid material with a hot water cut hole according to claim 1, wherein the covering material has a size that covers only a region where the hole is formed. 前記被覆材が、前記蓋本体と同一の大きさであることを特徴とする請求項１に記載の湯切り孔付き蓋材。  The said covering material is the same magnitude | size as the said cover main body, The lid | cover material with a hot water cut-off hole of Claim 1 characterized by the above-mentioned. 前記被覆材が透明であることを特徴とする請求項１〜３のいずれかに記載の湯切り孔付き蓋材。  The said covering material is transparent, The lid | cover material with a hot water cut-off hole in any one of Claims 1-3 characterized by the above-mentioned. 前記蓋本体を印刷層と紙層と接着層とアルミニウム箔層と易剥離性樹脂層との積層体とし、前記被覆材を２軸延伸プラスチックとして、前記蓋本体の前記紙層面に前記被覆材を前記水溶性接着剤層にて接着した構成からなることを特徴とする請求項１〜４のいずれかに記載の湯切り孔付き蓋材。  The lid body is a laminate of a printing layer, a paper layer, an adhesive layer, an aluminum foil layer, and an easily peelable resin layer, the coating material is biaxially stretched plastic, and the coating material is applied to the paper layer surface of the lid body. It consists of the structure adhere | attached with the said water-soluble adhesive layer, The lid | cover material with a hot water hole in any one of Claims 1-4 characterized by the above-mentioned.
JP18585798A 1998-07-01 1998-07-01 Lid with hot water hole Expired - Fee Related JP4124292B2 (en)

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Application Number Priority Date Filing Date Title
JP18585798A JP4124292B2 (en) 1998-07-01 1998-07-01 Lid with hot water hole

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JP2000016467A JP2000016467A (en) 2000-01-18
JP4124292B2 true JP4124292B2 (en) 2008-07-23

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4887706B2 (en) * 2005-09-22 2012-02-29 凸版印刷株式会社 Lid with hot water draining function
CN107017729A (en) * 2017-06-09 2017-08-04 山东凌众动力科技有限公司 Motor
CN107985804A (en) * 2017-12-07 2018-05-04 厦门鑫新光塑料包装有限公司 A kind of packaging cover easy to use
TWM604747U (en) * 2020-09-03 2020-12-01 簡子曦 Composite sealing film and beverage cup using it

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