JP4358677B2 - Overlap package and packaging method thereof - Google Patents

Overlap package and packaging method thereof Download PDF

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JP4358677B2
JP4358677B2 JP2004135013A JP2004135013A JP4358677B2 JP 4358677 B2 JP4358677 B2 JP 4358677B2 JP 2004135013 A JP2004135013 A JP 2004135013A JP 2004135013 A JP2004135013 A JP 2004135013A JP 4358677 B2 JP4358677 B2 JP 4358677B2
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packaging material
end side
packaging
printing layer
overlap
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JP2005313944A (en
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仁 三井
安弘 杉本
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Fuji Seal International Inc
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この発明は、基材フィルムに印刷層が形成された包材を用いて被包装体にオーバーラップ包装が施されたオーバーラップ包装体及びその包装方法に関する。   The present invention relates to an overlap package in which an overlap package is applied to a package using a packaging material in which a printed layer is formed on a base film, and a packaging method thereof.

従来から、カップ入り即席焼きそばやカップ入り即席ラーメン等のカップ入り商品については、カップ状の容器本体や容器本体の口部を閉塞するシート状の蓋部材に予め図柄や商品名等を印刷しておき、容器本体に内容物を収容して口部を蓋部材によって閉塞した後、透明のシュリンクフィルムによって形成された包材を用いてオーバーラップ包装を施した状態で販売されている。   Traditionally, for cup-made products such as instant fried noodles with cups and instant ramen with cups, designs and product names are printed in advance on the cup-shaped container body and the sheet-like lid member that closes the mouth of the container body. In addition, after the contents are accommodated in the container body and the mouth portion is closed with a lid member, the container is sold in a state where it is wrapped with a packaging material formed of a transparent shrink film.

こういったカップ入り商品等にオーバーラップ包装を施す場合は、まず、ピロー包装機等を用いて、シュリンクフィルムによって形成された長尺帯状の包材を、その幅方向の両側縁同士を重ね合わせて合掌貼りすることによって筒状に形成しながら、一定間隔で供給されるカップ入り商品等を筒状に形成された包材内に挿入した後、筒状の包材を隣接するカップ入り商品等の間で順次溶断シールすることによって、カップ入り商品等を包材によって包み込み、その後、包材を加熱収縮させることによってカップ入り商品等に密着させることになる。   When applying overlap wrapping to such cupped products etc., first use a pillow wrapping machine etc. to overlap the widthwise side edges of the long strip of packaging material formed of shrink film After inserting cupped products etc. supplied at regular intervals into a cylindrically shaped packaging material while forming into a cylindrical shape by sticking together, the cylindrical packaging material etc. By sequentially fusing and sealing between, a cupped product or the like is wrapped with a packaging material, and then the packaging material is heated and contracted to be brought into close contact with the cupped product or the like.

また、容器本体や蓋部材に図柄等を印刷する場合に比べて、オーバーラップ包装を施すためのシュリンクフィルムによって形成された包材自体に図柄や商品名等を印刷したほうが印刷部分がクリアに仕上がると共に、蓋部材によって容器本体の口部を閉塞する際、容器本体の印刷部分と蓋部材の印刷部分との位置合わせ等を考慮しなくてもよいので、近年では、容器本体や蓋部材には印刷を行わずに、図柄や商品名等が予め印刷された包材を用いてオーバーラップ包装を施すことが望まれており、一部のカップ入り商品等については、既に、図柄等が印刷された包材を用いてオーバーラップ包装が施されるようになってきている。   Also, compared to printing a design etc. on the container body or lid member, the printed part will be clearer if the design or product name etc. is printed on the packaging material itself formed by the shrink film for the overlap wrapping. At the same time, when closing the mouth of the container body with the lid member, it is not necessary to consider the alignment between the printed part of the container body and the printed part of the lid member. It is desired to use overlapped packaging with a preprinted design, product name, etc. without printing, and for some cupped products, the design, etc. has already been printed. Overwrap packaging has been applied using the same packaging material.

特開２００２−３３２０１６号公報JP 2002-332016 A

ところで、こういったオーバーラップ包装用の包材としては、合掌貼り部分に十分なシール強度を確保するために、シュリンクフィルムからなる基材フィルムの外面側に全面印刷を施すことが考えられるが、合掌貼りするために包材における幅方向の両端同士を重ね合わせる際、本来は、図８に示すように、包材５０の両端同士が相互に一致するように、包材５０を重ね合わさなければならないが、ピロー包装機等では、その機械誤差によって、包材５０の重ね合わせ部分にずれが発生し易いので、例えば、図９（ａ）に示すように、包材５０の重ね合わせ部分にずれが発生した状態でヒートシールされた合掌貼り部分ＣＳを、同図（ｂ）に示すように折り曲げると、包材５０の一端側に形成された印刷層５２の裏面が透明な基材フィルム５１を通して視認されることになり、合掌貼り部分ＣＳが見苦しくなるといった問題がある。   By the way, as a packaging material for such overlap packaging, in order to ensure sufficient sealing strength in the palm-pasted part, it is conceivable to print the entire surface on the outer surface side of the base film made of shrink film, When both ends of the packaging material in the width direction are overlapped in order to attach the palm, the packaging material 50 is originally not overlapped so that both ends of the packaging material 50 coincide with each other as shown in FIG. However, in a pillow wrapping machine or the like, the overlapping portion of the packaging material 50 is likely to be displaced due to the mechanical error. For example, as shown in FIG. When the palm-attached portion CS heat-sealed in a state where the occurrence of sag occurs, as shown in FIG. 5B, the back surface of the printed layer 52 formed on one end side of the packaging material 50 is transparent. Become visually recognized that through, there is a problem butt seaming portion CS becomes unsightly.

また、基材フィルム５１の外面側に全面印刷を施した包材を使用する場合は、包材５０の両端部の内面同士を重ね合わせて合掌貼りする際、包材５０の重ね合わせ部分を熱圧するシールローラが印刷層５２に接触することになるので、シールローラの熱によって溶融や熱劣化した印刷層５２が基材フィルム５１から剥がれてシールローラに付着し、合掌貼り部分ＣＳの美観が損なわれるといった問題もある。   In addition, when using a packaging material that has been printed on the entire outer surface of the base film 51, the overlapping portions of the packaging material 50 are heated when the inner surfaces of both ends of the packaging material 50 are overlapped and bonded together. Since the pressing seal roller comes into contact with the printing layer 52, the printing layer 52 melted or thermally deteriorated by the heat of the sealing roller peels off from the base film 51 and adheres to the sealing roller, and the aesthetic appearance of the jointed portion CS is impaired. There is also a problem such as.

そこで、この発明の課題は、合掌貼り部分の美観を損なわないオーバーラップ包装体及びその包装方法を提供することにある。   Then, the subject of this invention is providing the overlap package which does not impair the beauty | look of a palm-pasted part, and its packaging method.

上記の課題を解決するため、請求項１に係る発明は、基材フィルムに印刷層が形成された包材を用いて被包装体にオーバーラップ包装が施されたオーバーラップ包装体において、前記包材は、前記基材フィルムに印刷層が形成されていない透明な一端側の内面と、前記基材フィルムに前記印刷層が形成されている他端側の内面とが、相互にヒートシールされた合掌貼り部分を有しており、前記合掌貼り部分は、透明な前記包材の一端側に折り曲げられ、前記印刷層が形成されていない前記包材の一端側が、前記印刷層が形成されている前記包材の他端側と合掌貼り以外の部分との間に介在していることを特徴とするオーバーラップ包装体を提供するものである。
To solve the above problems, the invention according to claim 1, the printing layer by using a packaging material which is formed in the overlap wrapping body overlap wrapping is applied onto the package substrate film, the packaging In the material, a transparent inner surface on one end side where the printed layer is not formed on the base film and an inner surface on the other end side where the printed layer is formed on the base film are heat-sealed with each other. It has a joint-pasting part, the joint-pasting part is bent to one end side of the transparent packaging material , and the printing layer is formed on one end side of the packaging material where the printing layer is not formed. The present invention provides an overlap package characterized in that it is interposed between the other end side of the packaging material and a portion other than the palm attachment .

また、上記の課題を解決するため、請求項２にかかる発明は、前記印刷層が前記基材フィルムの外面側に形成されている前記包材を用いて被包装体にオーバーラップ包装が施された請求項１に記載のオーバーラップ包装体の包装方法であって、前記包材の透明な一端側の内面と前記包材の他端側の内面とを重ね合わせ、その重ね合わせ部分を熱圧することによって、前記合掌貼り部分を形成する際、主として、前記包材の透明な一端側から加熱するようにしたことを特徴とするオーバーラップ包装体の包装方法を提供するものである。   Moreover, in order to solve said subject, the invention concerning Claim 2 WHEREIN: Overwrap packaging is given to the to-be-packaged body using the said packaging material in which the said printing layer is formed in the outer surface side of the said base film. The method for packaging an overlapped package according to claim 1, wherein the transparent inner surface on one end side of the packaging material and the inner surface on the other end side of the packaging material are overlapped, and the overlapped portion is hot-pressed. Thus, the present invention provides a method for packaging an overlapped package, characterized in that, when the palm-attached portion is formed, heating is mainly performed from the transparent one end side of the packaging material.

以上のように、請求項１に係る発明のオーバーラップ包装体では、合掌貼り部分を構成している包材の一端側が透明になっており、しかも、その合掌貼り部分は、透明になっている包材の一端側に折り曲げられ、印刷層が形成されていない包材の一端側が、印刷層が形成されている包材の他端側と合掌貼り以外の部分との間に介在しているので、合掌貼り部分を構成している包材の両端部が相互にずれた状態でヒートシールされている場合であっても、包材の他端側に形成された印刷層の裏面が視認されることはない。 As described above, in the over-wrap packaging material of the invention according to claim 1, it has become one end of the packaging material constituting the butt seaming portion transparent, moreover, partial bonding the twofold is made transparent Since one end side of the packaging material which is bent to one end side of the packaging material and is not formed with the printing layer is interposed between the other end side of the packaging material on which the printing layer is formed and the portion other than the hand-gap attachment Even when both ends of the packaging material constituting the palm-pasted portion are heat-sealed in a state of being shifted from each other, the back surface of the printed layer formed on the other end side of the packaging material is visible There is nothing.

例えば、透明になっている包材の一端側の張出長さが他端側の張出長さに比べて短くなった状態でヒートシールされた場合、その合掌貼り部分は、張出長さの長い他端側の外面が外側を向くので、印刷層の裏面が視認されることはなく、逆に、透明になっている包材の一端側の張出長さが他端側の張出長さに比べて長くなった状態でヒートシールされた場合、その合掌貼り部分の先端部分については、包材の一端側の裏面が外側を向くことになるが、包材の一端側には印刷層が形成されていないので、印刷層の裏面が視認されることはない。   For example, when heat sealing is performed in a state where the overhang length on one end side of the packaging material that is transparent is shorter than the overhang length on the other end side, Since the outer surface on the other end side of the long side faces outward, the back surface of the printed layer is not visually recognized, and conversely, the overhanging length on one end side of the transparent packaging material is on the other end side. When heat sealing is performed in a state that is longer than the length, the back of one end of the packaging material faces the outside at the tip of the joint-attached portion, but printing is performed on one end of the packaging material. Since the layer is not formed, the back surface of the printing layer is not visually recognized.

また、請求項２にかかる発明のオーバーラップ包装体の包装方法では、合掌貼りするために、包材の両端部同士を重ね合わせ、その重ね合わせ部分を熱圧する際、基材フィルムの外面側に印刷層が形成されている包材の他端側の熱影響が少なくなるように、主として、印刷層が形成されていない包材の一端側から加熱するようになっているので、包材の他端側に形成された印刷層が基材フィルムから剥がれてシールローラに付着することがなく、合掌貼り部分の美観が損なわれることがない。   Moreover, in the packaging method of the overlap packaging body of the invention concerning Claim 2, when both ends of a packaging material are overlap | superposed and the overlapping part is hot-pressed in order to carry out a palm-pasting, it is on the outer surface side of a base film. In order to reduce the thermal effect on the other end side of the packaging material on which the printing layer is formed, heating is mainly performed from one end side of the packaging material on which the printing layer is not formed. The printed layer formed on the end side does not peel off from the base film and adheres to the seal roller, and the aesthetic appearance of the palm-attached portion is not impaired.

以下、実施の形態について図面を参照して説明する。図１（ａ）、（ｂ）及び図２（ａ）、（ｂ）に示すように、このオーバーラップ包装体１は、カップ状容器１１に即席うどんや加薬等の内容物１３を収容した後、カップ状容器１１の上面開口部を蓋シート１２によって閉塞したカップ入り即席うどん（以下、被包装体という）１０に、基材フィルム２１が透明なシュリンクフィルム（例えば、厚さ５〜３０μｍの２軸延伸ポリプロピレンフィルム等）によって形成された包材２０を用いて、オーバーラップ包装を施したものであり、包材２０には、被包装体１０の天面や周面を覆う部分に商品名や特徴的な図柄等が表示されるように、基材フィルム２１の外面側に図柄やベタ印刷がグラビア印刷等によって施されている。   Hereinafter, embodiments will be described with reference to the drawings. As shown in FIGS. 1 (a), 1 (b) and 2 (a), 2 (b), the overlap package 1 accommodates contents 13 such as instant udon and a medicine in a cup-shaped container 11. Thereafter, a cup-shaped instant udon (hereinafter, referred to as a packaged body) 10 in which the upper surface opening of the cup-shaped container 11 is closed by a lid sheet 12, a base film 21 is a transparent shrink film (for example, a thickness of 5 to 30 μm). The wrapping material 20 formed of a biaxially stretched polypropylene film or the like is used to carry out overlap wrapping, and the wrapping material 20 has a product name on a portion covering the top surface and the peripheral surface of the package 10. In order to display a characteristic pattern or the like, the pattern or solid printing is applied to the outer surface side of the base film 21 by gravure printing or the like.

前記包材２０は、図３（ａ）、（ｂ）に示すように、長尺帯状の状態で供給されるようになっており、基材フィルム２１の外面側には、同一の印刷パターンで繰り返し印刷が施された、厚さ１〜５μｍの印刷層２２が形成されている。なお、基材フィルム２１の外面側には、基材フィルム２１に対する印刷層２２の密着性を確保するために、予めコロナ放電処理が施されている。   As shown in FIGS. 3A and 3B, the packaging material 20 is supplied in the form of a long band, and the outer surface side of the base film 21 has the same printing pattern. A printing layer 22 having a thickness of 1 to 5 μm, which has been repeatedly printed, is formed. In addition, in order to ensure the adhesiveness of the printing layer 22 with respect to the base film 21, the corona discharge process is given to the outer surface side of the base film 21 previously.

前記印刷層２２は、同図（ａ）〜（ｃ）に示すように、耐熱性を有するポリアミド・硝化綿系インキによって形成された表示印刷層２２ａと、ポリアミド・硝化綿系樹脂に酸化チタン等の顔料を含有する白色インキによって形成された白色印刷層２２ｂとから構成されており、表示印刷層２２ａ及び白色印刷層２２ｂは、合掌貼り部分を構成する基材フィルム２１における幅方向の一端側を除く全領域を覆っている。従って、包材２０の裏面側からは、透明な基材フィルム２１を通して、白色印刷層２２ｂが視認できる状態となっている。なお、耐熱性インキとしては、上述したポリアミド・硝化綿系インキやアクリル・硝化綿系インキ等の樹脂成分中に２０重量％以上の硝化綿を含有したものが好ましい。   As shown in FIGS. 1A to 1C, the printing layer 22 includes a display printing layer 22a formed of a heat-resistant polyamide / nitrified cotton-based ink, and a polyamide / nitrified cotton-based resin with titanium oxide or the like. The white print layer 22b formed of a white ink containing the above pigment, and the display print layer 22a and the white print layer 22b are arranged at one end in the width direction of the base film 21 constituting the palm-attached portion. Covers all areas except. Therefore, from the back surface side of the packaging material 20, the white print layer 22 b is visible through the transparent base film 21. The heat-resistant ink is preferably one containing 20% by weight or more of nitrified cotton in the resin component such as the above-mentioned polyamide / nitrified cotton-based ink or acrylic / nitrified cotton-based ink.

以上のように構成された包材２０を用いて、被包装体１０にオーバーラップ包装を施すには、図３（ａ）、（ｂ）に示すように、包材２０における一点鎖線で区画された部分において被包装体１０を順次包み込みながら、図４（ａ）に示すように、基材フィルム２１に印刷層２２が形成されていない透明な一端側の内面と、基材フィルム２１の外面側に印刷層２２が形成されている他端側の内面とを相互に重ね合わせ、その重ね合わせ部分を、外周面にローレットが形成された一対のシールローラＳＲ１、ＳＲ２によって挟み込んでヒートシール（センターシール）することによって、即ち、合掌貼りすることによって、筒状に形成した後、同図（ｂ）に示すように、その合掌貼り部分ＣＳを、包材２０における透明な一端側に折り曲げる。   In order to perform overlap wrapping on the package 10 using the packaging material 20 configured as described above, as shown in FIGS. 3 (a) and 3 (b), the packaging material 20 is partitioned by an alternate long and short dash line. As shown in FIG. 4 (a), the inner surface of the transparent one end side where the printed layer 22 is not formed on the base film 21 and the outer surface side of the base film 21, while sequentially wrapping the package 10 in the part And the inner surface on the other end side on which the printing layer 22 is formed are overlapped with each other, and the overlapped portion is sandwiched between a pair of seal rollers SR1 and SR2 having a knurl formed on the outer peripheral surface and heat sealed (center seal). ), I.e., by gluing, and forming into a cylindrical shape, the palm-pasted portion CS is bent to one transparent end side of the packaging material 20 as shown in FIG.

包材２０の幅方向の両端部を合掌貼りする一対のシールローラＳＲ１、ＳＲ２は、図４（ａ）に示すように、包材２０における印刷層２２が形成されている他端側、即ち、印刷層２２に接触するシールローラＳＲ２の温度が、包材２０における印刷層２２が形成されていない透明な一端側、即ち、基材フィルム２１に接触するシールローラＳＲ１の温度より低く設定されており、高温のシールローラＳＲ１が直接印刷層２２に触れることがなく、印刷層２２が形成されている包材２０の他端側が、印刷層２２が劣化し易い温度以上に加熱されないようになっている。具体的には、シールローラＳＲ１による加熱温度が１５０〜２３０℃（例えば、２００℃）、シールローラＳＲ２による加熱温度が５０〜１２０℃（例えば、８０℃）に設定されている。   As shown in FIG. 4A, the pair of seal rollers SR1 and SR2 for gluing both ends in the width direction of the packaging material 20 is the other end side where the printing layer 22 is formed on the packaging material 20, that is, The temperature of the sealing roller SR2 in contact with the printing layer 22 is set lower than the temperature of the transparent end of the packaging material 20 where the printing layer 22 is not formed, that is, the temperature of the sealing roller SR1 in contact with the base film 21. The high-temperature seal roller SR1 does not directly touch the printing layer 22, and the other end of the packaging material 20 on which the printing layer 22 is formed is not heated above the temperature at which the printing layer 22 easily deteriorates. . Specifically, the heating temperature by the seal roller SR1 is set to 150 to 230 ° C. (for example, 200 ° C.), and the heating temperature by the seal roller SR2 is set to 50 to 120 ° C. (for example, 80 ° C.).

このようにして、被包装体１０を包み込んだ状態で筒状に形成された包材２０を、図３（ａ）、（ｂ）に一点鎖線で示す部分で順次溶断シールすると、図５（ａ）〜（ｃ）に示すように、被包装体１０が１個ずつ包材２０によって完全に包み込まれた状態で切り離されるので、それぞれの被包装体１０を包み込んでいる包材２０を加熱収縮させると、図１及び図２に示すように、包材２０が被包装体１０の外表面に略密着した状態のオーバーラップ包装体１が出来上がる。   In this way, when the packaging material 20 formed in a cylindrical shape in a state of wrapping the packaged body 10 is sequentially melted and sealed at a portion indicated by a one-dot chain line in FIGS. 3A and 3B, FIG. ) To (c), the packaging bodies 10 are separated one by one in a state of being completely encased by the packaging material 20 one by one. Therefore, the packaging materials 20 enclosing the respective packaging bodies 10 are heated and shrunk. As shown in FIGS. 1 and 2, the overlap packaging body 1 in a state in which the packaging material 20 is substantially in close contact with the outer surface of the package body 10 is completed.

以上のように、このオーバーラップ包装体１では、合掌貼り部分ＣＳを構成している包材２０の一端側が透明になっており、しかも、その合掌貼り部分ＣＳは、透明になっている包材２０の一端側に折り曲げられているので、合掌貼り部分ＣＳを構成している包材２０の両端部が相互にずれた状態でヒートシールされている場合であっても、合掌貼り部分ＣＳにおいて、包材２０の他端側に形成された印刷層２２の裏面、即ち、白色印刷層２２ｂが視認されることがなく、合掌貼り部分ＣＳの美観が損なわれることがない。   As described above, in this overlap packaging body 1, one end side of the packaging material 20 constituting the palm-pasted portion CS is transparent, and the palm-pasted portion CS is a transparent packaging material. 20 is bent to one end side of the wrapping portion 20, so even if both ends of the packaging material 20 constituting the joint-pasting portion CS are heat-sealed in a state shifted from each other, The back surface of the printing layer 22 formed on the other end side of the packaging material 20, that is, the white printing layer 22b is not visually recognized, and the appearance of the palm-attached portion CS is not impaired.

即ち、包材２０の両端部の内面同士を重ね合わせて合掌貼りする際、例えば、図６（ａ）に示すように、印刷層が形成されておらず、透明になっている包材２０の一端側が、基材フィルム２１の外面側に印刷層２２が形成されている包材２０の他端側に比べて短くなるように、包材２０同士の重ね合わせ部分がずれていた場合であっても、その合掌貼り部分ＣＳを折り曲げた状態では、同図（ｂ）に示すように、基材フィルム２１の外面側に印刷層２２が形成された包材２０における他端側が、透明になっている包材２０の一端側を完全に覆い隠すように、印刷層２２の外面が外側を向くことになるので、合掌貼り部分ＣＳにおいて、印刷層２２の裏面が視認されることはなく、逆に、図７（ａ）に示すように、基材フィルム２１の外面側に印刷層２２が形成されている包材２０の他端側が、印刷層が形成されておらず、透明になっている包材２０の一端側に比べて短くなるように、包材２０同士の重ね合わせ部分がずれていた場合、その合掌貼り部分ＣＳを折り曲げた状態では、同図（ｂ）に示すように、その合掌貼り部分ＣＳの先端部分については、包材２０の一端側の裏面が外側を向くことになるが、包材２０の一端側には印刷層が形成されていないので、合掌貼り部分ＣＳにおいて、印刷層２２の裏面が視認されることはない。   That is, when the inner surfaces of both ends of the packaging material 20 are overlapped and bonded together, for example, as shown in FIG. 6A, the printing layer is not formed and the packaging material 20 is transparent. It is a case where the overlapping portions of the packaging materials 20 are shifted so that one end side is shorter than the other end side of the packaging material 20 in which the printing layer 22 is formed on the outer surface side of the base film 21. However, in the state where the palm-attached portion CS is bent, the other end side of the packaging material 20 in which the printing layer 22 is formed on the outer surface side of the base film 21 is transparent as shown in FIG. Since the outer surface of the printing layer 22 faces outward so as to completely cover one end side of the packaging material 20 that is present, the back surface of the printing layer 22 is not visually recognized in the palm-pasted portion CS. As shown in FIG. 7A, on the outer surface side of the base film 21 The packaging material 20 is overlapped so that the other end side of the packaging material 20 on which the printing layer 22 is formed is shorter than the one end side of the packaging material 20 that is not formed with a printing layer and is transparent. When the mating portion is displaced, in the state where the palm-pasted portion CS is bent, as shown in FIG. 5B, the back surface on one end side of the packaging material 20 is outside the tip portion of the palm-pasting portion CS. However, since the printed layer is not formed on one end side of the packaging material 20, the back surface of the printed layer 22 is not visually recognized in the palm-attached portion CS.

また、このオーバーラップ包装体１の包装方法では、合掌貼りするために、包材２０の両端部同士を重ね合わせ、その重ね合わせ部分を熱圧する際、基材フィルム２１の外面側に印刷層２２が形成されている包材２０の他端側が、印刷層２２の溶融等により劣化を生じる温度以上に加熱されないように、基材フィルム２１に接触するシールローラＳＲ１の温度が、印刷層２２に接触するシールローラＳＲ２の温度より高く設定されているので、包材２０の他端側に形成された印刷層２２が基材フィルム２１から剥がれてシールローラＳＲ２に付着することがなく、合掌貼り部分ＣＳの美観が損なわれることがない。   Moreover, in this packaging method of the overlap packaging body 1, the two ends of the packaging material 20 are overlapped with each other, and when the overlapped portion is hot-pressed, the printed layer 22 is formed on the outer surface side of the base film 21. The temperature of the seal roller SR1 in contact with the base film 21 is in contact with the printing layer 22 so that the other end side of the packaging material 20 on which the film is formed is not heated to a temperature that causes deterioration due to melting of the printing layer 22 or the like. Since the temperature is set to be higher than the temperature of the sealing roller SR2, the printed layer 22 formed on the other end side of the packaging material 20 is not peeled off from the base film 21 and attached to the sealing roller SR2, and the palm-attached portion CS The aesthetic of is not spoiled.

なお、上述した実施形態では、基材フィルム２１の外面側に印刷層２２を形成した包材２０を用いてオーバーラップ包装を施したオーバーラップ包装体１について説明したが、これに限定されるものではなく、合掌貼りすることができるのであれば、例えば、基材フィルムの内面側に印刷層が形成された包材を用いてオーバーラップ包装を施したオーバーラップ包装体についても、本発明を適用することができる。ただし、そういった包材を使用する場合は、包材を合掌貼りする際、シールローラに印刷層が付着することはないので、包材における印刷層が形成されているほうの端部に接触するシールローラの温度を低く設定しておく必要はない。   In addition, in embodiment mentioned above, although the overlap package 1 which performed the overlap packaging using the packaging material 20 which formed the printing layer 22 in the outer surface side of the base film 21 was demonstrated, it is limited to this However, if it can be glued together, for example, the present invention is also applied to an overlap package in which an overlap package is applied using a packaging material in which a printed layer is formed on the inner surface side of the base film. can do. However, when such a packaging material is used, the printing layer does not adhere to the sealing roller when the packaging material is affixed, so the seal that contacts the end of the packaging material on which the printing layer is formed It is not necessary to set the roller temperature low.

また、上述した実施形態では、基材フィルム２１に形成される印刷層２２が、表示印刷層２２ａ及び白色印刷層２２ｂによって構成されているが、これに限定されるものではなく、白色印刷層を備えていない表示印刷層のみからなる印刷層が形成されている包材を使用する場合についても、本発明を適用することによって、同様の効果を得ることができる。   Moreover, in embodiment mentioned above, although the printing layer 22 formed in the base film 21 is comprised by the display printing layer 22a and the white printing layer 22b, it is not limited to this, A white printing layer is used. The same effect can be obtained by applying the present invention to the case of using a packaging material in which a printing layer consisting only of a display printing layer that is not provided is formed.

また、上述した実施形態では、包材２０を合掌貼りする際、基材フィルム２１の外面側に印刷層２２が形成されている包材２０の他端側が、印刷層２２の溶融温度以上に加熱されないように、温度の異なる双方のシールローラＳＲ１、ＳＲ２によって、包材２０の重ね合わせ部分を双方から加熱するようにしているが、これに限定されるものではなく、例えば、基材フィルム２１に直接接触するシールローラＳＲ１によって、包材２０の重ね合わせ部分を、印刷層が形成されていない包材２０の一端側から加熱するようにしてもよい。   In the above-described embodiment, when the packaging material 20 is pasted together, the other end side of the packaging material 20 in which the printing layer 22 is formed on the outer surface side of the base film 21 is heated to the melting temperature of the printing layer 22 or higher. In order to prevent this, the overlapping portions of the packaging material 20 are heated from both sides by the seal rollers SR1 and SR2 having different temperatures. However, the present invention is not limited to this. The overlapping portion of the packaging material 20 may be heated from one end side of the packaging material 20 on which the printing layer is not formed by the seal roller SR1 that is in direct contact.

また、上述した実施形態では、被包装体１０がカップ入り即席うどんである場合について説明したが、これに限定されるものではなく、本発明のオーバーラップ包装体及びその包装方法は、種々の被包装体に対して適用することができることはいうまでもない。   Further, in the embodiment described above, the case where the packaged body 10 is instant cupped udon has been described. However, the present invention is not limited to this, and the overlapped package and the packaging method of the present invention are not limited to this. Needless to say, the present invention can be applied to a package.

（ａ）はこの発明にかかるオーバーラップ包装体の一実施形態を示す斜視図、（ｂ）は同上のオーバーラップ包装体を示す側面図である。(A) is a perspective view which shows one Embodiment of the overlap packaging body concerning this invention, (b) is a side view which shows the overlapping packaging body same as the above. （ａ）は同上のオーバーラップ包装体を示す断面図、（ｂ）は同上のオーバーラップ包装体を示す底面図である。(A) is sectional drawing which shows an overlap package body same as the above, (b) is a bottom view which shows an overlap package body same as the above. （ａ）はこの発明にかかるオーバーラップ包装体に使用されている包材の外面側を示す図、（ｂ）は同上の包材の内面側を示す図、（ｃ）は同上の包材を示す断面図である。(A) is a figure which shows the outer surface side of the packaging material used for the overlap packaging body concerning this invention, (b) is a figure which shows the inner surface side of a packaging material same as the above, (c) is a packaging material same as the above. It is sectional drawing shown. （ａ）、（ｂ）は同上のオーバーラップ包装体を製造する際の合掌貼り工程を示す断面図である。(A), (b) is sectional drawing which shows the palm-pasting process at the time of manufacturing an overlapping package body same as the above. （ａ）は被包装体を包材によって包み込んだ状態を示す底面図、（ｂ）、（ｃ）は同上の状態を示す側面図である。(A) is a bottom view which shows the state which wrapped the to-be-packaged body with the packaging material, (b), (c) is a side view which shows the state same as the above. （ａ）、（ｂ）は包材の重ね合わせ部分にずれが生じた状態でヒートシールされた合掌貼り部分を示す断面図である。(A), (b) is sectional drawing which shows the palm-pasted part heat-sealed in the state which the shift | offset | difference produced in the overlapping part of a packaging material. （ａ）、（ｂ）は包材の重ね合わせ部分にずれが生じた状態でヒートシールされた合掌貼り部分を示す断面図である。(A), (b) is sectional drawing which shows the palm-pasted part heat-sealed in the state which the shift | offset | difference produced in the overlapping part of a packaging material. 従来のオーバーラップ包装体における合掌貼り部分を示す断面図である。It is sectional drawing which shows the palm attachment part in the conventional overlap package. （ａ）、（ｂ）は従来のオーバーラップ包装体の問題点を説明するための説明図である。(A), (b) is explanatory drawing for demonstrating the problem of the conventional overlap package.

符号の説明Explanation of symbols

１ オーバーラップ包装体
１０ 被包装体
１１ カップ状容器
１２ 蓋シート
１３ 内容物
２０ 包材
２１ 基材フィルム
２２ 印刷層
２２ａ 表示印刷層
２２ｂ 白色印刷層
ＣＳ 合掌貼り部分
ＳＲ１、ＳＲ２ シールローラ DESCRIPTION OF SYMBOLS 1 Overlap package 10 Package body 11 Cup-shaped container 12 Lid sheet 13 Contents 20 Packaging material 21 Base film 22 Print layer 22a Display print layer 22b White print layer CS Jointed part SR1, SR2 Seal roller

Claims (2)

基材フィルムに印刷層が形成された包材を用いて被包装体にオーバーラップ包装が施されたオーバーラップ包装体において、
前記包材は、前記基材フィルムに印刷層が形成されていない透明な一端側の内面と、前記基材フィルムに前記印刷層が形成されている他端側の内面とが、相互にヒートシールされた合掌貼り部分を有しており、
前記合掌貼り部分は、透明な前記包材の一端側に折り曲げられ、
前記印刷層が形成されていない前記包材の一端側が、前記印刷層が形成されている前記包材の他端側と合掌貼り以外の部分との間に介在していることを特徴とするオーバーラップ包装体。 In the overlap package in which the overlap packaging is applied to the package body using the packaging material in which the printing layer is formed on the base film,
In the packaging material, a transparent inner surface on one end side where the printed layer is not formed on the base film and an inner surface on the other end side where the printed layer is formed on the base film are heat-sealed with each other. Has a hand-clad pasted part,
The palm-pasted part is folded to one end side of the transparent packaging material ,
One end side of the packaging material in which the printing layer is not formed is interposed between the other end side of the packaging material in which the printing layer is formed and a portion other than the hand-pasting. Wrapped packaging. 前記印刷層が前記基材フィルムの外面側に形成されている前記包材を用いて被包装体にオーバーラップ包装が施された請求項１に記載のオーバーラップ包装体の包装方法であって、
前記包材の透明な一端側の内面と前記包材の他端側の内面とを重ね合わせ、その重ね合わせ部分を熱圧することによって、前記合掌貼り部分を形成する際、主として、前記包材の透明な一端側から加熱するようにしたことを特徴とするオーバーラップ包装体の包装方法。 The method for packaging an overlap package according to claim 1, wherein the packaging material is subjected to overlap packaging using the packaging material formed on the outer surface side of the base film.
When forming the joint-pasted portion by superposing the transparent inner surface of the one end side of the packaging material and the inner surface of the other end side of the packaging material and heat-pressing the overlapping portion, A method for packaging an overlapped package, wherein heating is performed from one transparent end.
JP2004135013A 2004-04-30 2004-04-30 Overlap package and packaging method thereof Expired - Fee Related JP4358677B2 (en)

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