JPH09156663A - Partially unsealable lid material - Google Patents
Partially unsealable lid materialInfo
- Publication number
- JPH09156663A JPH09156663A JP7315423A JP31542395A JPH09156663A JP H09156663 A JPH09156663 A JP H09156663A JP 7315423 A JP7315423 A JP 7315423A JP 31542395 A JP31542395 A JP 31542395A JP H09156663 A JPH09156663 A JP H09156663A
- Authority
- JP
- Japan
- Prior art keywords
- partial opening
- outer layer
- tab
- base material
- lid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Closures For Containers (AREA)
- Containers Opened By Tearing Frangible Portions (AREA)
Abstract
Description
【０００１】[0001]
【発明の技術分野】この発明は、密封容器の蓋材、特に
部分開封可能な蓋材に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lid for a sealed container, and more particularly to a lid that can be partially opened.
【０００２】[0002]
【従来の技術】従来から、蓋の一部分だけを飲み口やス
トロー挿入口として部分的に開口し、容器には蓋又は蓋
の基材をそのまま残しておくようにしたものが知られて
いる。2. Description of the Related Art Heretofore, there has been known an apparatus in which only a part of a lid is partially opened as a drinking port or a straw insertion port, and a lid or a base material of the lid is left as it is in a container.
【０００３】上記のような形態で最も単純な構造は、予
め蓋に部分開口を設けておき、この開口をラベルで封止
して、必要なときにこのラベルを剥離するものである。[0003] The simplest structure in the above-described form is to provide a partial opening in the lid in advance, seal the opening with a label, and peel off the label when necessary.
【０００４】しかしながら、上記のような構造では、部
分開口を形成した上にラベルを接着する手間がかかり、
また開口の抜き屑の処理も必要でコスト高になる問題が
ある。[0004] However, in the above-described structure, it takes time and labor to bond a label after forming a partial opening.
In addition, it is necessary to process scraps from the opening, which causes a problem of high cost.
【０００５】[0005]
【発明の課題】そこで、容器にヒートシールされる基材
と外層材を接着力の弱い易剥離層を介して積層し、前記
基材に部分開口を区画するミシン目等の不連続切り目線
を設け、この区画内のみは前記外層材と強く接着し、外
層材を基材から剥離して行くと、部分開口を区画した範
囲の基材のみが外層材に接着したままミシン目に沿って
破断し、外層材を完全に剥離すると、容器にヒートシー
ルされたまま残った基材に部分開口が形成されるように
した蓋材が提案されている（例えば、特開昭６２−２０
８３７５号公報）。Accordingly, a base material to be heat-sealed in a container and an outer layer material are laminated via an easily peelable layer having a low adhesive strength, and a discontinuous cut line such as a perforation which defines a partial opening is formed on the base material. Only the inside of this section is strongly adhered to the outer layer material, and when the outer layer material is peeled off from the base material, only the base material in the area defining the partial opening is broken along the perforation while being adhered to the outer layer material Then, a lid material has been proposed in which, when the outer layer material is completely peeled off, a partial opening is formed in the base material remaining heat-sealed in the container (for example, JP-A-62-20).
No. 8375).
【０００６】しかしながら、このような蓋材では、外層
材と基材との接着力、基材と容器との接着力、部分開口
を区画する部分の外層材と基材の接着力の三者を適当に
調節しなければ、外層材を剥離しながら部分開口を形成
することをスムーズに行なうことができない問題があ
る。However, in such a lid material, the adhesive force between the outer layer material and the base material, the adhesive force between the base material and the container, and the adhesive force between the outer layer material and the base material in the portion defining the partial opening are reduced. Unless properly adjusted, there is a problem that it is not possible to form a partial opening while peeling the outer layer material smoothly.
【０００７】この発明の課題は、接着力の調節が簡単で
コスト的にも有利に部分開口を形成可能にすることであ
る。An object of the present invention is to make it possible to form a partial opening with a simple adjustment of the adhesive force and at a cost advantage.
【０００８】[0008]
【課題の解決手段】上記の課題を解決するために、この
発明は、ヒートシール可能な基材と外層材を易剥離層に
よって積層した積層体にタブを設けた蓋材において、前
記タブの基部と部分開口を区画する部分に、前記基材を
貫通する連続切り目をそれぞれ設け、前記外層材に、前
記タブの基部両側から前記部分開口の外側を部分開口の
後端を越えて延びる連続貫通切り目を設けたことを特徴
とする。In order to solve the above-mentioned problems, the present invention relates to a lid member in which a tab is provided on a laminated body in which a heat-sealable base material and an outer layer material are laminated by an easily peelable layer, and a base portion of the tab. And continuous cuts that extend through the base material in the portions that define the partial openings, and continuous through cuts that extend from the both sides of the base of the tab to the outside of the partial openings beyond the rear end of the partial openings in the outer layer material. Is provided.
【０００９】上記外層材に設けた切り目によってタブに
連続する剥離片が区画され、タブを引き上げることによ
って、貫通切り目で区画された部分開口の基材部分が剥
離片の剥離と共にそのまま持ち上げられて、部分開口が
形成される。[0009] The cut piece provided in the outer layer material separates the peeling piece continuous from the tab, and by lifting the tab, the base portion of the partial opening defined by the through cut is lifted as it is with the peeling of the peeling piece. A partial opening is formed.
【００１０】[0010]
【実施の形態】以下、この発明の実施形態を添付図面に
基づいて説明する。Embodiments of the present invention will be described below with reference to the accompanying drawings.
【００１１】図１に示すように、蓋材１は、基材２と外
層材３を易剥離層４によって積層したものであり、基材
２の外面には、容器のフランジと熱融着可能なヒートシ
ール層２ａが設けられている。勿論基材２にヒートシー
ル性があれば、このヒートシール層２ａを省略すること
ができる。As shown in FIG. 1, the lid member 1 is formed by laminating a base material 2 and an outer layer material 3 with an easily peelable layer 4, and the outer surface of the base material 2 can be thermally fused to a flange of a container. Heat seal layer 2a is provided. Of course, if the substrate 2 has a heat sealing property, the heat sealing layer 2a can be omitted.
【００１２】前記蓋材１には、その外周から突出するタ
ブ６が設けられており、このタブ６の基部裏面には、図
２に示すように、蓋材１の外周に沿った連続切り目７が
設けられている。この切り目７は、ヒートシール層２ａ
及び基材２を貫通している（図１）。The cover 1 is provided with a tab 6 protruding from the outer periphery thereof, and a continuous cut 7 along the outer periphery of the cover 1 is provided on the base rear surface of the tab 6 as shown in FIG. Is provided. The cut 7 is formed in the heat seal layer 2a.
And the substrate 2 (FIG. 1).
【００１３】さらに、前記蓋材１の裏面には、前記切り
目７と同様に、ヒートシール層２ａ及び基材２を貫通
し、かつ部分開口８を区画する連続切り目９が設けられ
ている。Further, on the back surface of the lid 1, similarly to the cut 7, a continuous cut 9 that penetrates the heat seal layer 2 a and the base material 2 and defines a partial opening 8 is provided.
【００１４】前記蓋材１の表面側には、部分開口８の両
側にほぼ並行な切り目１０が設けられ、剥離片１１を区
画している。この切り目１０は、蓋材１の周縁から、内
側方向に部分開口８の内端８ａを越えて延びている。On the front side of the lid member 1, cuts 10 are provided substantially parallel to both sides of the partial opening 8, and separate the strips 11 from each other. The cut 10 extends inward from the peripheral edge of the lid 1 beyond the inner end 8 a of the partial opening 8.
【００１５】前記剥離片１１の長さＡは、図３に示すよ
うに、剥離片１１の後端からタブ６の反対側の蓋材周縁
までの間隔Ｂとほぼ等しくしておくのが好ましい。As shown in FIG. 3, the length A of the strip 11 is preferably substantially equal to the distance B from the rear end of the strip 11 to the peripheral edge of the cover opposite to the tab 6.
【００１６】上記切り目７、９は、層２、２ａ、３、４
から成る積層体を形成した後に、ハーフカットの手法で
形成するのがよく、その場合の基材２の厚みは、８μｍ
以上が好ましく、切断時の正確性やクッション性等を考
慮すると、外層材３の厚みは、２５μｍ以上が好まし
い。また外層材３の厚みがこれ以上あると、手でつまん
で剥離する場合に適当な剛性が付与され、容易に剥離す
ることができる。The cuts 7 and 9 correspond to the layers 2, 2a, 3 and 4
It is preferable to form the laminate by half-cutting after forming the laminate composed of the above. In this case, the thickness of the base material 2 is 8 μm.
The thickness is preferably 25 μm or more in consideration of the accuracy at the time of cutting, cushioning property, and the like. If the thickness of the outer layer material 3 is more than this, appropriate rigidity is provided when the outer layer material 3 is pinched and peeled by hand, and the outer layer material 3 can be easily peeled.
【００１７】前記切り目１０もハーフカットで形成する
場合は、切断時のクッション性等を考慮すると、基材２
の厚みは２５μｍ以上が好ましい。In the case where the cut 10 is also formed by half-cutting, the base material 2 may be formed in consideration of cushioning properties at the time of cutting.
Is preferably 25 μm or more.
【００１８】前記基材２は、ポリエステル、ポリプロピ
レン、ポリエチレン等の合成樹脂フィルム単体でもよい
が、それらの積層体であってもよい。The substrate 2 may be a single synthetic resin film such as polyester, polypropylene, polyethylene or the like, or a laminate thereof.
【００１９】前記外層材３は、上質紙、純白ロール紙、
コート紙などの紙、アルミニウム箔のような金属箔、ポ
リエステル、ポリプロピレン、ポリエチレンなどの合成
樹脂フィルム等の単体でもよいが、それらの積層体であ
ってもよい。その一例を図４に示す。図４中、符号３１
はポリエステルフィルム、３２は接着剤、３３はアルミ
ニウム箔、３４は接着剤、３５はポリエステルフィルム
である。The outer layer material 3 is made of high quality paper, pure white roll paper,
Paper such as coated paper, metal foil such as aluminum foil, synthetic resin film such as polyester, polypropylene, and polyethylene may be used alone, or a laminate thereof. An example is shown in FIG. In FIG.
Is a polyester film, 32 is an adhesive, 33 is an aluminum foil, 34 is an adhesive, and 35 is a polyester film.
【００２０】前記易剥離層４は、手で容易に剥離できる
程度に接着力の弱い接着剤を用いてもよいが、接着力の
コントロールが難しいため、比較的接着力の弱い樹脂、
例えばアクリル樹脂、ポリアミド樹脂、シリコーン樹脂
などをパートコートすることによって接着力を調整して
もよい。その塗布パターンを図５、(イ) (ロ) (ハ) に示
す。図示のように、前記接着力の弱い樹脂の塗布されて
いない部分４ｂが点状、線状、格子状になり、他の部分
４ａには樹脂が塗布されている。従って部分４ｂにおい
て、通常の接着剤が充填され、図１のように基材２と外
層材３を接着することになる。The easily peelable layer 4 may be made of an adhesive having a weak adhesive strength such that it can be easily peeled off by hand. However, since it is difficult to control the adhesive strength, a resin having a relatively weak adhesive strength can be used.
For example, the adhesive force may be adjusted by part-coating an acrylic resin, a polyamide resin, a silicone resin, or the like. The application pattern is shown in FIGS. 5 (a), (b) and (c). As shown in the figure, the portion 4b where the resin having a low adhesive strength is not applied becomes a dot, a line or a lattice, and the other portion 4a is coated with the resin. Therefore, the normal adhesive is filled in the portion 4b, and the base material 2 and the outer layer material 3 are bonded as shown in FIG.
【００２１】上記のような蓋材１の形状は、蓋材１をヒ
ートシールする容器開口部の形状に対応して選択すれば
よい。また、部分開口８の形状も任意であるが、図２、
図３のように、蓋材１の外周に向って先細にしておくと
喫飲し易い。さらに、切り目１０も、部分開口８の側縁
に並行である必要はない。但し、部分開口８の周辺から
適当な間隔をおいて、必要最小限の大きさの剥離片１１
を形成できるようにしておくのが好ましい。The shape of the lid 1 as described above may be selected according to the shape of the container opening for heat-sealing the lid 1. Further, although the shape of the partial opening 8 is arbitrary, FIG.
As shown in FIG. 3, if the lid member 1 is tapered toward the outer periphery, it is easy to drink. Furthermore, the cut 10 need not be parallel to the side edge of the partial opening 8. However, at an appropriate distance from the periphery of the partial opening 8, the required minimum size of the strip 11
Is preferably formed.
【００２２】上記蓋材１は、図６及び図７に示すよう
に、容器２０のフランジ２１にヒートシールすると、密
封容器が形成され、開封する場合には、タブ６を手でつ
まんで引き上げると、まず切り目７の部分で易剥離層４
が露出するため、さらに引張ることによって、外層材４
と基材２が切り目１０に沿って分離する。そして、切り
目９の部分に達すると、切り目９に区画された基材１の
部分が外層材３に接着したまま持ち上げられ、開口８が
形成され、同時にタブ６を有する剥離片１１が形成され
る。この剥離片１１は、その後端縁１１ａが蓋材１に接
続されてヒンジとなり、部分開口８の開閉自在の蓋にす
ることができる。As shown in FIGS. 6 and 7, when the lid 1 is heat-sealed to the flange 21 of the container 20, a sealed container is formed. When the lid 1 is opened, the tab 6 is grasped by hand and pulled up. First, the easily peelable layer 4 is formed at the cut 7.
The outer layer material 4 is exposed by further pulling.
And the substrate 2 are separated along the cut 10. Then, when the portion of the cut 9 is reached, the portion of the base material 1 partitioned by the cut 9 is lifted while being adhered to the outer layer material 3, and the opening 8 is formed, and at the same time, the release piece 11 having the tab 6 is formed. . The peeling piece 11 has a rear edge 11a connected to the lid member 1 to form a hinge, so that the partial opening 8 can be opened and closed.
【００２３】上記外層材３又は基材２を保形性の良好な
材料で形成しておくと、剥離片１１で部分開口８を閉
じ、タブ６をフランジ２１の下面に折り込むことによっ
て、部分開口８を閉じた状態を保持することができ、必
要に応じてタブ６をフランジ２１から外すことによって
部分開口８を開くことができる。If the outer layer material 3 or the base material 2 is formed of a material having good shape retention, the partial opening 8 is closed by the peeling piece 11, and the tab 6 is folded into the lower surface of the flange 21. 8 can be kept closed, and the partial opening 8 can be opened by removing the tab 6 from the flange 21 as needed.
【００２４】[0024]
【効果】この発明によれば、以上のように、外層材と基
材を易剥離層によって積層し、タブの基部と、部分開口
を区画する部分に、前記基材を貫通する連続切り目を設
け、前記部分開口の両側外側で、タブの基部両側に、外
層材を貫通し、かつ前記部分開口の後端よりも長く延び
る剥離片用の切り目を設けたので、タブを引き上げるこ
とによって、剥離片用の切り目に沿って外層材が基材か
ら易剥離層により簡単に剥離すると共に、部分開口を区
画する部分に貫通切り目があるため、その部分のみ基材
が剥離片に接着したまま持ち上げられ、極めて容易に部
分開口を形成することができ、そのために基材の容器へ
の接着力や易剥離層の接着力などの強さ程度を互に調整
する必要は全くない。According to the present invention, as described above, the outer layer material and the base material are laminated by the easy peeling layer, and the base portion of the tab and the portion defining the partial opening are provided with continuous cuts penetrating the base material. Since the notch for the peeling piece that penetrates the outer layer material and extends longer than the rear end of the partial opening is provided on both sides of the base of the tab on both sides of the partial opening, the peeling piece can be pulled up by pulling the tab. While the outer layer material is easily peeled from the base material along the cut for the easy peeling layer, there is a through cut in the part that defines the partial opening, so only that part is lifted while the base material is adhered to the peeling piece, The partial openings can be formed extremely easily, and for that reason, it is not necessary to adjust the strengths such as the adhesive strength of the base material to the container and the adhesive strength of the easily peelable layer to each other.
【００２５】さらに、前記剥離片を部分開口の開閉蓋と
して利用することもできる。Further, the peeling piece can be used as a lid for opening and closing a partial opening.
【図１】この発明の蓋材の一例を示す断面図FIG. 1 is a sectional view showing an example of a lid member of the present invention.
【図２】同上の裏面図FIG. 2 is a rear view of the above.
【図３】同上の表面図FIG. 3 is a surface view of the above.
【図４】蓋材の外層材の一例を示す断面図FIG. 4 is a cross-sectional view showing an example of an outer layer material of the lid material.
【図５】接着力の弱い樹脂の塗布パターンを示す平面図FIG. 5 is a plan view showing an application pattern of a resin having a weak adhesive force.
【図６】蓋材の開封状態を示す断面図FIG. 6 is a cross-sectional view showing an opened state of the lid member.
【図７】同上の斜視図FIG. 7 is a perspective view of the above.
１ 蓋材 ２ 基材 ２ａ ヒートシール層 ３ 外層材 ４ 易剥離層 ４ａ 接着力の弱い樹脂層 ４ｂ 接着力の弱い樹脂層のない部分 ６ タブ ７ 貫通切り目 ８ 部分開口 ８ａ 部分開口の後端 ９ 貫通切り目 １０ 貫通切り目 １１ 剥離片 ２０ 容器 ２１ フランジ DESCRIPTION OF SYMBOLS 1 Cover material 2 Base material 2a Heat seal layer 3 Outer layer material 4 Easy peeling layer 4a Resin layer with weak adhesive strength 4b Part without resin layer with weak adhesive strength 6 Tab 7 Penetration cut 8 Partial opening 8a Rear end 9 of partial opening 9 Penetration Cut 10 Through cut 11 Peeling piece 20 Container 21 Flange
フロントページの続き (72)発明者 中島 祥雄 大阪府東大阪市渋川町１丁目13番22号 株 式会社メタルカラー内 (72)発明者 石田 力朗 奈良県磯城郡田原本町大字味間820番地 石田レーベル株式会社内 (72)発明者 山本 政史 大阪市中央区久太郎町三丁目６番８号 東 洋アルミニウム株式会社内Front page continuation (72) Inventor Yoshio Nakajima 1-13-22 Shibukawa-cho, Higashi-Osaka City, Osaka Prefecture Metal Color Co., Ltd. Label Co., Ltd. (72) Inventor Masafumi Yamamoto 3-6-8, Kutaro-cho, Chuo-ku, Osaka Toyo Aluminum Co., Ltd.
Claims (1)
離層によって積層した積層体にタブを設けた蓋材におい
て、前記タブの基部と部分開口を区画する部分に、前記
基材を貫通する連続切り目をそれぞれ設け、前記外層材
に、前記タブの基部両側から前記部分開口の外側を部分
開口の後端を越えて延びる連続貫通切り目を設け、これ
によって剥離片を区画したことを特徴とする部分開封可
能な蓋材。1. A lid member having a tab provided on a laminate in which a heat-sealable base material and an outer layer material are laminated by an easy peeling layer, and the base material is penetrated into a portion that defines a base portion and a partial opening of the tab. Continuous cuts are provided on the outer layer material, and continuous peeling cuts extending from both sides of the base of the tab to outside the partial opening beyond the rear end of the partial opening are provided in the outer layer material, thereby partitioning the peeling piece. A lid material that can be partially opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7315423A JP2755566B2 (en) | 1995-12-04 | 1995-12-04 | Partially openable lid material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7315423A JP2755566B2 (en) | 1995-12-04 | 1995-12-04 | Partially openable lid material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09156663A true JPH09156663A (en) | 1997-06-17 |
| JP2755566B2 JP2755566B2 (en) | 1998-05-20 |
Family
ID=18065206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7315423A Expired - Lifetime JP2755566B2 (en) | 1995-12-04 | 1995-12-04 | Partially openable lid material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2755566B2 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003081318A (en) * | 2001-09-07 | 2003-03-19 | Toyo Seikan Kaisha Ltd | Can body with seal cover |
| JP2006069601A (en) * | 2004-09-01 | 2006-03-16 | Toppan Printing Co Ltd | Lid material with function for holding opening condition |
| JP2007168906A (en) * | 2007-01-22 | 2007-07-05 | Nissin Food Prod Co Ltd | Lid material with hot water draining hole |
| JP2008247439A (en) * | 2007-03-30 | 2008-10-16 | Dainippon Printing Co Ltd | Sheet lid of packaging container |
| JP2010184731A (en) * | 2009-02-12 | 2010-08-26 | Glico Dairy Products Co Ltd | Food and drink in container provided with protected straw insertion section |
| JP2011031942A (en) * | 2009-07-31 | 2011-02-17 | Pola Chemical Industries Inc | Lid label and cosmetic agent |
| JP2012236609A (en) * | 2011-05-10 | 2012-12-06 | Showa Aluminum Kan Kk | Lid member, beverage container, and closing member |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02117369U (en) * | 1989-03-07 | 1990-09-20 | ||
| JP3072660U (en) * | 2000-04-19 | 2000-10-24 | 功司 石塚 | Impotence treatment ring |
-
1995
- 1995-12-04 JP JP7315423A patent/JP2755566B2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02117369U (en) * | 1989-03-07 | 1990-09-20 | ||
| JP3072660U (en) * | 2000-04-19 | 2000-10-24 | 功司 石塚 | Impotence treatment ring |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003081318A (en) * | 2001-09-07 | 2003-03-19 | Toyo Seikan Kaisha Ltd | Can body with seal cover |
| JP2006069601A (en) * | 2004-09-01 | 2006-03-16 | Toppan Printing Co Ltd | Lid material with function for holding opening condition |
| JP2007168906A (en) * | 2007-01-22 | 2007-07-05 | Nissin Food Prod Co Ltd | Lid material with hot water draining hole |
| JP2008247439A (en) * | 2007-03-30 | 2008-10-16 | Dainippon Printing Co Ltd | Sheet lid of packaging container |
| JP2010184731A (en) * | 2009-02-12 | 2010-08-26 | Glico Dairy Products Co Ltd | Food and drink in container provided with protected straw insertion section |
| JP2011031942A (en) * | 2009-07-31 | 2011-02-17 | Pola Chemical Industries Inc | Lid label and cosmetic agent |
| JP2012236609A (en) * | 2011-05-10 | 2012-12-06 | Showa Aluminum Kan Kk | Lid member, beverage container, and closing member |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2755566B2 (en) | 1998-05-20 |
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