JP4855066B2 - Plastic bag body - Google Patents

Plastic bag body Download PDF

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JP4855066B2
JP4855066B2 JP2005371636A JP2005371636A JP4855066B2 JP 4855066 B2 JP4855066 B2 JP 4855066B2 JP 2005371636 A JP2005371636 A JP 2005371636A JP 2005371636 A JP2005371636 A JP 2005371636A JP 4855066 B2 JP4855066 B2 JP 4855066B2
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adhesive
bag body
band layer
width direction
chuck
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JP2007168881A (en
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隆之 野口
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Seisan Nipponsha KK
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Seisan Nipponsha KK
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本発明は、袋体の開口部を再開閉するための雌雄咬合型チャックと、このチャックの下方に剥離性の粘着帯層による密閉手段を備えた合成樹脂製袋体に関するものである。   The present invention relates to a male / female occlusal chuck for re-opening and closing an opening of a bag body and a synthetic resin bag body provided with a sealing means by a peelable adhesive band layer below the chuck.

図４で示すように袋体１の開口部２に開閉可能なチャック３を備え、このチャック３より下方に剥離性の粘着帯層８による密閉手段を前記チャック３と平行して設けた合成樹脂製袋体が提供されている。   As shown in FIG. 4, a synthetic resin provided with an openable / closable chuck 3 in the opening 2 of the bag body 1 and provided with a sealing means in parallel with the chuck 3 below the chuck 3 by a peelable adhesive band layer 8. A bag-making body is provided.

前記粘着帯層８による密閉手段の目的は、チャック３が開いた状態であっても袋体内を気密状態を維持することや袋体内の包入物が液体あるいは水物の場合に液体が外部に浸出することを防止することである。   The purpose of the sealing means by the adhesive band layer 8 is to maintain the airtight state in the bag body even when the chuck 3 is opened, or when the inclusion in the bag is liquid or water, the liquid is exposed to the outside. It is to prevent leaching.

しかしながら、粘着帯層８による密閉手段は、いわゆるベタシールであり、強力な粘着力を有する粘着帯層８では、袋体内から外部への液体の浸出防止機能を有しているが、図５で示すように、開口部２側からの粘着帯層８の剥離はチャック３側の端縁線上の粘着面積が大きい全面となるため開口部２側からの粘着帯層８の剥離は容易ではないという問題を有する。   However, the sealing means by the adhesive band layer 8 is a so-called solid seal, and the adhesive band layer 8 having a strong adhesive force has a function of preventing liquid from leaching from the inside of the bag to the outside. Thus, since peeling of the adhesive band layer 8 from the opening 2 side becomes the entire surface having a large adhesive area on the edge line on the chuck 3 side, the peeling of the adhesive band layer 8 from the opening 2 side is not easy. Have

開口部２側からの粘着帯層８の剥離を容易にするには、粘着帯層８の粘着強度を１．０〜１．５ｋｇ／１５ｍｍとすることにより満足するが、粘着帯層８の両端のサイドシールとの重なり部分及び内容物側からの強度に対しては不足であり、従って、内容物の種類、重量、充填率等が限定されてしまう欠点がある。この欠点を解消するには粘着帯層８の粘着強度を２．０〜２．５ｋｇ／１５ｍｍ以上とすることで満足するが、上記のような問題を有することになる。
実公昭６２−３８９２０公報 特開平２−２４２７４８公報 実開平６−１４０４４公報 In order to facilitate the peeling of the adhesive band layer 8 from the opening 2 side, it is satisfied by setting the adhesive strength of the adhesive band layer 8 to 1.0 to 1.5 kg / 15 mm. There is a deficiency in the strength from the overlapping part with the side seal and the strength from the contents side, and therefore the kind, weight, filling rate and the like of the contents are limited. In order to eliminate this defect, it is satisfied by setting the adhesive strength of the adhesive band layer 8 to 2.0 to 2.5 kg / 15 mm or more, but it has the above-mentioned problems.
Japanese Utility Model Publication 62-38920 JP-A-2-242748 Japanese Utility Model Laid-Open No. 6-14044

本発明は、チャック下方に位置する剥離性の粘着帯層の粘着強度を高め、開口部側からの剥離を容易にし、かつ袋体内部からの剥離を防止した合成樹脂製袋体を提供することである。   The present invention provides a synthetic resin bag body in which the peel strength of the peelable adhesive band layer located below the chuck is increased, the peeling from the opening side is facilitated, and the peeling from the inside of the bag body is prevented. It is.

上記の課題を解決するための本発明は、
袋体の開口部に開閉可能なチャックを備えているとともに、その袋体の開口部側であってチャックよりも下方の部位には、前記チャックと平行して袋体の幅方向にわたり、イージピール樹脂またはイージピールテープから形成された剥離性の粘着帯層が密閉手段として設けられており、かつ、その粘着帯層の剥離力が、開口部側からは弱くて袋体内部からは強いものである合成樹脂製袋体において、
袋体の幅方向にわたる前記粘着帯層には、上下に隣接するものであって上位側に位置する非粘着部と下位側に位置する粘着部とがあること、および、
前記粘着帯層において、上下に隣接しているところの非粘着部の下部側と粘着部の上部側には凹凸形状が形成されていて、非粘着部側の非粘着凹凸形状と粘着部側の粘着凹凸形状とが互いにかつ上下に噛み合っていること、および、
前記粘着帯層において、非粘着部における上部が袋体の幅方向沿いに長い非粘着横長形状であるとともに、粘着部における下部が袋体の幅方向沿いに長い粘着横長形状になっていること、および、
前記粘着部における粘着横長形状の下部側に、袋体の幅方向にわたる横長の前記粘着帯層が残存していること
を特徴とするものである。 The present invention for solving the above problems is as follows.
Together provided with an openable and closable chuck opening of the bag body, at a portion lower than an opening portion side chuck of the bladder, across the width direction of the bag body in parallel with the chuck, Ijipiru resin or Iji peel tape peeling of the adhesive band layer formed from have been found provided as sealing means, and the peel strength of the adhesive band layer, the stronger is the inner bag with weak from the opening side In a certain synthetic resin bag,
The adhesive band layer across the width direction of the bag body has a non-adhesive part located on the upper side and an adhesive part located on the lower side , which are adjacent in the vertical direction , and
In the adhesive band layer, an uneven shape is formed on the lower side of the non-adhesive portion and the upper side of the adhesive portion adjacent to each other in the vertical direction, and the non-adhesive uneven shape on the non-adhesive portion side and the adhesive portion side The adhesive uneven shape meshes with each other and up and down, and
In the adhesive band layer, the upper part in the non-adhesive part has a long non-adhesive horizontally long shape along the width direction of the bag body, and the lower part in the adhesive part has a long adhesive horizontal shape along the width direction of the bag body, and,
The horizontally long adhesive band layer extending in the width direction of the bag body remains on the lower side of the adhesive horizontally long shape in the adhesive portion .

本発明によると、剥離性の粘着帯層の粘着強度を高しても、内容物を出し入れする開口の際に粘着帯層が弱い力で剥離することができ、開口部の開口操作を円滑とし、袋体内部からの内容物による剥離を確実に防止を可能とした効果を有している。   According to the present invention, even if the adhesive strength of the peelable adhesive strip layer is increased, the adhesive strip layer can be peeled with a weak force at the time of opening and taking out the contents, and the opening operation of the opening portion is made smooth. In addition, it has an effect that can surely prevent peeling due to the contents from the inside of the bag body.

以下本発明を実施するための最良の形態を図面に基づいて説明する。図１において１は合成樹脂製の袋体であり、その開口部２には再開閉するための雌雄咬合型チャック３と、該チャック３より下方に剥離性の粘着帯層４による密閉手段を備えている。   The best mode for carrying out the present invention will be described below with reference to the drawings. In FIG. 1, reference numeral 1 denotes a synthetic resin bag body. The opening 2 is provided with a male / male occlusion chuck 3 for re-opening and closing and a sealing means by a peelable adhesive band layer 4 below the chuck 3. ing.

本発明は、上記粘着帯層４のチャック３側端縁を粘着部５と非粘着部６とが連続して併合した凹凸形状とし、前記粘着帯層４の剥離力を開口部側からは弱く、袋体内部からは強くしたことを特徴とするものである。   In the present invention, the edge of the adhesive band 4 on the side of the chuck 3 is formed into an uneven shape in which the adhesive part 5 and the non-adhesive part 6 are continuously merged, and the peeling force of the adhesive band layer 4 is weak from the opening side. The bag body is characterized by being strengthened from the inside.

前記粘着帯層４のチャック３側端縁を粘着部５と非粘着部６とが連続して併合した凹凸形状は、図１で例示するように鋸刃状あるいは図３（Ａ）で示すように連続した曲線山状又は図３（Ｂ）で示すように歯車の歯形状等が適当である。   The uneven shape in which the adhesive portion 5 and the non-adhesive portion 6 are continuously merged with the edge of the adhesive band 4 on the chuck 3 side is shown as a saw blade or as shown in FIG. 3A. A curved mountain shape that is continuous with each other or a tooth shape of a gear as shown in FIG.

また、前記粘着帯層４の凹凸形状は、袋体の幅方向全体に形成してもよいし、袋体の幅方向に部分的に形成してもよい。   Moreover, the uneven | corrugated shape of the said adhesive belt layer 4 may be formed in the whole width direction of a bag body, and may be partially formed in the width direction of a bag body.

前記粘着帯層４は、イージピール樹脂又はイージピールテープあるいは、それに準じた加工方法によるのものであり、２．０〜２．５ｋｇ／１５ｍｍ以上の高い粘着強度を確保するよう設定する。   The adhesive band 4 is formed by an easy peel resin, an easy peel tape, or a processing method according to the easy peel resin, and is set to ensure a high adhesive strength of 2.0 to 2.5 kg / 15 mm or more.

本発明は上記の通りの構造であるから、粘着帯層４の剥離力は開口部側からは弱く、袋体内部からは強い状態となる。その根拠は、粘着帯層４のチャック３側端縁を粘着部５と非粘着部６とが併合した凹凸形状であるため、開口部側から剥がす瞬間は凹凸形状の頂点より剥離開始される。例えば、図１及び図２で示すように、凹凸形状が鋸刃状の場合、図２で示すように、粘着層面積が極めて小さい三角形の頂点７から剥離が開始される。従って、簡単に剥離のきっかけができ、弱い力で剥離し容易に開口することができる。   Since the present invention has the structure as described above, the peeling force of the adhesive band 4 is weak from the opening side and strong from the inside of the bag. The reason for this is the uneven shape in which the adhesive portion 5 and the non-adhesive portion 6 are merged at the chuck 3 side edge of the adhesive band layer 4, so that peeling starts from the apex of the uneven shape at the moment of peeling from the opening side. For example, as shown in FIG. 1 and FIG. 2, when the uneven shape is a saw blade shape, as shown in FIG. 2, peeling starts from a triangular vertex 7 having a very small adhesive layer area. Therefore, the peeling can be easily triggered, and the peeling can be easily performed with a weak force.

また、粘着帯層４の袋体内側の端縁は、粘着層面大きい線で剥離力を受けるため、チャック３側の端縁よりも高い強度が保持され内容物や内容物に含有する油性分などの液体の浸透による毛細現象による剥離を防止する。   Moreover, since the edge inside the bag body of the adhesive belt layer 4 receives a peeling force with a large line on the adhesive layer surface, the strength higher than the edge on the chuck 3 side is maintained, and the oil content contained in the contents and the contents, etc. Prevents peeling due to capillarity due to liquid penetration.

従って、袋体１内の包入物が液体あるいは水物の場合に液体が外部に浸出することを確実に防止することができる上に、粘着帯層４の両端のサイドシールとの重なり部分の強度が十分に得られ、内容物の種類、重量、充填率等を限定することなく包入することができる。また、構造も簡単であり、この種の従来の袋体における問題点を改善した効果大なる袋体を直ちに実現することが可能である。   Therefore, when the inclusion in the bag body 1 is liquid or water, it is possible to surely prevent the liquid from leaching to the outside, and in addition to the overlapping portion of the adhesive band layer 4 with the side seals at both ends. Enough strength can be obtained, and it can be included without limiting the type, weight, filling rate, etc. of the contents. In addition, the structure is simple, and it is possible to immediately realize a bag body having a large effect by improving the problems in this type of conventional bag body.

本発明の袋体１は、上記のような液体や水物ので包入物の包入に適しているが、液体や水物以外の粉体や微粒体、その他各種の包入商品を包入する袋体にも適用することもできる。   The bag body 1 of the present invention is suitable for the inclusion of inclusions because of the liquid and water as described above, but it contains powders and fine particles other than liquid and water, and other various inclusion products. It can also be applied to the bag body.

本発明による袋体の要部の正面図The front view of the principal part of the bag by this invention 本発明による粘着帯層の剥離原理の説明図Explanatory drawing of the peeling principle of the adhesive belt layer by this invention 粘着帯層の凹凸形状例を示す図The figure which shows the uneven shape example of an adhesion belt layer 従来の粘着帯層を備えた袋体の要部の正面図Front view of main part of bag body provided with conventional adhesive band layer 従来の粘着帯層の不具合の説明図Explanatory diagram of conventional adhesive band defect

１ 袋体
２ 開口部
３ チャック
４ 粘着帯層
５ 粘着部
６ 非粘着部
７ 三角形の頂点 DESCRIPTION OF SYMBOLS 1 Bag body 2 Opening part 3 Chuck 4 Adhesive belt layer 5 Adhesive part 6 Non-adhesive part 7 Triangle vertex

Claims (1)

袋体の開口部に開閉可能なチャックを備えているとともに、その袋体の開口部側であってチャックよりも下方の部位には、前記チャックと平行して袋体の幅方向にわたり、イージピール樹脂またはイージピールテープから形成された剥離性の粘着帯層が密閉手段として設けられており、かつ、その粘着帯層の剥離力が、開口部側からは弱くて袋体内部からは強いものである合成樹脂製袋体において、
袋体の幅方向にわたる前記粘着帯層には、上下に隣接するものであって上位側に位置する非粘着部と下位側に位置する粘着部とがあること、および、
前記粘着帯層において、上下に隣接しているところの非粘着部の下部側と粘着部の上部側には凹凸形状が形成されていて、非粘着部側の非粘着凹凸形状と粘着部側の粘着凹凸形状とが互いにかつ上下に噛み合っていること、および、
前記粘着帯層において、非粘着部における上部が袋体の幅方向沿いに長い非粘着横長形状であるとともに、粘着部における下部が袋体の幅方向沿いに長い粘着横長形状になっていること、および、
前記粘着部における粘着横長形状の下部側に、袋体の幅方向にわたる横長の前記粘着帯層が残存していること
を特徴とする合成樹脂製袋体。 Together provided with an openable and closable chuck opening of the bag body, at a portion lower than an opening portion side chuck of the bladder, across the width direction of the bag body in parallel with the chuck, Ijipiru resin or Iji peel tape peeling of the adhesive band layer formed from have been found provided as sealing means, and the peel strength of the adhesive band layer, the stronger is the inner bag with weak from the opening side In a certain synthetic resin bag,
The adhesive band layer across the width direction of the bag body has a non-adhesive part located on the upper side and an adhesive part located on the lower side , which are adjacent in the vertical direction , and
In the adhesive band layer, an uneven shape is formed on the lower side of the non-adhesive portion and the upper side of the adhesive portion adjacent to each other in the vertical direction, and the non-adhesive uneven shape on the non-adhesive portion side and the adhesive portion side The adhesive uneven shape meshes with each other and up and down, and
In the adhesive band layer, the upper part in the non-adhesive part has a long non-adhesive horizontally long shape along the width direction of the bag body, and the lower part in the adhesive part has a long adhesive horizontal shape along the width direction of the bag body, and,
The horizontally long adhesive band layer extending in the width direction of the bag body remains on the lower side of the adhesive horizontally long shape in the adhesive portion .
JP2005371636A 2005-12-26 2005-12-26 Plastic bag body Active JP4855066B2 (en)

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JP4855066B2 true JP4855066B2 (en) 2012-01-18

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JP2000344251A (en) * 1999-06-03 2000-12-12 Idemitsu Petrochem Co Ltd Bag with meshing device

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