JP2017061339A - Packaging bag and method of providing laser line - Google Patents
Packaging bag and method of providing laser line Download PDFInfo
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- JP2017061339A JP2017061339A JP2016001384A JP2016001384A JP2017061339A JP 2017061339 A JP2017061339 A JP 2017061339A JP 2016001384 A JP2016001384 A JP 2016001384A JP 2016001384 A JP2016001384 A JP 2016001384A JP 2017061339 A JP2017061339 A JP 2017061339A
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- 238000004806 packaging method and process Methods 0.000 title claims abstract description 109
- 238000000034 method Methods 0.000 title claims description 11
- 230000003628 erosive effect Effects 0.000 claims abstract description 349
- 230000002093 peripheral effect Effects 0.000 claims abstract description 18
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 230000000630 rising effect Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 230000001174 ascending effect Effects 0.000 claims description 4
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 4
- 239000004707 linear low-density polyethylene Substances 0.000 claims description 4
- -1 polyethylene terephthalate Polymers 0.000 claims description 4
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 3
- 230000004927 fusion Effects 0.000 claims description 3
- 238000003672 processing method Methods 0.000 abstract description 4
- 230000005855 radiation Effects 0.000 abstract 2
- 239000003814 drug Substances 0.000 description 4
- 235000013305 food Nutrition 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000009820 dry lamination Methods 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
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Abstract
Description
本発明は、レーザー加工を施すことで包装袋を容易に手で開封することができ、引き裂き線が表面と裏面で異なる高さの位置になることで表面と裏面のフィルム積層体の間に指を入れやすく開封し易いようにした包装袋及び該レーザー加工方法に関する。 By applying laser processing, the present invention allows the packaging bag to be easily opened by hand, and the tear line is positioned at different heights on the front and back surfaces, so that a finger is placed between the front and back film laminates. The present invention relates to a packaging bag that can be easily put in and opened and the laser processing method.
医薬品や食品などの包装袋を開封する場合には、はさみなどの刃物を用いて切断し開封するか、包装袋に設けられているノッチ部を始点として手で引き裂いて開封していた。
しかし手で開封する場合にまっすぐ切れないことや、途中までしか開けられないという問題があったためレーザー加工を施してハーフカット線を設けて解消する方法が知られている。
When opening a packaging bag for pharmaceuticals, foods, etc., it was cut and opened with a knife such as scissors, or it was opened by tearing by hand starting from a notch provided in the packaging bag.
However, there is a known method of solving the problem by applying laser processing and providing a half-cut line because there is a problem that it cannot be cut straight when opened by hand or can only be opened halfway.
特許文献１には、表面側に上に凸形状を有する表面ハーフカット線ａと下に凸形状を有する表面ハーフカット線ｂを設け、裏面側に直線状のハーフカット線を設けた包装用袋が記載されている。
特許文献１に記載の発明は左右どちらの方向からでも開封でき、かつ表面と裏面切り口の段差ができるが、凸形状であるため表裏の引き裂き線の段差が大きい箇所と小さい箇所ができる。
The invention described in
特許文献２には、Ｖ字型ハーフカット溝が並列に刻設され、前記Ｖ字型のハーフカット溝の頂点を通るように連続した直線のハーフカット溝が刻設された易開封性包装袋が記載されている。
特許文献２に記載の発明はＶ字型溝に誘導され上下に切り口がずれ、最終的な引き裂き線がまっすぐではなく山と谷を繰り返したジグザグとしたいびつな形状になる。
The invention described in
本発明は、上記したような従来技術の問題点を解決すべくなされたものであって、レーザー加工を表裏で変更することで引き裂いた後の切り口（引き裂き線）が表裏で段違いになりかつ一定した切り裂き線の形状になるため左右表裏を問わず容易に開封が可能である包装袋及びそのレーザー加工方法を提供する。 The present invention has been made to solve the above-described problems of the prior art, and the cut (tear line) after tearing by changing the laser processing on the front and back is uneven and constant. The present invention provides a packaging bag that can be easily opened regardless of the left and right sides and the laser processing method for the packaging bag.
請求項１に係る発明は、フィルム素材からなる一枚のフィルム積層体が折り畳まれ、その周縁部が結合手段により結合して形成され開封を容易にするためにレーザーを照射し、侵食レーザー線を設けた包装袋であって、
前記包装袋に開封を容易にするためにノッチ部が前記周縁部に左右１カ所ずつ対称になるように設け、
前記包装袋の表面或いは裏面のいずれか一方の面には左右のノッチ部の最も内側に位置する点を結んだ線を軸とし、その軸の上下に２本の主侵食レーザー線を対向する周縁部にわたってレーザー照射により設け、前記周縁部の左側のノッチ部を始点とし、前記２本の主侵食レーザー線間に斜め方向の複数の副侵食レーザー線からなる副侵食レーザー線群をレーザー照射により設け、さらに前記周縁部の右側のノッチ部を始点とし、前記２本の主侵食レーザー線間に斜め方向の副侵食レーザー線をレーザー照射により設け、
前記包装袋の他方の面には左右のノッチ部を結んだ主侵食レーザー線をレーザー照射により１以上設け、
前記左側ノッチ部または右側ノッチ部を始点として設ける副侵食レーザー線は、
第一の方向に設けられた複数の侵食線からなる侵食線群と第二の方向に設けられた複数の侵食線からなる他の侵食線群からなり、
第一の方向は右上がりの侵食線であり、第二の方向は右下がりである
または第一の方向は右下がりであり、第二の方向は右上がりである
ことを特徴とする包装袋に関する。
According to the first aspect of the present invention, a film laminate made of a film material is folded, and a peripheral portion thereof is formed by coupling by a coupling means, and is irradiated with a laser to facilitate opening, and an erosion laser beam is generated. A packaging bag provided,
In order to make the packaging bag easier to open, the notch part is provided symmetrically on the peripheral part one by one on the left and right sides,
The periphery of the front or back surface of the packaging bag is a line connecting the innermost points of the left and right notches, and the two main erosion laser lines are opposed to the upper and lower sides of the axis. Provided by laser irradiation over a part, and a sub-erosion laser line group comprising a plurality of oblique sub-erosion laser lines is provided by laser irradiation between the two main erosion laser lines starting from the left notch part of the peripheral edge. Furthermore, starting from the notch portion on the right side of the peripheral edge, an oblique sub-erosion laser line is provided by laser irradiation between the two main erosion laser lines,
One or more main erosion laser beams having left and right notches connected to the other surface of the packaging bag are provided by laser irradiation,
A secondary erosion laser line provided with the left notch or the right notch as a starting point,
An erosion line group consisting of a plurality of erosion lines provided in the first direction and another erosion line group consisting of a plurality of erosion lines provided in the second direction,
A packaging bag characterized in that the first direction is an upward erosion line and the second direction is right-down or first direction is right-down and the second direction is right-up .
請求項２に係る発明は、前記一方の面に設けた２本の主侵食レーザー線間に設ける副侵食レーザー線が、前記軸と１５°から７５°の角度または１６５°から１０５°の角度で交わるように設けることを特徴とする請求項１に記載の包装袋に関する。
According to a second aspect of the present invention, the secondary erosion laser line provided between the two main erosion laser lines provided on the one surface is at an angle of 15 ° to 75 ° or 165 ° to 105 ° with the axis. It is provided so that it may cross, It is related with the packaging bag of
請求項３に係る発明は、前記一方の面に設けた２本の主侵食レーザー線間の間隔は２ｍｍから３０ｍｍであることを特徴とする請求項１または２に記載の包装袋に関する。
The invention according to
請求項４に係る発明は、前記一方の面に設けられた２本の主侵食レーザー線は曲線であることを特徴とする請求項１乃至３に記載の包装袋に関する。
The invention according to
請求項５に係る発明は、前記侵食線群のうち袋の内側に設けられる侵食線群の各侵食線は外側に位置する一端が主侵食レーザー線と接しないことを特徴とする請求項１乃至４に記載の包装袋に関する。
The invention according to
請求項６に係る発明は、前記他方の面に設ける左右のノッチ部を結んだ主侵食レーザー線は曲線であることを特徴とする請求項１乃至５に記載の包装袋に関する。
The invention according to
請求項７に係る発明は、前記他方の面に設ける左右のノッチ部を結んだ主侵食レーザー線は１乃至３本であることを特徴とする請求項１乃至６に記載の包装袋に関する。 A seventh aspect of the present invention relates to the packaging bag according to any one of the first to sixth aspects, wherein the number of main erosion laser lines connecting the left and right notch portions provided on the other surface is one to three.
請求項８に係る発明は、前記結合手段が熱融着である請求項１乃至７に記載の包装袋に関する。
The invention according to claim 8 relates to the packaging bag according to any one of
請求項９に係る発明は、前記結合手段が接着剤である請求項１乃至８に記載の包装袋に関する。
The invention according to claim 9 relates to the packaging bag according to any one of
請求項１０に係る発明は、前記フィルム積層体がポリエチレンテレフタレート、アルミ箔及び直鎖状低密度ポリエチレンから構成される請求項１乃至９に記載の包装袋に関する。
The invention according to claim 10 relates to the packaging bag according to any one of
請求項１１に係る発明は、前記請求項１乃至１０に記載の包装袋に内容物を充填してなる包装体に関する。
The invention which concerns on Claim 11 is related with the package formed by filling the packaging bag of
請求項１２に係る発明は、フィルム素材からなる一枚のフィルム積層体が折り畳まれ、その周縁部が結合手段により結合して形成された包装袋の開封を容易にするためにレーザーを照射し、侵食レーザー線を設ける方法であって、
前記包装袋に開封を容易にするためにノッチ部を前記周縁部に左右１カ所ずつ対称になるように設ける工程と、
前記包装袋の表面或いは裏面のいずれか一方の面には左右のノッチ部の最も内側に位置する点を結んだ線を軸とし、その軸の上下に２本の主侵食レーザー線を上下に対向する周縁部にわたってレーザー照射により設ける工程と、
前記周縁部の左右いずれかのノッチ部を始点とし、前記２本の主侵食レーザー線間に斜め方向の副侵食レーザー線をレーザー照射により設ける工程と、
前記包装袋の他方の面には左右のノッチ部を結んだ主侵食レーザー線をレーザー照射により１以上設ける工程と、を含み、
前記副侵食レーザー線を設ける工程は、
Ａ左のノッチ部を始点にレーザー照射により右下がりの複数の連続した侵食線と、複数の連続した右下がりの侵食線に続きレーザー照射により右上がりの複数の連続した侵食線を設け
右のノッチ部を始点にレーザー照射により左下がりの複数の連続した侵食線と、複数の連続した左下がりの侵食線に続きレーザー照射により左上がりの複数の連続した侵食線を設ける工程
Ｂ左のノッチ部を始点にレーザー照射により右下がりの複数の連続した侵食線と、複数の連続した右下がりの連続した侵食線に続きレーザー照射により右上がりの複数の侵食線を設け
右のノッチ部を始点にレーザー照射により左上がりの複数の連続した侵食線と、複数の連続した左上がりの侵食線に続きレーザー照射により左下がりの複数の連続した侵食線を設ける工程
Ｃ左のノッチ部を始点にレーザー照射により右上がりの複数の連続した侵食線と、複数の連続した右上がりの侵食線に続きレーザー照射により右下がりの複数の連続した侵食線を設け
右のノッチ部を始点にレーザー照射により左下がりの複数の連続した侵食線と、複数の連続した左下がりの侵食線に続きレーザー照射により左上がりの複数の連続した侵食線を設ける工程
Ｄ左のノッチ部を始点にレーザー照射により右上がりの複数の連続した侵食線と、複数の連続した右上がりの侵食線に続きレーザー照射により右下がりの複数の連続した侵食線を設け
右のノッチ部を始点にレーザー照射により左上がりの複数の連続した侵食線と、複数の連続した左上がりの侵食線に続きレーザー照射により左下がりの連続した複数の侵食線を設ける工程
のうちいずれか一つの工程により形成されることを特徴とする包装袋に侵食レーザー線を設ける方法に関する。
The invention according to claim 12 irradiates a laser in order to facilitate the opening of a packaging bag formed by folding a single film laminate made of a film material and binding the peripheral edge thereof by a coupling means, A method of providing an erosion laser beam,
A step of providing a notch portion so as to be symmetrical one by one on the peripheral edge portion in order to facilitate opening of the packaging bag;
Either the front or back surface of the packaging bag has a line connecting the innermost points of the left and right notches as the axes, and two main erosion laser lines are vertically opposed to the upper and lower sides of the axis. A step of providing laser irradiation over the peripheral edge,
A process of providing an oblique sub-erosion laser line by laser irradiation between the two main erosion laser lines, starting from the left or right notch part of the peripheral part; and
Providing one or more main erosion laser beams with left and right notches connected to the other surface of the packaging bag by laser irradiation,
The step of providing the secondary erosion laser line includes:
A The right notch is provided with a plurality of continuous erosion lines descending to the right by laser irradiation and a plurality of continuous erosion lines descending to the right by laser irradiation following the laser irradiation. Step B left notch part by providing a plurality of continuous erosion lines that are descending to the left by laser irradiation and a plurality of continuous erosion lines that are descending to the left by laser irradiation following the plurality of continuous erosion lines that are descending to the left. Multiple starting erosion lines descending to the right by laser irradiation at the start point, followed by multiple consecutive erosion lines descending to the right, followed by multiple erosion lines rising to the right by laser irradiation, and laser irradiation starting from the right notch Step C of providing a plurality of continuous erosion lines ascending to the left, and a plurality of continuous erosion lines descending to the left by laser irradiation, followed by a plurality of continuous erosion lines ascending to the left. Starting from the notch part of the laser, the laser is irradiated with a plurality of continuous erosion lines that rise to the right and a plurality of continuous erosion lines that rise to the right followed by a plurality of continuous erosion lines that descend to the right by laser irradiation. Starting with a notch on the left side of Step D, providing a plurality of continuous erosion lines descending to the left by laser irradiation and a plurality of continuous erosion lines descending to the left by laser irradiation at the start point Multiple continuous erosion lines rising to the right by laser irradiation and multiple continuous erosion lines to the right by laser irradiation followed by multiple continuous erosion lines to the right by laser irradiation and left by laser irradiation starting from the right notch The process of providing a plurality of continuous erosion lines that are rising and a plurality of continuous erosion lines that are continuously rising to the left, followed by a plurality of erosion lines that are continuously falling to the left by laser irradiation. To a method of providing erosion laser line in a packaging bag characterized by being formed by either one step.
この出願に係る発明の包装袋は、一方の面に２本の主侵食レーザー線（１，２）と主侵食レーザー線間に斜めの副侵食レーザー線（４）を設け、他方の面に左右のノッチ部を結んだ主侵食レーザー線（３）を設けることで、初めは他方の面の主侵食レーザー線に誘導され表面と裏面が同じ引き裂き線を形成し、途中から副侵食レーザー線に誘導されることで、表面と裏面の引き裂き線が異なっていき、最後には一方の面に設けた２本の主侵食レーザー線のうちの一本に誘導されることで表面、裏面で段差がある引き裂き線を形成する。
一方の面に設ける２本の主侵食レーザー線（１，２）の線形は特に限定せず、例えば直線でも良く、曲線でも良い。
直線と曲線を組み合わせてもよく、凹形状や凸形状でも良い。
The packaging bag of the invention according to this application is provided with two main erosion laser lines (1, 2) and an oblique sub erosion laser line (4) between the main erosion laser lines on one side and left and right sides on the other side. By providing the main erosion laser line (3) connecting the notch part of the surface, it is first guided to the main erosion laser line on the other side, and the front and back surfaces form the same tear line, and is guided to the sub erosion laser line from the middle As a result, the tear line on the front surface and the back surface is different, and finally, there is a step on the front surface and the back surface by being guided to one of the two main erosion laser lines provided on one surface. Form a tear line.
The alignment of the two main erosion laser lines (1, 2) provided on one surface is not particularly limited, and may be, for example, a straight line or a curved line.
A straight line and a curve may be combined, and a concave shape or a convex shape may be used.
この出願に係る発明の包装袋の一方の面に設ける副侵食レーザー線（４）の角度は、左右のノッチ部の最も内側に位置する点を結んだ線と１５°から７５°または１６５°から１０５°の間で交わるように設けることで、引き裂き時の誤引き裂きの防止となり、また２本のレーザー侵食線（１，２）間は袋のサイズにより任意であるが２ｍｍより小さいと段差が小さくなり開封が行い難くなり、３０ｍｍより大きくなると、袋のサイズが大きくなりすぎ、誤引裂きが誘発されやすく、また経済性も良くない。
侵食線群のうち袋の内側に設けられる侵食線群の各侵食線は外側に位置する一端が主侵食レーザー線と接しないことで上方向に誘導された引き裂き線が下方向に、あるいは下方向に誘導された引き裂き線が上方向に誘導されるのを防ぐことができる。
The angle of the secondary erosion laser line (4) provided on one side of the packaging bag of the invention according to this application is from 15 ° to 75 ° or 165 ° with the line connecting the innermost points of the left and right notches. Providing it to intersect between 105 ° prevents accidental tearing during tearing, and the distance between the two laser erosion lines (1, 2) is optional depending on the size of the bag. When it becomes larger than 30 mm, the size of the bag becomes too large, erroneous tearing is easily induced, and the economy is not good.
Each erosion line of the erosion line group that is provided inside the bag among the erosion line groups has a tear line that is guided upward because one end located outside does not contact the main erosion laser line. It is possible to prevent the tear line that is induced in the above direction from being guided upward.
この出願に係る発明の包装袋は、他方の面に主侵食レーザー線（３）を複数設けることで、フィルム積層体を折り畳んだときにずれが生じた場合でも、ノッチ部の最も内側に近い点を結ぶ線上に主侵食レーザー線を設けることができノッチ部から綺麗に切ることができる。
他方の面の主侵食レーザー線（３）の線形は特に限定せず、例えば直線でも良く、曲線でも良い。
直線と曲線を組み合わせてもよく、凹形状や凸形状でも良い。
この出願に係る発明の侵食レーザー線を設ける方法は、一方の面に２本の主侵食レーザー線（１，２）と主侵食レーザー線間に斜めの副侵食レーザー線（４）を設ける工程と、他方の面に左右のノッチ部を結んだ主侵食レーザー線（３）を設ける工程を備えており、
初めは他方の面の主侵食レーザー線に誘導され表面と裏面が同じ引き裂き線（切り口）を形成し、途中から副侵食レーザー線に誘導されることで、表面と裏面の引き裂き線が異なっていき、最後には一方の面に設けた２本の主侵食レーザー線のうちの一本に誘導されることで表面、裏面で段差がある引き裂き線を形成する。
The packaging bag of the invention according to this application is provided with a plurality of main erosion laser beams (3) on the other surface, so that even when a deviation occurs when the film laminate is folded, the point closest to the innermost side of the notch portion The main erosion laser line can be provided on the line connecting the two and can be cut cleanly from the notch.
The line of the main erosion laser line (3) on the other surface is not particularly limited, and may be, for example, a straight line or a curved line.
A straight line and a curve may be combined, and a concave shape or a convex shape may be used.
The method of providing an erosion laser line of the invention according to this application includes a step of providing an oblique sub erosion laser line (4) between two main erosion laser lines (1, 2) and a main erosion laser line on one surface; And a step of providing a main erosion laser line (3) in which the left and right notches are connected to the other surface,
At first, it is guided by the main erosion laser beam on the other side, and the front and back surfaces form the same tear line (cut). Finally, it is guided to one of the two main eroding laser lines provided on one surface, thereby forming a tear line having a step on the front surface and the back surface.
以下、本発明にかかる好適な実施例を説明するが、本件発明は明細書、図面の内容に限定されない。また開封する者から見て手前にある包装袋の面を表面とする。 Hereinafter, preferred embodiments according to the present invention will be described, but the present invention is not limited to the contents of the specification and drawings. Moreover, let the surface of the packaging bag in front as seen from the person who opens it be the surface.
この出願に係る包装袋に用いるフィルム積層体は従来用いられているもので良く、食品や薬品などの内容物に合わせて適宜変更する。
積層体の例としては例えばポリエチレンテレフタレートや直鎖状低密度ポリエチレンといった合成樹脂フィルムを積層した積層体でもよく、例えばポリエチレンテレフタレート、アルミニウム箔及び直鎖状低密度ポリエチレンをドライラミネート加工して積層した積層体でも良い。
包装袋は開封後も包装袋の口を再び開閉できるように再開閉機構が設けられていてもよい。
The film laminate used in the packaging bag according to this application may be a conventional one, and is appropriately changed according to the contents such as food and medicine.
As an example of a laminate, a laminate in which a synthetic resin film such as polyethylene terephthalate or linear low density polyethylene is laminated may be used. For example, a laminate in which polyethylene terephthalate, aluminum foil, and linear low density polyethylene are laminated by dry lamination. The body may be good.
The packaging bag may be provided with a re-opening / closing mechanism so that the opening of the packaging bag can be opened and closed again after opening.
この出願に係る包装袋はフィルム積層体を折り畳んで周縁部を結合手段で結合することで形成され、結合手段は熱融着や接着剤を用いることができるがこれらに限定されない。
包装袋に用いるノッチ部（５）の形状は従来用いられている形状でよく、例えば半円形状や多角形状でも良く、また線状の切り込みを入れてもよい。
ノッチ部（５）を設ける箇所は限定しないが、例えば包装袋の上端側に近い箇所で左右周縁部に１カ所ずつ設ける。
またノッチ部（５）はフィルム積層体を折り畳む前に設けてもよく、折り畳んだ後に設けても良い。
The packaging bag according to this application is formed by folding the film laminate and bonding the peripheral edge portions with a bonding means, and the bonding means can use heat fusion or an adhesive, but is not limited thereto.
The shape of the notch part (5) used for the packaging bag may be a conventionally used shape, for example, a semicircular shape or a polygonal shape, or a linear notch.
Although the place which provides a notch part (5) is not limited, For example, one place is provided in a right-and-left periphery part in the place near the upper end side of a packaging bag.
The notch portion (5) may be provided before the film laminate is folded or may be provided after the film is folded.
加工に用いるレーザーは炭酸ガス、ヘリウム・ネオン等の気体を媒質に用いた気体レーザーのほか固体レーザー、半導体レーザー、色素レーザーなどを用いることができる。
この発明においてレーザー加工してできた線を侵食レーザー線と呼ぶ。
As a laser used for processing, a solid laser, a semiconductor laser, a dye laser, or the like can be used in addition to a gas laser using a gas such as carbon dioxide or helium / neon as a medium.
In this invention, a line formed by laser processing is called an erosion laser line.
図１はこの発明に係るレーザー加工を施した包装袋の一例を示す図である。
図２ａ、ｂは図１の一部拡大図である。
図１、図２に示すようにこの発明の包装袋は、一方の面に設ける侵食レーザー線は、まず左右のノッチ（５）の一番内側に位置する点を結んだ線を軸として上下対称になるよう主侵食レーザー線を２本設ける（１，２）。
次に副侵食レーザー線（４）は図１に示すように、左端のノッチを始点とすると
Ａ侵食線（４ａ）をレーザー照射により連続して複数設け、
Ｂ侵食線（４ｂ）をレーザー照射により連続して複数設け、
Ｃ侵食線（４ｃ）をレーザー照射により連続して複数設け、
Ｄ侵食線（４ｄ）をレーザー照射により連続して複数設けるという順で設けられる。
４ｂと４ｃの間に副侵食レーザー線を設けない箇所があってもよい。
包装袋の内側に設ける侵食線（４ｂ、４ｃ）の両端のうち、外側に位置する一端は主侵食レーザー線（１，２）とは接しない方が好ましい。
例えば侵食線（４ｂ）の場合は、斜め右上がりの侵食線の場合は下側主侵食線と、斜め右下がりの侵食線の場合は上側侵食線と交わらない方が好ましい。
侵食線（４ｃ）の場合は、斜め右上がりの侵食線の場合は上側主侵食線と、斜め右下がりの侵食線の場合は下側侵食線と交わらない方が好ましい。
これは外側に設ける侵食線によって上方向に誘導された引き裂き線が下方向に、あるいは下方向に誘導された引き裂き線が上方向に誘導されるのを防ぐためである。
侵食線（４ａ、４ｂ、４ｃ、４ｄ）は斜め右上方向（斜め左下方向）、斜め右下方向（斜め左上方向）のいずれか一方向で設け、４ａと４ｂ、４ｃと４ｄは異なる方向で作成する。
主侵食レーザー線（１，２）は互いに平行でなくともよく、上下対称でなくてもよい。
主侵食レーザー線（１，２）の線形は特に限定せず、例えば直線であってもよく、曲線であってもよい。
例えば直線と曲線を組みあわせてもよく凸形状や凹形状であっても良い。
FIG. 1 is a view showing an example of a packaging bag subjected to laser processing according to the present invention.
2a and 2b are partially enlarged views of FIG.
As shown in FIGS. 1 and 2, in the packaging bag of the present invention, the erosion laser lines provided on one side are first symmetrical with respect to the line connecting the points located at the innermost sides of the left and right notches (5). Two main erosion laser lines are provided (1, 2).
Next, as shown in FIG. 1, the secondary erosion laser line (4) is provided with a plurality of A erosion lines (4a) continuously by laser irradiation, starting from the left notch,
B erosion lines (4b) are continuously provided by laser irradiation,
A plurality of C erosion lines (4c) are continuously provided by laser irradiation,
A plurality of D erosion lines (4d) are successively provided by laser irradiation.
There may be a portion where no secondary erosion laser line is provided between 4b and 4c.
Of the ends of the erosion lines (4b, 4c) provided inside the packaging bag, it is preferable that one end located on the outside does not contact the main erosion laser line (1, 2).
For example, in the case of the erosion line (4b), it is preferable not to intersect the lower main erosion line in the case of an obliquely upward erosion line and not to intersect the upper erosion line in the case of an obliquely downward erosion line.
In the case of the erosion line (4c), it is preferable not to intersect the upper main erosion line in the case of an obliquely upward erosion line, and the lower erosion line in the case of an obliquely downward erosion line.
This is to prevent the tear line induced upward by the erosion line provided on the outside from being guided downward or the tear line induced downward from being induced upward.
Erosion lines (4a, 4b, 4c, 4d) are provided in one of the diagonal upper right direction (diagonal lower left direction) or diagonal lower right direction (diagonal upper left direction), and 4a and 4b, 4c and 4d are created in different directions. To do.
The main erosion laser lines (1, 2) may not be parallel to each other and may not be vertically symmetrical.
The linear shape of the main erosion laser line (1, 2) is not particularly limited, and may be, for example, a straight line or a curved line.
For example, a straight line and a curved line may be combined, or a convex shape or a concave shape may be used.
主侵食レーザー線（１，２，３）及び副侵食レーザー線（４）はフィルム積層体を折り畳む前に照射し設けてもよい。
一方の面に設ける主侵食レーザー線（１，２）と他方の面に設ける主侵食レーザー線（３）は直線、曲線などに任意の線形で設けてもよい。
また一方の面に設ける主侵食レーザー線（１，２）と他方の面に設ける主侵食レーザー線（３）は同じ線形であってもよく、異なった線形でもよい。
副侵食レーザー線（４）は直線で設けてもよく、曲線で設けてもよく、設ける本数や侵食線の間隔は特に限定しない。
副侵食レーザー線（４）を設ける角度は直線の場合は主侵食レーザー線（１，２）と交わる角度が１５°から７５°または１６５°から１０５°好ましくは３０°から６０°または１５０°から１２０°がよい。
曲線の場合は副侵食レーザー線（４）と主侵食レーザー線（１，２）が交わってできる弧の中心角が１５°から７５°または１６５°から１０５°好ましくは３０°から６０°または１５０°から１２０°がよい。
侵食線（４ａ、４ｂ、４ｃ、４ｄ）を設ける角度は全て同じでも良く、違っていてもよい。
また侵食線４は左右同じように設けてもよく、異なっていてもよい。
また包装袋の抵抗力が少なく開けるのに必要となる力を少なくできるという観点から侵食レーザー線は破線にしてもよい。
The main erosion laser beam (1, 2, 3) and the sub erosion laser beam (4) may be irradiated and provided before the film laminate is folded.
The main erosion laser lines (1, 2) provided on one surface and the main erosion laser line (3) provided on the other surface may be provided in an arbitrary line on a straight line, a curve, or the like.
Further, the main erosion laser line (1, 2) provided on one surface and the main erosion laser line (3) provided on the other surface may be the same or different.
The secondary erosion laser beam (4) may be provided in a straight line or may be provided in a curved line, and the number of provided and the interval between the erosion lines are not particularly limited.
The angle at which the secondary erosion laser line (4) is provided is, in the case of a straight line, the angle intersecting with the main erosion laser line (1, 2) is 15 ° to 75 ° or 165 ° to 105 °, preferably 30 ° to 60 ° or 150 °. 120 ° is good.
In the case of a curve, the central angle of the arc formed by the crossing of the secondary erosion laser line (4) and the main erosion laser line (1, 2) is 15 ° to 75 ° or 165 ° to 105 °, preferably 30 ° to 60 ° or 150. It is preferable that the angle is from 120 °.
The angles at which the erosion lines (4a, 4b, 4c, 4d) are provided may all be the same or different.
Moreover, the
Further, the erosion laser line may be a broken line from the viewpoint of reducing the force required to open the packaging bag with little resistance.
この発明の包装袋の他方の面には周縁部の左右のノッチ部（５）を結ぶように主侵食レーザー線（３）を設ける。
主侵食レーザー線（３）は左右のノッチ部（５）の最も内側にある一点を結ぶように侵食レーザー線を設けることでスムーズに引き裂いて開けることが可能となる。
他方の面に設ける主侵食レーザー線は１本でもよいが、主侵食レーザー線を設けてからフィルム素材を積層構造にした一枚のフィルム積層体を折り畳んだ後ノッチ部を設ける場合に、２本以上設けることで折り畳んだ際に左右のノッチ部の最も内側にある点からずれることを防ぐことができる。
図３から図５にこの発明のレーザー加工を施した包装袋の断面図を例示するが、侵食レーザー線の深さや形状は図に限定されない。
The main erosion laser line (3) is provided on the other surface of the packaging bag of the present invention so as to connect the left and right notch portions (5) of the peripheral portion.
The main erosion laser line (3) can be smoothly torn and opened by providing an erosion laser line so as to connect the innermost points of the left and right notch portions (5).
The number of main erosion laser lines provided on the other surface may be one, but two are provided when a notched part is provided after folding a single film laminate in which the film material is laminated after providing the main erosion laser lines. By providing as described above, it is possible to prevent deviation from the innermost point of the left and right notch portions when folded.
3 to 5 illustrate cross-sectional views of the packaging bag subjected to the laser processing of the present invention, but the depth and shape of the erosion laser line are not limited to the drawings.
図６ａのように表面に主侵食レーザー線（１，２）と副侵食レーザー線（４）を、裏面に主侵食レーザー線（３）を設け左から右に引き裂く場合について説明する。
図６ｂの実線は表面の引き裂き線、破線は裏面の引き裂き線を表す。
表面は最初裏面の主侵食レーザー線（３）に誘導され包装袋上縁部と平行な引き裂き線となる。
次にある点で右下がりの侵食線に誘導され斜め右下方向の引き裂き線を形成する。
そして斜め右下方向の侵食線と下側主侵食レーザー線（２）と交差する点に達したところで、下側主侵食レーザー線（２）に誘導されて包装袋上縁部と平行な引き裂き線となる
裏面は主侵食レーザー線（３）に誘導され左右のノッチ部（５）を結ぶような引き裂き線となる。
そうすると表面の引き裂き線は最初裏面と同じであるが、途中から侵食線により右下がりに誘導され下側主侵食レーザー線（２）に移動し、下側侵食レーザー線（２）に沿った引き裂き線となるため裏面の引き裂き線より下方に位置し、表面と裏面の引き裂き線に段差ができるため（図６ｃ）袋を開ける際に表面と裏面の隙間に指を挿入し易く開封し易くなる。
The case where the main erosion laser lines (1, 2) and the secondary erosion laser line (4) are provided on the front surface and the main erosion laser line (3) is provided on the rear surface as shown in FIG.
The solid line in FIG. 6b represents the tear line on the front surface, and the broken line represents the tear line on the back surface.
The front surface is first guided by the main erosion laser line (3) on the back surface and becomes a tear line parallel to the upper edge of the packaging bag.
Next, at a certain point, it is guided by the erosion line descending to the right and forms a tear line in the diagonally lower right direction.
And when it reaches a point where it crosses the diagonally lower right erosion line and the lower main erosion laser line (2), the tear line is guided by the lower main erosion laser line (2) and parallel to the upper edge of the packaging bag. The back surface becomes a tear line that is guided by the main erosion laser line (3) and connects the left and right notch portions (5).
Then, the tear line on the surface is the same as the back surface at the beginning, but it is guided to the lower right by the erosion line and moves to the lower main erosion laser line (2), and the tear line along the lower erosion laser line (2) Therefore, since it is located below the tear line on the back surface and a step is formed between the tear line on the front surface and the back surface (FIG. 6c), it is easy to insert a finger into the gap between the front surface and the back surface when opening the bag.
図７（ａ）のように、表面に主侵食レーザー線（３）を、裏面に主侵食レーザー線（１，２）と副侵食レーザー線（４）を設け左から右に引き裂く場合について説明する。
図７（ｂ）の実線は表面の引き裂き線、破線は裏面の引き裂き線を表す。
裏面の引き裂き線は最初表面の主侵食レーザー線（３）に沿って上縁部と平行な引き裂き線、裏面の引き裂き線は表面に阻害されるため表面の引き裂き線と同じ位置か上側にしかできないため、右斜め下の侵食線には誘導されず、斜め右上がりの侵食線に沿って右斜め上方向の引き裂き線となる。
斜め右上方向の侵食線と上側侵食レーザー線（１）と交差する点に達したところで、上側主侵食レーザー線（１）に沿って包装袋上縁部と平行な引き裂き線となる。
表面は主侵食レーザー線（３）に誘導され左右のノッチ部（５）を結ぶような引き裂き線となる。
そうすると裏面の引き裂き線は最初表面と同じであるが、途中から斜め右上がりの侵食線（４）に誘導され上側主侵食レーザー線（１）に移動し、上側主侵食レーザー線（１）に沿った引き裂き線となるため表面の引き裂き線より上方に位置し、表面と裏面の引き裂き線に段差ができるため（図７ｃ）袋を開ける際に表面と裏面の隙間に指を挿入し易く開封し易くなる。
The case where the main erosion laser beam (3) is provided on the front surface and the main erosion laser beam (1,2) and the secondary erosion laser beam (4) are provided on the rear surface as shown in FIG. .
The solid line in FIG. 7B represents the tear line on the front surface, and the broken line represents the tear line on the back surface.
The tear line on the back side is the tear line parallel to the upper edge along the main erosion laser line (3) on the first surface, and the tear line on the back side is obstructed by the surface, so it can only be at the same position or above the surface tear line. Therefore, it is not guided by the erosion line diagonally downward to the right, but becomes a tear line in the diagonally upward direction along the diagonally upward erosion line.
When a point where the oblique upper right erosion line intersects the upper erosion laser line (1) is reached, a tear line parallel to the upper edge of the packaging bag is formed along the upper main erosion laser line (1).
The surface is a tear line that is guided by the main erosion laser line (3) and connects the left and right notches (5).
Then, the tear line on the back surface is the same as the first surface, but it is guided to the erosion line (4) that goes diagonally upward from the middle, moves to the upper main erosion laser line (1), and follows the upper main erosion laser line (1). Since it becomes a tear line, it is positioned above the tear line on the front surface, and there is a step between the tear line on the front surface and the back surface (Fig. 7c). When opening the bag, it is easy to insert a finger into the gap between the front surface and the back surface. Become.
表面に２本の主侵食レーザー線（１，２）と副侵食レーザー線（４）を、裏面に主侵食レーザー線（３）を設け右から左に引き裂く場合について説明する。
表面の引き裂き線は最初裏面の主侵食レーザー線（３）に誘導され包装袋の上縁部と平行な引き裂き線となり、裏面のフィルムの引き裂かれた上部が抵抗となるため斜め右下方向の侵食線に誘導されず、左斜め上方向の侵食線に誘導され斜め左上方向の引き裂き線となる。
斜め左上方向の侵食線と上側主侵食レーザー線（１）と交差する点に達したところで、上側主侵食レーザー線（１）に誘導されて、包装袋上縁部と平行な引き裂き線となる。
裏面は主侵食レーザー線（３）に誘導され左右のノッチ部を結ぶような引き裂き線となる。
そうすると表面の引き裂き線は最初裏面と同じであるが、途中から左斜め上方向の侵食線に誘導され上側侵食レーザー線（１）に移動し、上側侵食レーザー線（１）に沿った引き裂き線となるため裏面の引き裂き線より上方に位置し、段差ができるため袋を開ける際に表面と裏面の隙間に指を挿入し易く開封し易くなる。
A case where two main erosion laser lines (1, 2) and a secondary erosion laser line (4) are provided on the front surface, and a main erosion laser line (3) is provided on the back surface and is torn from right to left will be described.
The tear line on the front surface is first guided by the main erosion laser line (3) on the back surface and becomes a tear line parallel to the upper edge of the packaging bag. Instead of being guided by a line, it is guided by an erosion line in the upper left direction and becomes a tear line in the upper left direction.
When a point at which the erosion line in the diagonally upper left direction intersects with the upper main erosion laser line (1) is reached, it is guided by the upper main erosion laser line (1) and becomes a tear line parallel to the upper edge of the packaging bag.
The back surface is a tear line that is guided by the main erosion laser line (3) and connects the left and right notches.
Then, the tear line on the front surface is the same as the back surface at the beginning, but it is guided from the middle to the erosion line in the diagonally upper left direction and moves to the upper erosion laser line (1), and the tear line along the upper erosion laser line (1) Therefore, since it is located above the tear line on the back surface and a step is formed, it is easy to insert a finger into the gap between the front surface and the back surface when opening the bag.
表面に主侵食レーザー線（３）を設け、裏面に２本の主侵食レーザー線（１，２）と副侵食レーザー線（４）を設け右から左に引き裂く場合について説明する。
裏面の引き裂き線は最初表面の主侵食レーザー線（３）に誘導され包装袋の上縁部と平行な引き裂き線となる。
次にある点で左下がりの侵食線に誘導され斜め左下方向の引き裂き線となる。
そして斜め左下方向の侵食線と下側主侵食レーザー線（２）と交差する点に達したところで、下側主侵食レーザー線（２）に沿って誘導され包装袋の上縁部と平行な引き裂き線となる。
表面は主侵食レーザー線（３）に誘導され包装袋の上縁部と平行な引き裂き線となる。
そうすると表面の引き裂き線は最初裏面と同じであるが、途中から下側主侵食レーザー線（２）に沿った引き裂き線となるため裏面の引き裂き線より下方に位置し段差ができるため、袋を開ける際に表面と裏面の隙間に指を挿入し易く開封し易くなる。
The case where the main erosion laser line (3) is provided on the front surface and the two main erosion laser lines (1, 2) and the secondary erosion laser line (4) are provided on the back surface and torn from right to left will be described.
The tear line on the back surface is first guided by the main erosion laser line (3) on the front surface and becomes a tear line parallel to the upper edge of the packaging bag.
Next, at a certain point, it is guided by the erosion line descending to the left and becomes a tear line in the diagonally lower left direction.
And when it reaches the point where it crosses the diagonally lower left erosion line and the lower main erosion laser line (2), the tear is guided along the lower main erosion laser line (2) and parallel to the upper edge of the packaging bag. Become a line.
The surface is guided by the main erosion laser line (3) and becomes a tear line parallel to the upper edge of the packaging bag.
Then, the tear line on the front surface is the same as the back surface at first, but since it becomes a tear line along the lower main erosion laser line (2) from the middle, it is located below the tear line on the back surface and a step is created, so the bag is opened. At this time, it is easy to insert a finger into the gap between the front surface and the back surface, and it is easy to open.
図６、図７に図示した場合以外で侵食線を設けた場合の引き裂き線について説明する。
左側ノッチ部を始点とし連続した右上がりの侵食線と、連続した右上がりの侵食線に続き連続した右下がりの侵食線を複数設け、右側ノッチ部を始点として連続した左上がりの侵食線と、連続した左上がりの侵食線に続き連続した左下がりの侵食線を連続して設けた場合を考える。
表面に主侵食レーザー線（３）を設け、裏面に２本の主侵食レーザー線（１，２）と副侵食レーザー線（４）を設けた場合に左から右に切ると裏面は最初表面の主侵食レーザー線（３）に誘導され上縁部と平行な引き裂き線となり、やがて右上がりの侵食線に誘導されて上側侵食レーザー線（１）と同じ引き裂き線となる。
表面は主侵食レーザー線（３）に誘導され包装袋上縁部と平行な引き裂き線となる。
そのため表面の引き裂き線が裏面の引き裂き線より下方に位置し、表裏の引き裂き線に段差ができるため袋を開ける際に表面と裏面の隙間に指を挿入し易く開封し易くなる。
右から左に切る場合、裏面は最初表面の主侵食レーザー線（３）に誘導され上縁部と平行な引き裂き線となり、表面のフィルムが抵抗となり左上がりの侵食線に誘導されず、左下がりの侵食線に誘導されて下側侵食レーザー線（２）と同じ引き裂き線となる。
表面は主侵食レーザー線（３）に誘導され包装袋上縁部と平行な引き裂き線となる。
そのため表面の引き裂き線が裏面の引き裂き線より上方に位置し、表裏で引き裂き線に段差ができるため袋を開ける際に表面と裏面の隙間に指を挿入し易く開封し易くなる。
A tear line when an erosion line is provided other than the case illustrated in FIGS. 6 and 7 will be described.
A plurality of continuous upward erosion lines starting from the left notch and continuous upward erosion lines following the continuous upward erosion line, and continuous upward erosion lines starting from the right notch, Consider a case in which continuous left-lowering erosion lines are continuously provided following continuous left-up erosion lines.
When the main erosion laser line (3) is provided on the front surface and the two main erosion laser lines (1, 2) and the secondary erosion laser line (4) are provided on the back surface, the back surface is It is guided by the main erosion laser line (3) and becomes a tear line parallel to the upper edge, and eventually it is guided by the upward erosion line and becomes the same tear line as the upper erosion laser line (1).
The surface is guided by the main erosion laser line (3) and becomes a tear line parallel to the upper edge of the packaging bag.
Therefore, the tear line on the front surface is positioned below the tear line on the back surface, and there is a step in the tear line on the front and back surfaces. Therefore, when opening the bag, it is easy to insert a finger into the gap between the front surface and the back surface.
When cutting from right to left, the back surface is first guided by the main erosion laser line (3) on the front surface and becomes a tear line parallel to the upper edge, and the film on the surface becomes resistance and is not induced by the upward erosion line. This leads to the same tear line as the lower erosion laser line (2).
The surface is guided by the main erosion laser line (3) and becomes a tear line parallel to the upper edge of the packaging bag.
For this reason, the tear line on the front surface is positioned above the tear line on the back surface, and there is a step in the tear line on the front and back surfaces. Therefore, when opening the bag, it is easy to insert a finger into the gap between the front surface and the back surface.
表面に２本の主侵食レーザー線（１，２）と副侵食レーザー線（４）を設け、裏面に主侵食レーザー線（３）を設けた場合に左から右に切ると表面は最初裏面の主侵食レーザー線（３）に誘導され上端部と平行な引き裂き線となり、裏面のフィルムが抵抗となり左上がりの侵食線に誘導されず、左下がりの侵食線に誘導されて下側侵食レーザー線（２）と同じ引き裂き線となる。裏面は主侵食レーザー線（３）に誘導され包装袋上縁部と平行な引き裂き線となる。
そのため表面の引き裂き線が裏面の引き裂き線より下方に位置し、表裏で引き裂き線に段差ができるため袋を開ける際に表面と裏面の隙間に指を挿入し易く開封し易くなる。
右から左に切る場合は最初裏面の主侵食レーザー線（３）に誘導され上縁部と平行な引き裂き線となるが、途中から左上がりの侵食線に誘導されて上側侵食レーザー線（１）と同じ引き裂き線となる。
裏面は主侵食レーザー線（３）に誘導され包装袋上縁部と平行な引き裂き線となる。
そのため表面の引き裂き線が裏面の引き裂き線より上方に位置し、表裏で引き裂き線に段差ができるため袋を開ける際に表面と裏面の隙間に指を挿入し易く開封し易くなる。
When two main erosion laser lines (1, 2) and secondary erosion laser lines (4) are provided on the surface, and the main erosion laser lines (3) are provided on the back surface, the surface is It is guided by the main erosion laser line (3) and becomes a tear line parallel to the upper end, and the film on the back side becomes resistance and is not induced by the upward erosion line, but is induced by the downward erosion line and the lower erosion laser line ( The tear line is the same as 2). The back surface is guided by the main erosion laser line (3) and becomes a tear line parallel to the upper edge of the packaging bag.
For this reason, the tear line on the front surface is positioned below the tear line on the back surface, and there is a step in the tear line on the front and back surfaces. Therefore, when opening the bag, it is easy to insert a finger into the gap between the front surface and the back surface.
When cutting from right to left, it is first induced by the main erosion laser line (3) on the back surface and becomes a tear line parallel to the upper edge. Will be the same tear line.
The back surface is guided by the main erosion laser line (3) and becomes a tear line parallel to the upper edge of the packaging bag.
For this reason, the tear line on the front surface is positioned above the tear line on the back surface, and there is a step in the tear line on the front and back surfaces. Therefore, when opening the bag, it is easy to insert a finger into the gap between the front surface and the back surface.
上記の実施例は左右で設ける侵食線が同じである場合を説明したが、左右で異なっていてもよい。 Although the said Example demonstrated the case where the erosion line | wire provided in right and left was the same, you may differ in right and left.
左側ノッチ部を始点として右斜め上方向の連続した侵食線群を設け、右斜め上方向の連続した侵食線群に続き右斜め下方向の連続した侵食線を設け、右側ノッチ部を始点として左斜め下方向の連続した侵食線群を設け、左斜め下方向の侵食線群に続き左斜め上方向の侵食線群を設けた場合について説明する。
表面に２本の主侵食レーザー線（１，２）と副侵食レーザー線（４）を設け、裏面に主侵食レーザー線（３）を設けた場合に左から右に切ると表面は最初裏面の主侵食レーザー線（３）に誘導され上端部と平行な引き裂き線となり、裏面のフィルムが抵抗となり右上がりの侵食線に誘導されず、右下がりの侵食線に誘導されて下側侵食レーザー線（２）と同じ引き裂き線となる。裏面は主侵食レーザー線（３）に誘導され包装袋上縁部と平行な引き裂き線となる。
そのため表面の引き裂き線が裏面の引き裂き線より下方に位置し、表裏で引き裂き線に段差ができるため袋を開ける際に表面と裏面の隙間に指を挿入し易く開封し易くなる。
表面に２本の主侵食レーザー線（１，２）と副侵食レーザー線（４）を、裏面に主侵食レーザー線（３）を設け右から左に引き裂く場合について説明する。
表面の引き裂き線は最初裏面の主侵食レーザー線（３）に誘導され包装容器の上縁部と平行な引き裂き線となり、裏面のフィルムの引き裂かれた上部が抵抗となるため斜め左下方向の侵食線（４）に誘導されず、左斜め上方向の侵食線（４）に誘導され斜め左上方向の引き裂き線となる。
斜め左上方向の侵食線と上側主侵食レーザー線（１）と交差する点に達したところで、上側主侵食レーザー線（１）に誘導されて、包装袋上縁部と平行な引き裂き線となる。
裏面は主侵食レーザー線（３）に誘導され左右のノッチ部を結ぶような引き裂き線となる。
そうすると表面の引き裂き線は最初裏面と同じであるが、途中から左斜め上方向の侵食線に誘導され上側侵食レーザー線（１）に移動し、上側侵食レーザー線（１）に沿った引き裂き線となるため裏面の引き裂き線より上方に位置し、段差ができるため袋を開ける際に表面と裏面の隙間に指を挿入し易く開封し易くなる。
A group of continuous erosion lines in the upper right direction starting from the left notch is provided, a continuous erosion line in the lower right direction is provided following the group of continuous erosion lines in the upper right direction, and the left starting from the right notch. An explanation will be given of a case in which a group of erosion lines that are obliquely downward are provided and a group of erosion lines that are obliquely upward to the left are provided following the erosion lines that are obliquely downward to the left.
When two main erosion laser lines (1, 2) and secondary erosion laser lines (4) are provided on the surface, and the main erosion laser lines (3) are provided on the back surface, the surface is It is guided by the main erosion laser line (3) and becomes a tear line parallel to the upper end, and the film on the back side becomes resistance and is not induced by the upward erosion line, but is induced by the downward erosion line and the lower erosion laser line ( The tear line is the same as 2). The back surface is guided by the main erosion laser line (3) and becomes a tear line parallel to the upper edge of the packaging bag.
For this reason, the tear line on the front surface is positioned below the tear line on the back surface, and there is a step in the tear line on the front and back surfaces. Therefore, when opening the bag, it is easy to insert a finger into the gap between the front surface and the back surface.
A case where two main erosion laser lines (1, 2) and a secondary erosion laser line (4) are provided on the front surface, and a main erosion laser line (3) is provided on the back surface and is torn from right to left will be described.
The tear line on the front surface is first guided by the main erosion laser line (3) on the back surface and becomes a tear line parallel to the upper edge of the packaging container. Instead of being guided by (4), it is guided by the erosion line (4) in the upper left direction and becomes a tear line in the upper left direction.
When a point at which the erosion line in the diagonally upper left direction intersects with the upper main erosion laser line (1) is reached, it is guided by the upper main erosion laser line (1) and becomes a tear line parallel to the upper edge of the packaging bag.
The back surface is a tear line that is guided by the main erosion laser line (3) and connects the left and right notches.
Then, the tear line on the front surface is the same as the back surface at the beginning, but it is guided from the middle to the erosion line in the diagonally upper left direction and moves to the upper erosion laser line (1), and the tear line along the upper erosion laser line (1) Therefore, since it is located above the tear line on the back surface and a step is formed, it is easy to insert a finger into the gap between the front surface and the back surface when opening the bag.
表面に主侵食レーザー線（３）を設け、裏面に２本の主侵食レーザー線（１，２）と副侵食レーザー線（４）を設けた場合に左から右に切ると裏面は最初表面の主侵食レーザー線（３）に誘導され上端部と平行な引き裂き線となり、やがて右上がりの侵食線に誘導されて上側侵食レーザー線（１）と同じ引き裂き線となる。
表面は主侵食レーザー線（３）に誘導され包装袋上縁部と平行な引き裂き線となる。
そのため表面の引き裂き線が裏面の引き裂き線より下方に位置し、表裏で引き裂き線に段差ができるため袋を開ける際に表面と裏面の隙間に指を挿入し易く開封し易くなる。
表面に主侵食レーザー線（３）を設け、裏面に２本の主侵食レーザー線（１，２）、副侵食レーザー線（４）を設け右から左に引き裂く場合について説明する。
裏面の引き裂き線は最初表面の主侵食レーザー線（３）に誘導され包装袋の上縁部と平行な引き裂き線となる。
次にある点で左下がりの侵食線に誘導され斜め左下方向の引き裂き線となる。
そして斜め左下方向の侵食線と下側主侵食レーザー線（２）と交差する点に達したところで、下側主侵食レーザー線（２）に沿って誘導され包装袋の上縁部と平行な引き裂き線となる。
表面は主侵食レーザー線（３）に誘導され包装袋の上縁部と平行な引き裂き線となる。
そうすると裏面の引き裂き線は最初表面と同じであるが、途中から下側主侵食レーザー線（２）に沿った引き裂き線となるため表面の引き裂き線より下方に位置し段差ができるため、袋を開ける際に表面と裏面の隙間に指を挿入し易く開封し易くなる。
When the main erosion laser line (3) is provided on the front surface and the two main erosion laser lines (1, 2) and the secondary erosion laser line (4) are provided on the back surface, the back surface is It is guided by the main erosion laser line (3) and becomes a tear line parallel to the upper end, and eventually it is guided by the upward erosion line and becomes the same tear line as the upper erosion laser line (1).
The surface is guided by the main erosion laser line (3) and becomes a tear line parallel to the upper edge of the packaging bag.
For this reason, the tear line on the front surface is positioned below the tear line on the back surface, and there is a step in the tear line on the front and back surfaces. Therefore, when opening the bag, it is easy to insert a finger into the gap between the front surface and the back surface.
The case where the main erosion laser line (3) is provided on the front surface, the two main erosion laser lines (1, 2), and the sub erosion laser line (4) are provided on the back surface and torn from right to left will be described.
The tear line on the back surface is first guided by the main erosion laser line (3) on the front surface and becomes a tear line parallel to the upper edge of the packaging bag.
Next, at a certain point, it is guided by the erosion line descending to the left and becomes a tear line in the diagonally lower left direction.
And when it reaches the point where it crosses the diagonally lower left erosion line and the lower main erosion laser line (2), the tear is guided along the lower main erosion laser line (2) and parallel to the upper edge of the packaging bag. Become a line.
The surface is guided by the main erosion laser line (3) and becomes a tear line parallel to the upper edge of the packaging bag.
Then the tear line on the back surface is the same as the first surface, but since it becomes a tear line along the lower main erosion laser line (2) from the middle, the step is located below the tear line on the surface, so the bag is opened. At this time, it is easy to insert a finger into the gap between the front surface and the back surface, and it is easy to open.
左側ノッチ部を始点として右斜め下方向の連続した侵食線群を設け、右斜め下方向の連続した侵食線群に続き右斜め上方向の連続した侵食線を設け、右側ノッチ部を始点として左斜め上方向の連続した侵食線群を設け、左斜め上方向の侵食線群に続き左斜め下方向の侵食線群を設けた場合について説明する。
表面に主侵食レーザー線（１，２）と副侵食レーザー線（４）を、裏面に主侵食レーザー線（３）を設け左から右に引き裂く場合について説明する。
表面は最初裏面の主侵食レーザー線（３）に誘導され包装袋上縁部と平行な引き裂き線となる。
次にある点で右下がりの侵食線に誘導され斜め右下方向の引き裂き線を形成する。
そして斜め右下方向の侵食線と下側主侵食レーザー線（２）と交差する点に達したところで、下側主侵食レーザー線（２）に誘導されて包装袋上縁部と平行な引き裂き線となる
裏面は主侵食レーザー線（３）に誘導され左右のノッチ部を結ぶような引き裂き線となる。
そうすると表面の引き裂き線は最初裏面と同じであるが、途中から侵食線により右下がりに誘導され下側主侵食レーザー線（２）に移動し、下側侵食レーザー線（２）に沿った引き裂き線となるため裏面の引き裂き線より下方に位置し、表面と裏面の引き裂き線に段差ができるため袋を開ける際に表面と裏面の隙間に指を挿入し易く開封し易くなる。
A group of continuous erosion lines in the diagonally lower right direction starting from the left notch part, a continuous erosion line in the diagonally upward right direction following the continuous erosion line group in the diagonally lower right direction, and the left starting from the right notch part A case will be described in which an oblique erosion line group is provided in an obliquely upward direction, and an erosion line group in an obliquely downward left direction is provided after the erosion line group in the obliquely upward left direction.
The case where the main erosion laser beam (1, 2) and the sub erosion laser beam (4) are provided on the front surface and the main erosion laser beam (3) is provided on the back surface and torn from the left to the right will be described.
The front surface is first guided by the main erosion laser line (3) on the back surface and becomes a tear line parallel to the upper edge of the packaging bag.
Next, at a certain point, it is guided by the erosion line descending to the right and forms a tear line in the diagonally lower right direction.
And when it reaches a point where it crosses the diagonally lower right erosion line and the lower main erosion laser line (2), the tear line is guided by the lower main erosion laser line (2) and parallel to the upper edge of the packaging bag. The back surface becomes a tear line that is guided by the main erosion laser line (3) and connects the left and right notches.
Then, the tear line on the surface is the same as the back surface at the beginning, but it is guided to the lower right by the erosion line and moves to the lower main erosion laser line (2), and the tear line along the lower erosion laser line (2) Therefore, it is located below the tear line on the back surface, and a step is formed between the tear line on the front surface and the back surface. Therefore, when opening the bag, it is easy to insert a finger into the gap between the front surface and the back surface.
右から左に切る場合は最初裏面の主侵食レーザー線（３）に誘導され上縁部と平行な引き裂き線となるが、途中から左上がりの侵食線に誘導されて上側侵食レーザー線（１）と同じ引き裂き線となる。
表面は主侵食レーザー線（３）に誘導され包装袋上縁部と平行な引き裂き線となる。
そのため表面の引き裂き線が裏面の引き裂き線より上方に位置し、表裏で引き裂き線に段差ができるため袋を開ける際に表面と裏面の隙間に指を挿入し易く開封し易くなる。
When cutting from right to left, it is first induced by the main erosion laser line (3) on the back surface and becomes a tear line parallel to the upper edge. Will be the same tear line.
The surface is guided by the main erosion laser line (3) and becomes a tear line parallel to the upper edge of the packaging bag.
For this reason, the tear line on the front surface is positioned above the tear line on the back surface, and there is a step in the tear line on the front and back surfaces. Therefore, when opening the bag, it is easy to insert a finger into the gap between the front surface and the back surface.
表面に主侵食レーザー線（３）を、裏面に主侵食レーザー線（１，２）と副侵食レーザー線（４）を設け左から右に引き裂く場合について説明する。
裏面の引き裂き線は最初表面の主侵食レーザー線（３）に沿って上縁部と平行な引き裂き線となり、裏面の引き裂き線は表面に阻害されるため表面の引き裂き線と同じ位置か上側にしかできないため、右斜め下方向の侵食線には誘導されず、斜め右上がりの侵食線に沿って右斜め上方向の引き裂き線となる。
斜め右上方向の侵食線と上側侵食レーザー線（１）と交差する点に達したところで、上側主侵食レーザー線（１）に沿って包装袋上縁部と平行な引き裂き線となる。
表面は主侵食レーザー線（３）に誘導され左右のノッチ部（５）を結ぶような引き裂き線となる。
そうすると裏面の引き裂き線は最初表面と同じであるが、途中から斜め右上がりの侵食線に誘導され上側主侵食レーザー線（１）に移動し、上側主侵食レーザー線（１）に沿った引き裂き線となるため表面の引き裂き線より上方に位置し、表面と裏面の引き裂き線に段差ができるため袋を開ける際に表面と裏面の隙間に指を挿入し易く開封し易くなる。
The case where the main erosion laser beam (3) is provided on the front surface, the main erosion laser beam (1, 2) and the sub erosion laser beam (4) are provided on the back surface, and is torn from the left to the right will be described.
The tear line on the back surface is a tear line parallel to the upper edge along the main erosion laser line (3) on the first surface, and the tear line on the back surface is obstructed by the surface, so it is only at the same position or above the surface tear line. Since it is not possible, it is not guided to the erosion line in the diagonally lower right direction, but becomes a tear line in the diagonally upper right direction along the eroded line in the diagonally upward direction.
When a point where the oblique upper right erosion line intersects the upper erosion laser line (1) is reached, a tear line parallel to the upper edge of the packaging bag is formed along the upper main erosion laser line (1).
The surface is a tear line that is guided by the main erosion laser line (3) and connects the left and right notches (5).
Then, the tear line on the back surface is the same as the first surface, but it is guided by the erosion line that goes diagonally upward from the middle, moves to the upper main erosion laser line (1), and the tear line along the upper main erosion laser line (1) Therefore, it is positioned above the tear line on the front surface, and a step is formed between the tear line on the front surface and the back surface. Therefore, when opening the bag, it is easy to insert a finger into the gap between the front surface and the back surface.
右から左に切る場合は最初表面の主侵食レーザー線（３）に誘導され上端部と平行な引き裂き線となり、表面のフィルムが抵抗となり左上がりの侵食線に誘導されず、左下がりの侵食線に誘導されて下側侵食レーザー線（２）と同じ引き裂き線となる。
表面は主侵食レーザー線（３）に誘導され包装袋上縁部と平行な引き裂き線となる。
そのため表面の引き裂き線が裏面の引き裂き線より上方に位置し、表裏で引き裂き線に段差ができるため袋を開ける際に表面と裏面の隙間に指を挿入し易く開封し易くなる。
When cutting from right to left, it is first induced by the main erosion laser line (3) on the surface and becomes a tear line parallel to the upper end, and the film on the surface becomes resistance and is not induced by the upward erosion line. To the same tear line as the lower erosion laser line (2).
The surface is guided by the main erosion laser line (3) and becomes a tear line parallel to the upper edge of the packaging bag.
For this reason, the tear line on the front surface is positioned above the tear line on the back surface, and there is a step in the tear line on the front and back surfaces. Therefore, when opening the bag, it is easy to insert a finger into the gap between the front surface and the back surface.
以上のように左右どちらの方向からでも切ることができ、また表面に副侵食レーザー線（４）を設けた場合でも裏面に副侵食レーザー線（４）を設けた場合でも切ることができるため開封する者が表裏をひっくり返した場合でも容易に引き裂くことができる。 As described above, it can be cut from either the left or right direction, and can be cut even when the sub-erosion laser beam (4) is provided on the front surface or the sub-erosion laser beam (4) is provided on the back surface. Even if the performer turns the front and back, it can be easily torn.
図８ａは主侵食レーザー線（１，２）が曲線の場合、８ｂは主侵食レーザー線（３）が曲線の場合の一例をしめす。
引き裂き線は前述の実施例で説明した通り形成されていき、引き裂き線の形状は中央付近で弧を描く凸形状となる。
主侵食レーザー線（１，２、３）は一方の面と他方の面で形状が異なっていてもよく同じであってもよい。
例えば一方の面の主侵食レーザー線（１，２）が直線で他方の面の主侵食レーザー線（３）が曲線の場合、他方の面に形成された引き裂き線は弧を描き同一平面上でも段差ができるためフィルムがつまみやすくなりさらに包装袋が開封し易くなる。
FIG. 8a shows an example when the main erosion laser line (1, 2) is a curve, and 8b shows an example when the main erosion laser line (3) is a curve.
The tear line is formed as described in the previous embodiment, and the tear line has a convex shape that draws an arc near the center.
The main erosion laser lines (1, 2, 3) may have the same shape or the same shape on one surface and the other surface.
For example, if the main erosion laser line (1, 2) on one side is a straight line and the main erosion laser line (3) on the other side is a curve, the tear line formed on the other side will draw an arc on the same plane. Since a step is formed, the film can be easily picked up and the packaging bag can be easily opened.
本発明の包装体に充填する中味は薬剤や食品等何でもよく、固形、液体などの状態は問わない。 The contents filled in the package of the present invention may be anything such as drugs and foods, and any state such as solid or liquid may be used.
この発明に係る包装袋は食品、医薬品などを封入することができる。またフィルム積層体の素材及び厚み、侵食レーザー線の長さ及び深さ、線の種類によって引き裂き易さを調節することができる。
また左右どちらからも切り裂くことができ、利き手に関係なく簡単に開けることが可能となる。
The packaging bag according to the present invention can enclose food, medicine, and the like. Further, the ease of tearing can be adjusted by the material and thickness of the film laminate, the length and depth of the erosion laser line, and the type of line.
It can be cut from either the left or right side, and can be easily opened regardless of the dominant hand.
１ 上側主侵食レーザー線
２ 下側主侵食レーザー線
３ 主侵食レーザー線
４ 副侵食レーザー線
５ ノッチ部
６ 接着面
1 Upper Main
Claims (12)
前記包装袋に開封を容易にするためにノッチ部が前記周縁部に左右１カ所ずつ対称になるように設け、
前記包装袋の表面或いは裏面のいずれか一方の面には左右のノッチ部の最も内側に位置する点を結んだ線を軸とし、その軸の上下に２本の主侵食レーザー線を対向する周縁部にわたってレーザー照射により設け、前記周縁部の左側のノッチ部を始点とし、前記２本の主侵食レーザー線間に斜め方向の複数の副侵食レーザー線からなる副侵食レーザー線群をレーザー照射により設け、さらに前記周縁部の右側のノッチ部を始点とし、前記２本の主侵食レーザー線間に斜め方向の副侵食レーザー線をレーザー照射により設け、
前記包装袋の他方の面には左右のノッチ部を結んだ主侵食レーザー線をレーザー照射により１以上設け、
前記左側ノッチ部または右側ノッチ部を始点として設ける副侵食レーザー線は、
第一の方向に設けられた複数の侵食線からなる侵食線群と第二の方向に設けられた複数の侵食線からなる他の侵食線群からなり、
第一の方向は右上がりの侵食線であり、第二の方向は右下がりである
または第一の方向は右下がりであり、第二の方向は右上がりである
ことを特徴とする包装袋。 A film laminate made of a film material is folded, and its peripheral edge is formed by bonding by a coupling means and is irradiated with a laser to facilitate opening, and is a packaging bag provided with an erosion laser beam,
In order to make the packaging bag easier to open, the notch part is provided symmetrically on the peripheral part one by one on the left and right sides,
The periphery of the front or back surface of the packaging bag is a line connecting the innermost points of the left and right notches, and the two main erosion laser lines are opposed to the upper and lower sides of the axis. Provided by laser irradiation over a part, and a sub-erosion laser line group comprising a plurality of oblique sub-erosion laser lines is provided by laser irradiation between the two main erosion laser lines starting from the left notch part of the peripheral edge. Furthermore, starting from the notch portion on the right side of the peripheral edge, an oblique sub-erosion laser line is provided by laser irradiation between the two main erosion laser lines,
One or more main erosion laser beams having left and right notches connected to the other surface of the packaging bag are provided by laser irradiation,
A secondary erosion laser line provided with the left notch or the right notch as a starting point,
An erosion line group consisting of a plurality of erosion lines provided in the first direction and another erosion line group consisting of a plurality of erosion lines provided in the second direction,
A packaging bag, characterized in that the first direction is an upward erosion line, the second direction is right downward or the first direction is downward right and the second direction is upward right.
前記包装袋に開封を容易にするためにノッチ部を前記周縁部に左右１カ所ずつ対称になるように設ける工程と、
前記包装袋の表面或いは裏面のいずれか一方の面には左右のノッチ部の最も内側に位置する点を結んだ線を軸とし、その軸の上下に２本の主侵食レーザー線を上下に対向する周縁部にわたってレーザー照射により設ける工程と、
前記周縁部の左右いずれかのノッチ部を始点とし、前記２本の主侵食レーザー線間に斜め方向の副侵食レーザー線をレーザー照射により設ける工程と、
前記包装袋の他方の面には左右のノッチ部を結んだ主侵食レーザー線をレーザー照射により１以上設ける工程と、を含み、
前記副侵食レーザー線を設ける工程は、
Ａ左のノッチ部を始点にレーザー照射により右下がりの複数の連続した侵食線と、複数の連続した右下がりの侵食線に続きレーザー照射により右上がりの複数の連続した侵食線を設け
右のノッチ部を始点にレーザー照射により左下がりの複数の連続した侵食線と、複数の連続した左下がりの侵食線に続きレーザー照射により左上がりの複数の連続した侵食線を設ける工程
Ｂ左のノッチ部を始点にレーザー照射により右下がりの複数の連続した侵食線と、複数の連続した右下がりの連続した侵食線に続きレーザー照射により右上がりの複数の侵食線を設け
右のノッチ部を始点にレーザー照射により左上がりの複数の連続した侵食線と、複数の連続した左上がりの侵食線に続きレーザー照射により左下がりの複数の連続した侵食線を設ける工程
Ｃ左のノッチ部を始点にレーザー照射により右上がりの複数の連続した侵食線と、複数の連続した右上がりの侵食線に続きレーザー照射により右下がりの複数の連続した侵食線を設け
右のノッチ部を始点にレーザー照射により左下がりの複数の連続した侵食線と、複数の連続した左下がりの侵食線に続きレーザー照射により左上がりの複数の連続した侵食線を設ける工程
Ｄ左のノッチ部を始点にレーザー照射により右上がりの複数の連続した侵食線と、複数の連続した右上がりの侵食線に続きレーザー照射により右下がりの複数の連続した侵食線を設け
右のノッチ部を始点にレーザー照射により左上がりの複数の連続した侵食線と、複数の連続した左上がりの侵食線に続きレーザー照射により左下がりの連続した複数の侵食線を設ける工程
のうちいずれか一つの工程により形成されることを特徴とする包装袋に侵食レーザー線を設ける方法。 In this method, a film laminate made of a film material is folded, and the periphery is joined by a coupling means to irradiate a laser to facilitate the opening of a packaging bag formed and to provide an erosion laser beam. And
A step of providing a notch portion so as to be symmetrical one by one on the peripheral edge portion in order to facilitate opening of the packaging bag;
Either the front or back surface of the packaging bag has a line connecting the innermost points of the left and right notches as the axes, and two main erosion laser lines are vertically opposed to the upper and lower sides of the axis. A step of providing laser irradiation over the peripheral edge,
A process of providing an oblique sub-erosion laser line by laser irradiation between the two main erosion laser lines, starting from the left or right notch part of the peripheral part; and
Providing one or more main erosion laser beams with left and right notches connected to the other surface of the packaging bag by laser irradiation,
The step of providing the secondary erosion laser line includes:
A The right notch is provided with a plurality of continuous erosion lines descending to the right by laser irradiation and a plurality of continuous erosion lines descending to the right by laser irradiation following the laser irradiation. Step B left notch part by providing a plurality of continuous erosion lines that are descending to the left by laser irradiation and a plurality of continuous erosion lines that are descending to the left by laser irradiation following the plurality of continuous erosion lines that are descending to the left. Multiple starting erosion lines descending to the right by laser irradiation at the start point, followed by multiple consecutive erosion lines descending to the right, followed by multiple erosion lines rising to the right by laser irradiation, and laser irradiation starting from the right notch Step C of providing a plurality of continuous erosion lines ascending to the left, and a plurality of continuous erosion lines descending to the left by laser irradiation, followed by a plurality of continuous erosion lines ascending to the left. Starting from the notch part of the laser, the laser is irradiated with a plurality of continuous erosion lines that rise to the right and a plurality of continuous erosion lines that rise to the right followed by a plurality of continuous erosion lines that descend to the right by laser irradiation. Starting with a notch on the left side of Step D, providing a plurality of continuous erosion lines descending to the left by laser irradiation and a plurality of continuous erosion lines descending to the left by laser irradiation at the start point Multiple continuous erosion lines rising to the right by laser irradiation and multiple continuous erosion lines to the right by laser irradiation followed by multiple continuous erosion lines to the right by laser irradiation and left by laser irradiation starting from the right notch The process of providing a plurality of continuous erosion lines that are rising and a plurality of continuous erosion lines that are continuously rising to the left, followed by a plurality of erosion lines that are continuously falling to the left by laser irradiation. Method of providing an erosion laser line in a packaging bag characterized by being formed by either one step.
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