JP2013180812A - Cushioning material - Google Patents

Cushioning material Download PDF

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JP2013180812A
JP2013180812A JP2012046759A JP2012046759A JP2013180812A JP 2013180812 A JP2013180812 A JP 2013180812A JP 2012046759 A JP2012046759 A JP 2012046759A JP 2012046759 A JP2012046759 A JP 2012046759A JP 2013180812 A JP2013180812 A JP 2013180812A
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air
cushioning material
air chamber
seal portion
film
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JP6015031B2 (en
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Nobuyuki Watanabe
信之 渡辺
Yuya Hoshino
雄也 星野
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Toppan Inc
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Toppan Printing Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To propose an air-filled cushioning material having high cushioning effect, capable of being freely designed in conformity with the shape and weight of a commodity, facilitating filling of air and efficient packaging, having a simple structure, and capable of being inexpensively supplied.SOLUTION: An air-filled cushioning material is provided with an air chamber therein, wherein sealing surfaces of an outer surface film and an inner surface film are disposed opposite each other to seal a peripheral edge. The sealing surfaces of outer surface film edge parts overhanging from edge parts of the inner surface film are disposed opposite each other to form a fin seal part, and upper and lower edge parts are thereby annularly formed. The air chamber is divided into a plurality of laterally long small air chambers in communication with each other by air chamber horizontal seal parts alternately directed inward from a right peripheral edge seal part and a left peripheral edge seal part. Air is charged into all of the small air chambers by blowing the air from an air blowing port provided at one place of the peripheral edge seal part, and the air blowing opening is then tightly sealed.

Description

本発明は、損傷しやすい商品を輸送する際に、商品を衝撃から保護するために使用する緩衝材に関し、特に2枚のフィルムを貼り合せて空気を封入し、空気室を形成した空気入り緩衝材に関する。   The present invention relates to a cushioning material used to protect a product from impact when transporting a product that is easily damaged, and more particularly, a pneumatic buffer in which an air chamber is formed by bonding two films and enclosing air. Regarding materials.

空気のクッション性を利用した緩衝材としては、肉薄の合成樹脂フィルムのチューブに空気を封入し、一定間隔にシール部分を設けて、繋がった風船状にしたもの等が知られている。これらの緩衝材は、体積当たりのコストが非常に小さくて済むため、商品を収納した箱の空隙を充填する用途などに利用されている。   As a cushioning material using air cushioning properties, a thin synthetic resin film tube in which air is sealed and a sealing portion is provided at regular intervals to form a connected balloon is known. Since these cushioning materials can be very low in cost per volume, they are used for applications such as filling a space in a box containing products.

しかし、箱の隙間にクッション材を充填しただけでは、商品の形状や重さによっては、箱の内部で商品が箱の外側に向かって移動してしまったりして、十分な保護効果を望めない。   However, just filling the gaps in the box with cushioning material may cause the product to move toward the outside of the box depending on the shape and weight of the product, and a sufficient protective effect cannot be expected. .

商品の保護効果を万全にするためには、商品そのものの外周をクッション性のある緩衝材で囲み、外れないように固定することが必要である。   In order to fully protect the product, it is necessary to surround the outer periphery of the product itself with a cushioning cushioning material and fix it so that it does not come off.

特許文献1に記載された防錆包装袋は、衝撃緩衝機能を有する外層シートと気化性防錆剤を含有する内層シートを積層して周縁部を接着し、外層シートと内層シートの間に空気層を設けたことを特徴とする防錆包装袋である。   The rust-proof packaging bag described in Patent Document 1 is formed by laminating an outer layer sheet having an impact buffering function and an inner layer sheet containing a vaporizable rust preventive agent, and adhering the peripheral portion, and air between the outer layer sheet and the inner layer sheet. A rust-proof packaging bag provided with a layer.

特許文献1に記載された防錆包装袋は、錆びやすい金属部品を梱包することを目的としており、外層シートは、内層シートに含まれる気化防錆剤の揮散を抑制することを主目的としているので、内層シートと外層シートの間の空気層を十分に膨らましてクッション効果を発揮することを主眼としていない。   The rust-proof packaging bag described in Patent Document 1 is intended to pack metal parts that are easily rusted, and the outer layer sheet is mainly intended to suppress the volatilization of the vaporized rust preventive contained in the inner layer sheet. Therefore, the main purpose is not to sufficiently inflate the air layer between the inner layer sheet and the outer layer sheet to exhibit a cushioning effect.

このため、特許文献1に記載された防錆包装袋は、空気が漏れないように十分な量の空気を充填するしくみがなく、また空気室も一つの空間だけであるので、商品を衝撃から保護する緩衝材としての機能は十分ではなかった。また、商品が小さいものである場合には特に問題にならないが、商品が大きくなり、重量が増すと商品の動きを規制しにくくなるため、包装の仕上りが非常に大きくなってしまうという問題があった。   For this reason, the rust-proof packaging bag described in Patent Document 1 does not have a mechanism for filling a sufficient amount of air so that air does not leak, and the air chamber is only one space. The function as a buffer material to protect was not sufficient. In addition, there is no particular problem when the product is small, but if the product becomes large and the weight increases, it becomes difficult to regulate the movement of the product, resulting in a problem that the packaging finish becomes very large. It was.

特許文献2に記載された緩衝包装袋は、上記の問題を解決するものであり、横方向に連続して多数の区画された密封袋部の全てに1箇所から空気を充填できるとともに、密封袋部に充填された空気は、密封袋部から抜け出ないように各密封袋部がそれぞれ独立して密封状態を保持するように構成された合成樹脂フィルム製シートからなる緩衝材を用い、この緩衝材が筒状となるように密封袋部が長さ方向に折り曲げられて折り曲げ方向における緩衝材の端部同士を溶着により接合させてなり、横方向に並ぶ両端部に位置する密封袋部は空気が充填された状態においてその間に位置する密封袋部に比べて径が大きくなるように構成したことを特徴とする緩衝包装袋である。   The buffer packaging bag described in Patent Document 2 solves the above-mentioned problem, and can be filled with air from one place in all the sealed bag portions that are continuously divided in the lateral direction. The air filled in the portion is made of a cushioning material made of a synthetic resin film sheet configured such that each sealed bag portion independently maintains a sealed state so as not to escape from the sealed bag portion. The sealing bag part is folded in the length direction so that the cylinder is cylindrical, and the end parts of the cushioning material in the folding direction are joined together by welding, and the sealing bag part located at both end parts aligned in the horizontal direction has air In the filled state, the buffer packaging bag is characterized in that the diameter is larger than that of the sealed bag portion positioned therebetween.

特許文献2に記載された緩衝包装袋は、空気を充填した密封袋部を多数有し、そのそれぞれに充填した空気が漏れないようにするために、各密封袋部に逆止弁を備えている。   The buffer packaging bag described in Patent Document 2 has a large number of sealed bag portions filled with air, and each sealed bag portion is provided with a check valve in order to prevent the air filled therein from leaking. Yes.

特開2010-215280号公報JP 2010-215280 A 特開2003-118773号公報Japanese Patent Laid-Open No. 2003-118773

特許文献2に記載された緩衝包装袋は、複数の独立した空気室を備え、各空気室に同時に空気を充填できる機構と、その空気が漏れないようにするために、各空気室毎に逆止弁を備えた構造であるため、構造的に複雑であり、高価なものとならざるを得ない。   The buffer packaging bag described in Patent Document 2 includes a plurality of independent air chambers, a mechanism capable of simultaneously filling each air chamber, and a reverse for each air chamber in order to prevent the air from leaking. Since it is a structure provided with a stop valve, it is structurally complicated and must be expensive.

本発明の解決しようとする課題は、緩衝効果が高く、保護しようとする商品の形状や重量に合わせて、自由に設計が可能であり、空気の充填が容易でしかも能率良く包装ができ、かつ構造が簡単で安価に供給できる空気入り緩衝材を提案するものである。   The problem to be solved by the present invention has a high buffering effect, can be freely designed according to the shape and weight of the product to be protected, can be easily filled with air, and can be packaged efficiently. A pneumatic cushioning material that has a simple structure and can be supplied at low cost is proposed.

上記の課題を解決するための手段として、請求項1に記載の発明は、外面フィルムのシール面と内面フィルムのシール面を対向させて、周縁をシールし、前記2枚のフィルム間に空気室を設けた空気入り緩衝材であって、前記外面フィルムの上下の端部は、前記内面フィルムの端部よりも突出しており、この突出した外面フィルム端部のシール面同士を対向させて合掌シール部を形成することにより、環状に成形されており、前記空気室は、右側周縁シール部および左側周縁シール部から交互に内部に向かう空気室水平シール部によって、複数の横長の、かつ連通した小空気室に分割されており、周縁シール部の1箇所に設けた未シール部である空気吹込み口から空気を吹き込むことにより、すべての小空気室に空気を充填した後、空気吹込み口を密封シールしたことを特徴とする緩衝材である。   As means for solving the above-mentioned problems, the invention according to claim 1 is characterized in that the sealing surface of the outer surface film and the sealing surface of the inner surface film are opposed to each other, the peripheral edge is sealed, and the air chamber is interposed between the two films. The upper and lower end portions of the outer surface film protrude from the end portions of the inner surface film, and the sealing surfaces of the protruding outer film end portions face each other. The air chamber is formed into an annular shape by forming a portion, and the air chamber is formed of a plurality of horizontally long and communicated small portions by an air chamber horizontal seal portion that alternately goes inward from the right peripheral seal portion and the left peripheral seal portion. Air is blown after all the small air chambers have been filled by blowing air from an air blowing port which is divided into air chambers and is an unsealed portion provided at one location of the peripheral seal portion. A buffer material, characterized in that the hermetic seal of the mouth.

本発明に係る緩衝材は、外面フィルムと内面フィルムのシール面同士を対向させて、周縁をシールし、フィルム間に空気室を設けた空気入り緩衝材であり、突出した外面フィルム端部のシール面同士を対向させて合掌シール部を形成することにより、環状に成形したので、輪の中に商品を入れ、空気を吹き込むことにより、商品の周囲を空気層で取り囲むように保護する緩衝材としての機能が発揮される。   The cushioning material according to the present invention is a pneumatic cushioning material in which the sealing surfaces of the outer film and the inner film face each other, the peripheral edge is sealed, and an air chamber is provided between the films. As a cushioning material that protects the product to be surrounded by an air layer by putting the product in a ring and blowing air, because it is formed in an annular shape by forming a joint seal part with the faces facing each other The function of is demonstrated.

また空気室は、右側周縁シール部および左側周縁シール部から交互に内部に向かう空気室水平シール部によって、複数の横長の小空気室に分割されているので、商品の形状に合わせて水平シール部の位置を設定することにより商品の形状にカスタマイズすることが容易に可能である。また、これら複数の小空気室は連通しているので、1箇所から空気を吹き込むことにより、すべての小空気室を膨らませることができる。   In addition, the air chamber is divided into a plurality of horizontally long small air chambers by the air chamber horizontal seal portion alternately inward from the right peripheral seal portion and the left peripheral seal portion, so the horizontal seal portion is adapted to the shape of the product. By setting the position, it is possible to easily customize the shape of the product. Moreover, since these several small air chambers are connected, all the small air chambers can be inflated by blowing air from one place.

また、請求項2に記載の発明は、前記空気吹込み口から最初の小空気室に至る空気導入路がL字型に屈曲していることを特徴とする請求項1に記載の緩衝材である。   The invention according to claim 2 is the cushioning material according to claim 1, wherein an air introduction path from the air blowing port to the first small air chamber is bent in an L shape. is there.

また、請求項3に記載の発明は、前記空気導入路が最初の小空気室に開口する部分の空気室水平シール部が、先端が鋭角の刀状であり、シール幅が他のシール部よりも広い刀状シール部を形成したことを特徴とする請求項1または2に記載の緩衝材である。   According to a third aspect of the present invention, the air chamber horizontal seal portion where the air introduction path opens to the first small air chamber has an acute-angled sword shape, and the seal width is larger than that of other seal portions. The shock absorbing material according to claim 1 or 2, wherein a wide sword-shaped seal portion is formed.

本発明に係る緩衝材は、内面と外面の2枚のフィルムをシールして製造されるものであり、空気を導入するための管や逆止弁等を一切使用しないので、安価に製造できる。   The cushioning material according to the present invention is manufactured by sealing two films of an inner surface and an outer surface, and does not use any pipe or check valve for introducing air, so that it can be manufactured at a low cost.

また環状に成形されているので、輪の中に商品を入れて膨らますだけの簡単な操作で商品に取り付けることができる。さらに空気室水平シール部の位置を商品に合せて設計することにより、商品の形状に最適な形状とすることができる。   Also, since it is molded in an annular shape, it can be attached to the product with a simple operation of placing the product in a ring and inflating it. Furthermore, by designing the position of the air chamber horizontal seal portion according to the product, it is possible to obtain an optimum shape for the product.

周縁シール部の1箇所に設けた未シール部である空気吹込み口から空気を吹き込むことにより、すべての小空気室に空気を充填した後、空気吹込み口を密封シールするだけの簡単な操作で緩衝材が完成するので、能率良く梱包作業ができる。   A simple operation of sealing and sealing the air blowing port after all the small air chambers are filled with air by blowing air from the air blowing port which is an unsealed portion provided at one place of the peripheral seal portion. Since the cushioning material is completed, packing work can be performed efficiently.

請求項2に記載の発明において、空気吹込み口から最初の小空気室に至る空気導入路がL字型に屈曲している場合、空気を吹き込むことによって、空気導入路がフィルムのしわによって自然に閉鎖され、吹込みノズルを抜去してもすぐには内部の空気が抜けないようになる。このため、空気密封シールがやり易くなる。この効果は、前記空気導入路が最初の小空気室に開口する部分の空気室水平シール部が、先端が鋭角の刀状であり、シール幅が他のシール部よりも広い刀状シール部である場合において、さらに顕著となる。   In the invention according to claim 2, when the air introduction path from the air blowing port to the first small air chamber is bent in an L shape, the air introduction path is naturally formed by wrinkles of the film by blowing air. The internal air will not escape immediately after the blowing nozzle is removed. For this reason, it becomes easy to do an air-sealing seal. The effect is that the air chamber horizontal seal portion where the air introduction path opens to the first small air chamber has a sharp sword shape at the tip, and a sword-shaped seal portion whose seal width is wider than other seal portions. In some cases it becomes even more pronounced.

図1は、本発明に係る緩衝材の一実施態様を示した斜視図である。FIG. 1 is a perspective view showing an embodiment of a cushioning material according to the present invention. 図2は、図1のX−X’断面を示した断面模式図である。FIG. 2 is a schematic cross-sectional view showing the X-X ′ cross section of FIG. 1. 図3は、本発明に係る緩衝材を環状に形成する前の状態を示した平面説明図である。FIG. 3 is an explanatory plan view showing a state before the buffer material according to the present invention is formed in an annular shape.

以下図面を参照しながら、本発明に係る緩衝材について詳細に説明する。
図1は、本発明に係る緩衝材の一実施態様を示した斜視図である。図2は、図1のX−X’断面を示した断面模式図である。また図3は、本発明に係る緩衝材を環状に形成する前の状態を示した平面説明図である。以下これらの図を参照しながら説明する。
Hereinafter, the cushioning material according to the present invention will be described in detail with reference to the drawings.
FIG. 1 is a perspective view showing an embodiment of a cushioning material according to the present invention. FIG. 2 is a schematic cross-sectional view showing the XX ′ cross section of FIG. 1. FIG. 3 is an explanatory plan view showing a state before the buffer material according to the present invention is formed in an annular shape. This will be described below with reference to these drawings.

本発明に係る緩衝材(1)は、外面フィルム(2)と内面フィルム(3)のシール面同士を対向させて、周縁をシールし、フィルム間に空気室を設けた空気入り緩衝材であって、外面フィルム(2)は、上下の端部が内面フィルム(3)の端部よりも突出しており、この突出した外面フィルム端部のシール面同士を対向させて合掌シール部(16)を形成することにより、環状に成形されている。   The cushioning material (1) according to the present invention is a pneumatic cushioning material in which the sealing surfaces of the outer film (2) and the inner film (3) are opposed to each other, the periphery is sealed, and an air chamber is provided between the films. In the outer film (2), the upper and lower end portions protrude from the end portion of the inner film (3), and the sealing surfaces (16) are formed with the seal surfaces of the protruding outer film end portions facing each other. By forming, it is formed into an annular shape.

空気室は、右側周縁シール部(12)および左側周縁シール部(13)から交互に内部に向かう空気室水平シール部(11)によって、複数の横長の、かつ連通した小空気室(8)に分割されている。   The air chamber is divided into a plurality of horizontally long and communicated small air chambers (8) by an air chamber horizontal seal portion (11) alternately directed inward from the right peripheral seal portion (12) and the left peripheral seal portion (13). It is divided.

周縁シール部の1箇所に設けた未シール部である空気吹込み口(6)から空気を吹き込むことにより、すべての小空気室(8)に空気を充填した後、空気吹込み口(6)の先の、空気密封シール予定部(17a)を密封シールして、空気密封シール部(図示せず)を形成することにより空気入り緩衝材(1)が完成する。   After filling all the small air chambers (8) by blowing air from an air blowing port (6) which is an unsealed portion provided at one place of the peripheral seal portion, the air blowing port (6) The pneumatic cushioning material (1) is completed by hermetically sealing the air-sealed seal planned portion (17a) and forming an air-sealed seal portion (not shown).

本発明に係る緩衝材(1)は、外面フィルム(2)と内面フィルム(3)の2枚のフィルムのシール面同士を対向させて、周縁をシールし、フィルム間に小空気室(8)を設けた構造であり、フィルム以外の特別な部材を用いないので、コストを低く抑えることができる。   The shock-absorbing material (1) according to the present invention seals the peripheral edge of the two films of the outer film (2) and the inner film (3) facing each other, and a small air chamber (8) between the films. Since a special member other than a film is not used, the cost can be kept low.

また、空気室を複数の空気室水平シール部(11)によって分割しているため、保護しようとする商品の外形に合わせて無駄のない設計が可能であり、最小限の材料で緩衝材を製造することができる。   In addition, since the air chamber is divided by a plurality of air chamber horizontal seals (11), it is possible to design without waste according to the outer shape of the product to be protected, and to produce a cushioning material with a minimum of materials can do.

また緩衝材は、予め環状に成形されているので、商品を内部に挿入して空気を吹き込むだけの簡単な操作で梱包ができる。さらに複数の小空気室(8)が連通しており、1箇所の空気吹込み口(6)から空気を吹き込むだけで、すべての小空気室(8)を膨らませることができるので、梱包作業の能率が良い。   In addition, since the cushioning material is formed in an annular shape in advance, the cushioning material can be packed by a simple operation of simply inserting a product into the interior and blowing in air. Furthermore, since a plurality of small air chambers (8) communicate with each other, all the small air chambers (8) can be inflated simply by blowing air from one air blowing port (6). The efficiency of is good.

図3に示した実施態様では、空気吹込み口(6)から最初の小空気室に至る空気導入路(7)がL字型に屈曲している。このように空気導入路(7)を配置すると、空気を吹き込んで、小空気室(8)が膨らんだ時、空気導入路(7)の非対称性から、フィルムに皺が入り、空気導入路(7)が閉塞しやすくなる。この事は、空気を充填した後、エアーノズルを抜去しても、すぐには空気が抜けない事を意味しており、空気充填作業性が向上する。   In the embodiment shown in FIG. 3, the air introduction path (7) from the air inlet (6) to the first small air chamber is bent in an L shape. When the air introduction path (7) is arranged in this way, when air is blown and the small air chamber (8) is inflated, wrinkles enter the film due to the asymmetry of the air introduction path (7), and the air introduction path ( 7) becomes easy to block. This means that even if the air nozzle is removed after the air is filled, the air does not escape immediately, and the air filling workability is improved.

図3に示した実施態様では、さらに空気導入路(7)が最初の小空気室に開口する部分の空気室水平シール部の先端を鋭角の刀状とし、シール幅も他のシール部よりも広い刀状シール部(15)としている。このようにする事により、さらにフィルムの皺が強く発生し易くなり、空気充填作業性が向上する。   In the embodiment shown in FIG. 3, the tip of the air chamber horizontal seal portion of the portion where the air introduction path (7) opens to the first small air chamber has a sharp sword shape, and the seal width is larger than that of the other seal portions. A wide sword seal (15) is provided. By doing in this way, it becomes easy to generate | occur | produce the wrinkle of a film more strongly, and air filling workability | operativity improves.

本発明に係る緩衝材(1)に使用するフィルムとしては、各種の熱可塑性樹脂フィルムが使用可能であり、対象となる商品の大きさ、形状、重量、さらには必要とされる耐衝撃性の程度に応じて適宜設計される。   As the film used for the cushioning material (1) according to the present invention, various thermoplastic resin films can be used, and the size, shape, weight, and required impact resistance of the target product can be used. It is designed appropriately according to the degree.

要求されるレベルが高くない場合には、ポリエチレン樹脂、ポリプロピレン樹脂等のポリオレフィン系樹脂の単体フィルムで良い場合もある。必要とされるレベルが高い場合には、例えばポリエステル樹脂フィルムやポリアミド樹脂フィルム等の十分な強度を持ったフィルムを用いることができる。さらにこれらの高強度フィルムに、シーラント層としてポリオレフィン系樹脂フィルムを貼り合せたラミネートフィルムを使用することができる。   If the required level is not high, a single film of polyolefin resin such as polyethylene resin or polypropylene resin may be used. When the required level is high, a film having sufficient strength such as a polyester resin film or a polyamide resin film can be used. Furthermore, a laminate film obtained by bonding a polyolefin resin film as a sealant layer to these high-strength films can be used.

またさらに、長期間使用しても空気が抜けないようにするために、中間にガスバリア性の層を設けてもよい。なお、外面フィルム(2)と内面フィルム(3)とは、必ずしも同じ仕様のフィルムである必要はない。
以下実施例に基づいて、本発明に係る緩衝材についてさらに具体的に説明する。
Furthermore, a gas barrier layer may be provided in the middle so that air does not escape even after long-term use. The outer film (2) and the inner film (3) do not necessarily have the same specification.
Hereinafter, the buffer material according to the present invention will be described more specifically based on examples.

厚さ12μmのポリエステル樹脂フィルムと厚さ40μmのポリエチレン樹脂フィルムをドライラミネート用接着剤を用いて貼り合わせ、ラミネートフィルムを作成した。外面フィルムとして、220mm×420mm、内面フィルムとして200mm×400mmのラミネートフィルムを切り取り、シーラント面であるポリエチレン樹脂面を対向させて、周縁をシールし、さらに図3に示したようなパターンで空気室水平シール部を設けた。シール幅は、約5mm、空気室水平シール部の間隔は、約50mmである。刀状シール部の幅は,約15mmとした。   A polyester resin film having a thickness of 12 μm and a polyethylene resin film having a thickness of 40 μm were bonded together using an adhesive for dry lamination to prepare a laminate film. A laminate film of 220 mm × 420 mm as the outer surface film and 200 mm × 400 mm as the inner surface film is cut out, the polyethylene resin surface which is the sealant surface is opposed, the peripheral edge is sealed, and the air chamber is horizontal in a pattern as shown in FIG. A seal was provided. The seal width is about 5 mm, and the interval between the air chamber horizontal seal portions is about 50 mm. The width of the sword-shaped seal part was about 15 mm.

天地にはみ出した外面フィルムのシーラント面同士をシールして合掌シール部を作成し、環状に成形した。直径80mm、高さ140mmの円筒形の商品を輪の中に挿入し、空気吹込み口にエアーノズルを差し込んで、圧縮空気を充填した。L字型に屈曲した空気導入路と刀状シール部の働きにより、エアーノズルを抜去してもエアー漏れは生じなかった。空気密封シール部をシールして、緩衝材中の空気を密封した。   The sealant surfaces of the outer surface film that protruded from the top and bottom were sealed to create a palm seal part, which was then formed into an annular shape. A cylindrical product having a diameter of 80 mm and a height of 140 mm was inserted into the ring, and an air nozzle was inserted into the air blowing port to fill with compressed air. Due to the action of the air introduction path bent in an L-shape and the sword-shaped seal portion, no air leakage occurred even when the air nozzle was removed. The air-sealing seal was sealed to seal the air in the cushioning material.

厚さ12μmのポリエステル樹脂フィルムに替えて、厚さ15μmのナイロンフィルム
を用いた以外は、実施例1と同様にして緩衝材を作成し、実施例1の場合と同様の商品を挿入して評価した。
A cushioning material was prepared in the same manner as in Example 1 except that a nylon film having a thickness of 15 μm was used instead of the polyester resin film having a thickness of 12 μm, and the same products as in Example 1 were inserted for evaluation. did.

実施例1の緩衝材と、実施例2の緩衝材は、いずれの場合も商品は、各空気室の圧力によってほぼ均等に保持されており、緩衝材の中で動くようなことはなかった。   In both cases, the cushioning material of Example 1 and the cushioning material of Example 2 were held almost evenly by the pressure of each air chamber, and did not move in the cushioning material.

1・・・緩衝材
2・・・外面フィルム
3・・・内面フィルム
5・・・商品
6・・・空気吹込み口
7・・・空気導入路
8・・・小空気室
11・・・空気室水平シール部
12・・・右側周縁シール部
13・・・左側周縁シール部
14・・・下部周縁シール部
15・・・刀状シール部
16・・・合掌シール部
16a、16b・・・合掌シール予定部
17a・・・空気密封シール予定部
DESCRIPTION OF SYMBOLS 1 ... Buffer material 2 ... Outer surface film 3 ... Inner surface film 5 ... Product 6 ... Air blowing inlet 7 ... Air introduction path 8 ... Small air chamber 11 ... Air Horizontal chamber seal 12 ... Right peripheral seal 13 ... Left peripheral seal 14 ... Lower peripheral seal 15 ... Sword seal 16 ... Palm seal 16a, 16b ... Palm Planned seal portion 17a: Planned air-sealed seal

Claims (3)

外面フィルムのシール面と内面フィルムのシール面を対向させて、周縁をシールし、前記2枚のフィルム間に空気室を設けた空気入り緩衝材であって、
前記外面フィルムの上下の端部は、前記内面フィルムの端部よりも突出しており、この突出した外面フィルム端部のシール面同士を対向させて合掌シール部を形成することにより、環状に成形されており、
前記空気室は、右側周縁シール部および左側周縁シール部から交互に内部に向かう空気室水平シール部によって、複数の横長の、かつ連通した小空気室に分割されており、
周縁シール部の1箇所に設けた未シール部である空気吹込み口から空気を吹き込むことにより、すべての小空気室に空気を充填した後、空気吹込み口を密封シールしたことを特徴とする緩衝材。
A pneumatic cushioning material in which the sealing surface of the outer film and the sealing surface of the inner film are opposed to each other, the periphery is sealed, and an air chamber is provided between the two films,
The upper and lower end portions of the outer surface film protrude from the end portions of the inner surface film, and are formed into an annular shape by forming a palm seal portion by making the protruding seal faces of the outer surface film faces each other. And
The air chamber is divided into a plurality of horizontally long and communicating small air chambers by an air chamber horizontal seal portion that alternately goes inward from the right peripheral seal portion and the left peripheral seal portion,
The air blowing port is hermetically sealed after all the small air chambers are filled with air by blowing air from an air blowing port which is an unsealed portion provided at one place of the peripheral seal portion. Cushioning material.
前記空気吹込み口から最初の小空気室に至る空気導入路がL字型に屈曲していることを特徴とする請求項1に記載の緩衝材。   The cushioning material according to claim 1, wherein an air introduction path from the air blowing port to the first small air chamber is bent in an L shape. 前記空気導入路が最初の小空気室に開口する部分の空気室水平シール部は、先端が鋭角の刀状であり、シール幅が他のシール部よりも広い刀状シール部を形成したことを特徴とする請求項1または2に記載の緩衝材。   The air chamber horizontal seal portion where the air introduction path opens to the first small air chamber has a sharp sword shape at the tip, and a sword-shaped seal portion whose seal width is wider than other seal portions. The cushioning material according to claim 1 or 2, characterized in that
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