JPH04112054U - battery packaging - Google Patents

battery packaging

Info

Publication number
JPH04112054U
JPH04112054U JP1631991U JP1631991U JPH04112054U JP H04112054 U JPH04112054 U JP H04112054U JP 1631991 U JP1631991 U JP 1631991U JP 1631991 U JP1631991 U JP 1631991U JP H04112054 U JPH04112054 U JP H04112054U
Authority
JP
Japan
Prior art keywords
film
heat
packaging
battery
ethylene
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP1631991U
Other languages
Japanese (ja)
Other versions
JP2527853Y2 (en
Inventor
宗治 八木
睦巳 若井
真理子 杉本
Original Assignee
グンゼ株式会社
松下電器産業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by グンゼ株式会社, 松下電器産業株式会社 filed Critical グンゼ株式会社
Priority to JP1991016319U priority Critical patent/JP2527853Y2/en
Publication of JPH04112054U publication Critical patent/JPH04112054U/en
Application granted granted Critical
Publication of JP2527853Y2 publication Critical patent/JP2527853Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Packages (AREA)
  • Wrappers (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

(57)【要約】 【目的】 電池の熱収縮包装を行うに当たり、廃棄物処
理の面での公害を小さくし、電池の包装体としての外観
特性を有し、自動販売機での取り扱い容易な電池の包装
体を提供するものである。 【構成】 エチレン・プロピレン共重合体をベースに
し、石油樹脂を混合した収縮包装用ポリプロピレン系フ
ィルムを用いる電池の包装体である。
(57) [Summary] [Purpose] In heat-shrink packaging for batteries, we aim to reduce pollution in terms of waste disposal, have the appearance characteristics of battery packaging, and be easy to handle in vending machines. The present invention provides a battery package. [Structure] This is a battery packaging body that uses shrink wrapping polypropylene film based on ethylene-propylene copolymer and mixed with petroleum resin.

Description

【考案の詳細な説明】[Detailed explanation of the idea]

【0001】0001

【産業上の利用分野】[Industrial application field]

本考案は、電池の熱収縮包装あるいは電池の内部部品の熱収縮包装による電池 の包装体に関する。 This invention is a battery that uses heat-shrinkable packaging for batteries or heat-shrinkable packaging for internal parts of batteries. Relating to a package.

【0002】0002

【従来の技術】[Conventional technology]

従来から電池の外部包装あるいは電池の内部部品の熱収縮包装に関しては、ポ リ塩化ビニール系等の熱収縮性フィルムが使用されている。 Conventionally, regarding the external packaging of batteries or the heat shrink packaging of internal battery parts, Heat-shrinkable films such as polyvinyl chloride are used.

【0003】0003

【考案が解決しようとする課題】[Problem that the idea aims to solve]

塩ビ系フィルムは、周囲の温度変化によるフィルム特性の変化が大きく、周囲 の温度が40℃付近以上になるとフィルムの摩擦係数が大きくなり、0℃程度の低 温になるとフィルムの破壊強度が低下する。 例えば電池の自動販売機等のように段積みされた電池の包装体同士の接触部が 大きい場合は、周囲温度が40℃程度になると接触部の摩擦力が大きくなりブロッ キング現象を発生し、電池の包装体が自動販売機より自動的に排出しなくなるし 、また同販売機において周囲温度が0℃程度になると電池の包装体を自由落下さ せた際に包装体の破壊率が増加するという欠点があった。 PVC film has a large change in film characteristics due to changes in ambient temperature. When the temperature exceeds around 40℃, the coefficient of friction of the film increases, As the temperature increases, the breaking strength of the film decreases. For example, in a battery vending machine, etc., the contact area between stacked battery packs is If it is large, the frictional force at the contact will increase when the ambient temperature reaches around 40°C, causing blockage. The battery packaging may not be automatically ejected from the vending machine due to the king phenomenon. In addition, when the ambient temperature of the same vending machine drops to around 0°C, the battery packaging is allowed to fall freely. There was a drawback that the rate of destruction of the package increased when the package was exposed.

【0004】 しかも塩ビ系フィルムは、廃棄物処理の面で焼却した場合に塩素ガスを発生す るという環境汚染の問題もあり、電池の廃棄処分の問題をより困難にしている。 このような電池の熱収縮包装に際し、本考案はその廃棄物処理の面で焼却して も塩素ガスを発生しないポリプロピレン系フィルムを用い、低温での熱収縮性に すぐれ、低温での熱収縮により皺、あばた状の収縮ムラ等を発生せず、従来のポ リ塩化ビニル系の熱収縮性フィルムを用いた電池の包装体と同等の外観特性を有 し、周囲の温度変化によるフィルム特性、すなわち40℃付近の摩擦係数の増加と 、0℃付近の破壊強度の低下とが極めて小さく自動販売機等で取り扱い容易な電 池の包装体を提供することを目的とする。0004 Moreover, PVC film generates chlorine gas when incinerated in terms of waste disposal. There is also the problem of environmental pollution caused by batteries, making the problem of battery disposal even more difficult. When heat shrink packaging such batteries, the present invention does not require incineration in terms of waste disposal. It uses a polypropylene film that does not generate chlorine gas, and has good heat shrinkability at low temperatures. Excellent, does not cause wrinkles or pock-like shrinkage unevenness due to heat shrinkage at low temperatures, and is better than conventional poultices. It has the same appearance characteristics as battery packaging made of polyvinyl chloride heat-shrinkable film. However, the film properties due to changes in ambient temperature, that is, the increase in the coefficient of friction around 40℃, , the decrease in breaking strength near 0°C is extremely small, making it easy to handle in vending machines, etc. The purpose is to provide pond packaging.

【0005】[0005]

【課題を解決するための手段】[Means to solve the problem]

本考案は、上記課題を解決するための第1の考案として、0.2 〜10モル%のエ チレンをモノマー単位で含有する結晶性のエチレン・プロピレン共重合体をベー スにし、これに石油樹脂2〜50wt%の割合で混合し、成膜後 110℃以下の温度で 延伸してなる収縮包装用ポリプロピレン系フィルムを用いることを特徴とする。 The present invention, as the first idea to solve the above problems, uses 0.2 to 10 mol% of ether. A crystalline ethylene-propylene copolymer containing tyrene as a monomer unit is used as a base. Mix this with petroleum resin at a ratio of 2 to 50 wt%, and after forming the film, heat it at a temperature of 110℃ or less. It is characterized by using a stretched polypropylene film for shrink wrapping.

【0006】 第2の考案として、0.2 〜10モル%のエチレンをモノマー単位で含有する結晶 性のエチレン・プロピレン共重合体をベースにし、これにブテン系重合体を2〜 50wt%、かつ石油樹脂2〜50wt%の割合で混合し、成膜後 110℃以下の温度で延 伸してなる収縮包装用ポリプロピレン系フィルムを用いることを特徴とする。[0006] The second idea is to create crystals containing 0.2 to 10 mol% ethylene in monomer units. Based on a polyethylene-propylene copolymer with 2 to 3 butene-based polymers added to it. Mix 50wt% of petroleum resin and 2 to 50wt% of petroleum resin, and after forming the film, spread it at a temperature of 110℃ or less. It is characterized by using a stretched polypropylene film for shrink wrapping.

【0007】[0007]

【作用】[Effect]

本考案においては、電池の包装体に用いるフィルムを、上記特定の結晶性エチ レン・プロピレン共重合体をベースにし、第1の考案ではこれに石油樹脂の特定 量を混合し、また第2の考案では石油樹脂に加えて特定のかつ特定量のブテン系 重合体配合を混合し、得られる組成物をフィルム状原反に成膜し、これを一軸も しくは二軸以上に延伸した収縮包装用ポリプロピレン系フィルムとするので、包 装体の高温(40℃付近) での摩擦係数が低下し、低温(0℃付近) での破壊強度 が増加する。またポリプロピレン系フィルムの低温(150 ℃付近) での熱収縮性 が改良され低温での熱収縮包装が可能となる。 In the present invention, the film used for the battery packaging is made of the above-mentioned specific crystalline ethylene film. Based on lene-propylene copolymer, the first idea included specific petroleum resins. In the second design, in addition to the petroleum resin, a specific and specific amount of butene-based The polymer formulations are mixed, the resulting composition is formed into a film-like material, and this is uniaxially coated. Alternatively, it is a polypropylene film for shrink wrapping that has been stretched biaxially or more. The friction coefficient of the body at high temperatures (around 40℃) decreases, and the fracture strength at low temperatures (around 0℃) decreases. increases. In addition, the heat shrinkability of polypropylene film at low temperatures (around 150 °C) has been improved, making it possible to perform heat shrink packaging at low temperatures.

【0008】[0008]

【実施例】【Example】

図面に基づき実施例を説明する。本実施例は、電池の外部包装体に関するもの で、図1及び図2に示すごとく円筒状の単3形乾電池4本を横方向に並列に並べ たものに熱収縮性の筒状フィルムを被着させ、続いて熱収縮装置(図略) を通過 させることにより熱収縮包装するものである。 Examples will be described based on the drawings. This example relates to an external package for a battery. Then, as shown in Figures 1 and 2, four cylindrical AA batteries were arranged horizontally in parallel. A heat-shrinkable cylindrical film is applied to the material, and then passed through a heat-shrinking device (not shown). It is used for heat shrink packaging.

【0009】 包装体1 は4本の乾電池2 を熱収縮性フィルム3 で熱収縮包装したもので、乾 電池2 は単3形乾電池であるがこれに限定されるものでなく単1、単2など何で あっても良い。 熱収縮性フィルム3 は、収縮包装用ポリプロピレン系フィルムであり、結晶性 エチレン・プロピレン共重合体をベースにして配合するが、特にこの結晶性エチ レン・プロピレン共重合体は 0.2〜10モル%好ましくは2〜7モル%のエチレン をモノマー単位で含有するものであり、単なる結晶性エチレン・プロピレン共重 合体でない。即ち、エチレンがモノマー単位で重合されないと、本考案で所期す る低温収縮が不充分となるからである。この際、前記エチレンが 0.2モル%未満 では低温収縮が不充分であり、一方エチレンを10モル%以上にあげても収縮率は 向上せず、かえってフィルムの腰が弱くなる。[0009] Package 1 consists of four dry batteries 2 wrapped in heat-shrinkable film 3. Battery 2 is an AA dry battery, but is not limited to this, and can be anything such as AA or AA. It's okay. Heat-shrinkable film 3 is a polypropylene-based film for shrink wrapping, and is crystalline. It is formulated based on ethylene/propylene copolymer, especially this crystalline ethylene copolymer. The lene-propylene copolymer contains 0.2 to 10 mol% ethylene, preferably 2 to 7 mol%. is a simple crystalline ethylene-propylene copolymer. Not a combination. In other words, if ethylene is not polymerized in monomer units, This is because low-temperature shrinkage becomes insufficient. At this time, the ethylene content is less than 0.2 mol% However, the shrinkage rate is insufficient even if the ethylene content is increased to 10 mol% or more. There is no improvement, and on the contrary, the film becomes weaker.

【0010】 次に配合に用いられる石油樹脂とは、脂肪族系石油樹脂、水素添加石油樹脂、 芳香族系石油樹脂等の脂環族飽和炭化水素を例示でき、特に制限はない。上記石 油樹脂を2〜50wt%用いるのであるが、2wt%未満では本考案の所期する低温収 縮性が不充分でしかも収縮仕上りが悪く、一方50wt%を越えると延伸後のフィル ムが常温でも収縮する傾向が非常に大きい。好ましくは5〜40wt%である。0010 The petroleum resins used in the formulation are aliphatic petroleum resins, hydrogenated petroleum resins, Examples include alicyclic saturated hydrocarbons such as aromatic petroleum resins, and there are no particular limitations. above stone The oil resin is used in an amount of 2 to 50 wt%, but if it is less than 2 wt%, the desired low temperature yield of the present invention is not achieved. The shrinkability is insufficient and the shrinkage finish is poor.On the other hand, if it exceeds 50wt%, the film after stretching is It has a very strong tendency to shrink even at room temperature. Preferably it is 5 to 40 wt%.

【0011】 第2の考案では、上記石油樹脂に更にブテン系共重合体が用いられる。かかる ブテン系共重合体とはポリブテン、結晶性ブテン・プロピレン共重合体等を例示 でき特に制限はない。この際ポリブテンは、好ましくは分子量が 300〜2500の低 分子量のものを例示できるがこれのみに限定されないことは勿論で、前記の値以 外でも必要に応じ適宜使用可能である。また前記ブテン・プロピレン共重合体は ブテン含有量が 0.2〜30モル%、好ましくは2〜25モル%程度のものを例示でき る。[0011] In the second idea, a butene-based copolymer is further used in addition to the petroleum resin. It takes Examples of butene-based copolymers include polybutene, crystalline butene-propylene copolymers, etc. There are no particular restrictions. In this case, the polybutene preferably has a low molecular weight of 300 to 2500. Examples include those with a molecular weight, but it is of course not limited to this. It can also be used outdoors as needed. In addition, the butene-propylene copolymer is Examples include those with a butene content of 0.2 to 30 mol%, preferably 2 to 25 mol%. Ru.

【0012】 ここでブテンを 0.2〜30モル%とした理由は、ブテンが 0.2モル%未満では低 温収縮性が不充分で収縮仕上りが悪くなり、一方ブテンが30モル%を越えると、 前記石油樹脂を溶融した際に均一にブレンドされにくいことも考えられ、フィッ シュ・アイ、フィルム厚み変動等が発生しやすくフィルムの低温延伸が困難とな るので低温収縮も悪くなる。勿論かかる数値は限定されるものでなく上記範囲以 外のものでも必要に応じ適宜使用可能である。0012 The reason why butene is set at 0.2 to 30 mol% is that if the butene content is less than 0.2 mol%, it will be low. Insufficient heat shrinkability results in poor shrinkage finish, while if the butene content exceeds 30 mol%, It is also possible that it is difficult to blend uniformly when the petroleum resin is melted. Low-temperature stretching of the film is difficult as it tends to cause problems such as shrink-eye and film thickness fluctuations. As a result, low-temperature shrinkage becomes worse. Of course, such numerical values are not limited and may exceed the above range. Other materials can also be used as needed.

【0013】 上記のブテン系重合体は2〜50wt%用いるのであるが、これが2wt%未満では 低温収縮性が不充分で収縮仕上りが悪くなる。一方50wt%を越えても低温収縮性 の向上には寄与せず、かえってフィルムの腰が弱くなり、好ましくは5〜30wt% である。 以上のように、上記特定の結晶性エチレン・プロピレン共重合体をベースにし 、第1の考案ではこれに石油樹脂の特定量を混合し、また第2の考案では石油樹 脂に加えて特定のかつ特定量のブテン系重合体を配合混合し、得られる組成物を フィルム状原反に成膜し、これを一軸もしくは二軸以上に延伸して熱収縮性フィ ルム3 を作成する。[0013] The above butene-based polymer is used in an amount of 2 to 50 wt%, but if it is less than 2 wt%, Insufficient low-temperature shrinkability results in poor shrinkage finish. On the other hand, even if it exceeds 50wt%, it has low-temperature shrinkability. It does not contribute to the improvement of It is. As mentioned above, based on the above-mentioned specific crystalline ethylene-propylene copolymer, In the first design, a specific amount of petroleum resin was mixed with it, and in the second design, petroleum resin was mixed with it. In addition to fat, a specific and specific amount of butene-based polymer is mixed and the resulting composition is A heat-shrinkable film is formed by forming a film on an original fabric and stretching it uniaxially or biaxially. Create room 3.

【0014】 同フィルム3 の厚みは20〜70μmで、20μm以下では包装体の強度が弱く、70 μm以上では設備適応性が悪くなる。 この際、縦一軸延伸の一例として一般には最前部の低速度で回転するロールと 最後部の高速度で回転するロールとの間にフィルムを通し、両ロールの回転数比 によって延伸させる。この際の延伸温度は80℃〜110 ℃、延伸倍率は2〜10倍、 好ましくは3〜6倍程度である。[0014] The thickness of the film 3 is 20 to 70 μm; if it is less than 20 μm, the strength of the package will be weak; If the thickness exceeds μm, equipment adaptability will deteriorate. At this time, as an example of longitudinal uniaxial stretching, a roll rotating at a low speed at the front is generally used. The film is passed between the rearmost roll that rotates at high speed, and the rotational speed ratio of both rolls is Stretch by. The stretching temperature at this time is 80℃~110℃, the stretching ratio is 2~10 times, Preferably it is about 3 to 6 times.

【0015】 一方横一軸延伸の一例として好ましくはテンター方式で行うと良い。この際延 伸温度は60〜110 ℃、延伸倍率3〜10倍、好ましくは5〜8倍である。また、以 上に示した条件で縦横逐次二軸延伸、同時二軸延伸等も可能である。 以上はフラット状のフィルムであるが、これ以外にもチューブ状原反をインフ レ方式により縦一軸、横一軸、同時二軸延伸等を行うことも可能である。この場 合原反を60〜110 ℃に加熱し、チューブ状フィルム内に加圧空気を送り込み縦も しくは横方向に一軸延伸、又は縦横方向に同時延伸すれば良く、例えば縦方向に は1〜5倍、横方向には1〜5倍等を例示できる。なお第1の考案では80〜100 ℃で延伸可能であり、第2の考案では65〜90℃で延伸可能である。[0015] On the other hand, as an example of horizontal uniaxial stretching, a tenter method is preferably used. At this time, it was extended The stretching temperature is 60 to 110°C, and the stretching ratio is 3 to 10 times, preferably 5 to 8 times. Also, below Sequential biaxial stretching in the longitudinal and lateral directions, simultaneous biaxial stretching, etc. are also possible under the conditions shown above. The above is a flat film, but in addition to this, a tube-shaped raw film can also be used as an inflator. It is also possible to carry out longitudinal uniaxial stretching, horizontal uniaxial stretching, simultaneous biaxial stretching, etc. using the double method. this place The combined fabric is heated to 60 to 110 °C, and pressurized air is sent into the tube-shaped film to create a vertical film. Alternatively, it may be uniaxially stretched in the horizontal direction or simultaneously stretched in the vertical and horizontal directions, for example, in the vertical direction. Examples include 1 to 5 times, and 1 to 5 times in the horizontal direction. In addition, in the first idea, 80 to 100 It can be stretched at 65-90°C in the second invention.

【0016】 このようにして作成したポリプロピレン系の熱収縮性フィルム3 の熱収縮率は 、グリセリン浴100 ℃、30秒間浸漬、縦方向10〜20%、横方向40〜50%であり、 摩擦係数は 0.3〜0.7 (測定方法ASTM D−1894) であった。 熱収縮性フィルム3 を適宜の幅寸法を有する細幅帯状フィルムとなし、4本の 乾電池2 の寸法に合わせて、その長さ方向の2側縁を重ねて超音波シール4 を施 すと共に、適宜の長さ寸法で切断し筒状フィルム3aを作成する。この際のシール 強度は 1.0〜2.0 kg/cm である。[0016] The heat shrinkage rate of the polypropylene heat-shrinkable film3 created in this way is , dipping in glycerin bath 100 °C, 30 seconds, 10-20% in longitudinal direction, 40-50% in transverse direction, The coefficient of friction was 0.3 to 0.7 (measurement method ASTM D-1894). The heat-shrinkable film 3 was made into a narrow band-like film with an appropriate width dimension, and four Apply ultrasonic sealing 4 to the two longitudinal edges of the dry battery 2 according to its dimensions. At the same time, the cylindrical film 3a is created by cutting the film to an appropriate length. Seal at this time The strength is 1.0-2.0 kg/cm.

【0017】 次に図2に示す如く、適宜の方法により乾電池2 に筒状フィルム3aを被着させ る。この際被着させる方向は図1の包装体1 のように横方向であっても良いし、 図3の如く包装体1 の形状に合わせて縦方向であっても良い。筒状フィルム3aを 被着した乾電池2 を加熱トンネル等からなる適宜の熱収縮装置に通過させること により、収縮包装用ポリプロピレン系フィルムからなる筒状フィルム3aが、図1 に示す如く美しく熱収縮し、乾電池2 の包装体1 を形成する。[0017] Next, as shown in Figure 2, a cylindrical film 3a is attached to the dry battery 2 by an appropriate method. Ru. At this time, the direction of application may be in the horizontal direction as shown in the package 1 in Figure 1, or As shown in FIG. 3, it may be in the vertical direction depending on the shape of the package 1. cylindrical film 3a Pass the adhered dry battery 2 through an appropriate heat shrinking device consisting of a heating tunnel, etc. Accordingly, the cylindrical film 3a made of polypropylene film for shrink wrapping is shown in Figure 1. As shown in the figure, it thermally shrinks beautifully to form a package 1 for a dry battery 2.

【0018】 また筒状フィルム3aを乾電池2 に被着させる方法は手作業で行っても良いが、 自動的に被着させる被着装置を使用しても良い。 また熱収縮装置は、ヒータや熱風等を使用するトンネル方式であっても良いが 、トンネルがなくて熱風のみによる熱収縮装置でも良く、その他適宜のもので良 いが、熱収縮の条件は 140〜150 ℃約5秒間である。[0018] Also, the method of attaching the cylindrical film 3a to the dry cell battery 2 may be done manually, but An automatic deposition device may also be used. Also, the heat shrinking device may be a tunnel type that uses a heater, hot air, etc. , a heat shrinking device that does not have a tunnel and uses only hot air may be used, or any other suitable device may be used. However, the heat shrinkage conditions are 140-150°C for about 5 seconds.

【0019】 上記のように形成した本考案における収縮包装用ポリプロピレン系フィルムを 用いた包装体1 と、従来使用しているポリ塩化ビニール系の熱収縮性フィルムを 用いた比較例における電池の包装体とについて、各温度下での自動販売機におけ るブロッキング現象を表1に示す。[0019] The polypropylene film for shrink wrapping of the present invention formed as described above is The used packaging 1 and the conventionally used polyvinyl chloride heat-shrinkable film were Regarding the battery packaging in the comparative example used, Table 1 shows the blocking phenomenon.

【0020】[0020]

【表1】 [Table 1]

【0021】 また低温下における自由落下試験結果を表2に示すように本考案による包装体 1 は、広い範囲の周囲温度においても高い信頼性を有する。[0021] In addition, as shown in Table 2, the results of the free fall test at low temperatures indicate that the packaging according to the present invention 1 has high reliability over a wide range of ambient temperatures.

【0022】[0022]

【表2】 [Table 2]

【0023】 本実施例は、乾電池4本の包装に関するものであったが、乾電池と共に包装用 台紙を挿入しても良いし、個数も4個に限らず図3に示すように2個であっても 良いし、包装する方向も縦横どちらでも適宜で良い。更に本考案は、乾電池の外 部包装のみならず、乾電池の外装缶内に収納され、内部の諸々の部品を一つにま とめて収納する亜鉛缶外部の絶縁、漏液を防止することを目的とする内部包装に も適用される。[0023] This example was about packaging four dry batteries, but it was also used for packaging along with dry batteries. A mount may be inserted, and the number is not limited to four, but may be two as shown in Figure 3. It's fine, and you can wrap it in either vertical or horizontal directions as appropriate. Furthermore, this invention is suitable for use other than dry batteries. It is stored not only in the outer packaging of the dry battery, but also in the outer can of the dry cell, and it combines various internal parts into one. Insulating the exterior of zinc cans for storage and internal packaging to prevent leakage. also applies.

【0024】 内部包装の実施例を図4に示す。乾電池5 は内部部品6 を収納する亜鉛缶7 と 、亜鉛缶7 を外装する外装缶9 とよりなり、亜鉛缶7 と外装缶9 とを絶縁すると 共に亜鉛缶7 からの漏液を防止することを目的として、亜鉛缶7 が絶縁性の熱収 縮性フィルム8 で包装されている。ここでは同熱収縮性フィルム8 に前記収縮包 装用ポリプロピレン系フィルムを用いることが可能となる。[0024] An example of the inner packaging is shown in FIG. The dry battery 5 is equipped with a zinc can 7 that houses the internal parts 6. , an outer can 9 encasing the zinc can 7, and insulating the zinc can 7 and the outer can 9. In order to prevent liquid leakage from the zinc can 7, the zinc can 7 has an insulating heat sink. Wrapped in shrinkable film8. Here, the heat shrinkable film 8 is covered with the shrink wrap. It becomes possible to use a wearable polypropylene film.

【0025】[0025]

【考案の効果】[Effect of the idea]

第1の考案による電池の包装体は、収縮包装用ポリプロピレン系フィルムに結 晶性エチレン・プロピレン共重合体として特に特定モル%のエチレンをモノマー 単位で含有するものを使用したので、単なる結晶性エチレン・プロピレン共重合 体を使用したものに比し低温(150 ℃付近) での熱収縮性が優れ、容易に熱収縮 包装を可能とすると共に、包装体の高温(40℃付近) での摩擦係数が低下し低温 (0℃付近) での破壊強度が増加するので、自動販売機等での取り扱いが容易に なるという効果を奏する。 The battery package according to the first invention is bonded to a polypropylene film for shrink wrapping. As a crystalline ethylene/propylene copolymer, a specific mol% of ethylene is used as a monomer. Since we used the unit content, it is simply a crystalline ethylene/propylene copolymer. It has superior heat shrinkability at low temperatures (around 150 degrees Celsius) compared to products that use body parts, and can be easily heat-shrinked. In addition to making packaging possible, the coefficient of friction of the package at high temperatures (around 40℃) is reduced and (near 0℃), making it easier to handle in vending machines, etc. It has the effect of becoming.

【0026】 またポリプロピレン系フィルムを使用しているので、廃棄物処理の面で焼却し ても塩素ガスを発生せず、従来の塩ビ系フィルムの包装体と同等の外観特性を有 する美しい包装体が得られる。 第2の考案では、第1の考案にブテン系重合体を加えたことにより、該考案に 比して一段と低温での熱収縮性を向上させ、容易に美しい包装体が得られる。[0026] Also, since it uses polypropylene film, it cannot be incinerated in terms of waste disposal. It does not generate chlorine gas even when used, and has the same appearance characteristics as conventional PVC film packaging. A beautiful package is obtained. In the second invention, by adding a butene-based polymer to the first invention, Compared to other products, the heat shrinkability at low temperatures is improved, and beautiful packaging can be easily obtained.

【図面の簡単な説明】[Brief explanation of drawings]

【図1】乾電池の包装体を示す斜視図である。FIG. 1 is a perspective view showing a dry battery package.

【図2】乾電池に筒状フィルムを被着した説明図であ
る。
FIG. 2 is an explanatory diagram of a dry battery covered with a cylindrical film.

【図3】包装体の他の実施例の説明図である。FIG. 3 is an explanatory diagram of another embodiment of the package.

【図4】乾電池の内部包装の実施例である。FIG. 4 is an example of the inner packaging of a dry battery.

【符号の説明】[Explanation of symbols]

1 包装体 2 乾電池 3 熱収縮性フィルム 1 Packaging 2 Dry battery 3 Heat shrinkable film

───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 FI 技術表示箇所 C08L 23:16 (72)考案者 杉本 真理子 滋賀県守山市森川原町163番地 グンゼ株 式会社守山工場内──────────────────────────────────────────────── ─── Continued from the front page (51) Int.Cl. 5 identification code Internal reference number FI Technical display location C08L 23:16 (72) Inventor Mariko Sugimoto 163 Morikawahara-cho, Moriyama City, Shiga Prefecture Gunze Co., Ltd. Moriyama Factory Inside

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] 【請求項1】 0.2 〜10モル%のエチレンをモノマー単
位で含有する結晶性のエチレン・プロピレン共重合体を
ベースにし、これに石油樹脂2〜50wt%の割合で混合
し、成膜後 110℃以下の温度で延伸してなる収縮包装用
ポリプロピレン系フィルムを用いることを特徴とする電
池の包装体。
[Claim 1] Based on a crystalline ethylene-propylene copolymer containing 0.2 to 10 mol% ethylene in monomer units, mixed with this at a proportion of 2 to 50 wt% of petroleum resin, and heated at 110°C after film formation. A battery packaging body characterized by using a polypropylene film for shrink wrapping that is stretched at the following temperature.
【請求項2】 0.2 〜10モル%のエチレンをモノマー単
位で含有する結晶性のエチレン・プロピレン共重合体を
ベースにし、これにブテン系重合体を2〜50wt%、かつ
石油樹脂2〜50wt%の割合で混合し、成膜後 110℃以下
の温度で延伸してなる収縮包装用ポリプロピレン系フィ
ルムを用いることを特徴とする電池の包装体。
[Claim 2] Based on a crystalline ethylene-propylene copolymer containing 0.2 to 10 mol% of ethylene in monomer units, 2 to 50 wt% of a butene-based polymer, and 2 to 50 wt% of a petroleum resin. 1. A battery packaging body characterized by using a polypropylene film for shrink wrapping, which is formed by mixing the polypropylene film in the following proportions and stretching the film at a temperature of 110°C or less after film formation.
JP1991016319U 1991-03-19 1991-03-19 Battery packaging Expired - Fee Related JP2527853Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1991016319U JP2527853Y2 (en) 1991-03-19 1991-03-19 Battery packaging

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1991016319U JP2527853Y2 (en) 1991-03-19 1991-03-19 Battery packaging

Publications (2)

Publication Number Publication Date
JPH04112054U true JPH04112054U (en) 1992-09-29
JP2527853Y2 JP2527853Y2 (en) 1997-03-05

Family

ID=31903346

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1991016319U Expired - Fee Related JP2527853Y2 (en) 1991-03-19 1991-03-19 Battery packaging

Country Status (1)

Country Link
JP (1) JP2527853Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001012704A1 (en) * 1999-08-17 2001-02-22 Yupo Corporation Stretched resin film and process for producing the same

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4999645A (en) * 1973-01-26 1974-09-20
JPS5612533A (en) * 1979-07-13 1981-02-06 Hitachi Ltd Vibration monitoring device for rotary machine
JPS624735A (en) * 1985-07-02 1987-01-10 Ube Ind Ltd Highly shrinkable polyolefin film
JPS6386744A (en) * 1986-09-30 1988-04-18 Toray Ind Inc Heat shrinkable film
JPS63268743A (en) * 1987-04-28 1988-11-07 Ube Ind Ltd Polyolefin film having high shrink characteristic and high adhesiveness
JPS63304032A (en) * 1987-06-03 1988-12-12 Mitsui Toatsu Chem Inc Film for shrink packaging
JPS6414019A (en) * 1987-07-09 1989-01-18 Kohjin Co Heat-shrinkable polypropylene film
JPH02251549A (en) * 1989-03-24 1990-10-09 Sumitomo Chem Co Ltd Film for shrink package

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4999645A (en) * 1973-01-26 1974-09-20
JPS5612533A (en) * 1979-07-13 1981-02-06 Hitachi Ltd Vibration monitoring device for rotary machine
JPS624735A (en) * 1985-07-02 1987-01-10 Ube Ind Ltd Highly shrinkable polyolefin film
JPS6386744A (en) * 1986-09-30 1988-04-18 Toray Ind Inc Heat shrinkable film
JPS63268743A (en) * 1987-04-28 1988-11-07 Ube Ind Ltd Polyolefin film having high shrink characteristic and high adhesiveness
JPS63304032A (en) * 1987-06-03 1988-12-12 Mitsui Toatsu Chem Inc Film for shrink packaging
JPS6414019A (en) * 1987-07-09 1989-01-18 Kohjin Co Heat-shrinkable polypropylene film
JPH02251549A (en) * 1989-03-24 1990-10-09 Sumitomo Chem Co Ltd Film for shrink package

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001012704A1 (en) * 1999-08-17 2001-02-22 Yupo Corporation Stretched resin film and process for producing the same

Also Published As

Publication number Publication date
JP2527853Y2 (en) 1997-03-05

Similar Documents

Publication Publication Date Title
TW408150B (en) Uniaxially heat-shrinkable, biaxially oriented, miltilayer film
JP2557874B2 (en) Opaque biaxially stretched film made of thermoplastic resin for twist packaging of KANDAI
US5709932A (en) Ultra thin heat-shrinkable monolayer polyethylene films
JPH0469060B2 (en)
JPH10503976A (en) Uniaxially shrinkable biaxially oriented polyolefin film and method for producing the same
AU746233B2 (en) Uniaxially shrinkable biaxially oriented polypropylene film and method for use as tobacco pack overwrap
JP3104885B2 (en) Heat shrinkable laminated film
JP4954882B2 (en) Heat shrinkable multilayer film
JPH04112054U (en) battery packaging
JPS5837907B2 (en) Easy heat-sealable biaxially stretched composite film
JPH0730220B2 (en) Polymer blends for packaging films and sheets
JP2916853B2 (en) Polyolefin-based heat-shrinkable laminated film
JP2551612B2 (en) Heat shrinkable multi-layer film
JP2005144725A (en) Polyolefinic multilayered shrink film
JP2527853Z (en)
JPS60206839A (en) Heat-shrinkable polyester film
JPS6262846A (en) Polypropylene film for shrinkable label
JPS6227981B2 (en)
JP3493474B2 (en) Polyolefin-based heat-shrinkable multilayer film
JP4594494B2 (en) Low temperature high shrinkage shrink label film
JPH0153184B2 (en)
JPS6310639A (en) Heat-shrinkable film and production thereof
JP4605873B2 (en) Shrinkable polyolefin film
JPH07329177A (en) Heat-shrinkable oriented polypropyrene film
JPH0138662B2 (en)

Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees