JP2697101B2 - Multilayer container - Google Patents
Multilayer containerInfo
- Publication number
- JP2697101B2 JP2697101B2 JP7143289A JP7143289A JP2697101B2 JP 2697101 B2 JP2697101 B2 JP 2697101B2 JP 7143289 A JP7143289 A JP 7143289A JP 7143289 A JP7143289 A JP 7143289A JP 2697101 B2 JP2697101 B2 JP 2697101B2
- Authority
- JP
- Japan
- Prior art keywords
- layer
- resin
- container
- multilayer container
- polyolefin
- 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.)
- Expired - Fee Related
Links
Landscapes
- Laminated Bodies (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、成形収縮率が0.2〜0.5％である高ニトリル
樹脂を主原料とするバリア性熱可塑性樹脂からなる少な
くとも１個の層を有するプラスチック製の多層容器に関
するものであり、成形収縮によって円周方向の変形がほ
とんどない多層容器に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention has at least one layer made of a barrier thermoplastic resin mainly composed of a high nitrile resin having a molding shrinkage of 0.2 to 0.5%. The present invention relates to a multilayer container made of plastic, which is hardly deformed in the circumferential direction due to molding shrinkage.
〔従来の技術〕 高ニトリル樹脂は透明性、酸素や炭酸ガスばかりでな
くエステル類等の有機溶剤のガスや、フレオン等の液化
ガスに対するバリヤー性に優れ、また各種薬品に対する
耐薬品性に優れており、特にアルコール類、エステル
類、ガソリンなどの有機溶剤に対する化学的安定性に優
れている。さらに香料、香辛料、精油など幅広い香気成
分に対する保香性に優れている。以上の特徴から高ニト
リル樹脂は化粧品、医薬品、トイレタリー用品、農薬、
調味量、香料、食用油、エアー・ゾル容器などの包装材
料として広範囲に利用されてきた。[Prior art] High-nitrile resins have excellent transparency, not only oxygen and carbon dioxide gas, but also excellent barrier properties against organic solvent gases such as esters and liquefied gases such as freon, and excellent chemical resistance to various chemicals. It is particularly excellent in chemical stability against organic solvents such as alcohols, esters and gasoline. Furthermore, it has excellent fragrance retention properties for a wide range of fragrance components such as spices, spices and essential oils. From the above characteristics, high nitrile resins are used in cosmetics, pharmaceuticals, toiletries, pesticides,
It has been widely used as a packaging material for seasonings, flavors, edible oils, aerosol containers and the like.
高ニトリル樹脂を用いたプラスチック容器としては、
コストメリットをあげる点、衝撃強度をあげる点などか
らポリオレフィン系樹脂との多層容器にする方法がとら
れていたが、ポリオレフィン系樹脂のうち最も一般的に
用いられるポリエチレン、及び、ポリプロピレンは結晶
性熱可塑樹脂で成形収縮率が大きく（ポリエチレン：約
3.2％、ポリプロピレン：約1.7％）、非晶性熱可塑性樹
脂で成形収縮率の小さい（0.2〜0.5％）高ニトリル樹脂
と積層接合させると成形後、成形収縮率の差から容器が
変形してしまい、特に胴部円周方向での変形が大きく容
器としての外観を著しく損なうという問題があった。As plastic containers using high nitrile resin,
In order to increase the cost merit and increase the impact strength, a method of forming a multilayer container with a polyolefin resin was used, but polyethylene and polypropylene, the most commonly used polyolefin resins, are crystalline Plastic shrinkage is large (polyethylene: approx.
3.2%, polypropylene: approx. 1.7%), non-crystalline thermoplastic resin with low molding shrinkage (0.2-0.5%) High-nitrile resin, when laminated and joined, the container is deformed due to the difference in molding shrinkage after molding. As a result, there is a problem that the deformation is particularly large in the circumferential direction of the trunk portion and the appearance of the container is significantly impaired.
この高ニトリル樹脂を主原料とするバリア性熱可塑性
樹脂からなる少なくとも１個の層を有するプラスチック
製の多層容器の変形を解決する手段は容器胴部にリブを
設ける等して容器の形状を変形しにくいものにするとい
う方法がとられていたのが現状であり、前記方法では容
器のデザインを狭める結果となっていたため改良が望ま
れていた。Means for solving the deformation of the plastic multi-layer container having at least one layer made of a barrier thermoplastic resin whose main raw material is a high nitrile resin is to deform the shape of the container by providing ribs on the container body. At present, there has been a method of making the container difficult to perform, and the above method has resulted in narrowing the design of the container, and therefore, improvement has been desired.
本発明の目的は、成形収縮率が0.2〜0.5％である高ニ
トリル樹脂を主原料とするバリア性熱可塑性樹脂からな
る少なくとも１個の層を有するプラスチック製の多層容
器に関するものであり、成形収縮によって円周方向の変
形がほとんどない多層容器を提供することにある。An object of the present invention relates to a plastic multilayer container having at least one layer made of a barrier thermoplastic resin whose main raw material is a high nitrile resin having a molding shrinkage of 0.2 to 0.5%. Accordingly, it is an object of the present invention to provide a multilayer container having almost no circumferential deformation.
本発明の多層容器は、成形収縮率が0.2〜0.5％である
高ニトリル樹脂を主原料とするバリア性熱可塑性樹脂か
らなる少なくとも１個の層を有し、前記高ニトリル樹脂
層の片側、あるいは両側に繊維補強材をブレンドしたポ
リオレフィン系樹脂層を積層接合し、必要に応じて前記
高ニトリル層と前記ポリオレフィン系樹脂層の間に成形
収縮率が0.3％の接着層を積層接合させて成形される。The multilayer container of the present invention has at least one layer made of a barrier thermoplastic resin whose main raw material is a high nitrile resin having a molding shrinkage of 0.2 to 0.5%, and one side of the high nitrile resin layer, or A polyolefin resin layer blended with a fiber reinforcing material is laminated and joined on both sides, and an adhesive layer having a molding shrinkage of 0.3% is laminated and joined between the high nitrile layer and the polyolefin resin layer as necessary. You.
多層容器を製造する方法としては、胴部と底部が一体
化した多層容器を射出成形、ブロー成形または射出延伸
ブロー成形によって製造する方法、前記構成積層体をフ
ィルム状またはシート状に押し出し、溶融ラミネートす
る方法が適用できる。As a method of manufacturing a multilayer container, a method of manufacturing a multilayer container having an integrated body and bottom by injection molding, blow molding, or injection stretch blow molding, extruding the constituent laminate into a film or a sheet, and performing melt lamination Method can be applied.
ブロー成形においては、前記の各樹脂を共押し出しす
ることによって、多層パリソンを得、これをそのまま、
あるいは延伸してからブロー成形して多層容器を得る。In blow molding, a multilayer parison is obtained by co-extruding each of the above resins,
Alternatively, it is stretched and blow-molded to obtain a multilayer container.
なお、成形された多層容器の各層の厚さは特に限定さ
れない。The thickness of each layer of the formed multilayer container is not particularly limited.
本発明に用いられる高ニトリル樹脂は、不飽和ニトリ
ル化合物を主体とする共重合体であって、不飽和ニトリ
ル化合物を50重量％以上含むものが好ましい。The high nitrile resin used in the present invention is a copolymer mainly composed of an unsaturated nitrile compound and preferably contains at least 50% by weight of the unsaturated nitrile compound.
コモノマーとしては、スチレン、ブタジエン、イソプ
レン等が挙げられ、これらの１種または２種以上を不飽
和ニトリル化合物と共重合させたものが好ましく、物性
を損なわない範囲で、必要に応じて安定剤、滑剤、帯電
防止剤、紫外線防止剤、着色顔料を添加しても構わな
い。Examples of the comonomer include styrene, butadiene, isoprene, and the like, and one or more of these are preferably copolymerized with an unsaturated nitrile compound, and a stabilizer, if necessary, as long as the physical properties are not impaired. A lubricant, an antistatic agent, an ultraviolet inhibitor, and a coloring pigment may be added.
本発明に用いられるポリオレフィンは、ポリエチレ
ン、ポリプロピレン、エチレン−プロピレン共重合体、
及び、これらの混合物に、ファイバーガラス、カーボン
繊維などの繊維補強材を10〜40％の割合でブレンドし、
成形収縮率を0.2〜0.5％にしたものが好ましく、必要に
応じて安定剤、滑剤、帯電防止剤、紫外線防止剤、着色
顔料を添加しても構わない。Polyolefin used in the present invention, polyethylene, polypropylene, ethylene-propylene copolymer,
And, a fiber reinforcing material such as fiber glass and carbon fiber is blended with the mixture at a ratio of 10 to 40%,
Preferably, the molding shrinkage is 0.2 to 0.5%, and a stabilizer, a lubricant, an antistatic agent, an ultraviolet inhibitor, and a coloring pigment may be added as necessary.
本発明に用いられる接着層は、例えばブタジエンある
いはイソプレンとスチレンのブロック共重合体が好まし
い。The adhesive layer used in the present invention is preferably, for example, butadiene or a block copolymer of isoprene and styrene.
以下、実施例により本発明を説明する。 Hereinafter, the present invention will be described with reference to examples.
〔実施例１〕 高アクリロニトリル樹脂“バレックス1010N"（商品
名、三井東圧化学（株）製）と高密度ポリエチレン“FF
−1004"（商品名、LNPCORP.,製）に20％のファイバーグ
ラスブレンド）をブレンドした樹脂とを、接着性樹脂と
してブタジエン−スチレン共重合体“タフプレン200"
（商品名、旭化成工業（株）製）を用い、ベクム高速吹
込成形機BA−２を用い、外層が繊維強化ポリオレフィ
ン、中間層が接着性樹脂、内層が高アクリロニトリル樹
脂となるように多層パリソンを共押し出しし、これをブ
ロー成形して、多層容器を得た。[Example 1] High acrylonitrile resin "Barex 1010N" (trade name, manufactured by Mitsui Toatsu Chemicals, Inc.) and high-density polyethylene "FF"
A resin blended with -1004 "(trade name, LNPCORP., Manufactured by 20% fiberglass blend) and a butadiene-styrene copolymer" Taphprene 200 "as an adhesive resin
(Trade name, manufactured by Asahi Kasei Kogyo Co., Ltd.), using a Beckum high-speed blow molding machine BA-2, a multilayer parison so that the outer layer is a fiber-reinforced polyolefin, the intermediate layer is an adhesive resin, and the inner layer is a high acrylonitrile resin. It was co-extruded and blow-molded to obtain a multilayer container.
なお、多層パリソンの共押し出しは、高アクリロニト
リル樹脂、接着性樹脂用には、それぞれ口径25mmの押出
機を用い、繊維強化ポリオレフィン用には口径50mmの押
出機を用い、３層ダイヘッドを用いて行った。押出温度
は、高アクリロニトリル樹脂がスクリュー・フィードゾ
ーンより170〜210℃、せん断発熱による温度の上昇を防
ぐためブロアーを使用、接着性樹脂がスクリュー・フィ
ードゾーンより155〜200℃、繊維強化ポリオレフィンが
170〜220℃、ダイヘッドが210〜220℃であった。金型温
度は16℃、冷却時間12秒、吹き込み圧力8kg/cm2で成形
を行った。The co-extrusion of the multi-layer parison was performed using a 25 mm diameter extruder for high acrylonitrile resin and adhesive resin, and a 50 mm diameter extruder for fiber reinforced polyolefin using a three-layer die head. Was. Extrusion temperature, high acrylonitrile resin 170 ~ 210 ℃ from the screw feed zone, use a blower to prevent temperature rise due to shear heat, adhesive resin 155 ~ 200 ℃ from the screw feed zone, fiber reinforced polyolefin
170-220 ° C, die head 210-220 ° C. Molding was performed at a mold temperature of 16 ° C., a cooling time of 12 seconds, and a blowing pressure of 8 kg / cm 2 .
得られた容器の形状は、胴径70mm、高さ185mm、容器
口内径19mm、容量500mlの円筒状容器であり、胴部の各
層の肉厚は、外層が540μ、中間層が125μ、内層が170
μであった。The shape of the obtained container is a cylindrical container having a body diameter of 70 mm, a height of 185 mm, a container inner diameter of 19 mm, and a capacity of 500 ml.The thickness of each layer of the body is 540 μm for the outer layer, 125 μm for the middle layer, and 125 μm for the inner layer. 170
μ.
上記により得た多層容器の胴部を円周方向の形状を測
定し直径が最大を示す部分の寸法と最小を示す寸法との
差を求めた。The shape of the body part of the multilayer container obtained as described above was measured in the circumferential direction, and the difference between the size of the portion having the largest diameter and the size of the smallest portion was determined.
その結果を第１表に示す。 Table 1 shows the results.
〔実施例２〕 高アクリロニトリル樹脂“バレックス1010N"（商品
名、三井東圧化学（株）製）と高密度ポリエチレン“RP
E−7210"（商品名、Ferro CORP.,製）に10％のファイバ
ーグラスブレンド）をブレンドした樹脂とを、接着性樹
脂としてブタジエン−スチレン共重合体“タフプレン20
0"（商品名、旭化成工業（株）製）を用い、ベクム高速
吹込成形機BA−２を用い、外層が繊維強化ポリオレフィ
ン、中間層が接着性樹脂、内層が高アクリロニトリル樹
脂の多層パリソンを共押し出しし、これをブロー成形し
て、多層容器を得た。[Example 2] High acrylonitrile resin "Barex 1010N" (trade name, manufactured by Mitsui Toatsu Chemicals, Inc.) and high-density polyethylene "RP"
A resin blended with E-7210 "(trade name, manufactured by Ferro CORP., 10% fiberglass blend) and a butadiene-styrene copolymer" Taphrene 20 "as an adhesive resin.
0 "(trade name, manufactured by Asahi Kasei Kogyo Co., Ltd.), using a Beckum high-speed blow molding machine BA-2, a multi-layer parison of fiber-reinforced polyolefin for the outer layer, adhesive resin for the middle layer, and high acrylonitrile resin for the inner layer. It was extruded and blow-molded to obtain a multilayer container.
なお、多層パリソンの共押し出しは、高アクリロニト
リル樹脂、接着性樹脂用には、それぞれ口径25mmの押出
機を用い、繊維強化ポリオレフィン用には口径50mmの押
出機を用い、３層ダイヘッドを用いて行った。押出温度
は、高アクリロニトリル樹脂がスクリュー・フィードゾ
ーンより170〜210℃、せん断発熱による温度の上昇を防
ぐためブロアーを使用、接着性樹脂がスクリュー・フィ
ードゾーンより155〜200℃、繊維強化ポリオレフィンが
170〜220℃、ダイヘッドが210〜220℃であった。金型温
度は16℃、冷却時間12秒、吹き込み圧力8kg/cm2で成形
を行った。The co-extrusion of the multi-layer parison was performed using a 25 mm diameter extruder for high acrylonitrile resin and adhesive resin, and a 50 mm diameter extruder for fiber reinforced polyolefin using a three-layer die head. Was. Extrusion temperature, high acrylonitrile resin 170 ~ 210 ℃ from the screw feed zone, use a blower to prevent temperature rise due to shear heat, adhesive resin 155 ~ 200 ℃ from the screw feed zone, fiber reinforced polyolefin
170-220 ° C, die head 210-220 ° C. Molding was performed at a mold temperature of 16 ° C., a cooling time of 12 seconds, and a blowing pressure of 8 kg / cm 2 .
得られた容器の形状は、胴径85mm、高さ227mm、容器
口内径18mm、容量1000mlの円筒状容器であり、胴部の各
層の肉厚は、外層が800μ、中間層が125μ、内層が300
μであった。The shape of the obtained container is a cylindrical container with a body diameter of 85 mm, a height of 227 mm, a container inner diameter of 18 mm, and a capacity of 1000 ml.The thickness of each layer of the body is 800 μm for the outer layer, 125 μm for the middle layer, and 125 μm for the inner layer. 300
μ.
得られた多層容器について実施例１と同様の測定を行
った。The same measurement as in Example 1 was performed on the obtained multilayer container.
その結果も第１表に合わせて示す。 The results are also shown in Table 1.
〔比較例１〕 高アクリロニトリル樹脂“バレックス1010N"（商品
名、三井東圧化学（株）製）と高密度ポリエチレン“ハ
イゼックス6200B"（商品名、三井石油化学（株）製）と
を、接着性樹脂としてブタジエン−スチレン共重合体
“タフプレン200"（商品名、旭化成工業（株）製）を用
い、ベクム高速吹込成形機BA−２により、外層がポリオ
レフィン、中間層が接着性樹脂、内層が高アクリロニト
リル樹脂からなる多層パリソンを共押し出しし、これを
ブロー成形して、多層容器を得た。[Comparative Example 1] Adhesion between high acrylonitrile resin “Barex 1010N” (trade name, manufactured by Mitsui Toatsu Chemicals, Inc.) and high-density polyethylene “HIZEX 6200B” (trade name, manufactured by Mitsui Petrochemical Co., Ltd.) Using a butadiene-styrene copolymer "Taphrene 200" (trade name, manufactured by Asahi Kasei Kogyo Co., Ltd.) as a resin, the outer layer is made of polyolefin, the intermediate layer is made of an adhesive resin, and the inner layer is made of a high speed blow molding machine BA-2. A multi-layer parison made of acrylonitrile resin was co-extruded and blow-molded to obtain a multi-layer container.
なお、多層パリソンの共押し出しは、高アクリロニト
リル樹脂、接着性樹脂用には、それぞれ口径25mmの押出
機を用い、ポリオレフィン用には口径50mmの押出機を用
い、当社製３層ダイヘッドで行った。押出温度は、高ア
クリロニトリル樹脂がスクリュー・フィードゾーンより
170〜210℃、せん断発熱による温度の上昇を防ぐためブ
ロアーを使用、接着性樹脂がスクリュー・フィードゾー
ンより155〜200℃、ポリオレフィンが170〜220℃、ダイ
ヘッドが210〜220℃であった。The co-extrusion of the multi-layer parison was performed using a 25 mm-diameter extruder for a high acrylonitrile resin and an adhesive resin, and a 50 mm-diameter extruder for a polyolefin, using a three-layer die head manufactured by our company. Extrusion temperature is higher than high acrylonitrile resin from screw feed zone.
A blower was used to prevent the temperature from rising due to shear heat generation. The adhesive resin was 155 to 200 ° C from the screw feed zone, the polyolefin was 170 to 220 ° C, and the die head was 210 to 220 ° C.
金型温度は16℃、冷却時間12秒、吹き込み圧力8kg/cm
2で成形を行った。Mold temperature is 16 ℃, cooling time is 12 seconds, blowing pressure is 8kg / cm
Molding was performed in 2 .
以上から得られた多層容器は容器形状は実施例１と同
様、胴部の各層の肉厚は、外層が540μ、中間層が125
μ、内層が170μであった。The multilayer container obtained from the above had the same container shape as in Example 1, and the thickness of each layer of the body was 540 μm for the outer layer and 125 μm for the intermediate layer.
μ, and the inner layer was 170 μ.
得られた多層容器について実施例１と同様の試験を行
った。The same test as in Example 1 was performed on the obtained multilayer container.
その結果も第１表に合わせて示す。 The results are also shown in Table 1.
〔比較例２〕 高アクリロニトリル樹脂“バレックス1010N"（商品
名、三井東圧化学（株）製）と高密度ポリエチレン“ハ
イゼックス6200B"（商品名、三井石油化学（株）製）と
を、接着性樹脂としてブタジエン−スチレン共重合体
“タフプレン200"（商品名、旭化成工業（株）製）を用
い、ベクム高速吹込成形機BA−２により、外層がポリオ
レフィン、中間層が接着性樹脂、内層が高アクリロニト
リル樹脂からなる多層パリソンを共押し出しし、これを
ブロー成形して、多層容器を得た。[Comparative Example 2] Adhesion between high acrylonitrile resin "Barex 1010N" (trade name, manufactured by Mitsui Toatsu Chemicals, Inc.) and high-density polyethylene "HIZEX 6200B" (trade name, manufactured by Mitsui Petrochemical Co., Ltd.) Using a butadiene-styrene copolymer "Taphrene 200" (trade name, manufactured by Asahi Kasei Kogyo Co., Ltd.) as a resin, the outer layer is made of polyolefin, the intermediate layer is made of an adhesive resin, and the inner layer is made of a high speed blow molding machine BA-2. A multi-layer parison made of acrylonitrile resin was co-extruded and blow-molded to obtain a multi-layer container.
なお、多層パリソンの共押し出しは、高アクリロニト
リル樹脂、接着性樹脂用には、それぞれ口径25mmの押出
機を用い、ポリオレフィン用には口径50mmの押出機を用
い、当社製３層ダイヘッドで行った。押出温度は、高ア
クリロニトリル樹脂がスクリュー・フィードゾーンより
170〜210℃、せん断発熱による温度の上昇を防ぐためブ
ロアーを使用、接着性樹脂がスクリュー・フィードゾー
ンより155〜200℃、ポリオエフィンが170〜220℃、ダイ
ヘッドが210〜220℃であった。The co-extrusion of the multi-layer parison was performed using a 25 mm-diameter extruder for a high acrylonitrile resin and an adhesive resin, and a 50 mm-diameter extruder for a polyolefin, using a three-layer die head manufactured by our company. Extrusion temperature is higher than high acrylonitrile resin from screw feed zone.
A blower was used to prevent the temperature from rising due to shear heat generation. The adhesive resin was 155 to 200 ° C from the screw feed zone, the polyolefin was 170 to 220 ° C, and the die head was 210 to 220 ° C.
金型温度は16℃、冷却時間12秒、吹き込み圧力8kg/cm
2で成形を行った。Mold temperature is 16 ℃, cooling time is 12 seconds, blowing pressure is 8kg / cm
Molding was performed in 2 .
得られた容器の形状は、胴径85mm、高さ227mm、容器
口内径18mm、容量1000mlの円筒状容器であり、胴部の各
層の肉厚は、外層が800μ、中間層が125μ、内層が300
μであった。The shape of the obtained container is a cylindrical container with a body diameter of 85 mm, a height of 227 mm, a container inner diameter of 18 mm, and a capacity of 1000 ml.The thickness of each layer of the body is 800 μm for the outer layer, 125 μm for the middle layer, and 125 μm for the inner layer. 300
μ.
得られた多層容器について実施例１と同様の測定を行
った。The same measurement as in Example 1 was performed on the obtained multilayer container.
その結果も第１表に合わせて示す。 The results are also shown in Table 1.
〔発明の効果〕 本発明の多層容器は、第１表にみられるように従来の
高ニトリル樹脂をポリオレフィン系樹脂との多層容器に
したものに比べ、容器胴部での円周方向の直径が最大を
示す部分の寸法と最小を示す寸法との差が小さい、金型
のキャビティは真円になっていることから考えると、容
器の円周方向に対する変形がほとんどないといえ、極め
て優れた形状を保った多層容器である。 [Effects of the Invention] As shown in Table 1, the multilayer container of the present invention has a larger diameter in the circumferential direction at the container body than the conventional multilayer container made of a high nitrile resin and a polyolefin resin. Considering that the difference between the maximum part size and the minimum part size is small and that the cavity of the mold is a perfect circle, it can be said that there is almost no deformation in the circumferential direction of the container. It is a multi-layer container that keeps
Claims (2)
繊維補強材をブレンドしたポリオレフィン系樹脂層を積
層接合したことを特徴とする多層容器。1. A multilayer container wherein a polyolefin resin layer blended with a fiber reinforcing material is laminated and joined to one or both sides of a high nitrile resin layer.
リオレフィン系樹脂層の間に成形収縮率が0.3％の接着
層を積層接合したことを特徴とした多層容器。2. A multilayer container according to claim 1, wherein an adhesive layer having a molding shrinkage of 0.3% is laminated and joined between said high nitrile layer and said polyolefin resin layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7143289A JP2697101B2 (en) | 1989-03-23 | 1989-03-23 | Multilayer container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7143289A JP2697101B2 (en) | 1989-03-23 | 1989-03-23 | Multilayer container |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02249644A JPH02249644A (en) | 1990-10-05 |
| JP2697101B2 true JP2697101B2 (en) | 1998-01-14 |
Family
ID=13460361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7143289A Expired - Fee Related JP2697101B2 (en) | 1989-03-23 | 1989-03-23 | Multilayer container |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2697101B2 (en) |
-
1989
- 1989-03-23 JP JP7143289A patent/JP2697101B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02249644A (en) | 1990-10-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4904324A (en) | Method of making plastic container with multilayer label applied by in-mold labeling | |
| US5079057A (en) | Plastic container with multilayer label applied by in-mold labeling | |
| US3741253A (en) | Laminates of ethylene vinyl acetate polymers and polymers of vinylidene chloride | |
| US4436778A (en) | Multilayer tubular body with uncentered barrier layer | |
| AU2002216375A1 (en) | Synthetic resin biaxial oriented blow formed preform for forming bottle body | |
| JPH05228988A (en) | Multilayer stretch blow container and manufacture thereof | |
| EP0076366B1 (en) | Multilayer tubular body with uncentered barrier layer | |
| KR100708830B1 (en) | Blow molded product | |
| US5788926A (en) | Plastic bottle and process for making the same | |
| US20080063835A1 (en) | Label for in-mold forming having excellent delabeling property, and container with the label | |
| EP0626667B1 (en) | Application of labels to plastic containers | |
| JPS61273927A (en) | Manufacture of pet bottle having gas barrier property | |
| JP2697101B2 (en) | Multilayer container | |
| JPH1191052A (en) | Easily tearable shrink laminated film and bag product using it | |
| JP2001139041A (en) | Tubular container and its manufacturing method | |
| JP2004148717A (en) | Blow-molded container | |
| JP4946010B2 (en) | Multi-layer plastic container | |
| US20230145052A1 (en) | Mdo barrier film, package laminates containing the same, and methods of making the same | |
| JPS6320691B2 (en) | ||
| JP4022091B2 (en) | Multi-layer blow molded container with excellent impact resistance | |
| JP3006336B2 (en) | Multilayer plastic container | |
| CA1335881C (en) | Plastic container with multilayer label applied by in-mold labeling | |
| JPS6040967B2 (en) | Method for manufacturing multilayer stretched plastic containers | |
| JPS59103726A (en) | Manufacture of plastic container with multilayer wall | |
| JPS58973B2 (en) | Biaxially stretched molded container with excellent shape appearance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |