JP3489342B2 - Laminated bottle and method for producing the same - Google Patents
Laminated bottle and method for producing the sameInfo
- Publication number
- JP3489342B2 JP3489342B2 JP19626096A JP19626096A JP3489342B2 JP 3489342 B2 JP3489342 B2 JP 3489342B2 JP 19626096 A JP19626096 A JP 19626096A JP 19626096 A JP19626096 A JP 19626096A JP 3489342 B2 JP3489342 B2 JP 3489342B2
- Authority
- JP
- Japan
- Prior art keywords
- inner layer
- polyamide
- outer layer
- laminated
- layer
- 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
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Polyamides (AREA)
- Containers Having Bodies Formed In One Piece (AREA)
- Laminated Bodies (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、積層ボトルの内側
層に用いる新規なポリアミド樹脂に関するものである。
詳しくは、優れた剥離性を有し、内容物の減少に伴い内
側層のみが変形し外側層は変形の起こらず、内側層が内
容物に忠実に収縮するために内容物が完全に使い切れる
積層剥離ボトルの内側層に用いるポリアミド樹脂に関す
るものである。TECHNICAL FIELD The present invention relates to a novel polyamide resin used for the inner layer of a laminated bottle.
In detail, it has excellent peeling property, only the inner layer deforms as the content decreases, the outer layer does not deform, and the inner layer shrinks faithfully to the content, so the content is completely used up. The present invention relates to a polyamide resin used for the inner layer of a laminated release bottle.
【０００２】[0002]
【従来の技術】従来、外側層と内側層が自在に剥離して
外側層の変形が防止できるようにした積層ボトルは公知
であり、例えば特開平４−３３９７５９号公報には外側
層および内側層の少なくとも二層からなる積層ボトルに
おいて、外側層と内側層とを剥離自在とし、口部におい
て外側層と内側層とをその少なくとも一部を接着するこ
とが記載されている。2. Description of the Related Art Conventionally, a laminated bottle in which an outer layer and an inner layer can be freely separated to prevent deformation of the outer layer is known. For example, JP-A-4-339759 discloses an outer layer and an inner layer. It is described that in the laminated bottle consisting of at least two layers, the outer layer and the inner layer are made separable and at least a part of the outer layer and the inner layer are bonded at the mouth portion.
【０００３】また、特開平６−３４５０６９号公報に
は、外側層と内側層が剥離自在である積層剥離ボトルに
おいて、内側層は外側層の材質より融点が高く、且つ曲
げ弾性率が１００００kg／cm2 〜５００００kg／cm2 の
範囲にある合成樹脂材料からなり、外側層に大気導入孔
を形成することが記載されている。Further, Japanese Patent Laid-Open No. 345069/1994 discloses a laminated release bottle in which an outer layer and an inner layer are detachable, the inner layer has a higher melting point than the material of the outer layer, and has a flexural modulus of 10000 kg / cm. It is described that an atmospheric air introduction hole is formed in the outer layer, which is made of a synthetic resin material in the range of 2 to 50,000 kg / cm 2 .
【０００４】しかしながら、特開平４−３３９７５９号
公報には、内側層にナイロンを用いることが記載されて
いるが、そのナイロンの特性については記載されていな
い。一般的に使用されるナイロンであるナイロン−６、
ナイロン−６６ともに、曲げ強度は１００００〜５００
００kg／cm2 の範囲内にある。However, JP-A-4-339759 describes the use of nylon for the inner layer, but does not describe the characteristics of the nylon. Nylon-6, which is a commonly used nylon,
Bending strength of nylon-66 is 10,000 to 500
It is within the range of 00 kg / cm 2 .
【０００５】また、特開平６−３４５０６９号公報に
は、内側層に曲げ弾性率が１００００kg／cm2 〜５００
００kg／cm2 の範囲にある合成樹脂材料を用いることが
記載されている。しかし、同号公報の発明によれば、内
容物が減少しなくても剥離が始まったり、内側層が内容
物に忠実に収縮しないので内容物が最後まで使い切れな
い等の問題点があった。Further, in JP-A-6-345069, the inner layer has a flexural modulus of 10000 kg / cm 2 to 500.
It is described that a synthetic resin material in the range of 00 kg / cm 2 is used. However, according to the invention of the same publication, there are problems that peeling starts even if the content does not decrease, and the inner layer does not shrink faithfully to the content, so that the content cannot be used up to the end.
【０００６】このように、従来の技術では優れた剥離性
を有し、内容物の減少に伴い内側層のみが内容物に忠実
に収縮し、また外側層は変形の起こらない積層剥離ボト
ルを得ることはできなかった。As described above, according to the conventional technique, a laminated release bottle having excellent peeling property, in which only the inner layer shrinks faithfully to the content as the content decreases and the outer layer does not deform, is obtained. I couldn't do that.
【０００７】[0007]
【発明が解決しようとする課題】本発明の目的は、優れ
た剥離性を有し、内容物の減少に伴い内側層のみが変形
し外側層は変形が起こらず、内側層が内容物に忠実に収
縮するために内容物が完全に使い切れる積層剥離ボトル
及びその製造方法を提供することにある。The object of the present invention is to have excellent peelability, and only the inner layer is deformed and the outer layer is not deformed with the decrease of the content, and the inner layer is faithful to the content. Laminated peeling bottle whose contents are completely used up due to shrinkage
And to provide a manufacturing method thereof .
【０００８】[0008]
【課題を解決するための手段】本発明者らは、優れた剥
離性を有し、内容物の減少に伴い内側層のみが変形し外
側層は変形の起こらない積層剥離ボトルおよびそのため
の樹脂を開発すべく鋭意研究を重ねた結果、融点が２０
０℃以下である、ポリアミド−６とその他のポリアミド
との共重合ポリアミド樹脂を積層ボトルの内側層に使用
し、内側層と外側層との間に大気を導入する大気導入孔
を積層ボトルに設けることにより、その課題を解決しう
る積層ボトルが得られることを見出し、本発明を完成す
るに至った。DISCLOSURE OF THE INVENTION The inventors of the present invention have developed a laminated peeling bottle and a resin therefor which have excellent peelability and in which only the inner layer is deformed and the outer layer is not deformed as the content decreases. As a result of intensive research to develop, the melting point was 20.
Copolyamide resin of polyamide-6 and other polyamides, which is 0 ° C or less, is used for the inner layer of the laminated bottle.
Atmosphere introduction hole that introduces the atmosphere between the inner and outer layers
By providing the laminated bottle, it found that multilayer bottle capable of solving the problem is obtained, and have completed the present invention.
【０００９】[0009]
【発明の実施の形態】本発明に用いるポリアミドの融点
は２００℃以下であり、好ましくは１８０℃以下であ
る。BEST MODE FOR CARRYING OUT THE INVENTION The polyamide used in the present invention has a melting point of 200 ° C. or lower, preferably 180 ° C. or lower.
【００１０】通常ナイロンで一般的に用いられるポリア
ミド−６６の融点は２６５℃であり、またポリアミド−
６の融点は２２５℃である。融点が２００℃を越えるポ
リアミドを用いると外側層と内側層の剥離性が悪く、ま
た、内容物が減少しても内側層が内容物に忠実に収縮し
ない。Polyamide-66, which is commonly used in nylon, has a melting point of 265 ° C. and polyamide-66.
The melting point of 6 is 225 ° C. When a polyamide having a melting point of more than 200 ° C. is used, the peelability between the outer layer and the inner layer is poor, and even if the content is reduced, the inner layer does not shrink faithfully to the content.
【００１１】上記融点を有するポリアミドとしては、ポ
リアミド−６またはポリアミド−６６の構造を有する共
重合体が好ましく、更に内側層が内容物に忠実に収縮す
るという特性の観点からポリアミド−６構造を有する共
重合体が好ましい。As the polyamide having the above melting point, a copolymer having a structure of polyamide-6 or polyamide-66 is preferable, and further, having a polyamide-6 structure from the viewpoint of the property that the inner layer shrinks faithfully to the contents. Copolymers are preferred.
【００１２】このような共重合ポリアミドの具体例とし
ては、ポリアミド−６／６６、ポリアミド−６／１２、
ポリアミド−６／６１０、ポリアミド−６／６Ｔ（テレ
フタル酸成分）、ポリアミド−６／６６／１２、ポリア
ミド−６／６６／６１０、ポリアミド−６／６６／６１
０／１２等のポリアミド−６とその他のポリアミドとの
共重合ポリアミドが挙げられる。Specific examples of such a copolyamide include polyamide-6 / 66, polyamide-6 / 12,
Polyamide-6 / 610, Polyamide-6 / 6T (terephthalic acid component), Polyamide-6 / 66/12, Polyamide-6 / 66/610, Polyamide-6 / 66/61
Copolyamides of polyamide-6 such as 0/12 and other polyamides may be mentioned.
【００１３】上記ポリアミドの分子量としては特に限定
されないが、ブロー成形性の観点から、ポリアミドの融
点より２０℃高い温度で、剪段速度を１０sec -1とした
条件での溶融粘度が８，０００〜２００，０００ポイズ
であることが好ましい。The molecular weight of the above polyamide is not particularly limited, but from the viewpoint of blow moldability, the melt viscosity at a temperature 20 ° C. higher than the melting point of the polyamide and a shear rate of 10 sec −1 is 8,000 to. It is preferably 200,000 poise.
【００１４】上記ポリアミド樹脂を用いて、積層剥離ボ
トルに成形する方法としては、上記ポリアミド樹脂を内
側層、ポリオレフィンなどの熱可塑性樹脂を外側層とし
て、当業界で一般的な積層剥離ボトルの成形方法、例え
ばブロー成形で行うことができる。また積層ボトルで
は、内側層と外側層との間に中間層を設けることも任意
である。また、本発明の積層ボトルの製造方法では、積
層ボトルをブロー成形した後、該積層ボトルの一部分の
外側層と内側層を強制的に剥離させ、外側層に前記内側
層と前記外側層との間に大気を導入する大気導入孔を形
成する。 As a method for molding a laminated release bottle using the above polyamide resin, a method for forming a laminated release bottle, which is common in the art, using the above polyamide resin as an inner layer and a thermoplastic resin such as polyolefin as an outer layer. For example, blow molding can be performed. Further, in the laminated bottle, it is optional to provide an intermediate layer between the inner layer and the outer layer. In the method for manufacturing a laminated bottle of the present invention, the product
After blow molding the layer bottle,
The outer layer and inner layer are forcibly peeled off, and the inner layer is
An air inlet hole for introducing air between a layer and the outer layer
To achieve.
【００１５】また、本発明では、必要に応じて本発明の
ポリアミド樹脂に、酸化防止剤、耐熱剤、無機充填剤、
その他の樹脂、その他の添加剤を配合することも可能で
あり、その結果、更に付加価値の高い積層剥離ボトルを
得ることができる。In the present invention, if necessary, the polyamide resin of the present invention may be added with an antioxidant, a heat-resistant agent, an inorganic filler,
It is also possible to mix other resins and other additives, and as a result, a laminated release bottle having a higher added value can be obtained.
【００１６】[0016]
【実施例】以下に、実施例を挙げて本発明を具体的に説
明する。EXAMPLES The present invention will be specifically described below with reference to examples.
【００１７】（１）融点の測定
示差走査熱量計（ＤＳＣ）を用いて、試料重量１０mg、
昇温速度２０℃／minでポリアミドの融点を測定した。(1) Measurement of melting point Using a differential scanning calorimeter (DSC), sample weight 10 mg,
The melting point of polyamide was measured at a temperature rising rate of 20 ° C./min.
【００１８】（２）積層剥離ボトルの剥離性
外側層にポリエチレンを用い、内側層には実施例１〜４
および比較例１〜４に示したポリアミドを用いて、共押
出しブロ−成形により外側層の厚さ１．５mm、内側層の
厚さ０．２mmである図１に示した積層剥離ボトルを成形
した。尚、大気導入孔については図２に示したように、
口部より吸引パッドを有する可撓性パイプを挿入し、吸
引パッドを当接させた状態で吸引を行ない外側層と内側
層を強制的に剥離させる。得られた剥離部分に対して、
外側層よりドリルで穿孔し、大気導入孔を設けた。この
ようにして製造された積層剥離ボトルに水を充填し、ボ
トル口に内側層内に大気を侵入させない構造になってい
るポンプディスペンサ−を装填して、内容物を少量ずつ
注出する実験を行ない、剥離性等の評価を行なった。ま
た、注出が終了した後、該ボトルを切断して内側層の収
縮性を確認した。(2) Polyethylene is used for the peelable outer layer of the laminated release bottle, and Examples 1 to 4 are used for the inner layer.
Using the polyamides shown in Comparative Examples 1 to 4, the laminated release bottle shown in FIG. 1 having an outer layer thickness of 1.5 mm and an inner layer thickness of 0.2 mm was formed by coextrusion blow molding. . Regarding the air introduction hole, as shown in FIG.
A flexible pipe having a suction pad is inserted from the mouth, suction is performed with the suction pad in contact, and the outer layer and the inner layer are forcibly separated. For the obtained peeled portion,
A hole was drilled from the outer layer to provide an air introduction hole. The laminated release bottle manufactured in this way was filled with water, the bottle mouth was loaded with a pump dispenser having a structure that does not allow atmospheric air to enter the inner layer, and an experiment was conducted in which the contents were poured out little by little. The evaluation was carried out and the peelability was evaluated. After the pouring was completed, the bottle was cut to confirm the shrinkability of the inner layer.
【００１９】実施例１
ε−カプロラクタムとω−ラウロラクタムの水溶液を、
常法により重合して、融点が１３５℃の６／１２共重合
ポリアミドペレットを得た。この共重合ポリアミドの１
５５℃、剪段速度１０sec -1の条件での溶融年度は２
１，０００ポイズであった。このポリアミドペレットを
用いて前記の方法で、積層剥離ボトルを成形し、内容物
を注出する実験を行なった。Example 1 An aqueous solution of ε-caprolactam and ω-laurolactam was prepared.
Polymerization was carried out by an ordinary method to obtain 6/12 copolyamide pellets having a melting point of 135 ° C. 1 of this copolyamide
The melting year under the conditions of 55 ° C and shear rate of 10 sec -1 is 2
It was 1,000 poise. Using this polyamide pellet, a laminated release bottle was molded by the above-mentioned method, and an experiment for pouring out the contents was conducted.
【００２０】実験の結果、外側層と内側層の剥離性は良
好であり、外側層の変形は発生しなかった。また、内側
層もほぼ完全に収縮して内容物の残量もほとんど認めら
れなかった。As a result of the experiment, the peelability between the outer layer and the inner layer was good, and the outer layer was not deformed. Further, the inner layer also contracted almost completely, and the remaining amount of the contents was hardly recognized.
【００２１】実施例２
ε−カプロラクタムとヘキサメチレンジアミン・アジピ
ン酸の水溶液とを混合し常法により重合して、融点が１
９９℃の６／６６共重合ポリアミドからなるペレットを
得た。このポリアミドペレットを用いて前記の方法で積
層剥離ボトルを成形し、内容物を注出する実験を行なっ
た。評価結果を表１に示す。Example 2 ε-caprolactam and an aqueous solution of hexamethylenediamine / adipic acid were mixed and polymerized by a conventional method to give a melting point of 1
Pellets of 6/66 copolyamide at 99 ° C were obtained. Using this polyamide pellet, a laminated release bottle was formed by the above-mentioned method, and an experiment for pouring out the contents was conducted. The evaluation results are shown in Table 1.
【００２２】実施例３
ε−カプロラクタムとヘキサメチレンジアミン・セバシ
ン酸の水溶液とを混合し、常法により重合して、融点が
１３５℃の６／６１０共重合ポリアミド樹脂からなるペ
レットを得た。このポリアミドペレットを用いて前記の
方法で積層剥離ボトルを成形し、内容物を注出する実験
を行なった。Example 3 Epsilon-caprolactam and an aqueous solution of hexamethylenediamine sebacic acid were mixed and polymerized by a conventional method to obtain pellets of 6/610 copolyamide resin having a melting point of 135 ° C. Using this polyamide pellet, a laminated release bottle was formed by the above-mentioned method, and an experiment for pouring out the contents was conducted.
【００２３】評価結果を表１に示す。The evaluation results are shown in Table 1.
【００２４】実施例４
ε−カプロラクタムとヘキサメチレンジアミン・アジピ
ン酸とヘキサメチレンジアミン・セバシン酸の水溶液と
を混合し、常法により重合して、融点が１５１℃の６／
６６／６１０共重合ポリアミド樹脂からなるペレットを
得た。このポリアミドペレットを用いて前記の方法で積
層剥離ボトルを成形し、内容物を注出する実験を行なっ
た。Example 4 ε-caprolactam, an aqueous solution of hexamethylenediamine / adipic acid and an aqueous solution of hexamethylenediamine / sebacic acid were mixed and polymerized by a conventional method to give a 6 / melting point of 151 ° C.
Pellets of 66/610 copolyamide resin were obtained. Using this polyamide pellet, a laminated release bottle was formed by the above-mentioned method, and an experiment for pouring out the contents was conducted.
【００２５】評価結果を表１に示す。The evaluation results are shown in Table 1.
【００２６】[0026]
【表１】 [Table 1]
【００２７】比較例１〜４
表１に示す単一組成のポリアミドおよび共重合ポリアミ
ドを用いて、実施例１と同じ方法で、注出の実験を行な
った。Comparative Examples 1 to 4 Using the single composition polyamides and copolymerized polyamides shown in Table 1, pouring experiments were conducted in the same manner as in Example 1.
【００２８】融点が２２５℃であるポリアミド−６およ
び融点が２６５℃であるポリアミド−６６を使用した積
層剥離ボトルでは、注出の際、外側層と内側層との剥離
性が悪いため外側層に変形が生じ、外側層と内側層が剥
離する時には剥離音が生じた。また、内側層が完全に収
縮しないため、内容物が完全に注出できなかった（比較
例１、比較例２）。A laminated release bottle using polyamide-6 having a melting point of 225 ° C. and polyamide-66 having a melting point of 265 ° C. has poor peelability between the outer layer and the inner layer at the time of pouring, so that the outer layer is used as the outer layer. When the outer layer and the inner layer were deformed and peeled off, a peeling noise was generated. In addition, since the inner layer did not shrink completely, the contents could not be poured out completely (Comparative Example 1 and Comparative Example 2).
【００２９】融点が２０５℃である６／６６共重合ポリ
アミドおよび融点が２０７℃である６／１２共重合ポリ
アミドを使用した積層剥離ボトルでも、外側層と内側層
が剥離する時には剥離音が生じた。また、内側層が完全
に収縮しないため、内容物が完全に注出できなかった
（比較例３、比較例４）。A laminated release bottle using a 6/66 copolyamide having a melting point of 205 ° C. and a 6/12 copolyamide having a melting point of 207 ° C. also produced a peeling sound when the outer layer and the inner layer were peeled off. . Further, the inner layer did not completely shrink, so that the contents could not be completely poured out (Comparative Examples 3 and 4).
【００３０】[0030]
【発明の効果】以上のように本発明のポリアミド樹脂を
内側層に使用した積層ボトルは、優れた剥離性を有し、
剥離の際にも音が発生しない。また内容物の減少に伴い
内側層のみが変形し、外側層は変形が起こらず、内側層
が内容物に忠実に収縮するために内容物が完全に使い切
れる。付加価値の高い積層剥離ボトルを得ることができ
る。As described above, the laminated bottle using the polyamide resin of the present invention as the inner layer has excellent peelability,
No noise is generated when peeling. Further, as the content decreases, only the inner layer deforms, the outer layer does not deform, and the inner layer shrinks faithfully to the content, so that the content is completely used up. A laminated release bottle with high added value can be obtained.
【図１】（ａ）は本発明の実施例および比較例の積層剥
離ボトルを示す説明図（一部断面図）、（ｂ）はその部
分拡大断面図。FIG. 1A is an explanatory view (partially sectional view) showing laminated release bottles of Examples and Comparative Examples of the present invention, and FIG. 1B is a partially enlarged sectional view thereof.
【図２】本発明の実施例および比較例における積層剥離
ボトルの大気導入孔の形成方法を示す説明図。FIG. 2 is an explanatory view showing a method for forming an air introduction hole of a laminated release bottle in Examples and Comparative Examples of the present invention.
１…外側層 ２…内側層 ３…大気導入孔 ４…可撓性パイプ 1 ... Outer layer 2 ... inner layer 3 ... Atmosphere introduction hole 4 ... Flexible pipe
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) B32B 1/00 - 35/00 B65D 1/02 C08G 69/00 - 69/50 ─────────────────────────────────────────────────── ─── Continuation of the front page (58) Fields surveyed (Int.Cl. 7 , DB name) B32B 1/00-35/00 B65D 1/02 C08G 69/00-69/50
Claims (4)
を内側層、前記ポリアミド樹脂以外の熱可塑性樹脂を外
側層に用い、前記内側層と前記外側層との間に大気を導
入する大気導入孔を有することを特徴とする積層ボト
ル。1. A polyamide resin having a melting point of 200 ° C. or lower.
The inner layer and the thermoplastic resin other than the polyamide resin
Used as a side layer to guide the atmosphere between the inner layer and the outer layer.
Laminated bot characterized by having an air introduction hole to enter
Le .
のポリアミドとの共重合ポリアミドである請求項１記載
の積層ボトル。2. The laminated bottle according to claim 1, wherein the polyamide is a copolyamide of polyamide-6 and another polyamide.
特徴とする請求項１または２に記載の積層ボトル。3. The inner layer is thinner than the outer layer.
The laminated bottle according to claim 1 or 2, which is characterized .
を内側層、ポリアミド樹脂以外の熱可塑性樹脂を外側層
として積層ボトルをブロー成形し、該積層ボトルの一部
分の外側層と内側層を強制的に剥離させた後、外側層に
前記内側層と前記外側層との間に大気を導入する大気導
入孔を形成することを特徴とする積層ボトルの製造方
法。Wherein the inner layer of polyamide resin having a melting point of 200 ° C. or less, the thermoplastic resin other than the polyamide resin laminated bottle blow molded as an outer layer, a portion of the laminated bottle
After forcing the outer and inner layers of the
Atmosphere guide for introducing atmosphere between the inner layer and the outer layer
A method for producing a laminated bottle, which comprises forming an inlet hole .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19626096A JP3489342B2 (en) | 1995-11-29 | 1996-07-25 | Laminated bottle and method for producing the same |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7-311292 | 1995-11-29 | ||
| JP31129295 | 1995-11-29 | ||
| JP19626096A JP3489342B2 (en) | 1995-11-29 | 1996-07-25 | Laminated bottle and method for producing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09208688A JPH09208688A (en) | 1997-08-12 |
| JP3489342B2 true JP3489342B2 (en) | 2004-01-19 |
Family
ID=26509647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19626096A Expired - Fee Related JP3489342B2 (en) | 1995-11-29 | 1996-07-25 | Laminated bottle and method for producing the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3489342B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101898913B1 (en) | 2014-10-07 | 2018-10-31 | 교라꾸 가부시끼가이샤 | Delaminated container manufacturing method and air leak inspection method for delaminated container |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001026881A1 (en) * | 1999-10-08 | 2001-04-19 | Taisei Kako Co., Ltd. | Method of producing laminated bottles having peelable inner layer |
| US20080257883A1 (en) | 2007-04-19 | 2008-10-23 | Inbev S.A. | Integrally blow-moulded bag-in-container having an inner layer and the outer layer made of the same material and preform for making it |
| US20080260978A1 (en) | 2007-04-19 | 2008-10-23 | Inbev S.A. | Integral two layer preform, process and apparatus for the production thereof, process for producing a blow-moulded bag-in-container, and bag-in-container thus produced |
| US20080257847A1 (en) | 2007-04-19 | 2008-10-23 | Inbev S.A. | Integrally blow-moulded bag-in-container having a bag anchoring point; process for the production thereof; and tool therefor |
| US20080257846A1 (en) | 2007-04-19 | 2008-10-23 | Inbev S.A. | Integrally blow-moulded bag-in-container having interface vents opening to the atmosphere at location adjacent to bag's mouth; preform for making it; and processes for producing the preform and bag-in-container |
| US9475611B2 (en) | 2007-04-19 | 2016-10-25 | Anheuser-Busch Inbev S.A. | Integrally blow-moulded bag-in-container having interface vents opening to the atmosphere at location adjacent to bag's mouth, preform for making it; and processes for producing the preform and bag-in-container |
| US20080258356A1 (en) | 2007-04-19 | 2008-10-23 | Inbev S.A. | Integrally blow-moulded bag-in-container comprising an inner layer and an outer layer comprising energy absorbing additives, and preform for making it |
| US9944453B2 (en) | 2007-04-19 | 2018-04-17 | Anheuser-Busch Inbev S.A. | Integrally blow-moulded bag-in-container having an inner layer and the outer layer made of the same material and preform for making it |
| US9849621B2 (en) | 2007-04-19 | 2017-12-26 | Anheuser-Busch Inbev S.A. | Integrally blow-moulded bag-in-container having a bag anchoring point; process for the production thereof; and tool thereof |
| JP7207514B2 (en) * | 2017-12-22 | 2023-01-18 | 東洋製罐グループホールディングス株式会社 | Double structure container |
-
1996
- 1996-07-25 JP JP19626096A patent/JP3489342B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101898913B1 (en) | 2014-10-07 | 2018-10-31 | 교라꾸 가부시끼가이샤 | Delaminated container manufacturing method and air leak inspection method for delaminated container |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09208688A (en) | 1997-08-12 |
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