JPH1142681A - Injection molding machine and container - Google Patents

Injection molding machine and container

Info

Publication number
JPH1142681A
JPH1142681A JP9200241A JP20024197A JPH1142681A JP H1142681 A JPH1142681 A JP H1142681A JP 9200241 A JP9200241 A JP 9200241A JP 20024197 A JP20024197 A JP 20024197A JP H1142681 A JPH1142681 A JP H1142681A
Authority
JP
Japan
Prior art keywords
container
center
mold
molding
liquid
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.)
Pending
Application number
JP9200241A
Other languages
Japanese (ja)
Inventor
Noriharu Katsumata
紀晴 勝又
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dai Nippon Printing Co Ltd
Original Assignee
Dai Nippon Printing Co Ltd
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 Dai Nippon Printing Co Ltd filed Critical Dai Nippon Printing Co Ltd
Priority to JP9200241A priority Critical patent/JPH1142681A/en
Publication of JPH1142681A publication Critical patent/JPH1142681A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005Components or details
    • B05B11/0037Containers

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

PROBLEM TO BE SOLVED: To easily use up content liquid by obliquely forming an upper surface of a male mold or female mold for molding a bottom of a container toward a center, and forming a recess at a center on the upper surface, thereby eliminating a gap at a peripheral edge of the bottom. SOLUTION: In the case of molding a bottom 8 of the container, thermoplastic resin is cast in an air gap 9 formed by a combination of a male mold 3 and female mold 4 and molded. A descent oblique surface inclining obliquely downward toward a center of an upper surface 3a of the mold 3 is formed on the surface 3a of the mold 3, and a recess 3b of a circular shape as seen in plane is formed at the center on the upper surface. And, a vertically falling step 3c is formed at a peripheral edge of the surface 3a, and hence a container body 5 is adhered as a sidewall 8c of the bottom 8 to the peripheral edge of an upper surface 8a of the bottom 8 at the time of molding the bottom 8. As a result, there is no gap for retaining content liquid at a peripheral edge of the bottom of the container. Further, the liquid of small residue is all gathered to a recess 8b at a center of the bottom, and can be easily used up to last liquid by a nozzle 11.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、プラスチック容器
のインジェクション成形装置と、その装置によって得ら
れるインジェクション成形容器に関するものであり、特
にポンプ使用の容器や吸い上げ芯使用の液体芳香剤用容
器の底部の形状に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an injection molding device for a plastic container and an injection molding container obtained by the device, and more particularly to an injection molding container using a pump and a liquid fragrance container using a suction wick. It is about shape.

【0002】[0002]

【従来の技術】従来より、シャンプー、リンスなどの容
器には、ポンプ使用のプラスチック容器が多く使われて
いる。そして、このような容器や液体芳香剤に使用され
る容器等は、ブロー成形やインジェクション成形などに
よって成形されるが、ブロー成形においては、通常、図
6のブロー成形用金型(12)(13)で示すように、
容器底部中央を僅かに底上げして成形する。
2. Description of the Related Art Conventionally, pumps are often used for containers such as shampoos and rinses. Such a container or a container used for a liquid fragrance is molded by blow molding or injection molding. In blow molding, usually, the blow molding dies (12) and (13) shown in FIG. ),
The bottom of the container is slightly raised at the center and molded.

【0003】[0003]

【発明が解決しようとする課題】したがって、これらの
容器では、図4、図5で示すように、容器内において、
底部の周縁部に内容液が残留し、全部使い切るのに不便
であるという問題があった。特に液体芳香剤に使用され
る容器(14)の場合には、図4で示すように、吸い上
げ芯(15)が容器の底部中央に向かって垂設されるた
め、内容液が底部の周縁部(14a)に残って全部使い
切ることが困難であり、使い切らない残留液が存在する
と、消費者は新しいものに買い換えることが少なく、残
留液が残ったまま長期間放置することが多い。
Therefore, in these containers, as shown in FIG. 4 and FIG.
There is a problem that the content liquid remains on the peripheral portion of the bottom portion, and it is inconvenient to use up the entire liquid. In particular, in the case of the container (14) used for a liquid fragrance, as shown in FIG. It is difficult to completely use up the remaining liquid remaining in (14a), and if there is residual liquid that is not used up, consumers are less likely to buy a new one and often leave the remaining liquid for a long time.

【0004】また、ポンプ使用の容器(16)の場合に
は、図5で示すように、ポンプの吸い上げノズル(1
7)を屈曲成形して、底部の周縁部(16a)に近接さ
せ、全部吸い上げられるようにすることが考えられる
が、折れ曲がったノズル(17)を容器内に機械等で入
れて行くことは容易ではなく、それなりの装置も必要
で、コスト的にも問題があった。そこで、本発明は、ブ
ロー成形ではなく、インジェクション成形を用い、底部
の周縁部には隙間を作らず、液体芳香剤に使用される容
器やポンプ使用の容器等に特に好適なインジェクション
成形容器と、その容器を成形するためのインジェクショ
ン成形装置を得ることを目的とするものである。
Further, in the case of a container (16) using a pump, as shown in FIG.
7) may be bent so as to be close to the peripheral portion (16a) of the bottom so that the whole can be sucked up. However, it is easy to mechanically insert the bent nozzle (17) into the container. Instead, a proper device was required, and there was a problem in cost. Thus, the present invention uses injection molding, not blow molding, and does not form a gap in the peripheral portion of the bottom, and is particularly suitable for a container used for a liquid fragrance, a container used for a pump, and the like. It is an object to obtain an injection molding device for molding the container.

【0005】[0005]

【課題を解決するための手段】本発明は以上のような目
的を達成するために、次のようなインジェクション成形
装置を提供するものである。すなわち、容器胴部を成形
する雄型及び雌型と、容器底部を成形する雄型及び雌型
とを有し、容器底部を成形する雄型又は雌型の上面は中
央に向かって傾斜形成されるとともに、その上面中央に
は凹部が形成されていることを特徴とするインジェクシ
ョン成形装置である。
SUMMARY OF THE INVENTION The present invention provides the following injection molding apparatus to achieve the above object. That is, it has a male mold and a female mold for molding the container body, and a male mold and a female mold for molding the container bottom, and the upper surface of the male mold or the female mold for molding the container bottom is inclined toward the center. In addition, the injection molding device is characterized in that a concave portion is formed in the center of the upper surface.

【0006】そして、この装置によって得られる、次の
ようなインジェクション成形容器を提供するものであ
る。すなわち、容器底部の上面が中央に向かって傾斜形
成されるとともに、その上面中央には凹部が形成されて
いることを特徴とするインジェクション成形容器であ
る。
[0006] The present invention provides the following injection molded container obtained by this apparatus. That is, the injection-molded container is characterized in that the upper surface of the container bottom is inclined toward the center, and a recess is formed in the center of the upper surface.

【0007】[0007]

【発明の実施の形態】以下、本発明の実施の形態を図面
に示す実施例を基に説明する。なお、この実施例におけ
る容器の形状としては、ポンプ使用の容器を想定してい
る。図1は容器の胴部を成形する雄型及び雌型の側断面
図であり、図2は容器の底部を成形する雄型及び雌型の
側断面図である。また、図3は本発明にかかるポンプ使
用の容器の側断面図である。本発明は、プラスチック容
器のインジェクション成形において、特に容器底部の形
状に関するものである。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiments of the present invention will be described below based on examples shown in the drawings. The shape of the container in this embodiment is assumed to be a container using a pump. FIG. 1 is a side sectional view of a male mold and a female mold for molding a body of a container, and FIG. 2 is a side sectional view of a male mold and a female mold for molding a bottom of the container. FIG. 3 is a side sectional view of a container using a pump according to the present invention. The present invention relates to injection molding of a plastic container, and particularly to the shape of the bottom of the container.

【0008】図1、図2で示すように、本発明に使用す
るインジェクション成形用金型は、容器の口部分と胴部
分を成形する雄型(1)及び雌型(2)と、底部分を成
形する雄型(3)及び雌型(4)とに分かれている。
今、図3で示すポンプ使用の容器の胴部(5)の形状が
得られるように、雄型(1)と雌型(2)は形成されて
おり、容器胴部(5)は、雄型(1)及び雌型(2)を
組合せてできる空隙(6)に、溶融したポリエチレンや
ポリプロピレンなどの熱可塑性樹脂を流し込んで冷却す
ることにより成形される。なお、このとき樹脂は雌型
(2)の上部に設けたゲート(7)から流し込むように
なっている。また、容器の底部(8)を成形する場合も
同様であり、雄型(3)及び雌型(4)を組合せてでき
る空隙(9)に、溶融したポリエチレンやポリプロピレ
ンなどの熱可塑性樹脂を流し込んで成形する。なお、こ
のとき樹脂は雄型(3)及び雌型(4)の上部に設けた
ゲート(10)から流し込むようになっている。
As shown in FIGS. 1 and 2, an injection mold used in the present invention comprises a male mold (1) and a female mold (2) for molding a mouth portion and a body portion of a container, and a bottom portion. Are divided into a male mold (3) and a female mold (4).
Now, the male mold (1) and the female mold (2) are formed so as to obtain the shape of the body (5) of the container using the pump shown in FIG. Molding is performed by pouring molten thermoplastic resin such as polyethylene or polypropylene into a gap (6) formed by combining the mold (1) and the female mold (2) and cooling. At this time, the resin is poured from a gate (7) provided above the female mold (2). The same applies to the case where the bottom portion (8) of the container is molded, and a molten thermoplastic resin such as polyethylene or polypropylene is poured into a gap (9) formed by combining the male mold (3) and the female mold (4). Mold with At this time, the resin is poured from a gate (10) provided above the male mold (3) and the female mold (4).

【0009】容器底部(8)を成形する雄型(3)の上
面部(3a)には、図2で示すように、上面中央に向か
って斜め下向きに傾斜する下り傾斜面が形成されるとと
もに、その上面中央には、平面視円形の凹部(3b)が
形成されている。また、その上面部(3a)の周縁に
は、垂直に下がる段差部(3c)が形成されており、容
器底部(8)を成形したときに、上面部(8a)の周縁
に側壁部(8c)が形成されるようにしている。この側
壁部(8c)は、容器胴部(5)との接着が容易にでき
るようにするためのものであって、側壁部(8c)の外
側面が胴部(5)の下部内面に接着されるようになって
いる。
As shown in FIG. 2, a downwardly sloping surface is formed on the upper surface (3a) of the male mold (3) for molding the container bottom (8). In the center of the upper surface, a circular recess (3b) is formed in a plan view. A vertically descending step (3c) is formed on the periphery of the upper surface (3a). When the container bottom (8) is formed, the side wall (8c) is formed on the periphery of the upper surface (8a). ) Is formed. The side wall (8c) is for facilitating adhesion to the container body (5), and the outer surface of the side wall (8c) is bonded to the lower inner surface of the body (5). It is supposed to be.

【0010】雄型(3)の凹部(3b)の径は、例え
ば、図3で示すようなポンプ使用の容器の場合には、そ
のポンプの吸い上げノズル(11)の径より、又、液体
芳香剤に使用される容器の場合には、その吸い上げ芯の
径より、少し大きめに形成されているもので、最大でも
それらの径の約2倍程度が好ましい。これは、直状の吸
い上げノズル(11)や吸い上げ芯を容器に装着したと
きに、多少の位置ズレがあったとしても、確実にその雄
型(3)の凹部(3b)によって形成される容器底部
(8)の凹部(8b)に、ノズル(11)や芯が嵌入さ
れるようにするためである。
For example, in the case of a container using a pump as shown in FIG. 3, the diameter of the concave portion (3b) of the male mold (3) is larger than the diameter of the suction nozzle (11) of the pump. In the case of a container used for an agent, it is formed slightly larger than the diameter of the suction core, and it is preferable that the diameter is at most about twice as large as the diameter. This is because when the straight suction nozzle (11) or the suction core is attached to the container, even if there is a slight displacement, the container formed by the concave portion (3b) of the male mold (3) is surely formed. This is because the nozzle (11) and the core are fitted into the concave portion (8b) of the bottom portion (8).

【0011】なお、今は雄型(3)に形成する場合につ
いて説明をしたが、雄型(3)と雌型(4)が反対にな
っても同様である。また、容器底部(8)に形成される
凹部(8b)の形状を平面視円形としたが、凹部(8
b)の形状はこれに限定されるものではなく、ノズル
(11)や芯が嵌入できる形状のものであれば、例えば
平面視正方形等であってもよい。また、図3で示すよう
に、容器底部(8)の凹部(8b)の深さは、先端が若
干斜めに切り欠かれたノズルであっても、液を吸い上げ
ることが容易にできるように、そのノズル先端の切り欠
かれた長さ以上に形成することが望ましく、通常5mm
程度の深さにするのが好ましい。
Although the case of forming the male mold (3) has been described above, the same is true even if the male mold (3) and the female mold (4) are reversed. Further, the shape of the concave portion (8b) formed in the container bottom (8) is circular in a plan view.
The shape of b) is not limited to this, but may be, for example, a square in a plan view, as long as the shape can fit the nozzle (11) and the core. Further, as shown in FIG. 3, the depth of the concave portion (8b) of the container bottom (8) is set so that the liquid can be easily sucked even with a nozzle whose tip is slightly cut off obliquely. It is desirable to form the nozzle with a length equal to or greater than the notched length at the tip of the nozzle, usually 5 mm.
It is preferred to have a depth of the order.

【0012】こうして成形された容器底部(8)は容器
胴部(5)に接着されるが、このときの接着方法は超音
波シールや熱溶着など任意の接着手段を採るものであ
る。また、接着する位置は、容器底部(8)に形成され
た側壁部(8c)の高さが、凹部(8b)によって下面
中央から下方に向かって突出する部分より高い場合は、
図3で示すように、側壁部(8c)の端部が、容器胴部
(5)の周端部(5a)と同一平面になるように接着す
ることも可能になるが、低い場合は、その底部下面中央
から突出する部分が、容器の安定性を阻害しないよう
に、側壁部(5c)、即ち容器底部(8)を、容器胴部
(5)内において、適切な高さ位置まで上昇させて接着
する必要がある。何れにせよ、容器底部(8)を容器胴
部(5)に接着するとき、容器の安定性が考慮されてい
ればよく、図示のものに限定されるものでないことは言
うまでもない。
The container bottom (8) thus formed is bonded to the container body (5), and the bonding method at this time employs any bonding means such as ultrasonic sealing or heat welding. In addition, when the height of the side wall portion (8c) formed on the container bottom portion (8) is higher than the portion protruding downward from the center of the lower surface by the concave portion (8b),
As shown in FIG. 3, it is possible to bond the end of the side wall (8 c) so as to be flush with the peripheral end (5 a) of the container body (5). The side wall (5c), that is, the container bottom (8), is raised to an appropriate height within the container body (5) so that the portion projecting from the center of the bottom surface of the bottom does not impair the stability of the container. Need to be glued. In any case, when the container bottom (8) is bonded to the container body (5), it is needless to say that the stability of the container may be considered, and the present invention is not limited to the illustrated one.

【0013】こうしてできた容器によれば、底部周縁に
内容液が残留するような隙間はなく、しかも、容器底部
(8)の上面部(8a)が中央に向かって下り傾斜して
いるため、残り少なくなった内容液は全て底部中央の凹
部(8b)に集められて貯留することになる。したがっ
て、ポンプ使用の容器にあっては、ポンプの吸い上げノ
ズル(11)は直状でよく、機械での装着が容易になる
し、ノズル(11)がその凹部(8b)に嵌入すること
によって、最後の液まで容易に使い切ることができるよ
うになる。そして、液体芳香剤に使用される容器にあっ
ては、吸い上げ芯が同様に最後の液まで吸い上げること
が可能となる。
According to the container thus formed, there is no gap at the periphery of the bottom where the liquid content remains, and the upper surface (8a) of the container bottom (8) is inclined downward toward the center. All the remaining content liquid is collected and stored in the concave portion (8b) at the bottom center. Therefore, in the case of a container using a pump, the suction nozzle (11) of the pump may be straight, which facilitates installation on a machine, and the nozzle (11) fits into the concave portion (8b) of the pump. The last liquid can be easily used up. And in a container used for a liquid fragrance, the wick can likewise wick up to the last liquid.

【0014】以上のように、本発明によれば、液体を入
れる容器において、容器内における底部の周縁部には隙
間がなく、容器底部の上面が中央に向かって傾斜形成さ
れるとともに、その上面中央部分に凹部が形成されてい
るため、残り少なくなった内容液は底部中央の凹部に全
て集まることになり、ポンプ使用の容器の場合は吸い上
げノズルが、液体芳香剤に使用される容器の場合は吸い
上げ芯が、その凹部に嵌入して、内容液を最後まで容易
に使い切ることができるようになる。したがって、従来
のように内容液が残留するようなことはなく、ポンプ使
用の容器や液体芳香剤に使用される容器として、特に好
適なものとなる。なお、本発明にかかる容器の形状は図
示のものに限定されるものでないことは言うまでもな
く、底部上面の形状や凹部の形状等も本発明の精神の範
囲内において、適宜設計変更可能なものである。
As described above, according to the present invention, in a container for containing a liquid, there is no gap at the peripheral edge of the bottom in the container, and the upper surface of the container bottom is formed to be inclined toward the center, and the upper surface thereof is formed. Since the concave portion is formed in the central portion, the remaining content liquid is all collected in the concave portion at the bottom center, and in the case of a container using a pump, the suction nozzle is used, and in the case of a container used for liquid fragrance, The suction wick fits into the recess, so that the content liquid can be easily used up to the end. Therefore, the content liquid does not remain as in the related art, and is particularly suitable as a container used for a pump or a container used for a liquid fragrance. Needless to say, the shape of the container according to the present invention is not limited to those shown in the drawings, and the shape of the bottom upper surface and the shape of the concave portion can be appropriately changed in design within the spirit of the present invention. is there.

【0015】[0015]

【発明の効果】本発明によれば、成形容器内における底
部周縁には隙間がなく、底部上面が中央に向かって傾斜
形成されるとともに、その上面中央に凹部が形成されて
いるので、容器内の残り少なくなった液は、全てその凹
部に集まることになり、ポンプ使用の容器や液体芳香剤
に使用される容器として特に好適となる。つまり、吸い
上げノズルや吸い上げ芯がその凹部に嵌入されるので、
内容液を最後まで容易に使い切ることができるようにな
る。
According to the present invention, there is no gap at the bottom peripheral edge in the molded container, and the bottom upper surface is formed to be inclined toward the center and the concave portion is formed at the center of the upper surface. All of the remaining liquid is collected in the recess, which is particularly suitable as a container used for a pump or a container used for a liquid fragrance. In other words, since the suction nozzle and the suction core are fitted into the recess,
The content liquid can be easily used up to the end.

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

【図1】本発明にかかる容器胴部を成形する雄型及び雌
型の側断面図
FIG. 1 is a side sectional view of a male mold and a female mold for forming a container body according to the present invention.

【図2】本発明にかかる容器底部を成形する雄型及び雌
型の側断面図
FIG. 2 is a side sectional view of a male mold and a female mold for forming a container bottom according to the present invention.

【図3】本発明にかかるポンプ使用の容器の側断面図FIG. 3 is a side sectional view of a container using a pump according to the present invention.

【図4】従来の液体芳香剤に使用される容器の側断面図FIG. 4 is a side sectional view of a container used for a conventional liquid fragrance.

【図5】従来のポンプ使用の容器の側断面図FIG. 5 is a side sectional view of a conventional container using a pump.

【図6】従来のブロー成形用金型の概略側断面図FIG. 6 is a schematic side sectional view of a conventional blow molding die.

【符号の説明】[Explanation of symbols]

1 胴部の雄型 2 胴部の雌型 3 底部の雄型 4 底部の雌型 5 胴部 6 空隙 7 ゲート 8 底部 9 空隙 10 ゲート 11 吸い上げノズル 1 Male Body 2 Body Female 3 Bottom Male 4 Female Bottom 5 Body 6 Air Gap 7 Gate 8 Bottom 9 Air Gap 10 Gate 11 Suction Nozzle

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 容器胴部を成形する雄型及び雌型と、容
器底部を成形する雄型及び雌型とを有し、容器底部を成
形する雄型又は雌型の上面は中央に向かって傾斜形成さ
れるとともに、その上面中央には凹部が形成されている
ことを特徴とするインジェクション成形装置。
A male mold and a female mold for molding a container body, and a male mold and a female mold for molding a container bottom, and the upper surface of the male mold or the female mold for molding the container bottom is directed toward the center. An injection molding apparatus, which is formed so as to be inclined and has a recess formed in the center of its upper surface.
【請求項2】 容器底部の上面が中央に向かって傾斜形
成されるとともに、その上面中央には凹部が形成されて
いることを特徴とするインジェクション成形容器。
2. An injection-molded container, wherein an upper surface of a container bottom is formed to be inclined toward the center, and a concave portion is formed in the center of the upper surface.
JP9200241A 1997-07-25 1997-07-25 Injection molding machine and container Pending JPH1142681A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9200241A JPH1142681A (en) 1997-07-25 1997-07-25 Injection molding machine and container

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9200241A JPH1142681A (en) 1997-07-25 1997-07-25 Injection molding machine and container

Publications (1)

Publication Number Publication Date
JPH1142681A true JPH1142681A (en) 1999-02-16

Family

ID=16421153

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9200241A Pending JPH1142681A (en) 1997-07-25 1997-07-25 Injection molding machine and container

Country Status (1)

Country Link
JP (1) JPH1142681A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6033082U (en) * 1983-08-11 1985-03-06 株式会社吉野工業所 Creamy storage container
JPH0387691U (en) * 1989-12-26 1991-09-06
JPH0450686U (en) * 1990-09-06 1992-04-28
JPH04158017A (en) * 1990-10-23 1992-06-01 Daiwa Can Co Ltd Manufacture of multi-chamber container and mold for molding container main body
JPH0639784U (en) * 1992-03-04 1994-05-27 鐘紡株式会社 Liquid discharge container
JPH06246777A (en) * 1993-02-26 1994-09-06 Dainippon Printing Co Ltd Apparatus for producing composite container
JPH06246778A (en) * 1993-02-26 1994-09-06 Dainippon Printing Co Ltd Method and apparatus for producing composite container

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6033082U (en) * 1983-08-11 1985-03-06 株式会社吉野工業所 Creamy storage container
JPH0387691U (en) * 1989-12-26 1991-09-06
JPH0450686U (en) * 1990-09-06 1992-04-28
JPH04158017A (en) * 1990-10-23 1992-06-01 Daiwa Can Co Ltd Manufacture of multi-chamber container and mold for molding container main body
JPH0639784U (en) * 1992-03-04 1994-05-27 鐘紡株式会社 Liquid discharge container
JPH06246777A (en) * 1993-02-26 1994-09-06 Dainippon Printing Co Ltd Apparatus for producing composite container
JPH06246778A (en) * 1993-02-26 1994-09-06 Dainippon Printing Co Ltd Method and apparatus for producing composite container

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