JP6112651B2 - Paper container manufacturing method and straw hole coating apparatus - Google Patents
Paper container manufacturing method and straw hole coating apparatus Download PDFInfo
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- JP6112651B2 JP6112651B2 JP2012247967A JP2012247967A JP6112651B2 JP 6112651 B2 JP6112651 B2 JP 6112651B2 JP 2012247967 A JP2012247967 A JP 2012247967A JP 2012247967 A JP2012247967 A JP 2012247967A JP 6112651 B2 JP6112651 B2 JP 6112651B2
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- 239000010902 straw Substances 0.000 title claims description 84
- 239000011248 coating agent Substances 0.000 title claims description 12
- 238000000576 coating method Methods 0.000 title claims description 12
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 239000012815 thermoplastic material Substances 0.000 claims description 17
- 235000021056 liquid food Nutrition 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 13
- 238000003825 pressing Methods 0.000 claims description 13
- 238000011144 upstream manufacturing Methods 0.000 claims description 12
- 239000011449 brick Substances 0.000 claims description 4
- 239000003292 glue Substances 0.000 description 9
- 239000005022 packaging material Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 238000009826 distribution Methods 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000008267 milk Substances 0.000 description 2
- 210000004080 milk Anatomy 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000015203 fruit juice Nutrition 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000002650 laminated plastic Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 235000020124 milk-based beverage Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 235000019992 sake Nutrition 0.000 description 1
- 235000020083 shōchū Nutrition 0.000 description 1
- 235000014214 soft drink Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 235000014347 soups Nutrition 0.000 description 1
- 235000013322 soy milk Nutrition 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 235000015192 vegetable juice Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 235000014101 wine Nutrition 0.000 description 1
Landscapes
- Containers And Plastic Fillers For Packaging (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
- Cartons (AREA)
- Containers Opened By Tearing Frangible Portions (AREA)
Description
本発明は、頂面に形成されるストロー孔が被覆され液体食品が充填された紙容器の製造方法及びストロー孔被覆装置に関する。 The present invention relates to a method for manufacturing a paper container in which a straw hole formed on a top surface is coated and filled with a liquid food, and a straw hole coating apparatus .
柔軟性に富んだ紙製包装材料は多年にわたって液体食品を包装するために用いられてきた。牛乳、果汁ジュース、野菜ジュース、豆乳、ワイン、清酒、焼酎、ミネラルウォーター、スープ及びその他飲料のための図５に示すような包装容器５は、例えば、繊維質基材（例えば、紙など）／プラスチック積層体に折目線が付けられたウェブ状包装材料を、その長手方向の縦線シールによりチューブ状に成形し、チューブ状に成形された包装材料内に液体食品を充填し、チューブ状包装材料を横断方向に横シールすると共に、枕状の包装体（一次形状容器）に予備成形する。
枕状の包装体を横シール帯域で容器１個分ごとに切断し、最終成形工程で、折目線に沿って山折り若しくは谷折に、フィン及びフラップを、底面、頂面及び側面に折畳んで、前面を有するレンガ状の紙容器が成形される。多くの容器では、頂面に、ストローを刺しストローから飲用できるように、ストロー孔が穿孔され、プラスチックフィルムやアルミ箔層がその孔を容器の内側及び外側から覆い、内容物を保護する。（例えば、特許文献１参照）
Flexible paper packaging materials have been used for many years to package liquid foods. A packaging container 5 as shown in FIG. 5 for milk, fruit juice, vegetable juice, soy milk, wine, sake, shochu, mineral water, soup and other beverages is, for example, a fibrous base material (eg paper) / A web-like packaging material with a crease line attached to a plastic laminate is formed into a tube shape by a longitudinal line seal in the longitudinal direction, and the liquid food is filled into the tube-shaped packaging material, and the tube-like packaging material Is transversely sealed in the transverse direction and preformed into a pillow-shaped package (primary shape container).
The pillow-shaped package is cut into one container at a horizontal sealing zone, and in the final molding process, folded into a fold or valley along the fold line, and the fins and flaps are folded to the bottom, top, and sides. Thus, a brick-like paper container having a front surface is formed. In many containers, a straw hole is drilled on the top surface so that a straw can be stabbed and drunk from the straw, and a plastic film or aluminum foil layer covers the hole from the inside and outside of the container to protect the contents. (For example, see Patent Document 1)
通常、ストロー孔は頂面を穿孔して内面/外面側に熱可塑性樹脂フィルムを積層するので、ストロー孔の外側は凹状に窪んで紙槽の厚さ分の段差がある。この凹部の角に、製造工程や流通過程、また家庭での保存中に、紙粉や微小な固形物が付着する恐れがある。飲用には、ストローでストロー孔を開口し、意図しない不要物が紙容器内部に混入する恐れがある。
これに対して、容器製造直後にパッチフィルムを貼着することなどの技術が提案されている。しかしながら、リール状フィルムからパッチフィルムへの切断、フィルムのストロー孔への覆い、フィルムの孔外周へのシールなどの工程を要し、各工程毎の高価且つ嵩張る装置を追加する必要がある。
Usually, the straw hole is formed by punching the top surface and laminating the thermoplastic resin film on the inner surface / outer surface side, so that the outer side of the straw hole is recessed in a concave shape and has a level difference corresponding to the thickness of the paper tank. There is a risk that paper powder and fine solid matter may adhere to the corners of the recesses during the manufacturing process, distribution process, and storage at home. For drinking, a straw hole is opened with a straw, and there is a possibility that unintended unnecessary matter may be mixed inside the paper container.
On the other hand, techniques such as attaching a patch film immediately after the manufacture of the container have been proposed. However, it requires processes such as cutting from a reel-like film to a patch film, covering the film with a straw hole, sealing to the outer periphery of the film hole, and it is necessary to add an expensive and bulky device for each process.
本発明は、ストロー孔に、流通過程、また家庭での保存中に、何らの物質も付着することがなく、意図しない不要物が紙容器内部に混入する恐れがなく、しかも、追加的に簡易且つ廉価な装置を用いるだけの、紙容器の製造方法及び紙容器のストロー孔被覆装置を提供することを目的とする。 The present invention does not allow any substances to adhere to the straw hole during the distribution process or during storage at home, and there is no risk of unintended unwanted matter mixing into the paper container. It is another object of the present invention to provide a paper container manufacturing method and a paper container straw hole coating apparatus using only an inexpensive apparatus.
本発明の紙容器の製造方法は、頂面にストロー孔が形成され、液体食品が充填された紙容器を準備する工程と、前記ストロー孔の外側外周に、熱可塑性材料の溶融塊を滴下する工程と、前記溶融塊を前記頂面に押付けて延ばし、前記ストロー孔の外周及び凹状内部に薄層を形成する工程と、を備えることを特徴とする。 Method of manufacturing a paper container of the present invention, the straw hole is formed in the top surface, the steps of the liquid food to prepare a paper container which is filled, on the outer periphery of the straw hole, dropping a molten mass of thermoplastic material And a step of pressing and extending the molten mass against the top surface to form a thin layer on an outer periphery and a concave interior of the straw hole .
本発明のストロー孔被覆装置は、頂面にストロー孔が形成され、液体食品が充填された紙容器を搬送する搬送手段と、搬送される前記紙容器の前記ストロー孔の搬送上流側の外側外周に熱可塑性材料の溶融塊を滴下する手段と、滴下された前記紙容器の搬送側下流で滴下直後に、前記溶融塊を、搬送上流側から下流側に、前記頂面に押付け延ばして、前記ストロー孔の外周及び凹状内部に薄層を形成する押付け手段とを備えることを特徴とする。 Straw hole coating apparatus of the present invention, the straw hole is formed in the top surface, and conveying means for liquid food to carry the paper container filled with the outer periphery of the transport upstream side of the straw hole of the paper container to be transported the means for dropping a molten mass of thermoplastic material, immediately after dropping the transport side downstream of dropped the paper container, the molten mass, on the downstream side from the transport upstream side, is extended pressed against the top surface, the And a pressing means for forming a thin layer on the outer periphery and the concave inside of the straw hole.
この発明の好ましい態様において、押付け手段が、固定されたローラであり、押付けされる紙容器が頂面の高さを実質的に変動させずに搬送される。 In a preferred aspect of the present invention, the pressing means is a fixed roller, and the paper container to be pressed is conveyed without substantially changing the height of the top surface.
この発明の好ましい態様において、紙容器がレンガ形状であり、頂面の高さが一定であり、頂面が平坦である。 In a preferred embodiment of the present invention, the paper container has a brick shape, the top surface has a constant height, and the top surface is flat.
この発明の好ましい態様において、紙容器の全体若しくは一部が本体が多角形状であり、頂面の高さが一定であり、頂面が平坦である。 In a preferred embodiment of the present invention, the whole or a part of the paper container has a polygonal main body, the top surface has a constant height, and the top surface is flat.
上記構成の本発明によれば、以下の作用機能を発揮し、有利な効果が得られる。
本発明の紙容器は、折目線を有するウェブ状包装材料から成形され、折目線に沿って折られてフィン及びフラップが、底面、頂面及び側面に折畳まれ、頂面にストロー孔が形成され、液体食品が充填された紙容器である。
頂面に形成されたストロー孔によって、ストローを刺しストローから飲用できる。
According to the present invention having the above configuration, the following functions are exhibited and advantageous effects are obtained.
The paper container of the present invention is formed from a web-like packaging material having a crease line, folded along the crease line, and the fins and flaps are folded to the bottom surface, top surface and side surface, and a straw hole is formed on the top surface. And a paper container filled with liquid food.
The straw can be drunk from the straw through the straw hole formed in the top surface.
本発明の特徴において、紙容器は、ストロー孔の外側外周に滴下された熱可塑性材料の溶融塊が頂面に押付けられ延ばされて、ストロー孔を外周及びその凹状内部が熱可塑性材料の薄層で覆われている。
熱可塑性材料の溶融塊が頂面に押付けられ延ばされているので、頂面に強く接着させず、容易に剥離することができる。また、ストロー孔を外周及びその凹状内部が薄層で覆われているので、ストロー孔の凹部を保護することができる。
この保護作用によって、ストロー孔に、流通過程、また家庭での保存中に、何らの物質も付着することがなく、意図しない不要物が紙容器内部に混入することを防止することができる。
In a feature of the present invention, the paper container has a molten mass of the thermoplastic material dropped on the outer periphery of the straw hole, pressed against the top surface and stretched so that the outer periphery of the straw hole and the concave interior are thin of the thermoplastic material. Covered with layers.
Since the molten mass of the thermoplastic material is pressed and extended on the top surface, it can be easily peeled off without strongly bonding to the top surface. Moreover, since the outer periphery of the straw hole and its concave interior are covered with a thin layer, the concave part of the straw hole can be protected.
This protective action prevents any substances from adhering to the straw holes during the distribution process or during storage at home, and prevents unwanted substances from entering the paper container.
本発明のストロー孔被覆装置は、折目線を有するウェブ状包装材料から成形され、折目線に沿って折られてフィン及びフラップが、底面、頂面及び側面に折畳まれ、頂面にストロー孔が形成され、液体食品が充填された紙容器に適用される。
製造工程において、多数個の紙容器は、連続的に搬送される。これらの紙容器の頂面にあるストロー孔の上流側の外側外周に、熱可塑性材料の溶融塊を、滴下手段で、滴下する。滴下した溶融塊は、頂面に付着する。
The straw hole coating apparatus of the present invention is formed from a web-like packaging material having a crease line, folded along the crease line, and the fins and flaps are folded to the bottom face, top face and side face, and the straw hole is formed on the top face. Is applied to a paper container filled with liquid food.
In the manufacturing process, a large number of paper containers are continuously conveyed. A molten lump of thermoplastic material is dropped by a dropping means on the outer periphery on the upstream side of the straw hole on the top surface of these paper containers. The dripped molten mass adheres to the top surface.
滴下された紙容器は搬送側下流に移動する。滴下直後に、滴下し付着した溶融塊を、溶融塊の上流側から下流側に、頂面に、押付け手段で押付け延ばす。上流側に滴下された溶融塊は、上流側から下流側に面積を広げ、ストロー孔の外周及びその凹状内部に拡がって行く。その結果、熱可塑性材料の薄層が、ストロー孔を外周及びその凹状内部を覆う。
高価な装置を用いることなく、所定の目的に沿って、熱可塑性材料の薄層をストロー孔を外周及びその凹状内部に覆うことができる。
The dropped paper container moves downstream on the conveyance side. Immediately after dropping, the molten mass dropped and adhered is pushed and extended from the upstream side to the downstream side of the molten mass on the top surface by pressing means. The molten mass dropped on the upstream side increases in area from the upstream side to the downstream side, and extends to the outer periphery of the straw hole and the concave inside thereof. As a result, a thin layer of thermoplastic material covers the outer perimeter of the straw hole and its concave interior.
Without using an expensive device, a thin layer of thermoplastic material can be covered on the outer periphery of the straw hole and the concave interior thereof for a predetermined purpose.
この発明の好ましい態様において、押付け手段が、固定されたローラであり、押付けされる紙容器が頂面の高さを実質的に変動させずに搬送される。
押付けされる紙容器が頂面の高さを実質的に変動させずに搬送されるので、溶融塊の位置は、変動しない。固定されたローラを用いて廉価に且つ簡易に押し付けすることができる。
In a preferred aspect of the present invention, the pressing means is a fixed roller, and the paper container to be pressed is conveyed without substantially changing the height of the top surface.
Since the paper container to be pressed is transported without substantially changing the height of the top surface, the position of the molten mass does not change. It can be pressed inexpensively and easily using a fixed roller.
この発明の好ましい態様において、紙容器がレンガ形状であり、頂面の高さが一定であり、頂面が平坦である。
レンガ形状の紙容器や全体若しくは一部が本体が多角形状の紙容器は、非常に普及しているので、広範囲に大規模に適用することができる。
In a preferred embodiment of the present invention, the paper container has a brick shape, the top surface has a constant height, and the top surface is flat.
Brick-shaped paper containers and paper containers whose whole or part of the main body has a polygonal shape are very widespread, and can be applied over a wide range on a large scale.
以下、本発明の実施の形態について図面を参照しながら詳細に説明する。
本発明による実施形態の紙容器１は、折目線を有するウェブ状包装材料から成形され、折目線に沿って折られてフィン及びフラップが、底面、頂面２及び側面に折畳まれ、頂面２にストロー孔８が形成され、液体食品が充填された紙容器１である。
頂面２に形成されたストロー孔８によって、ストローを刺しストローから飲用する。
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
The paper container 1 of the embodiment according to the present invention is formed from a web-like packaging material having a crease line, folded along the crease line, and the fins and flaps are folded to the bottom face, the top face 2 and the side face, and the top face 2 is a paper container 1 in which a straw hole 8 is formed and filled with liquid food.
A straw is stabbed and drunk from the straw by the straw hole 8 formed in the top surface 2.
実施形態において、紙容器１は、ストロー孔８の外側外周に滴下された熱可塑性材料の溶融塊９が頂面２に押付けられ延ばされて、図４に示すように、ストロー孔８を外周及びその凹状内部が熱可塑性材料の薄層１２で覆われている。
熱可塑性材料の溶融塊９が頂面２に押付けられ延ばされているので、頂面２に強く接着させず、容易に剥離する。また、ストロー孔８の外周及び凹状内部が薄層１２で覆われているので、ストロー孔８の凹部を保護する。
In the embodiment, the paper container 1 is formed by the molten mass 9 of thermoplastic material dripped on the outer periphery of the straw hole 8 being pressed against the top surface 2 and extended, as shown in FIG. And its concave interior is covered with a thin layer 12 of thermoplastic material.
Since the molten mass 9 of the thermoplastic material is pressed against the top surface 2 and extended, it does not adhere strongly to the top surface 2 and easily peels off. Moreover, since the outer periphery and the concave inside of the straw hole 8 are covered with the thin layer 12, the recessed part of the straw hole 8 is protected.
牛乳、清涼飲料水等の液体食品を充填した紙容器１は、頂面２、底面、側面で外観レンガに形成され、頂面２にストロー孔８が設けられる。紙容器１は、図示しないコンベヤーラインによって矢印の方向に搬送される。ストロー孔８の前方近傍に溶融軟化した溶融熱可塑性材料（例えば、グル―）９が、滴下手段のノズル１０を介して所望量、滴下する。押付け手段のローラ１１を頂面２に押付けて、グル―９をストロー孔８に押し込むと同時にストロー孔８の近傍を覆る。 A paper container 1 filled with a liquid food such as milk or soft drink is formed into an appearance brick on the top surface 2, bottom surface, and side surface, and a straw hole 8 is provided on the top surface 2. The paper container 1 is conveyed in the direction of the arrow by a conveyor line (not shown). A melted thermoplastic material (for example, glue) 9 melted and softened in the vicinity of the front of the straw hole 8 is dropped by a desired amount through the nozzle 10 of the dropping means. The roller 11 of the pressing means is pressed against the top surface 2 to push the glue 9 into the straw hole 8 and simultaneously cover the vicinity of the straw hole 8.
グル―９は、ストロー孔８の全域を囲むとともに周縁部の近傍も含んで頂面２と略同一面状に略楕円形状で覆うので、ストロー孔８の凹状部を保護する。
消費者に届くまでの全搬送過程において、ストロー孔８の内部を確実に保護する。紙容器を上下方向に複数個積み重ねて搬送或いは保管する場合でも、グル―９とストロー孔８近傍における頂面２とが実質同レベルの水平面状なので問題なく安定して積み重ねることができる。
Since the group 9 surrounds the entire area of the straw hole 8 and covers the entire surface of the straw hole 8 in a substantially elliptical shape substantially in the same plane as the top surface 2, the concave part of the straw hole 8 is protected.
The entire inside of the straw hole 8 is reliably protected in the entire conveyance process until reaching the consumer. Even when a plurality of paper containers are stacked and transported or stored in the vertical direction, the glue 9 and the top surface 2 in the vicinity of the straw hole 8 have substantially the same level and can be stably stacked without any problem.
グル―９は、ストロー孔８に形成する樹脂材に固着するので、ストロー孔８をストローで開封した際にグル―９は、紙容器内部に落下せず、ストロー孔８の樹脂材と共にストロー孔８の周囲の樹脂の一部分に連続する状態で残る。このため、ストローの内部にグル―９片などが紛れ込むことがない。 Since the glue 9 is fixed to the resin material formed in the straw hole 8, the glue 9 does not fall into the paper container when the straw hole 8 is opened with the straw, and the straw hole together with the resin material of the straw hole 8. It remains in a continuous state in a part of the resin around the 8. For this reason, the group 9 pieces and the like are not mixed into the straw.
この形態のストロー孔被覆装置は、頂面２にストロー孔８が形成され、液体食品が充填された紙容器１に適用される。
製造工程において、多数個の紙容器１は、連続的に搬送される。これらの紙容器の頂面にあるストロー孔の上流側の外側外周に、熱可塑性材料の溶融塊９を、滴下手段１０で、滴下する。滴下した溶融塊は、頂面に付着する。
This type of straw hole coating apparatus is applied to a paper container 1 in which a straw hole 8 is formed on the top surface 2 and filled with liquid food.
In the manufacturing process, a large number of paper containers 1 are continuously conveyed. The molten mass 9 of thermoplastic material is dropped by the dropping means 10 on the outer periphery on the upstream side of the straw hole on the top surface of these paper containers. The dripped molten mass adheres to the top surface.
図１、図２に示すように、紙容器１がコンベヤー上で矢印方向に搬送される過程で、ホットメルト装置で溶融軟化した被覆材としてのグル―９が、ノズル１０を介してストロー孔８の近傍に滴下する。滴下する位置はストロー孔８がまだ到着しない時点でありコンベヤーの下流側である。グルー９は略半球の山状で頂面２に付着する。 As shown in FIGS. 1 and 2, in the process in which the paper container 1 is transported in the direction of the arrow on the conveyor, the glue 9 as a coating material melted and softened by the hot melt device passes through the nozzle 10 through the straw hole 8. Drip in the vicinity of The dripping position is the point in time when the straw hole 8 has not yet arrived, and is downstream of the conveyor. The glue 9 is attached to the top surface 2 in a substantially hemispherical mountain shape.
滴下された紙容器は搬送側下流に移動する。滴下直後に、図３に示すように、滴下し付着した溶融塊９を、溶融塊の上流側から下流側に、頂面に、押付け手段１１（ローラ）で押付け延ばす。上流側に滴下された溶融塊９は、上流側から下流側に面積を広げ、ストロー孔の外周及びその凹状内部に拡がって行く。 The dropped paper container moves downstream on the conveyance side. Immediately after dropping, as shown in FIG. 3, the molten mass 9 dropped and adhered is pushed and extended from the upstream side to the downstream side of the molten mass by the pressing means 11 (roller) on the top surface. The molten mass 9 dropped on the upstream side increases in area from the upstream side to the downstream side, and expands to the outer periphery of the straw hole and the concave interior thereof.
図４に示す様に、熱可塑性材料の薄層１２が、ストロー孔８を外周及びその凹状内部を覆う。
高価な装置を用いることなく、所定の目的に沿って、熱可塑性材料の薄層をストロー孔を外周及びその凹状内部に覆うことができる。
As shown in FIG. 4, a thin layer 12 of thermoplastic material covers the straw hole 8 on the outer periphery and its concave interior.
Without using an expensive device, a thin layer of thermoplastic material can be covered on the outer periphery of the straw hole and the concave interior thereof for a predetermined purpose.
この態様において、押付け手段１１が、固定されたローラであり、押付けされる紙容器が頂面の高さを実質的に変動させずに搬送される。
押付けされる紙容器が頂面の高さを実質的に変動させずに搬送される。溶融塊９の位置は、変動しない。固定されたローラ１１を用いて廉価に且つ簡易に押し付けする。
In this embodiment, the pressing means 11 is a fixed roller, and the paper container to be pressed is transported without substantially changing the height of the top surface.
The pressed paper container is conveyed without substantially changing the height of the top surface. The position of the molten mass 9 does not vary. Using the fixed roller 11, the pressing is inexpensive and simple.
図３に示すように、ローラ１１が下降し（移動し）頂面２に当接する。紙容器１がコンベヤー上で矢印方向に搬送される過程で、グル―９がローラ１１よってストロー孔８に流動して覆う。その後、別の態様では、ローラ１１は頂面２を離れて上昇する。 As shown in FIG. 3, the roller 11 descends (moves) and contacts the top surface 2. In the process in which the paper container 1 is conveyed in the direction of the arrow on the conveyor, the glue 9 flows and covers the straw hole 8 by the roller 11. Thereafter, in another aspect, the roller 11 rises off the top surface 2.
図４に示すように、ローラ１１よって押し込まれてストロー孔８に拡がり、グル―９はストロー孔８の外周縁部近傍の頂面２にも広がる。 As shown in FIG. 4, the roller 11 is pushed into the straw hole 8, and the glue 9 spreads to the top surface 2 near the outer peripheral edge of the straw hole 8.
この形態では、ウェブ状の包装材料は、紙基材、及び紙基材の両面にポリエチレン樹脂が積層された可撓性の積層体から成り、紙基材とポリエチレンとの間にアルミニウム箔などの導電層が形成され、包装容器の表面に相当する部分にあらかじめ外装用の印刷が施される。 In this form, the web-like packaging material is composed of a paper base material and a flexible laminate in which polyethylene resin is laminated on both sides of the paper base material, and an aluminum foil or the like is provided between the paper base material and polyethylene. A conductive layer is formed, and exterior printing is performed in advance on a portion corresponding to the surface of the packaging container.
上述に実証されるように、ストロー孔に、流通過程、また家庭での保存中に、何らの物質も付着することがなく、意図しない不要物が紙容器内部に混入する恐れがなく、しかも、追加的に簡易且つ廉価な装置を用いるだけの、紙容器及び紙容器のストロー孔被覆装置を提供することができる。 As demonstrated above, there is no possibility that any substance will adhere to the straw hole during the distribution process or during storage at home, and there is no risk of unintended unwanted matter mixing into the paper container, In addition, it is possible to provide a paper container and a straw hole covering device for the paper container that only uses a simple and inexpensive device.
なお、本発明は前記実施の形態に限定されるものではなく、本発明の趣旨に基づいて種々変形させることが可能であり、それらを本発明の範囲から排除するものではない。 In addition, this invention is not limited to the said embodiment, It can change variously based on the meaning of this invention, and does not exclude them from the scope of the present invention.
この発明は、液体食品の包装容器に適用することができる。 The present invention can be applied to a packaging container for liquid food.
１ 紙容器
２ 頂面
８ ストロー孔
９ 溶融塊
１０ 滴下手段
１１ ローラ
１２ 薄層
DESCRIPTION OF SYMBOLS 1 Paper container 2 Top surface 8 Straw hole 9 Molten lump 10 Dripping means 11 Roller 12 Thin layer
Claims (5)
前記ストロー孔の外側外周に、熱可塑性材料の溶融塊を滴下する工程と、
前記溶融塊を前記頂面に押付けて延ばし、前記ストロー孔の外周及び凹状内部に薄層を形成する工程と、
を備える紙容器の製造方法。 Preparing a paper container in which a straw hole is formed on the top surface and filled with liquid food ;
The outer perimeters of the straw hole, a step of dropping a molten mass of thermoplastic material,
Extending the molten mass by pressing against the top surface, and forming a thin layer on the outer periphery and concave interior of the straw hole;
A method for manufacturing a paper container .
搬送される前記紙容器の前記ストロー孔の搬送上流側の外側外周に熱可塑性材料の溶融塊を滴下する手段と、
滴下された前記紙容器の搬送側下流で滴下直後に、前記溶融塊を、搬送上流側から下流側に、前記頂面に押付け延ばして、前記ストロー孔の外周及び凹状内部に薄層を形成する押付け手段と
を備えることを特徴とするストロー孔被覆装置。 A transport means for transporting a paper container filled with liquid food with a straw hole formed on the top surface ;
It means for dropping the molten mass of thermoplastic material on the outer periphery of the transport upstream side of the straw hole of the paper container to be conveyed,
Immediately after dropping the transport side downstream of the dropped the paper container, the molten mass, on the downstream side from the transport upstream side, is extended pressed against the top surface to form a periphery and a concave interior in a thin layer of the straw hole A straw hole covering device comprising: a pressing means.
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| JPS587323A (en) * | 1981-07-07 | 1983-01-17 | Corona Kogyo Kk | Manufacture of combined body of transparent synthetic resin molded body and metal indicator plate |
| JPH0571134U (en) * | 1992-03-03 | 1993-09-24 | 大和製罐株式会社 | Easy opening can lid |
| FR2700520B1 (en) * | 1993-01-15 | 1997-10-24 | Rojek Metalgrafica | Easy-cover metal lid for vacuum closure, cups and other packaging for canned food and its manufacturing process. |
| JP2000190958A (en) * | 1999-01-05 | 2000-07-11 | Nihon Tetra Pak Kk | Packaging container |
| JP2000313435A (en) * | 1999-04-28 | 2000-11-14 | Yoshitaka Shinomiya | Pack container |
| JP2001261035A (en) * | 2000-03-16 | 2001-09-26 | Nihon Tetra Pak Kk | Packaging receptacle |
| JP2003026158A (en) * | 2001-07-19 | 2003-01-29 | Nihon Tetra Pak Kk | Container |
| SE524838C2 (en) * | 2002-08-08 | 2004-10-12 | Tetra Laval Holdings & Finance | Portion packaging for a liquid food |
| JP4320330B2 (en) * | 2006-03-03 | 2009-08-26 | ソニーケミカル＆インフォメーションデバイス株式会社 | Functional element mounting module, manufacturing method thereof, and resin sealing substrate structure |
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