JP2005075458A - Packaging container - Google Patents
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- JP2005075458A JP2005075458A JP2003312143A JP2003312143A JP2005075458A JP 2005075458 A JP2005075458 A JP 2005075458A JP 2003312143 A JP2003312143 A JP 2003312143A JP 2003312143 A JP2003312143 A JP 2003312143A JP 2005075458 A JP2005075458 A JP 2005075458A
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- lid
- packaging container
- resealed
- inner lid
- bottom material
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- 238000004806 packaging method and process Methods 0.000 title claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 53
- 238000007789 sealing Methods 0.000 abstract description 14
- 235000013305 food Nutrition 0.000 abstract description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 2
- 230000004888 barrier function Effects 0.000 abstract description 2
- 239000001301 oxygen Substances 0.000 abstract description 2
- 229910052760 oxygen Inorganic materials 0.000 abstract description 2
- -1 polyethylene terephthalate Polymers 0.000 description 20
- 239000004743 Polypropylene Substances 0.000 description 14
- 239000010410 layer Substances 0.000 description 14
- 229920001155 polypropylene Polymers 0.000 description 14
- 239000000047 product Substances 0.000 description 6
- 239000005038 ethylene vinyl acetate Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000005020 polyethylene terephthalate Substances 0.000 description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 4
- 230000032798 delamination Effects 0.000 description 4
- 229910001882 dioxygen Inorganic materials 0.000 description 4
- 229920000092 linear low density polyethylene Polymers 0.000 description 4
- 239000004707 linear low-density polyethylene Substances 0.000 description 4
- 229920001684 low density polyethylene Polymers 0.000 description 4
- 239000004702 low-density polyethylene Substances 0.000 description 4
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 4
- 239000002356 single layer Substances 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- 239000004793 Polystyrene Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000005022 packaging material Substances 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000009820 dry lamination Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 235000015220 hamburgers Nutrition 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229920001179 medium density polyethylene Polymers 0.000 description 1
- 239000004701 medium-density polyethylene Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 235000020991 processed meat Nutrition 0.000 description 1
- 235000013580 sausages Nutrition 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 235000012046 side dish Nutrition 0.000 description 1
- 238000007666 vacuum forming Methods 0.000 description 1
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Abstract
Description
本発明は食品、医薬品等の包装分野において、内容物の保存性を高めるための酸素遮蔽性の密封包装容器等において、開封後に繰り返し再封できる包装容器に関するものである。 The present invention relates to a packaging container that can be repeatedly resealed after opening in an oxygen-shielding hermetically sealed packaging container or the like for enhancing the preservability of contents in the field of packaging foods, pharmaceuticals, and the like.
ハム、ソーセージ等の食肉加工食品、ハンバーグ、ミートボール、唐揚げ等の惣菜は酸素遮蔽性の包装材料を使用して、真空包装または不活性ガスを注入しながらシールして密封したガス置換包装が実施され、内容物の保存性を高めている。これらの包装形態は製品の流通、店頭での販売、購入後の使用者の保管に充分な保存期間が確保されており、製品の拡販に貢献し多くの製品で用いられている。一方で使用者は内容物の食品を一度に全量使用しきれずに、残った内容物を一定期間冷蔵庫等で保管する場合が多く、密閉できるプラスチック容器に移し替えたり、ラップで仮包装したりしていた。 Processed meat products such as ham and sausage, hamburger, meatballs, and deep-fried side dishes are made of oxygen-shielding packaging materials that are vacuum-packed or sealed with an inert gas and sealed with a gas replacement package. It has been implemented to improve the preservation of contents. These packaging forms have a sufficient storage period for distribution of products, sales at stores, and storage for users after purchase, and contribute to sales expansion of products and are used in many products. On the other hand, users often do not use all the food in the contents at once, and the remaining contents are often stored in a refrigerator for a certain period of time, and can be transferred to a plastic container that can be sealed or temporarily wrapped in wraps. It was.
これらの手間を省いて利便性を高めるために、例えば特許文献１のように蓋材として剛性の高い材料を使用し蓋材を成形して周縁部が底材に嵌合する形状とし、繰り返し再封することができる包装容器が考案された。
In order to save these troubles and improve convenience, for example, as in
しかし、蓋材の剛性を持たせる為に厚みの厚い材料を用いることから包材コストが高くなる上に熱シールによる包装容器への加工時にシール温度を高く、またシール時間を長くすることが必要となり、生産性が著しく低下した。また、熱シールした部分を開封する際に蓋材シートの剛性が高いために開封作業性が悪いという問題も発生した。
本発明の目的とするところは、内容物の保存のための酸素遮断性の材料よりなる密封包装容器等において、使用時の開封作業性が良く、開封後繰り返し再封でき、自動包装機による生産性に優れており安価な包装容器を提供することである。 The object of the present invention is to provide an easy-opening workability at the time of use in a sealed packaging container made of an oxygen-blocking material for storage of contents, which can be re-sealed after opening, and is produced by an automatic packaging machine. It is to provide an inexpensive packaging container that is excellent in performance.
本発明は、
(1) 蓋材と底材より形成される密封包装容器であって、容器内に中蓋を設けて、蓋材の開封後に中蓋と底材とを嵌合させて再封できることを特徴とする包装容器、
(2) 蓋材の厚みが１００μm以下である（１）項記載の包装容器、
(3) 底材の成形ボトム部１周に凹み部分を設けて中蓋と嵌合させる（１）又は（２）項記載の包装容器、
(4) 底材の成形部の外側１周に溝状の凹み部分を設けて中蓋と嵌合させる（１）又は（２）項記載の包装容器、
である。
The present invention
(1) A sealed packaging container formed from a lid material and a bottom material, characterized in that an inner lid is provided in the container and the inner lid and the bottom material can be fitted and resealed after the lid material is opened. Packaging container,
(2) The packaging container according to (1), wherein the thickness of the lid is 100 μm or less,
(3) The packaging container according to (1) or (2), wherein a concave portion is provided on one circumference of the bottom portion of the bottom material and is fitted to the inner lid.
(4) The packaging container according to (1) or (2), wherein a groove-shaped dent is provided on the outer periphery of the molded part of the bottom material and fitted with the inner lid.
It is.
本発明に従うと、内容物の保存のための酸素遮断性の優れた密封包装容器等において、開封作業性に優れるとともに繰り返し再封して内容物を必要量だけ使用して残りの内容物を一定期間保管できる包装容器を生産性の低下も無く安価に得ることが出来る。 According to the present invention, in a sealed packaging container or the like having excellent oxygen barrier properties for storage of contents, it is excellent in opening workability and is repeatedly resealed to use a necessary amount of the contents to keep the remaining contents constant. A packaging container that can be stored for a period of time can be obtained at a low cost without a decrease in productivity.
本発明は通常フォームフィルシールと呼ばれる、底材の成形工程、内容物の充填工程、真空またはガス置換するとともに蓋材と熱シールして密封する工程、最終製品形状への切断工程を連続して行う機械に適用して、内容物の充填後に予め成形して作成された中蓋を供給することにより、容易に実現でき効果的に用いられる。また、成形、充填、熱シール、切断の１工程または複数の工程を別ラインで実施する包装容器に対しても使用することができる。 In the present invention, a process for forming a bottom material, a filling process for contents, a process for vacuum or gas replacement and heat sealing with a lid material and sealing, and a cutting process into a final product shape are continuously performed. It can be easily realized and used effectively by applying to the machine to be performed and supplying an inner lid formed by pre-molding after filling the contents. Moreover, it can be used also for the packaging container which implements one process of shaping | molding, filling, heat sealing, and cutting | disconnection, or several processes by another line.
本発明に用いられる底材の材質は特に限定されるものではなく、圧空または真空成形により成形ができ、酸素ガス遮蔽層を含む公知の多層フィルムまたはシートを用いることができる。例えば酸素ガス遮蔽層としてエチレンー酢酸ビニル共重合体ケン化物、ポリ塩化ビニリデン、外層としてポリエチレンテレフタレート、ポリ塩化ビニル樹脂、ポリプロピレン、ポリスチレン、シール層として低密度ポリエチレン、直鎖低密度ポリエチレン、中密度ポリエチレン、高密度ポリエチレン、ポリプロピレン、エチレン−酢酸ビニル共重合体などの層が共押出法またはドライラミネート法により積層されたものが用いられる。蓋材の材質も特に限定されるものではなく、底材との熱シールが可能な酸素ガス遮蔽層を含む公知の多層フィルムまたはシートを用いることができるが、１００μｍ以下の厚みのものを用いたほうが熱シール効率が良く生産性が向上する上に、開封作業性の向上、安価となることからも好ましい。 The material of the bottom material used in the present invention is not particularly limited, and can be formed by compressed air or vacuum forming, and a known multilayer film or sheet including an oxygen gas shielding layer can be used. For example, saponified ethylene-vinyl acetate copolymer, polyvinylidene chloride as oxygen gas shielding layer, polyethylene terephthalate, polyvinyl chloride resin, polypropylene, polystyrene as outer layer, low density polyethylene, linear low density polyethylene, medium density polyethylene as sealing layer, A layer in which layers of high-density polyethylene, polypropylene, ethylene-vinyl acetate copolymer and the like are laminated by a co-extrusion method or a dry lamination method is used. The material of the lid material is not particularly limited, and a known multilayer film or sheet including an oxygen gas shielding layer capable of heat sealing with the bottom material can be used, but a thickness of 100 μm or less is used. This is preferable because the heat sealing efficiency is good and the productivity is improved, and the opening workability is improved and the cost is reduced.
容器の開封時にはシール部分を刃物でカットして容器を開封することができるが、より容易に開封するためにはイージーオープンタイプの包装容器とすることが好ましく、凝集剥離、界面剥離、層間剥離等によりイージーオープン性を付与した公知のシール層材料の蓋材と底材の組み合わせのものを使用することも出きる。 The container can be opened by cutting the sealing part with a blade when opening the container, but it is preferable to use an easy open type packaging container for easier opening, such as cohesive peeling, interfacial peeling, delamination, etc. Therefore, it is possible to use a combination of a lid material and a bottom material of a known seal layer material imparted with easy openability.
中蓋は予め成形した包装容器よりも一回り以上小さいものを用いて、内容物の充填後に供給し、その後中蓋の外側で底材と蓋材を熱シールして密封される。包装容器の開封後に再封して使用する際には中蓋には酸素ガス遮蔽性が要求されないことから、剛性の高い材質の成形品が適しており、好ましくは低コスト面からポリエチレンテレフタレート、ポリスチレン、ポリプロピレン、ポリカーボネート、ポリ塩化ビニル樹脂などの汎用樹脂の単層シートの成形品が用いられる。 The inner lid is one or more smaller than the pre-shaped packaging container and is supplied after filling the contents, and then the bottom and the lid are heat sealed on the outside of the inner lid and sealed. Since the inner lid is not required to have oxygen gas shielding properties when it is re-sealed after opening the packaging container, a highly rigid molded product is suitable, and polyethylene terephthalate and polystyrene are preferable from the viewpoint of low cost. A molded product of a single-layer sheet of a general-purpose resin such as polypropylene, polycarbonate, or polyvinyl chloride resin is used.
図１は実施例１の底材側から見た平面図であり、図２は蓋材側を上にして側面から見た平面図、図３は蓋材側を上にしたＡ−Ａ‘面の断面図である。即ち、最外層よりポリプロピレン（０．２ｍｍ）／酸変性ポリプロピレン（０．０１ｍｍ）／エチレンー酢酸ビニル共重合体ケン化物（０．０２ｍｍ）／酸変性低密度ポリエチレン（０．０１ｍｍ）／直鎖低密度ポリエチレン（０．１６ｍｍ）の順に積層された厚さ０．４mmの多層シートを圧空成形し、主たる成形部に加えてフランジ部に図１、２の通り幅５ｍｍ、長さ３０ｍｍ、深さ５ｍｍの凹部を２箇所設けた。厚さ０．２ｍｍのポリプロピレン単層シートを底材の主たる成形部および凹部とほぼ同じ形状の高さ３ｍｍの凸型に成形した中蓋を嵌合させて、外層より酸化ケイ素蒸着二軸延伸ＰＥＴ（０．０１５ｍｍ）／ポリプロピレン（０．０４ｍｍ）／直鎖低密度ポリエチレン（０．００５ｍｍ）の順に積層された蓋材と熱シールして包装容器を得た。蓋材の層間剥離により容易に開封するとともに中蓋を成形された底材と嵌合させて繰り返し再封することができた。 1 is a plan view seen from the bottom material side of Example 1, FIG. 2 is a plan view seen from the side with the lid side facing up, and FIG. 3 is an AA ′ plane with the lid side facing up FIG. That is, from the outermost layer, polypropylene (0.2 mm) / acid-modified polypropylene (0.01 mm) / saponified ethylene-vinyl acetate copolymer (0.02 mm) / acid-modified low density polyethylene (0.01 mm) / linear low density A multilayer sheet having a thickness of 0.4 mm laminated in the order of polyethylene (0.16 mm) is subjected to pressure forming, and in addition to the main molded part, the flange part has a width of 5 mm, a length of 30 mm and a depth of 5 mm as shown in FIGS. Two recesses were provided. A 0.2-mm-thick polypropylene single-layer sheet is fitted with an inner lid formed into a convex shape with a height of 3 mm that is almost the same shape as the main molded portion and concave portion of the bottom material, and silicon oxide vapor-deposited biaxially stretched PET from the outer layer (0.015 mm) / polypropylene (0.04 mm) / linear low density polyethylene (0.005 mm) were laminated in this order and heat sealed to obtain a packaging container. The lid was easily opened by delamination of the lid, and the inner lid was fitted with the molded bottom and repeatedly resealed.
図４は実施例２の底材側から見た平面図であり、図５は蓋材側を上にして側面から見た平面図、図６は蓋材側を上にしたＢ−Ｂ‘面の断面図である。即ち、最外層よりポリプロピレン（０．２ｍｍ）／酸変性ポリプロピレン（０．０１ｍｍ）／エチレンー酢酸ビニル共重合体ケン化物（０．０２ｍｍ）／酸変性低密度ポリエチレン（０．０１ｍｍ）／直鎖低密度ポリエチレン（０．１６ｍｍ）の順に積層された厚さ０．４mmの多層シートを圧空成形し、主たる成形部のボトム部１周に図４、５の通り幅２ｍｍ、深さ３ｍｍの段状の成形を設けた。厚さ０．２ｍｍのポリプロピレン単層シートを底材の主たる成形部のボトム部とほぼ同じ大きさの高さ３ｍｍの凸型に成形した中蓋を嵌合させて、外層より酸化ケイ素蒸着二軸延伸ＰＥＴ（０．０１５ｍｍ）／ポリプロピレン（０．０４ｍｍ）／直鎖低密度ポリエチレン（０．００５ｍｍ）の順に積層された蓋材と熱シールして包装容器を得た。蓋材の層間剥離により容易に開封するとともに中蓋を成形された底材と嵌合させて繰り返し再封することができた。 4 is a plan view seen from the bottom material side of Example 2, FIG. 5 is a plan view seen from the side with the lid side facing up, and FIG. 6 is a BB ′ side with the lid side facing up. FIG. That is, from the outermost layer, polypropylene (0.2 mm) / acid-modified polypropylene (0.01 mm) / saponified ethylene-vinyl acetate copolymer (0.02 mm) / acid-modified low density polyethylene (0.01 mm) / linear low density A 0.4mm thick multilayer sheet laminated in the order of polyethylene (0.16mm) is pressure-formed and formed into a step shape with a width of 2mm and a depth of 3mm as shown in Figs. Was provided. A polypropylene monolayer sheet with a thickness of 0.2 mm is fitted with an inner lid formed into a convex shape with a height of 3 mm, which is almost the same size as the bottom part of the main molding part of the bottom material, and a silicon oxide deposited biaxial from the outer layer A packaging container was obtained by heat-sealing with a cover material laminated in the order of stretched PET (0.015 mm) / polypropylene (0.04 mm) / linear low density polyethylene (0.005 mm). The lid was easily opened by delamination of the lid, and the inner lid was fitted with the molded bottom and repeatedly resealed.
図７は実施例３の底材側から見た平面図であり、図８は蓋材側を上にして側面から見た平面図、図９は蓋材側を上にしたＣ−Ｃ‘面の断面図である。即ち、最外層よりポリプロピレン（０．２ｍｍ）／酸変性ポリプロピレン（０．０１ｍｍ）／エチレンー酢酸ビニル共重合体ケン化物（０．０２ｍｍ）／酸変性低密度ポリエチレン（０．０１ｍｍ）／直鎖低密度ポリエチレン（０．１６ｍｍ）の順に積層された厚さ０．４mmの多層シートを圧空成形し、主たる成形部に加えてその周囲のフランジ部に図７、８の通り幅５ｍｍ、深さ４ｍｍの凹部を設けた。厚さ０．２ｍｍのポリプロピレン単層シートを底材の主たる成形部および周囲の凹部とほぼ同じ形状の高さ３ｍｍの凸型に成形した中蓋を嵌合させて、外層より酸化ケイ素蒸着二軸延伸ＰＥＴ（０．０１５ｍｍ）／ポリプロピレン（０．０４ｍｍ）／直鎖低密度ポリエチレン（０．００５ｍｍ）の順に積層された蓋材と熱シールして包装容器を得た。蓋材の層間剥離により容易に開封するとともに中蓋を成形された底材と嵌合させて繰り返し再封することができた。 7 is a plan view seen from the bottom material side of Example 3, FIG. 8 is a plan view seen from the side with the lid side facing up, and FIG. 9 is a CC ′ plane with the lid side facing up. FIG. That is, from the outermost layer, polypropylene (0.2 mm) / acid-modified polypropylene (0.01 mm) / saponified ethylene-vinyl acetate copolymer (0.02 mm) / acid-modified low density polyethylene (0.01 mm) / linear low density A 0.4mm thick multilayer sheet laminated in the order of polyethylene (0.16mm) is pressure-air molded, and in addition to the main molded part, a concave part with a width of 5mm and a depth of 4mm as shown in FIGS. Was provided. A polypropylene monolayer sheet with a thickness of 0.2 mm is fitted with an inner lid formed into a convex shape with a height of 3 mm, which is almost the same shape as the main molded portion of the bottom material and the surrounding concave portion, and a silicon oxide vapor-deposited biaxial from the outer layer A packaging container was obtained by heat-sealing with a cover material laminated in the order of stretched PET (0.015 mm) / polypropylene (0.04 mm) / linear low density polyethylene (0.005 mm). The lid was easily opened by delamination of the lid, and the inner lid was fitted with the molded bottom and repeatedly resealed.
本発明の包装容器は内容物の保存性を高めるための酸素遮蔽性の密封包装容器であり、開封後に繰り返し再封できる包装容器に関するものである。
使用時に容易に開封して内容物を必要量取り出せ、食品等の消費者への流通形態として広く使用することができ、開封後に容易に再封できることから使い切るまでの一定期間の保管容器として活用することができる。
The packaging container of the present invention is an oxygen-shielding hermetic packaging container for enhancing the preservation of contents, and relates to a packaging container that can be resealed repeatedly after opening.
Can be easily opened at the time of use to take out the required amount, can be widely used as a form of distribution to consumers such as foods, and can be used as a storage container for a certain period until it is used up because it can be easily resealed after opening be able to.
１ 底材
２ 蓋材
３ 中蓋
４ シール部
５ 嵌合部
DESCRIPTION OF
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003312143A JP2005075458A (en) | 2003-09-04 | 2003-09-04 | Packaging container |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003312143A JP2005075458A (en) | 2003-09-04 | 2003-09-04 | Packaging container |
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| Publication Number | Publication Date |
|---|---|
| JP2005075458A true JP2005075458A (en) | 2005-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2003312143A Pending JP2005075458A (en) | 2003-09-04 | 2003-09-04 | Packaging container |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD597831S1 (en) | 2007-12-04 | 2009-08-11 | Kraft Foods Global Brands Llc | Food package |
| US8158174B2 (en) | 2002-09-27 | 2012-04-17 | Kraft Foods Global Brands Llc | Container for food products |
-
2003
- 2003-09-04 JP JP2003312143A patent/JP2005075458A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8158174B2 (en) | 2002-09-27 | 2012-04-17 | Kraft Foods Global Brands Llc | Container for food products |
| USD597831S1 (en) | 2007-12-04 | 2009-08-11 | Kraft Foods Global Brands Llc | Food package |
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