JPH0640485A - Cheese packaging material - Google Patents
Cheese packaging materialInfo
- Publication number
- JPH0640485A JPH0640485A JP18962292A JP18962292A JPH0640485A JP H0640485 A JPH0640485 A JP H0640485A JP 18962292 A JP18962292 A JP 18962292A JP 18962292 A JP18962292 A JP 18962292A JP H0640485 A JPH0640485 A JP H0640485A
- Authority
- JP
- Japan
- Prior art keywords
- cheese
- plastic film
- packaging material
- block
- weight
- 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
Links
- 235000013351 cheese Nutrition 0.000 title claims abstract description 56
- 239000005022 packaging material Substances 0.000 title claims abstract description 20
- 239000002985 plastic film Substances 0.000 claims abstract description 24
- 229920006255 plastic film Polymers 0.000 claims abstract description 24
- -1 polyethylene Polymers 0.000 claims abstract description 14
- 229920005992 thermoplastic resin Polymers 0.000 claims abstract description 11
- 239000004698 Polyethylene Substances 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 229920000573 polyethylene Polymers 0.000 claims abstract description 9
- 229920002367 Polyisobutene Polymers 0.000 claims abstract description 6
- 239000004743 Polypropylene Substances 0.000 claims abstract description 5
- 239000012188 paraffin wax Substances 0.000 claims abstract description 5
- 229920001155 polypropylene Polymers 0.000 claims abstract description 5
- 239000004200 microcrystalline wax Substances 0.000 claims abstract description 4
- 235000019808 microcrystalline wax Nutrition 0.000 claims abstract description 4
- 229920000728 polyester Polymers 0.000 claims abstract description 4
- 239000001993 wax Substances 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 7
- 229920002261 Corn starch Polymers 0.000 abstract description 4
- 239000008120 corn starch Substances 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 230000001464 adherent effect Effects 0.000 abstract 2
- 229940114937 microcrystalline wax Drugs 0.000 abstract 1
- 230000003449 preventive effect Effects 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 5
- 238000004806 packaging method and process Methods 0.000 description 4
- 229920000298 Cellophane Polymers 0.000 description 3
- 229940099112 cornstarch Drugs 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 240000002129 Malva sylvestris Species 0.000 description 1
- 235000006770 Malva sylvestris Nutrition 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は食品であるブロックチー
ズ（チーズのかたまりをいう）およびその包装に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a food product, block cheese (referred to as a block of cheese) and its packaging.
【０００２】[0002]
【従来の技術】ブロックチーズの包装材料として、ブロ
ックチーズの表面に密着性のある熱可塑性樹脂がコート
されたプラスチックフィルムを用い、ブロックチーズの
表面に外気が触れないように密着させて包装する技術が
知られている。これは販売流通ルートでチーズの変質を
避けその鮮度を保つために有用な優れた技術であって、
製造工程が簡単であり価格を低廉に維持できることから
広く利用されている。2. Description of the Related Art As a packaging material for block cheese, a technology is used in which a plastic film coated with a thermoplastic resin that adheres to the surface of the block cheese is used to adhere to the surface of the block cheese so that it does not come into contact with the outside air. It has been known. This is an excellent technique that is useful for avoiding the deterioration of cheese in the distribution route and keeping its freshness,
It is widely used due to its simple manufacturing process and low cost.
【０００３】一般に、チーズを直接的に包装する材料
は、方向性の無い防湿加工されたセロハン、あるいはプ
ラスチックフィルムにアルミ箔や紙をラミネートして防
水性、防湿性、ガスバリアー性、およびヒートシール性
を与えるために樹脂やワックスをコーティングしたもの
が用いられる。[0003] In general, the material for directly packaging cheese is waterproof, moisture-proof, gas-barrier, and heat-sealed by laminating aluminum foil or paper on non-directional moisture-proof cellophane or plastic film. A resin or wax coating is used to impart the property.
【０００４】熱によって溶融するワックス混合物を防湿
セロハンの片面に塗布したものは、透湿度は８ｇ／ｍ2
／２４時間以下であり、ヒートシール温度は７０℃以下
である。この種のものは常温加圧シールを行うことが可
能であり、さらにチーズとの密着性に優れており、チー
ズを直接に包装するのに充分適している。When a wax mixture that melts by heat is applied to one side of moisture-proof cellophane, the water vapor transmission rate is 8 g / m 2
/ 24 hours or less, and the heat sealing temperature is 70 ° C. or less. This type is capable of performing normal temperature pressure sealing, has excellent adhesion to cheese, and is sufficiently suitable for directly packaging cheese.
【０００５】このような包装材料により包装された２０
０ｇ前後の一般家庭向けの小型チーズは、一度にすべて
を食されることは少なく、そのために必要とされる量が
その都度ナイフによりカットされて用いられている。20 wrapped with such a packaging material
Small cheeses of about 0 g for general households are rarely eaten all at once, and the amount required for that purpose is cut with a knife each time and used.
【０００６】[0006]
【発明が解決しようとする課題】前述した従来のブロッ
クチーズを包装するプラスチックフィルムには方向性が
ないため、必要とする部分だけを剥ぎ取ってナイフによ
りカットしようとすると、保存しておく部分までプラス
チックフィルムが剥ぎ取られることがあり、この場合チ
ーズブロックの表面が直接外気に触れて鮮度を落とす要
因となる。また、プラスチックフィルムにより包装され
たままの状態でカットしようとすると、方向性が合致し
ないためカットされずにブロックチーズに食い込むか、
あるいはカットされても直線的にならずプラスチックフ
ィルムの一部がブロックチーズの表面に残される問題が
ある。Since the conventional plastic film for packaging the block cheese described above has no directionality, if only the necessary portion is stripped off and cut with a knife, the portion to be stored will not be stored. The plastic film may be peeled off, and in this case, the surface of the cheese block directly comes into contact with the outside air and becomes a factor of deteriorating the freshness. Also, if you try to cut it as it is wrapped with a plastic film, it will not be cut because it does not match the directionality, or it will bite into the block cheese,
Alternatively, there is a problem that even if it is cut, it is not straight and a part of the plastic film is left on the surface of the block cheese.
【０００７】本発明はこのような問題を解決するもの
で、ブロックチーズをナイフでカットするときに、カッ
トする部分だけを所定方向に直線的に抵抗なく裂けるよ
うにして、保存する側の表面にはプラスチックフィルム
が密着状態で残され、外気に触れて変質することを避け
ることができるチーズ包装材料を提供することを目的と
する。The present invention solves such a problem. When the block cheese is cut with a knife, only the portion to be cut can be torn linearly in a predetermined direction without resistance so that the surface of the side to be preserved is preserved. Another object of the present invention is to provide a cheese packaging material in which the plastic film is left in a tightly adhered state and can be prevented from being deteriorated by being exposed to the outside air.
【０００８】[0008]
【課題を解決するための手段】本発明は、ブロックチー
ズの表面に密着性のある熱可塑性樹脂が少なくとも片面
にコートされたプラスチックフィルムによるチーズ包装
材料において、前記プラスチックフィルムは、分子配列
にしたがって一方向に裂けやすい性質を有することを特
徴とする。DISCLOSURE OF THE INVENTION The present invention relates to a cheese packaging material comprising a plastic film coated with a thermoplastic resin having adhesiveness on the surface of block cheese on at least one surface thereof, wherein the plastic film is formed according to a molecular arrangement. It is characterized in that it has a property of easily tearing in a direction.
【０００９】前記プラスチックフィルムは、ポリエチレ
ン、ポリプロピレン、ポリエステルの内の一であり、前
記熱可塑性樹脂は、ポリイソブチレン１０ないし４０重
量部、ポリエチレン１０ないし３０重量部、パラフィン
ワックス１０ないし４０重量部、マイクロクリスタリン
ワックス２０ないし５０重量部を含む混合物であること
が望ましい。The plastic film is one of polyethylene, polypropylene and polyester, and the thermoplastic resin is 10 to 40 parts by weight of polyisobutylene, 10 to 30 parts by weight of polyethylene, 10 to 40 parts by weight of paraffin wax and micro. It is preferably a mixture containing 20 to 50 parts by weight of crystallin wax.
【００１０】本発明のもう一つの観点はブロックチーズ
であり、前記のチーズ包装材料により、前記分子配列の
方向が開封方向と一致するように、かつコート面がチー
ズに接するように包装されたことを特徴とする。Another aspect of the present invention is block cheese, which is packaged by the cheese packaging material such that the direction of the molecular arrangement coincides with the opening direction and the coated surface is in contact with the cheese. Is characterized by.
【００１１】[0011]
【作用】ブロックチーズの表面に密着する熱可塑性樹脂
がコートされたプラスチックフィルムを分子配列にした
がって一方向に裂けやすい性質の材料により構成し、ブ
ロックチーズを分子配列の方向が開封方向に一致するよ
うに包装する。[Function] A plastic film coated with a thermoplastic resin that adheres to the surface of block cheese is made of a material that easily tears in one direction according to the molecular arrangement, so that the direction of the molecular arrangement of the block cheese matches the opening direction. To package.
【００１２】これにより、必要とするブロックチーズ上
のプラスチックフィルムを直線的に裂くことができ、保
存する部分にはプラスチックフィルムが密着状態で残さ
れ、外気に触れることによる鮮度の低下を防止すること
ができる。As a result, the required plastic film on the block cheese can be linearly torn, and the plastic film is left in a tightly adhered state in the portion to be preserved, and the deterioration of freshness due to contact with the outside air is prevented. You can
【００１３】[0013]
【実施例】次に、本発明実施例を図面に基づいて説明す
る。図１は本発明実施例におけるチーズ包装材料の構成
を示す拡大断面図、図２は本発明実施例におけるチーズ
包装材料を使用したブロックチーズのパック状態を示す
斜視図である。Embodiments of the present invention will now be described with reference to the drawings. FIG. 1 is an enlarged cross-sectional view showing the configuration of the cheese packaging material in the example of the present invention, and FIG. 2 is a perspective view showing a packed state of block cheese using the cheese packaging material in the example of the present invention.
【００１４】本発明実施例チーズ包装材料は図１に示す
ように、プラスチックフィルム１のブロックチーズに接
する側の表面に密着性のある熱可塑性樹脂により構成さ
れたワックス混合物２がコートされ、さらに、その上に
ブロッキング防止材料としてコーンスターチ３が塗布さ
れる。As shown in FIG. 1, the cheese packaging material of the present invention is coated with a wax mixture 2 composed of an adhesive thermoplastic resin on the surface of the plastic film 1 which is in contact with the block cheese. Cornstarch 3 is applied thereon as an anti-blocking material.
【００１５】プラスチックフィルム１は、分子配列にし
たがって一方向に裂けやすい性質を有し、その材料とし
てはポリエチレン、ポリプロピレン、またはポリエステ
ルのいずれかが使用される。The plastic film 1 has a property that it easily tears in one direction according to the molecular arrangement, and as its material, either polyethylene, polypropylene or polyester is used.
【００１６】また、ワックス混合物２を構成する熱可塑
性樹脂は、ポリイソブチレン１０ないし４０重量部、ポ
リエチレン１０ないし３０重量部、パラフィンワックス
１０ないし４０重量部、マイクロクリスタリンワックス
２０ないし５０重量部を含む。The thermoplastic resin constituting the wax mixture 2 contains 10 to 40 parts by weight of polyisobutylene, 10 to 30 parts by weight of polyethylene, 10 to 40 parts by weight of paraffin wax, and 20 to 50 parts by weight of microcrystalline wax.
【００１７】図２に示すように、このように構成された
チーズ包装材料５によりブロックチーズ４は、分子配列
の方向が開封方向Ａと一致するように包装される。As shown in FIG. 2, the block cheese 4 is packaged by the cheese packaging material 5 thus constructed so that the direction of the molecular arrangement coincides with the opening direction A.
【００１８】具体例として、低分子量（分子量１０，０
００以下）のポリイソブチレン１０重量部、高分子量
（分子量１０，０００以上）のポリイソブチレン３０重
量部、ポリエチレン１０重量部、パラフィンワックス２
５重量部、マイクロクリスタリンワックス２５重量部か
らなる混合物を１３０℃で溶融し、東レ株式会社製のポ
リプロピレンフィルム：トレファンＢＯ・ＹＴ−２２の
片面に、ロールコーターを用いてコーティングしたの
ち、ブロッキング防止材としてコーンスターチを表面に
塗布したものを作成し、直線的な裂け性の実験を行っ
た。同時に、比較例として防湿セロハンの片面に前記の
ワックス混合物を塗布したものの実験を行った。その結
果を〔表１〕に示す。As a specific example, a low molecular weight (molecular weight 10,0
00 or less) polyisobutylene 10 parts by weight, high molecular weight (molecular weight 10,000 or more) polyisobutylene 30 parts by weight, polyethylene 10 parts by weight, paraffin wax 2
A mixture of 5 parts by weight and 25 parts by weight of microcrystalline wax is melted at 130 ° C. and coated on one surface of a polypropylene film made by Toray Co., Ltd .: Trefan BO / YT-22 with a roll coater to prevent blocking. As a material, cornstarch was applied to the surface and a linear tearability experiment was conducted. At the same time, as a comparative example, an experiment was conducted on a moisture-proof cellophane coated with the above wax mixture on one side. The results are shown in [Table 1].
【００１９】さらに、このようにして得られたチーズ包
装材料５に、７０℃に加温したチーズを充填した後、加
熱密封装置を用いて密封して冷蔵庫で冷却し、図２に示
す形状にブロックチーズを包装し、直線的な裂け性およ
び一般特性を前述の比較例材料とともに測定した。その
結果を〔表２〕に示す。Furthermore, the cheese packaging material 5 thus obtained is filled with cheese heated to 70 ° C., then sealed with a heating and sealing device and cooled in a refrigerator to obtain the shape shown in FIG. Block cheese was packaged and linear tearability and general properties were measured along with the comparative material described above. The results are shown in [Table 2].
【００２０】〔表１〕および〔表２〕からわかるよう
に、分子配列方向に一致する開封方向に対してはすぐれ
た直線性を示し、さらに、包装状態においてはすぐれた
防湿性および低温シール性を示した。As can be seen from [Table 1] and [Table 2], it shows excellent linearity in the opening direction which coincides with the molecular arrangement direction, and further has excellent moisture resistance and low temperature sealing property in the packaged state. showed that.
【００２１】[0021]
【表１】 [Table 1]
【００２２】[0022]
【表２】 [Table 2]
【００２３】[0023]
【発明の効果】以上説明したように本発明によれば、ブ
ロックチーズ上の任意の位置のプラスチックフィルムを
直線的に容易に裂くことができ、そのために、保存する
ブロックチーズ上のプラスチックフィルムは密着状態の
まま残され、使いかけのチーズブロックが外気に触れる
ことによって生じる鮮度の低下を防ぐことができる効果
がある。As described above, according to the present invention, the plastic film at any position on the block cheese can be easily torn linearly. Therefore, the plastic film on the block cheese to be preserved can be adhered closely. The cheese block is left as it is, and there is an effect that it is possible to prevent the freshness of the cheese block from being deteriorated due to the contact with the outside air.
【図１】本発明実施例におけるチーズ包装材料の構成を
示す拡大断面図。FIG. 1 is an enlarged cross-sectional view showing the structure of a cheese packaging material according to an embodiment of the present invention.
【図２】本発明実施例におけるチーズ包装材料を使用し
たブロックチーズのパック状態を示す斜視図。FIG. 2 is a perspective view showing a packed state of block cheese using the cheese packaging material according to the embodiment of the present invention.
１ プラスチックフィルム ２ ワックス混合物 ３ コーンスターチ ４ ブロックチーズ ５ チーズ包装材料 ６ シール部 ７ 切り始め部 1 Plastic Film 2 Wax Mixture 3 Corn Starch 4 Block Cheese 5 Cheese Packaging Material 6 Sealing Part 7 Cutting Start Part
───────────────────────────────────────────────────── フロントページの続き (72)発明者 相沢茂 東京都中央区京橋２丁目３番６号 明治乳 業株式会社内 ─────────────────────────────────────────────────── ─── Continued Front Page (72) Inventor Shigeru Aizawa 2-3-6 Kyobashi, Chuo-ku, Tokyo Meiji Dairy Co., Ltd.
Claims (4)
可塑性樹脂が少なくとも片面にコートされたプラスチッ
クフィルムによるチーズ包装材料において、 前記プラスチックフィルムは、分子配列にしたがって一
方向に裂けやすい性質を有することを特徴とするチーズ
包装材料。1. A cheese packaging material comprising a plastic film having at least one surface coated with a thermoplastic resin having adhesiveness to the surface of block cheese, wherein the plastic film has a property of being easily unidirectionally split according to a molecular arrangement. Cheese packaging material characterized by.
レン、ポリプロピレン、ポリエステルの内の一である請
求項１記載のチーズ包装材料。2. The cheese packaging material according to claim 1, wherein the plastic film is one of polyethylene, polypropylene and polyester.
１０ないし４０重量部、ポリエチレン１０ないし３０重
量部、パラフィンワックス１０ないし４０重量部、マイ
クロクリスタリンワックス２０ないし５０重量部を含む
混合物である請求項１記載のチーズ包装材料。3. The thermoplastic resin is a mixture containing 10 to 40 parts by weight of polyisobutylene, 10 to 30 parts by weight of polyethylene, 10 to 40 parts by weight of paraffin wax, and 20 to 50 parts by weight of microcrystalline wax. The cheese packaging material described.
ーズ包装材料により、前記分子配列の方向が開封方向と
一致するように包装されたことを特徴とするブロックチ
ーズ。4. A block cheese, which is packaged by the cheese packaging material according to any one of claims 1 to 3 so that the direction of the molecular arrangement coincides with the opening direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18962292A JPH0640485A (en) | 1992-07-16 | 1992-07-16 | Cheese packaging material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18962292A JPH0640485A (en) | 1992-07-16 | 1992-07-16 | Cheese packaging material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0640485A true JPH0640485A (en) | 1994-02-15 |
Family
ID=16244383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18962292A Pending JPH0640485A (en) | 1992-07-16 | 1992-07-16 | Cheese packaging material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0640485A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003043815A1 (en) * | 2001-11-20 | 2003-05-30 | The United States Of America, As Represented By The Secretary Of Agriculture | Formation of hydrophilic polysaccharide coatings on hydrophobic substrates |
| US7275626B2 (en) | 2002-08-02 | 2007-10-02 | Toto Ltd. | Damper device |
| JP2008001372A (en) * | 2006-06-20 | 2008-01-10 | Dainippon Printing Co Ltd | Easy-to-open packaging bag and packaging body using the same |
| JP2011042089A (en) * | 2009-08-20 | 2011-03-03 | Snow Brand Milk Prod Co Ltd | Packaging film, filled package, and filling and packaging method |
| US20110180447A1 (en) * | 2007-08-15 | 2011-07-28 | Snow Brand Milk Products Co.,Ltd. | Layered product for packaging |
-
1992
- 1992-07-16 JP JP18962292A patent/JPH0640485A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003043815A1 (en) * | 2001-11-20 | 2003-05-30 | The United States Of America, As Represented By The Secretary Of Agriculture | Formation of hydrophilic polysaccharide coatings on hydrophobic substrates |
| US6709763B2 (en) * | 2001-11-20 | 2004-03-23 | The United States Of America As Represented By The Secretary Of Agriculture | Formation of hydrophilic polysaccharide coatings on hydrophobic substrates |
| US7052776B2 (en) | 2001-11-20 | 2006-05-30 | The United States Of Amercia As Represented By The Secretary Of Agriculture | Formation of hydrophilic polysaccharide coatings on hydrophobic substrates |
| US7275626B2 (en) | 2002-08-02 | 2007-10-02 | Toto Ltd. | Damper device |
| JP2008001372A (en) * | 2006-06-20 | 2008-01-10 | Dainippon Printing Co Ltd | Easy-to-open packaging bag and packaging body using the same |
| US20110180447A1 (en) * | 2007-08-15 | 2011-07-28 | Snow Brand Milk Products Co.,Ltd. | Layered product for packaging |
| JP2011042089A (en) * | 2009-08-20 | 2011-03-03 | Snow Brand Milk Prod Co Ltd | Packaging film, filled package, and filling and packaging method |
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