JP2008007185A - Non-tray packaging method, and thermoplastic resin tube connected strip roll for use therefor - Google Patents
Non-tray packaging method, and thermoplastic resin tube connected strip roll for use therefor Download PDFInfo
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- JP2008007185A JP2008007185A JP2006181557A JP2006181557A JP2008007185A JP 2008007185 A JP2008007185 A JP 2008007185A JP 2006181557 A JP2006181557 A JP 2006181557A JP 2006181557 A JP2006181557 A JP 2006181557A JP 2008007185 A JP2008007185 A JP 2008007185A
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- 229920005992 thermoplastic resin Polymers 0.000 title claims abstract description 116
- 238000000034 method Methods 0.000 title claims abstract description 56
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 46
- 239000005022 packaging material Substances 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims description 9
- -1 polyethylene Polymers 0.000 description 12
- 239000010410 layer Substances 0.000 description 7
- 238000001125 extrusion Methods 0.000 description 6
- 235000013305 food Nutrition 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000004698 Polyethylene Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 229920000573 polyethylene Polymers 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- 238000012858 packaging process Methods 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 238000007872 degassing Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 229920001684 low density polyethylene Polymers 0.000 description 2
- 239000004702 low-density polyethylene Substances 0.000 description 2
- 235000013372 meat Nutrition 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920013716 polyethylene resin Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 229920008790 Amorphous Polyethylene terephthalate Polymers 0.000 description 1
- 241000219310 Beta vulgaris subsp. vulgaris Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 1
- 235000021536 Sugar beet Nutrition 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 239000004794 expanded polystyrene Substances 0.000 description 1
- 235000019688 fish Nutrition 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 229920000092 linear low density polyethylene Polymers 0.000 description 1
- 239000004707 linear low-density polyethylene Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 229920001179 medium density polyethylene Polymers 0.000 description 1
- 239000004701 medium-density polyethylene Substances 0.000 description 1
- 235000021485 packed food Nutrition 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000000088 plastic resin Substances 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 235000021067 refined food Nutrition 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 235000014102 seafood Nutrition 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229920006302 stretch film Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
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Abstract
Description
本発明は、ノントレー包装方法及びそれに用いる包装資材に関する。詳しくは、熱可塑性樹脂製チューブを包装資材とするノントレー包装方法及びそれに用いる熱可塑性樹脂製チューブの帯状連結物の巻物に関する。 The present invention relates to a non-tray packaging method and a packaging material used therefor. Specifically, the present invention relates to a non-tray wrapping method using a thermoplastic resin tube as a packaging material and a roll of a strip-like connected product of a thermoplastic resin tube used therefor.
従来、魚類、精肉類、野菜類等の生鮮食料品、或いはこれらの加工品である惣菜類は、発泡ポリスチレン、発泡ポリエチレン、発泡ポリプロピレ等のトレー、ポリスチレン、ポリエチレン、ポリプロピレ、ポリエチレンテレフタレート、紙と樹脂との複合材等からなるシートを加工した非発泡トレーに収納して、それをポリ塩化ビニリデン、ポリ塩化ビニル、ポリエチレン製等のラップフィルムを用いて包装したり、熱収縮性の高いポリエチレン延伸フィルムを用いてシュリンク包装して、大型小売り店などで販売されている。そのため、被包装物を取り出した後、これらのトレー類は廃棄されて居り、貴重な資源を消費している。一部はリサイクルされるものの再生コストが嵩むこととなっている。 Conventionally, fresh foods such as fish, meat, vegetables, etc., or processed foods such as these, trays such as expanded polystyrene, expanded polyethylene, expanded polypropylene, polystyrene, polyethylene, polypropylene, polyethylene terephthalate, paper and resin A sheet made of a composite material and the like is stored in a processed non-foamed tray and wrapped with a wrap film made of polyvinylidene chloride, polyvinyl chloride, polyethylene, etc., or a polyethylene stretch film with high heat shrinkability It is shrink-wrapped using and sold at large retail stores. Therefore, after taking out the package, these trays are discarded and valuable resources are consumed. Although some are recycled, the cost of regeneration is increased.
例えば、特開２００２−０５９９６８号公報（特許文献１参照）には、合成樹脂シートを熱成形して形成される容器と、その容器本体の上方に突出するラップ展張用起立片とを備え、その起立片をヒンジ部を介して容器本体の一側辺に起倒可能に且つ一体に設けた包装用容器が開示される。この発明に係わる包装容器（トレー）は、ラップフィルムが直接、食品等の被包装物に接触することがなく、また、特殊にデザインされたものであるため、店頭等での優れた展示効果のある優れた包装用容器であると解される。しかし、包装容器（トレー）を使用する点では、従来のトレー包装の範疇にあり、包装資材の低減ができるものではない。 For example, Japanese Patent Laid-Open No. 2002-059968 (see Patent Document 1) includes a container formed by thermoforming a synthetic resin sheet, and a lap-stretching standing piece protruding above the container body, Disclosed is a packaging container in which an upright piece can be raised and lowered integrally with one side of a container body via a hinge portion. The packaging container (tray) according to the present invention has a wrap film that does not come into direct contact with the packaged food such as food, and is specially designed so that it has an excellent display effect in stores, etc. It is understood that it is an excellent packaging container. However, the use of packaging containers (trays) is in the category of conventional tray packaging, and packaging materials cannot be reduced.
また、商品の見栄えが良く、生鮮食料品やその加工品の一部だけを取り出して、残分をそのまま容器内に残し保管容器として活用できる利点があるポリスチレンやポリエチレンテレフタレート製透明硬質シートから成形された勘合容器も用いられている。 Also, the product looks good and is molded from a transparent rigid sheet made of polystyrene or polyethylene terephthalate that has the advantage that it can be used as a storage container by taking out only a part of fresh food and processed products and leaving the remainder in the container as it is. A fitting container is also used.
例えば、特開２０００−１６８７６０号公報（特許文献２参照）には、それぞれ特定の厚みを有する非晶ポリエチレンテレフタレート層、延伸ポリエチレンテレフタレート層及びポリビニルアルコール層を含む積層体から型成形した包装用容器（所謂、勘合容器）が開示される。該包装用容器は、特殊な積層構成からなるため、適度の剛性を有するにも拘わらず軽量であり、ガスバリア性にも優れる包装容器である。しかし、被包装物を使用した後は廃棄又はリサイクルすることを要し、従来の勘合容器を用いる包装方法の範疇にあり、包装資材の低減ができるものではない。
上記状況下、包装資材の低減が可能で、且つ、勘合容器のように被包装物を一部だけ使用したときは、残分をそのままの状態で保管できる包装方法及びその方法に使用できる包装資材が広く求められている。
For example, JP 2000-168760 A (see Patent Document 2) discloses a packaging container molded from a laminate including an amorphous polyethylene terephthalate layer, a stretched polyethylene terephthalate layer, and a polyvinyl alcohol layer each having a specific thickness ( A so-called mating container) is disclosed. Since the packaging container has a special laminated structure, the packaging container is lightweight despite having an appropriate rigidity, and is excellent in gas barrier properties. However, it is necessary to dispose or recycle after using the article to be packaged, and it is in the category of the conventional packaging method using the fitting container, and the packaging material cannot be reduced.
Under the above circumstances, the packaging material can be reduced, and when only a part of the packaged item is used like a fitting container, the packaging method that can store the remainder as it is and the packaging material that can be used in that method Is widely demanded.
本発明の目的は、上記問題に鑑み、包装資材の節減が可能で、被包装物の小出し使用が可能なノントレー包装方法及びその方法に用いる包装資材を提供することにある。 In view of the above problems, an object of the present invention is to provide a non-tray packaging method capable of saving packaging materials and using a small amount of an object to be packaged, and a packaging material used for the method.
本発明者らは、鋭意検討した結果、包装資材として、一方の開口部近傍の内側に開閉自在のファスナーが配設された熱可塑性樹脂製チューブを用いることにより、上記課題が解決できることを見出し、本発明に到った。
すなわち、本発明は、熱可塑性樹脂製チューブを包装資材として用いるノントレー包装方法であって、熱可塑性樹脂製チューブ（１）が一方の開口部（２）の近傍の内側に開閉自在のファスナー（３）を有し、ファスナー（３）を閉じた状態で他方の開口部（４）から熱可塑性樹脂製チューブ（１）内に被包装物（５）を収納し、次いで、他方の開口部（４）の近傍（６）を熱シールすることを特徴とするノントレー包装方法である。
As a result of intensive studies, the present inventors have found that the above problem can be solved by using a thermoplastic resin tube in which a fastener that can be freely opened and closed is provided inside the vicinity of one opening as a packaging material. The present invention has been reached.
That is, the present invention is a non-tray packaging method in which a thermoplastic resin tube is used as a packaging material, and the thermoplastic resin tube (1) is a fastener (3 that can be freely opened and closed inside the one opening (2). ) And the article to be packaged (5) is accommodated in the thermoplastic resin tube (1) from the other opening (4) with the fastener (3) closed, and then the other opening (4 ) In the vicinity of (6) is heat-sealed.
本発明の好ましい態様として、被包装物（５）を収納した後、熱可塑性樹脂製チューブ（１）内を脱気又は充気し、次いで、他方の開口部（４）の近傍（６）を熱シールする前記ノントレー包装方法が挙げられる。
本発明に係わる前記ノントレー包装方法には２種の巻物から供給される熱可塑性樹脂製チューブが適用され、第一の方法として、熱可塑性樹脂製チューブ（１）が側部（７）の近傍の連結部（８）において、他の熱可塑性樹脂製チューブ（１’）の側部（９）と連結し、熱可塑性樹脂製チューブ（１、１’）は、これらを含む帯状連結物の巻物（１０）から供給され、他方の開口部（４）の近傍（６）を熱シールした後、連結部（８）で切り離すことを特徴とする前記ノントレー包装方法が挙げられる。そして、連結部（８）で切り離した後、少なくとも被包装物５に関する情報が記載されたラベル（１１）を熱可塑性樹脂製チューブ（１）に貼付する前記ノントレー包装方法が好ましい。
As a preferred embodiment of the present invention, after the article to be packaged (5) is stored, the inside of the thermoplastic resin tube (1) is degassed or filled, and then the vicinity (6) of the other opening (4) is formed. Examples of the non-tray packaging method include heat sealing.
In the non-tray wrapping method according to the present invention, a thermoplastic resin tube supplied from two kinds of scrolls is applied. As a first method, the thermoplastic resin tube (1) is located near the side (7). In a connection part (8), it connects with the side part (9) of another thermoplastic resin tube (1 '), and a thermoplastic resin tube (1, 1') is a roll of the strip-like connection thing containing these ( 10), the non-tray wrapping method is characterized in that the vicinity (6) of the other opening (4) is heat-sealed and then cut off at the connecting portion (8). And after separating | separating by a connection part (8), the said non-tray packaging method which affixes the label (11) with which the information regarding the to-be-packaged goods 5 was described to the thermoplastic resin tube (1) is preferable.
また、第二の方法として、熱可塑性樹脂製チューブ（１）が、ファスナー（３）の近傍において、他の熱可塑性樹脂製チューブ（１’）の他の開口部（４’）に相当する位置で連結され、熱可塑性樹脂製チューブ（１、１’）は、これらを含む帯状連結物の巻物（１２）から供給され、他方の開口部（４）の近傍（６）を熱シールした後、熱可塑性樹脂製チューブ（１’）の他方の開口部（４’）に相当する位置で切り離し、熱可塑性樹脂製チューブ（１）の開口部（２）及び熱可塑性樹脂製チューブ（１’）の開口部（４’）を形成する前記ノントレー包装方法が挙げられる。そして、他方の開口部（４’）に相当する位置で切り離した後、少なくとも被包装物（５）に関する情報が記載されたラベル（１１）を熱可塑性樹脂製チューブ（１）に貼付する前記ノントレー包装方法が好ましい。 As a second method, the position where the thermoplastic resin tube (1) corresponds to the other opening (4 ′) of the other thermoplastic resin tube (1 ′) in the vicinity of the fastener (3). And the thermoplastic resin tube (1, 1 ′) is supplied from the scroll (12) of the strip-like connected article including these, and the vicinity (6) of the other opening (4) is heat-sealed, Cut off at a position corresponding to the other opening (4 ′) of the thermoplastic resin tube (1 ′), and the opening (2) of the thermoplastic resin tube (1) and the thermoplastic resin tube (1 ′). The said non-tray packaging method which forms an opening part (4 ') is mentioned. Then, after separating at the position corresponding to the other opening (4 ′), at least the label (11) on which information on the article to be packaged (5) is written is pasted on the thermoplastic resin tube (1). A packaging method is preferred.
本発明の他の発明は、前記ノントレー包装方法に用いる包装資材用熱可塑性樹脂製チューブ（１、１’）を含む帯状連結物の巻物（１０又は１２）である。 Another invention of the present invention is a strip-like roll (10 or 12) including a thermoplastic resin tube (1, 1 ') for packaging material used in the non-tray packaging method.
本発明のノントレー包装方法は、一方の開口部の近傍の内側に開閉自在のファスナーが配設された熱可塑性樹脂製チューブを用い、包装用トレーを使用しない。そのため、包装資材の節減が可能である。また、一方の開口部の近傍の内側に配設されたファスナーが開閉自在であるので、ファスナーを開いて被包装物を必要な量だけ小出した後、ファスナーを閉じて冷蔵庫などで保管することができる。更に、資源回収に当たっても包装資材の廃棄量を減少することができる。 The non-tray packaging method of the present invention uses a thermoplastic resin tube in which an openable and closable fastener is disposed inside the vicinity of one opening, and does not use a packaging tray. Therefore, it is possible to save packaging materials. In addition, since the fastener disposed inside the vicinity of one opening can be freely opened and closed, after opening the fastener and dispensing the required amount of packaging, close the fastener and store it in a refrigerator or the like. Can do. Furthermore, the amount of packaging material discarded can be reduced even when collecting resources.
以下、本発明について詳細に説明する。本発明のノントレー包装方法は、包装資材として熱可塑性樹脂製チューブを用いる。熱可塑性樹脂製チューブを形成する熱可塑性樹脂としては、ポリエチレン、ポリプロピレン等のポリオレフィン系樹脂が挙げられる。これらの内、ポリエチレン系樹脂が好ましい。ポリエチレン系樹脂としては、線形低密度ポリエチレン、分岐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、エチレンと炭素数３〜１２程度のα−オレフィンとの共重合体等が挙げられる。これらの内、分岐低密度ポリエチレンが好ましい。 Hereinafter, the present invention will be described in detail. The non-tray packaging method of the present invention uses a thermoplastic resin tube as a packaging material. Examples of the thermoplastic resin forming the thermoplastic resin tube include polyolefin resins such as polyethylene and polypropylene. Of these, polyethylene resins are preferred. Examples of the polyethylene resin include linear low density polyethylene, branched low density polyethylene, medium density polyethylene, high density polyethylene, and a copolymer of ethylene and an α-olefin having about 3 to 12 carbon atoms. Of these, branched low density polyethylene is preferred.
熱可塑性樹脂製チューブのガスバリアー性を強化したいときは、ガスバリアー性を有する層を内層とし、内層の片面又は両面に上記熱可塑性樹脂層を積層した積層チューブを使用することが好ましい。ガスバリアー性を有する樹脂としては、ナイロン等のポリアミド、エチレン・ビニルアルコール共重合体、ポリビニルアルコール、ポリアクリロニトリル等が挙げられる。これらの内、ナイロン等のポリアミドが好ましい。単層又は積層体からなる熱可塑性樹脂製チューブを製造する方法は公知の方法が適用できる。 When it is desired to enhance the gas barrier property of the thermoplastic resin tube, it is preferable to use a laminated tube in which the layer having the gas barrier property is an inner layer and the thermoplastic resin layer is laminated on one or both surfaces of the inner layer. Examples of the resin having gas barrier properties include polyamide such as nylon, ethylene / vinyl alcohol copolymer, polyvinyl alcohol, polyacrylonitrile and the like. Of these, polyamides such as nylon are preferred. A known method can be applied to the method for producing a thermoplastic resin tube made of a single layer or a laminate.
以下、図面を示して、本発明に係わるノントレー包装方法の実施例について説明する。図１は、本発明に用いる熱可塑性樹脂製チューブの一例を示す平面模式図である。熱可塑性樹脂製チューブ（１）は、長さ方向の両端部にそれぞれ開口部（２、４）を有し、幅方向の端には側部（７、７’）を有する。一方の開口部（２）の近傍の内側には、開閉自在のファスナー（３）が配設される。熱可塑性樹脂製チューブ（１）を押しつぶして扁平状にした状態では、開口部（２、４）はそれぞれ２枚のフィルムを重ね合わせた状態となるので、ファスナー（３）は、これら２枚のフィルムが相対して接する内面に配設される。図１に示したように、ファスナー（３）は、熱可塑性樹脂製チューブ（１）の一方の側部（７）から他方の側部（７’）に至る全内面に帯状に配設されることが好ましい。 Hereinafter, embodiments of the non-tray packaging method according to the present invention will be described with reference to the drawings. FIG. 1 is a schematic plan view showing an example of a thermoplastic resin tube used in the present invention. The thermoplastic resin tube (1) has openings (2, 4) at both ends in the length direction and side portions (7, 7 ') at the ends in the width direction. An openable and closable fastener (3) is disposed inside the vicinity of one opening (2). In a state where the thermoplastic resin tube (1) is crushed and flattened, the openings (2, 4) are in a state where two films are overlapped with each other, so that the fastener (3) The film is disposed on the inner surface with which the film is in contact. As shown in FIG. 1, the fastener (3) is disposed in a strip shape on the entire inner surface from one side (7) to the other side (7 ') of the thermoplastic resin tube (1). It is preferable.
図２は、熱可塑性樹脂製チューブ（１）の内側にファスナーを形成する凸状突起（３Ａ）と凹状溝（３Ｂ）が配設された状態を示す断面模式図である。図３は、熱可塑性樹脂製チューブ（１）の一方の開口部（２）近傍の内側にファスナーを形成する凸状突起（３Ａ）と凹状溝（３Ｂ）が配設された状態を示す断面模式図である。すなわち、図２は、熱可塑性樹脂製チューブ（１）に開口部（２、４）を形成する前の状態を示し、図３は、図２におけるＤ、Ｃ部を切り離して、開口部（２、４）を形成した状態を示す。図２における熱可塑性樹脂製チューブ（１）のＣ、Ｄ部をそれぞれ切断することにより、図３に示した熱可塑性樹脂製チューブ（１）の開口部（２、４）がそれぞれ形成される。 FIG. 2 is a schematic cross-sectional view showing a state in which convex protrusions (3A) and concave grooves (3B) forming a fastener are disposed inside the thermoplastic resin tube (1). FIG. 3 is a schematic cross-sectional view showing a state in which a convex protrusion (3A) and a concave groove (3B) for forming a fastener are disposed inside the vicinity of one opening (2) of the thermoplastic resin tube (1). FIG. That is, FIG. 2 shows a state before the openings (2, 4) are formed in the thermoplastic resin tube (1), and FIG. 3 shows the opening (2) by separating the portions D and C in FIG. 4) is formed. By cutting portions C and D of the thermoplastic resin tube (1) in FIG. 2, the openings (2, 4) of the thermoplastic resin tube (1) shown in FIG. 3 are formed.
ファスナー（３）は、凸状突起（３Ａ）と凹状溝（３Ｂ）とからなり、凸状突起（３Ａ）を凹状溝（３Ｂ）に嵌入することにより閉止され、凸状突起（３Ａ）を凹状溝（３Ｂ）から外すことにより開かれ、開閉自在である。凸状突起（３Ａ）及び凹状溝（３Ｂ）の形状には特に制限はなく、公知のものが使用できる。ファスナー（３）を強固に閉じることを考慮すると、例えば、凹状溝（３Ｂ）の内部は円形ドーム状の凹状溝であり、凸状突起（３Ａ）の先端部は前記円形ドーム状の凹状溝に嵌入して固定可能な球形に近い形状であることが好ましい。 The fastener (3) is composed of a convex protrusion (3A) and a concave groove (3B). The fastener (3A) is closed by fitting the convex protrusion (3A) into the concave groove (3B), and the convex protrusion (3A) is concave. It can be opened and opened and closed freely by removing it from the groove (3B). There is no restriction | limiting in particular in the shape of a convex-shaped protrusion (3A) and a concave-shaped groove | channel (3B), A well-known thing can be used. Considering that the fastener (3) is firmly closed, for example, the inside of the concave groove (3B) is a circular dome-shaped concave groove, and the tip of the convex protrusion (3A) is formed in the circular dome-shaped concave groove. A shape close to a spherical shape that can be fitted and fixed is preferable.
図３に示したように、熱可塑性樹脂製チューブ（１）の一方の開口部（２）の先端からファスナー（３）の凸状突起（３Ａ）又は凹状溝（３Ｂ）に至るチューブ内側表面には、開口部（２）を開く操作を容易にするために、例えば、エンボス加工等を施して、内側表面に凹凸模様２Ａ、２Ｂ等を形成しておくことが好ましい。 As shown in FIG. 3, on the inner surface of the tube extending from the tip of one opening (2) of the thermoplastic resin tube (1) to the convex protrusion (3A) or the concave groove (3B) of the fastener (3). In order to facilitate the operation of opening the opening (2), for example, embossing or the like is preferably performed to form the uneven patterns 2A, 2B, etc. on the inner surface.
熱可塑性樹脂製チューブ（１）の寸法は特に制限されない。チューブを押しつぶして平板状にしたときの寸法としては、チューブの長さ方向（図１の開口部２、４間距離）が１０〜５０ｃｍ程度、チューブの幅方向（図１の側部７、７’間距離）が５〜３０ｃｍ程度、チューブの肉厚みが２０〜５０μｍ程度であることが好ましい。 The dimensions of the thermoplastic resin tube (1) are not particularly limited. As the dimensions when the tube is crushed into a flat plate shape, the length direction of the tube (the distance between the openings 2 and 4 in FIG. 1) is about 10 to 50 cm, and the width direction of the tube (side portions 7 and 7 in FIG. 1). It is preferable that the “distance” is about 5 to 30 cm and the tube thickness is about 20 to 50 μm.
図４は、本発明に係わるノントレー包装方法の一例を示す平面模式図である。図４に示したように、熱可塑性樹脂製チューブ（１及び１’）は、熱可塑性樹脂製チューブ（１）の側部（７）、及び、熱可塑性樹脂製チューブ（１’）の側部（９）の中間の連結部（８）において、互いに幅方法に連結していることが好ましい。熱可塑性樹脂製チューブ（１’’）等の他の熱可塑性樹脂製チューブも同様にして、連結部（８’）等において、次々に他の熱可塑性樹脂製チューブと連結して、帯状連結物の巻物（１０）を形成することが好ましい。熱可塑性樹脂製チューブ（１）等を包装資材として使用するときには、帯状連結物の巻物（１０）から順次繰り出して用いことができる。 FIG. 4 is a schematic plan view showing an example of the non-tray packaging method according to the present invention. As shown in FIG. 4, the thermoplastic resin tubes (1 and 1 ′) include the side portion (7) of the thermoplastic resin tube (1) and the side portion of the thermoplastic resin tube (1 ′). In the intermediate connection part (8) of (9), it is preferable that they are connected to each other in the width method. In the same manner, other thermoplastic resin tubes such as the thermoplastic resin tube (1 ″) are connected to other thermoplastic resin tubes one after another at the connecting portion (8 ′), and the like. It is preferable to form a scroll (10). When the thermoplastic resin tube (1) or the like is used as a packaging material, the tube can be successively drawn out from the strip (10).
熱可塑性樹脂製チューブ（１）を用いて被包装物（５）を包装するときは、先ず、熱可塑性樹脂製チューブ（１）の一方の開口部（２）の近傍の内側に配設されたファスナー（３）を閉じる。その状態で、他方の開口部（４）から熱可塑性樹脂製チューブ（１）内に被包装物（５）を収納する。次いで、他方の開口部（４）の近傍（６）をシールする。シールする方法としては、熱シールが好ましい。 When packaging the article to be packaged (5) using the thermoplastic resin tube (1), first, the thermoplastic resin tube (1) was disposed inside the vicinity of one opening (2) of the thermoplastic resin tube (1). Close the fastener (3). In this state, the article (5) to be packaged is accommodated in the thermoplastic resin tube (1) from the other opening (4). Next, the vicinity (6) of the other opening (4) is sealed. As a sealing method, heat sealing is preferable.
被包装物（５）が酸素などによって変質し易い場合は、熱可塑性樹脂製チューブ（１）の内部を脱気し、空気などを除去した後にシールすることが好ましい。熱可塑性樹脂製チューブ（１）内には、被包装物（５）の他に、脱湿剤、酸素吸収剤などを挿入してもよい。また、被包装物（５）が脆く破損し易い性状を有する場合は、被包装物（５）ができるだけ熱可塑性樹脂製チューブ（１）の内壁などに触れることを防止するために、熱可塑性樹脂製チューブ（１）内に空気又は不活性気体などを吹き込んで充気し、膨らませてもよい。 When the packaged object (5) is easily deteriorated by oxygen or the like, it is preferable to seal after degassing the inside of the thermoplastic resin tube (1) and removing the air. In addition to the article to be packaged (5), a dehumidifying agent, an oxygen absorbent or the like may be inserted into the thermoplastic resin tube (1). Further, when the packaged object (5) is brittle and easily damaged, the thermoplastic resin is used to prevent the packaged object (5) from touching the inner wall of the thermoplastic resin tube (1) as much as possible. The tube (1) may be filled with air or an inert gas to be inflated.
熱可塑性樹脂製チューブ（１）内に、被包装物（５）を収納填し、更に他方の開口部（４）の近傍（６）をシールした後、熱可塑性樹脂製チューブ（１）は、連結部（８）において他の熱可塑性樹脂製チューブ（１’）と切り離されて、熱可塑性樹脂製チューブ（１）は被包装物（５）が収納された包装体となる。 In the thermoplastic resin tube (1), the article to be packaged (5) is accommodated and the vicinity (6) of the other opening (4) is sealed, and then the thermoplastic resin tube (1) is The thermoplastic resin tube (1) is separated from the other thermoplastic resin tube (1 ′) at the connecting portion (8), and becomes a package body in which the article to be packaged (5) is stored.
通常、被包装物（５）が収納された熱可塑性樹脂製チューブ（１）（包装体）には、被包装物（５）に関する情報が表示される。情報としては、被包装物（５）の製造者名、販売者名、製造日、正味期限、使用期限、重量又は容量、価格等が挙げられる。これらの情報は、ラベル（１１）などに印刷などして熱可塑性樹脂製チューブ（１）に貼付して表示することが好ましい。これらの情報は、予め熱可塑性樹脂製チューブ（１）の表面に印刷しておいてもよい。 Normally, information relating to the package (5) is displayed on the thermoplastic resin tube (1) (packaging body) in which the package (5) is stored. Information includes the manufacturer name, seller name, date of manufacture, net expiration date, expiration date, weight or capacity, price, etc. of the packaged item (5). These pieces of information are preferably displayed by being printed on a label (11) or the like and affixed to the thermoplastic resin tube (1). These pieces of information may be printed on the surface of the thermoplastic resin tube (1) in advance.
図４に示したノントレー包装方法に用いる熱可塑性樹脂製チューブ（１、１’）は、円形ダイが装着されたインフレーション式成形機を用いて製造された円筒状フィルム、又は、Ｔダイが装着された押出成型機を用いて製造されたフィルム等から製造することができる。インフレーション式成形機を用いて製造された円筒状フィルムを用いるときは、円筒状フィルムを製造する際に、円筒状フィルムの内側にファスナーを構成する凸状突起（３Ａ）と凹状溝（３Ｂ）を同時に形成することが好ましい（図２参照）。次いで、（ｉ）図２におけるＣ、Ｄ部をそれぞれ切り離して、図３に示した開口部（２、４）を形成する。更に、（ｉｉ）側部（７、７’）を熱シールすることにより、熱可塑性樹脂製チューブ（１）が形成される。同様のプロセスを繰り返すことにより、熱可塑性樹脂製チューブ（１’、１’’）等を順次製造することができる。熱可塑性樹脂製チューブ（１、１’、１’’）等は、連結部（８、８’）等においてそれぞれ帯状に連結する。これを巻芯にロール状に巻くことにより、帯状連結物の巻物（１０）を形成することができる。 The thermoplastic resin tube (1, 1 ′) used in the non-tray packaging method shown in FIG. 4 is equipped with a cylindrical film manufactured using an inflation molding machine with a circular die or a T die. It can be produced from a film produced using an extrusion molding machine. When using a cylindrical film manufactured using an inflation-type molding machine, when manufacturing the cylindrical film, the convex protrusion (3A) and the concave groove (3B) constituting the fastener are formed inside the cylindrical film. It is preferable to form them simultaneously (see FIG. 2). Next, (i) the portions C and D in FIG. 2 are cut off to form the openings (2, 4) shown in FIG. Furthermore, (ii) the thermoplastic resin tube (1) is formed by heat-sealing the side portions (7, 7 '). By repeating the same process, the thermoplastic resin tubes (1 ', 1' ') and the like can be sequentially manufactured. The thermoplastic resin tubes (1, 1 ', 1 ") and the like are connected in a band shape at the connecting portions (8, 8') and the like. By winding this around the core in a roll shape, a scroll (10) of a strip-like connected product can be formed.
Ｔダイが装着された押出成型機を用いて製造されたフィルムを使用するときは、先ず、幅が等しいフィルム２枚を製造する。それぞれのフィルムを製造する際に、図３に示したように、一方のフィルム表面に凸状突起（３Ａ）を形成し、他方のフィルム表面に凹状溝（３Ｂ）を形成する。次いで、凸状突起（３Ａ）と凹状溝（３Ｂ）が相対するように２枚のフィルムを重ね合わせる。次いで、上記（ｉｉ）以降の操作を順次実施することにより、熱可塑性樹脂製チューブ（１）が形成され、帯状連結物の巻物（１０）を形成することができる。いずれの製造方法においても、強度等の包装資材に適する特性を考慮すると、少なくとも１軸方向に延伸された延伸フィルムを用いることが好ましい。 When using a film manufactured using an extrusion molding machine equipped with a T-die, first, two films having the same width are manufactured. When each film is manufactured, as shown in FIG. 3, convex protrusions (3A) are formed on one film surface, and concave grooves (3B) are formed on the other film surface. Next, the two films are overlaid so that the convex protrusion (3A) and the concave groove (3B) face each other. Subsequently, the thermoplastic resin tube (1) is formed by sequentially performing the operations after the above (ii), and the scroll (10) of the strip-like connected product can be formed. In any of the manufacturing methods, it is preferable to use a stretched film stretched in at least a uniaxial direction in consideration of characteristics suitable for packaging materials such as strength.
図５は、本発明に係わるノントレー包装方法の他の一例を示す平面模式図である。この方法に用いる熱可塑性樹脂製チューブ（１）は、図５に示したように、長さ方向の一方の端部に開口部（４）を有し、他の端部近傍の内側にファスナー（３）が配設され、幅方向の両端には側部（７、７’）を有する。熱可塑性樹脂製チューブ（１）は、ファスナー（３）の近傍において、他の熱可塑性樹脂製チューブ（１’）の一方の開口部（４’）に相当する位置で長さ方向に連結していることが好ましい。熱可塑性樹脂製チューブ（１’’）等の他の熱可塑性樹脂製チューブも同様にして互いに連結し、帯状連結物の巻物（１２）を形成することが好ましい。熱可塑性樹脂製チューブ（１）等を包装資材として使用するときには、帯状連結物の巻物（１２）から順次繰り出して用いことができる。 FIG. 5 is a schematic plan view showing another example of the non-tray packaging method according to the present invention. As shown in FIG. 5, the thermoplastic resin tube (1) used in this method has an opening (4) at one end in the length direction, and a fastener ( 3), and has side portions (7, 7 ') at both ends in the width direction. The thermoplastic resin tube (1) is connected in the longitudinal direction at a position corresponding to one opening (4 ′) of the other thermoplastic resin tube (1 ′) in the vicinity of the fastener (3). Preferably it is. It is preferable that other thermoplastic resin tubes such as the thermoplastic resin tube (1 ″) are connected to each other in the same manner to form a roll (12) of a strip-like connection product. When the thermoplastic resin tube (1) or the like is used as a packaging material, the tube can be successively drawn out from the scroll (12) of the strip-like connected product.
図５に示した方法により、熱可塑性樹脂製チューブ（１）を用いて被包装物（５）を包装するときは、先ず、熱可塑性樹脂製チューブ（１）の一方の開口部（２）に相当する位置の近傍の内側に配設されたファスナー（３）を閉じる。その状態で、開口部（４）から熱可塑性樹脂製チューブ（１）内に被包装物（５）を収納する。次いで、開口部（４）の近傍（６）をシールする。シールする方法としては、熱シールが好ましい。 When packaging the article to be packaged (5) using the thermoplastic resin tube (1) by the method shown in FIG. 5, first, in one opening (2) of the thermoplastic resin tube (1). The fastener (3) disposed inside the vicinity of the corresponding position is closed. In this state, the article to be packaged (5) is accommodated in the thermoplastic resin tube (1) from the opening (4). Next, the vicinity (6) of the opening (4) is sealed. As a sealing method, heat sealing is preferable.
被包装物（５）が酸素などによって変質し易い場合は、脱気した後にシールすることが好ましい。熱可塑性樹脂製チューブ（１）内には、被包装物（５）の他に、脱湿剤、酸素吸収剤などを挿入してもよい。また、被包装物（５）が脆く破損し易い性状を有する場合は、被包装物（５）ができるだけ熱可塑性樹脂製チューブ（１）の内壁などに触れることを防止するために、熱可塑性樹脂製チューブ（１）内に空気又は不活性気体などを吹き込んで充気してもよい。 When the packaged object (5) is easily deteriorated by oxygen or the like, it is preferable to seal after degassing. In addition to the article to be packaged (5), a dehumidifying agent, an oxygen absorbent or the like may be inserted into the thermoplastic resin tube (1). Further, when the packaged object (5) is brittle and easily damaged, the thermoplastic resin is used to prevent the packaged object (5) from touching the inner wall of the thermoplastic resin tube (1) as much as possible. The tube (1) may be filled with air or an inert gas.
熱可塑性樹脂製チューブ（１）内に、被包装物（５）を収納し、更に開口部（４）の近傍（６）をシールした後、熱可塑性樹脂製チューブ（１）は、他の熱可塑性樹脂製チューブ（１’）の開口部（４’）に相当する位置で切り離されて、熱可塑性樹脂製チューブ（１）の開口部（２）と他の熱可塑性樹脂製チューブ（１’）の開口部（４’）が同時に形成される。熱可塑性樹脂製チューブ（１）は、被包装物（５）が収納された包装体となる。 The article to be packaged (5) is accommodated in the thermoplastic resin tube (1) and the vicinity (6) of the opening (4) is sealed, and then the thermoplastic resin tube (1) It is cut off at a position corresponding to the opening (4 ′) of the plastic resin tube (1 ′), and the opening (2) of the thermoplastic resin tube (1) and another thermoplastic resin tube (1 ′). Are simultaneously formed. The tube (1) made of thermoplastic resin becomes a package in which the article (5) to be packaged is stored.
通常、被包装物（５）が収納された熱可塑性樹脂製チューブ（１）（包装体）には、被包装物５に関する情報が表示される。情報としては、被包装物（５）の製造者名、販売者名、製造日、正味期限、使用期限、重量又は容量、価格等が挙げられる。これらの情報は、ラベル（１１）などに印刷などして熱可塑性樹脂製チューブ（１）に貼付して表示することが好ましい。 Usually, the information regarding the package 5 is displayed on the thermoplastic resin tube (1) (package) in which the package (5) is stored. Information includes the manufacturer name, seller name, date of manufacture, net expiration date, expiration date, weight or capacity, price, etc. of the packaged item (5). These pieces of information are preferably displayed by being printed on a label (11) or the like and affixed to the thermoplastic resin tube (1).
図５に示したノントレー包装方法に用いる熱可塑性樹脂製チューブ（１、１’）は、公知の方法で製造された熱可塑性樹脂フィルムから製造される。すなわち、円形ダイが装着されたインフレーション式成形機、Ｔダイが装着された押出式成形機等を用いて製造されたフィルムが使用される。Ｔダイが装着された押出式成形機等を用いて製造されたフィルムを使用する一例について説明する。 The thermoplastic resin tube (1, 1 ') used in the non-tray packaging method shown in FIG. 5 is manufactured from a thermoplastic resin film manufactured by a known method. That is, a film manufactured using an inflation-type molding machine equipped with a circular die, an extrusion-type molding machine equipped with a T-die, or the like is used. An example of using a film manufactured using an extrusion molding machine equipped with a T-die will be described.
予め、図３に３Ａ又は３Ｂとして示した凸状突起と凹状溝を製造し、所定の長さに切断し、凸状突起を凹状溝に嵌入してファスナー（３）が閉じた状態とする。一方、Ｔダイが装着された押出式成形機等を２基用いて、上記熱可塑性樹脂をそれぞれフィルム成形し、２枚の帯状フィルムの両端部を揃えて上下位置の関係を維持する。閉じた状態のファスナー３を両フィルムの間に差し込み、熱融着する。その際、巻取機の手前において、一方の押出式成形機で成形されたフィルムの所定位置に図３に３Ａとして示した凸状突起を、他方の押出式成形機で成形されたフィルムの所定位置に図３に３Ｂとして示した凹状溝を、それぞれフィルムの流れ方向と直角をなす方向に熱融着する。次いで、両フィルムの幅方向の両端部を熱融着して、図５に示した側部（７、７’）を形成する。ファスナー３を取り付け、更に側部（７、７’）を形成した後、巻芯にロール状に巻き取り帯状連結物の巻物１２を形成する。
上述の通り、本発明に係わるノントレー包装方法は図４及び図５に示した方法により実施される。好ましくは図４に示した方法である。しかし、いずれの方法においても、熱可塑性樹脂製チューブ（１、１’）を切り離した後、被包装物（５）を収納することもできる。
The convex protrusion and the concave groove shown as 3A or 3B in FIG. 3 are manufactured in advance, cut into a predetermined length, the convex protrusion is fitted into the concave groove, and the fastener (3) is closed. On the other hand, the above thermoplastic resins are each formed into a film by using two extrusion molding machines or the like equipped with T dies, and both ends of the two strip films are aligned to maintain the vertical position relationship. The closed fastener 3 is inserted between both films and heat-sealed. At that time, in front of the winder, the protrusions shown as 3A in FIG. 3 are provided at predetermined positions of the film formed by one extrusion molding machine, and the predetermined film of the film formed by the other extrusion molding machine is provided. In the position, the concave grooves shown as 3B in FIG. 3 are heat-sealed in directions perpendicular to the film flow direction. Next, both end portions in the width direction of both films are heat-sealed to form the side portions (7, 7 ′) shown in FIG. After the fastener 3 is attached and the side portions (7, 7 ') are further formed, a roll 12 of a winding band-like connected product is formed in a roll shape on the winding core.
As described above, the non-tray packaging method according to the present invention is performed by the method shown in FIGS. The method shown in FIG. 4 is preferable. However, in any method, the article to be packaged (5) can be stored after the thermoplastic resin tube (1, 1 ') is cut off.
本発明は、帯状連結物の巻物から熱可塑性樹脂製チューブを繰り出し包装工程へ供給する包装資材搬送工程、被包装物を包装工程へ供給する被包装物搬送工程、熱可塑性樹脂製チューブ内に被包装物を収納して包装体を形成する包装工程、包装体の計量、表示、梱包などを実施する後処置工程などを含む全ての工程を自動的に実施することが可能である。
本発明に係わるノントレー包装方法が適用できる被包装物は、特に制限されない。例えば、野菜類、果物類、魚介類、肉類、これらの加工品である惣菜類、米等の穀物類などの食品、又は日用品などが好ましく例示される。
The present invention includes a packaging material conveying step in which a thermoplastic resin tube is fed out from a roll of strip-like connected articles to a packaging process, a packaged material conveying process in which a packaged article is supplied to the packaging process, and a thermoplastic resin tube in a thermoplastic resin tube. It is possible to automatically perform all processes including a packaging process for storing a package to form a package, a post-treatment process for measuring, displaying, and packaging the package.
The article to be packaged to which the non-tray packaging method according to the present invention can be applied is not particularly limited. For example, foods such as vegetables, fruits, seafood, meat, prepared foods such as sugar beet, cereals such as rice, or daily necessities are preferably exemplified.
日用品製造所又は販売店、食品加工所及び大型小売店等における製品、商品等の包装方法及び包装資材として適用できる。 It can be applied as a packaging method and packaging material for products, products, etc. in daily goods manufacturing or sales shops, food processing shops and large retail stores.
１、１’、１’’：熱可塑性樹脂製チューブ
２：開口部
３：ファスナー
３Ａ：凸状突起
３Ｂ：凹状溝
４、４’：開口部
５：被包装物
６：開口部の近傍
７、７’：側部
８、８’：連結部
９：側部
１０：帯状連結物の巻物
１１：ラベル
１２：帯状連結物の巻物
Ｃ、Ｄ：熱可塑性樹脂製チューブの一部
1, 1 ′, 1 ″: Thermoplastic resin tube 2: Opening portion 3: Fastener 3A: Convex protrusion 3B: Concave groove 4, 4 ′: Opening portion 5: Packaged object 6: Near the opening portion 7, 7 ': Side part 8, 8': Connection part 9: Side part 10: Scroll of strip-like connection 11: Label 12: Scroll of band-like connection C, D: Part of thermoplastic resin tube
Claims (8)
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| JP2006181557A JP5209190B2 (en) | 2006-06-30 | 2006-06-30 | Non-tray wrapping method and rolls of strips of thermoplastic resin tubes used therefor |
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| JP2006181557A JP5209190B2 (en) | 2006-06-30 | 2006-06-30 | Non-tray wrapping method and rolls of strips of thermoplastic resin tubes used therefor |
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| JP2008007185A true JP2008007185A (en) | 2008-01-17 |
| JP5209190B2 JP5209190B2 (en) | 2013-06-12 |
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| JP5102903B1 (en) * | 2012-01-16 | 2012-12-19 | 株式会社アサヒパック | Seal-type zippered bag mouth structure and continuous bag body provided with the same |
| JP2015151160A (en) * | 2014-02-14 | 2015-08-24 | 株式会社山櫻 | Bag and roll body winding the bag in roll state |
| CN115108174A (en) * | 2022-06-23 | 2022-09-27 | 浙江强盟复合材料有限公司 | High-sealing-property food preservative film and preparation method thereof |
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| CN115108174B (en) * | 2022-06-23 | 2023-10-13 | 浙江强盟复合材料有限公司 | High-tightness food preservative film and preparation method thereof |
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