JPH046909Y2 - - Google Patents
Info
- Publication number
- JPH046909Y2 JPH046909Y2 JP7234283U JP7234283U JPH046909Y2 JP H046909 Y2 JPH046909 Y2 JP H046909Y2 JP 7234283 U JP7234283 U JP 7234283U JP 7234283 U JP7234283 U JP 7234283U JP H046909 Y2 JPH046909 Y2 JP H046909Y2
- Authority
- JP
- Japan
- Prior art keywords
- paper
- polyester film
- polyethylene
- container
- lid material
- 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.)
- Expired
Links
Landscapes
- Packages (AREA)
- Closures For Containers (AREA)
- Wrappers (AREA)
- Laminated Bodies (AREA)
Description
【考案の詳細な説明】 この考案は、使い捨て容器の蓋材に関する。[Detailed explanation of the idea] This invention relates to a lid material for a disposable container.
味噌、ヨーグルト、インスタントラーメン等の
食品を収納した使い捨て容器は、ポリエチレン、
ポリプロピレン、ポリスチレン或はこれら樹脂の
発泡体から形成されているが、比較的口径が大き
い為、ヒートシールされた蓋を途中まで開封する
と巻き上つたり、変形して開口部に大きな間隙が
でき、再度開口部を閉じておくのが困難なことが
多く、また蓋材の層間剥離や破断なども生じ、開
封性も良好とは云えなかつた。 Disposable containers containing foods such as miso, yogurt, and instant noodles are made of polyethylene,
It is made of polypropylene, polystyrene, or a foam made of these resins, but because it has a relatively large diameter, if you open the heat-sealed lid halfway, it will roll up or deform, leaving a large gap at the opening. It was often difficult to close the opening again, and delamination or breakage of the lid material also occurred, and the unsealability could not be said to be good.
この考案の目的は、上記の問題点を解消し、た
わみ性が少く開封性も良好な蓋材を提供すること
にある。 The purpose of this invention is to solve the above-mentioned problems and provide a lid material that has less flexibility and is easy to open.
即ち、この考案の蓋材によれば、紙もしくは紙
とアルミニウム箔との積層体の両面にポリエステ
ルフイルムを積層し、このポリエステルフイルム
の外面にシール層を設けることによつて、基材の
もつカールし易い性質を防止し、かつ開封容易性
を高めたものである。 That is, according to the lid material of this invention, a polyester film is laminated on both sides of paper or a laminate of paper and aluminum foil, and a sealing layer is provided on the outer surface of this polyester film, thereby eliminating the curl of the base material. This prevents the product from being easily opened and makes it easier to open.
以下、この考案の実施例を添付図面に基いて説
明する。 Embodiments of this invention will be described below with reference to the accompanying drawings.
第１図に示すように、基材１の両面には、ポリ
エチレンの押出コート層２，２′を介してポリエ
ステルフイルム３，３′が積層されており、内側
のポリエステルフイルム３′には、シール層４が
設けられている。図中、５は印刷層である。 As shown in FIG. 1, polyester films 3 and 3' are laminated on both sides of the base material 1 through polyethylene extrusion coat layers 2 and 2', and the inner polyester film 3' has a seal. Layer 4 is provided. In the figure, 5 is a printing layer.
前記基材１は、例えば30〜80ｇ／m2の純白ロー
ル紙、上質紙、さらしクラフト紙等より成る紙の
単体、もしくは第２図及び第３図に示すように、
紙７とアルミニウム箔６との積層体より成る。図
示のように、アルミニウム箔６は、紙７のいずれ
の面にあつてもよい。 The base material 1 is, for example, a single piece of paper made of 30 to 80 g/m 2 of pure white roll paper, high-quality paper, bleached kraft paper, etc., or as shown in FIGS. 2 and 3,
It consists of a laminate of paper 7 and aluminum foil 6. As shown, the aluminum foil 6 may be on either side of the paper 7.
上記シール層４は、ホツトメルト接着剤のほ
か、エチレンビニルアセテート、エチレンエチル
アクリレートなどを用いることができる。特に第
二者の場合は、第４図のように、ポリエチレン８
とのタンデム式押し出し又は共押し出しによつて
コーテイングすることにより、ポリエステルフイ
ルム３′との接合性を高めることができる。図中、
９はEVA又はEEAである。 For the sealing layer 4, ethylene vinyl acetate, ethylene ethyl acrylate, etc. can be used in addition to hot melt adhesives. Especially in the case of a second party, as shown in Figure 4, polyethylene 8
By coating by tandem extrusion or coextrusion with the polyester film 3', bondability with the polyester film 3' can be improved. In the figure,
9 is EVA or EEA.
なお、前記ポリエステルフイルム３，３′の厚
みは、たわみ性を少くし、腰の強さを有する範囲
で選択するのがよく、通常10μ〜25μが良好であ
る。同様に、ポリエチレン層２，２′の厚みも
10μ〜30μが好ましい。 The thickness of the polyester films 3, 3' is preferably selected within a range that reduces flexibility and provides stiffness, and is usually preferably 10 to 25 microns. Similarly, the thickness of the polyethylene layers 2 and 2'
10μ to 30μ is preferable.
以下に実施例を挙げる。 Examples are given below.
「実施例 １」
厚み12μのポリエステルフイルム、15μのポリ
エチレン層、52.3ｇ／m2の上質紙、15μのポリエ
チレン層、12μのポリエステルフイルム、20μの
ポリエチレン層、20μのEEA層より成る蓋材を、
口径96mmの発泡ポリスチレン製カツプラーメン容
器の開口部に150℃×１Kg／cm2×１秒の条件で熱
封緘して密封容器を作成した。"Example 1" A lid material consisting of a 12μ thick polyester film, a 15μ polyethylene layer, 52.3g/ m2 high quality paper, a 15μ polyethylene layer, a 12μ polyester film, a 20μ polyethylene layer, a 20μ EEA layer,
A sealed container was prepared by heat sealing the opening of a 96 mm diameter polystyrene foam cutlet ramen container under conditions of 150° C. x 1 Kg/cm 2 x 1 second.
この容器の蓋材を途中迄剥離したところ、容易
に引剥すことができ、また蓋材が折曲つたりカー
ルすることなく、開口部を隙間なく被うことがで
き、熱湯注入後もこの状態は変らなかつた。 When the lid material of this container was peeled off halfway, it was easily removed, and the lid material covered the opening without any gaps without bending or curling, and it remained in this state even after pouring boiling water. remained unchanged.
「実施例 ２」
厚み12μのポリエステルフイルム、15μのポリ
エチレン、40ｇ／m2の純白ロール紙、7μのアル
ミニウム箔、15μのポリエチレン、12μのポリエ
ステルフイルム、15μのポリエチレン、20μお
EVAから成る蓋材を用意した。"Example 2" 12μ thick polyester film, 15μ polyethylene, 40g/m 2 pure white roll paper, 7μ aluminum foil, 15μ polyethylene, 12μ polyester film, 15μ polyethylene, 20μ thick paper
A lid material made of EVA was prepared.
一方容器は、中間層がエバール（商品名）から
成る両面ポリプロピレンの角形容器で開口部は
126mm×126mmであつた。 On the other hand, the container is a rectangular container made of double-sided polypropylene whose middle layer is made of EVAL (trade name), and the opening is
It was 126mm x 126mm.
上記蓋材をこの容器開口部に、160℃×３Kg／
cm2×１秒の条件で熱封緘した。 Place the above lid material on the opening of this container at 160℃ x 3Kg/
Heat sealing was performed under the conditions of cm 2 ×1 second.
実施例１と同様に、蓋材は容易に開封可能であ
り、その際折れ曲つたりカールすることがなかつ
た。 As in Example 1, the lid material could be easily opened without bending or curling.
この考案によれば、以上のように、紙等の基材
の両面にポリエステルフイルムを積層したので、
たわみ性が少くなり、蓋を剥離しても容器開口部
に隙間なく載置することができ、しかも開封を容
易にできる利点がある。 According to this invention, as described above, polyester films are laminated on both sides of a base material such as paper, so that
The flexibility is reduced, and even if the lid is peeled off, it can be placed in the opening of the container without any gaps, and it has the advantage of being easier to open.
なお、基材中のアルミニウム箔を除くと、容器
に収納された食品中の金属を、金属検知器で検出
することができる。 Note that if the aluminum foil in the base material is removed, metals in the food stored in the container can be detected with a metal detector.
第１図はこの考案の一実施例を示す断面図、第
２図及び第３図は基材の構成を示す断面図、第４
図はシール層の一例を示す断面図である。
図中、１は基材、２，２′はポリエチレン層、
３，３′はポリエステルフイルム、４はシール層
である。
Figure 1 is a sectional view showing an embodiment of this invention, Figures 2 and 3 are sectional views showing the structure of the base material, and Figure 4 is a sectional view showing an embodiment of the invention.
The figure is a sectional view showing an example of a seal layer. In the figure, 1 is a base material, 2 and 2' are polyethylene layers,
3 and 3' are polyester films, and 4 is a sealing layer.
Claims (1)
に、ポリエチレン層を介してポリエステルフイル
ムを積層し、内側のポリエステルフイルムにシー
ル層を設けた容器の蓋材。 A lid material for a container that has polyester film laminated on both sides of a base material made of paper or paper and aluminum foil with a polyethylene layer interposed therebetween, and a sealing layer provided on the inner polyester film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7234283U JPS59176527U (en) | 1983-05-12 | 1983-05-12 | Container lid material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7234283U JPS59176527U (en) | 1983-05-12 | 1983-05-12 | Container lid material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59176527U JPS59176527U (en) | 1984-11-26 |
| JPH046909Y2 true JPH046909Y2 (en) | 1992-02-25 |
Family
ID=30202488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7234283U Granted JPS59176527U (en) | 1983-05-12 | 1983-05-12 | Container lid material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59176527U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020175673A (en) * | 2020-07-17 | 2020-10-29 | 大日本印刷株式会社 | Packaging product equipped with laminate having resin layer derived from biomass |
| JP2022008362A (en) * | 2020-07-17 | 2022-01-13 | 大日本印刷株式会社 | Packaging product having laminate including biomass-derived resin layer |
-
1983
- 1983-05-12 JP JP7234283U patent/JPS59176527U/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020175673A (en) * | 2020-07-17 | 2020-10-29 | 大日本印刷株式会社 | Packaging product equipped with laminate having resin layer derived from biomass |
| JP2022008362A (en) * | 2020-07-17 | 2022-01-13 | 大日本印刷株式会社 | Packaging product having laminate including biomass-derived resin layer |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59176527U (en) | 1984-11-26 |
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