JPS6217240Y2 - - Google Patents
Info
- Publication number
- JPS6217240Y2 JPS6217240Y2 JP1983122845U JP12284583U JPS6217240Y2 JP S6217240 Y2 JPS6217240 Y2 JP S6217240Y2 JP 1983122845 U JP1983122845 U JP 1983122845U JP 12284583 U JP12284583 U JP 12284583U JP S6217240 Y2 JPS6217240 Y2 JP S6217240Y2
- Authority
- JP
- Japan
- Prior art keywords
- container
- aluminum foil
- sheet
- forming
- film
- 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
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 16
- 229910052782 aluminium Inorganic materials 0.000 claims description 16
- 239000011888 foil Substances 0.000 claims description 12
- 239000002985 plastic film Substances 0.000 claims description 7
- 239000011256 inorganic filler Substances 0.000 claims description 2
- 229910003475 inorganic filler Inorganic materials 0.000 claims description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920006284 nylon film Polymers 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Containers Having Bodies Formed In One Piece (AREA)
- Wrappers (AREA)
- Laminated Bodies (AREA)
Description
【考案の詳細な説明】
〔考案の技術分野〕
本考案は、アルミ容器を成形加工するために用
いられる容器成形用シートに関する。[Detailed Description of the Invention] [Technical Field of the Invention] The present invention relates to a container forming sheet used for forming aluminum containers.
たとえばアルミニウムは展性を有するからアル
ミニウム箔を材料とした包装容器が冷間成形法で
作られている。上記包装容器はアルミニウムの具
有する特性で防湿性、ガス遮断性に優れ、医薬品
や常温流通食品を封入するために適しているが、
材料であるアルミニウム箔が薄いと、成形時に割
れが生じ易く、深絞り容器を作ることが難かし
く、またアルミニウム箔が厚いと容器としての適
当な剛性が得られず、しかもコスト高になつて実
用的ではない。
For example, since aluminum has malleability, packaging containers are made from aluminum foil using a cold forming method. The above-mentioned packaging containers have excellent moisture-proof and gas-barrier properties due to the properties of aluminum, and are suitable for enclosing pharmaceuticals and room-temperature distributed foods.
If the material, aluminum foil, is thin, it tends to crack during molding, making it difficult to make deep-drawn containers, and if aluminum foil is thick, it may not be possible to obtain the appropriate rigidity for the container, and the cost will be high, making it impractical. Not the point.
そこでアルミニウム箔をナイロンの延伸フイル
ムとPVC・CPPの未延伸フイルムでサンドイツ
チ状に接合したアルミシートも考案されたが、そ
のアルミシートでは、アルミニウム箔の厚さを薄
くし得、しかも絞り深さもアルミニウム箔単体の
ものに比較して相当大きくできるが、深絞りした
場合に底面と立上り部の連結部のように特に絞ら
れる部分に成形後の戻り現象が生じ、成形された
容器が所望の形状を保ち得ないという難点があ
る。 Therefore, an aluminum sheet was devised in which aluminum foil was joined with a stretched nylon film and an unstretched film of PVC/CPP in a sandwich pattern. Although it can be made considerably larger than a single foil, when it is deep-drawn, a phenomenon of return after forming occurs in the areas that are particularly drawn, such as the connection between the bottom and the rising edge, making it difficult for the formed container to maintain the desired shape. The problem is that it cannot be maintained.
本考案は上記した点に鑑みてなされたもので、
比較的厚いシートを均一な厚さでの製造を可能に
するとともに深絞り成形を行ない得るようにした
容器成形用シートを提供することを目的とする。
This idea was made in view of the above points,
An object of the present invention is to provide a container-forming sheet that can be manufactured into a relatively thick sheet with a uniform thickness and that can be deep-drawn.
本考案は介装したアルミニウム箔の一面に無機
フイラー入りプラスチツクフイルムを接合し、成
形後の収縮応力を小さく設定し得て形くずれのな
い成形容器を作り得るようにした容器成形用シー
トである。
The present invention is a container forming sheet in which a plastic film containing an inorganic filler is bonded to one side of an interposed aluminum foil, and the shrinkage stress after forming can be set to a small value, thereby making it possible to produce a molded container that does not lose its shape.
以下本考案の一実施例を図面につき説明する。 One embodiment of the present invention is described below with reference to the drawings.
第１図において符号１は容器成形用シートであ
つて、その容器成形用シート１は、ナイロンまた
はポリプロピレンの厚さ20μ〜40μの延伸フイル
ム２と、オレフインまたはポリエステル樹脂をベ
ースにし、これに炭酸カルシウムのような無酸フ
イラーを混入した厚さ150μ〜300μのプラスチツ
クシート３の間に厚さ40μ〜50μのアルミニウム
箔フイルム４を挾着接合してなる積層フイルムで
構成されている。 In FIG. 1, reference numeral 1 denotes a sheet for forming a container, and the sheet for forming a container 1 is made of a stretched film 2 of nylon or polypropylene with a thickness of 20 μm to 40 μm, an olefin or polyester resin as a base, and calcium carbonate. The laminated film is composed of a plastic sheet 3 having a thickness of 150 to 300 microns mixed with an acid-free filler such as the above, and an aluminum foil film 4 having a thickness of 40 microns to 50 microns being clamped together.
上記プラスチツクシート３は、好ましくは炭酸
カルシウムをベース樹脂に対して25〜30重量％混
入してなるものであつて、耐熱性に富みかつシー
ル強度が最大3.0Kg／15mm幅（270℃１Kg／cm2・１
秒）であり、易開封性である。 The plastic sheet 3 is preferably made by mixing calcium carbonate in an amount of 25 to 30% by weight based on the base resin, and has high heat resistance and sealing strength of up to 3.0 kg/15 mm width (270°C 1 kg/cm 2・1
seconds) and is easy to open.
しかしてアルミ容器を作る場合には、通常の雄
型および雌型を用いて冷間成形法で行なわれる
が、この場合プラスチツクシート３が容器の内面
になるように置かれる。したがつて成形容器のア
ルミニウム箔フイルム４の内側にプラスチツクシ
ート３が位置され、アルミニウム箔の成形時のア
ルミニウム箔の戻り現象を抑えることができる。
すなわちこれにより作られる成形容器は耐熱性に
富みかつ形くずれせず、レトルト製品を収容する
容器に適している。 Thus, when making an aluminum container, a conventional male and female mold is used by cold forming, in which case the plastic sheet 3 is placed so as to form the inner surface of the container. Therefore, the plastic sheet 3 is placed inside the aluminum foil film 4 of the molded container, and it is possible to suppress the returning phenomenon of the aluminum foil during molding of the aluminum foil.
That is, the molded container made thereby is highly heat resistant and does not lose its shape, and is suitable as a container for accommodating retort products.
以上述べたように本考案によれば、成形後の収
縮応力を小さくし得るので、延伸フイルムの戻り
応力を抑え形くずれのない深絞りの成形容器を作
ることができ、また収縮応力の小さいことによ
り、絞りコーナ部分の剥離防止効果があり、しか
も耐熱性に富むから、レトルト容器に適用し得る
という効果を奏する。
As described above, according to the present invention, the shrinkage stress after molding can be reduced, so it is possible to suppress the return stress of the stretched film and produce a deep-drawn molded container that does not lose its shape. This has the effect of preventing peeling of the draw corner portion, and has high heat resistance, so it can be applied to retort containers.
第１図は本考案による容器成形用シートの一部
を示す断面図、第２図は同容器成形用シートを用
いて作つた成形容器の一部を断面で示す図であ
る。
２……延伸フイルム、３……プラスチツクシー
ト、４……アルミニウム箔フイルム。
FIG. 1 is a sectional view showing a part of a container forming sheet according to the present invention, and FIG. 2 is a sectional view showing a part of a molded container made using the same container forming sheet. 2...Stretched film, 3...Plastic sheet, 4...Aluminum foil film.
Claims (1)
クシートの間にアルミニウム箔を介装した積層フ
イルムからなる容器成形用シート。 A container forming sheet made of a laminated film with aluminum foil interposed between an unstretched film and a plastic sheet containing an inorganic filler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12284583U JPS6032024U (en) | 1983-08-09 | 1983-08-09 | Container molding sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12284583U JPS6032024U (en) | 1983-08-09 | 1983-08-09 | Container molding sheet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6032024U JPS6032024U (en) | 1985-03-05 |
| JPS6217240Y2 true JPS6217240Y2 (en) | 1987-05-01 |
Family
ID=30280640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12284583U Granted JPS6032024U (en) | 1983-08-09 | 1983-08-09 | Container molding sheet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6032024U (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH062367B2 (en) * | 1985-05-30 | 1994-01-12 | 株式会社細川洋行 | Manufacturing method for plastic containers |
| JPS62168846A (en) * | 1986-01-20 | 1987-07-25 | 東洋製罐株式会社 | Vessel member and manufacture thereof |
| JP2567588B2 (en) * | 1986-06-05 | 1996-12-25 | 東洋アルミニウム 株式会社 | Laminated body and manufacturing method thereof |
| JPH0532286Y2 (en) * | 1986-08-22 | 1993-08-18 | ||
| JPH0532285Y2 (en) * | 1986-08-22 | 1993-08-18 | ||
| JPH0449109Y2 (en) * | 1987-04-15 | 1992-11-18 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54135082A (en) * | 1978-04-11 | 1979-10-19 | Yoshizaki Kozo | Light enclosed container and making method thereof |
| JPS5615923B2 (en) * | 1972-06-28 | 1981-04-13 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5615923U (en) * | 1979-07-16 | 1981-02-12 | ||
| JPS612033Y2 (en) * | 1980-04-28 | 1986-01-23 |
-
1983
- 1983-08-09 JP JP12284583U patent/JPS6032024U/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5615923B2 (en) * | 1972-06-28 | 1981-04-13 | ||
| JPS54135082A (en) * | 1978-04-11 | 1979-10-19 | Yoshizaki Kozo | Light enclosed container and making method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6032024U (en) | 1985-03-05 |
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