JPS6068210A - Method of sealing vessel by metallic cover - Google Patents
Method of sealing vessel by metallic coverInfo
- Publication number
- JPS6068210A JPS6068210A JP17598683A JP17598683A JPS6068210A JP S6068210 A JPS6068210 A JP S6068210A JP 17598683 A JP17598683 A JP 17598683A JP 17598683 A JP17598683 A JP 17598683A JP S6068210 A JPS6068210 A JP S6068210A
- Authority
- JP
- Japan
- Prior art keywords
- lid
- container body
- flange
- opening
- container
- 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
- 238000000034 method Methods 0.000 title claims description 11
- 238000007789 sealing Methods 0.000 title claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 229920005989 resin Polymers 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 7
- 229920005992 thermoplastic resin Polymers 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 3
- 239000000155 melt Substances 0.000 claims 1
- 239000007767 bonding agent Substances 0.000 description 11
- 238000004826 seaming Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000000123 paper Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000088 plastic resin Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 235000014171 carbonated beverage Nutrition 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 235000014214 soft drink Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Landscapes
- Closing Of Containers (AREA)
- Packages (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
もので、さもＫは少なくとも最内面に熱川塑性樹脂層な
有する紙を主体とするカップ状容器、コンボジット缶等
の容器本体の開口部にアルミニウム、鉄等の金属板製の
蓋を接着するにあたり、蓋のフランジ内面に液状又は粘
状の熱接着性樹脂を塗布して該フランジにより容器本体
の開口端な巻締めた後、その巻締め個所を加熱して熱可
塑性樹脂を溶融させて、後は容器本体の巻締め力により
蓋と容器本体とを接着することを特徴とするものである
０
近年、ジーース等の清涼飲料用として容器本体として、
紙、アルミニウム、熱可塑性樹脂な積層した多層構造の
素材をスパイラル状に巻いた筒状体の開口端に金属製の
蓋を接着したコンボジット缶が用いられるようになり、
一部上市されている。[Detailed Description of the Invention] SamoK is a cup-shaped container mainly made of paper having a thermoplastic resin layer on at least the innermost surface, a composite can, etc., which has a metal such as aluminum or iron at the opening of the container body. When bonding a plate lid, a liquid or viscous thermoadhesive resin is applied to the inner surface of the flange of the lid, and the opening end of the container body is tightened using the flange, and then the tightened area is heated. It is characterized by melting a plastic resin and then adhering the lid and the container body using the tightening force of the container body. In recent years, it has been used as a container body for soft drinks such as G's.
Composite cans, which are made of a spirally wound cylindrical body made of multi-layered materials such as paper, aluminum, and thermoplastic resin, with a metal lid glued to the open end, began to be used.
Some are on the market.
従来から一般的に使われている金属缶においては第１図
に示すように缶胴（１）開口端と蓋（２）のフランジ（
３）との間で接合剤（４）す締吋けて、所謂、二重巻）
締めによる密封方式が採用されており、これによって空
気の侵入、内容物の流出を防いでいる。As shown in Figure 1, metal cans that have been commonly used have a flange (
3) and a bonding agent (4) (so-called double-wrap) are used to seal the container, which prevents air from entering and the contents from leaking out.
しかし、上記したコンボジット缶に金属缶と同様の方式
を採用しても、コンポジット缶の場合は容器本体の累月
としてクラフト紙のようなものを用いているために金属
缶に比べて厚さが大きく、また、厚味の均一性も劣るの
で、二重巻締めが不完全となったり、ノ９さの局部的な
変化による接合剤の押しつけ力の変化、紙の塑性変形性
の劣性による巻締め力の低下等により、密封が不完全と
なって、空気の侵入、内誓物の流出という問題が生じる
。However, even if the same method as for metal cans is adopted for the above-mentioned composite cans, composite cans are thicker than metal cans because they use something like kraft paper for the container body. Because the thickness is large and the thickness is not uniform, double seaming may be incomplete, the pressing force of the bonding agent may change due to local changes in the thickness, and the paper may have inferior plastic deformability. Due to a decrease in the tightening force, etc., the seal becomes incomplete, causing problems such as air intrusion and leakage of vows.
そこで、このような問題点を解消する目的で考乏−られ
たのが本発明であり、以下、図面の実施例に基いて詳細
に説明する。The present invention has been devised to solve these problems, and will be described in detail below with reference to embodiments shown in the drawings.
壕ず、第１図は従来技術を示す断面的説明図、第２図は
差のフランジ内面に接合剤を塗布する工程を示す説明図
、第３図は本発明に係る蓋を示す断１ｍ図、第４図は同
じく容器本体を示す断面図、第５図は本発明により蜜月
する過程を示す断面的説明図であり、本発明は、例えば
、板紙、アルミニウム箔、鉄箔等の金属箔、ポリエチレ
ン等の熱可塑性樹脂を組合わせた多層構造の素材をスパ
イラル状に巻いて継目を接合された筒状の、最内面に熱
５Ｔ塑性樹脂（１１）を有する筒状の容器本体（９）の
開口部からジーース等の飲料を充填した後、鉄、アルミ
ニウム等の、厚さ０．２〜０．５ ｆｌの金属板製の蓋
（５）を前記開口部（１２）に被せて密封する方法であ
り、さらに詳しくは、蓋（５）のフランジ（６）内面に
熱接着性樹脂から成る接合剤（８）を、例え１１゛、第
２図に示すように蓋（５）′を回転させながらフランジ
（６）内面に滴下状に塗布し、第５図に示すように蓋（
５）を、容器本体（９）の開口端（１３）に被せて、熱
は加えずに、所謂、二重巻締め状に巻締めて仮に固定し
ておく。次いで該二重巻締め部（１０）を高周波誘導加
熱等により加熱して、容器本体（９）最内面の熱可塑性
樹脂（１１）及び接合剤（８）の両者を溶融状態として
互いに接着するようにしたことを特徴とする密封方法で
ある。Figure 1 is a cross-sectional explanatory diagram showing the conventional technique, Figure 2 is an explanatory diagram showing the process of applying a bonding agent to the inner surface of the flange, and Figure 3 is a 1-meter cross-sectional diagram showing the lid according to the present invention. , FIG. 4 is a cross-sectional view showing the container body, and FIG. 5 is a cross-sectional explanatory view showing the honeymoon process according to the present invention. A cylindrical container body (9) with thermo 5T plastic resin (11) on the innermost surface, which is made of a multi-layered material made of a combination of thermoplastic resins such as polyethylene, spirally wound and joined at the seams. After filling the opening with a drink such as Gies, a lid (5) made of a metal plate made of iron, aluminum, etc. with a thickness of 0.2 to 0.5 fl is placed over the opening (12) to seal it. More specifically, a bonding agent (8) made of a thermoadhesive resin is applied to the inner surface of the flange (6) of the lid (5), for example, by rotating the lid (5)' as shown in FIG. Apply it dropwise to the inner surface of the flange (6), and then cover the lid (as shown in Figure 5).
5) is placed over the open end (13) of the container body (9) and temporarily fixed by wrapping it in a so-called double-sealing manner without applying heat. Next, the double-sealed portion (10) is heated by high-frequency induction heating or the like, so that both the thermoplastic resin (11) and the bonding agent (8) on the innermost surface of the container body (9) are melted and bonded to each other. This is a sealing method characterized by the following.
なお、本発明に用いられる接合剤（８）としては、オル
ガノゾル系樹脂（例えば、東洋モー１− ／■製製品品
名モルプライム等の接着力、成形性の優れた分散体があ
り、比較的低い固形分濃度で高沸点の溶剤プレノド中に
分散させたものが好ましい。As the bonding agent (8) used in the present invention, there are organosol-based resins (for example, dispersions with excellent adhesive strength and moldability such as Toyo Moh 1-/■ product name Mol Prime), which have relatively low adhesive strength and moldability. Preferably, the solids are dispersed in a solvent having a high boiling point at a solid concentration.
本発明は以上のような構成になっているので、次のよう
な優れた実用上の効果を有する。Since the present invention has the above configuration, it has the following excellent practical effects.
（イ）いったん二重巻締めを行なった後に、その二重巻
締め部な加熱するという二段階の工程で接着を行なって
いるので二重巻締め時の残留応力がシール圧として働き
、接着が強固になるとともに二重巻締め時は仮程度で多
少、不完全部分が残ったとしても後の加熱により容器本
体内面の熱可塑性樹脂（９）と接合剤（８）とが溶融し
て不完全部分が埋合わされて完全に接着される。また、
前記二重巻締め時の残留応力により充填時に容器開口近
傍にけ着した内容物を排除できるので接着不良を起こす
こともない。(B) Since the bonding is done in a two-step process of double seaming and then heating the double seaming part, the residual stress from the double seaming acts as sealing pressure and the adhesion is improved. It becomes stronger, and even if some imperfections remain during double seaming, the thermoplastic resin (9) and bonding agent (8) on the inner surface of the container body will melt due to subsequent heating, and the imperfections will be removed. The parts are filled in and completely glued together. Also,
Due to the residual stress during the double seaming, the contents that stick around the opening of the container during filling can be removed, thereby preventing adhesion failure.
（ロ）接合剤として、比較的固形分濃度の低い液状又は
粘状の熱接着性樹脂な用いているので、蓋を回転させな
がら滴下状に接合剤を塗布することができ、厚みの均一
な塗布層が形成されるとともに確実かつ効率的に密封作
業が行なわれる。(b) Since a liquid or viscous thermoadhesive resin with a relatively low solid content concentration is used as the bonding agent, the bonding agent can be applied dropwise while rotating the lid, resulting in a uniform thickness. The coating layer is formed and the sealing operation is performed reliably and efficiently.
（ハ）容器本体と蓋とを接着させるのに特別な装置を必
髪とせず、加熱装置があれば良く、作業性が優れている
。(c) No special equipment is required to bond the container body and the lid; all that is needed is a heating device, and workability is excellent.
また、高周波誘導加熱方法を用いれば、接着効果がさら
に向上し、密封効果が良くなる。Moreover, if a high frequency induction heating method is used, the adhesion effect will be further improved and the sealing effect will be improved.
に）密封効果が優れているので、特に高い密封度な要求
される炭酸飲料、ビール等の包装容器の密封に適してい
る。2) Since it has an excellent sealing effect, it is particularly suitable for sealing packaging containers for carbonated drinks, beer, etc. that require a high degree of sealing.
第１図は従来技術を示す断面的説明図、第２図乃至第５
図は本発明の一実施例を示すもので、第２図は蓋のフラ
ンジ内面に接合剤な塗布する工程を示す説明図、第３図
は本発明に係る蓋を示す断面図、第４図は同容器本体を
示す部分断面図、第５図は本発明により密封する過程を
示す断面的説明図である。
（１）・・・缶 胴 （２） （５）・・・蓋（３）
（６）・・・フランジ
（４） （８）・・・接合剤 （７）・・巻込み部（９
）・・・容器本体 α１山二重巻締め部ａの・・・熱可
塑性面脂
第１図
第２図Figure 1 is a cross-sectional explanatory diagram showing the prior art, Figures 2 to 5
The drawings show one embodiment of the present invention. Fig. 2 is an explanatory diagram showing the process of applying a bonding agent to the inner surface of the flange of the lid, Fig. 3 is a sectional view showing the lid according to the invention, and Fig. 4 5 is a partial cross-sectional view showing the container body, and FIG. 5 is a cross-sectional explanatory view showing the sealing process according to the present invention. (1)... Can body (2) (5)... Lid (3)
(6)...flange (4) (8)...bonding agent (7)...rolling part (9
)...Container body α1 double seam part a...Thermoplastic face fat Figure 1 Figure 2
Claims (1)
層を有する容器の該開口部から内容物を充填した後、金
属板製の蓋な前記開口部に被せて密封する方法において
、蓋のフランジ内面に液状又は粘状の熱接着性樹脂な塗
布し、該蓋を容器本体の開口端に巻締めた後、その巻締
め個所を前記熱接着性樹脂の溶解する温度まで加熱して
容器本体の巻締力により容器本体最内面の熱可塑性樹脂
と蓋のフランジ内面の熱接着性樹脂とを接着することを
特徴とする金属蓋による容器の密封方法。A method in which a container having at least one opening and having a thermoplastic resin layer on the innermost surface is filled with contents through the opening and then sealed by placing a lid made of a metal plate over the opening. A liquid or viscous thermoadhesive resin is applied to the inner surface of the flange, the lid is wrapped around the open end of the container body, and the tightened area is heated to a temperature at which the thermoadhesive resin melts to form the container body. A method for sealing a container with a metal lid, characterized in that a thermoplastic resin on the innermost surface of the container body and a thermoadhesive resin on the inner surface of the flange of the lid are bonded together by a tightening force of .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17598683A JPS6068210A (en) | 1983-09-22 | 1983-09-22 | Method of sealing vessel by metallic cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17598683A JPS6068210A (en) | 1983-09-22 | 1983-09-22 | Method of sealing vessel by metallic cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6068210A true JPS6068210A (en) | 1985-04-18 |
Family
ID=16005698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17598683A Pending JPS6068210A (en) | 1983-09-22 | 1983-09-22 | Method of sealing vessel by metallic cover |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6068210A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01199805A (en) * | 1988-01-25 | 1989-08-11 | Kao Corp | Container sealing method |
| JPH04220125A (en) * | 1986-11-21 | 1992-08-11 | Rheem Empreendimentos Ind & Comercial Sa | End surface of can |
| JP2007286387A (en) * | 2006-04-18 | 2007-11-01 | Kenwood Corp | Sound improving member and audio room |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4968888A (en) * | 1972-11-02 | 1974-07-03 |
-
1983
- 1983-09-22 JP JP17598683A patent/JPS6068210A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4968888A (en) * | 1972-11-02 | 1974-07-03 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04220125A (en) * | 1986-11-21 | 1992-08-11 | Rheem Empreendimentos Ind & Comercial Sa | End surface of can |
| JPH01199805A (en) * | 1988-01-25 | 1989-08-11 | Kao Corp | Container sealing method |
| JP2007286387A (en) * | 2006-04-18 | 2007-11-01 | Kenwood Corp | Sound improving member and audio room |
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