JPH0398846A - Rolling to seal structure for paper can body and metal lid - Google Patents
Rolling to seal structure for paper can body and metal lidInfo
- Publication number
- JPH0398846A JPH0398846A JP1228716A JP22871689A JPH0398846A JP H0398846 A JPH0398846 A JP H0398846A JP 1228716 A JP1228716 A JP 1228716A JP 22871689 A JP22871689 A JP 22871689A JP H0398846 A JPH0398846 A JP H0398846A
- Authority
- JP
- Japan
- Prior art keywords
- metal lid
- paper
- protrusion
- rolling
- seaming
- 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.)
- Granted
Links
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 65
- 239000002184 metal Substances 0.000 title claims abstract description 65
- 238000005096 rolling process Methods 0.000 title abstract 5
- 238000004826 seaming Methods 0.000 claims description 29
- 238000010438 heat treatment Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 abstract description 6
- 235000014171 carbonated beverage Nutrition 0.000 abstract description 4
- 239000000123 paper Substances 0.000 description 38
- 239000002131 composite material Substances 0.000 description 6
- 238000010998 test method Methods 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 235000013305 food Nutrition 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000005028 tinplate Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 101100136092 Drosophila melanogaster peng gene Proteins 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 235000012255 calcium oxide Nutrition 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
Landscapes
- Package Specialized In Special Use (AREA)
- Rigid Containers With Two Or More Constituent Elements (AREA)
- Cookers (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この出願の発明は、例えば各種の飲食物等を収容するた
めのコンボジット缶(缶胴が紙、天地蓋が金属)におけ
る、紙缶胴と金属蓋の巻締構造の改良に関するものであ
る。Detailed Description of the Invention [Field of Industrial Application] The invention of this application relates to a paper can body, for example, in a composite can (the can body is paper, the top and bottom lids are metal) for accommodating various foods and drinks, etc. and the improvement of the seaming structure of metal lids.
従来からこの種のコンボジット缶においては、多層の板
紙等からなる紙缶胴に、ブリキ、アルミニウム等からな
る金属蓋を巻締めることは、一般に行われている。そし
て、この巻締めを行う場合には、紙缶胴や金属蓋に特に
工夫を凝らせることなく、通常の二重巻締法が採用され
ていた。Conventionally, in this type of composite can, it has been common practice to wrap a metal lid made of tin, aluminum, or the like around a paper can body made of multilayer paperboard or the like. When performing this seaming, a normal double seaming method was used without making any special efforts to the paper can body or metal lid.
しかしながら、金属缶における金属缶胴に金属蓋を巻締
める場合に比較して、前記紙缶胴に金属蓋を巻締める場
合には、巻締強度が弱くなり、例えば次のような課題を
有していた。However, compared to the case where a metal lid is wound around the metal can body of a metal can, when the metal lid is wound around the paper can body, the seaming strength is weaker, resulting in the following problems, for example. was.
金属缶では、ビールのような炭酸飲料等の内圧のかかる
内容物を収容することが一般に行われているが、コンボ
ジット缶では、紙缶胴と金属蓋の巻締強度が弱いため、
内圧のかかる内容物を収容することができず、清酒や無
炭酸飲料等の内圧のかからない(もしくは減圧状態とな
る)内容物しか収容することができない。Metal cans are generally used to store contents that are subject to internal pressure, such as carbonated drinks such as beer, but in composite cans, the strength of the seam between the paper can body and the metal lid is weak.
It cannot accommodate contents that are subject to internal pressure, and can only accommodate contents that are not subject to internal pressure (or are in a reduced pressure state), such as sake and non-carbonated drinks.
清酒、コーヒーのような飲料等を加熱する機能を有した
容器には、断熱性に優れている、加熱操作時に手で保持
し易い、低コストである等の理由で、コンボジット缶が
用いられているが、このコンボジット缶では、紙缶胴と
金属蓋の巻締強度が弱いため、加熱操作を誤ると缶内の
空気が膨張して内圧が高まるため、紙缶胴と金属蓋の巻
締めが外れて、内容物が漏れ出ることがある。Composite cans are used for containers that have the function of heating beverages such as sake and coffee because they have excellent insulation properties, are easy to hold in the hand during heating operations, and are low cost. However, in this composite can, the wrapping strength between the paper can body and the metal lid is weak, so if the heating operation is incorrect, the air inside the can will expand and the internal pressure will increase. It may become unfastened and the contents may leak out.
そこで、この出願の発明は、前記従来のコンボジット缶
等における紙缶胴と金属蓋の巻締構造が有する課題を解
決することを目的としてなされたものである。Therefore, the invention of this application was made for the purpose of solving the problems associated with the seaming structure of the paper can body and metal lid in the conventional composite cans and the like.
〔課題を解決するための手段)
そのため、この出願の請求項1記載の発明の紙缶胴と金
属蓋の巻締構造では、紙缶胴(1)に金属蓋(2)を巻
締めする場合において、金属蓋(2)の折り返し(3)
端部に突起(7)を設けたものとしている。[Means for Solving the Problems] Therefore, in the paper can body and metal lid seaming structure of the invention recited in claim 1 of this application, when the metal lid (2) is seamed to the paper can body (1), , fold the metal lid (2) back (3)
A protrusion (7) is provided at the end.
さらに、この出願の請求項2記載の発明の紙缶胴と金属
蓋の巻締構造では、請求項1記載の発明の紙缶胴と金属
蓋の巻締構造において、前記金属蓋(2)が凹部(4)
を形成しており、この凹部(4)には加熱機構(5)を
有し、一方紙缶胴(l)内部には被加熱物(6)を収容
したものとしている。Furthermore, in the paper can body and metal lid seaming structure of the invention as claimed in claim 2 of this application, in the paper can body and metal lid seaming structure of the invention as claimed in claim 1, the metal lid (2) is Recess (4)
A heating mechanism (5) is provided in the recess (4), while an object to be heated (6) is housed inside the paper can body (l).
この出願の発明の紙缶胴と金属蓋の巻締構造は、前記手
段を施しているため、次のような作用を有する。The paper can body and metal lid seaming structure of the invention of this application has the following effects because it has the above-mentioned means.
請求項1及び請求項2記載の発明ともに、金属蓋(2)
の折り返し(3)端部に設けた突起(7)は、紙缶胴(
1)の端部に食い込み、金属蓋(2)の突起(7)を設
けていない折り返し(3)端部は、従来の巻締構造と同
様に紙缶胴(1)の端部を巻締める。Both the inventions of claims 1 and 2 provide a metal lid (2).
The protrusion (7) provided on the folded end (3) of the paper can body (
The folded end (3) that bites into the end of 1) and is not provided with the protrusion (7) of the metal lid (2) is used to wrap the end of the paper can body (1) in the same manner as the conventional seaming structure. .
以下、この出願の発明の紙缶胴と金属蓋の巻締構造を、
実施例として示した図面に基づいて説明する.
先ず、この出願の発明に用いられる第一実施例及び第二
実施例で示す紙缶胴(1)は、第1図〜第4図に示した
ように、外側から1層のラベル層(la)/3層のライ
ナー層(1 b)/1層の内面フィルム層(IC)の合
計5層より構成されているが、必ずしも多層より構威さ
れていなくてもよい。Below, the seaming structure of the paper can body and metal lid of the invention of this application is as follows:
This will be explained based on the drawings shown as examples. First, the paper can body (1) shown in the first embodiment and the second embodiment used in the invention of this application has one label layer (la ) / 3 liner layers (1 b) / 1 inner film layer (IC), a total of 5 layers, but it does not necessarily have to be composed of multiple layers.
また、この出願の発明に用いられる第一実施例で示す金
属蓋(2)は、第5図及び第6図に示したように、蓋周
囲に折り返し(3)を設けており、同様に第二実施例で
示す金属蓋(2)は、第7図及び第8図に示したように
、中央に凹部(4)と前記折り返し(3)を形成してお
り、この凹部(4)には加熱機構(5)を有している。Furthermore, the metal lid (2) shown in the first embodiment used in the invention of this application is provided with folds (3) around the lid, as shown in FIGS. 5 and 6. As shown in FIGS. 7 and 8, the metal lid (2) shown in the second embodiment has a recess (4) and the folded back (3) formed in the center, and this recess (4) It has a heating mechanism (5).
尚、この出願の発明に用いられる第一実施例及び第二実
施例で示す紙缶胴(1)内部には、飲食物等が収容され
ており、第二実施例においては、第lO図に示したよう
に、この飲食物等が被加熱物(6)となる.
そして、この出願の発明の紙缶胴と金属蓋の巻締構造は
、前記多層より構威される紙缶胴(1)に金属蓋(2)
を二重巻締法等で巻締めする場合において、第5図〜第
8図に示したように、金属蓋(2)の折り返し(3)端
部に突起(7)を設けたものとしている.
前記突起(7)の高さ(h)は、第6図及び第8図に示
したように、実施例では0. 2ma+としたが、0
.05〜1.OOm程度であることが好ましく、これ以
上になると突起(マ)が紙缶胴(1)の端部に食い込ん
だときに、紙缶胴(1)を突き破る場合があり、これ以
下になると突起(7.)が紙缶胴(1)の端部に食い込
まない場合があるまた、前記突起(7)の個数は、突起
(7)の高さ(h)によって違ってくるが、1個であっ
てもよく、特に制限されるものではない。実施例におい
ては、突起(7)の高さ(h)が0.2mmの場合に、
202口径のものでは18個、211口径のものでは2
4個としたが、以下に示す試験結果からも明らかなよう
に所望の使用に耐え得ることができた。Incidentally, food and drink, etc. are stored inside the paper can body (1) shown in the first embodiment and the second embodiment used in the invention of this application, and in the second embodiment, as shown in FIG. As shown, this food and drink becomes the object to be heated (6). The paper can body and metal lid tightening structure of the invention of this application includes a metal lid (2) attached to a paper can body (1) composed of the multi-layered structure.
When seaming by double seaming method etc., a protrusion (7) is provided at the folded end (3) of the metal lid (2) as shown in Figures 5 to 8. .. As shown in FIGS. 6 and 8, the height (h) of the protrusion (7) is 0. I set it as 2ma+, but it was 0
.. 05-1. It is preferable that it is about OOm; if it is more than this, the protrusion (ma) may break through the paper can body (1) when it bites into the end of the paper can body (1), and if it is less than this, the protrusion (ma) may break through the paper can body (1). 7.) may not cut into the edge of the paper can body (1).Also, the number of the protrusions (7) may vary depending on the height (h) of the protrusion (7), but it may not be one. may be used, and is not particularly limited. In the example, when the height (h) of the protrusion (7) is 0.2 mm,
18 for 202 caliber, 2 for 211 caliber.
Although the number was 4, as is clear from the test results shown below, it was able to withstand the desired use.
そこで、この出願の発明の紙缶胴と金属蓋の巻締構造の
巻締強度を調べるために、次のような試験を行った。Therefore, in order to investigate the seaming strength of the paper can body and metal lid seaming structure of the invention of this application, the following test was conducted.
試験■.
内圧のかかる内容物の収容缶における紙缶胴と金属蓋の
巻締構造の耐用圧力についての試験試験方法
202口径の紙缶胴(構或を、外側から1層のラベル層
73層のライナー層/1層の内面フィルム層としたもの
)に、従来の巻締構造に使用していた金属蓋(0.2m
m厚のブリキ製)とこの出願の発明の巻締構造に使用す
る金属蓋(0.2mm厚のブリキ製、突起の個数:18
個、突起の高さ:0.2++m+)とをそれぞれ二重巻
締法で巻締める。Exam ■. Test method for the withstand pressure of the paper can body and metal lid seam structure in cans for storing contents subject to internal pressure Test method 202 caliber paper can body (structure, one label layer from the outside, 73 liner layers) / one layer of inner film layer) and a metal lid (0.2 m
m thick tin plate) and a metal lid used for the seaming structure of the invention of this application (made of 0.2 mm thick tin plate, number of protrusions: 18
and the height of the protrusion: 0.2++m+) are each tightened using the double-sealing method.
そして、第9図に示したように、圧力計(10)を介し
たパイプ(11)を缶内部に配設し、このパイプ(l1
)より缶内部に窒素ガスを圧入し、缶内部を徐々に加圧
(20秒毎に0.2kg/(−IIIづつ圧力を上げる
)し、紙缶胴と金属蓋の巻締めが外れる圧力を測定した
。その結果を、表Iに示す。Then, as shown in FIG. 9, a pipe (11) via a pressure gauge (10) is arranged inside the can, and this pipe (11
), and gradually pressurize the inside of the can (increase the pressure by 0.2 kg/(-III) every 20 seconds) to create a pressure that will release the seam between the paper can body and the metal lid. The results are shown in Table I.
(以下、余白)
表I
試験■.
加熱機能付容器における発熱操作を誤った場合の紙缶胴
と金属蓋の巻締構造の耐用時間についての試験
試験方法
211口径の紙缶胴(構或は、試験Iと同じ)に、従来
の巻締構造に使用していた凹部に加熱機構を有する金属
蓋(0.28一厚のアルミ製)とこの出願の発明の巻締
構造に使用する凹部に加熱機構を有する金属蓋(0.2
8■厚のアルミ製、突起の個数:24個、突起の高さ:
0.2鵬)とをそれぞれ二重巻締法で巻締める。缶内部
には清酒1B(ldを70℃で熱充填し、放置して室温
まで冷却する。そして、第10図に示したように、加熱
機構(5)を発熱操作後、正常の操作手順では加熱機構
(5)側を下にするところ、上にした状態で放置し、紙
缶胴と金属蓋の巻締めが外れる迄の時間を測定した。そ
の結果を、表■に示す。(Hereafter, blank space) Table I Test ■. Test method for the durability of the paper can body and metal lid sealing structure in the event of incorrect heating operation in a container with a heating function. A metal lid (made of 0.28 mm thick aluminum) with a heating mechanism in the recess used in the seaming structure and a metal lid (0.2 mm thick aluminum) with a heating mechanism in the recess used in the seaming structure of the invention of this application.
Made of 8■ thick aluminum, number of protrusions: 24, height of protrusions:
0.2 Peng) and tighten each using the double seaming method. The interior of the can is filled with sake 1B (ld) at 70°C and left to cool to room temperature.Then, as shown in Figure 10, after operating the heating mechanism (5) to generate heat, the normal operating procedure The paper can body and the metal lid were left with the heating mechanism (5) side facing down and with the metal lid facing up, and the time required for the paper can body and the metal lid to come untight was measured.The results are shown in Table 3.
尚、加熱機構(5)は、前記第10図に示したように、
反応室とした金属蓋(2)の凹部(4〉内に、発熱剤(
12) 、及び密封フィルム(13)の破断乎段(14
)を有する反応用水包装体(15)を収容したものとし
ている。発熱剤(12)は、生石灰と石灰原石とを3=
1の割合で混ぜ、1. 0〜2.8+amのメッシュ
にしたものを65g用い、反応用水は、21g用いた。Incidentally, the heating mechanism (5), as shown in FIG.
The exothermic agent (
12), and the breaking stage (14) of the sealing film (13).
) containing a reaction water package (15). The exothermic agent (12) consists of quicklime and limestone in 3=
Mix at a ratio of 1:1. 65 g of 0-2.8+am mesh was used, and 21 g of reaction water was used.
(以下、余白)
表■
〔発明の効果〕
この出願の発明の紙缶胴と金属蓋の巻締構造は、以上に
述べたように構成されているので、次のような効果を有
する。(Hereinafter, blank spaces) Table ■ [Effects of the Invention] Since the paper can body and metal lid seaming structure of the invention of this application is configured as described above, it has the following effects.
先ず、請求項1記載の発明においては、金属蓋(2)の
折り返し(3)端部に設けた突起(7)は、紙缶胴(1
)の端部に食い込むので、紙缶胴と金属蓋の巻締強度が
強くなり、この請求項l記載の発明を実施した缶は、炭
酸飲料等の内圧のかかる内容物の収容缶としての使用に
も充分に耐え得る.
さらに、請求項2記載の発明においても、金属M(2)
の折り返し(3)端部に設けた突起(7)は、紙缶胴(
1)の端部に食い込むので、紙缶胴と金属蓋の巻締強度
が強くなり、この請求項2記載の発明を実施した缶は、
加熱機能付容器としての使用にも充分に耐え得る。First, in the invention as set forth in claim 1, the protrusion (7) provided at the folded end (3) of the metal lid (2) is connected to the paper can body (1).
), the strength of the seam between the paper can body and the metal lid is increased, and the can in which the invention described in claim 1 is implemented can be used as a can for storing contents subject to internal pressure such as carbonated drinks. It can withstand it well. Furthermore, also in the invention according to claim 2, metal M(2)
The protrusion (7) provided on the folded end (3) of the paper can body (
1), the strength of the seam between the paper can body and the metal lid is increased.
It can withstand use as a container with a heating function.
第l図は、この出願の請求項1記載の発明の巻締構造を
金属蓋の折り返し端部に設けた突起の位置以外で切欠し
て示す部分拡大斜視図。第2図は、同巻締構造を金属蓋
の折り返し端部に設けた突起の位置で切欠して示す部分
拡大斜視図。第3図は、この出願の請求項2記載の発明
の巻締構造を金属蓋の折り返し端部に設けた突起の位置
以外で切欠して示す部分拡大斜視図。第4図は、同巻締
構造を金属蓋の折り返し端部に設けた突起の位置で切欠
して示す部分拡大斜視図.第5図は、この出願の請求項
1記載の発明の巻締構造に使用する金属蓋を裏側から見
た状態の斜視図。第6図は、同金属蓋を一部破断して示
す部分拡大斜視図.第7図は、この出願の請求項2記載
の発明の巻締構造に使用する金属蓋を裏側から見た状態
の斜視図。第8図は、同金属蓋を一部破断して示す部分
拡大斜視図.第9図は、この出願の請求項1記載の発明
の巻締構造の耐用圧力についての試験方法を示す説明図
。第10図は、この出願の請求項2記載の発明の巻締構
造の発熱操作を誤った場合の耐用時間についての試験方
法を示す説明図。
(1)・・・紙缶胴 (2〉・・・金属蓋(3)・・
・折り返し (4)・・・凹部(5)・・・加熱機構
(6)・・・被加熱物(7)・・・突起FIG. 1 is a partially enlarged perspective view showing the seaming structure of the invention according to claim 1 of this application, cut away at a location other than the position of the protrusion provided at the folded end of the metal lid. FIG. 2 is a partially enlarged perspective view showing the seaming structure cut away at the position of a protrusion provided at the folded end of the metal lid. FIG. 3 is a partially enlarged perspective view showing the seaming structure of the invention according to claim 2 of this application, cut away at a location other than the position of the protrusion provided at the folded end of the metal lid. FIG. 4 is a partially enlarged perspective view showing the same seaming structure cut away at the position of the protrusion provided at the folded end of the metal lid. FIG. 5 is a perspective view of the metal lid used in the seaming structure of the invention according to claim 1 of this application, viewed from the back side. Figure 6 is a partially enlarged perspective view of the same metal lid, partially cut away. FIG. 7 is a perspective view of the metal lid used in the seaming structure of the invention according to claim 2 of this application, viewed from the back side. Figure 8 is a partially enlarged perspective view of the same metal lid, partially cut away. FIG. 9 is an explanatory view showing a test method for withstand pressure of the seamed structure of the invention according to claim 1 of this application. FIG. 10 is an explanatory diagram showing a test method for the service life when the heating operation of the seaming structure of the invention according to claim 2 of this application is incorrectly performed. (1)...Paper can body (2>...Metal lid (3)...
・Folding (4)...Concavity (5)...Heating mechanism
(6)...Object to be heated (7)...Protrusion
Claims (1)
いて、金属蓋(2)の折り返し(3)端部に突起(7)
を設けたことを特徴とする紙缶胴と金属蓋の巻締構造。 2、前記金属蓋(2)が凹部(4)を形成しており、こ
の凹部(4)には加熱機構(5)を有し、一方紙缶胴(
1)内部には被加熱物(6)を収容したものである請求
項1記載の紙缶胴と金属蓋の巻締構造。[Claims] 1. When the metal lid (2) is wrapped around the paper can body (1), a projection (7) is provided on the folded end (3) of the metal lid (2).
A paper can body and metal lid seaming structure characterized by the provision of. 2. The metal lid (2) forms a recess (4), and the recess (4) has a heating mechanism (5), while the paper can body (
1) The paper can body and metal lid seaming structure according to claim 1, wherein an object to be heated (6) is housed inside.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1228716A JPH0798538B2 (en) | 1989-09-04 | 1989-09-04 | Winding structure of paper can body and metal lid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1228716A JPH0798538B2 (en) | 1989-09-04 | 1989-09-04 | Winding structure of paper can body and metal lid |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0398846A true JPH0398846A (en) | 1991-04-24 |
JPH0798538B2 JPH0798538B2 (en) | 1995-10-25 |
Family
ID=16880696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1228716A Expired - Lifetime JPH0798538B2 (en) | 1989-09-04 | 1989-09-04 | Winding structure of paper can body and metal lid |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0798538B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008535546A (en) * | 2005-03-17 | 2008-09-04 | オンテック デラウェア インク. | Container with integrated module for heating or cooling the contents |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62109742A (en) * | 1985-10-25 | 1987-05-20 | 東洋製罐株式会社 | Double rolled can formed by flexible material |
-
1989
- 1989-09-04 JP JP1228716A patent/JPH0798538B2/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62109742A (en) * | 1985-10-25 | 1987-05-20 | 東洋製罐株式会社 | Double rolled can formed by flexible material |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008535546A (en) * | 2005-03-17 | 2008-09-04 | オンテック デラウェア インク. | Container with integrated module for heating or cooling the contents |
Also Published As
Publication number | Publication date |
---|---|
JPH0798538B2 (en) | 1995-10-25 |
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