JPS61140337A - Production of can body - Google Patents
Production of can bodyInfo
- Publication number
- JPS61140337A JPS61140337A JP26431884A JP26431884A JPS61140337A JP S61140337 A JPS61140337 A JP S61140337A JP 26431884 A JP26431884 A JP 26431884A JP 26431884 A JP26431884 A JP 26431884A JP S61140337 A JPS61140337 A JP S61140337A
- Authority
- JP
- Japan
- Prior art keywords
- holder
- lifter plate
- seaming
- double
- end member
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 238000004826 seaming Methods 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 abstract description 9
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 230000006866 deterioration Effects 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000011087 paperboard Substances 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
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
- B21D51/2615—Edge treatment of cans or tins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
- B21D51/2615—Edge treatment of cans or tins
- B21D51/2623—Curling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
- B21D51/2615—Edge treatment of cans or tins
- B21D51/263—Flanging
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Containers With Two Or More Constituent Elements (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は缶体の製造方法に関し、さらに詳しくは缶胴体
に蓋部材等の端部材を２重巻締して、缶体を製造する方
法に関する。Detailed Description of the Invention (Industrial Application Field) The present invention relates to a method for manufacturing a can body, and more specifically, a method for manufacturing a can body by double-sealing an end member such as a lid member to a can body. Regarding.
（従来の技術）
従来より２重巻締による缶体の製造は、次のようにして
行なわれている。第４図（、）に示すように、缶胴体１
のフランツ部２の上に、端部材３（蓋部材または底部材
）のカール部４を載置し、次に図示されないリフタープ
レート（第１図の１５参照）を上昇させて、端部材３の
凹んだ・２ネル部５と、ツヤネル部５の周縁の環状凹部
５ａの外縁からの立上り部１１（通常チャックウオール
と呼ばれる）によって形成される中央凹部１２に、シー
ミングチャック６を嵌入する。(Prior Art) Manufacturing of can bodies by double seaming has conventionally been carried out as follows. As shown in Figure 4 (,), the can body 1
The curled part 4 of the end member 3 (lid member or bottom member) is placed on the flantz part 2 of the end member 3, and then the lifter plate (not shown) (see 15 in FIG. 1) is raised to remove the end member 3. A seaming chuck 6 is fitted into a central recess 12 formed by the recessed two-flank portion 5 and a rising portion 11 (usually called a chuck wall) from the outer edge of the annular recess 5a on the periphery of the glossy flannel portion 5.
次いでリフタープレートにより缶胴体１の下端部を支持
しながら、第４図（ｂ）に示すように、＄１巻締ロール
７とチャック６との間で、カール部４とフランツ部２を
押圧して、カール部の端縁部４ａが上向きになって、下
向きになったフランツ部２の内側に進入した予備巻締部
８を形成する。Next, while supporting the lower end of the can body 1 with a lifter plate, the curled part 4 and flantz part 2 are pressed between the $1 seaming roll 7 and the chuck 6, as shown in FIG. 4(b). As a result, the end edge 4a of the curled portion faces upward to form a preliminary seaming portion 8 that enters the inside of the flantz portion 2 that faces downward.
引続いて第４図（Ｃ）に示す第２巻締ロール９により、
カール部端縁部４ａに対応する部分４ａ′（通常カバー
フックとよばれる）に、フランツ部２に対応する部分２
′（通常ボディフックと呼ばれる）を、図示されないシ
ーリングコン・ぐランド層ヲ介して密接させて２重巻締
部１０を形成する。Subsequently, by the second seaming roll 9 shown in FIG. 4(C),
A portion 4a' (usually called a cover hook) corresponding to the end edge 4a of the curled portion is provided with a portion 2 corresponding to the flanz portion 2.
' (commonly called a body hook) are brought into close contact with each other through a sealing gland layer (not shown) to form a double-sealed portion 10.
（発明が解決しようとする問題点）
以上のような従来の２重巻締による缶体の製造工程にお
いて、特に予備巻締部８を形成する工程において、フラ
ンツ部２に加わる軸方向の分力を支持して、フランツ部
乏の逃げを防止し、規定のボｆ４フック２′の長さを確
保するため、かなり大きな軸荷重（例えば１５０に９）
がリフタープレートを介して缶胴体１に加わる。(Problems to be Solved by the Invention) In the conventional double-sealing can body manufacturing process as described above, especially in the process of forming the pre-sealing portion 8, the axial component force applied to the flanz portion 2 In order to support the F4 hook 2' and prevent the Franz part from escaping, a fairly large axial load (for example 150 to 9) is required to support the F4 hook 2' length.
is applied to the can body 1 via the lifter plate.
そのため耐軸荷重強度の比較的小さい材料よりなる缶胴
体に、２重巻締法を適用しようとした場合、缶胴体が座
屈し易く、座屈により外観が損われるのみならず、座屈
に伴なって、缶胴体の軸方向抵抗が減少するため、チャ
ック６とチャックウオール１１の間でスリップを生じて
、得られる２重巻締部１０の密封能が低下するという問
題を生ずる。Therefore, when attempting to apply the double seaming method to a can body made of a material with relatively low axial load resistance, the can body is likely to buckle, and the buckling not only impairs the appearance, but also As a result, the axial resistance of the can body is reduced, causing slippage between the chuck 6 and the chuck wall 11, resulting in a problem that the sealing ability of the resulting double-sealed portion 10 is reduced.
そのため缶胴体が金属よりなる場合、その厚さは、２重
巻締時に加わる軸荷重力）らの制約によって、所定値（
例えば錫めっき鋼板等のスチールの場合的０．１０ ＋
ａ 、アルミニウム合金の場合的０．１３瓢）より薄く
することができず、従って缶胴体の肉厚を薄くして、コ
ストダウンを図ることが困難であった。Therefore, when the can body is made of metal, its thickness is determined by a predetermined value (
For example, in the case of steel such as tin-plated steel plate, 0.10 +
a, in the case of aluminum alloys, it is impossible to make the can body thinner than 0.13 mm), and therefore it is difficult to reduce the cost by reducing the thickness of the can body.
同じ理由で、紙材、比較的薄いプラスチック、もしくは
これらの積層体（金属箔との積層体をも含む）よシなる
缶胴体に、２重巻締法を適用することは困難であった。For the same reason, it has been difficult to apply the double seaming method to can bodies made of paper, relatively thin plastic, or laminates thereof (including laminates with metal foil).
そのため２重巻締部は密封性の信頼度に優れているとい
う利点を有するにもかかわらず、以上に述べたような１
部の缶胴体に適用して缶体を製造することは困難であっ
た。Therefore, although the double-sealed part has the advantage of excellent sealing reliability, it still has the above-mentioned problems.
It was difficult to manufacture can bodies by applying this method to can bodies.
なお、缶体の開口部を端部材によって２重巻締するさい
は、缶胴体の他方の元の開口部がすでに２重巻締されて
いること、および内容物が充填されていることによって
、缶胴体は補強されているため、缶胴体が耐軸荷重強度
の比較的小さい材料よりなる場合であっても、座屈等の
トラブルを起 −し難い。In addition, when double-sealing the opening of the can body with the end member, the other original opening of the can body has already been double-sealed and the contents are filled. Since the can body is reinforced, problems such as buckling are unlikely to occur even if the can body is made of a material with relatively low axial load resistance.
（発明の目的）
本発明の目的は、缶胴体が耐軸荷重強度の比較的小さい
材料よりなる場合であっても、座屈や密封性の低下を招
くおそれのない、缶胴体を端部材と２重巻締して缶体を
製造する方法を提出することにある。(Object of the Invention) An object of the present invention is to provide a can body with an end member that does not cause buckling or deterioration of sealing performance even when the can body is made of a material with relatively low axial load resistance. The purpose of this invention is to present a method for manufacturing can bodies by double seaming.
（発明の構成）
本発明は、リフタープレート上に載置された缶胴体に、
端部材を２重巻締して、缶体を製造する方法において、
該缶胴体に挿入された、該リフタープレート上のホルダ
ーによって、該端部材に加わる軸方向の荷重を支承しな
がら、該２重巻締を行なうことを特徴とする缶体の製造
方法を提供するものである。(Structure of the Invention) The present invention provides a can body placed on a lifter plate.
In a method for manufacturing a can body by double seaming end members,
To provide a method for manufacturing a can body, characterized in that the double seaming is performed while supporting an axial load applied to the end member by a holder on the lifter plate inserted into the can body. It is something.
（実施例） 以下実施例について説明する。(Example) Examples will be described below.
第１図は２重巻締直前の状態を示したものである。缶胴
体１は、比較的耐軸荷重強度の小さい材料、例工ばポリ
エチレンフィルムのようなグラスチックフィルム−板紙
−プラスチックフィルム−アルミニウム箔のような金属
箔−プラスチックフィルムよシなる積層体から形成され
ており、上下にフランジ部２を備えている。缶胴体１は
、下部フランツ部２が、リフタープレート１５の環状溝
１５ａに挿Δされることによって、リフタープレート１
５上に載置される。FIG. 1 shows the state immediately before double seaming. The can body 1 is made of a material with relatively low axial load resistance, for example, a laminate of a glass film such as polyethylene film, paperboard, a plastic film, a metal foil such as aluminum foil, and a plastic film. It has flanges 2 on the top and bottom. The can body 1 has a lower flange portion 2 which is inserted into the annular groove 15a of the lifter plate 15.
5.
１６はホルダーであって缶胴体１に挿入され、かつリフ
タープレート１５上に載置されている。A holder 16 is inserted into the can body 1 and placed on the lifter plate 15.
ホルダー１６の下面中央には、ホルダー１６のセンター
リングのだめの突起部１７が設けられており、突起部１
７はりフタ−プレート１５の中心孔部１８Ｆｃ挿入され
る。ホルダー１６の、剛性材料、通常は例えばアルミニ
ウムのような金属よりなる主部１６＆の上面には、好ま
しくは弗素樹脂のような比較的剛性を有し、かつ低摩擦
係数の材料よりなる上部体１６ｂが固着されている。２
重巻締のさい、端部材、この例では図示されないプルタ
ブを有する、金属よりなるイージオープン蓋部材３の環
状凹部５ａの最下面５ ａｌが、ホルダー１６の上面１
６ｃと、若干の回転下に接触するが、そのさい上記下面
１６ｃ上の塗膜に擦り傷等が生成して、金属が露出する
のを防止するだめである。A protrusion 17 is provided at the center of the lower surface of the holder 16 to serve as a center ring for the holder 16.
7 is inserted into the center hole 18Fc of the lid plate 15. On the upper surface of the main portion 16 & of the holder 16 made of a rigid material, usually a metal such as aluminum, there is an upper body 16b preferably made of a relatively rigid material with a low coefficient of friction such as fluororesin. is fixed. 2
During heavy tightening, the lowermost surface 5 al of the annular recess 5 a of the end member, the easy-open lid member 3 made of metal and having a pull tab (not shown in this example), is aligned with the upper surface 1 of the holder 16 .
6c, but this is to prevent scratches or the like from being generated on the coating film on the lower surface 16c and exposing the metal.
缶胴体１には、蓋部材３が、そのカール部４力（缶胴体
１の上部フランジ部２に、図示されないシーリングコ／
パウンド層を介して接触するように上載される。この状
態でホルダー１６の上面１６ｃと、環状凹部５ａの下面
が接触するようにホルダー１６の高さは定められている
。以上の状態でリフタープレートは、図示されない駆動
機構により上昇して、シーミングチャック１６が、図示
のように、蓋部材３の中央凹部１２と環状凹部５ａに嵌
入される。The lid member 3 is attached to the can body 1 at its curled portion 4 (the upper flange portion 2 of the can body 1 is provided with a sealing coat (not shown)).
They are placed on top so that they are in contact with each other through the pound layer. The height of the holder 16 is determined so that the upper surface 16c of the holder 16 and the lower surface of the annular recess 5a are in contact with each other in this state. In the above state, the lifter plate is raised by a drive mechanism (not shown), and the seaming chuck 16 is fitted into the central recess 12 and the annular recess 5a of the lid member 3, as shown.
（作用）
次いで第２図に示すように、第１巻締ロール７が半径方
向内方に移動して、カール部４に接近し、予備巻締が行
なわれる。このさい蓋部材３はホルダー１６によって支
持されているので、第１巻締ロール７によってカール部
４が変形されるさい蓋部材３に加わる軸方向の分力、す
なわち軸荷重は、ホルダー１６によりて支承され、フラ
ンジ部２を介して缶胴体１に加わることはない。フラン
ジ部２を変形するのに要する力の軸方向の分力、すなわ
ち軸荷重は缶胴体１に加わるが、缶胴体１は比較的変形
し易い材料よりなるので、この軸荷重はカール部４（例
えば約０．３ ｍのアルミニウム合金ニリなる）の変形
にもとづく軸荷重にくらべて遥かに小さい。従って予備
巻締のさい缶胴体１が座屈するおそれがない。(Operation) Next, as shown in FIG. 2, the first seaming roll 7 moves radially inward to approach the curled portion 4, and preliminary seaming is performed. At this time, since the lid member 3 is supported by the holder 16, the axial component force applied to the lid member 3 when the curl portion 4 is deformed by the first seaming roll 7, that is, the axial load, is absorbed by the holder 16. It is supported and is not applied to the can body 1 via the flange portion 2. An axial component of the force required to deform the flange portion 2, that is, an axial load, is applied to the can body 1, but since the can body 1 is made of a material that is relatively easily deformed, this axial load is applied to the curled portion 4 ( For example, this is much smaller than the axial load due to the deformation of an aluminum alloy (for example, approximately 0.3 m). Therefore, there is no risk that the can body 1 will buckle during preliminary seaming.
次いで第３図に示すように、予備巻締部８に、第２巻締
ロール９が接近して、最終巻締めが行なわれて２重巻締
部１０が形成されるが、この場合も同様にして、缶胴体
１に加わる軸荷重は僅小であって、缶胴体１に座屈を生
ずるおそれがなく、従って密封性の優れた２重巻締部１
０を有する缶体１３を製造することができる。Next, as shown in FIG. 3, a second seaming roll 9 approaches the preliminary seaming portion 8 and final seaming is performed to form a double seaming portion 10, but the same applies in this case. As a result, the axial load applied to the can body 1 is very small, and there is no risk of buckling the can body 1. Therefore, the double-sealed portion 1 has excellent sealing performance.
It is possible to manufacture a can body 13 having 0.
（発明の効果）
本発明によれば、缶胴体に挿入された、リフタープレー
ト上のホルダーによって端部材に加わる軸荷重を支承し
ながら２重巻締して缶体を製造す −るので、２重巻締
のさいに缶胴体に加わる軸荷重が比較的小さく、従って
缶胴体が比較的耐軸荷重が小さい材料よりなる場合であ
っても、缶胴体に座屈を生ずるおそれがなく、従って座
屈にもとづく外観の劣化や、密封性の低下を招くことが
ないという効果を奏する。(Effects of the Invention) According to the present invention, the can body is manufactured by double seaming while supporting the axial load applied to the end member by the holder on the lifter plate inserted into the can body. Even if the axial load applied to the can body during heavy seaming is relatively small, and therefore the can body is made of a material with relatively low axial load resistance, there is no risk of the can body buckling, and therefore the can body will not buckle. This has the effect of not causing deterioration of the appearance or deterioration of sealing performance due to bending.
第１図、第２図、第３図は本発明の方法の実施例を示す
図面であって、第１図は２重巻締を行なう直前の状態を
示す縦断面図、第２図は予備巻締が終了した状態を示す
縦断面図、第３図は２重巻締が終了した状態を示す要部
縦断面図、第４図（ａ）。
（ｂ） 、 （ｃ）は従来の２重巻締法を説明するため
の要部縦断面図であって、第４図（＆）は２重巻締を行
なう直前の状態を示す要部縦断面図、第４図（ｂ）は予
備巻締が終了した状態を示す要部縦断面図、第４図（ｃ
）は２重巻締が終了した状態を示す要部縦断面図である
。
１・・・缶胴体、３・・・端部材（蓋部材）、１０・・
・２重巻締部、１３・・・缶体、１５・・・リフタープ
レート、１６・・・ホルダー
第 １ 図
第 ２ 図
第 ４
Ｃ
（ｂ）
（Ｃ）1, 2, and 3 are drawings showing an embodiment of the method of the present invention, in which FIG. 1 is a longitudinal cross-sectional view showing the state immediately before double seaming, and FIG. 2 is a preliminary drawing. FIG. 3 is a longitudinal cross-sectional view showing a state in which seaming has been completed, and FIG. 4(a) is a longitudinal cross-sectional view of a main part showing a state in which double seaming has been completed. (b) and (c) are longitudinal cross-sectional views of the main parts for explaining the conventional double seaming method, and Fig. 4 (&) is a longitudinal cross-sectional view of the main parts showing the state immediately before double seaming. The top view, FIG. 4(b) is a vertical sectional view of the main part showing the state in which preliminary seaming has been completed, and FIG. 4(c)
) is a longitudinal cross-sectional view of the main part showing a state in which double seaming has been completed. 1... Can body, 3... End member (lid member), 10...
・Double seaming part, 13... Can body, 15... Lifter plate, 16... Holder Figure 1 Figure 2 Figure 4 C (b) (C)
Claims (1)
材を２重巻締して、缶体を製造する方法において、該缶
胴体に挿入された、該リフタープレート上のホルダーに
よって、該端部材に加わる軸方向の荷重を支承しながら
、該２重巻締を行なうことを特徴とする缶体の製造方法
。(1) In a method of manufacturing a can body by double-sealing an end member to a can body placed on a lifter plate, a holder on the lifter plate inserted into the can body A method for manufacturing a can body, characterized in that the double seaming is performed while supporting an axial load applied to the end member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26431884A JPS61140337A (en) | 1984-12-14 | 1984-12-14 | Production of can body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26431884A JPS61140337A (en) | 1984-12-14 | 1984-12-14 | Production of can body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61140337A true JPS61140337A (en) | 1986-06-27 |
Family
ID=17401514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26431884A Pending JPS61140337A (en) | 1984-12-14 | 1984-12-14 | Production of can body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61140337A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5708875A (en) * | 1995-05-11 | 1998-01-13 | Asahi Kogaku Kogyo Kabushiki Kaisha | Camera having electronic flash equipment |
| JP2013233571A (en) * | 2012-05-09 | 2013-11-21 | Kirin Brewery Co Ltd | Double seaming device for can |
-
1984
- 1984-12-14 JP JP26431884A patent/JPS61140337A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5708875A (en) * | 1995-05-11 | 1998-01-13 | Asahi Kogaku Kogyo Kabushiki Kaisha | Camera having electronic flash equipment |
| JP2013233571A (en) * | 2012-05-09 | 2013-11-21 | Kirin Brewery Co Ltd | Double seaming device for can |
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