JPS6363541A - Can opening forming method for top plate of can container and can opening - Google Patents
Can opening forming method for top plate of can container and can openingInfo
- Publication number
- JPS6363541A JPS6363541A JP61209019A JP20901986A JPS6363541A JP S6363541 A JPS6363541 A JP S6363541A JP 61209019 A JP61209019 A JP 61209019A JP 20901986 A JP20901986 A JP 20901986A JP S6363541 A JPS6363541 A JP S6363541A
- Authority
- JP
- Japan
- Prior art keywords
- top plate
- cap
- fixed
- mouthpiece
- opening
- 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
- 238000000034 method Methods 0.000 title claims description 8
- 230000000630 rising effect Effects 0.000 claims abstract description 12
- 238000005452 bending Methods 0.000 claims abstract description 5
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 238000002788 crimping Methods 0.000 claims 1
- 238000007493 shaping process Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 abstract 2
- 238000003780 insertion Methods 0.000 abstract 2
- 238000004804 winding Methods 0.000 abstract 1
- 238000000465 moulding Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Rigid Containers With Two Or More Constituent Elements (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は缶の天板の一部に円筒状の垂直立上部を設け、
核部に口金を外嵌固定するに際し、これを堅牢に行なう
成形方法及びその缶口構造に関する。Detailed Description of the Invention (Industrial Application Field) The present invention provides a cylindrical vertical upright part on a part of the top plate of a can,
The present invention relates to a molding method for firmly fitting and fixing a cap to a core portion, and a can mouth structure thereof.
（従来の技術）
缶口の成形方法及びその缶口は一般的に天板の一部に円
筒状の垂直立上部を設け、これに口金を嵌挿し垂直立上
部の上端縁を巻曲固定することになシ行なわれ、例えば
特公昭５７−２５２８８号に示されている。(Prior art) Method of forming a can mouth and the can mouth generally includes a cylindrical vertical upright part provided on a part of the top plate, a cap inserted into this, and the upper edge of the vertical upright part rolled and fixed. This method is often practiced, for example, as shown in Japanese Patent Publication No. 57-25288.
（発明の目的）
本発明は口金の固定を堅牢にし、かつ、体裁の良い缶口
を成形することを特徴とする。(Object of the Invention) The present invention is characterized by making the cap firmly fixed and molding a can mouth with good appearance.
（発明の構成）
以下、本発明の実施例を示す図面について説明すれば、
第１図は本発明の実施により成形された缶口Ａの一部の
拡大断面図で、ここにおいて１は缶口Ａの天板、２は缶
口Ａの開口部、３は天板１に開口した円孔を中心にして
成形した垂直立上筒部、４は垂直立上筒部３に外嵌した
固定口金、５は垂直立上筒部３の外側の天板１に設けた
環状凹部で固定口金４の下端の７ランジ４ａを収容する
。(Structure of the Invention) Below, drawings showing embodiments of the present invention will be described.
FIG. 1 is an enlarged cross-sectional view of a part of the can mouth A formed according to the present invention, in which 1 is the top plate of the can mouth A, 2 is the opening of the can mouth A, and 3 is the top plate 1. A vertical rising cylinder part formed around an open circular hole, 4 a fixed base fitted onto the vertical rising cylinder part 3, and 5 an annular recess provided in the top plate 1 outside the vertical rising cylinder part 3. 7 langes 4a at the lower end of the fixed cap 4 are accommodated.
４ ｂ ＋ Ｓ ａは回り止めの凹凸嵌め合い部で四部
４ｂは７ランジ４ａの下面に、凸部５ａは環状凹部ＳＫ
夫々いくつか設けて外嵌時に嵌め合わせる。4 b + S a is a concave and convex fitting part to prevent rotation, and the fourth part 4b is the lower surface of the 7 flange 4a, and the convex part 5a is the annular concave part SK.
Several of each are provided and fitted together when externally fitting.
６は内捲カール部７の基端からの外曲部である。Reference numeral 6 denotes an outwardly curved portion from the base end of the inwardly curled portion 7.
このような缶口Ａは以上に述べるように成形される。即
ち、第２図においてプレース状の缶の天板】の一部にプ
レス加工を施して環状凹部５と垂直立上筒部３を成形し
、該筒部頂面に外周縁３ａを残して円孔３ｂを開口する
。上記工程中に前記環状凹部５にいくつかの回り止めの
凸部５ａを成形加工する。Such a can mouth A is formed as described above. That is, in Fig. 2, a part of the place-shaped can top plate] is pressed to form an annular recess 5 and a vertically rising cylinder part 3, and a circular shape is formed by leaving an outer peripheral edge 3a on the top surface of the cylinder part. Open hole 3b. During the above process, several anti-rotation protrusions 5a are formed in the annular recess 5.
上記垂直立上筒部３の成形後、第８図に示すように天板
１の外周縁３ａに内捲カール部７をつくるためにプレカ
ール７ａを施した後に、第４図に示すように内捲カール
部７を完成する。After forming the vertically rising cylindrical portion 3, as shown in FIG. 8, a pre-curl 7a is applied to the outer peripheral edge 3a of the top plate 1 to form an inwardly curled portion 7, and then as shown in FIG. The curling portion 7 is completed.
次に、上記内捲カール部７をもった垂直立上筒部３に固
定口金４を外嵌する。固定口金４は上部外周に雄ネジ４
Ｃを、下部にフランジ４ａを有し、かつ、この７ランジ
４ａの下面にいくつかの回り止めの凹部４ｂを設けて前
記垂直立上筒部３に外挿し、環状凹部５に嵌合した時凹
部４ｂと凸部５ｂとを合わせて固定口金４の回り止めを
行う。Next, the fixed cap 4 is externally fitted onto the vertically rising cylinder portion 3 having the inwardly curled portion 7. The fixed base 4 has a male screw 4 on the upper outer periphery.
C, which has a flange 4a at the lower part and has several anti-rotation recesses 4b on the lower surface of the 7 flange 4a, is inserted into the vertical upright cylindrical part 3 and fitted into the annular recess 5. The fixed cap 4 is prevented from rotating by aligning the concave portion 4b and the convex portion 5b.
次に第５図に示すように、内捲カール部７を基端７ｂか
ら外曲して固定口金４の上端面に外曲部６を圧着し、天
板１に固定口金４を固着する。固定口金４はフランジ４
ａが環状凹部５に嵌まッテ、 ４ 、
いるので周囲に移動することがなく、又回り止め部によ
り空転することなく安定して取付けられる。Next, as shown in FIG. 5, the inwardly curled portion 7 is bent outward from the base end 7b, the outwardly curved portion 6 is crimped onto the upper end surface of the fixed cap 4, and the fixed cap 4 is fixed to the top plate 1. Fixed cap 4 is flange 4
Since part (a) fits into the annular recess 5, it does not move around, and the rotation prevention part allows it to be stably mounted without idling.
更に缶口Ａは内捲カール部フに縁どられるから堅牢であ
り、他物に損傷を与えたシせず、しかも体裁良く製品化
できる。尚、Ｂは上型装置、Ｃは下型装置である。Furthermore, since the can opening A is bordered by the inner curled part F, it is strong and does not damage other items, and can be manufactured into a product with good appearance. In addition, B is an upper mold device, and C is a lower mold device.
本発明は以上のように内捲カール部７の成形後、固定口
金４を外挿するので容易に挿入できるとともにカール部
を基端から外曲して固定するので容易、かつ、堅牢に製
品化できる。As described above, in the present invention, after the inwardly curled portion 7 is formed, the fixed cap 4 is inserted externally, so that it can be easily inserted, and since the curled portion is fixed by outwardly bending from the base end, it can be manufactured easily and robustly. can.
更に、外曲した内捲カール部の巻端が外部に露見せず体
裁の良い缶口にてき巻端の加工や巻端のために他物に損
傷を与えたシしない取扱い上便利なものにできる種々の
利点をもつ。Furthermore, the end of the outwardly curved inner curl part is not exposed to the outside, and the can opening has a good appearance, making it convenient to handle and prevent damage to other items due to the processing of the end and the end of the end. It has various advantages.
第１図は要部の断面図、第２図から第５図は各工程順の
装置の部分断面図、第６図イからハは各工程順に成形さ
れる缶口の断面図である。
Ａ・・会缶 口 Ｂ・・・上型装置Ｃ・・・下型装
置
（′）
１拳・・天板
３・・・垂直立上筒部
４・・・固定口金
４ａ１・フランジ
４ｂ−−一部 部
５・・・環状凹部
５ ａ＠ ａ ＊凸 部
６・・・外曲部
７・・・内捲カール部
７ａ１１＠・プレカール
７ｂ・・・基端FIG. 1 is a sectional view of the main part, FIGS. 2 to 5 are partial sectional views of the apparatus in each process order, and FIGS. 6A to 6C are sectional views of the can mouth formed in each process order. A... Can opening B... Upper mold device C... Lower mold device (') 1 fist... Top plate 3... Vertical rising cylinder part 4... Fixed cap 4a1, flange 4b -- Part part 5...Annular recessed part 5 a@a *Convex part 6...Externally curved part 7...Inwardly curled part 7a11@・Pre-curl 7b...Proximal end
Claims (2)
部に固定口金を外嵌し前記垂直立上部の上端縁を外曲し
て口金を天板に固定して缶口を成形する方法において、
プレート状の缶の天板１の一部に円孔３ｂを開け、これ
を中心にして天板上より垂直立上筒部３と環状凹部５と
該凹部の一部にいくつかの回り止め凸部５ａを成形する
工程と、前記立上筒部３の外周縁にプレカール７ａを施
した後、内捲カール部７を成形する工程と、前記立上筒
部３に固定口金４を外嵌し、かつ、同口金下面の凹部４
ｂと前記凸部５ａとを回り止め合わせ当該口金４の上端
に前記内捲カール部７を外曲して天板１に口金４を固定
する工程とから成ることを特徴とする缶容器の天板の缶
口成形方法。(1) A cylindrical vertical upright part is provided on a part of the top plate of the can, a fixed cap is fitted onto the part, the upper edge of the vertical upright part is curved outward, and the cap is fixed to the top plate. In the method of shaping the mouth,
A circular hole 3b is made in a part of the top plate 1 of a plate-shaped can, and a cylinder part 3, an annular recess 5, and several anti-rotation protrusions are formed in a part of the recess. A step of forming the portion 5a, a step of forming the inner curl portion 7 after applying a pre-curl 7a to the outer peripheral edge of the rising tube portion 3, and a step of externally fitting the fixed cap 4 onto the rising tube portion 3. , and the recess 4 on the bottom surface of the cap.
The top of the can container is characterized by the step of fixing the cap 4 to the top plate 1 by fixing the cap 4 to the top plate 1 by bending the inwardly curled portion 7 outward at the upper end of the cap 4 and fixing the cap 4 and the convex portion 5a. How to form a plate can opening.
部に外嵌した固定口金を当該立上部の上端を外曲して固
定して成る缶口において、垂直立上筒部の外側の天板１
に環状凹部５を設け、該凹部に固定口金４のフランジ４
ａを嵌合するとともにこれら環状凹部５とフランジ４ａ
との接合面に回り止めの凹凸嵌合部４ｂ、５ａを設け、
かつ、固定口金４の上端に内捲カール部７の基端７ｂか
ら外曲した外曲部６を圧着して成る缶口。(2) In a can mouth that is formed by providing a cylindrical vertical upright part on a part of the top plate of the can, and fixing the fixed cap fitted onto the part by bending the upper end of the upright part outward, Top plate 1 outside the cylinder part
An annular recess 5 is provided in the recess, and the flange 4 of the fixed cap 4 is inserted into the recess.
a and the annular recess 5 and the flange 4a.
Providing anti-rotation uneven fitting portions 4b and 5a on the joint surface with the
Moreover, the can mouth is formed by crimping the outer curved part 6 which is bent outward from the base end 7b of the inner curled part 7 to the upper end of the fixed cap 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61209019A JPS6363541A (en) | 1986-09-05 | 1986-09-05 | Can opening forming method for top plate of can container and can opening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61209019A JPS6363541A (en) | 1986-09-05 | 1986-09-05 | Can opening forming method for top plate of can container and can opening |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6363541A true JPS6363541A (en) | 1988-03-19 |
| JPH0551376B2 JPH0551376B2 (en) | 1993-08-02 |
Family
ID=16565919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61209019A Granted JPS6363541A (en) | 1986-09-05 | 1986-09-05 | Can opening forming method for top plate of can container and can opening |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6363541A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5951246A (en) * | 1995-04-19 | 1999-09-14 | Mitsubishi Heavy Industries, Ltd. | Exhaust system for marine gas turbine |
-
1986
- 1986-09-05 JP JP61209019A patent/JPS6363541A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5951246A (en) * | 1995-04-19 | 1999-09-14 | Mitsubishi Heavy Industries, Ltd. | Exhaust system for marine gas turbine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0551376B2 (en) | 1993-08-02 |
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