JPH02191150A

JPH02191150A - Structure for opening can

Info

Publication number: JPH02191150A
Application number: JP108589A
Authority: JP
Inventors: Yoshio Mitsumata; 三ツ股　義夫
Original assignee: Individual
Current assignee: Individual
Priority date: 1989-01-05
Filing date: 1989-01-05
Publication date: 1990-07-27

Abstract

PURPOSE:To prevent danger and promote environmental landscaping by a method wherein mechanically weak parts are provided on an upper part of a can container, a handle is joined at a joint part, and a recess is provided so that the end of the mechanically weak parts is lowered. CONSTITUTION:Linear-shaped mechanically weak parts 2, 3 wherein thickness of a can lid is reduced, etc. are provided, so that an opening can be facilitated with cracks occurring along said parts when external force is applied. A recess 4 is treated by press working or the like. When a handle 1 is raised in a direction indicated by an arrow A, first the mechanically weak part 2 is broken. By pushing the handle 1 further toward the direction of the arrow A, the mechanically weak part 3 is broken with force in a direction of an arrow C applied. Then, an opening 8 is folded inward of a can to open. In such a structure, a metal piece may not be separated from the can causing no danger and no contamination to environments. Operation is also simple. Further, when a person drinks contents, since a part enclosed by the mechanically weak part 2 is opened and air enters from there, the can drink easily.

Description

【発明の詳細な説明】本発明は、清涼飲料水等の開缶構造に関するものである
。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a structure for opening cans of soft drinks and the like.

従来より、清涼飲料水等の缶を開ける方式は種々の方式
が考えられているが、現在広く普及している方式では、
−旦開缶すると金属片が缶より分離するため、危険であ
ったり、また環境美化の妨げとなったりするという欠点
があった。本発明はこのような欠点を改善したものであ
る。Traditionally, various methods have been considered for opening cans of soft drinks, etc., but the methods that are currently widely used include:
-When the can is opened, the metal pieces separate from the can, which is dangerous and hinders environmental beautification. The present invention improves these drawbacks.

以下図を用いて本発明を説明する。第一図は本発明を実
施した缶容器上部の一般的な外観である・ハンドルｌを
矢印Ａの方向に引き起こすことにより開缶を行うもので
ある。The present invention will be explained below using the figures. Figure 1 shows the general appearance of the upper part of a can according to the present invention.The can is opened by pulling the handle 1 in the direction of arrow A.

第二図は説明の便宜上、ハンドル１を除いた缶を上から
見たものである。７がハンドルの接合部である。２及び
３は缶蓋の肉厚を減するなどした線状の機械的弱部であ
り、外力が加わった際、これに沿って亀裂が生じ、開口
が進行しやすくするためのものである。４はプレス等に
より加工した凹部である。機械的弱部３に囲まれた部分
が開口部８であり、開口後は、ここから内容物を飲んだ
り、排出したりする。第二図は開口前の状態である。５
は機械的弱部３の端部にあたり、開缶途中において開口
部８を缶の内側へと折り曲げようとする力の支点となる
部位である。６は機械的弱部２の端部であり、同じく開
缶途中において開口部８を缶の内側へと折り曲げようと
する力の力点となる部位である。For convenience of explanation, FIG. 2 is a top view of the can with the handle 1 removed. 7 is the joint of the handle. 2 and 3 are linear mechanically weak parts made by reducing the wall thickness of the can lid, and when an external force is applied, cracks occur along these parts to facilitate opening. 4 is a recess formed by pressing or the like. The part surrounded by the mechanically weak part 3 is the opening part 8, and after opening, the contents are drunk or discharged from here. The second figure shows the state before opening. 5
corresponds to the end of the mechanically weak portion 3, and is a portion that serves as a fulcrum for the force that tends to bend the opening 8 toward the inside of the can during opening. Reference numeral 6 denotes an end of the mechanically weak portion 2, which is also a portion where the force of the force that attempts to bend the opening 8 toward the inside of the can is exerted during opening of the can.

第三図は、第二図のｘ−ｘ’断面を示したものである。The third figure shows the x-x' cross section of the second figure.

今、第三図において、ノ）ンドル１を矢印Ａの方向に引
き起こすと、先ず機械的弱部２が裂断する。第四図は、
その状態を示したものであるこの時点では、まだ機械的
弱部３は裂断していない。更にハンドルｌを矢印Ａの方
向に押し倒すと、機械的弱部３は、第四図の矢印Ｃの方
向の力が加わり裂断する。そして開口部８が缶の内側へ
と折れ曲がり開口する。こうして開缶が終了した様子を
示したのが、第五図である。Now, in Figure 3, when the nodule 1 is pulled in the direction of arrow A, the mechanically weak portion 2 is torn first. The fourth figure is
At this point in time, which shows this state, the mechanically weak portion 3 has not yet been torn. When the handle 1 is further pushed down in the direction of arrow A, the mechanically weak portion 3 is ruptured by the force applied in the direction of arrow C in FIG. The opening 8 is then bent and opened to the inside of the can. Figure 5 shows how the opening of the can is completed.

本発明は、このような構造であるので、缶より金属片が
分離することがなく、危険もなければ環境を害すること
もない。また操作も簡単である。Since the present invention has such a structure, metal pieces do not separate from the can, and there is no danger or harm to the environment. It is also easy to operate.

更に、内容物を飲む際にも、機械的弱部２に囲まれた部
分が開口しており、そこから空気が流入するため飲みや
すい。Furthermore, when drinking the contents, the part surrounded by the mechanically weak part 2 is open, and air flows in from there, making it easy to drink.

尚、開口部８が缶の内側に折れ曲がるのは、第四図の矢
印Ｃの方向に力が加わるからであるが、この方向の力が
生ずるか否かは、実際に力が作用する方向（第四図の矢
印Ｂで示す）と、力点６と支点５の位置関係に依存する
。従って、以上の説明では、凹部４を設けた例を示した
が、この位置関係さえ満足すれば、同様の効果が期待で
きる。Note that the opening 8 bends inside the can because a force is applied in the direction of arrow C in Figure 4, but whether or not a force is generated in this direction depends on the direction in which the force actually acts ( (shown by arrow B in FIG. 4) and the positional relationship between the point of effort 6 and the fulcrum 5. Therefore, in the above explanation, an example was shown in which the recessed portion 4 was provided, but as long as this positional relationship is satisfied, similar effects can be expected.

そのような例を第六図と第七図に示す。Such examples are shown in Figures 6 and 7.

第六図は凹部４を設けず、支点５を凸部９に設けた例で
あり、第七図はハンドル１の接合部を凹部１０内に設け
た例である。FIG. 6 shows an example in which the recess 4 is not provided and the fulcrum 5 is provided in the protrusion 9, and FIG. 7 is an example in which the joint of the handle 1 is provided in the recess 10.

[Brief explanation of the drawing]

第一図は、本発明を実施した缶容器上部の一般的な外観
図。第二図は、説明の便宜上ハンドルｌを除いた本発明を実
施した缶容器を上部から見た図。第三図は、第二図のｘ−ｘ’断面図。第四図は、開缶途中を示す断面図。第五図は、開缶終了時の状態を示す断面図。第六図、及び第七図は、本発明の変形例。ｌはハンドル。２．３は機械的弱部。４は凹部５は支点
。６は力点。７はハンドルの接合部。８は機械的弱部３に囲まれた開口部。９は変形例におけ
る凸部。ｌＯは変形例における凹部。第一図ｘ’　　４第三図第四図第五図FIG. 1 is a general external view of the upper part of the can container in which the present invention is implemented. FIG. 2 is a top view of the can container according to the present invention, with the handle l removed for convenience of explanation. The third figure is a sectional view taken along the line xx' in the second figure. FIG. 4 is a sectional view showing the can being opened. FIG. 5 is a cross-sectional view showing the state at the end of opening the can. Figures 6 and 7 show modified examples of the present invention. l is the handle. 2.3 is a mechanically weak part. 4 is a concave portion 5 is a fulcrum. 6 is the emphasis. 7 is the joint of the handle. 8 is an opening surrounded by the mechanically weak portion 3; 9 is a convex portion in a modified example. lO is a recess in a modified example. Figure 1 x' 4 Figure 3 Figure 4 Figure 5

Claims

[Claims]

(1) (a) Mechanically weak parts 2 and 3 are provided at the top of the can as shown in Figure 2. (b) Join the handle 1 at the joining part 7. (c) The recess 4 is provided so that the end 6 of the mechanically weak portion 2 is lowered. With the above structure, by pulling the handle 1 in the direction of the arrow A, the mechanically weak part 2 is first torn, then the mechanically weak part 3 is torn, and the part surrounded by 3 is A can-opening structure that allows the can to be opened by bending into the inside of the can.

(2) The can opening structure according to claim 1, in which the concave portion 4 of claim 1 (c) is not provided, but a convex portion 9 is provided so that the end portion 5 of the mechanically weak portion 3 is higher as shown in FIG.