JPS6437349A - Easily openable can-lid having good falling impact resistance characteristic - Google Patents
Easily openable can-lid having good falling impact resistance characteristicInfo
- Publication number
- JPS6437349A JPS6437349A JP62192555A JP19255587A JPS6437349A JP S6437349 A JPS6437349 A JP S6437349A JP 62192555 A JP62192555 A JP 62192555A JP 19255587 A JP19255587 A JP 19255587A JP S6437349 A JPS6437349 A JP S6437349A
- Authority
- JP
- Japan
- Prior art keywords
- score line
- lid
- projections
- impact resistance
- vicinity
- 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
Landscapes
- Containers Opened By Tearing Frangible Portions (AREA)
Abstract
PURPOSE:To simultaneously achieve the enhancement of the falling impact resistance of a can-lid and the reduction of can opening force, by arranging a plurality of projections to the can-lid in the vicinity of the score line of the intermediate part, which connects both ends of the small semicircular score line around a rivet and the large semicircular score line in the vicinity of the outer periphery of the can-lid, in a dispersed state. CONSTITUTION:A plurality of projections 10 are arranged to the panel part 2 in the vicinity of a score line 3c in a dispersed state. The projections 10 suppress the bending deformation along the score line 3c (tensile stress crossing the score line at a right angle) due to the shock generated when a can body falls to achieve the improvement of falling impact resistance. That is, when the projections 10 having this shape are arranged in a dispersed state, the impact force at the time of falling becomes the tensile stress in the normal direction of the projections 10 and is dispersed in all directions and, as a result, the tensile stress component crossing the score line at a right angle can be reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62192555A JPS6437349A (en) | 1987-08-03 | 1987-08-03 | Easily openable can-lid having good falling impact resistance characteristic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62192555A JPS6437349A (en) | 1987-08-03 | 1987-08-03 | Easily openable can-lid having good falling impact resistance characteristic |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6437349A true JPS6437349A (en) | 1989-02-08 |
| JPH0323422B2 JPH0323422B2 (en) | 1991-03-28 |
Family
ID=16293226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62192555A Granted JPS6437349A (en) | 1987-08-03 | 1987-08-03 | Easily openable can-lid having good falling impact resistance characteristic |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6437349A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008514511A (en) * | 2004-09-28 | 2008-05-08 | ボール パッケージング ヨーロッパ ゲーエムベーハー | Sheet metal lid for beverage cans with large perforations |
-
1987
- 1987-08-03 JP JP62192555A patent/JPS6437349A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008514511A (en) * | 2004-09-28 | 2008-05-08 | ボール パッケージング ヨーロッパ ゲーエムベーハー | Sheet metal lid for beverage cans with large perforations |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0323422B2 (en) | 1991-03-28 |
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