JP4466946B2 - 開口容易缶蓋 - Google Patents
開口容易缶蓋 Download PDFInfo
- Publication number
- JP4466946B2 JP4466946B2 JP2003375160A JP2003375160A JP4466946B2 JP 4466946 B2 JP4466946 B2 JP 4466946B2 JP 2003375160 A JP2003375160 A JP 2003375160A JP 2003375160 A JP2003375160 A JP 2003375160A JP 4466946 B2 JP4466946 B2 JP 4466946B2
- Authority
- JP
- Japan
- Prior art keywords
- score
- lid
- opening
- panel
- tab
- 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.)
- Expired - Fee Related
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Landscapes
- Containers Opened By Tearing Frangible Portions (AREA)
Description
2 パネル部
3 環状縁部
6 タブ
13 重層部
13a (パネル部の外縁側の)重層部
13b (環状縁部の内縁側の)重層部
14 スコア部
15 折曲誘導線
16 ビード部
17 ビード部
Claims (3)
- パネル部の外縁に沿ったスコア部が、パネル部外縁に非スコア部を残すように、環状のパネル部外縁の半周以上にわたって形成されていることで、スコア部で囲まれた開口片の領域が、パネル部全体の50%以上99%未満を占めていて、この開口片の領域の非スコア部とは反対側でスコア部に近い位置に開口操作用のタブが固着されている開口容易缶蓋において、パネル部の外縁に沿ったスコア部のうちの非スコア部に近い所定の範囲で、断面略V字状の溝に形成されたスコア部が、その端部に向かって、スコア部の溝の深さを示すスコア残厚が徐々に厚くなり、且つ、スコア部の溝の開口部分の巾を示すスコア巾が徐々に広くなることで、徐々に耐破断強度が増大するように形成されていることを特徴とする開口容易缶蓋。
- スコア部の両端を結ぶ線の近傍に、該線での開口片の折り返しを確実にするためのビード部が形成されていることを特徴とする請求項1に記載の開口容易缶蓋。
- 少なくとも開口片のスコア部に沿った部分が、パネル部の金属板を多重に折り畳んだ重層部として形成されていることを特徴とする請求項1又は2に記載の開口容易缶蓋。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003375160A JP4466946B2 (ja) | 2003-11-05 | 2003-11-05 | 開口容易缶蓋 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003375160A JP4466946B2 (ja) | 2003-11-05 | 2003-11-05 | 開口容易缶蓋 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005138852A JP2005138852A (ja) | 2005-06-02 |
JP4466946B2 true JP4466946B2 (ja) | 2010-05-26 |
Family
ID=34686602
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003375160A Expired - Fee Related JP4466946B2 (ja) | 2003-11-05 | 2003-11-05 | 開口容易缶蓋 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4466946B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4883995B2 (ja) * | 2005-12-07 | 2012-02-22 | 大和製罐株式会社 | スコア線のある缶蓋 |
JP2009173297A (ja) * | 2008-01-22 | 2009-08-06 | Toyo Seikan Kaisha Ltd | 易開口缶蓋 |
JP2023078998A (ja) * | 2021-11-26 | 2023-06-07 | 大和製罐株式会社 | 缶蓋及び缶容器 |
JP2023078995A (ja) * | 2021-11-26 | 2023-06-07 | 大和製罐株式会社 | 缶蓋及び缶容器 |
-
2003
- 2003-11-05 JP JP2003375160A patent/JP4466946B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2005138852A (ja) | 2005-06-02 |
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