发明名称 |
Tooling and method for the manufacture of a tab with coin precurl for improved curl formation |
摘要 |
A tab is used to open beer/beverage can ends and food can ends. The tab has one or more arcuate strips that are provided on a surface of the tab proximate to a peripheral surface of the tab where the one or more arcuate strips have been formed further into a preselected portion of curled or hemmed portions of the tab. Tooling for the manufacture of the tab is also provided. A method for manufacturing the tab is additionally provided as well.
|
申请公布号 |
US7975520(B2) |
申请公布日期 |
2011.07.12 |
申请号 |
US20090571847 |
申请日期 |
2009.10.01 |
申请人 |
STOLLE MACHINERY COMPANY, LLC |
发明人 |
MCELDOWNEY CRAIG ALLEN;MITCHELL MARK RICHARD |
分类号 |
B21D22/00 |
主分类号 |
B21D22/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|