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
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