发明名称 CAN END PRODUCTION
摘要 A method of making a can end by forming a can end shell in a shell press; and converting the shell into a can end. The step of forming the can end shell comprises pressing sheet metal into an end shell with a bead feature in the radially outer circumference of its centre panel. In a subsequent can end conversion operation material from the bead feature is used to set final geometry of the converted can end.
申请公布号 US2016228938(A1) 申请公布日期 2016.08.11
申请号 US201415022774 申请日期 2014.09.16
申请人 CROWN PACKAGING TECHNOLOGY, INC. 发明人 GAILLY Noe Jacques Francois
分类号 B21D51/44;B21D22/22 主分类号 B21D51/44
代理机构 代理人
主权项 1. A method of making a can end, the method comprising forming a can end shell in a shell press and converting the can end shell into a can end, in which the step of forming the can end shell comprises pressing sheet metal into a shell, the shell having a seaming panel (2), countersink bead (3) and centre panel (4), the step of pressing the shell further including forming one or more features in the centre panel (4) of the end, the method further comprising transferring the can end shell to a conversion press and, in a sequence of operations, moving material inwardly from the end shell feature towards the centre of the end to set the final geometry of the can end.
地址 Alsip IL US