发明名称 PROCESS FOR PRODUCING TEAR-OFF CAN TOPS, AND TEAR-OFF CAN TOPS PRODUCED BY THIS PROCESS
摘要 Process for producing tear-can tops, and tear-off can tops produced by this process The present invention relates to a process for producing tear-off can tops made of a metal sheet with a surface protection layer applied to one or both sides and a gripping bottle ¢sic!, embossed lines for a multiplicity of can tops on a common metal sheet being produced first on a metal sheet panel or metal sheet strip, a surface protection layer then being applied to the pre-embossed metal sheet panel or pre-embossed metal sheet strip and the tear-off can tops subsequently being punched out. The process is characterized in that a thermoplastic film is laminated as surface protection layer to the metal sheet panel or metal sheet strip. The invention also relates to tear-off can tops produced by this process.
申请公布号 CA2150009(A1) 申请公布日期 1994.06.09
申请号 CA19932150009 申请日期 1993.11.20
申请人 BASF LACKE + FARBEN AKTIENGESELLSCHAFT 发明人 KIRIAZIS, LEONIDAS
分类号 B65D17/00;B65D65/40;(IPC1-7):B32B31/08 主分类号 B65D17/00
代理机构 代理人
主权项
地址