发明名称 Förfarande för att krympa krympfolie
摘要 The object of the invention is a method for shrinking a shrink film (1). The method is characterized in that energy is generated in the shrink film (1) by supplying a resistive area in the shrink film with electric power; an area in the shrink film absorbing microwaves with microwaves; or similar impulses having a direct impact on the shrink film.
申请公布号 FI944769(A0) 申请公布日期 1994.10.11
申请号 FI19940004769 申请日期 1994.10.11
申请人 PREISFREUND, MICHAEL 发明人 RUUTTU, JARI
分类号 B29C61/06;B29C65/34;B29C65/68;B65B53/02;B65D75/00;(IPC1-7):B65B 主分类号 B29C61/06
代理机构 代理人
主权项
地址