发明名称 Method for producing loop handle shopping bags
摘要 For the production of loop handle shopping bags based on semi-tube sheeting consisting of thermoplastic plastic, an edge strip of the semi-tube sheeting is folded onto itself and reinforcement warps, consisting of a weld-friendly thermoplastic plastic that provides a good weld, are attached on the interior sides of the edge areas by means of glueing or welding at a distance corresponding to the width of the shopping bags to be produced. Subsequently, the edge strip is folded back so that the added reinforcement warps are positioned back-to-back. Double-layer handle strips are positioned in a U-shape and placed between the reinforcement warps with their end areas of the free shanks, and welded together with the edge areas through the reinforcement warps between welding devices. The shopping bags are then separated from the semi-tube sheeting by means of separating weld seams.
申请公布号 US6899663(B2) 申请公布日期 2005.05.31
申请号 US20020222986 申请日期 2002.08.19
申请人 WINDMOELLER & HOELSCHER KG 发明人 TETENBORG KONRAD
分类号 B31B37/60;B29C65/20;B29C65/74;B31B19/86;B31B37/74;(IPC1-7):B31B1/62 主分类号 B31B37/60
代理机构 代理人
主权项
地址