公开(公告)号：US20220017268A1

公开(公告)日：2022-01-20

申请号：US17388543

申请日：2021-07-29

申请人： Vinventions USA, LLC

发明人： Sandra Davidts ,  Weibin Zha ,  Katherine Campbell Glasgow ,  Malcolm Joseph Thompson

IPC分类号： B65D39/00 ,  B29D99/00

摘要： A closure for a container is disclosed. The closure comprises a core member comprising at least one thermoplastic polymer, and at least one peripheral layer at least partially surrounding and intimately bonded to at least one surface of the core member, said peripheral layer comprising at least one styrene block co-polymer, wherein the core member has a density in the range of from about 100 kg/m3 to 350 kg/m3 and the peripheral layer has a density in the range of from greater than 350 kg/m3 to about 1,500 kg/m3 and a thickness in the range of from 0.15 mm to less than 0.50 mm.