发明申请
US20100006574A1 CLOSURE WITH SEALING INSERT 失效
封闭插件

CLOSURE WITH SEALING INSERT
摘要:
A closure (1) having a shell (10) and a polymer insert (20). The polymer material of the insert (20) is selected to be sufficiently soft to provide an adequate sealing surface (21) and yet sufficiently stiff to define legs (22), which clip behind the internal curl (11) of the closure shell (10).
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