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公开(公告)号:US11667435B2
公开(公告)日:2023-06-06
申请号:US16892209
申请日:2020-06-03
IPC分类号: B65D23/02 , B65D25/16 , B29C49/06 , B29C49/08 , B65D1/02 , B29B11/04 , B29B11/08 , B29B11/16 , B29K105/04 , B29C49/22 , B29K67/00 , B29K105/16 , B29K105/00 , B29L31/00
CPC分类号: B65D23/02 , B29B11/04 , B29B11/08 , B29B11/16 , B29C49/06 , B29C49/08 , B65D1/023 , B65D1/0215 , B65D25/16 , B29C49/22 , B29C2949/077 , B29C2949/0772 , B29C2949/302 , B29C2949/3008 , B29C2949/3012 , B29C2949/3016 , B29C2949/3026 , B29C2949/3028 , B29C2949/3032 , B29K2067/003 , B29K2105/04 , B29K2105/16 , B29K2105/253 , B29L2031/7158
摘要: Container comprising an inner container and an outer container with facing surfaces, wherein at least part of at least one of the facing surfaces has a surface roughness higher than about 0.1 Ra and/or wherein the difference in roughness of the facing surfaces is at least over a part more than about 0.1 Ra.