| 摘要 |
A container body 12 has a base 14 and a side wall 16, an upper rim portion 20 of the side wall defining an opening to the interior volume of the container. The opening is closed by a membrane 42 extending across and heat sealed to the rim portion 20 to define a primary seal 46. The membrane has a peripheral skirt region extending about and heat sealed to an outer surface of the side wall adjacent the rim portion to define a secondary seal 48. The container may be a large diameter container with an opening having a maximum diameter of 150 mm or more. |
