| 摘要 |
Two liners are provided: one for containers with dry contents, one for containers with liquid contents. The liner for dry contents has layers pulp/foil/wax/paper/heat seal, which are laminated and placed into a closure. The closure is mounted on a container neck, after which an induction heating process is carried out. After induction, the pulp and foil layers remain in the closure while the wax layer is absorbed into the paper layer and stays on the container neck along with the heat seal layer. The liner for liquid contents is composed of pulp/foil/polyester/wax/paper/polyester/heat seal. This liner, which is also laminated, is placed into a closure and mounted to a container neck. Following an induction heating process, a pulp/foil/polyester laminate remains on the closure while the paper/wax layer (wherein the wax has been absorbed by the paper) remains on the container neck along with a polyester layer and the heat seal layer. Using the present invention, an excellent secondary seal may be achieved which functions as a true barrier for moisture and gas vapor. |
