| 摘要 |
A pull-tab sealing member includes a bottom laminate sheet, a top laminate sheet, and a tube portion. The bottom laminate sheet includes a support layer having a bottom surface facing the container and a top surface on the opposite side thereof, a lower polymer layer disposed on the bottom surface of the support layer, and an adhesive coating formed on a bottom surface of the lower polymer layer for securing the bottom laminate sheet to the container. The top laminate sheet includes a polymer support having a bottom surface and a top surface and an adhesive layer disposed on the bottom surface of the polymer support layer. The tube portion includes a polymer tubed layer secured to a portion of the top surface of the support layer of the bottom laminate sheet and a tubed tab portion formed integrally with the polymer tubed layer and secured to a portion of the adhesive layer of the top laminate sheet. The support layer of the bottom laminate sheet is secured to the adhesive layer of the top laminate sheet by a remaining portion of the adhesive layer and the polymer support layer, the tubed tab portion, and the portion of the adhesive layer therebetween form a tab portion. |
