CLOSURE AND ACCESS SYSTEMS FOR CONTAINERS AND METHODS OF MANUFACTURE AND USE

摘要

A container-closure system is provided for housing or containerizing a product, which comprises a container body having at least one free end about its perimeter which forms an opening on said container for receiving or discharging said product, and an end portion having a central lid portion and a free end about its perimeter, wherein the end portion is positioned adjacent the container opening such that the container body and end portion free ends are joined together as a seam about the container body opening periphery to join the container end portion to the container body, and to form an annular curled seam projection comprising at least a single curled wall of plastic integral with the container body free end periphery or the end portion free end; and wherein the thus formed annular curled seam projection provides a compressible surface adapted for engaging a cap in sealing arrangement.