Apparatus and method for heat sealing a lidding sheet

摘要

An apparatus and method for heat sealing a lidding sheet to a base, wherein the apparatus including a press for pressing a lidding sheet onto a sealing surface of a base, the press including a relatively flexible face plate and the apparatus further including a system for applying pressure to the lidding sheet with the face plate, the face plate flexing to conform to the lidding sheet and the underlying profile of the sealing surface of the base.