Production piece with partible port and production method therefor

摘要

A lid and drinking straw assembly for use with a beverage container having a rim is provided. The lid includes a breakaway port formed with a central panel as a conic shell. The breakaway port comprises a plurality of channel structures that extend from the apex of the conic shell toward the central panel. The channel structures are partible to allow insertion of the drinking straw into the beverage container and may have portions of reduced thickness to facilitate their partibility.