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Containers Opened By Tearing Frangible Portions
(AREA)
Abstract
Una tapadera, esencialmente constituida por una pieza circular metálica troquelada de manera que forma un escalonado de diámetros progresivamente menores que acaban en zona plana la cual presenta un embutido hacia fuera, en cuyo borde quedan establecidas una serie de ventanillas semicirculares para el paso de vahos.