Patent ID: 6196281
Filing Date: 2001-03-06
Classification: B65D,B67B,G03D

Abstract:
A fluid transfer system, comprising:a first container and a second container in fluid communications with said first container, said first container having a body, an opening accessible to said body and a frangible closure closing said opening, said frangible closure comprising a closure sheet having a central weakness formed in a medial portion of said closure sheet, said central weakness having a thickness and a central portion of greater thickness than the thickness of said central weakness so as to resist shearing of said central weakness; and, a lateral skirt surrounding said closure sheet, said lateral skirt and said closure sheet having at least a partial radial weakness therebetween for cooperating with said central weakness and enabling said central weakness to fracture; andsaid second container comprising means for applying a force to said central weakness thereby collapsing said central weakness into said radial weakness for enabling fluid flow from said first container into said second container.