Patent ID: 6073810
Filing Date: 2000-06-13
Classification: B65D,Y02W

Abstract:
A closure for a container having a neck with first and second spaced apart external locking means and an opening therethrough, said closure comprising:a. a closure disk for covering said neck opening;b. a first skirt depending from said disk substantially encompassing a position of the neck terminating adjacent said first external locking means, said first skirt having an angularly depending sidewall that intersects at a lower edge of said skirt;c. a first locking member juxtaposed to and radially inwardly extending from said intersection of said first skirt and sidewall and forming a concave groove at said intersection, said first locking member having an engaging edge formed at the inner periphery of said groove such that said edge and said groove engage said first external locking means;d. a second skirt depending from said sidewall and forming an intersection therebetween defining a first tear line, said second skirt including a second locking member positioned to engage said second external locking means and a second tear line extending from said first tear line through said second locking member to a bottom edge of said second skirt; ande. a tab fixed to said second skirt and juxtaposed to said bottom edge and said second tear linef. an annular valve depending from said disk, wherein said annular valve includes at least one annular flange depending from the outer surface of said valve for engaging the inner surface of said neck to form a seal between said closure and said neck.