Bottles and jars – Closures – Cap type
Patent
1997-09-19
1999-09-14
Cronin, Stephen K.
Bottles and jars
Closures
Cap type
215336, 215337, 215339, 215340, 215349, B65D 4104
Patent
active
059508515
ABSTRACT:
A safety closure including a top wall having a first diameter, an outer cylindrical shell depending downwardly from the top wall first diameter, an inner cylindrical shell depending downwardly from a second diameter of the top wall, and a retaining flange projecting inwardly and downwardly from a lower edge of said inner shell opposite said top wall. The inner shell second diameter is less than the top wall outer diameter, and the inner shell is coaxial with the outer shell. The retaining flange is engageable with an underside surface of a locking bead provided on an external surface of the container neck, thereby maintaining a constant downwardly-directed axial force being imposed on the safety closure, which results in a constant upwardly-directed radial force being imposed on the sealing gasket by an upper terminal lip of the container neck.
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Clodfelter Christopher B.
Sprick William D.
Cronin Stephen K.
Hylton Robin A.
Lamb Charles G.
Rexam Plastics Inc.
Salazar John F.
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