Antibackoff closure

Details Antibackoff closure Antibackoff closure

B - Operations, Transporting

65

D

206/12, 206/25

B65D 41/34 (2006.01) B65D 50/06 (2006.01)

Patent

CA 1107240

ANTIBACKOFF CLOSURE David A. Winchell Tom Fowles ABSTRACT OF THE DISCLOSURE A container for storing and dispensing sterile liquids is provided with a hermetically sealed overcap. An outer ring fits over the overcap and the overcap and outer ring have interfitting threads. The outer ring defines a jacking member for moving the overcap axially upwardly on a bottle neck when the outer ring is rotated downwardly. Antibackoff means are provided for axially interlocking the outer ring and overcap, limiting upward rotational displacement of the outer ring with respect to the overcap.

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