Tamper evident plastic caps with lower separable or...

Details Tamper evident plastic caps with lower separable or... Tamper evident plastic caps with lower separable or...

B - Operations, Transporting

65

D

206/31, 18/52

B65D 55/02 (2006.01) B29C 57/12 (2006.01) B65D 41/04 (2006.01) B65D 41/34 (2006.01)

Patent

CA 1330779

ABSTRACT OF THE DISCLOSURE A cap for a container and a method of forming the cap. In the method the cap is molded and includes a plastic skirt provided with a line of weakness. An essentially concave surface of a curling tool engages the lower free end of the skirt and curves it into a curled resilient interfering free end which reduces the internal breadth of the plastic skirt prior to capping. Upon capping the curled free end is adapted to provide an interference with the container so that upon initial removal of the cap the line of weakness separates to indicate the condition of the container. The interfering curled free end of the plastic skirt can have a coil, O, U or J cross sectional shape.

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