Patent ID: 6655553
Filing Date: 2003-12-02
Classification: B65D

Abstract:
An assembly of components for being retained together to define a closure structure for being subsequently installed on a container, having a neck that defines (a) a dispensing opening, (b) an external male thread formation formed on said container neck, and (c) a retaining element extending radially from said container neck and axially spaced from said container neck dispensing opening, the assembly comprising:a closure body having an end wall defining a dispensing orifice in fluid communication with said dispensing opening, and an annular sidewall depending from said end wall and having an internal female thread formation engageable to the external thread formation on the container neck to mount said closure body on said container; a closure lid on said closure body, said lid having an occluding portion that (a) is movable to cover said dispensing orifice in a closed position, and (b) is movable away from said closed position to uncover said dispensing orifice; and a tamper-evident sleeve that (a) surrounds and engages said closure body with sufficient force to hold said sleeve, closure body, and lid together as said assembly with said lid in said closed position for handling and to accommodate installation of said sleeve and closure body together with said lid as said assembly on said container neck so that relative rotation between said closure body and sleeve is minimized at least during installation of said closure body, lid, and sleeve together on said container neck, and (b) has a snap-on engagement member underlying said retaining element of said container neck after installation of said assembly on said container to (i) prevent axial upward displacement of said sleeve with respect to said container neck, and (ii) accommodate rotation of said sleeve, closure body, and lid together in the screwing on direction without fracturing said sleeve, (c) has a retention member overlying at least part of said closure lid to prevent movement of said occluding portion to uncover said dispensing orifice, and (d) has a frangible feature arranged to be torn to facilitate removal of said retention member from over said lid to permit said occluding portion to be moved to uncover said dispensing orifice.