Patent ID: 6889857

Claim:
A closure in combination with a fitment for a container comprising: said fitment having a fitment neck; said closure having a top wall with an outer side wall extending downwardly therefrom and an inner sealing ring spaced inwardly from said side wall, the outer side wall having circumferentially spaced vertically extending ribs along an upper inner surface adjacent said top wall, the inner sealing ring having a lower terminating edge engagable with a lip of a fitment neck inner surface, the spacing between an upper portion of said ribs and an upper portion of an outer surface of said sealing ring being less than the thickness of said fitment neck, said vertically extending ribs contacting said fitment neck at the spaced locations of said circumferentially spaced ribs embedding into said fitment neck and preventing said closure from inadvertently unthreading from said fitment.