Tearable bottle cap

Claim 1

In the neck of a water bottle having a mouth portion, an upper and a lower bead and a neck portion of reduced diameter joining said upper and lower beads and a lip portion, a tearable plastic cap comprising a disk portion extending across the mouth of said neck portion having an inwardly extending peripheral finger portion engaging said lip portion, an external bead portion engaging said upper bead and a skirt portion extending downwardly from said external bead portion, across said neck portion of reduced diameter and engaging said lower bead, said external bead portion having a plurality of peripheral ridge portions on the inner surface thereof in water-tight relation with said upper bead, said peripheral ridge portions being of decreasing cross sectional areas engaging said upper bead from the upper to the lower portions thereof, a pair of spaced apart reinforcement members extending downwardly on the outer surface of said skirt portion from said external bead portion, a tab portion extending downwardly from said skirt portion, and a plurality of score lines formed along the inner surface of said skirt portion for the removal of said tab portion and said skirt portion, one of said score lines commencing at the lower portion of said skirt portion between said tab portion and one of said reinforcement members, extending upwardly to a position below said external bead, peripherally about said skirt and terminating at the upper portion of the other of said reinforcement members and a second score line extending alongside said other of said reinforcement members and terminatin proximity of the terminal end of said one of said score lines whereby upon grasping said tab portion and tearing said skirt along said score lines said tab and a portion of said skirt become separated from said cap and said cap becoming removable from said water bottle and that portion of said skirt portion between said reinforcement members becoming a second tab to permit reuse of said cap.