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US 6,681,947 B2Granted
Bottle cap having tear tab and sealing bead
AssigneePortola Packaging, Inc.
InventorsSungsuk S. Kim, Daniel Luch
Life of this patent
Estimating the term…
Abstract
A bottle cap including a top, a skirt, a locking bead, a tear tab, a line of weakness and a gusset. The top has a perimeter. The skirt depends from the perimeter and has a bottom edge. The locking bead radially extends from the skirt intermediate the top and the bottom edge. The tear tab extends downward from the bottom edge. The line of weakness extends along the skirt upward from the bottom edge and onto the top. The gusset extends from the locking bead into the skirt. The cap allows a user to remove the cap from a bottle in a facile manner.
Claims17
A bottle cap comprising:
- a top having a perimeter;
- a skirt depending downward from said perimeter, said skirt having a bottom edge;
- a locking bead radially extending inward from an interior of said skirt intermediate said top and said bottom edge;
- a tear tab extending downward from said bottom edge;
- a first line of weakness proximate said tear tab and extending upward along said skirt from said bottom edge across said locking bead and onto said top radially inward of said perimeter;
- and
- a second line of weakness proximate said tear tab, spaced from said first line of weakness, and extending upward along said skirt from said bottom edge across said locking bead and terminating at or below said perimeter, wherein said second line of weakness includes a terminus;
- a central longitudinal axis;
- and
- a portion of said first line of weakness extending alone said top between said central longitudinal axis and said terminus.
7 more elements
A bottle cap comprising:
- a top having a perimeter;
- a skirt depending downward from said perimeter, said skirt having a bottom edge;
- a tear tab extending downward from said bottom edge having a gripping rib positioned below said bottom edge;
- first and second lines of weakness proximate said tear tab and extending upward along said skirt from said bottom edge defining a tear tab portion between said lines of weakness;
- and
- gripping structure for facilitating gripping of said tear tab portion by a user as the tear tab portion is torn away from said skin, said gripping structure being horizontally oriented and located on said tear tab portion intermediate said bottom edge and said top.
3 more elements
Dependencies are inferred from the claim text.