Container and closure resealable bottle cap with push pull closure
AssigneePortola Packaging, Inc.
InventorRobert E. Crisci
Life of this patent
Estimating the term…
Abstract
A tamper evident resealable cap for use on a bottle, the cap having an upstanding pour spout registering with an opening in the center of the cap and a smaller diameter plug positioned thereabove on a plurality of upwardly angled legs on the pour spout. The cap having a flexible annular ring attached to the cap by a plurality of radially extending frangible elements with the plurality of circumferentially spaced radially inwardly extending angular projections arranged for registration with a neck portion on the bottle to prevent rotation in one direction without removal of the ring.
Claims6
An improvement in a resilient molded plastic resealable bottle cap for a bottle having a neck surrounding an opening, said neck having ratchet sections and a spiral thread extending outwardly of said neck;
- the improvement comprising in combination, a cap having a top portion, an annularly depending flange depending from said top portion, a spiral thread in said annular depending flange, a plurality of circumferentially spaced radially outwardly extending frangible elements on said depending flange, said frangible elements having outer ends spaced from said depending a thin flexible annular ring coupled to said outer ends of said frangible elements and positioned in spaced relation to said depending flange, said flexible annular ring having spaced first and second ends, said second end extending radially outwardly of and overlapping said first end, said second end being frangibly attached to said first end to define a tab for removal of said ring from said depending flange, a plurality of circumferentially spaced radially inwardly extending angular projections on said flexible annular ring registerable with said ratchet sections positioned on said neck portion, an internal pour spout on said top portion communicating with an opening in said top portion, said pour spout having a secondary top portion having an aperture formed therein, and means for positioning a plug in spaced relation to said secondary top portion and said aperture, a top cap movably positioned on said pouring spout, said top cap having an opening registering with said plug defining a closure when said top cap is in a first position, a ring having a plurality of frangible elements integrally connecting said ring with said top cap in said first position, a flange on said pour spout retaining said ring in said first position when said top cap is moved away from said first position to a second position locating said opening in said top cap in spaced relation to said plug.
A combination of a resilient molded plastic resealable bottle cap having a top portion, an annular depending flange depending from said top portion, a tamper evident thin flexible annular ring on a plurality of circumferentially spaced radially outwardly extending frangible elements on said depending flange, said flexible annular ring having spaced first and second ends, said second end extending radially outwardly of and overlapping said first end, said second end being frangibly attached to said first end to define a tab for removal of said ring from said depending flange, a plurality of circumferentially spaced radially inwardly extending angular projections on said flexible annular ring, said angular projections being spaced circumferentially from said frangible elements and a resealable pour spout on said top portion, said pour spout having a secondary top portion having an aperture registerable with said pour spout, a closure plug in spaced relation from said secondary top portion, a top cap movably positioned on said pour spout having an opening registering with said plug and defining a resealable closure when said top cap is in a first position, a tamper evident ring having a plurality of frangible elements integrally connecting said ring with said top cap in said first position, an annular flange on said pour spout retaining said ring in said first position when said top cap is moved away from said first position.
Dependencies are inferred from the claim text.