A one-piece dispensing closure is disclosed. The one-piece dispensing closure includes a base, a lid having a first flap and means to irreversibly attach to the base, a first living hinge connecting the base to the lid, and a second living hinge connecting the first flap to the lid. The simplistic d
A one-piece dispensing closure is disclosed. The one-piece dispensing closure includes a base, a lid having a first flap and means to irreversibly attach to the base, a first living hinge connecting the base to the lid, and a second living hinge connecting the first flap to the lid. The simplistic design of the dispensing closure allows for easy production of dispensing closures of different shapes and sizes.
대표청구항▼
1. A one-piece dispensing closure, comprising: a base comprising an end wall and a skirt that depends from the end wall;a lid having a first surface free of any structure components, the lid comprising a first flap that opens and closes over a plurality of openings, wherein the lid further comprises
1. A one-piece dispensing closure, comprising: a base comprising an end wall and a skirt that depends from the end wall;a lid having a first surface free of any structure components, the lid comprising a first flap that opens and closes over a plurality of openings, wherein the lid further comprises positive snap locks formed in a chordal area of the lid, the positive snap locks extending from a second surface of the lid to engage with corresponding locking features on the base to irreversibly attach the lid to the base;a first living hinge connecting the base to the lid;a second living hinge connecting the first flap to the lid; anda snap-bead structure that releasably holds the first flap closed on the end wall, the snap bead structure comprising: an edge defined between a periphery of the end wall and an exterior wall of the skirt and located opposite the first living hinge, wherein the edge extends over the skirt and surrounds at least a portion of the end wall; anda complementary curvature formed within the first flap and at a border of the first flap, wherein the complementary curvature projects upward, away from the base,wherein a lower portion of the complementary curvature snap catches the edge when the first flap is in a closed position. 2. The one-piece dispensing closure of claim 1, wherein the attaching means comprises a positive snap lock on the lid and a matching hole on the base. 3. The one-piece dispensing closure of claim 1, wherein the end wall comprises at least one opening; and wherein the skirt extends downward from the periphery of the end wall. 4. The one-piece dispensing closure of claim 3, wherein the skirt comprises internal threads. 5. The one-piece dispensing closure of claim 3, wherein the end wall comprises a pouring opening and a plurality of shake openings, wherein the pouring opening is larger than the shake openings. 6. The one-piece dispensing closure of claim 1, wherein the base further comprises a thumbtab on the skirt to facilitate a release of the first flap from the closed position. 7. The one-piece dispensing closure of claim 1, wherein the lid further comprises a second flap connected to the lid by a third living hinge. 8. The one-piece dispensing closure of claim 7, wherein the first flap and the second flap are the same size and shape. 9. The one-piece dispensing closure of claim 7, wherein the first flap and the second flap are different in size. 10. The one-piece dispensing closure of claim 7, wherein the lid further comprises a third flap connected to the lid by a fourth living hinge. 11. The one-piece dispensing closure of claim 10, wherein the lid further comprises a fourth flap connected to the lid by a fifth living hinge. 12. A container assembly, comprising: a container comprising a dispensing opening; anda one-piece dispensing closure attached to the dispensing opening, the one-piece dispensing closure comprising: a base comprising an end wall and a skirt that depends from the end wall;a lid having a first surface free of any structure components, the lid comprising a first flap that opens and closes over a plurality of openings, wherein the lid further comprises positive snap locks formed in a chordal area of the lid, the positive snap locks extending from a second surface of the lid to engage with corresponding locking features on the base to irreversibly attach the lid to the base;a first living hinge connecting the base to the lid;a second living hinge connecting the first flap to the lid; anda snap-bead structure that releasably holds the first flap closed on the end wall, the snap bead structure comprising: an edge defined between a periphery of the end wall and an exterior wall of the skirt and located opposite the first living hinge, wherein the edge extends over the skirt and surrounds at least a portion of the end wall; andan indentation formed within the first flap and at a border of the first flap, wherein the indentation projects upward, away from the base and is complementary to the edge,wherein a lower section of the indentation snap catches the edge when the first flap is in a closed position. 13. The container assembly of claim 12, wherein the one-piece dispensing closure is reversibly attached to the container. 14. The container assembly of claim 12, wherein the lid further comprises a second flap connected to the lid by a third living hinge. 15. The container assembly of claim 12, wherein the end wall comprises at least one opening; and the skirt extends downward from the periphery of the end wall. 16. The container assembly of claim 12, further comprising a thumbtab on the skirt, the thumbtab is configured to facilitate release of the first flap.
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이 특허에 인용된 특허 (52)
Michael G. Knickerbocker, Anti clog terminal orifice for power dispenser.
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