One-piece dispensing closure

摘要

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.

主权项

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; and a 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.