Flip-top closure
AssigneeClosure Systems International Inc.
InventorsJeremiah Migas, Marina Lennartz, Jeremy Morin
Life of this patent
Estimating the term…
Abstract
A flip-top closure includes first and second polymeric closure portions. The first closure portion includes a top wall portion, a sealing mechanism and an annular skirt portion. The second closure portion includes a tamper-evident band. The closure portions are attached by a line of weakness. The closure portions are further attached via a hinge. The hinge includes a locking tab, a flexible tab and linking segments. The locking tab extends further outwardly from a center of the closure in a closed position than the flexible tab and the linking segments. During the opening of the flip-top closure, the locking tab moves and passes the flexible tab such that the flip-top closure locks in a fully open position.
Claims20
A flip-top closure comprising:
- a first closure portion including:
- a polymeric top wall portion,
- a sealing mechanism depending from the polymeric top wall portion, and
- a polymeric annular skirt portion;
- and
- a second closure portion including:
- a polymeric tamper-evident band,
- wherein the first closure portion and the second closure portion are attached by a line of weakness,
- wherein the first closure portion and the second closure portion are further attached via a hinge, the hinge assisting in moving the flip-top closure between an open position and a closed position, the hinge including a polymeric locking tab, a polymeric flexible tab and a plurality of polymeric linking segments, the polymeric locking tab extending further outwardly from a center of the flip-top closure in the closed position than the polymeric flexible tab and the plurality of polymeric linking segments, the polymeric flexible tab having a flat outer surface with a convex upper surface,
- wherein during opening of the flip-top closure, the polymeric locking tab is configured to move and pass the convex upper surface of the polymeric flexible tab such that the flip-top closure locks in a fully open position in which the polymeric locking tab is configured to contact a finish of a container.
Dependencies are inferred from the claim text.