Two-piece plastic closure
OwnerModesto Crosinventor
Life of this patent
Estimating the term…
Abstract
In this two-piece closure for sealing containers, abutment, retaining and locking means are provided on the one hand on a flange of the main or inner cap and on the other hand on the bottom and/or inner surface of the skirt of the outer cap, said means co-acting with each other for securing the main cap flange in said outer cap, without any play, relative movement and flange distortion.
Claims4
Two-component plastic tight closure comprising on the one hand a cup-shaped bottom (4) adapted to be driven into the neck of a container, which comprises an annular flange (6) surrounding its top edge, said flange (6) having formed on at least one portion of its lower annular surface a circular bead (26) and along its outer cylindrical edge locking means (25, 27) and on the other hand a cap (1) having a depending skirt (2) adapted to fit on said cup-shaped bottom (4) and formed along the periphery of its top portion (13) with means (28) for abutting said flange (6) of said cup-shaped bottom and projections adapted to engage said locking means (25, 27) of said cup-shaped bottom.
Dependencies are inferred from the claim text.